Door hook, door lock system, door body assembly, and laundry treating apparatus

Abstract

The application discloses a door hook, a door lock system, a door body assembly and a clothes treatment device. The door hook is used for being inserted with a lock tongue to be locked. The door hook comprises a body, a fixed end and a free end in a first direction, the body can be moved towards the lock tongue in the first direction, the free end is used for abutting against the lock tongue to push the lock tongue to rotate, the body comprises an insertion hole penetrating in a second direction, the insertion hole comprises opposite side walls in the first direction, the side wall close to the free end is a first side wall, a structure of the body between the first side wall and the free end is a locking part, and the locking part is located in the insertion slot in the case that the door hook is locked with the lock tongue. At least part of the wall surface of the first side wall is an arc surface, and the arc surface is used for abutting against the slot wall of the insertion slot. Due to the arrangement of the arc surface, the contact resistance between the door hook and the lock tongue is reduced, the insertion and cooperation between the door hook and the door lock are more smooth, the use experience is improved, and the locking of the door hook is more easily realized.

Description

Technical Field

[0001] This application relates to the field of door hook manufacturing for garment handling devices, and more particularly to a door hook, door lock system, door assembly, and garment handling device. Background Technology

[0002] The garment handling device has a door that can be opened and closed, which users need to frequently open and close during use. The garment handling device can only be used normally after the door is closed and locked.

[0003] A clothing handling device with a door that can be locked more easily will provide users with a better user experience, thereby enhancing the product's competitiveness. Utility Model Content

[0004] To address the aforementioned technical problems, this application provides a door hook, a door lock system, a door assembly, and a clothing handling device, which enable easier locking.

[0005] This application is achieved through the following technical solution.

[0006] A first aspect of this application provides a door hook for engaging with a latch to lock, the latch including a slot; the door hook includes a body, comprising a fixed end and a free end along a first direction, the body being movable toward the latch along the first direction, the free end being used to abut against the latch to push the latch to rotate, the body including a through-hole along a second direction, the through-hole including sidewalls opposite each other along the first direction, the sidewall near the free end being the first sidewall, the structure of the body between the first sidewall and the free end constituting a locking portion, wherein when the door hook is locked with the latch, the locking portion is located within the slot; wherein at least a portion of the first sidewall is an arc surface, the arc surface being used to abut against the slot wall of the slot, the first direction intersecting the second direction.

[0007] At least a portion of the first sidewall includes a curved surface, which abuts against the groove wall of the latch's insertion slot during locking. Due to the curved surface, the contact resistance between the door hook and the latch is reduced during locking, resulting in a smoother engagement between the door hook and the door lock, improving the user experience and making it easier to lock the door hook.

[0008] In some embodiments of this application, there are multiple arc surfaces connected sequentially; the arc surfaces may have the same curvature or different curvatures.

[0009] In some embodiments of this application, the first sidewall includes a first segment and a second segment located at both ends of the first sidewall along the second direction. When the body moves toward the latch along the first direction, the second segment abuts against the groove wall of the insertion groove first, compared to the first segment. The first segment includes the arc surface, and / or the second segment includes the arc surface.

[0010] The second section includes a curved surface, which reduces the resistance between the two when they come into contact with the latch, resulting in a smoother connection and improving the user experience while making it easier to lock the door hook.

[0011] The first section includes a curved surface, which reduces the resistance between the two when they come into contact with the latch, resulting in a smoother connection and improving the user experience while making it easier to lock the door hook.

[0012] In addition, if the first sidewall is partially curved, the beginning and end of locking and unlocking are relatively smooth, and the friction in the middle process is relatively large, which can improve the stability of the relative movement between the door hook and the latch and enhance the feel.

[0013] In some embodiments of this application, the radius of the arc surface is in the range of 1.2 mm to 1.6 mm.

[0014] In some embodiments of this application, when the door hook is locked to the latch, the distance between the position of the first sidewall abutting the groove wall of the insertion groove and the free end along the first direction is a first distance, and the diameter of the insertion groove along the first direction at the position of the insertion groove abutting the first sidewall is a second distance, and the difference between the second distance and the first distance is in the range of 0.05mm to 0.25mm.

[0015] By controlling the difference between the second distance and the first distance within this range, the movement space of the locking part in the insertion slot can be reduced after locking, thereby reducing the vibration and noise of the door assembly caused by the shaking of the door hook.

[0016] In some embodiments of this application, the maximum length of the locking portion along the first direction is in the range of 5.6 mm to 6.0 mm.

[0017] In some embodiments of this application, a fixing part extends along the second direction and is used to connect with the door body; the fixing part is connected to the fixing end of the body.

[0018] A second aspect of this application provides a door lock system, comprising: a door lock including a first insert and a second insert that rotate coaxially, with a slot formed between the first insert and the second insert; and a door hook as described in any one aspect, wherein the free end is used to abut against the first insert to push the bolt to rotate, and the arcuate surface is used to abut against the second insert.

[0019] A third aspect of this application provides a door assembly comprising: a door body; and a door hook as described in any one of the first aspects, the door hook being connected to the door body.

[0020] The fourth aspect of this application provides a garment handling apparatus, comprising: a frame including the latch, the latch being rotatably connected to the frame; and a door hook as described in any one of the first aspects, or a door lock system as described in the second aspect, or a door assembly as described in the third aspect.

[0021] When a door hook, as described in the first aspect, is applied to a garment handling device, it can reduce the risk of the door not closing properly and improve the user's experience when opening and closing the door.

[0022] In some embodiments of this application, the garment processing device includes: a roller disposed on the frame for holding garments, and a door assembly disposed opposite to the opening of the roller; and / or a drain outlet for discharging impurities from the garment processing device, and the door assembly disposed opposite to the opening of the drain outlet. Attached Figure Description

[0023] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiments below. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0024] Figure 1 This is a schematic diagram of the structure of the door hook and latch provided in some embodiments of this application;

[0025] Figure 2 Cross-sectional structural schematic diagram of a door hook provided for some embodiments of this application;

[0026] Figure 3 A top view of the door hook and latch in the locked state, provided for some embodiments of this application;

[0027] Figure 4 For along Figure 3 The cross-sectional view intercepted by line AA;

[0028] Figure 5 A top view of the door hook and latch provided for some embodiments of this application;

[0029] Figure 6 For along Figure 5 The cross-sectional view intercepted by line BB;

[0030] Figure 7 This is a schematic diagram of the structure of a clothing processing device provided in some embodiments of this application.

[0031] Explanation of reference numerals in the attached figures

[0032] 1. Door hook; 10. Body; 100. Locking part; 101. Free end; 110. First side wall; 120. Second side wall; 102. Fixed end; 11. Insertion hole; 111. First section; 112. Second section; 2. Lock tongue; 20. Fixed part; 200. Fixed hole; 21. First insert; 22. Second insert; 23. Insertion groove; 24. Rotating shaft; 3. Clothing handling device; 300. Frame; 31. Front door body; 32. Drainage outlet door body; R, radius of the arc surface; X, first direction; Y, second direction; L2, second distance; L1, first distance. Detailed Implementation

[0033] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0034] The garment handling device has a door that can be opened and closed, which users need to frequently open and close during use. The garment handling device can only be used normally after the door is closed and locked.

[0035] A clothing handling device with a door that can be locked more easily will provide users with a better user experience, thereby enhancing the product's competitiveness.

[0036] To solve the above-mentioned technical problems, this application provides a door hook, a door assembly, and a clothing handling device. The door hook of this application can be locked more easily.

[0037] The door hook provided in this application is used to engage with a latch for locking. The latch includes an engagement groove. The door hook includes a body, which includes a fixed end and a free end along a first direction. The body is movable toward the latch along the first direction. The free end is used to abut against a first insert to push the latch to rotate. The body includes an engagement hole that extends through along a second direction. The engagement hole includes sidewalls opposite each other along the first direction. The sidewall near the free end is a first sidewall. The structure of the body located between the first sidewall and the free end constitutes a locking part. When the door hook is locked with the latch, the locking part is located in the engagement groove. At least a portion of the wall surface of the first sidewall is an arc surface, which abuts against the groove wall of the engagement groove. The first direction intersects with the second direction.

[0038] At least a portion of the first sidewall avoids including a curved surface, which abuts against the second insert of the latch during locking. Due to the curved surface, the contact resistance between the door hook and the latch is reduced during locking, resulting in a smoother engagement between the door hook and the door lock, improving the user experience and making it easier to lock the door hook.

[0039] Figure 1 This is a schematic diagram of the structure of the door hook and latch provided in some embodiments of this application; Figure 2 Cross-sectional structural schematic diagram of a door hook provided for some embodiments of this application; Figure 3 A top view of the door hook and latch in the locked state, provided for some embodiments of this application; Figure 4 For along Figure 3 The cross-sectional view intercepted by line AA; Figure 5 A top view of the door hook and latch provided for some embodiments of this application;

[0040] Figure 6 For along Figure 5 The cross-sectional view intercepted by line BB; Figure 7 This is a schematic diagram of the structure of a clothing processing device provided in some embodiments of this application.

[0041] like Figures 1 to 6 As shown, the door hook 1 provided in this application may include a body 10 and a fixing part 20. The body 10 has a fixed end 102 and a free end 101, and the fixed end 102 can be connected to the fixing part 20. In some embodiments, the body 10 and the fixing part 20 may be integrated, but this application is not limited thereto. The fixing part 20 may include a fixing hole 200. When the door hook 1 is installed in the clothing handling device 3, the door hook 1 can be fixed to the door of the clothing handling device by passing screws or other fasteners through the fixing hole 200.

[0042] The main body 10 can extend along the first direction X, and the fixing part 20 can extend along the second direction Y, where the first direction X and the second direction Y intersect. For example, the first direction X can be perpendicular to the second direction Y, but this application is not limited to this. The first direction X can intersect the second direction Y at any angle, that is, as long as the first direction X and the second direction Y are not parallel to each other.

[0043] The door hook 1 can be inserted into the latch 2 for locking, and the latch 2 can include an insertion groove 23. During the insertion process, the door hook 1 abuts against the latch 2 before it rotates. For example, the door hook 1 can abut against the outer wall of the latch 2 to rotate it. Compared to the outer wall of the latch 2, the groove wall of the insertion groove 23 can be considered as the inner wall.

[0044] In some embodiments, the latch 2 may include a first insert 21 and a second insert 22 that rotate coaxially. For example, the latch 2 may include a rotating shaft 24, around which the latch 2 can rotate. The first insert 21 and the second insert 22 can rotate around the rotating shaft 24. A insertion groove 23 is formed between the first insert 21 and the second insert 22. When the door hook 1 is locked to the latch 2, the locking part 100 is located within the insertion groove 23.

[0045] The fixed end 102 and the free end 101 of the body 10 can be opposite each other along the first direction X. When the door hook 1 is locked with the latch 2, a force can be applied to the door hook 1 to move the body 10 toward the latch 2 along the first direction X until the free end 101 abuts against the first insert 21 (e.g., Figure 5 and Figure 6 (As shown). Since the free end 101 abuts against the first plug 21, the force applied to the door hook 1 continues, allowing the body 10 to push the first plug 21 to rotate around the rotation axis 24, thereby causing the latch 2 to rotate.

[0046] The body 10 may include a insertion hole 11 extending through the body 10 along a second direction Y. The insertion hole 11 includes two sidewalls opposite each other along a first direction X, for example, a first sidewall 110 and a second sidewall 120. The first sidewall 110 is closer to the free end 101 than the second sidewall 120.

[0047] The body 10 also includes a locking part 100, which is configured as a locking part 100 in the structure of the body 10 located between the first side wall 110 and the free end 101. When the free end 101 abuts against the first insert 21 and the door hook 1 continues to move along the first direction X, the first insert 21 and the second insert 22 can rotate about the rotation axis 24. Subsequently, the second insert 22 can enter the insertion hole 11 and abut against the first side wall 110.

[0048] In this application, the position where the second plug-in 22 abuts against the first sidewall 110 is an arc surface. In some embodiments, there are multiple arc surfaces. Specifically, during the locking process, the abutment between the first sidewall 110 and the second plug-in 22 lasts for a certain period of time, thereby the wall surface of the first sidewall 110 that abuts against the second plug-in 22 has a certain area. The wall surface within this area can have multiple arc surfaces connected in sequence, and the curvature of these multiple arc surfaces can be set according to the shape of the second plug-in 22.

[0049] For example, in some embodiments, the curvature of the multiple curved surfaces may be the same. In some embodiments, the curvature of the multiple curved surfaces may be different. The curvature of each of the multiple curved surfaces may be different to adapt to the shape of the second plug-in 22. Some of the multiple curved surfaces may have the same curvature, while some of the multiple curved surfaces may have different curvatures, as long as they adapt to the shape of the second plug-in 22.

[0050] In some embodiments of this application, such as Figure 2 As shown, the first sidewall 110 may include a first segment 111 and a second segment 112 located at both ends of the first sidewall 110 along the second direction Y. When the body 10 moves toward the latch 2 along the first direction X, the second segment 112 abuts against the second plug 22 first, compared to the first segment 111.

[0051] In some embodiments of this application, the first segment 111 may include a curved surface. In some embodiments, the first segment 111 may be entirely curved or only partially curved.

[0052] The first segment 111 includes an arc surface. When the first segment 111 abuts against the latch 2, it reduces the resistance between the two, making the insertion and engagement between the two smoother and improving the user experience while making it easier to lock the door hook 1.

[0053] In some embodiments of this application, the second segment 112 may include a curved surface. In some embodiments, the second segment 112 may be entirely curved or only partially curved.

[0054] The second segment 112 includes an arc surface. When the second segment 112 abuts against the latch 2, it reduces the resistance between the two, making the insertion and engagement between the two smoother and improving the user experience while making it easier to lock the door hook 1.

[0055] Furthermore, if a portion of the first sidewall is an arc surface (i.e., the first segment 111 and the second segment 112 are arc surfaces, and the surface between the first segment 111 and the second segment 112 is a plane), the beginning and end of locking and unlocking are relatively smooth, and the friction in the middle process is relatively large, which can improve the stability of the relative movement between the door hook 1 and the latch 2 and enhance the feel.

[0056] In some embodiments of this application, such as Figure 2 As shown, the radius R of the arc surface is in the range of 1.2 mm to 1.6 mm. For example, in some embodiments, the radius R of the arc surface can be 1.25 mm, 1.3 mm, 1.35 mm, 1.4 mm, 1.45 mm, 1.5 mm or 1.55 mm.

[0057] The radius of the arc surface is within a suitable range, which makes the locking process of the door hook 1 and the lock tongue 2 smoother.

[0058] In some embodiments of this application, such as Figure 4 As shown, when the door hook 1 and the latch 2 are locked, the distance between the position of the first side wall 110 that abuts against the second plug 22 and the free end 101 along the first direction X is the first distance L1.

[0059] At the position where the insertion slot 23 abuts against the first sidewall 110, the diameter of the insertion slot 23 along the first direction X is the second distance L2. That is, the distance between the position where the second plug 22 abuts against the first sidewall 110 and the first plug 21 along the first direction X is the second distance L2, and the difference between the second distance L2 and the first distance L1 is in the range of 0.05mm to 0.25mm.

[0060] In some embodiments, the difference between the second distance L2 and the first distance L1 can be 0.1mm, 0.15mm or 0.2mm.

[0061] In other words, when the door hook 1 is locked with the latch 2 and the first sidewall 110 abuts against the second plug 22, the distance between the free end 101 and the first plug 21 along the first direction X is in the range of 0.05mm to 0.25mm.

[0062] By controlling the difference between the second distance L2 and the first distance L1 within this range, the movement space of the locking part 100 in the insertion slot 23 can be reduced after locking, thereby reducing the vibration and noise of the door assembly caused by the shaking of the door hook 1.

[0063] In this application, this range can be achieved by reducing the second distance L2 or by increasing the first distance L1.

[0064] For example, in some embodiments of this application, the maximum length of the locking portion 100 along the first direction X is in the range of 5.6 mm to 6.0 mm. When the door hook 1 is locked with the latch 2 and the first sidewall 110 abuts against the second insert 22, the maximum length of the locking portion 100 along the first direction X is the first distance L1, and the length of the first distance L1 can be 5.65 mm, 5.7 mm, 5.75 mm, 5.8 mm, 5.85 mm, 5.9 mm, or 5.95 mm.

[0065] Based on the same or similar concept, this application can also provide a door lock system, including a latch 2 and a door hook 1. The door hook 1 can refer to the embodiments described above, and will not be repeated here. The latch 2 may include a first insert 21 and a second insert 22 that rotate coaxially. For example, the latch 2 may include a rotating shaft 24, and the latch 2 can rotate around the rotating shaft 24. The first insert 21 and the second insert 22 can rotate around the rotating shaft 24. A insertion groove 23 is formed between the first insert 21 and the second insert 22. When the door hook 1 is locked to the latch 2, the locking part 100 is located in the insertion groove 23.

[0066] Based on the same or similar concept, this application may also provide a door assembly, including: a door body; and a door hook 1 as described in any of the foregoing embodiments, the door hook 1 being connected to the door body. For example, a fixing part 20 may be connected to the door body.

[0067] like Figure 7 As shown, the door can be one type of door for the garment handling device 3. The garment handling device 3 can be one of a washing machine, a dryer, or a washer-dryer combo. The garment handling device 3 can include a front door 31 and a drain door 32. The front door 31 can be positioned opposite to the drum, and when closed, it can cover the opening of the drum. The drain door 32 can be positioned opposite to the drain outlet, and when closed, it can cover the opening of the drain hole. Impurities and wastewater inside the garment handling device 3 can be discharged through the drain hole.

[0068] In this application, the door body of the door assembly can be the front door body 31. In this application, the door body of the door assembly can be the drain outlet door body 32. However, this application is not limited to this. In some embodiments, both the front door body 31 and the drain outlet door body 32 of the clothing handling device 3 can be connected to the door hook 1 in the aforementioned embodiments.

[0069] like Figure 7As shown, based on the same or similar concept, this application can also provide a clothing handling device 3, including: a frame 300, the frame 300 may arbitrarily include a latch 2, the structure of which can refer to the foregoing embodiments and will not be repeated here. The latch 2 is rotatably connected to the frame 300. The clothing handling device 3 may also include the door hook 1 in the foregoing embodiments. In some embodiments, the clothing handling device 3 may also include the door assembly in the foregoing embodiments.

[0070] When the door hook 1 as described in the previous embodiment is applied to the clothing handling device, it can reduce the risk of the door not closing and improve the user's operating experience when opening and closing the door.

[0071] In some embodiments of this application, the clothing handling device 3 may include: a roller disposed in the frame 300, the roller being used to hold clothing, and a door assembly disposed opposite to the opening of the roller.

[0072] In some embodiments of this application, the clothing processing device 3 may include: a drain outlet for discharging impurities from the clothing processing device, and a door assembly disposed opposite to the opening of the drain outlet.

[0073] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0074] In the description of the embodiments of this application, technical terms such as "first," "second," and "third" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0075] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0076] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects are in an "or" relationship.

[0077] In the description of the embodiments of this application, the technical terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential", 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 the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed, operated or used in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0078] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application according to the specific circumstances.

[0079] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical term "contact" should be interpreted broadly, and can be direct contact, contact through an intermediate medium layer, contact between two contacting parties with substantially no interaction force, or contact between two contacting parties with interaction force.

[0080] The above embodiments are merely illustrative of the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A door hook, characterized in that, For engaging with a latch for locking, the latch includes a slot; The door hook includes a body, which has a fixed end and a free end along a first direction. The body is movable toward the latch along the first direction, and the free end is used to abut against the latch to push the latch to rotate. The body includes a through-hole arranged along a second direction, the through-hole includes sidewalls opposite each other along the first direction, the sidewall near the free end is a first sidewall, and the structure of the body between the first sidewall and the free end is a locking part. When the door hook is locked with the lock tongue, the locking part is located in the through-hole. Wherein, at least a portion of the first sidewall is an arc surface, which is used to abut against the wall of the insertion slot, and the first direction intersects with the second direction.

2. The door hook according to claim 1, characterized in that, There are multiple arc surfaces, and the multiple arc surfaces are connected in sequence; The multiple curved surfaces may have the same curvature, or the multiple curved surfaces may have different curvatures.

3. The door hook according to claim 1, characterized in that, The first sidewall includes a first segment and a second segment located at both ends of the first sidewall along the second direction. When the body moves toward the latch along the first direction, the second segment abuts against the groove wall of the insertion slot first, compared to the first segment. Wherein, the first segment includes the arc surface, and / or, the second segment includes the arc surface.

4. The door hook according to any one of claims 1 to 3, characterized in that, The radius of the arc surface is in the range of 1.2 mm to 1.6 mm.

5. The door hook according to any one of claims 1 to 4, characterized in that, When the door hook is locked with the latch, the distance between the position of the first sidewall abutting the groove wall of the insertion groove and the free end along the first direction is the first distance, and the diameter of the insertion groove along the first direction at the position of the insertion groove abutting the first sidewall is the second distance, and the difference between the second distance and the first distance is in the range of 0.05mm to 0.25mm.

6. The door hook according to any one of claims 1 to 5, characterized in that, The maximum length of the locking portion along the first direction is in the range of 5.6 mm to 6.0 mm.

7. The door hook according to claim 1, characterized in that, The door hook also includes: A fixing part extends along the second direction and is used to connect with the door body. The fixing part is connected to the fixing end of the body.

8. A door lock system, characterized in that, include: The door lock includes a first insert and a second insert that rotate coaxially, and a slot is formed between the first insert and the second insert. Door hook as described in any one of claims 1 to 7, The free end is used to abut against the first plug to push the locking tongue to rotate, and the arc surface is used to abut against the second plug.

9. A door assembly, characterized in that, include: Door body; and The door hook as described in any one of claims 1 to 7, wherein the door hook is connected to the door body.

10. A garment processing device, characterized in that, include: A frame, the frame including the locking tongue, the locking tongue being rotatably connected to the frame; as well as The door hook as described in any one of claims 1 to 7, or the door lock system as described in claim 8, or the door assembly as described in claim 9.

11. The garment processing apparatus according to claim 10, characterized in that, The garment processing device includes: A roller, disposed within the frame, is used to hold clothing; the door assembly is disposed opposite to the opening of the roller; and / or A drain outlet is provided for discharging impurities from the garment processing device, and the door assembly is positioned opposite the opening of the drain outlet.

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