Vibration damping device and laundry treatment apparatus

Abstract

The present application belongs to the technical field of laundry treatment, and specifically relates to a vibration damping device and a laundry treatment apparatus. The vibration damping device comprises a first movable member, a second movable member, and a damping assembly, wherein the first movable member is rotatably connected to the second movable member; the damping assembly is arranged at the rotational joint between the first movable member and the second movable member; the damping assembly comprises a bushing and a damping member, the bushing being located between the damping member and the first movable member; the first movable member and the second movable member rotate relative to each other within a first angle; the first angle comprises a first damping angle and a second damping angle; and a damping force generated by the damping assembly in the first damping angle is less than that generated by the damping assembly in the second damping angle. The present application can reduce the possibility of vibrations of a tub assembly being transmitted to a cabinet during high-speed operation, thereby lowering the overall noise of the machine.

Description

Vibration damping devices and garment processing equipment

[0001] Cross-reference to related applications

[0002] This application claims priority to Chinese Patent Application No. 202411586635.4 and Chinese Patent Application No. 202422716003.7, both filed on November 7, 2024, entitled “Vibration Damping Device and Clothing Processing Equipment”, the entire contents of which are incorporated herein by reference. Technical Field

[0003] This application relates to the field of clothing processing technology, and more specifically, to a vibration damping device and clothing processing equipment. Background Technology

[0004] Common clothing handling equipment, such as top-loading washing machines, typically includes a cabinet and a drum assembly housed within it. The drum assembly comprises an outer drum and an inner drum rotatably positioned within the outer drum. The outer drum is suspended inside the cabinet by a vibration damping device consisting of several suspension rods. During washing and spin-drying, the inner drum rotates relative to the outer drum, causing the clothes and wash water to interact, achieving the purpose of cleaning or dehydration. The suspension rods buffer vertical vibrations. However, due to uneven load distribution, the drum assembly can swing significantly under eccentric forces, especially during the low-speed spin-drying stage, where the displacement is greatest, making it prone to impacting the cabinet.

[0005] To address this, related technologies incorporate vibration damping devices between the boom and the outer cylinder. These devices absorb and release some of the vibration energy, reducing the maximum vibration displacement of the cylinder assembly at low speeds and preventing the assembly from colliding with the housing. However, when the cylinder assembly operates at high speeds, the damping devices transmit the vibration of the cylinder assembly to the housing, leading to increased vibration in the housing and higher overall noise levels. Summary of the Invention

[0006] The purpose of this application is to provide a vibration damping device and garment processing equipment, which can reduce the possibility of vibration of the drum assembly being transmitted to the housing during high-speed operation, thereby reducing the overall machine noise. This purpose is achieved through the following means:

[0007] The first aspect of this application provides a vibration damping device applied to a garment processing equipment. The garment processing equipment includes a housing and a cylinder assembly disposed within the housing. The vibration damping device includes a first moving member, a second moving member, and a damping assembly. The first moving member and the second moving member are rotatably connected. The damping assembly is disposed at the rotatable connection between the first moving member and the second moving member. The damping assembly includes a liner and a damping element. The liner is located between the damping element and the first moving member, or between the damping element and the second moving member. The first moving member and the second moving member rotate relative to each other within a first angle. The first angle includes a first damping angle and a second damping angle. The damping force generated by the damping assembly in the first damping angle is less than the damping force generated by it in the second damping angle.

[0008] The vibration damping device according to an embodiment of this application includes a first moving member, a second moving member, and a damping component connected between the housing and the cylinder assembly. The first and second moving members are rotatably connected, and the damping component is disposed at the rotatable connection between the first and second moving members. The damping component includes a liner and a damping element, with the liner located between the damping element and the first moving member. The first and second moving members rotate relative to each other within a first angle, which includes a first damping angle and a second damping angle. The damping force generated by the damping component in the first damping angle is less than the damping force generated in the second damping angle. Therefore, when the cylinder assembly operates at high speed, the vibration amplitude of the cylinder assembly is generally not large, resulting in a small relative rotation angle between the damping component and the first moving member, and a relatively small damping force. This prevents the cylinder assembly from transmitting vibration to the housing, reducing the possibility of transmitting the vibration of the cylinder assembly to the housing during high-speed operation, thereby reducing the overall noise of the machine.

[0009] In addition, the vibration damping device according to this application may also have the following additional technical features:

[0010] According to some embodiments of this application, within a first damping angle, the liner rotates relative to the first moving member, the damping member remains stationary relative to both the liner and the second moving member, and the damping force generated by the damping assembly within the first damping angle is essentially zero.

[0011] According to some embodiments of this application, within a second damping angle, the liner is stationary relative to the first moving member, and the damping member rotates relative to the second moving member and / or the liner to generate a damping force.

[0012] According to some embodiments of this application, the first moving member includes a first main body portion having a receiving cavity, and a damping component is disposed within the receiving cavity. The second moving member includes a second main body portion having a protrusion pivotally connected to the damping component.

[0013] According to some embodiments of this application, the damping member is a ring-shaped structure, and the liner is sleeved on the outer periphery of the damping member and the liner is located between the damping member and the receiving cavity. In the first damping angle, when the liner rotates relative to the receiving cavity, the damping member is stationary relative to the protrusion. In the second damping angle, the protrusion moves relative to the damping member to generate a damping force.

[0014] According to some embodiments of this application, either the inner wall of the accommodating cavity or the outer wall of the liner is provided with a limiting groove, and the other of the inner wall of the accommodating cavity and the outer wall of the liner is provided with a limiting protrusion that is accommodated in the limiting groove, and the limiting protrusion is capable of rotating a second angle within the limiting groove.

[0015] According to some embodiments of this application, within a first damping angle, the limiting protrusion rotates within the limiting groove and forms a gap with the two sidewalls of the limiting groove along the circumferential direction.

[0016] According to some embodiments of this application, within the second damping angle, the sidewall of the limiting protrusion abuts against any sidewall of the limiting groove in the circumferential direction, so that the protrusion can continue to rotate relative to the damping member to generate a damping force.

[0017] According to some embodiments of this application, the inner wall of the accommodating cavity is provided with a limiting groove, and the outer wall of the liner is provided with a limiting protrusion that cooperates with the limiting groove. The second angle at which the limiting protrusion can rotate within the limiting groove is 20° to 30°.

[0018] According to some embodiments of this application, there are multiple limiting grooves and multiple limiting protrusions. The multiple limiting grooves are spaced apart along the circumferential direction of the receiving cavity, and the multiple limiting protrusions are arranged in one-to-one correspondence with the multiple limiting grooves.

[0019] According to some embodiments of this application, the damping member is provided with a notch along the circumferential direction, and the inner wall of the liner is provided with a stop rib, which is snapped into the notch.

[0020] According to some embodiments of this application, the vibration damping device further includes a hanger rod disposed on the housing and / or cylinder assembly. The first moving member further includes a first connecting portion connected to the first main body portion, and the second moving member further includes a second connecting portion connected to the second main body portion. Either the first connecting portion or the second connecting portion has a through hole, and the hanger rod is used to pass through the through hole to connect the vibration damping device to the housing and / or cylinder assembly.

[0021] According to some embodiments of this application, the first connecting part has a through hole and a guide channel communicating with the through hole, and the first connecting part is sleeved on the outer periphery of the rod through the through hole.

[0022] According to some embodiments of this application, the first connecting part includes an inner peripheral structure and an outer peripheral structure. The inner peripheral structure forms a through hole, and the outer peripheral structure is spaced apart on the outer peripheral side of the inner peripheral structure. A through groove is formed between the inner peripheral structure and the outer peripheral structure, and a reinforcing rib connects the inner peripheral structure and the outer peripheral structure.

[0023] According to some embodiments of this application, the through hole is provided with an opening in the circumferential direction, and the guide channel extends from the opening in a direction away from the through hole. The guide channel includes a straight segment and a bent segment arranged in sequence. The straight segment is formed by extending from the opening in a direction away from the through hole. A protrusion is formed on one side of the end of the straight segment, and a bent portion is formed on the other side of the end of the straight segment, which bends around the protrusion. A bent segment is formed between the bent portion and the protrusion.

[0024] A second aspect of this application provides a garment processing device, comprising: a housing; a tube assembly disposed within the housing; and a vibration damping device according to various embodiments of this application, wherein the vibration damping device is connected between the housing and the tube assembly.

[0025] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0026] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. 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:

[0027] Figure 1 is a top view of a garment processing device according to an embodiment of this application;

[0028] Figure 2 is a cross-sectional view of the clothing processing equipment shown in Figure 1 along direction AA;

[0029] Figure 3 is a structural schematic diagram of a vibration damping device according to an embodiment of this application;

[0030] Figure 4 is a schematic diagram of the damping component in the vibration reduction device shown in Figure 3;

[0031] Figure 5 is a simplified structural diagram of a vibration damping device according to an embodiment of this application;

[0032] Figure 6 is a simplified structural diagram of a vibration damping device according to another embodiment of this application;

[0033] Figure 7 is a structural schematic diagram of a vibration damping device according to an embodiment of this application;

[0034] Figure 8 is an exploded structural diagram of the vibration damping device shown in Figure 7;

[0035] Figure 9 is a schematic diagram of the first moving part in the vibration damping device shown in Figure 7;

[0036] Figure 10 is a cross-sectional view of Figure 9 along direction BB;

[0037] Figure 11 is a schematic diagram of the damping component in Figure 9 located in the unloaded section;

[0038] Figure 12 is a schematic diagram of the damping component in Figure 9 located within the second damping angle.

[0039] The reference numerals in the attached drawings represent the following: 1000, Clothing processing equipment; 200, Box body; 201, Corner plate; 202, Fixing component; 300, Tube assembly; 301, Mounting base; 100, Vibration damping device; 4, Hanging rod; 5, Vibration damping sleeve; 51, Spring assembly; 52, Spring seat; 1, First moving component; 11, First main body; 110, Receiving cavity; 111, Limiting groove; 12, First connecting part; 121, Inner peripheral structure; 122, Outer peripheral structure; 123, Through groove; 124, Reinforcing rib; 2, Second moving component; 21, Second main body; 211, Protruding post; 22, Second connecting part; 221, Sleeve; 222, Pin sleeve; 10, Through hole; 10a, Guide channel; 10b, Opening; 10c, Protrusion; 10d, Bending part; 101. Straight segment; 102. Bending segment; 3. Damping component; 31. Liner; 311. Limiting protrusion; 312. Stop rib; 32. Damping component; 321. Notch; S. Spacing. Detailed Implementation

[0040] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0041] It should be understood that the terminology used herein is for the purpose of describing particular exemplary embodiments only and is not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms “a,” “an,” and “described” as used herein may also include the plural forms. The terms “comprising,” “including,” “containing,” and “having” are inclusive and therefore indicate the presence of the stated features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The method steps, processes, and operations described herein are not construed as requiring them to be performed in a particular order described or illustrated unless the order of performance is explicitly indicated. It should also be understood that additional or alternative steps may be used.

[0042] Although terms such as first, second, third, etc., may be used in this document to describe multiple elements, components, regions, layers, and / or segments, these elements, components, regions, layers, and / or segments should not be limited by these terms. These terms may be used only to distinguish one element, component, region, layer, or segment from another. Unless the context clearly indicates otherwise, terms such as "first," "second," and other numerical terms used herein do not imply order or sequence. Therefore, the first element, component, region, layer, or segment discussed below may be referred to as the second element, component, region, layer, or segment without departing from the teachings of the exemplary embodiments.

[0043] For ease of description, spatial relative terms may be used in the text to describe the relationship of one element or feature relative to another element or feature, as shown in the figure. These relative terms include, for example, "inside," "outside," "middle," "outer," "below," "below," "above," "over," etc. Such spatial relative terms are intended to include different orientations of the device in use or operation, other than those depicted in the figure. For example, if the device in the figure is flipped, an element described as "below other elements or features" or "below other elements or features" would subsequently be oriented as "above other elements or features" or "above other elements or features." Therefore, the example term "below" can include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions), and the spatial relative descriptors used in the text will be interpreted accordingly.

[0044] Figure 1 is a top view of a garment processing device according to an embodiment of this application; Figure 2 is a cross-sectional view of the garment processing device shown in Figure 1 along direction AA; Figure 3 is a structural schematic diagram of a vibration damping device according to an embodiment of this application; and Figure 4 is a structural schematic diagram of the damping component in the vibration damping device shown in Figure 3.

[0045] Referring to Figures 1 to 4, embodiments of this application provide a clothing processing device 1000, including a housing 200, a drum assembly 300, and a vibration damping device 100. This clothing processing device 1000 can be a clothing processing device, such as a top-loading washing machine or a front-loading washing machine. For ease of description, each embodiment of this application uses a top-loading washing machine as an example for illustration.

[0046] The cabinet 200 is generally made of sheet metal by bending. The cabinet 200 includes an internal space with an open end and a worktable covering the open end. This internal space can house other components of the washing machine, such as circuitry, air ducts, a drive mechanism, and drainage components. A detergent dispenser can be located at the front end of the worktable. The cabinet 200 can be a hollow cuboid or a hollow cylinder. The inner periphery of the cabinet 200 generally has four corners, each with a corner plate 201.

[0047] The drum assembly 300 is disposed within the housing 200, and a mounting base 301 is provided at the bottom of the drum assembly 300. For a top-loading washing machine, the axial direction of the drum assembly 300 is the same as the height direction of the housing 200. For a front-loading washing machine, the axial direction of the drum assembly 300 intersects with the height direction of the housing 200. Taking a top-loading washing machine as an example, the drum assembly 300 includes an outer drum and an inner drum rotatably disposed within the outer drum. The inner drum is hollow to form a washing chamber. A through hole is provided on the peripheral wall of the inner drum, through which washing water can be discharged from the inner drum to the outer drum. A wastewater outlet is provided at the bottom of the outer drum, and washing water is discharged from the machine body through a drain assembly connected to the wastewater outlet. A loading and unloading port communicating with the washing chamber is provided at the top of the drum assembly 300, through which clothes are placed into the washing chamber for washing. A door is provided correspondingly in the housing 200 to close the loading and unloading port of the drum assembly 300 when washing clothes, so that the washing chamber is a sealed space when washing clothes. Taking a top-loading washing machine as an example, the washing machine 1000 is a type of washing machine where a motor drives a pulsator to rotate, causing the clothes to tumble up and down in the water. Driven by the pulsator, the water inside the drum assembly 300 forms alternating left- and right-handed vortices, causing the clothes to rotate and tumble, thus achieving washing and dehydration. During the washing and dehydration process, the drum assembly 300 inevitably vibrates; therefore, a vibration damping device 100 is needed to reduce the vibration displacement of the drum assembly 300.

[0048] The vibration damping device 100 is connected between the housing 200 and the cylinder assembly 300. More specifically, the vibration damping device 100 is suspended between the corner plate 201 of the housing 200 and the mounting base 301 at the bottom of the cylinder assembly 300. Optionally, the vibration damping device 100 includes a damping component 3, a suspension rod 4, and a vibration damping sleeve 5. The damping component 3 is connected between the suspension rod 4 and the top of the cylinder assembly 300. The upper end of the suspension rod 4 is connected to the corresponding corner plate 201 of the housing 200 by a fastener, and the lower end of the suspension rod 4 is connected to the vibration damping sleeve 5. The vibration damping sleeve 5 is fixedly connected to the mounting base 301 at the bottom of the cylinder assembly 300. The vibration damping sleeve 5 contains a spring assembly 51 and a spring seat 52 for fixing the spring assembly 51. Thus, the hanger 4 is mainly used to buffer the vibration of the cylinder assembly 300 along the height direction, and the damping assembly 3 is mainly used to provide damping force in the horizontal or near-horizontal direction, reducing the lateral vibration displacement of the cylinder assembly 300 during the dehydration process and preventing the cylinder assembly 300 from hitting the box 200.

[0049] In one example, the vibration damping device 100 is provided on only two of the four corner plates 201 of the housing 200 located on the diagonal. In another example, the vibration damping device 100 is provided on each of the four corner plates 201 of the housing 200.

[0050] In related technologies, the housing 200 is relatively stationary, and the vibration damping device 100 is connected between the housing 200 and the cylinder assembly 300. When the cylinder assembly 300 is running at low speed, such as during the start-up phase of dehydration, the vibration damping device 100 can absorb and release some of the vibration energy, reducing the lateral vibration displacement of the cylinder assembly 300 and preventing the cylinder assembly 300 from impacting the housing 200. However, when the cylinder assembly is running at high speed, such as when the cylinder assembly 300 reaches a stable speed and is in normal dehydration operation, the lateral vibration displacement generated by the cylinder assembly 300 is small. The generation of damping force will cause the vibration damping device 100 to transmit the vibration of the cylinder assembly 300 to the housing 200, resulting in increased vibration of the housing 200 and increased noise of the entire machine.

[0051] Therefore, this application provides a vibration damping device 100, which can prevent the vibration of the cylinder assembly 300 from being transmitted to the housing 200 during high-speed operation, thereby reducing the overall noise of the machine.

[0052] Referring again to Figures 3 and 4, the vibration damping device 100 of this embodiment includes a first moving member 1, a second moving member 2, and a damping component 3.

[0053] The first moving part 1 and the second moving part 2 are rotatably connected. The damping component 3 is disposed at the rotatable connection between the first moving part 1 and the second moving part 2. The damping component 3 includes a liner 31 and a damping element 32. The liner 31 is located between the damping element 32 and the first moving part 1. The first moving part 1 and the second moving part 2 rotate relative to each other within a first angle. The first angle includes a first damping angle and a second damping angle. The damping force generated by the damping component 3 in the first damping angle is less than the damping force generated by it in the second damping angle.

[0054] In this embodiment, the vibration damping device 100 includes a first moving member 1, a second moving member 2, and a damping component 3 disposed at the rotational connection between the first moving member 1 and the second moving member 2. The damping component 3 has various structural forms. Specifically, the damping component 3 includes a liner 31 and a damping member 32. Both the liner 31 and the damping member 32 can be annular structural members, and they are coaxially arranged. The liner 31 can be sleeved on the outer periphery of the damping member 32, and the damping member 32 can also be sleeved on the outer periphery of the liner 31. The liner 31 and the damping member 32 can also be stacked, and the connection between them is nested with each other.

[0055] During the relative rotation of the first moving member 1 and the second moving member 2 within a first angle, two damping forces of different magnitudes are generated. The first angle includes a first damping angle and a second damping angle. The damping force generated by the damping component 3 in the first damping angle is less than the damping force generated in the second damping angle. Here, "damping force" refers to the force generated by the relative rotation of the damping component 32 and other components in contact with the damping component 32.

[0056] When the cylinder assembly 300 is running at low speed, such as during the start-up phase of dehydration, the vibration amplitude of the cylinder assembly 300 is relatively large, that is, the lateral vibration displacement of the cylinder assembly 300 is relatively large. The damping component 3 is within the second damping angle, and the damping force generated by the damping component 3 is relatively large. At this time, the vibration damping device 100 can absorb and release part of the vibration energy of the cylinder assembly 300 through the damping force, reduce the lateral vibration displacement of the cylinder assembly 300, and reduce the possibility of the cylinder assembly 300 hitting the box 200 during low-speed operation.

[0057] When the drum assembly 300 is running at high speed, such as when the drum assembly 300 reaches a stable speed and is working normally for dehydration, the vibration amplitude of the drum assembly 300 is generally not large, that is, the lateral vibration displacement of the drum assembly 300 is relatively small. The damping component 3 is within the first damping angle, the vibration reduction device 100 is equivalent to no load, and the damping force generated by the damping component 3 is relatively small. This can prevent the drum assembly 300 from transmitting vibration to the housing 200, reduce the possibility of transmitting the vibration of the drum assembly 300 to the housing 200 during high-speed operation, and thus reduce the noise of the whole machine.

[0058] According to an embodiment of this application, the vibration damping device includes a first moving member 1, a second moving member 2, and a damping component 3 connected between the housing 200 and the cylinder assembly 300. The first moving member 1 and the second moving member 2 are rotatably connected. The damping component 3 is disposed at the rotatable connection between the first moving member 1 and the second moving member 2. The damping component 3 includes a liner 31 and a damping member 32. The liner 31 is located between the damping member 32 and the first moving member 1. The first moving member 1 and the second moving member 2 rotate relative to each other within a first angle, which includes a first damping angle and a second damping angle. The damping force generated by the damping component 3 in the first damping angle is less than the damping force generated in the second damping angle. Therefore, when the cylinder assembly 300 operates at high speed, the vibration amplitude of the cylinder assembly 300 is generally not large, resulting in a small relative rotation angle between the damping component 3 and the first moving member 1, and a relatively small damping force. This can prevent the cylinder assembly 300 from transmitting vibration to the housing 200, reducing the possibility of transmitting the vibration of the cylinder assembly 300 to the housing 200 during high-speed operation, thereby reducing the overall noise of the machine.

[0059] Figure 5 is a simplified structural diagram of a vibration damping device according to one embodiment of this application, and Figure 6 is a simplified structural diagram of a vibration damping device according to another embodiment of this application.

[0060] In some embodiments, within the first damping angle, the liner 31 rotates relative to the first moving member 1, the damping member 32 is stationary relative to both the liner 31 and the second moving member 2, and the damping force generated by the damping assembly 3 in the first damping angle is essentially 0.

[0061] Figures 5 and 6 show two structural forms of the damping component 3, namely, both the liner 31 and the damping component 32 are annular structural components. The liner 31 can be sleeved on the outer periphery of the damping component 32, or the damping component 32 can be sleeved on the outer periphery of the liner 31. Correspondingly, the positional relationship and connection relationship between the damping component 3 and the first moving component and the second moving component are also different.

[0062] Referring to Figure 5, in this embodiment, the bushing 31 of the damping assembly 3 is located between the damping member 32 and the first moving member 1. Specifically, as shown in Figure 4, the bushing 31 is sleeved on the outer periphery of the damping member 32, a portion of the structure of the first moving member 1 is sleeved on the outer periphery of the bushing 31, and the damping member 32 is sleeved on the outer periphery of a portion of the structure of the second moving member 2. When the first moving member 1 and the second moving member 2 rotate within the first damping angle, the cylinder assembly 300 is in a high-speed operation phase. The vibration amplitude of the cylinder assembly 300 is generally not large, resulting in a small rotation angle of the damping assembly 3 relative to the first moving member 1, generating virtually no damping force, or even zero, thereby preventing the cylinder assembly 300 from transmitting vibration to the housing 200.

[0063] Referring to Figure 6, in this embodiment, the bushing 31 of the damping assembly 3 is located between the damping member 32 and the first moving member 1. Specifically, the damping member 32 of the damping assembly 3 is sleeved on the outer periphery of the bushing 31, the bushing 31 is sleeved on the outer periphery of a portion of the structure of the first moving member 1, and a portion of the structure of the second moving member 2 is sleeved on the outer periphery of the damping member 32. When the first moving member 1 and the second moving member 2 rotate relative to each other within the first damping angle, the cylinder assembly 30 is in a high-speed operation phase, and the vibration amplitude of the cylinder assembly 300 is generally not large, resulting in a small relative rotation angle between the damping assembly 3 and the first moving member 1, which basically does not generate damping force, or can even be 0, thereby preventing the cylinder assembly 300 from transmitting vibration to the housing 200.

[0064] It should be noted that "damping force is basically 0" in this article means that the force generated by the relative rotation of the damping element 32 and other parts in contact with the damping element 32 is equal to 0 + tolerance. The tolerance can be 100N or other values, but it does not exceed the damping force generated by the damping component 3 in the second damping angle.

[0065] In some embodiments, within the second damping angle, the liner 31 is stationary relative to the first moving member 1, and the damping member 32 rotates relative to the second moving member 2 and / or the liner 31 to generate a damping force.

[0066] Referring again to Figure 5, the cylinder assembly 300 operates at low speed, and the vibration amplitude of the cylinder assembly 300 is relatively large. The first moving part 1 and the second moving part 2 rotate within the second damping angle. The liner 31 is stationary relative to the first moving part 1, and the damping part 32 rotates relative to the second moving part 2 to generate damping force. At this time, the liner 31, the damping part 32 and the first moving part 1 are relatively stationary or move synchronously, so that the damping force generated by the vibration damping device 100 can absorb and release part of the vibration energy of the cylinder assembly 300, reduce the lateral vibration displacement of the cylinder assembly 300, and reduce the possibility of the cylinder assembly 300 hitting the housing 200 when operating at low speed.

[0067] Referring again to Figure 6, the cylinder assembly 300 operates at low speed, and the vibration amplitude of the cylinder assembly 300 is relatively large. The first moving part 1 and the second moving part 2 rotate within the second damping angle. The liner 31 is stationary relative to the first moving part 1, and the damping part 32 rotates relative to the liner 31 to generate damping force, or the damping part 32 rotates relative to the liner 31 and the second moving part 2 to generate damping force, so that the damping force generated by the vibration damping device 100 can absorb and release part of the vibration energy of the cylinder assembly 300, reduce the lateral vibration displacement of the cylinder assembly 300, and reduce the possibility of the cylinder assembly 300 hitting the housing 200 when operating at low speed.

[0068] In some embodiments, the first moving member 1 includes a first main body 11, the first main body 11 having a receiving cavity 110, the damping component 3 being disposed in the receiving cavity 110, and the second moving member 2 includes a second main body 21, the second main body 21 being provided with a protrusion 211 pivotally connected to the damping component 3.

[0069] In this embodiment, both the first moving part 1 and the second moving part 2 can be plastic parts, made of wear-resistant materials such as nylon and polyoxymethylene, which are lightweight and easy to mass-produce. The first moving part 1 and the second moving part 2 are rotatably connected. The damping component 3 is disposed in the receiving cavity 110 of the first main body 11 of the first moving part 1, and the second main body 21 of the second moving part 2 is provided with a protrusion 211 pivotally connected to the damping component 3. In one example, as shown in FIG5, the liner 31 can be located between the damping component 32 and the receiving cavity 110, that is, the liner 31 is sleeved on the outer periphery of the damping component 32, and the protrusion 211 is pivotally connected to the damping component 32. In another example, as shown in FIG6, the liner 31 is located between the damping component 32 and the protrusion 211, that is, the damping component 32 is sleeved on the outer periphery of the liner 31, and the protrusion 211 is pivotally connected to the liner 31.

[0070] Figure 7 is a structural schematic diagram of a vibration damping device according to an embodiment of this application, and Figure 8 is an exploded structural schematic diagram of the vibration damping device shown in Figure 7.

[0071] In some embodiments, the damping member 32 is an annular structure, and the liner 31 is sleeved on the outer periphery of the damping member 32 and the liner 31 is located between the damping member 32 and the receiving cavity 110. In the second damping angle, the protrusion 211 moves relative to the damping member 32 to generate a damping force. In the first damping angle, when the liner 31 rotates relative to the receiving cavity 110, the damping member 32 remains stationary relative to the protrusion 211 and the liner 31.

[0072] Referring to Figures 7 and 8, the vibration damping device 100 in this embodiment is a specific embodiment of the vibration damping device 100 shown in Figure 5. The damping component 3 includes a bushing 31 and a damping component 32 arranged coaxially. The damping component 32 is an annular structure. The bushing 31 is located between the damping component 32 and the accommodating cavity 110, that is, the bushing 31 is sleeved on the outer periphery of the damping component 32. The protrusion 211 is pivotally connected to the damping component 32.

[0073] In this way, when the cylinder assembly 300 is running at low speed, the vibration amplitude of the cylinder assembly 300 is relatively large. The first moving part 1 and the second moving part 2 rotate within the second damping angle. At this time, the liner 31 is stationary relative to the accommodating cavity 110, and the damping part 32 rotates relative to the protrusion 211 to generate damping force. At this time, the liner 31, the damping part 32 and the accommodating cavity 110 are relatively stationary or move synchronously, so that the damping force generated by the vibration damping device 100 can absorb and release part of the vibration energy of the cylinder assembly 300, reduce the lateral vibration displacement of the cylinder assembly 300, and reduce the possibility of the cylinder assembly 300 hitting the box 200 when running at low speed.

[0074] When the cylinder assembly 300 is running at high speed, the vibration amplitude of the cylinder assembly 300 is generally not large. The first moving part 1 and the second moving part 2 rotate within the first damping angle. At this time, the liner 31 rotates relative to the accommodating cavity 110, and the damping part 32 is stationary relative to the protrusion 211 and the liner 31. The rotation angle of the damping assembly 3 relative to the accommodating cavity 110 is small, so that the damping force generated by the damping assembly 3 in the first damping angle is basically 0. This can prevent the cylinder assembly 300 from transmitting vibration to the housing 200, reduce the possibility of transmitting the vibration of the cylinder assembly 300 to the housing 200 during high-speed operation, and thus reduce the noise of the whole machine.

[0075] It is understood that in other embodiments, such as the vibration damping device 100 shown in FIG. 6, the liner 31 may be located between the damping member 32 and the protrusion 211, that is, the damping member 32 is sleeved on the outer periphery of the liner 31, and the protrusion 211 is pivotally connected to the liner 31. When the first moving member 1 and the second moving member 2 rotate within the first damping angle, the liner 31 rotates relative to the protrusion 211, and the damping member 32 remains stationary relative to the accommodating cavity 110 and the liner 31. When the first moving member 1 and the second moving member 2 rotate within the second damping angle, the liner 31 remains stationary relative to the protrusion 211, and the damping member 32 rotates relative to the liner 31 to generate a damping force, or the damping member 32 rotates relative to the liner 31 and the accommodating cavity 110 to generate a damping force, which will not be described in detail here.

[0076] Figure 9 is a schematic diagram of the first moving part in the vibration damping device shown in Figure 7, and Figure 10 is a cross-sectional view of Figure 9 along direction BB.

[0077] In some embodiments, either the inner wall of the accommodating cavity 110 or the outer wall of the liner 31 is provided with a limiting groove 111, and the other of the inner wall of the accommodating cavity 110 or the outer wall of the liner 31 is provided with a limiting protrusion 311 that is accommodated in the limiting groove 111. The limiting protrusion 311 is capable of rotating a second angle within the limiting groove 111.

[0078] Referring to Figures 4, 5, 9 and 10, the liner 31 is sleeved on the outer periphery of the damping member 32, and the liner 31 is located between the damping member 32 and the receiving cavity 110. As mentioned above, the liner 31 can rotate relative to the receiving cavity 110. Specifically, either the inner wall of the receiving cavity 110 or the outer wall of the liner 31 is provided with a limiting groove 111, and the other of the inner wall of the receiving cavity 110 and the outer wall of the liner 31 is provided with a limiting protrusion 311 that is accommodated in the limiting groove 111. The limiting protrusion 311 can rotate a second angle within the limiting groove 111.

[0079] In this way, when the cylinder assembly 300 is running at high speed, for example, when the cylinder assembly 300 reaches a stable speed and is working normally for dehydration, the lateral vibration displacement of the cylinder assembly 300 is small. When the first moving part 1 and the second moving part 2 rotate within the first damping angle, the relative rotation angle between the two is small and will not exceed the limiting angle of the liner 31 in the accommodating cavity 110, that is, it will not exceed the second angle of the limiting protrusion 311 in the limiting groove 111. Basically, no damping force is generated, which can prevent the cylinder assembly 300 from transmitting vibration to the housing 200, reduce the possibility of transmitting the vibration of the cylinder assembly 300 to the housing 200 during high-speed operation, and thus reduce the noise of the whole machine.

[0080] Figure 11 is a schematic diagram of the damping component in Figure 9 located within the first damping angle, and Figure 12 is a schematic diagram of the damping component in Figure 9 located within the first damping angle.

[0081] In some embodiments, within a first damping angle, the limiting protrusion 311 rotates within the limiting groove 111 and forms a gap S between it and the two sidewalls of the limiting groove 111 along the circumferential direction.

[0082] Referring to Figures 5 and 11, a limiting groove 111 is provided on either the inner wall of the accommodating cavity 110 or the outer wall of the liner 31, and a limiting protrusion 311 is provided on the other of the inner wall of the accommodating cavity 110 or the outer wall of the liner 31, which is accommodated in the limiting groove 111. Within a first damping angle, the limiting protrusion 311 rotates within the limiting groove 111 and forms a gap S between itself and the two circumferential sidewalls of the limiting groove 111. That is, within the first damping angle, the relative rotation angle between the first moving member 1 and the second moving member 2 is small, the limiting protrusion 311 rotates slightly within the limiting groove 111, and the limiting protrusion 311 does not contact either of the two circumferential sidewalls of the limiting groove 111.

[0083] In some embodiments, within the second damping angle, the sidewall of the limiting protrusion 311 abuts against any sidewall of the limiting groove 111 in the circumferential direction, and the protrusion 211 can continue to rotate relative to the damping member 32 to generate a damping force.

[0084] Referring to Figures 5 and 12, either the inner wall of the accommodating cavity 110 or the outer wall of the liner 31 is provided with a limiting groove 111, and the other of the inner wall of the accommodating cavity 110 or the outer wall of the liner 31 is provided with a limiting protrusion 311 that is accommodated in the limiting groove 111. Within the second damping angle, the side wall of the limiting protrusion 311 can abut against one side wall of the limiting groove 111 along the circumferential direction, or the side wall of the limiting protrusion 311 can abut against another side wall of the limiting groove 111 along the circumferential direction (as shown by the dotted line in Figure 10). The protrusion 211 can continue to rotate relative to the damping member 32 to generate a damping force.

[0085] In other words, when the cylinder assembly 300 is running at low speed, when the first moving part 1 and the second moving part 2 rotate within the second damping angle, the inner cylinder rotates at low speed, and the outer cylinder swings significantly under the action of eccentric centrifugal force, resulting in vibration. The lateral vibration displacement of the cylinder assembly 300 is relatively large. The angle at which the limiting protrusion 311 can rotate in the limiting groove 111 is limited. After the side wall of the limiting protrusion 311 abuts against any side wall of the limiting groove 111 along the circumferential direction, the first moving part 1 and the second moving part 2 rotate relative to each other, thereby generating a damping force between the damping part 32 and the protrusion 211, which suppresses the vibration of the cylinder assembly 300 running at low speed. This allows the vibration damping device 100 to absorb and release a portion of the vibration energy of the cylinder assembly 300, reduce the lateral vibration displacement of the cylinder assembly 300, and reduce the possibility of the cylinder assembly 300 colliding with the housing 200 when running at low speed.

[0086] In some embodiments, the inner wall of the accommodating cavity 110 is provided with a limiting groove 111, and the outer wall of the liner 31 is provided with a limiting protrusion 311 that cooperates with the limiting groove 111. The second angle θ that the limiting protrusion 311 can rotate within the limiting groove 111 is 20° to 30°.

[0087] Referring again to Figures 9 to 12, the inner wall of the accommodating cavity 110 is provided with a limiting groove 111, and the outer wall of the liner 31 is provided with a limiting protrusion 311 that mates with the limiting groove 111. This facilitates the machining of the accommodating cavity 110 of the liner 31 and the first main body 11, reducing machining difficulty and manufacturing costs. The limiting protrusion 311 can rotate within the limiting groove 111 at a second angle θ = 20° to 30°.

[0088] In some embodiments, the number of limiting grooves 111 and the number of limiting protrusions 311 are both multiple. The multiple limiting grooves 111 are spaced apart along the circumferential direction of the receiving cavity 110, and the multiple limiting protrusions 311 are arranged in a one-to-one correspondence with the multiple limiting grooves 111.

[0089] As shown in Figures 4, 5, and 9, four limiting grooves 111 are spaced apart along the circumferential direction of the receiving cavity 110, and four limiting protrusions 311 are spaced apart along the circumferential direction of the liner 31. The four limiting protrusions 311 correspond one-to-one with the four limiting grooves 111. The arrangement of multiple limiting grooves 111 and multiple limiting protrusions 311 can make the rotation of the damping assembly 3 relative to the receiving cavity 110 within the first angle smoother, and make the force on the receiving cavity 110 of the first main body 11 and the damping assembly 3 more uniform, thus avoiding large impact forces when the limiting protrusions 311 collide with the sidewalls of the limiting grooves 111.

[0090] In some embodiments, the damping member 32 is provided with a notch 321 along the circumferential direction, and the inner wall of the liner 31 is provided with a stop rib 312, which is snapped into the notch 321.

[0091] Referring again to Figures 4 and 5, when the liner 31 is fitted onto the outer periphery of the damper 32 and the protrusion 211 is pivotally connected to the damper 32, the liner 31 and the damper 32 are equivalent to a single structural component throughout the entire movement, regardless of whether it is within the second damping angle or the first damping angle. There is no relative movement between the two. Therefore, the liner 31 and the damper 32 can be configured as an integral structural component.

[0092] The damping assembly 3 can be composed of two parts made of different materials. This simplifies the manufacturing process and allows each part to perform its function to a greater extent based on its material. For example, the inner surface of the damping element 32 directly contacts the protrusion 211 of the first moving part 1 to generate frictional damping force. This requires the damping element 32 to be made of a viscoelastic damping material to generate a large damping force. The liner 31 needs to be connected to the damping element 32 and repeatedly rotate relative to the cavity 110 of the first main body 11. This requires the liner 31 to have good wear resistance. The material of the damping element 32 can be, for example, but not limited to, viscoelastic damping materials such as polyurethane. Viscoelastic damping materials utilize the hysteresis properties of polymers to absorb vibration energy, partially converting the absorbed mechanical or acoustic energy into heat energy for dissipation, thereby reducing or lowering the amplitude and meeting the requirements for vibration resistance. The material of the liner 31 can be polyoxymethylene (POM) or other wear-resistant plastic materials to improve the wear resistance between the liner 31 and the cavity 110 of the first main body 11. The material of the liner 31 can also be wear-resistant materials such as brass, and the wall thickness of the damping component 32 is greater than that of the liner 31. The liner 31 and the damping component 32 are manufactured separately and made of different materials. The connection strength between the liner 31 and the damping component 32 is improved by mechanical connection through the snap-fit ​​connection between the stop rib 312 and the notch 321.

[0093] Therefore, in this embodiment, the limiting protrusion 311 on the outer wall of the liner 31 cooperates with the limiting groove 111 on the inner wall of the accommodating cavity 110, and the stop rib 312 of the liner 31 is engaged with the notch 321 of the damping member 32. Within the second damping angle, the limiting protrusion 311 contacts either side wall of the limiting groove 111, and the damping member 32 rotates relative to the protrusion 211 to generate a damping force; within the first damping angle, a gap is formed between the limiting protrusion 311 and the two side walls of the limiting groove 111, the rotation angle of the liner 31 relative to the accommodating cavity 110 is small, and there is no relative movement between the damping member 32, the liner 31, and the protrusion 211, so that there is basically no damping force between the first moving member 1 and the second moving member 2, while the damping member 32 and the protrusion 211 remain relatively stationary and form a rigid whole.

[0094] It is understandable that the liner 31 and the damping element 32 can also be made of other materials. During manufacturing, the liner 31 can be integrally formed with the damping element 32 as an insert to improve the connection strength between the liner 31 and the damping element 32 and avoid relative rotation between the two during rotation, which would affect the damping effect.

[0095] In some embodiments, the vibration damping device 100 further includes a hanger 4 disposed on the housing 200 and / or the cylindrical assembly 300. The first moving member 1 further includes a first connecting portion 12 connected to the first main body portion 11, and the second moving member 2 further includes a second connecting portion 22 connected to the second main body portion 21. Either the first connecting portion 12 or the second connecting portion 22 has a through hole 10, and the hanger 4 is used to pass through the through hole 10 to connect the vibration damping device 100 to the housing 200 and / or the cylindrical assembly 300.

[0096] Referring again to Figures 1 to 3, in one example, the first connecting portion 12 of the first moving member 1 has a through hole 10, which is fitted onto the outer periphery of the hanger 4 to connect the first connecting portion 12 to the hanger 4. The other end of the hanger 4 away from the first connecting portion 12 is connected to the housing 200. The second connecting portion 22 of the second moving member 2 is used to connect to the cylinder assembly 300 to connect the vibration damping device 100 between the housing 200 and the cylinder assembly 300.

[0097] The vibration damping device 100 also includes a first fastening assembly, which sequentially passes through a first main body portion 11 and a second main body portion 21 along the axial direction to connect the first main body portion 11 and the second main body portion 21. The first fastening assembly may include a rivet and a washer. The protrusion 211 of the second main body portion 21 is pivotally connected to the damping member 32. The rivet passes through the washer, the protrusion 211, and the second main body portion 21 sequentially from one side of the first main body portion 11 to connect the first main body portion 11 and the second main body portion 21 along the axial direction. The first main body portion 11 and the second main body portion 21 are fixedly connected along the axial direction, and are mainly pivotally connected and rotate in the circumferential direction so that the second moving member 2 and the first moving member 1 can rotate relative to each other within a first angle to generate a damping force.

[0098] The vibration damping device 100 also includes a second fastening assembly, a sleeve 221 and a pin sleeve 222. The sleeve 221 is provided inside the second connecting part 22, and the pin sleeve 222 is provided in the sleeve 221. The second fastening assembly may include a pin, which passes through the pin sleeve 222 and the mounting seat 301 of the sleeve assembly 300 in sequence along the axial direction to connect the second connecting part 22 with the sleeve assembly 300.

[0099] In another example, the second connecting part 22 has a through hole 10, one end of the rod 4 passes through the through hole 10, and the other end of the rod 4 away from the second connecting part 22 is connected to the housing 200. The first connecting part 12 is used to connect to the cylinder assembly 300 to connect the vibration damping device 100 between the housing 200 and the cylinder assembly 300.

[0100] In some embodiments, the first connecting part 12 has a through hole 10 and a guide channel 10a communicating with the through hole 10, and the first connecting part 12 is sleeved on the outer periphery of the rod 4 through the through hole 10.

[0101] Referring again to Figure 7, the guide channel 10a is connected to the through hole 10. During the movement of the rod 4 in the through hole 10, if the vibration of the cylinder assembly 300 is too large, the guide channel 10a can be partially opened to minimize the impact force between the rod 4 and the periphery of the through hole 10, thereby reducing the impact force on the housing 200. The guide channel 10a can improve the deformation capacity of the part of the first connecting part 12 located on the periphery of the through hole 10 and reduce the possibility of the rod 4 being stuck in the through hole 10 during vibration.

[0102] In some embodiments, the first connecting portion 12 includes an inner peripheral structure 121 and an outer peripheral structure 122. The inner peripheral structure 121 forms a through hole 10, and the outer peripheral structure 122 is spaced apart on the outer peripheral side of the inner peripheral structure 121. A through groove 123 is formed between the inner peripheral structure 121 and the outer peripheral structure 122, and a reinforcing rib 124 is connected between the inner peripheral structure 121 and the outer peripheral structure 122.

[0103] As shown in Figure 7, when the wall thickness of the through hole 10 is too thick, elastic deformation is not easily achieved, and the hanger 4 is prone to jamming when moving within the through hole 10. Therefore, a through groove 123 is formed between the inner and outer peripheral structures, which works together with the guide channel 10a to increase the deformability of the periphery of the through hole 10 and prevent the hanger 4 from jamming when moving within the through hole 10. In addition, when the wall thickness of the through hole 10 is too thin, the strength is insufficient, and the hanger 4 is prone to breaking the through hole 10 when moving within it. Therefore, a reinforcing rib 124 is connected between the inner and outer peripheral structures of the first connecting part 12. The reinforcing rib 124 can increase the structural strength and deformation toughness of the periphery of the through hole 10, preventing the through hole 10 from being broken by the hanger 4.

[0104] In some embodiments, the through hole 10 is provided with an opening 10b in the circumferential direction, and the guide channel 10a extends from the opening 10b in a direction away from the through hole 10. The guide channel 10a includes a straight segment 101 and a bent segment 102 arranged sequentially. The straight segment 101 is formed by extending from the opening 10b in a direction away from the through hole 10. A protrusion 10c is formed on one side of the end of the straight segment 101, and a bent portion 10d is formed on the other side of the end of the straight segment 101 by bending around the protrusion 10c. The bent segment 102 is formed between the bent portion 10d and the protrusion 10c.

[0105] As shown in Figure 7, the boom 4 passes through the through hole 10 of the first connecting part 12. The through hole 10 has an opening 10b along the circumferential direction, which can increase the deformation at the through hole 10 and reduce the possibility of the boom 4 getting stuck when moving in the through hole 10. The first connecting part 12 also includes a guide channel 10a communicating with the through hole 10. The guide channel 10a includes a straight segment 101 and a bent segment 102 arranged sequentially. A protrusion 10c is formed on one side of the end of the straight segment 101, and a bent segment 10d is formed on the other side of the end of the straight segment 101, bending around the protrusion 10c. The bent segment 102 is formed between the bent segment 10d and the protrusion 10c. The straight segment 101 and the bent segment 102 of the guide channel 10a form a labyrinthine channel, which can not only ensure that the first connecting part 12 has sufficient deformation, but also reduce the possibility of the boom 4 getting out of the guide channel 10a.

[0106] Therefore, in the garment processing equipment 1000 of the various embodiments of this application, during the dehydration start-up stage, the inner drum of the drum assembly 300 runs at low speed, and the outer drum vibrates significantly under the action of eccentric centrifugal force, resulting in the maximum lateral vibration displacement of the drum assembly 300. At this time, the first moving member 1 and the second moving member 2 of the vibration damping device 100 rotate relative to each other. The damping assembly 3 includes a damping member 32 and a liner 31 sleeved on the outer periphery of the damping member 32. The damping member 32 is pivotally connected to the protrusion 211 of the second moving member 2. The inner wall of the liner 31 is provided with a limiting protrusion 311, and the outer wall of the accommodating cavity 110 of the first moving member 1 is provided with a limiting groove 111 that cooperates with the limiting protrusion 311. At this time, the first moving part 1 and the second moving part 2 rotate within the second damping angle. The limiting protrusion 311 contacts any side wall of the limiting groove 111 along the circumferential direction. The liner 31 can no longer rotate. The damping part 32 and the protrusion 211 undergo relative rotational friction, generating damping force, which suppresses the vibration of the low-speed cylinder assembly 300, reduces the lateral vibration displacement of the cylinder assembly 300, and reduces the possibility of the cylinder assembly 300 hitting the housing 200 when running at low speed.

[0107] After the garment processing equipment 1000 has been dehydrating for a period of time, the drum assembly 300 runs at high speed to a stable state. At this time, the lateral vibration displacement of the drum assembly 300 is small. Correspondingly, the relative rotation angle between the first moving part 1 and the second moving part 2 is small. At this time, the first moving part 1 and the second moving part 2 rotate within the first damping angle. The limiting protrusion 311 of the liner 31 and the two side walls of the limiting groove 111 of the accommodating cavity 110 along the circumferential direction are respectively separated. The rotation angle of the limiting protrusion 311 in the limiting groove 111 is small, so that there is basically no damping force between the first moving part 1 and the second moving part 2. This can prevent the drum assembly 300 from transmitting vibration to the housing 200, reduce the possibility of transmitting the vibration of the drum assembly 300 to the housing 200 during high-speed operation, and thus reduce the noise of the whole machine.

[0108] The above description is merely a preferred embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A vibration damping device applied to a garment processing equipment, the garment processing equipment comprising a housing and a cylindrical assembly disposed within the housing, wherein, The vibration damping device includes a first moving component, a second moving component, and a damping assembly. The first moving component and the second moving component are rotatably connected. The damping assembly is disposed at the rotatable connection between the first moving component and the second moving component. The damping assembly includes a liner and a damping element. The liner is located between the damping element and the first moving component. The first moving component and the second moving component rotate relative to each other within a first angle. The first angle includes a first damping angle and a second damping angle. The damping force generated by the damping assembly in the first damping angle is less than the damping force generated by it in the second damping angle.

2. The vibration damping device according to claim 1, wherein, Within the first damping angle, the liner rotates relative to the first moving member, the damping member remains stationary relative to both the liner and the second moving member, and the damping force generated by the damping assembly within the first damping angle is essentially zero.

3. The vibration damping device according to claim 1 or 2, wherein, Within the second damping angle, the liner is stationary relative to the first moving member, and the damping member rotates relative to the second moving member and / or the liner to generate a damping force.

4. The vibration damping device according to any one of claims 1 to 3, wherein, The first moving member includes a first main body portion having a receiving cavity, and the damping component is disposed within the receiving cavity. The second moving member includes a second main body portion having a protrusion pivotally connected to the damping component.

5. The vibration damping device according to claim 4, wherein, The damping element is a ring-shaped structure. The liner is sleeved on the outer periphery of the damping element and is located between the damping element and the receiving cavity. Within the first damping angle, when the liner rotates relative to the receiving cavity, the damping element remains stationary relative to the protrusion. Within the second damping angle, the protrusion moves relative to the damping element to generate a damping force.

6. The vibration damping device according to claim 5, wherein, A limiting groove is provided on either the inner wall of the accommodating cavity or the outer wall of the liner, and a limiting protrusion is provided on the other of the inner wall of the accommodating cavity and the outer wall of the liner, which is accommodated in the limiting groove. The limiting protrusion is capable of rotating a second angle within the limiting groove.

7. The vibration damping device according to claim 6, wherein, Within the first damping angle, the limiting protrusion rotates within the limiting groove and forms a gap with the two sidewalls of the limiting groove along the circumferential direction.

8. The vibration damping device according to claim 6, wherein, Within the second damping angle, the sidewall of the limiting protrusion abuts against any sidewall of the limiting groove along the circumferential direction, allowing the protrusion to continue rotating relative to the damping member to generate a damping force.

9. The vibration damping device according to claim 6, wherein, The inner wall of the accommodating cavity is provided with the limiting groove, and the outer wall of the liner is provided with the limiting protrusion that cooperates with the limiting groove. The second angle at which the limiting protrusion can rotate within the limiting groove is 20° to 30°.

10. The vibration damping device according to claim 9, wherein, The number of limiting grooves and the number of limiting protrusions are both multiple. The multiple limiting grooves are spaced apart along the circumferential direction of the receiving cavity, and the multiple limiting protrusions are arranged in one-to-one correspondence with the multiple limiting grooves.

11. The vibration damping device according to claim 10, wherein, The damping element has a notch along the circumferential direction, and the inner wall of the liner has a stop rib, which is snapped into the notch.

12. The vibration damping device according to claim 4, wherein, The vibration damping device further includes a hanger rod disposed on the housing and / or the cylinder assembly. The first moving member further includes a first connecting portion connected to the first main body, and the second moving member further includes a second connecting portion connected to the second main body. Either the first connecting portion or the second connecting portion has a through hole, and the hanger rod is used to pass through the through hole to connect the vibration damping device to the housing and / or the cylinder assembly.

13. The vibration damping device according to claim 12, wherein, The first connecting part has a through hole and a guide channel communicating with the through hole, and the first connecting part is sleeved on the outer periphery of the rod through the through hole.

14. The vibration damping device according to claim 13, wherein, The first connecting part includes an inner peripheral structure and an outer peripheral structure. The inner peripheral structure forms the through hole, and the outer peripheral structure is spaced apart on the outer peripheral side of the inner peripheral structure. A through groove is formed between the inner peripheral structure and the outer peripheral structure, and a reinforcing rib connects the inner peripheral structure and the outer peripheral structure.

15. The vibration damping device according to claim 14, wherein, The through hole has an opening along the circumferential direction. The guide channel extends from the opening in a direction away from the through hole. The guide channel includes a straight segment and a bent segment arranged sequentially. The straight segment is formed by the opening extending in a direction away from the through hole. A protrusion is formed on one side of the end of the straight segment. A bent portion is formed on the other side of the end of the straight segment, which bends around the protrusion. The bent segment is formed between the bent portion and the protrusion.

16. A garment processing device, comprising: Box; The cylindrical assembly is disposed within the housing; as well as The vibration damping device according to any one of claims 1 to 15, wherein the vibration damping device is connected between the housing and the cylinder assembly.

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