CN216738934U - Drum washing machine - Google Patents

Abstract

The present invention relates to a drum washing machine, comprising: a frame; the first outer cylinder is arranged in the frame and comprises a first front outer cylinder and a first rear outer cylinder connected with the first front outer cylinder; the second outer cylinder is arranged in the frame and positioned on the upper side of the first outer cylinder, and comprises a second front outer cylinder and a second rear outer cylinder connected with the second front outer cylinder; more than two first shock absorbers are respectively arranged at the left side and the right side of the first outer barrel, at least two first shock absorbers are third shock absorbers, the first end of each third shock absorber is connected with the frame, and the second end of each third shock absorber is connected with the first rear outer barrel. According to the utility model, the rear outer cylinder of the first outer cylinder is provided with the shock absorber, so that the rear part of the first outer cylinder is supported, and the running stability of the drum washing machine is improved.

Description

Drum washing machine

Technical Field

The utility model relates to the technical field of household appliances, in particular to a drum washing machine.

Background

With the continuous progress of science and technology, household appliances are increasingly updated. For example, drum washing machines have been receiving attention for advantages such as no entanglement and less abrasion during washing of laundry, and water saving.

The outer drum of the drum washing machine is supported in the frame, the driving motor positioned at the rear side of the outer drum is a main stress source of the outer drum, and in the related technology, the outer drum is not stably supported and is easy to shake.

SUMMERY OF THE UTILITY MODEL

To overcome the problems of the related art, the present invention provides a drum washing machine.

The drum washing machine provided by the utility model comprises: a frame; the first outer cylinder is arranged in the frame and comprises a first front outer cylinder and a first rear outer cylinder connected with the first front outer cylinder; the second outer cylinder is arranged in the frame and positioned on the upper side of the first outer cylinder, and comprises a second front outer cylinder and a second rear outer cylinder connected with the second front outer cylinder; the first shock absorbers are arranged on the left side and the right side of the first outer barrel respectively, the first shock absorbers are at least two third shock absorbers, the first ends of the third shock absorbers are connected to the frame, and the second ends of the first shock absorbers are connected to the first rear outer barrel.

In some embodiments, in the circumferential direction of the first outer cylinder, the second end of the first damper on one side of the first outer cylinder is disposed in a range greater than 90 degrees and less than 180 degrees, and the second end of the first damper on the other side of the first outer cylinder is disposed in a range greater than 180 degrees and less than 270 degrees, along a clockwise direction, wherein the 0 degree coincides with the longitudinal centerline of the first outer cylinder and points upward.

In some embodiments, the second end of the first damper of one side of the first outer cylinder is disposed in a range of 120 degrees to 150 degrees and the second end of the first damper of the other side of the first outer cylinder is disposed in a range of 210 degrees to 240 degrees in a clockwise direction in a circumferential direction of the first outer cylinder.

In some embodiments, further comprising: more than two second shock absorbers are respectively arranged at the left side and the right side of the second outer barrel, at least two second shock absorbers are fourth shock absorbers, the first end of each fourth shock absorber is connected with the frame, and the second end of each fourth shock absorber is connected with the second rear outer barrel.

In some embodiments, in a circumferential direction of the second outer cylinder, the second end of the second damper on one side of the second outer cylinder is disposed in a range of more than 90 degrees and less than 180 degrees, and the second end of the second damper on the other side of the second outer cylinder is disposed in a range of more than 180 degrees and less than 270 degrees, along a clockwise direction, wherein the 0 degree coincides with a longitudinal centerline of the second outer cylinder and is directed upward.

In some embodiments, the second end of the second damper of one side of the second outer cylinder is disposed in a range of 120 degrees to 150 degrees and the second end of the second damper of the other side of the second outer cylinder is disposed in a range of 210 degrees to 240 degrees in a clockwise direction in a circumferential direction of the second outer cylinder.

In some embodiments, further comprising: the first end of the first shock absorber is pivoted to the first reinforcing piece; and/or a second stiffening member disposed on the frame, the first end of the second shock absorber being pivotally connected to the second stiffening member.

In some embodiments, the first stiffener is disposed on a bottom beam or a bottom plate of the frame; and/or the second reinforcing piece is arranged on a cross beam of the frame.

In some embodiments, the third shock absorbers disposed on both sides of the first rear outer cylinder are inclined with respect to a longitudinal section of the first rear outer cylinder; and/or the fourth shock absorbers arranged on both sides of the second rear outer cylinder are inclined relative to the longitudinal section of the second rear outer cylinder.

In some embodiments, the first damper is angled at 20 to 60 degrees relative to a longitudinal cross-section of the first rear outer barrel; and/or the angle between the second shock absorber and the longitudinal section of the second rear outer cylinder is 20-60 degrees.

In some embodiments, the second end of the third damper is located between the center of the first rear outer cylinder and the front end of the first rear outer cylinder in a direction parallel to the rotational center axis of the first outer cylinder; and/or the first end of the fourth damper is located between the center of the second rear outer cylinder and the front end of the second rear outer cylinder in a direction parallel to the rotational center axis of the second outer cylinder.

In some embodiments, two or more of the third dampers are symmetrically disposed with respect to a longitudinal center line of the first outer cylinder; and/or more than two fourth shock absorbers are symmetrically arranged relative to the longitudinal central line of the second outer cylinder.

In some embodiments, the first shock absorber and/or the second shock absorber is an elastic shock absorber or a damping shock absorber.

In some embodiments, further comprising: more than two first hanging springs are respectively positioned on two sides of the first outer cylinder, at least two first hanging springs are third hanging springs, the first ends of the third hanging springs are connected to the first outer cylinder, and the second ends of the third hanging springs are connected to the frame; more than two second hanging springs are respectively positioned at two sides of the second outer barrel, at least two second hanging springs are fourth hanging springs, the first ends of the fourth hanging springs are connected to the second outer barrel, and the second ends of the fourth hanging springs are connected to the frame.

In some embodiments, the length of the first rear outer barrel is greater than or equal to the length of the first front outer barrel in a direction parallel to the rotational center axis of the first outer barrel; and/or the length of the second rear outer cylinder is greater than or equal to the length of the second front outer cylinder in a direction parallel to the rotational center axis of the second outer cylinder.

In some embodiments, the second outer barrel comprises a second front outer barrel and a second rear outer barrel, the second front outer barrel is connected with the first front outer barrel through a first connecting piece, and the second front outer barrel, the first front outer barrel and the first connecting piece are integrally formed; and/or the second rear outer cylinder is connected with the first rear outer cylinder through a second connecting piece, and the second rear outer cylinder, the first rear outer cylinder and the second connecting piece are integrally formed; the first rear outer barrel is communicated with a first drain pipe, the second rear outer barrel is communicated with a second drain pipe, and the first drain pipe and the second drain pipe are located on two sides of the first outer barrel and the second outer barrel. The technical scheme provided by the embodiment of the utility model can have the following beneficial effects: according to the embodiment of the disclosure, the damper is arranged on the rear outer cylinder of the first outer cylinder to support the rear part of the first outer cylinder, so that the running stability of the drum washing machine is improved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic view illustrating a frame structure of a drum washing machine according to an exemplary embodiment.

Fig. 2 is a schematic view of the structure of the outer tub shown according to an exemplary embodiment.

Fig. 3 is a schematic structural view illustrating a shock-absorbing device according to an exemplary embodiment.

Fig. 4 is a schematic structural view of a first outer tub and a second outer tub shown according to an exemplary embodiment.

Fig. 5 is a schematic structural view of a first outer tub and a second outer tub shown according to another exemplary embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the utility model, as detailed in the appended claims.

Fig. 1 is a schematic view illustrating a frame structure of a drum washing machine according to an exemplary embodiment. Fig. 2 is a schematic view of the structure of the outer tub shown according to an exemplary embodiment. Fig. 3 is a schematic structural view illustrating a shock-absorbing device according to an exemplary embodiment. Fig. 4 is a schematic structural view of a first outer tub and a second outer tub shown according to an exemplary embodiment.

As shown in fig. 1 to 4, the drum washing machine of the present disclosure includes a frame 10, a casing, an outer tub 30, and a door.

The frame 10 is surrounded by a casing as an external appearance, and the frame 10 and the casing protect internal devices. The frame 10 supports the outer tub 30 within the housing.

The outer tub 30 includes a first outer tub 31 and a second outer tub 32 provided in the frame 10, and the second outer tub 32 is located at an upper side of the first outer tub 31. The first outer barrel 31 is at the bottom and the second outer barrel 32 is at the top, wherein the volume of the first outer barrel 31 can be larger than the volume of the second outer barrel 32. The first outer cylinder 31 has a first front outer cylinder 312 and a first rear outer cylinder 311 connected to the first front outer cylinder 312. The second outer cylinder 32 has a second front outer cylinder 322 and a second rear outer cylinder 321 connected to the second front outer cylinder 322.

The damper 52 may include more than two first dampers 52 respectively disposed at the left and right sides of the first outer cylinder 31, at least two first dampers being third dampers 523, a first end of the third damper 523 being connected to the frame 10, and a second end of the third damper 523 being connected to the first rear outer cylinder 311.

A first stiffening member may be provided on the frame 10, the first end of the first damper being pivotally connected to the first stiffening member. The first reinforcing member may be provided to a bottom beam or a floor of the frame.

In the embodiment of the present disclosure, since the driving motor is installed on the first rear outer cylinder 311, the first dampers 521 at both sides of the first rear outer cylinder 311 respectively apply upward pulling forces to the first rear outer cylinder 311, so that the first outer cylinder is more stable.

In some embodiments, the first damper 52 may further include at least one fifth damper, a first end (lower end) of which is connected to the frame 10 and a second end (upper end) of which is connected to the first front outer cylinder 312. For example, the number of the first dampers 52 may be four, two of which are fifth dampers, respectively disposed on both sides of the first front outer cylinder 312, and two of which are third dampers 523.

In the circumferential direction of the first outer cylinder 31, along the clockwise direction, the second end of the first damper on one side of the first outer cylinder 31 is disposed in a range greater than 90 degrees and less than 180 degrees, and the second end of the first damper on the other side of the first outer cylinder 31 is disposed in a range greater than 180 degrees and less than 270 degrees, wherein 0 degree coincides with the longitudinal center line of the first outer cylinder and points upward.

Since the first outer tub 31 may generate vertical vibration and horizontal vibration during the rotation of the drum washing machine, when the first end of the first damper on the left side is located at 0 degree and the first end of the first damper on the right side is located at 270 degrees, the horizontal vibration of the first outer tub cannot be effectively suppressed. The first end of the first shock absorber on the left side is located at 90 degrees, and when the first end of the first shock absorber on the right side is located at 360 degrees, the vibration of the first outer barrel in the up-and-down direction cannot be effectively inhibited. Therefore, in the embodiment, the first end of the first damper on the left side is arranged in the range larger than 0 degree and smaller than 90 degrees, and the first end of the first damper on the right side is arranged in the range larger than 270 degrees and smaller than 360 degrees, so that the vibration of the first outer cylinder in the vertical and horizontal directions can be effectively inhibited, and the stability of the first outer cylinder is improved.

In one example, in the circumferential direction of the second outer cylinder 32, the second end of the first damper on one side of the second outer cylinder 32 is disposed in a range of more than 120 degrees and less than 150 degrees, and the second end of the second damper on the other side of the second outer cylinder 32 is disposed in a range of more than 210 degrees and less than 240 degrees, along the clockwise direction. In this range, the first damper can suppress the vertical and horizontal vibrations of the first outer cylinder at the same time, and the effect is remarkable.

In one example, the second end of the third damper 523 is located between the center of the first rear outer cylinder 311 and the front end of the first rear outer cylinder 311 in a direction parallel to the rotational center axis of the first outer cylinder 31, i.e., the third damper 523 is disposed closer to the first front outer cylinder 312 to be supported closer to the center of gravity of the first outer cylinder 31, and the support is more stable.

In one example, the two or more third dampers 523 are symmetrically disposed with respect to the longitudinal center line of the first outer cylinder 31, that is, the two third dampers 523 are symmetrically disposed with respect to the longitudinal center line of the first outer cylinder 31, so as to form a stable support for the first outer cylinder 31.

In some embodiments, two first hanging springs 51 are further included, and are respectively disposed at the left and right sides of the first rear outer cylinder 311, at least two first hanging springs 51 are third hanging springs 511, a first end (lower end) of each third hanging spring 511 is connected to the first rear outer cylinder 311, and a second end (upper end) of each third hanging spring 511 is connected to the frame 10.

According to the embodiment of the disclosure, the third hanging springs 511 at two sides of the first rear outer cylinder respectively apply upward pulling force to the first rear outer cylinder, and the third dampers at two sides of the first rear outer cylinder are matched to respectively apply upward supporting force to the first rear outer cylinder, so that the first outer cylinder is more stable.

In some embodiments, the first hanging spring 51 may further include at least two fifth hanging springs respectively disposed at two sides of the first front outer cylinder 312, a first end (lower end) of the fifth hanging spring is connected to the first front outer cylinder 312, and a second end (upper end) of the fifth hanging spring is connected to the frame 10. For example, the first hanging spring 51 may be four, two of which are the fifth hanging springs and two of which are the third hanging springs 511.

In one example, the first dampers 521 are provided in three; among them, two of the three first dampers are located at the left side of the first rear outer cylinder 311 and the other is located at the right side of the first rear outer cylinder, or two of the three first dampers 521 are located at the right side of the first front outer cylinder 312 and the other is located at the left side of the first rear outer cylinder 311. For example, the damper 52 includes three third dampers 523, two left third dampers and one right third damper, the two left third dampers are supported on the left side of the first rear outer cylinder 311, the one right third damper is supported on the right side of the first front outer cylinder 312, and the right third damper is located between the left third dampers in a direction parallel to the rotation center of the first outer cylinder 31.

In another example, the first dampers 521 are provided in four, all of which are the third dampers; two third dampers 523 among the four first dampers 521 are located on the left side of the first rear outer cylinder 311, the other two third dampers are located on the right side of the first front outer cylinder 312, and the left and right third dampers 523 are symmetrical with respect to the longitudinal center line of the first rear outer cylinder. Through set up two symmetrical third bumper shock absorbers 523 respectively in first back urceolus left and right sides, support first urceolus respectively, the holding power that first urceolus received is more balanced, and supports intensity higher.

The first shock absorber 52 may be an elastic shock absorber or a damping shock absorber. The elastic damper can alleviate the change of the instant force on the outer cylinder 30, and has an obvious damping effect.

In some embodiments, a weight is disposed on the first front outer cylinder 312 of the first outer cylinder 31, and the weight is disposed on a side of the first front outer cylinder 312 away from the first rear outer cylinder 311. The counterweight force required by the first front outer cylinder 312 is smaller on the side farther from the first rear outer cylinder 311, so that the required counterweight block is smaller in volume, the cost is reduced, and the occupied space is reduced, thereby being beneficial to the arrangement of other components.

In some embodiments, in the circumferential direction of the first outer cylinder 31 (lower outer cylinder), the first end of the first hanging spring on one side (left side) of the first outer cylinder 31 is disposed in a range of more than 0 degrees and less than 90 degrees, and the first end of the first hanging spring on the other side (right side) of the first outer cylinder is disposed in a range of more than 270 degrees and less than 360 degrees, wherein 0 degrees coincides with the longitudinal center line of the first outer cylinder and points upward.

When the first outer tub 31 vibrates up and down and left and right during the rotation of the drum washing machine, the first end of the left first suspension spring is at 0 degree, and the first end of the right first suspension spring is at 270 degrees, the vibration of the first outer tub in the left and right direction cannot be effectively suppressed. When the first end of the first hanging spring on the left side is located at 90 degrees and the first end of the first hanging spring on the right side is located at 360 degrees, the vibration of the first outer cylinder in the vertical direction cannot be effectively inhibited. Therefore, in the embodiment, the first end of the left first hanging spring is arranged in the range of more than 0 degrees and less than 90 degrees, and the first end of the right first hanging spring is arranged in the range of more than 270 degrees and less than 360 degrees, so that the vibration of the first outer cylinder in the vertical and horizontal directions can be effectively inhibited, and the stability of the first outer cylinder is improved.

In one example, the first end of the first hanging spring on one side (left) is disposed in a range of 30 degrees to 60 degrees, and the first end of the first hanging spring on the other side is disposed in a range of 300 degrees to 330 degrees, in a clockwise direction in a circumferential direction of the outer tub. In this range, the first hanging spring can suppress the vertical and horizontal vibrations of the first outer cylinder 31 at the same time, and the effect is remarkable.

In some embodiments, the dampers further include more than two second dampers disposed at the left and right sides of the second outer barrel 32, respectively, at least two second dampers are fourth dampers 524, a first end of the fourth damper 524 is connected to the frame, and a second end of the fourth damper 524 is connected to the second rear outer barrel 321. A second reinforcing member 53 may be disposed on the frame 10, and a first end of the fourth damper 524 is pivotally connected to the second reinforcing member 53. The second reinforcing member 53 may be provided on a cross member of the frame 10.

In the circumferential direction of the second outer cylinder, along the clockwise direction, the second end of the second damper 522 of one side of the second outer cylinder 32 is disposed in a range of more than 90 degrees and less than 180 degrees, and the second end of the second damper of the other side of the second outer cylinder 32 is disposed in a range of more than 180 degrees and less than 270 degrees, wherein 0 degree coincides with the longitudinal center line of the second outer cylinder 32 and points upward.

As the first outer tub 31 and the first damper are engaged with each other, when the second outer tub 32 vibrates vertically and horizontally during the rotation of the drum washing machine, the first end of the left second damper is at 0 degree, and the first end of the right second damper is at 270 degrees, the vibration of the second outer tub 32 in the horizontal direction cannot be effectively suppressed. The first end of the second shock absorber on the left side is located at 90 degrees, and when the first end of the second shock absorber on the right side is located at 360 degrees, the vibration of the second outer cylinder in the up-and-down direction cannot be effectively inhibited. Therefore, in the embodiment, the first end of the left second damper is arranged in the range larger than 0 degree and smaller than 90 degrees, and the first end of the right second damper is arranged in the range larger than 270 degrees and smaller than 360 degrees, so that the vibration of the second outer cylinder in the vertical and horizontal directions can be effectively inhibited, and the stability of the second outer cylinder is improved.

In one example, in the circumferential direction of the second outer cylinder 32, the second end of the second damper of one side of the second outer cylinder 32 is disposed in a range of 120 degrees to 150 degrees, and the second end of the second damper of the other side of the second outer cylinder 32 is disposed in a range of 210 degrees to 240 degrees, in the clockwise direction. In this range, the second damper can suppress the vertical and horizontal vibrations of the second outer cylinder 32 at the same time, and the effect is remarkable.

In one example, the first end of the fourth damper 524 is located between the center of the second rear outer cylinder 32 and the front end of the second rear outer cylinder 321 in a direction parallel to the rotational center axis of the second outer cylinder 32.

In some embodiments, the vehicle seat further includes more than one second hanging spring, at least two second hanging springs are fourth hanging springs 512, a first end of each fourth hanging spring 512 is connected to the second rear outer cylinder 321, and a second end of each fourth hanging spring 512 is connected to the frame.

In some embodiments, the second hanging spring may further include at least two sixth hanging springs respectively disposed at both sides of the second front outer cylinder 322, and first ends (lower ends) of the sixth hanging springs are connected to the second front outer cylinder 322 and second ends (upper ends) of the sixth hanging springs are connected to the frame 10. For example, the second hanging spring may be four, two of which are the sixth hanging springs and two of which are the fourth hanging springs 512.

In an example, the second hanging springs are more than two, and are respectively the fourth hanging springs 512, and are respectively arranged at the left side and the right side of the second outer barrel 32; in the circumferential direction of the second outer cylinder 32, along the clockwise direction, the first end of the fourth hanging spring 512 on one side (left side) is disposed in a range greater than 0 degrees and smaller than 90 degrees, and the first end of the fourth hanging spring 512 on the other side is disposed in a range greater than 270 degrees and smaller than 360 degrees, wherein 0 degrees coincides with the longitudinal center line of the second outer cylinder and points upward. As described above, since the second outer tub 32 vibrates vertically and horizontally during the rotation of the drum washing machine, when the first end of the left fourth hanging spring 512 is located at 0 degree and the first end of the right fourth hanging spring 512 is located at 270 degrees, the vibration of the second outer tub 32 in the horizontal direction cannot be effectively suppressed. When the second end of the left fourth hanging spring 512 is located at 90 degrees and the second end of the right fourth hanging spring 512 is located at 360 degrees, the vibration in the up-and-down direction of the second outer tube 32 cannot be effectively suppressed. Therefore, in the present embodiment, the second end of the left fourth hanging spring 512 is set in a range greater than 0 degrees and smaller than 90 degrees, and the first end of the right fourth hanging spring 512 is set in a range greater than 270 degrees and smaller than 360 degrees, so that the vibration of the second outer cylinder in the vertical and horizontal directions can be effectively suppressed, and the stability of the second outer cylinder can be improved.

In one example, in the circumferential direction of the second outer tube 32, the first end of the fourth hanging spring 512 on one side (left side) is disposed in a range of 30 degrees to 60 degrees, and the first end of the fourth hanging spring 512 on the other side is disposed in a range of 300 degrees to 330 degrees, in the clockwise direction. As described above, in this range, the fourth hook spring 512 can suppress the vibration of the second outer cylinder 32 in the vertical and horizontal directions at the same time, and the effect is remarkable.

In some embodiments, the third hanging spring 511 is inclined with respect to the longitudinal section of the first rear outer cylinder; and/or the fourth suspension spring 512 is inclined with respect to the longitudinal section of the second rear outer cylinder. For example, the third hanging springs 511 on both sides of the first rear outer cylinder 311 may be inclined in a direction approaching each other or inclined in a direction separating from each other. The fourth hanging springs 512 on both sides of the second rear outer cylinder 321 may be inclined in a direction to approach each other or in a direction to separate from each other. The third hanging spring 511 provided obliquely can effectively suppress the vibration of the first outer cylinder in the front-rear and left-right directions. The fourth hanging spring 512 disposed obliquely can effectively suppress the vibration of the second outer tube in the front-rear and left-right directions.

In some embodiments, the third damper is inclined with respect to the longitudinal section of the first rear outer cylinder 311; and/or the fourth damper is inclined with respect to the longitudinal section of the second rear outer cylinder 321. For example, the third dampers on both sides of the first rear outer cylinder 311 may be inclined toward the direction of approaching the batch each other, respectively. The fourth dampers at both sides of the second rear outer cylinder 321 may be inclined toward the direction of approaching the batch each other, respectively. The third hanging spring arranged obliquely can effectively restrain the vibration of the first outer cylinder in the front-back direction and the left-right direction. The fourth hanging spring arranged obliquely can effectively restrain the vibration of the second outer cylinder in the front-back direction and the left-right direction.

In one example, the third damper is at an angle of 20 to 60 degrees relative to a longitudinal cross-section of the first rear outer cylinder; and/or the fourth damper is at an angle of 20 to 60 degrees with respect to the longitudinal cross-section of the second rear outer cylinder.

In some embodiments, the number of the dampers is 3 to 10, and the number of the first dampers may be two or more. For example, the first outer cylinder and the second outer cylinder are of an integral structure, the number of the dampers can be three or four, the three or four dampers can be all the first dampers, and the first outer cylinder and the second outer cylinder can be supported by 3 or 4 first dampers arranged on the first outer cylinder. Or, first urceolus and second urceolus structure as an organic whole, the quantity of bumper shock absorber can be 3, and 3 bumper shock absorbers are first bumper shock absorbers, and first urceolus and the outer cylinder accessible of second set up 3 first bumper shock absorbers on first urceolus and support.

For another example, the first outer cylinder and the second outer cylinder are separate bodies, the number of the dampers may be 6, 4 of the 6 dampers may be the first damper, 2 may be the second damper, the first outer cylinder may be supported by the 4 first dampers, and the second outer cylinder may be supported by the 2 second dampers. Or 3 of the 6 dampers are first dampers, 3 of the 6 dampers are second dampers, the first outer cylinder is supported by the 3 first dampers, and the second outer cylinder is supported by the 3 second dampers. Or, the number of bumper shock absorbers can be 4, 2 of 4 bumper shock absorbers are first bumper shock absorbers, 2 are second bumper shock absorbers, the first outer cylinder supports through 2 first bumper shock absorbers, the second outer cylinder supports through 2 second bumper shock absorbers. Alternatively, the number of the dampers may be 5, 3 of the 5 dampers may be first dampers, and 2 may be second dampers, the first outer cylinder being supported by the 3 first dampers, and the second outer cylinder being supported by the 2 second dampers.

In some embodiments, the ratio of the length of the first rear outer cylinder 311 to the length of the first front outer cylinder 312 in a direction parallel to the rotational center axis of the first outer cylinder 31 is in the range of 5 to 1. The direction parallel to the rotational center axis of the first outer cylinder 31 is the depth direction of the outer cylinder 30, the length of the first rear outer cylinder 311 is also the depth of the first rear outer cylinder 311, and the length of the first front outer cylinder 312 is also the depth of the first front outer cylinder 312, that is, the depth of the first rear outer cylinder 311 is greater than or equal to the depth of the first front outer cylinder 312.

In one example, the ratio of the length of the first rear outer cylinder 311 to the length of the first front outer cylinder 312 may be 4, i.e., the depth of the first rear outer cylinder 311 is 4 times the depth of the first front outer cylinder. Since the driving motor is installed on the first rear outer cylinder 311, the first rear outer cylinder 311 needs to bear a large force, and the ratio of the force transmitted to the first rear outer cylinder 311 by the driving motor to the force transmitted to the first front outer cylinder 312 is more than 50%, in order to ensure the strength of the first rear outer cylinder 311, the size of the first rear outer cylinder 311 needs to be larger, and the size of the first front outer cylinder 312 needs to be reduced, so that the strength of the first rear outer cylinder 311 is ensured by properly adjusting the size ratio of the first front outer cylinder 312 to the first rear outer cylinder 311 on the premise of not affecting the size of the whole first outer cylinder 31. Further, since the first rear outer cylinder 311 is increased in size and strength, the damper means for supporting the first outer cylinder 31, for example, the suspension spring 51, the damper 52, and the like, can be attached to the first rear outer cylinder 311, and the first rear outer cylinder 311 receives a larger supporting force.

Since the driving motor is usually located on the first rear outer cylinder 311, the driving force generated when the driving motor rotates is firstly transmitted to the first rear outer cylinder 311, and the first rear outer cylinder 311 generates large vibration, in the embodiment of the present disclosure, since the length of the first rear outer cylinder 311 is longer than that of the first front outer cylinder 312, the strength of the first rear outer cylinder 311 is guaranteed, and the damping device may be installed on the first rear outer cylinder 311 to support the first rear outer cylinder 311, so as to suppress the large vibration of the first rear outer cylinder 311, reduce noise, and improve the running stability of the drum washing machine.

In some embodiments, as shown in fig. 5, the second outer cylinder 32 includes a second front outer cylinder 322 and a second rear outer cylinder 321, the second front outer cylinder 322 is connected with the first front outer cylinder 312 through the first connecting member 33-1, and the second front outer cylinder 322, the first front outer cylinder 312 and the first connecting member 33-1 are integrally formed; and/or the second rear outer cylinder 321 is connected with the first rear outer cylinder 311 through a second connecting piece 33-2, and the second rear outer cylinder 321, the first rear outer cylinder 311 and the second connecting piece 33-2 are integrally formed. A first end of the fourth hanging spring 512 is connected to the second rear outer cylinder 321 of the second outer cylinder 32, and a second end of the fourth hanging spring 512 is connected to the frame 10. The first outer cylinder 31 and the second outer cylinder 32 are connected together, the two cylinders can be mutually balanced, when one cylinder is eccentric and large, the other cylinder can reduce the vibration amplitude by using the self weight, and the function of a configuration block is achieved, so that the vibration amplitude of the whole machine is reduced. Therefore, additional balancing weights are not needed, and the weight of the whole machine can be reduced.

The integrally formed first front outer cylinder 312 and second front outer cylinder 322, and the integrally formed first rear outer cylinder 311 and second rear outer cylinder 321 are convenient to install, installation procedures for installing the two cylinders are reduced, and efficiency is improved.

The double drum washing machine further includes first and second drain pipes 61. The first drain pipe communicates with the first rear outer tub 311 of the first outer tub 31 for discharging the liquid in the first outer tub. The second drain pipe 61 communicates with the second rear outer tub 321 of the second outer tub 32 for discharging the liquid in the second outer tub. The first drain pipe and the second drain pipe are respectively positioned on two sides, such as the left side and the right side, of the first outer cylinder and the second outer cylinder.

In the case where the first outer cylinder 31 and the second outer cylinder 32 are connected to each other and integrally formed, a damper may be provided between the first outer cylinder 31 and the frame 10, and no damper may be provided between the second outer cylinder 32 and the frame 10, and a hook spring may be provided between the second outer cylinder 32 and the frame 10, and no hook spring may be provided between the first outer cylinder 31 and the frame 10. The first outer cylinder and the second outer cylinder are supported by the damper on the first outer cylinder 31 and the hanging spring on the second outer cylinder 32, so that the cost can be saved, the assembly procedures can be reduced, the assembly is convenient, and the stable support can be achieved. It is to be understood that the term "plurality" as used herein refers to two or more, and other terms are intended to be analogous. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It will be further understood that the terms "first," "second," and the like, are used to describe various information and should not be limited by these terms. These terms are only used to distinguish one type of information from another and do not denote a particular order or importance. Indeed, the terms "first," "second," and the like are fully interchangeable. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention.

It will be further understood that the terms "central," "longitudinal," "lateral," "front," "rear," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present embodiment and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation.

It will be further understood that, unless otherwise specified, "connected" includes direct connections between the two without the presence of other elements, as well as indirect connections between the two with the presence of other elements.

It is further to be understood that while operations are depicted in the drawings in a particular order, this is not to be understood as requiring that such operations be performed in the particular order shown or in serial order, or that all illustrated operations be performed, to achieve desirable results. In certain environments, multitasking and parallel processing may be advantageous.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It will be understood that the utility model is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the utility model is only limited by the scope of the appended claims.

Claims (14)

1. A drum washing machine characterized by comprising:

a frame;

the first outer cylinder is arranged in the frame and comprises a first front outer cylinder and a first rear outer cylinder connected with the first front outer cylinder;

the second outer cylinder is arranged in the frame and positioned on the upper side of the first outer cylinder, and comprises a second front outer cylinder and a second rear outer cylinder connected with the second front outer cylinder;

more than two first shock absorbers are respectively arranged on the left side and the right side of the first outer cylinder, at least two first shock absorbers are third shock absorbers, the first end of each third shock absorber is connected to the frame, and the second end of each third shock absorber is connected to the first rear outer cylinder;

more than two second shock absorbers are respectively arranged on the left side and the right side of the second outer cylinder, at least two second shock absorbers are fourth shock absorbers, the first end of each fourth shock absorber is connected to the frame, and the second end of each fourth shock absorber is connected to the second rear outer cylinder;

in the circumferential direction of the second outer cylinder, along the clockwise direction, the second end of the second damper on one side of the second outer cylinder is disposed in a range of more than 90 degrees and less than 180 degrees, and the second end of the second damper on the other side of the second outer cylinder is disposed in a range of more than 180 degrees and less than 270 degrees, wherein the 0 degree coincides with the longitudinal center line of the second outer cylinder and points upward.

2. A drum washing machine according to claim 1,

in the circumferential direction of the first outer cylinder, along the clockwise direction, the second end of the first damper on one side of the first outer cylinder is disposed in a range of more than 90 degrees and less than 180 degrees, and the second end of the first damper on the other side of the first outer cylinder is disposed in a range of more than 180 degrees and less than 270 degrees, wherein the 0 degree coincides with the longitudinal center line of the first outer cylinder and points upward.

3. A drum washing machine according to claim 2,

in the circumferential direction of the first outer cylinder, along a clockwise direction, the second end of the first damper on one side of the first outer cylinder is disposed in a range of 120 degrees to 150 degrees, and the second end of the first damper on the other side of the first outer cylinder is disposed in a range of 210 degrees to 240 degrees.

4. A drum washing machine according to claim 1,

in the circumferential direction of the second outer cylinder, along a clockwise direction, the second end of the second damper of one side of the second outer cylinder is disposed in a range of 120 degrees to 150 degrees, and the second end of the second damper of the other side of the second outer cylinder is disposed in a range of 210 degrees to 240 degrees.

5. A drum washing machine according to claim 1, characterized by further comprising:

the first end of the first shock absorber is pivoted to the first reinforcing piece; and/or

The second reinforcement piece is arranged on the frame, and the first end of the second shock absorber is pivoted to the second reinforcement piece.

6. A drum washing machine according to claim 5,

the first reinforcing part is arranged on a bottom beam or a bottom plate of the frame; and/or

The second reinforcing member is disposed on a cross member of the frame.

7. A drum washing machine according to claim 1,

the third shock absorbers arranged on two sides of the first rear outer cylinder are inclined relative to the longitudinal section of the first rear outer cylinder; and/or

The fourth dampers disposed on both sides of the second rear outer cylinder are inclined with respect to a longitudinal section of the second rear outer cylinder.

8. A drum washing machine according to claim 7,

the included angle of the third shock absorber relative to the longitudinal section of the first rear outer cylinder is 20-60 degrees; and/or

The fourth damper has an angle of 20 to 60 degrees with respect to a longitudinal section of the second rear outer cylinder.

9. A drum washing machine according to claim 1,

the second end of the third damper is located between the center of the first rear outer cylinder and the front end of the first rear outer cylinder in a direction parallel to the rotational center axis of the first outer cylinder; and/or

The first end of the fourth damper is located between the center of the second rear outer cylinder and the front end of the second rear outer cylinder in a direction parallel to the rotational center axis of the second outer cylinder.

10. A drum washing machine according to claim 1,

the more than two third shock absorbers are symmetrically arranged relative to the longitudinal central line of the first outer cylinder; and/or

The two or more fourth dampers are symmetrically arranged relative to the longitudinal center line of the second outer cylinder.

11. A drum washing machine according to claim 1,

the first shock absorber and/or the second shock absorber is an elastic shock absorber or a damping shock absorber.

12. A drum washing machine according to claim 1, characterized by further comprising:

more than two first hanging springs are respectively positioned on two sides of the first outer cylinder, at least two first hanging springs are third hanging springs, the first ends of the third hanging springs are connected to the first outer cylinder, and the second ends of the third hanging springs are connected to the frame;

the two or more second hanging springs are respectively positioned on two sides of the second outer cylinder, at least two of the second hanging springs are fourth hanging springs, first ends of the fourth hanging springs are connected to the second outer cylinder, and second ends of the fourth hanging springs are connected to the frame.

13. A drum washing machine according to claim 1,

a length of the first rear outer cylinder in a direction parallel to a rotational center axis of the first outer cylinder is greater than or equal to a length of the first front outer cylinder; and/or

The length of the second rear outer cylinder is greater than or equal to the length of the second front outer cylinder in a direction parallel to the rotational center axis of the second outer cylinder.

14. A drum washing machine according to claim 1,

the second outer cylinder comprises a second front outer cylinder and a second rear outer cylinder, the second front outer cylinder is connected with the first front outer cylinder through a first connecting piece, and the second front outer cylinder, the first front outer cylinder and the first connecting piece are integrally formed; and/or the second rear outer cylinder is connected with the first rear outer cylinder through a second connecting piece, and the second rear outer cylinder, the first rear outer cylinder and the second connecting piece are integrally formed;

the first rear outer barrel is communicated with a first drain pipe, the second rear outer barrel is communicated with a second drain pipe, and the first drain pipe and the second drain pipe are located on two sides of the first outer barrel and the second outer barrel.

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