CN216193449U - 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; and the number of the shock absorbers is 3 to 10, the shock absorbers comprise at least one first shock absorber, the first end of the at least one first shock absorber is arranged on the frame, and the second end of the at least one first shock absorber is arranged on the first front outer cylinder. The first outer barrel and the second outer barrel can be supported more stably through the utility model.

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 present invention provides a double 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; and the number of the shock absorbers is 3 to 10, the shock absorbers comprise at least one first shock absorber, the first end of the at least one first shock absorber is arranged on the frame, and the second end of the at least one first shock absorber is arranged on the first front outer cylinder.

In some embodiments, the shock absorber further comprises: and the first end of the second shock absorber is arranged on the frame, and the second end of the second shock absorber is arranged on the second front outer cylinder.

In some embodiments, more than one first hanging lug is arranged on the first front outer cylinder, and the second end of the first shock absorber is pivoted to the first hanging lug through a pin shaft or a bolt; and/or more than one second hanging lug is arranged on the second front outer cylinder, and the second end of the second shock absorber is pivoted to the second hanging lug through a pin shaft or a bolt.

In some embodiments, in a circumferential direction of the first outer cylinder, the second end of the first damper is disposed in a range of more than 90 degrees and less than 270 degrees in a clockwise direction, wherein the 90 degrees coincide with a transverse center line of the first outer cylinder and are directed to the right; and/or in the circumferential direction of the second outer cylinder, along the clockwise direction, the second end of the second damper is disposed in a range greater than 90 degrees and smaller than 270 degrees, wherein the 90 degrees coincide with the transverse center line of the second outer cylinder and point to the right.

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

In some embodiments, the first damper is inclined with respect to a longitudinal section of the first outer cylinder; and/or the second damper is inclined with respect to the longitudinal section 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 reinforcement member disposed on the frame, wherein the first end of the second damper is pivotally connected to the second reinforcement 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 part is arranged on the cross beam of the frame

In some embodiments, the plurality of shock absorbers further comprises: more than two third shock absorbers are respectively arranged on two sides of the first outer cylinder, 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; and/or more than two fourth shock absorbers which are respectively arranged at two sides of the second outer cylinder, wherein 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 cylinder.

In some embodiments, the first damper is located between the third dampers on both sides of the first outer cylinder; and/or the second damper is located between the fourth dampers at both sides of the second outer tube.

In some embodiments, the number of the plurality of shock absorbers is six; and four of the six shock absorbers are positioned in the first outer cylinder, and two of the six shock absorbers are positioned in the second outer cylinder, or three of the six shock absorbers are positioned in the first outer cylinder, and three of the six shock absorbers are positioned in the second outer cylinder.

In some embodiments, two of the six dampers are located on left and right sides of the first rear outer cylinder, two are located on left and right sides of the first front outer cylinder, and two are located on left and right sides of the second rear outer cylinder.

In some embodiments, more than two of the shock absorbers are on the same side of the first outer cylinder and are respectively located on the first front outer cylinder and the first rear outer cylinder; and/or more than two shock absorbers are arranged on the same side of the second outer cylinder and are respectively positioned on the second front outer cylinder and the second rear outer cylinder.

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

In some embodiments, 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; a ratio of a length of the first rear outer cylinder to a length of the first front outer cylinder in a direction parallel to the rotational center axis of the first outer cylinder is in a range of 5 to 1. 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 plurality of dampers are arranged on the first outer cylinder and the second outer cylinder, so that the first outer cylinder can be effectively supported, and 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 20, an outer tub 30, and a door.

The frame 10 is covered with the outer case 20 as an external appearance, and the frame 10 and the outer case 20 protect internal devices. The frame 10 supports the outer tub 30 within the housing 20.

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 311 and a first rear outer cylinder 312 connected to the first front outer cylinder 311. The second outer cylinder 32 has a second front outer cylinder 321 and a second rear outer cylinder 322 connected to the second front outer cylinder 321.

The shock absorber further comprises a plurality of shock absorbers, the number of the shock absorbers is 3-10, the shock absorbers can comprise a first shock absorber 521, and the number of the first shock absorber 521 can be more than one. A first end of the first damper 521 is disposed on the frame 10, and a second end of the first damper 521 is disposed on the first front outer cylinder 311.

More than one first hanging lug is arranged on the first front outer cylinder 312, and the second end of the first shock absorber 521 is pivoted to the first hanging lug through a pin shaft or a bolt. A first reinforcing member 53 may be provided on the frame 10, and a first end of the first shock absorber 521 is pivotally connected to the first reinforcing member 53. The first reinforcing member 53 may be provided to a bottom beam or a floor of the frame 10. The first reinforcing member 53 is pivoted to the first shock absorber 521 as an independent component, and compared with the way that the first shock absorber 521 is directly pivoted to the bottom plate of the frame, the connection of the first shock absorber 521 is more stable, and the local stress and deformation of the frame are also avoided.

In the circumferential direction of the first outer cylinder 31, the second end of the first damper 521 is disposed in a range of more than 90 degrees and less than 270 degrees in the clockwise direction, wherein 90 degrees coincide with the transverse center line of the first outer cylinder and point to the right.

Since the first tub 31 may vibrate up and down and left and right during the rotation of the drum washing machine, when the first end of the first damper is located at 90 degrees or 270 degrees, the vibration of the first tub in the left and right directions cannot be effectively suppressed. Therefore, in the embodiment, the first end of the first damper is arranged in the range of more than 90 degrees and less than 270 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 some embodiments, the dampers further include one or more second dampers 522, a first end of the second damper 522 is disposed to the frame 10, and a second end of the second damper 522 is disposed to the second front outer cylinder 322.

More than one first hanging lug is arranged on the second front outer cylinder 313, and the second end of the second shock absorber 522 is pivoted to the first hanging lug through a pin shaft or a bolt. A second reinforcing member may be disposed on the frame 10, and a first end of the second shock absorber 522 is pivotally connected to the second reinforcing member. The second reinforcing member may be provided on a cross member of the frame 10. The second reinforcement member is pivoted with the second shock absorber 522 as an independent member, and compared with the mode that the second shock absorber 522 is directly pivoted on the bottom plate of the frame, the connection of the second shock absorber 522 is more stable, and the local stress and deformation of the frame are also avoided.

In the circumferential direction of the second outer cylinder 32, the second end of the second damper 522 is disposed in a range of more than 90 degrees and less than 270 degrees in the clockwise direction, wherein 90 degrees coincide with the transverse center line of the second outer cylinder and are directed to the right.

Since the second outer tub 32 may generate vertical vibration and horizontal vibration during the rotation of the drum washing machine, when the first end of the second damper is located at 90 degrees or 270 degrees, the horizontal vibration of the second outer tub cannot be effectively suppressed. Therefore, in the embodiment, the first end of the second damper is arranged in the range of more than 90 degrees and less than 270 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 first outer cylinder is improved.

In some embodiments, the second end of the first damper 521 is located at the center of the first front outer cylinder 312 in a direction parallel to the rotational center axis of the first outer cylinder 31, and the first damper 521 located at the center can effectively support the first front outer cylinder 312. And/or the second end of the second damper 522 is located at the center of the second front outer cylinder 32 in a direction parallel to the rotational center axis of the second outer cylinder 32, and the first damper 521 located at the center can effectively support the first front outer cylinder 312.

In some embodiments, the first damper 521 is inclined with respect to the longitudinal section of the first outer cylinder 313; and/or the second damper 32 is inclined with respect to a longitudinal section of the second outer tube 32. The first damper 521 provided obliquely can effectively suppress the vibration of the first outer cylinder 31 in the front-rear and left-right directions. The second damper 32 disposed obliquely can effectively suppress the vibration of the second outer tube 32 in the front-rear and left-right directions.

In some embodiments, the plurality of shock absorbers further comprises: two or more third dampers 523 respectively disposed at both sides of the first outer cylinder 31, 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; and/or more than two fourth dampers 524 respectively disposed at two sides of the second outer tube 32, wherein a first end of the fourth damper 524 is connected to the frame 10, and a second end of the fourth damper 524 is connected to the second rear outer tube 321.

The shock absorbers 52 (the first shock absorber 521, the second shock absorber 522, the third shock absorber 523, and the fourth shock absorber 524) may be elastic shock absorbers or damping shock absorbers. The elastic damper can change the instant force of the outer cylinder 30, and has an obvious supporting effect.

The first damper 521 is located between the third dampers 523 on both sides of the first outer tube 31, and/or the second damper 522 is located between the fourth dampers 524 on both sides of the second outer tube 32. For example, the third dampers 523 are provided in two, and the first damper 521 is provided in one at a middle position of the two third dampers 523 in the lateral direction (left-right direction) of the first outer cylinder 31. The fourth dampers 524 are provided in two, and the second dampers 522 are provided in one, at intermediate positions of the two fourth dampers 524.

In the present disclosure, the first damper 521 and the third damper 523 support the first front outer cylinder 312 and the second rear outer cylinder 311, respectively, so that the stability of the first outer cylinder 31 is improved. The second front outer cylinder 322 and the second front outer cylinder 321 are supported by the second damper 522 and the fourth damper 524, respectively, so that the stability of the second outer cylinder 32 is improved.

The number of the plurality of shock absorbers is six; four of the six dampers are located in the first outer tube 31 and two of the six dampers are located in the second outer tube 32. Specifically, among the six shock absorbers, two are located the left and right sides of the outer tube behind the first, two are located the left and right sides of the outer tube before the first, and two are located the left and right sides of the outer tube behind the second.

For example, the four dampers disposed on the first outer cylinder 31 may be two first dampers 521 and two third dampers 523, wherein the two first dampers 521 are disposed on the left and right sides of the first front outer cylinder 312, and the two third dampers 523 are disposed on the left and right sides of the first rear outer cylinder 311. The two dampers located in the second outer cylinder 32 may be two fourth dampers 524, which are respectively disposed on the left and right sides of the second rear outer cylinder 321.

In some embodiments, there are more than two dampers in the plurality of dampers on the same side of the first outer cylinder 31 and located at the first front outer cylinder 312 and the first rear outer cylinder 311, respectively; and/or more than two dampers are arranged on the same side of the second outer cylinder 32 and are respectively positioned on the second front outer cylinder 321 and the second rear outer cylinder 322.

For example, there are two first dampers 521 and two third dampers 523, the two first dampers 521 are respectively disposed on the left and right sides of the first front outer cylinder 312, the two third dampers 523 are respectively disposed on the left and right sides of the first rear outer cylinder 311, and there are two second dampers 522 and two fourth dampers 524, the two second dampers 522 are respectively disposed on the left and right sides of the second front outer cylinder 322, and the two fourth dampers 524 are respectively disposed on the left and right sides of the second front outer cylinder 321.

Alternatively, three of the six dampers are located at the first outer tube 31 and three are located at the second outer tube 32. The three dampers disposed on the first outer cylinder 31 may be a first damper 521 and two third dampers 523, one first damper 521 is disposed on the first front outer cylinder 312, the two third dampers 523 are disposed on the first rear outer cylinder 311, respectively, the three dampers disposed on the second outer cylinder 32 may be a second damper 522 and two fourth dampers 524, one second damper 522 is disposed on the second front outer cylinder 322, and the two fourth dampers 524 are disposed on the second rear outer cylinder 321.

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

In some embodiments, two first hanging springs 51 are further included and are respectively disposed on the left and right sides of the first rear outer cylinder 312, and at least two first hanging springs 51 are third hanging springs 511. A first end (upper end) of the third hanging spring 511 is connected to the first rear outer cylinder 312, and a second end (lower end) of the third hanging spring 511 is connected to the frame 10. A first reinforcing plate may be provided on the frame 10, a second end of the third hanging spring 511 is provided on the first reinforcing plate, a convex rib is provided on the first rear outer cylinder 311, and a first end of the third hanging spring 511 is provided on the convex rib.

In the embodiment of the present disclosure, since the driving motor is installed on the first rear outer cylinder 312, the third hanging springs 511 at both sides of the first rear outer cylinder 312 respectively apply upward pulling forces to the first rear outer cylinder 312, so that the first outer cylinder is more stable.

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.

Since the first tub 31 vibrates up and down and left and right during the rotation of the drum washing machine, when the first end of the left first hanging spring is at 0 degree and the first end of the right first hanging spring is at 270 degrees, the vibration of the first tub in the left and right directions 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, in the circumferential direction of the outer cylinder, 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 the clockwise direction. 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, 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 311 away from the first rear outer cylinder 312. The counterweight force required by the first front outer cylinder 312 is smaller on the side farther away from the first rear outer cylinder 312, so that the required counterweight block has a smaller volume, the cost is reduced, and the occupied space is reduced, thereby being beneficial to the arrangement of other components.

In one example, in a direction parallel to the rotation central axis of the first outer cylinder 31, the second end of the third hanging spring 511 is located between the center of the first rear outer cylinder 312 and the front end of the first rear outer cylinder 311, that is, the third hanging spring 511 is close to the first front outer cylinder 311, the first rear outer cylinder 312 has a driving motor mounted at the rear end due to the counterweight on the first front outer cylinder 311, and the third hanging spring 511 is supported at a position of the first rear outer cylinder 312 closer to the first front outer cylinder 311, so that the front and rear supporting forces of the first outer cylinder 312 are more balanced.

In some embodiments, the first hanging spring 51 may further include at least two fifth hanging springs respectively disposed at both sides of the first front outer cylinder 312, and 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, two or more third hanging springs 511 are provided symmetrically with respect to the longitudinal center line of the first outer cylinder 31.

In some embodiments, the vehicle seat further comprises more than one second hanging spring, the 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, and a second end of each fourth hanging spring 512 is connected to the frame. A second reinforcing plate may be disposed on the frame 10, a second end of the fourth hanging spring 512 is disposed on the second reinforcing plate, a convex rib is disposed on the second rear outer cylinder 321, and a first end of the fourth hanging spring 512 is disposed on the convex rib.

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 number of the second hanging springs may be four, two of which are the sixth hanging springs and two of which are the fourth hanging springs.

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 ends of the fourth hanging springs 512 on one side (left side) are disposed in a range greater than 0 degrees and smaller than 90 degrees, and the first ends of the first hanging springs on the other side are 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 tube 32 vibrates vertically and horizontally during the rotation of the drum washing machine, when the first ends of the fourth hanging springs 512 on the left side are located at 0 degree and the first ends of the fourth hanging springs 512 on the right side are located at 270 degrees, the vibration of the second outer tube 32 in the horizontal direction cannot be effectively suppressed. When the second ends of the left-hand side and the right-hand side, which are the fourth hanging springs 512, are located at 90 degrees and the second ends of the right-hand side and the fourth hanging springs 512 are located at 360 degrees, the vibration in the up-and-down direction of the second outer tube 32 cannot be effectively suppressed. Therefore, in this embodiment, the second ends of the left side and the right side of the second outer cylinder, which are all the fourth hanging springs 512, are arranged in the range of more than 0 degree and less than 90 degrees, and the first ends of the right side and the right side of the fourth hanging springs 512 are arranged in the range of more than 270 degrees and less 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 tube 32, along the clockwise direction, the first ends of the fourth hanging springs 512 on one side (left side) are all disposed in the range of 30 degrees to 60 degrees, and the first ends of the fourth hanging springs 512 on the other side are all disposed in the range of 300 degrees to 330 degrees. 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 suspension spring is inclined with respect to a longitudinal section of the first rear outer cylinder; and/or the fourth hanging spring is inclined relative to the longitudinal section of the second rear outer cylinder. For example, the third hanging springs 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 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 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 some embodiments, the first end of the third hanging spring 511 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 rotation center axis of the first outer cylinder 31, that is, the third hanging spring 511 is disposed at a position closer to the first front outer cylinder 312 to be supported at a position closer to the center of gravity of the first outer cylinder 31, and the support is smoother; and/or, in the direction parallel to the rotation center axis of the second outer cylinder 32, the first end of the fourth hanging spring 512 is located between the center of the second rear outer cylinder 321 and the front end of the second rear outer cylinder 322, i.e., the fourth hanging spring 512 is disposed at a position closer to the second front outer cylinder 322 so as to be supported at a position closer to the center of gravity of the second outer cylinder 32, and the support is smoother.

In some embodiments, the two third hanging springs 511 are symmetrically arranged with respect to the longitudinal center line of the first outer barrel 31, that is, the two third hanging springs 511 are symmetrically arranged with respect to the longitudinal center line of the first outer barrel 31, so as to form a stable support for the first outer barrel 31; and/or the two fourth hanging springs 512 are symmetrically arranged relative to the longitudinal center line of the second outer barrel 32, that is, the two fourth hanging springs 512 are symmetrically arranged left and right relative to the longitudinal center of the second outer barrel 32, so as to stably support the second outer barrel 32.

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, the additional addition of a balancing weight is 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 connecting plate 33 integrally formed between the first outer tube 31 and the second outer tube 32 utilizes the space between the first outer tube 31 and the second outer tube 32, and the size of the whole machine can be reduced.

The ratio of the length of the second rear outer cylinder 321 to the length of the second front outer cylinder 322 in a direction parallel to the rotational center axis of the second outer cylinder 32 is in the range of 5 to 1. The direction parallel to the rotational center axis of the second outer cylinder 32 is the depth direction of the outer cylinder 30, the length of the second rear outer cylinder 321 is also the depth of the second rear outer cylinder 321, and the length of the second front outer cylinder 322 is also the depth of the second front outer cylinder 322, that is, the depth of the second rear outer cylinder 321 is greater than or equal to the depth of the second front outer cylinder 322. For example, a hanging spring may be mounted on the second rear outer cylinder 321, and receive more supporting force through the second rear outer cylinder 321. Since the length of the second rear outer tub 321 is longer than the length of the second front outer tub 322, the strength of the second rear outer tub 321 is guaranteed, and the hanging spring can be mounted on the second rear outer tub 321 to support the second rear outer tub 321, so as to suppress large vibration of the second rear outer tub 321, reduce noise, and improve the running stability of the drum washing machine.

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 without providing a damper 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 without providing a hook spring 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.

In one example, the ratio of the length of the first rear outer cylinder 312 to the length of the first front outer cylinder 311 may be 4, i.e., the depth of the rear first outer cylinder 312 is 4 times the depth of the front outer cylinder. Since the driving motor is mounted on the first rear outer cylinder 312, the first rear outer cylinder 312 needs to bear a large force, and the ratio of the force transmitted to the first rear outer cylinder 312 and the force transmitted to the first front outer cylinder 311 by the power of the driving motor is more than 50%, in order to ensure the strength of the first rear outer cylinder 312, the size of the first rear outer cylinder 312 needs to be larger, and the size of the first front outer cylinder 311 needs to be reduced, so that the strength of the first rear outer cylinder 312 is ensured by properly adjusting the size ratio of the first front outer cylinder 311 to the first rear outer cylinder 312 without affecting the size of the whole first outer cylinder 31. Further, since the first rear outer cylinder 312 has a large size and high 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 mounted on the first rear outer cylinder 312, and the first rear outer cylinder 312 receives a larger supporting force.

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

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 that such information 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 (15)

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; and

the shock absorbers comprise at least one first shock absorber, the first end of the at least one first shock absorber is arranged on the frame, and the second end of the at least one first shock absorber is arranged on the first front outer cylinder.

2. A drum washing machine according to claim 1,

the shock absorber further includes: at least one second bumper shock absorber, the first end of second bumper shock absorber set up in the frame, the second end of second bumper shock absorber set up in the second front outer tube.

3. A drum washing machine according to claim 2,

more than one first hanging lug is arranged on the first front outer cylinder, and the second end of the first shock absorber is pivoted to the first hanging lug through a pin shaft or a bolt; and/or

The second front outer cylinder is provided with more than one second hanging lug, and the second end of the second shock absorber is pivoted to the second hanging lug through a pin shaft or a bolt.

4. A drum washing machine according to claim 3,

in the circumferential direction of the first outer cylinder, along the clockwise direction, the second end of the first damper is disposed in a range greater than 90 degrees and smaller than 270 degrees, wherein the 90 degrees coincide with the transverse center line of the first outer cylinder and point to the right; and/or

In the circumferential direction of the second outer cylinder, along the clockwise direction, the second end of the second damper is disposed in a range greater than 90 degrees and smaller than 270 degrees, wherein the 90 degrees coincide with a transverse center line of the second outer cylinder and point to the right.

5. A drum washing machine according to claim 3,

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

The second end of the second damper is located at the center of the second front outer cylinder in a direction parallel to the rotational center axis of the second outer cylinder.

6. A drum washing machine according to claim 3,

the first damper is inclined with respect to a longitudinal section of the first outer cylinder; and/or

The second damper is inclined with respect to a longitudinal section of the second outer cylinder.

7. A drum washing machine according to claim 3, 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.

8. A drum washing machine according to claim 7,

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.

9. A drum washing machine according to claim 2,

the plurality of shock absorbers further comprises:

more than two third shock absorbers are respectively arranged on two sides of the first outer cylinder, 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; and/or

And the more than two fourth shock absorbers are respectively arranged at two sides of the second outer barrel, 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.

10. A drum washing machine according to claim 9,

the first damper is positioned between the third dampers on both sides of the first outer cylinder; and/or

The second damper is located between the fourth dampers at both sides of the second outer tube.

11. A drum washing machine according to claim 1,

the number of the shock absorbers is six;

and four of the six shock absorbers are positioned in the first outer cylinder, and two of the six shock absorbers are positioned in the second outer cylinder, or three of the six shock absorbers are positioned in the first outer cylinder, and three of the six shock absorbers are positioned in the second outer cylinder.

12. A drum washing machine according to claim 11,

six among the bumper shock absorber, two are located the left and right sides of urceolus after first, two are located the left and right sides of urceolus before first, and two are located the left and right sides of urceolus after the second.

13. A drum washing machine according to claim 9,

more than two of the shock absorbers are arranged on the same side of the first outer cylinder and are respectively positioned on the first front outer cylinder and the first rear outer cylinder; and/or more than two shock absorbers are arranged on the same side of the second outer cylinder and are respectively positioned on the second front outer cylinder and the second rear outer cylinder.

14. A drum washing machine according to claim 9, characterized by further comprising:

the two or more first hanging springs are respectively positioned at two sides of the first outer cylinder, the first ends of the first hanging springs are connected to the first outer cylinder, and the second ends of the first hanging springs are connected to the frame; and/or

And the more than two second hanging springs are respectively positioned at two sides of the second outer barrel, the first ends of the second hanging springs are connected to the second outer barrel, and the second ends of the second hanging springs are connected to the frame.

15. A drum washing machine according to claim 1,

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;

a ratio of a length of the first rear outer cylinder to a length of the first front outer cylinder in a direction parallel to a rotational center axis of the first outer cylinder is in a range of 5 to 1.

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