Hanging device and washing machine containing it

Abstract

This utility model provides a suspension device and a washing machine including the same. The suspension device includes a first bracket, a second bracket, and an elastic support assembly. The elastic support assembly includes a first mounting part, a second mounting part, and an elastic support part. The elastic support part is disposed between the first mounting part and the second mounting part. The end of the first mounting part away from the elastic support part is connected to the second end of the first bracket through a shaft hole engagement. The end of the second mounting part away from the elastic support part is connected to the second end of the second bracket through a shaft hole engagement. The aforementioned shaft hole engagement provides good axial positioning between the suspension device and the drum and the casing, and the suspension device achieves dual axial positioning with the drum and the casing, resulting in a better positioning effect.

Description

Technical Field

[0001] This utility model relates to the field of washing machines, and in particular to a hanging device and a washing machine including the same. Background Technology

[0002] In traditional washing machines, the outer drum is connected to the casing via suspension springs and vibration dampers. The suspension springs act as elastic elements to isolate vibrations, while the vibration dampers primarily function as damping elements to attenuate vibrations. The combination of vibration dampers and suspension springs plays a significant role in isolating vibrations from the outer drum to the casing, while also reducing and attenuating the vibration amplitude of the outer drum. It is a core component of the washing machine.

[0003] However, the operating conditions of washing machines vary greatly at different stages of operation, and traditional suspension systems have the following problems:

[0004] 1) Suspension springs and vibration dampers are generally distributed at the upper and lower ends of the cylinder and connected to the housing. Overall, the structure is not compact enough, occupies a large amount of internal space in the housing, and affects the arrangement of other components. At the same time, in traditional suspension systems, vibration isolation and vibration attenuation each require a component to achieve the function (suspension spring and vibration damper), resulting in a large number of components and complexity.

[0005] 2) Traditional suspension systems, especially those that make up the shock absorbers, have many components, and both ends are connected to the cylinder and box body by pins. The relative movement between the connecting parts under dehydration conditions will generate structural noise, which is not conducive to the noise reduction of the whole machine.

[0006] 3) The axial positioning effect of the suspension device on the cylinder or box is poor. Utility Model Content

[0007] The technical problem to be solved by this utility model is to overcome the defect of poor axial positioning effect between the existing suspension device and the drum or box, and to provide a suspension device and a washing machine including the same.

[0008] The present invention solves the above-mentioned technical problems through the following technical solution:

[0009] A suspension device for suspending the drum of a washing machine from the casing of the washing machine, the suspension device comprising:

[0010] The first bracket, the first end of the first bracket is used to connect to the box body;

[0011] The second support, the first end of which is used to connect to the cylinder;

[0012] The elastic support assembly is made of elastic material and includes a first mounting part, a second mounting part, and an elastic support part. The elastic support part is disposed between the first mounting part and the second mounting part. The end of the first mounting part away from the elastic support part is connected to the second end of the first bracket through a shaft hole engagement. The end of the second mounting part away from the elastic support part is connected to the second end of the second bracket through a shaft hole engagement.

[0013] In this design, the elastic support component is made of elastic material, which is beneficial for supporting and cushioning the cylinder. The elastic support is positioned between the first mounting part and the second mounting part, enabling the elastic support to work stably. Furthermore, the end of the first mounting part away from the elastic support is connected to the second end of the first bracket through a shaft hole fit, and the end of the second mounting part away from the elastic support is connected to the second end of the second bracket through a shaft hole fit. The aforementioned shaft hole fit ensures good axial positioning of the suspension device with the cylinder and the box, and the suspension device achieves dual axial positioning with the cylinder and the box, resulting in accurate positioning and a good positioning effect.

[0014] Preferably, the first bracket includes an extension plate and an extension shaft. The extension plate is used to connect to the box and extend into the cylinder. The extension shaft is disposed on the extension plate. The first mounting part has a first mounting groove that penetrates the first mounting part in the front-rear direction of the cylinder.

[0015] The second bracket includes a first extension and a second extension. The second mounting part has a second mounting groove that penetrates the second mounting part in the front-rear direction of the cylinder. The first end of the first extension is connected to the outer wall of the cylinder. The second end of the first extension extends outward in an arc shape. The first end of the second extension is connected to the second end of the first extension. The second end of the second extension extends from the rear of the cylinder to the front of the cylinder.

[0016] In this design, the extension plate allows the extension shaft to be close to the first mounting groove, facilitating shaft-hole mating between the extension shaft and the first mounting groove. The mating area between the extension shaft and the shaft hole of the first mounting groove is large, resulting in a stable fit. Similarly, the first extension ensures that the extension direction of the second extension is consistent with the second mounting groove; the mating area between the second extension and the shaft hole of the second mounting groove is also large, ensuring a stable fit. In short, the aforementioned shaft hole arrangement allows the elastic support assembly to be stably installed between the first and second supports.

[0017] Preferably, the first mounting part has a first positioning part, and the first bracket has a first positioning mating part adapted to the first positioning part;

[0018] The second mounting part has a second positioning part, and the second bracket has a second positioning mating part that is adapted to the second positioning part.

[0019] In this solution, the first positioning part and the first positioning mating part are adapted to determine the specific installation positions of the first mounting part and the first bracket, and the second positioning part and the second positioning mating part are adapted to determine the specific installation positions of the second mounting part and the second bracket; that is to say, the above arrangement can accurately position the suspension device axially.

[0020] Preferably, the first positioning part is a first positioning hole, and the first positioning mating part is a first positioning mating hole; the second positioning part is a second positioning hole, and the second positioning mating part is a second positioning mating hole.

[0021] The first positioning hole and the first positioning mating hole are connected by fastener threads, and the second positioning hole and the second positioning mating hole are also connected by fastener threads.

[0022] In this solution, the first positioning hole and the first positioning mating hole are connected by fastener threads, and the second positioning hole and the second positioning mating hole are also connected by fastener threads to improve the accuracy and stability of positioning.

[0023] Preferably, the first bracket includes an extension plate and an extension shaft. The extension plate is used to connect to the housing and extend into the cylinder. The extension shaft is disposed on the extension plate. The first mounting part has a first mounting groove that penetrates the first mounting part in the front-rear direction of the cylinder. The first positioning hole penetrates the upper wall of the first mounting groove. The first positioning mating hole is opened on the extension shaft at a position that matches the first positioning hole.

[0024] In this design, the first positioning hole penetrates the upper wall of the first mounting groove, and the first positioning mating hole is opened on the extension shaft at a position that matches the first positioning hole, so as to facilitate the shaft hole mating between the extension shaft and the first mounting groove, thereby realizing the function of axial positioning of the suspension device and the housing.

[0025] Preferably, the second support includes a first extension and a second extension, and the second mounting part has a second mounting groove that penetrates the second mounting part in the front-rear direction of the cylinder. The first end of the first extension is connected to the outer wall of the cylinder, the second end of the first extension extends outward in an arc shape, the first end of the second extension is connected to the second end of the first extension, and the second end of the second extension extends from the rear of the cylinder to the front of the cylinder.

[0026] The second positioning hole penetrates through the upper wall of the second mounting groove, and the first positioning hole is opened on the second extension at a position that matches the second positioning hole.

[0027] In this design, the second positioning hole penetrates the upper wall of the second mounting groove, and the first positioning hole is opened on the second extension at a position that matches the second positioning hole, so as to facilitate the shaft of the extension shaft to engage with the first mounting groove to achieve the function of axial positioning of the suspension device and the cylinder.

[0028] Preferably, when the extension shaft mates with the first mounting groove, the first mounting portion abuts against the extension plate and fits against the extension plate.

[0029] In this design, the first mounting part abuts against and fits against the extension plate, so that the elastic support component is stably mounted on the first bracket to avoid shaking. At the same time, this arrangement also makes the fit between the extension shaft and the first mounting groove more stable, and the positioning of the first positioning hole and the first positioning mating hole more accurate.

[0030] Preferably, the second end of the extension shaft has a rounded corner, and the first mounting groove also has a rounded corner to accommodate the installation of the extension shaft.

[0031] The rounded corners mentioned above make the fit between the extension shaft and the first mounting groove smoother. In addition, it also reduces stress and avoids damage to the first mounting groove.

[0032] Preferably, the first mounting part, the second mounting part, and the elastic support part are integrally formed; and / or, the elastic support part has an elastic support groove that penetrates the elastic support part in the front-rear direction of the cylinder, and the elastic support groove is a polygonal groove.

[0033] In this solution, the aforementioned one-piece molding design saves space occupied by the suspension device; in addition, the one-piece molded components are generally not easily damaged or broken into several parts when subjected to gravity; furthermore, the elastic support part has an elastic support groove that runs through the elastic support part in the front-rear direction of the cylinder, which makes the elastic support part have low stiffness and good vibration isolation effect; the elastic support groove is a polygonal groove, that is, the elastic support part has more support parts, which improves the load-bearing capacity of the suspension device.

[0034] This utility model also includes a washing machine, which comprises a cabinet, a drum, and the aforementioned suspension device.

[0035] The container comprises multiple cylindrical sections, each suspended from the housing by a suspension device; or,

[0036] There are multiple cylinders, and adjacent cylinders are connected to each other. The two cylinders at both ends are suspended from the box by a suspension device.

[0037] In this design, adjacent cylinders are interconnected, and both cylinders at both ends are suspended from the box body by a suspension device, meaning that the suspension device can withstand a large amount of gravity.

[0038] The positive and progressive effects of this utility model are as follows: the elastic support component is made of elastic material, which is beneficial for supporting and buffering the cylinder; the elastic support part is located between the first mounting part and the second mounting part, so that the elastic support part can work stably; in addition, the end of the first mounting part away from the elastic support part is connected to the second end of the first bracket through a shaft hole fit, and the end of the second mounting part away from the elastic support part is connected to the second end of the second bracket through a shaft hole fit; the above-mentioned shaft hole fit makes the axial positioning effect of the suspension device with the cylinder and the box good, and the suspension device with the cylinder and the box provides double axial positioning, which is accurate and has a good positioning effect. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the structure of a washing machine according to an embodiment of the present invention.

[0040] Figure 2 This is a schematic diagram of the internal structure of a suspension device according to an embodiment of the present invention.

[0041] Figure 3 This is a schematic diagram of the structure of an elastic support component according to an embodiment of the present invention.

[0042] Figure 4 This is a schematic diagram of the structure of the first support according to an embodiment of the present invention.

[0043] Figure 5 This is a schematic diagram of the structure of the second support according to an embodiment of the present invention.

[0044] Figure 6 This is an embodiment of the present utility model. Figure 5 A magnified view of a portion of the image.

[0045] Explanation of reference numerals in the attached figures:

[0046] Suspension device 100

[0047] First support 1

[0048] Extension plate 11

[0049] Extension shaft 12

[0050] First positioning hole 13

[0051] Second support 2

[0052] First extension 21

[0053] Second extension 22

[0054] Second positioning hole 23

[0055] Elastic support component 3

[0056] First Installation Section 31

[0057] First positioning hole 311

[0058] First mounting slot 312

[0059] Second installation section 32

[0060] Second positioning hole 321

[0061] Second mounting slot 322

[0062] Elastic support part 33

[0063] Elastic support groove 331

[0064] Washing machine 200

[0065] 300 box

[0066] 400 cylinder Detailed Implementation

[0067] The present invention will be further described below with reference to the accompanying drawings and by way of embodiments, but the present invention is not limited to the scope of the embodiments thereon.

[0068] like Figure 1-6 As shown, this embodiment provides a suspension device 100, which is used to suspend the drum 400 of the washing machine 200 from the casing 300 of the washing machine 200. The suspension device 100 includes:

[0069] First bracket 1, the first end of the first bracket 1 is used to connect the box 300;

[0070] The second bracket 2, the first end of the second bracket 2 is used to connect the cylinder 400;

[0071] The elastic support component 3 is made of elastic material and includes a first mounting part 31, a second mounting part 32 and an elastic support part 33. The elastic support part 33 is disposed between the first mounting part 31 and the second mounting part 32. The end of the first mounting part 31 away from the elastic support part 33 is connected to the second end of the first bracket 1 through a shaft hole engagement. The end of the second mounting part 32 away from the elastic support part 33 is connected to the second end of the second bracket 2 through a shaft hole engagement.

[0072] In this embodiment, the elastic support component 3 is made of elastic material, which is beneficial for supporting and buffering the cylinder 400. The elastic support part 33 is disposed between the first mounting part 31 and the second mounting part 32, so that the elastic support part 33 can work stably. In addition, the end of the first mounting part 31 away from the elastic support part 33 is connected to the second end of the first bracket 1 through a shaft hole engagement, and the end of the second mounting part 32 away from the elastic support part 33 is connected to the second end of the second bracket 2 through a shaft hole engagement. The above-mentioned shaft hole engagement makes the axial positioning effect of the suspension device 100 with the cylinder 400 and the box 300 good, and the suspension device 100 with the cylinder 400 and the box 300 is doubly axially positioned, with accurate positioning and good positioning effect.

[0073] It should be noted that when the washing machine 200 is in the washing mode, the drum 400 is very heavy, and the second end of the elastic support component 3 is far away from the first end of the elastic support component 3; when the washing machine 200 is in the washing mode, the drum 400 is light, and the second end of the elastic support component 3 is closer to the first end of the elastic support component 3 relative to the washing mode.

[0074] like Figure 1-4 As shown, the first bracket 1 includes an extension plate 11 and an extension shaft 12. The extension plate 11 is used to connect to the box 300 and extend to the cylinder 400. The extension shaft 12 is disposed on the extension plate 11. The first mounting part 31 has a first mounting groove 312 that penetrates the first mounting part 31 in the front-rear direction of the cylinder 400.

[0075] The second bracket 2 includes a first extension 21 and a second extension 22. The second mounting part 32 has a second mounting groove 322 that penetrates the second mounting part 32 in the front-rear direction of the cylinder 400. The first end of the first extension 21 is connected to the outer wall of the cylinder 400, the second end of the first extension 21 extends outward in an arc shape, the first end of the second extension 22 is connected to the second end of the first extension 21, and the second end of the second extension 22 extends from the rear of the cylinder 400 to the front of the cylinder 400.

[0076] In this embodiment, the extension plate 11 allows the extension shaft 12 to be close to the first mounting groove 312, facilitating shaft hole mating between the extension shaft 12 and the first mounting groove 312. The mating area between the extension shaft 12 and the shaft hole of the first mounting groove 312 is large, resulting in a stable fit. Similarly, the extension direction of the second extension 22 is aligned with the second mounting groove 322, and the mating area between the second extension 22 and the shaft hole of the second mounting groove 322 is also large, ensuring a stable fit. In summary, the aforementioned shaft hole arrangement allows the elastic support assembly 3 to be stably installed between the first bracket 1 and the second bracket 2.

[0077] It should be noted that the first mounting groove 312 in the first mounting part 31 can exchange positions with the extension plate 11 and the extension shaft 12 in the first bracket 1 to achieve shaft hole fit; similarly, the second mounting groove 322 in the second mounting part 32 can exchange positions with the first extension 21 and the second extension 22 in the second bracket 2 to achieve shaft hole fit.

[0078] like Figure 1-6 As shown, the first mounting part 31 has a first positioning part, and the first bracket 1 has a first positioning mating part adapted to the first positioning part;

[0079] The second mounting part 32 has a second positioning part, and the second bracket 2 has a second positioning mating part adapted to the second positioning part.

[0080] In this embodiment, the first positioning part and the first positioning mating part are adapted to determine the specific installation positions of the first mounting part 31 and the first bracket 1, and the second positioning part and the second positioning mating part are adapted to determine the specific installation positions of the second mounting part 32 and the second bracket 2; that is to say, the above arrangement can accurately position the suspension device 100 axially.

[0081] It should be noted that the first positioning part may not be provided on the first mounting part 31, and the second positioning part may not be provided on the second mounting part 32. The positions of the first positioning part and the second positioning part can be adapted to the first positioning mating part and the second positioning mating part, respectively.

[0082] like Figure 1-6 As shown, the first positioning part is the first positioning hole 311, and the first positioning mating part is the first positioning mating hole 13; the second positioning part is the second positioning hole 321, and the second positioning mating part is the second positioning mating hole 23;

[0083] The first positioning hole 311 and the first positioning mating hole 13 are connected by fastener threads, and the second positioning hole 321 and the second positioning mating hole 23 are also connected by fastener threads.

[0084] In this embodiment, the first positioning hole 311 and the first positioning mating hole 13 are connected by fastener threads, and the second positioning hole 321 and the second positioning mating hole 23 are also connected by fastener threads to improve the accuracy and stability of positioning.

[0085] It should be noted that the above-mentioned fastener threaded connection method can also be replaced by a locating pin connection.

[0086] like Figure 4As shown, the first bracket 1 includes an extension plate 11 and an extension shaft 12. The extension plate 11 is used to connect to the housing 300 and extend to the cylinder 400. The extension shaft 12 is disposed on the extension plate 11. The first mounting part 31 has a first mounting groove 312 that penetrates the first mounting part 31 in the front-rear direction of the cylinder 400. The first positioning hole 311 penetrates the upper wall of the first mounting groove 312. The first positioning mating hole 13 is opened on the extension shaft 12 at a position that matches the first positioning hole 311.

[0087] In this embodiment, the first positioning hole 311 penetrates the upper wall of the first mounting groove 312, and the first positioning mating hole 13 is opened on the extension shaft 12 at a position that matches the first positioning hole 311, so as to facilitate the shaft hole mating between the extension shaft 12 and the first mounting groove 312, so as to realize the function of axial positioning of the suspension device 100 and the housing 300.

[0088] It should be noted that the first positioning hole 311 and the first positioning mating hole 13 are located at the expected axial positions of the housing 300 and the suspension device 100.

[0089] like Figure 5 As shown, the second bracket 2 includes a first extension 21 and a second extension 22. The second mounting part 32 has a second mounting groove 322 that penetrates the second mounting part 32 in the front-rear direction of the cylinder 400. The first end of the first extension 21 is connected to the outer wall of the cylinder 400, the second end of the first extension 21 extends outward in an arc shape, the first end of the second extension 22 is connected to the second end of the first extension 21, and the second end of the second extension 22 extends from the rear of the cylinder 400 to the front of the cylinder 400.

[0090] The second positioning hole 321 penetrates the upper wall of the second mounting groove 322, and the first positioning hole 311 is opened on the second extension 22 at a position that matches the second positioning hole 321.

[0091] In this embodiment, the second positioning hole 321 penetrates the upper wall of the second mounting groove 322, and the first positioning hole 311 is opened on the second extension 22 at a position that matches the second positioning hole 321, so as to facilitate the shaft shaft 12 to engage with the first mounting groove 312 to realize the function of axial positioning of the suspension device 100 and the cylinder 400.

[0092] It should be noted that the second positioning hole 321 and the second positioning mating hole 23 are located at the expected axial positions of the cylinder 400 and the suspension device 100.

[0093] like Figure 1-6 As shown, when the extension shaft 12 is engaged with the first mounting groove 312, the first mounting part 31 abuts against the extension plate 11 and fits against the extension plate 11.

[0094] In this embodiment, the first mounting part 31 abuts against the extension plate 11 and fits against the extension plate 11 so that the elastic support component 3 is stably mounted on the first bracket 1 to avoid shaking. At the same time, this arrangement also makes the engagement between the extension shaft 12 and the first mounting groove 312 more stable, and the positioning of the first positioning hole 311 and the first positioning mating hole 13 is also more accurate.

[0095] It should be noted that when the first positioning hole 311 and the first positioning mating hole 13 are connected by fastener threads, the first mounting part 31 abuts against the extension plate 11.

[0096] like Figures 3-4 As shown, the second end of the extension shaft 12 has a rounded corner, and the first mounting groove 312 also has a rounded corner to accommodate the installation of the extension shaft 12.

[0097] The rounded corners make the fit between the extension shaft 12 and the first mounting groove 312 smoother. In addition, it reduces stress and avoids damage to the first mounting groove 312.

[0098] like Figure 3 As shown, the first mounting part 31, the second mounting part 32 and the elastic support part 33 are integrally formed; and / or, the elastic support part 33 is provided with an elastic support groove 331 that penetrates the elastic support part 33 in the front-rear direction of the cylinder 400, and the elastic support groove 331 is a polygonal groove.

[0099] In this embodiment, the one-piece design saves space occupied by the suspension device 100; in addition, the one-piece component is generally not easily damaged or broken into several parts when subjected to gravity; furthermore, the elastic support part 33 has an elastic support groove 331 that penetrates through the elastic support part 33 in the front-rear direction of the cylinder 400, which makes the elastic support part 33 have low stiffness and good vibration isolation effect; the elastic support groove 331 is a polygonal groove, that is, the elastic support part 33 has more support parts, which improves the load-bearing capacity of the suspension device 100.

[0100] It should be noted that the size of the elastic support groove 331 is larger than the size of the first mounting groove 312 and the size of the second mounting groove 322.

[0101] This utility model also includes a washing machine 200, which includes a cabinet 300, a drum 400, and the aforementioned hanging device 100.

[0102] There are multiple cylinders 400, each cylinder 400 is suspended from the box 300 by a suspension device 100; or,

[0103] There are multiple cylinders 400, and adjacent cylinders 400 are connected to each other. The two cylinders 400 at both ends are suspended from the box 300 by the suspension device 100.

[0104] In this embodiment, such as Figure 1 As shown, the washing machine 200 has two drums 400 connected together, and each drum 400 is suspended from the cabinet 300 by a suspension device 100. Specifically, the side walls of the drums 400 are suspended from the inner wall of the cabinet 300 by the suspension device 100.

[0105] In other embodiments, the washing machine 200 may have three or more drums 400; adjacent drums 400 are connected to each other, and the two drums 400 at both ends are suspended from the cabinet 300 by the suspension device 100, that is to say, the suspension device 100 can withstand a large amount of gravity.

[0106] The washing machine 200 can be controlled by a voice module, which is equipped with a controller, a voice receiving module, and a voice parsing module. The voice receiving module receives user commands, and the voice parsing module parses the commands. Based on the parsed commands, the controller controls the washing machine 200 to perform corresponding operations, thereby realizing intelligent control of the washing machine 200 and improving the user experience.

[0107] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0108] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A suspension device for suspending the drum of a washing machine from the casing of the washing machine, characterized in that, The suspension device includes: A first bracket, the first end of which is used to connect to the housing; The second bracket, the first end of which is used to connect to the cylinder; An elastic support assembly, made of elastic material, includes a first mounting part, a second mounting part, and an elastic support part. The elastic support part is disposed between the first mounting part and the second mounting part. The end of the first mounting part away from the elastic support part is connected to the second end of the first bracket through a shaft hole engagement. The end of the second mounting part away from the elastic support part is connected to the second end of the second bracket through a shaft hole engagement.

2. The suspension device as described in claim 1, characterized in that, The first bracket includes an extension plate and an extension shaft. The extension plate is used to connect to the box and extend to the cylinder. The extension shaft is disposed on the extension plate. The first mounting part has a first mounting groove that penetrates the first mounting part in the front-rear direction of the cylinder. The second bracket includes a first extension and a second extension. The second mounting part has a second mounting groove that penetrates the second mounting part in the front-rear direction of the cylinder. The first end of the first extension is connected to the outer wall of the cylinder. The second end of the first extension extends outward in an arc shape. The first end of the second extension is connected to the second end of the first extension. The second end of the second extension extends from the rear of the cylinder to the front of the cylinder.

3. The suspension device as described in claim 1, characterized in that, The first mounting part has a first positioning part, and the first bracket has a first positioning mating part adapted to the first positioning part; The second mounting part has a second positioning part, and the second bracket has a second positioning mating part adapted to the second positioning part.

4. The suspension device as described in claim 3, characterized in that, The first positioning part is a first positioning hole, and the first positioning mating part is a first positioning mating hole; the second positioning part is a second positioning hole, and the second positioning mating part is a second positioning mating hole; The first positioning hole and the first positioning mating hole are connected by fastener threads, and the second positioning hole and the second positioning mating hole are also connected by fastener threads.

5. The suspension device as described in claim 4, characterized in that, The first bracket includes an extension plate and an extension shaft. The extension plate is used to connect to the housing and extend to the cylinder. The extension shaft is disposed on the extension plate. The first mounting part has a first mounting groove that penetrates the first mounting part in the front-rear direction of the cylinder. The first positioning hole penetrates the upper wall of the first mounting groove. The first positioning mating hole is opened on the extension shaft at a position that matches the first positioning hole.

6. The suspension device as described in claim 4, characterized in that, The second bracket includes a first extension and a second extension. The second mounting part has a second mounting groove that penetrates the second mounting part in the front-rear direction of the cylinder. The first end of the first extension is connected to the outer wall of the cylinder. The second end of the first extension extends outward in an arc shape. The first end of the second extension is connected to the second end of the first extension. The second end of the second extension extends from the rear of the cylinder to the front of the cylinder. The second positioning hole extends through the upper wall of the second mounting groove, and the first positioning hole is located on the second extension at a position that matches the second positioning hole.

7. The suspension device as claimed in claim 2, characterized in that, When the extension shaft mates with the first mounting groove, the first mounting part abuts against the extension plate and fits against the extension plate.

8. The suspension device as described in claim 2, characterized in that, The second end of the extension shaft has a rounded corner, and the first mounting groove also has a rounded corner to accommodate the installation of the extension shaft.

9. The suspension device as claimed in claim 1, characterized in that, The first mounting part, the second mounting part, and the elastic support part are integrally formed; and / or, the elastic support part is provided with an elastic support groove penetrating the elastic support part in the front-rear direction of the cylinder, and the elastic support groove is a polygonal groove.

10. A washing machine, characterized in that, The washing machine includes a cabinet, a drum, and a suspension device as described in any one of claims 1-9; There are multiple cylindrical bodies, each of which is suspended from the box body by the suspension device; or, There are multiple cylinders, and adjacent cylinders are connected to each other. The two cylinders at both ends are suspended from the box body by the suspension device.

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