A vibration damping device and a laundry treating apparatus

Abstract

The application relates to the clothes treatment technical field, and provides a damping device, which comprises a first damping part, a second damping part and an execution assembly. The first damping part is used for connecting the upper end surface of a water containing bucket of a clothes treatment equipment, and the upper surface of the first damping part is provided with a first damping surface; the second damping part is located above the first damping part, and the lower surface of the second damping part is provided with a second damping surface; and the execution assembly is used for driving the second damping part to slide in the up-down direction, so that the second damping surface can contact or separate from the first damping surface. The damping device provided by the application can realize the following effects: on the one hand, the first damping part can contact the second damping part to generate a sliding friction damping force in the horizontal direction, thereby limiting the vibration between the water containing bucket and the cabinet in the horizontal direction; and on the other hand, the execution assembly can drive the second damping part to contact or separate from the first damping part, thereby adjusting the sliding friction damping force between the first damping surface and the second damping surface.

Description

Technical Field

[0001] This application relates to the field of clothing processing technology, and provides a vibration damping device and clothing processing equipment. Background Technology

[0002] Existing garment processing equipment is becoming increasingly compact in design. For example, with the external dimensions of the washing machine remaining unchanged, the washing capacity of the washing machine is gradually increasing, which will make the gap between the washing machine and the water tank smaller and smaller. The suspension system is an important vibration damping device for the washing machine. Due to the high flexibility of the suspension system, the washing machine often experiences strong transient vibrations during the spin-drying process, which can easily cause the water tank to hit the washing machine, leading to serious safety issues. Summary of the Invention

[0003] In view of this, the present application provides a vibration damping device and a clothing processing equipment, wherein the vibration damping device has a good effect in suppressing transient amplitude.

[0004] One aspect of this application provides a vibration damping device, including:

[0005] A first damping element is used to connect to the upper end face of the water tank of the clothing processing equipment, and a first damping surface is formed on the upper surface of the first damping element.

[0006] The second damping element is located above the first damping element, and a second damping surface is formed on the lower surface of the second damping element;

[0007] An actuating component is used to drive the second damping element to slide in the up-down direction so that the second damping surface can contact or disengage from the first damping surface.

[0008] In some embodiments, the second damping element includes an annular plate, the lower surface of which is formed with the second damping surface.

[0009] In some implementations, the annular plate includes multiple arc plates, which are arranged sequentially along the circumference to form the annular plate, and adjacent arc plates are detachably connected.

[0010] In some implementations, the second damping element includes a plurality of connecting plates, and two adjacent arc plates are detachably connected by the connecting plates.

[0011] In some implementations, one of the two adjacent arc plates has a positioning groove formed at its circumferential end, and the other of the two adjacent arc plates has a locking protrusion formed at its circumferential end, the locking protrusion being embedded in the positioning groove.

[0012] In some implementations, the second damping element includes a push plate disposed on the outer peripheral surface of the annular plate, and the actuating component is drivenly connected to the push plate.

[0013] In some embodiments, the vibration damping device includes a guide member connected to the housing of the garment processing equipment, one of the push plate and the guide member having a guide groove, and the other of the push plate and the guide member having a guide rail, the guide rail being slidably embedded in the guide groove in the vertical direction.

[0014] In some embodiments, the sidewall of the guide groove is formed with an oil reservoir opening toward the guide rail; and / or, the sidewall of the guide rail is formed with an oil reservoir opening toward the guide groove.

[0015] In some implementations, there are multiple first damping elements, which are spaced circumferentially on the upper surface of the water tank.

[0016] In some embodiments, the actuating component includes a piston and a cylinder having a piston chamber, a first end of the piston being slidably disposed within the piston chamber, and a second end of the piston being drivenly connected to a second damping element, the piston being capable of driving the second damping element to slide up and down.

[0017] In some embodiments, the actuating component includes a support plate connected to a second end of the piston, both the piston and the cylinder being located on the outer periphery of the second damping element, and the upper surface of the support plate abutting against the second damping element.

[0018] In some embodiments, the vibration damping device includes an air passage, an air pump, and a valve assembly. The air passage connects the air pump and the piston chamber, and the valve assembly is disposed on the air passage. The valve assembly controls the air pump to draw or inject gas from the piston chamber.

[0019] In some implementations, the valve assembly includes a first solenoid valve and a second solenoid valve, the first solenoid valve being located on the outlet side of the air pump and the second solenoid valve being located on the inlet side of the air pump.

[0020] In some implementations, the pistons and cylinders are arranged in a one-to-one correspondence, the number of cylinders is even, and every two cylinders are arranged along the diagonal of the housing of the garment processing equipment.

[0021] Another aspect of this application provides a garment processing device, comprising:

[0022] Box;

[0023] A water container is located inside the box.

[0024] A boom is located inside the box, with its upper end fixed to the box and its lower end fixed to the water tank.

[0025] In any of the above-mentioned vibration damping devices, the first damping element is connected to the upper end face of the water tank, and the actuating component is connected to the housing.

[0026] This application provides a vibration damping device in which, on one hand, a second damping element is disposed on the upper end face of a water tank. When the water tank vibrates in the horizontal direction, the first damping surface of the first damping element can contact the second damping surface of the second damping element and generate a sliding friction damping force in the horizontal direction, thereby limiting the horizontal vibration between the water tank and the housing. On the other hand, the actuation component can adjust the sliding friction damping force between the first and second damping surfaces by driving the second damping element to contact or disengage from the first damping element, so as to adapt to the vibration damping requirements of different clothing processing equipment under different operating conditions, thereby improving the versatility of the vibration damping device. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a garment processing device according to one embodiment of this application;

[0028] Figure 2 for Figure 1 The enlarged view of section A of the structure shown schematically illustrates the main structures of the second damping element and the guide element.

[0029] Figure 3 for Figure 1 The enlarged view of section B of the structure shown schematically illustrates the damping cylinder, base, shock-absorbing spring, and lower structure of the garment processing equipment.

[0030] Figure 4 This is an exploded view of the structure of a vibration damping device according to an embodiment of this application; wherein, the main structures such as the second damping element, the actuation component, and the guide element are schematically shown;

[0031] Figure 5 This is a schematic diagram of the structure of a vibration damping device in one embodiment of this application, wherein the first damping element is schematically shown;

[0032] Figure 6 This is an exploded view of the structure of the second damping element of the vibration reduction device in one embodiment of this application; wherein, the main structures of the push plate and the arc plate are schematically shown;

[0033] Figure 7 for Figure 6 The enlarged view of section C of the structure shown schematically illustrates the oil storage tank.

[0034] Figure 8This is a schematic diagram of the structure of the actuation component of the vibration damping device in one embodiment of this application, wherein the piston, cylinder and support plate are schematically shown;

[0035] Figure 9 This is a schematic diagram of the structure of the guide member of the vibration damping device in one embodiment of this application;

[0036] Figure 10 This is a schematic diagram of the connecting plate of the second damping member of the vibration reduction device in one embodiment of this application;

[0037] Figure 11 This is a schematic diagram of the pneumatic control principle of the vibration damping device in one embodiment of this application.

[0038] Explanation of reference numerals in the attached figures

[0039] Vibration damping device 100; First damping component 1; First damping surface 1a; Second damping component 2; Second damping surface 2a; Annular plate 21; Arc plate 211; Connecting plate 22; Positioning groove 211a; Snap protrusion 211b; Push plate 23; Guide groove 23a; Oil reservoir 23b; Actuating component 3; Piston 31; Rod 311; Plug 312; Cylinder 32; Piston chamber 32a; Flow port 32b; Support plate 33; Guide component 4; Guide rail 4a; Air passage 5; Air pump 6; Inlet side 61; Outlet side 62; Valve group 7; First solenoid valve 71; Second solenoid valve 72; Inlet 7a; Outlet 1 7b; Outlet 2 7c; Clothing processing equipment 900; Water tank 91; End cap 911; Connecting slot 912; Hanging rod 92; Damping cylinder 93; Base support 94; Vibration damping spring 95; Hanging rod bracket 96; Box 97. Detailed Implementation

[0040] It should be noted that, unless otherwise specified, the embodiments and technical features in the embodiments of this application can be combined with each other, and the detailed descriptions in the specific implementation should be understood as explanations of the purpose of this application and should not be regarded as undue limitations on this application.

[0041] In the description of the embodiments in this application, the terms "inner," "outer," "upper," "lower," and "vertical" refer to the orientation or positional relationship of the garment processing equipment during normal use. For example, Figure 1 The orientation or positional relationship shown. The "horizontal" direction refers to the orientation or positional relationship perpendicular to the "vertical" direction. The terms "first / second" are merely to distinguish different objects and do not indicate any similarity or connection between them. It should be understood that these orientational terms are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0042] One embodiment of this application provides a vibration damping device 100, please refer to... Figures 1 to 5 The vibration damping device 100 includes a first damping element 1, a second damping element 2, and an actuation component 3.

[0043] Another embodiment of this application provides a garment processing device 900, please refer to... Figures 1 to 3 The garment processing equipment 900 includes a housing 97, a water tank 91, a hanging rod 92, and a vibration damping device 100 according to any one of the claims.

[0044] The water tank 91 is located inside the box 97. For example, the box 97 is a regular hexahedral structure. The box 97 includes four vertically arranged rectangular sidewalls and two horizontally arranged rectangular top and bottom plates. The four sidewalls are joined together in pairs along the circumference to form four corners.

[0045] The hanging rods 92 are located inside the housing 97. The upper end of the hanging rods 92 is fixed to the housing 97, and the lower end of the hanging rods 92 is fixed to the water tank 91. That is, the water tank 91 of the clothing processing equipment 900 is suspended from the housing 97 by the hanging rods 92. Specifically, there are four hanging rods 92, which are fixed to the upper part of the four corners of the housing 97. The water tank 91 is located in the center of the housing 97, and the lower ends of the four hanging rods 92 are fixed to the peripheral walls of the water tank 91 opposite to the four corners of the housing 97. With this arrangement, each hanging rod 92 can evenly distribute the weight of the water tank 91, and the suspension centering of the water tank 91 is good.

[0046] The first damping element 1 is connected to the upper end face of the water tank 91, and a first damping surface 1a is formed on the upper surface of the first damping element 1. Specifically, the first damping element 1 is a friction plate fixed to the end cap 911 on the upper end face of the water tank 91, and the upper end face of the friction plate forms the first damping surface 1a. The fixing method between the friction plate and the end cap 911 includes, but is not limited to, detachable connection methods such as screw connection and snap-fit.

[0047] The second damping element 2 is located above the first damping element 1, and a second damping surface 2a is formed on the lower surface of the second damping element 2. Specifically, both the first damping surface 1a and the second damping surface 2a are planes parallel to the horizontal direction, and the first damping surface 1a and the second damping surface 2a are arranged opposite each other vertically. The actuating component 3 is connected to the housing 97. Specifically, the actuating component 3 is located on the outer periphery of the water tank and is fixed at the corner of the inner side wall of the housing 97.

[0048] The actuator 3 drives the second damper 2 to slide vertically, allowing the second damping surface 2a to contact or disengage from the first damping surface 1a. For example, when the water tank 91 exhibits horizontal amplitude, the first damper 1 will vibrate horizontally along with the water tank 91. At this time, the actuator 3 controls the second damper 2 to slide downwards, causing the second damping surface 2a to abut against the first damping surface 1a and apply a vertical normal force. The relative sliding between the first damping surface 1a and the second damping surface 2a generates a horizontal sliding friction damping force. The greater the vertical normal force exerted by the second damper 2 against the first damper 1, the greater the horizontal sliding friction damping force. When the horizontal amplitude of the water tank 91 disappears, the actuator 3 controls the second damper 2 to slide upwards, disengaging the second damping surface 2a from the first damping surface 1a, and no horizontal sliding friction damping force is generated between the second damping surface 2a and the first damping surface 1a.

[0049] It should be noted that the sliding friction damping force formed by the relative sliding of the first damping surface 1a and the second damping surface 2a is a Coulomb damping. Compared with viscous damping and hysteresis damping, the structural form of Coulomb damping is relatively simple to realize and the manufacturing cost of the structure is relatively low.

[0050] Because existing garment processing equipment 900, such as pulsator washing machines, has an extremely low overall first-order natural frequency, this stems from the inherent characteristics of the oscillating suspension structure of pulsator washing machines. The first-order natural frequency of pulsator washing machines is primarily characterized by horizontal oscillation. However, the existing suspension structure of pulsator washing machines lacks sufficient damping constraint in the horizontal direction. This results in a large amplitude of vibration in the water tank 91 during the spin-drying or washing process when the critical rotational speed is near the first-order natural frequency. This can easily cause the water tank 91 to collide with the cabinet 97, leading to serious safety issues.

[0051] This application provides a vibration damping device 100. On one hand, a first damping member 1 is connected to a housing 97 via an actuator 3, and a second damping member 2 is disposed on the upper surface of a water tank 91. When the water tank 91 vibrates horizontally, the first damping surface 1a of the first damping member 1 contacts the second damping surface 2a of the second damping member 2, generating a sliding friction damping force in the horizontal direction, thereby limiting the horizontal vibration between the water tank 91 and the housing 97. On the other hand, the actuator 3 can drive the second damping member 2 to contact or disengage from the first damping member 1, adjusting the sliding friction damping force between the first damping surface 1a and the second damping surface 2a to adapt to the vibration damping requirements of different clothing processing equipment 900 under different operating conditions, thus improving the versatility of the vibration damping device 100.

[0052] For example, when the critical speed frequency of the garment processing equipment 900 during dehydration reaches near the first-order resonant frequency, the actuator 3 drives the second damping element 2 to abut against the first damping element 1, generating sliding friction damping force, thereby limiting the horizontal vibration between the water tank 91 and the box 97. When the critical speed frequency exceeds the first-order resonant frequency, the actuator 3 drives the second damping element 2 to disengage from the first damping element 1, the sliding friction damping force disappears, and the water tank 91 of the garment processing equipment 900 relies on the original balance ring to suppress vibration. In this way, the garment processing equipment 900 can have a good vibration suppression effect in each working stage.

[0053] In one embodiment, the friction pad of the first damping element 1 is made of materials including, but not limited to, rubber-based friction materials, semi-metallic friction materials, carbon fiber friction materials, resin-based friction materials, and paper-based friction materials. Since the mechanical characteristics of the rotational friction damping force generated by different types of friction pads are not entirely the same, different types of friction pads can be used or replaced according to actual conditions to change or adjust the mechanical characteristics of the friction damping force. This allows for better adaptation to the vibration suppression needs of different garment processing equipment 900 under different operating conditions.

[0054] In one embodiment, please refer to Figure 4 The second damping element 2 includes an annular plate 21, and a second damping surface 2a is formed on the lower surface of the annular plate 21. Specifically, the annular plate 21 is a circular flat plate structure, and the annular plate 21 is located on the upper surface of the end cap 911 of the water tank 91 and can cover the upper surface of the end cap 911.

[0055] In one embodiment, please refer to Figure 5 The first damping element 1 is multiple, and these multiple first damping elements 1 are circumferentially spaced on the upper end face of the water tank 91. Specifically, four friction plates are arranged circumferentially spaced on the upper surface of the end cap 911 of the water tank 91, and the friction plates are fixed to the end cap 911 by screws. That is to say, when the actuator 3 drives the second damping element 2 to slide downward and contact the first damping element 1, the multiple circumferentially spaced first damping elements 1 can ensure that the contact area between the annular plate 21 and the friction plate is large enough. At the same time, compared with a single friction plate with a large structural size, multiple smaller friction plates arranged at intervals are easier to process and assemble, and the levelness of each friction plate can be adjusted separately, reducing the planar fit error between the first damping surface 1a and the second damping surface 2a.

[0056] The annular plate 21 can be a one-piece molded structure with higher overall strength, or it can be a combined structure assembled from multiple structural components. For example, in one embodiment, please refer to... Figure 1 , Figure 4 and Figure 6The annular plate 21 includes multiple arc plates 211, which are arranged sequentially along the circumference to form the annular plate 21. Adjacent arc plates 211 are detachably connected. That is, the number of arc plates 211 can be multiple depending on the manufacturing process. Compared to a one-piece annular plate 21, the manufacturing process is relatively simpler and the cost is lower. For example, in one embodiment, the arc plate 211 is approximately a semi-circular ring, with the circumferential ends of two semi-circular rings interlocking to form the annular plate 21.

[0057] The detachable connection between two adjacent arc plates 211 can be achieved through methods including, but not limited to, threaded connections, snap-fit ​​connections, etc. For example, in one embodiment, please refer to... Figure 4 and Figure 10 The second damping element 2 includes multiple connecting plates 22, and two adjacent arc plates 211 are detachably connected by the connecting plates 22. Specifically, the connecting plate 22 is fan-shaped and overlaps between two adjacent arc plates 211 and is located on the upper end face of the two adjacent arc plates 211. One circumferential end of the connecting plate 22 is connected to one circumferential end of one of the arc plates 211 by a vertical mounting screw, and the other circumferential end of the connecting plate 22 is also connected to one circumferential end of the other arc plate 211 by a vertical mounting screw. In this embodiment, the two arc plates 211 are connected together by a threaded connection using the connecting plate 22, which is convenient to disassemble and reliable in connection. At the same time, the connecting plate 22 can also prevent the two arc plates 211 from being misaligned vertically, ensuring that the two arc plates 211 will not slide relative to each other vertically during operation.

[0058] In one embodiment, please refer to Figure 6 One of two adjacent arc plates 211 has a positioning groove 211a formed at one of its circumferential ends, and the other of the two adjacent arc plates 211 has a locking protrusion 211b formed at one of its circumferential ends. The locking protrusion 211b is embedded in the positioning groove 211a. The locking protrusion 211b and the positioning groove 211a cooperate to facilitate the installation or splicing of the arc plates 211. Specifically, one arc plate 211 has a locking protrusion 211b facing the other arc plate 211 at its circumferential end, and the opposite arc plate 211 has a positioning groove 211a facing the locking protrusion 211b.

[0059] The structural shape of the protrusion 211b and the positioning groove 211a is not limited. In one embodiment, please refer to [reference needed]. Figure 6 The locking protrusion 211b has a semi-circular structure, and the positioning groove 211a is a semi-circular groove that matches the locking protrusion 211b. Compared with other structural shapes, the semi-circular structure locking fit results in a more uniform force distribution on the force-bearing surface of the locking joint between two adjacent arc plates 211. Furthermore, the locking joint provides a certain amount of rotation space, effectively reducing structural fatigue damage caused by stress concentration at the joint during long-term operation of the arc plates 211.

[0060] In one embodiment, please refer to Figure 2 , Figure 4 and Figure 6 The second damping element 2 includes a push plate 23, which is disposed on the outer peripheral surface of the annular plate 21. The actuating component 3 is drivenly connected to the push plate 23. The push plate 23 provides a force application point for the actuating component 3 to drive the second damping element 2, facilitating the actuating component 3 to drive the second damping element 2 to slide in the vertical direction. For example, the number of push plates 23 can be one or more. In one embodiment, two push plates 23 are disposed on the outer peripheral surface of each arc plate 211. The push plates 23 extend radially from the arc plate 211 toward the housing 97. The actuating component 3 drives the second damping element 2 to slide in the vertical direction by connecting to the push plates 23.

[0061] In one embodiment, please refer to Figure 1 , Figure 4 and Figure 8 The actuator 3 includes a piston 31 and a cylinder 32 having a piston chamber 32a. The first end of the piston 31 is slidably disposed within the piston chamber 32a, and the second end of the piston 31 is drivenly connected to a second damping member 2. The piston 31 can drive the second damping member 2 to slide up and down. Specifically, the piston 31 has a pushing stroke and a retracting stroke. In the pushing stroke, the piston 31 extends upward along the axial direction of the cylinder 32, and the second end of the piston 31 drives the second damping member 2 to move upward, so that the second damping surface 2a disengages from the first damping surface 1a. In the retracting stroke, the piston 31 retracts downward along the axial direction of the cylinder 32, and the second end of the piston 31 drives the second damping member 2 to move downward, so that the second damping surface 2a contacts the first damping surface 1a.

[0062] As an example, in one embodiment, please refer to Figure 8 The cylinder body 32 is a hollow cylindrical structure. One axial end of the cylinder body 32 has a flow port 32b, which connects to the piston chamber 32a. Liquid or gaseous media can enter the piston chamber 32a or exit through the flow port 32b. The cylinder body 32 is made of materials including, but not limited to, metal or engineering plastics.

[0063] As an example, in one embodiment, please refer to Figure 8 The piston 31 includes a rod 311 and a plug 312 connected to one end of the rod 311. The two ends of the rod 311 are the first end and the second end of the piston 31. The plug 312 has a cylindrical structure and is located at the first end of the piston 31. The outer contour of the plug 312 fits against the inner wall of the piston cavity 32a and can slide along the axial direction of the cylinder 32. The material of the plug 312 includes, but is not limited to, rubber. Using rubber for the plug 312 can improve sealing performance, reduce the probability of leakage of the medium in the piston cavity 32a from the plug 312, and improve operational reliability.

[0064] In one embodiment, please refer to Figure 4 and Figure 8 The actuator 3 includes a support plate 33 connected to the second end of the piston 31. Both the piston 31 and the cylinder 32 are located on the outer periphery of the second damping member 2. The upper surface of the support plate 33 abuts against the second damping member 2. Specifically, the lower end of the support plate 33 is connected to the second end of the piston 31. During the pushing stroke of the piston 31, the upper surface of the support plate 33 abuts against the lower surface of the push plate 23 and drives the push plate 23 to slide upward. The push plate 23 drives the annular plate 21 to slide upward, so that the second damping member 2 disengages from the first damping member 1, thereby separating the first damping surface 1a from the second damping surface 2a. During the retraction stroke of the piston 31, the push plate 23 slides downward with the piston 31. The second damping member 2 slides downward under its own weight, so that the second damping member 2 abuts against the first damping member 1. The normal force of the second damping surface 2a abutting against the first damping surface 1a in the vertical direction is the weight of the second damping member 2.

[0065] The actuator 3 of this application has a simple structure for driving the second damping element 2. When damping and vibration suppression are not required, the piston 31 drives the support plate 33 to slide upward, thereby lifting the push plate 23 to separate the second damping element 2 from the first damping element 1. When the piston 31 drives the support plate 33 downward, the second damping element 2 can directly slide downward using its own gravity and abut against the first damping element 1. The actuator 3 does not need to consume power to actively drive the second damping element 2 downward.

[0066] In one embodiment, please refer to Figure 1 and Figure 4 The pistons 31 and cylinders 32 are arranged in a one-to-one correspondence, with an even number of cylinders 32. Every two cylinders 32 are arranged along the diagonal of the housing 97 of the garment handling equipment 900. It should be noted that the diagonal direction is the direction of the line connecting two opposite corners of the rectangular top plate or rectangular bottom plate of the housing 97. Specifically, one piston 31, one cylinder 32, and one support plate 33 constitute a set of drive units. The execution component 3 includes multiple sets of drive units. To make full use of the space inside the housing 97, the push plate 23 and the drive units are both located at the corners between the two side walls of the housing 97. For example, a set of drive units is arranged at each of the two corners along the diagonal of the housing 97, and two push plates 23 are respectively arranged above each set of drive units. With this configuration, the pistons 31 of the two drive units can simultaneously share the weight of the second damping element 2. Meanwhile, the center of mass of the second damping element 2 is approximately located at the geometric center of the annular plate 21, i.e., at the center of the ring. Therefore, the resultant force of the pushing force exerted by the two sets of pistons 31 located on the diagonal of the housing 97 on the second damping element 2 can coincide with the center of mass of the second damping element 2, ensuring that the second damping element 2 will not overturn during the pushing.

[0067] Similarly, a set of drive units can be arranged at each of the four corners of the housing 97, which can further ensure that the second damping element 2 will not overturn when it is pushed, and at the same time, the piston 31 on each set of drive units bears a smaller pushing force.

[0068] In one embodiment, please refer to Figure 1 , Figure 2 , Figure 4 and Figure 9 The vibration damping device 100 includes a guide member 4 connected to the housing 97. One of the push plate 23 and the guide member 4 has a guide groove 23a, and the other has a guide rail 4a. The guide rail 4a is slidably embedded in the guide groove 23a in the vertical direction. That is, the push plate 23 and the guide member 4 are slidably connected by the guide rail 4a and the guide groove 23a. If the push plate 23 has a guide rail 4a, then the guide member 4 has a guide groove 23a; if the guide member 4 has a guide rail 4a, then the push plate 23 has a guide groove 23a. For example, the guide member 4 is a vertically oriented rectangular block structure, wherein one side of the rectangular block is fixed to the inner wall of the housing 97, and a vertically extending convex guide rail 4a is formed on the side of the rectangular block facing the push plate 23. The push plate 23 has a guide groove 23a matching the shape of the convex guide rail on the peripheral wall of the rectangular block. The guide groove 23a and guide rail 4a provide auxiliary guidance and limit for the second damping element 2 to slide up and down.

[0069] The guide member 4 can be one or more. For example, in one embodiment, please refer to... Figure 1 , Figure 2 , Figure 4 and Figure 9 A push plate 23 and a guide member 4 constitute a sliding pair. Two sets of sliding pairs are respectively set at the two corners along the diagonal of the housing 97, and a set of sliding pairs is arranged on the two adjacent side walls of each corner. Multiple guide members 4 set on the side walls of the housing 97 can constrain the movement of the second damping member 2 in the horizontal direction, further ensuring that the second damping member 2 can slide smoothly in the vertical direction.

[0070] The structural shape of the guide rail 4a and the guide groove 23a is not limited. In one embodiment, please refer to [reference needed]. Figure 7 and Figure 9 The guide rail 4a is a semi-circular strip-shaped column, and the guide groove 23a is a semi-circular groove that matches the guide rail 4a. Compared with other structural shapes, the sliding surface where the guide rail 4a and the guide groove 23a mate is an arc surface, resulting in more uniform stress distribution. Simultaneously, the guide rail 4a and the guide groove 23a have relative rotational space along the circumferential direction of the arc surface at the sliding connection point, which effectively reduces stress concentration at the sliding connection point and thus reduces structural fatigue damage.

[0071] In one embodiment, please refer to Figure 7 The sidewall of the guide groove 23a has an oil reservoir 23b that opens toward the guide rail 4a; and / or, the sidewall of the guide rail 4a has an oil reservoir 23b that opens toward the guide groove 23a. That is, the oil reservoir 23b can be disposed on the guide rail 4a, on the guide groove 23a, or simultaneously on both. For example, the sidewall of the guide groove 23a is recessed inward to form the oil reservoir 23b, and multiple oil reservoirs 23b are arranged vertically in parallel intervals.

[0072] On the one hand, by adding lubricating oil or grease to the oil reservoir 23b, the frictional resistance of the sliding connection between the guide rail 4a and the guide groove 23a can be reduced, thereby increasing the service life of the guide member 4 and the push plate 23. On the other hand, when the guide rail 4a and the guide groove 23a remain relatively stationary, the lubricant in the oil reservoir 23b will not overflow. Only when the guide rail 4a and the guide groove 23a slide relative to each other can a certain amount of lubricating oil in the oil reservoir 23b be carried out to the sliding surface of the guide rail 4a and the guide groove 23a by the frictional force of the relative sliding of the guide rail 4a and the guide groove 23a, thus reducing the waste of lubricant.

[0073] In one embodiment, please refer to Figure 11 The vibration damping device 100 includes an air passage 5, an air pump 6, and a valve group 7. The air passage 5 connects the air pump 6 and the piston chamber 32a. The valve group 7 is disposed on the air passage 5 and controls the air pump 6 to draw or inject gas from the piston chamber 32a. The piston chamber 32a is used to contain gas, and the air pump 6 provides a power source for the movement of the piston 31 within the piston chamber 32a. In other words, this application uses a pneumatic system to control the movement of the actuator 3. Compared with a hydraulic system, the pneumatic system does not have the problem of oil leakage from the cylinder 32, will not cause oil contamination to other components, has high cleanliness, the piston 31 moves quickly, the control components are simple, and the cost is lower.

[0074] As an example, in one embodiment, please refer to Figure 11 Valve assembly 7 includes a first solenoid valve 71 and a second solenoid valve 72. The first solenoid valve 71 is located on the outlet side 62 of the air pump 6, and the second solenoid valve 72 is located on the inlet side 61 of the air pump 6. Specifically, both the first solenoid valve 71 and the second solenoid valve 72 are two-position three-way valves. Both the first solenoid valve 71 and the second solenoid valve 72 include an inlet 7a, an outlet 1 7b, and an outlet 2 7c. The outlet side 62 of the air pump 6 is connected to the inlet 7a of the first solenoid valve 71 through an air passage 5, and the inlet side 61 of the air pump 6 is connected to the inlet 7a of the second solenoid valve 72 through an air passage 5. The outlet 2 7c of the first solenoid valve 71 and the outlet 1 7b of the second solenoid valve 72 are both connected to the piston chamber 32a of the cylinder 32, and the outlet 1 7b of the first solenoid valve 71 and the outlet 2 7c of the second solenoid valve 72 are connected to the outside.

[0075] Both the first solenoid valve 71 and the second solenoid valve 72 have two operating positions: a first operating position and a second operating position. In the first operating position, inlet 7a is connected to outlet 1 7b, and inlet 7a is disconnected from outlet 2 7c; in the second operating position, inlet 7a is connected to outlet 2 7c, and inlet 7a is disconnected from outlet 1 7b.

[0076] During the pushing stroke of piston 31, both the first solenoid valve 71 and the second solenoid valve 72 are in the second working position. The air intake side 61 of air pump 6 draws in air from the outside through the inlet 7a of the second solenoid valve 72 and the outlet 7c of the second solenoid valve 72. The air from the outlet side 62 of air pump 6 is injected into the piston chamber 32a of cylinder 32 through the inlet 7a and the outlet 7c of the first solenoid valve 71. The air pressure in the piston chamber 32a is greater than the atmospheric pressure. Piston 31 slides upward along the axial direction of cylinder 32. Support plate 33 slides upward with piston 31 and abuts against the lower end face of push plate 23 so that the second damping member 2 disengages from the first damping member 1.

[0077] During the retraction stroke of piston 31, both the first solenoid valve 71 and the second solenoid valve 72 are in the first working position. The air intake side 61 of air pump 6 draws air from the piston chamber 32a of cylinder 32 through the inlet 7a and outlet 7b of the second solenoid valve 72. The air from the outlet side 62 of air pump 6 is discharged to the outside through the inlet 7a and outlet 7b of the first solenoid valve 71. The air pressure in piston chamber 32a is less than atmospheric pressure. Piston 31 slides downward along the axial direction of cylinder 32. The second damping member 2 slides downward under its own weight so that the second damping member 2 abuts against the first damping member 1.

[0078] In one embodiment, please refer to Figure 1 and Figure 2 The garment processing equipment 900 includes a hanging rod bracket 96 fixed to any corner of the housing 97, with the upper end of the hanging rod 92 connected to the hanging rod bracket 96. Specifically, the hanging rod bracket 96 is located at the four corners of the upper part of the housing 97, and the upper end of the hanging rod 92 is fixed to the housing 97 through the hanging rod bracket 96. The connection between the hanging rod 92 and the hanging rod bracket 96 includes, but is not limited to, universal joint connection methods such as spherical fit connection, planar hinge connection, and spherical hinge connection. This ensures that the upper end of the hanging rod 92 can rotate along a plane or sphere with the hanging rod bracket 96 as the connection point, thereby allowing the water tank 91 suspended from the lower end of the hanging rod 92 to have a certain degree of freedom of vibration.

[0079] In one embodiment, please refer to Figure 3The garment handling equipment 900 includes a damping cylinder 93, a base 94 located at the lower end of a suspension rod 92, and a vibration damping spring 95. The vibration damping spring 95 passes through the suspension rod 92 and is sandwiched between the damping cylinder 93 and the base 94. A connecting groove 912 is formed on the outer peripheral wall of the lower part of the water tank 91, and the connecting groove 912 is sleeved on the damping cylinder 93. Specifically, the damping cylinder 93 is sleeved on the suspension rod 92, and the vibration damping spring 95 is a compression spring. The lower end of the damping cylinder 93 abuts against one end of the vibration damping spring 95, and the other end of the vibration damping spring 95 abuts against the base 94. The peripheral side wall of the water tank 91 is provided with a connecting groove 912 for connecting the suspension rod 92. The water tank 91 is hung on the upper end face of the damping cylinder 93 through the connecting groove 912, so that the suspension rod 92 can support the water tank 91.

[0080] In one embodiment, each of the four booms 92 is equipped with its own damping cylinder 93, vibration damping spring 95, and base support 94. The damping cylinder 93, vibration damping spring 95, and base support 94 on each boom 92 are independently and evenly distributed around the water tank 91 to share the weight of the water tank 91 in the vertical direction and suppress the vertical vibration of the water tank 91 during operation.

[0081] Clothing processing equipment 900 includes, but is not limited to, top-loading washing machines, spin dryers, etc.

[0082] The various embodiments / implementations provided in this application can be combined with each other without creating contradictions. The above descriptions are merely preferred embodiments of this application and are not intended to limit this application. For those skilled in the art, this application can have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A vibration damping device, characterized in that, include: A first damping element is used to connect to the upper end face of the water tank of the clothing processing equipment, and a first damping surface is formed on the upper surface of the first damping element. The second damping element is located above the first damping element, and a second damping surface is formed on the lower surface of the second damping element. The second damping element includes a push plate. An execution component, which is driven and connected to the push plate, is used to drive the second damping member to slide in the up-down direction so that the second damping surface can contact or detach from the first damping surface.

2. The vibration damping device according to claim 1, characterized in that, The second damping element includes an annular plate, and the lower surface of the annular plate is formed with the second damping surface.

3. The vibration damping device according to claim 2, characterized in that, The annular plate includes multiple arc plates, which are arranged sequentially along the circumference to form the annular plate. Adjacent arc plates can be detachably connected.

4. The vibration damping device according to claim 3, characterized in that, The second damping element includes multiple connecting plates, and two adjacent arc plates are detachably connected through the connecting plates.

5. The vibration damping device according to claim 3, characterized in that, One of the two adjacent arc plates has a positioning groove formed at its circumferential end, and the other of the two adjacent arc plates has a locking protrusion formed at its circumferential end, the locking protrusion being embedded in the positioning groove.

6. The vibration damping device according to claim 2, characterized in that, The pusher plate is disposed on the outer circumferential surface of the annular plate.

7. The vibration damping device according to claim 6, characterized in that, The vibration damping device includes a guide member connected to the housing of the garment processing equipment. One of the push plate and the guide member forms a guide groove, and the other of the push plate and the guide member forms a guide rail. The guide rail is slidably embedded in the guide groove in the vertical direction.

8. The vibration damping device according to claim 7, characterized in that, The sidewall of the guide groove is formed with an oil reservoir opening toward the guide rail; and / or, the sidewall of the guide rail is formed with an oil reservoir opening toward the guide groove.

9. The vibration damping device according to claim 1, characterized in that, The number of the first damping elements is multiple, and the multiple first damping elements are arranged circumferentially at intervals on the upper end surface of the water tank.

10. The vibration damping device according to claim 1, characterized in that, The actuating component includes a piston and a cylinder having a piston chamber. The first end of the piston is slidably disposed within the piston chamber in a sealed manner, and the second end of the piston is drivenly connected to the second damping element. The piston is capable of driving the second damping element to slide up and down.

11. The vibration damping device according to claim 10, characterized in that, The actuating component includes a support plate connected to the second end of the piston, both the piston and the cylinder are located on the outer periphery of the second damping member, and the upper surface of the support plate abuts against the second damping member.

12. The vibration damping device according to claim 10, characterized in that, The vibration damping device includes an air passage, an air pump, and a valve group. The air passage connects the air pump and the piston chamber. The valve group is located on the air passage and controls the air pump to draw or inject gas from the piston chamber.

13. The vibration damping device according to claim 12, characterized in that, The valve assembly includes a first solenoid valve and a second solenoid valve. The first solenoid valve is located on the outlet side of the air pump, and the second solenoid valve is located on the inlet side of the air pump.

14. The vibration damping device according to claim 10, characterized in that, The pistons and cylinders are arranged in a one-to-one correspondence, and the number of cylinders is even. Every two cylinders are arranged along the diagonal of the housing of the clothing processing equipment.

15. A garment processing device, characterized in that, include: Box; A water container is located inside the box. A boom is located inside the box, with its upper end fixed to the box and its lower end fixed to the water tank. The vibration damping device according to any one of claims 1 to 14, wherein the first damping member is connected to the upper end face of the water tank, and the actuating component is connected to the housing.

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