CN111636174A - Drum washing machine - Google Patents
Drum washing machine Download PDFInfo
- Publication number
- CN111636174A CN111636174A CN201910155303.3A CN201910155303A CN111636174A CN 111636174 A CN111636174 A CN 111636174A CN 201910155303 A CN201910155303 A CN 201910155303A CN 111636174 A CN111636174 A CN 111636174A
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- Prior art keywords
- drum
- side wall
- washing machine
- supporting
- inner drum
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- 238000005406 washing Methods 0.000 title claims abstract description 90
- 230000008093 supporting effect Effects 0.000 claims abstract description 72
- 238000013016 damping Methods 0.000 claims abstract description 58
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims description 48
- 230000002093 peripheral effect Effects 0.000 claims description 25
- 230000035939 shock Effects 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 9
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- 101150114468 TUB1 gene Proteins 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
Abstract
The invention discloses a drum washing machine, which comprises a shell and an inner drum, wherein the inner drum is arranged in the shell, the inner drum is used for containing water in the washing process, a supporting and damping structure is arranged below the inner drum, one end of the supporting and damping structure is fixedly connected with the shell, the other end of the supporting and damping structure is supported on the side wall of the inner drum, and the inner drum can rotate relative to the supporting and damping structure. The drum washing machine adopts the inner drum to contain water in the washing process, can avoid the problem that dirt is easy to accumulate on the outer wall of the inner drum, is beneficial to enlarging the volume of the inner drum and increasing the washing capacity; the front end of the inner barrel adopts a supporting mode, so that the vibration amplitude of the inner barrel in the operation process of the washing machine can be reduced, the noise and the abrasion are reduced, and the user experience is improved.
Description
Technical Field
The invention belongs to the field of washing machines, and particularly relates to a drum washing machine.
Background
In the prior art, a drum washing machine generally comprises an inner drum and an outer drum which are mutually sleeved, wherein the outer drum is sealed and used for containing water, and the inner drum is used for containing clothes and beating and washing the clothes by rotating the inner drum; meanwhile, the inner barrel is provided with dehydration holes, so that water in the outer barrel flows into the inner barrel through the dehydration holes to soak the clothes in the inner barrel, the water in the inner barrel flows out of the outer barrel through the dehydration holes, and moisture on the clothes in the inner barrel is discharged to the outer barrel through the dehydration holes when the inner barrel rotates at a high speed, so that the aim of washing the clothes is fulfilled.
However, because the inner cylinder and the outer cylinder are mutually sleeved, dirt is easily accumulated between the inner cylinder and the outer cylinder in the use process of the washing machine; meanwhile, because the inner drum and the outer drum are mutually sleeved, a user cannot clean the outer wall of the inner drum and the inner wall of the outer drum, so that bacteria in the washing machine are increased, and the washing efficiency of the washing machine and the cleanliness of washed clothes are reduced.
Meanwhile, in the existing washing machine, the outer cylinder is sleeved outside the inner cylinder, and clothes are beaten and washed through the rotation of the inner cylinder in the washing process of the washing machine, so that the washing capacity of the washing machine is based on the inner cylinder, the utilization rate of the internal space of the washing machine is low, and the washing capacity of the washing machine cannot be expanded on the existing basis.
In view of this, how to provide a washing machine, so as to integrate the inner and outer drums, and make the inner drum be a sealed container, which can not only contain water and clothes, but also rotate to beat the clothes for washing; meanwhile, the washing machine is not provided with an outer cylinder, or the side wall of the outer cylinder is very short, or the outer cylinder and the shell of the washing machine are integrally arranged, so that the inner cylinder of the washing machine can be expanded to expand the washing capacity of the washing machine, and the development is a hotspot.
The support form of the cylinder in the washing machine is generally a cantilever beam form, the rear end of the cylinder is supported, the front end of the cylinder is suspended, and a dynamic seal form is formed by the sealing element and the feeding port of the washing machine, so that the rotation and the sealing of the cylinder during washing are ensured. However, in this form, the vibration of the drum of the washing machine is large, which is not beneficial to reducing the noise of the washing machine and is easy to cause bad experience for users.
The present invention has been made in view of this situation.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a drum washing machine, wherein the front end of the inner drum of the drum washing machine is provided with a supporting and damping structure, and the rear end of the inner drum of the drum washing machine adopts the existing supporting structure, so that the vibration amplitude of the inner drum of the washing machine can be reduced by adopting a mode of supporting at two ends, the noise and the abrasion of the washing machine are reduced, and the user experience is improved.
In order to solve the technical problems, the invention adopts the technical scheme that:
the invention provides a drum washing machine, which comprises a shell and an inner drum, wherein the inner drum is arranged in the shell, the inner drum is used for containing water in the washing process, a supporting and damping structure is arranged below the inner drum, one end of the supporting and damping structure is fixedly connected with the shell, the other end of the supporting and damping structure is supported on the side wall of the inner drum, and the inner drum can rotate relative to the supporting and damping structure.
According to a further scheme, a clothes throwing-in opening is formed in the front of the inner barrel, the supporting and damping structure is arranged below the front of the inner barrel, and the contact position of the supporting and damping structure and the side wall of the inner barrel is close to the clothes throwing-in opening.
The front part of the inner cylinder comprises a narrowing part and a cylinder part which are sequentially arranged from front to back, the front end of the narrowing part forms a clothes throwing opening, the diameter of the narrowing part is smaller than that of the cylinder part, and the supporting and damping structure is supported on the lower side wall of the narrowing part and/or the lower side wall of the front end of the cylinder part;
preferably, the support shock-absorbing structure is supported on the lower side wall of the narrowing portion and is close to the edge of the clothes input opening.
In a further scheme, a rotatable rolling part is arranged at the upper end of the supporting and damping structure, a contact area matched with the rolling part is arranged on the outer side wall of the inner cylinder, the rolling part is supported in the contact area, and when the inner cylinder rotates, the rolling part rolls relative to the contact area;
preferably, the supporting shock-absorbing structure is a shock-absorbing damping member, and the rolling part is a roller or a rolling ball arranged at the upper end of the shock-absorbing damping member.
In a further scheme, the contact area is an annular groove arranged around the peripheral side wall of the inner cylinder, and a rolling part at the upper end of the supporting and damping structure is positioned in the annular groove and can rotate relative to the annular groove;
preferably, the annular groove is provided on the peripheral side wall of the narrowing portion of the inner cylinder and/or on the peripheral side wall of the front end of the cylinder portion.
In a further scheme, the contact area is a circumferential plane arranged around the peripheral side wall of the inner cylinder or a circumferential curved surface matched with the rolling part, and the rolling part rotates in the circumferential plane or the circumferential curved surface;
preferably, the circumferential plane or the circumferential curved surface is provided on the outer circumferential side wall of the narrowing portion of the inner cylinder and/or on the outer circumferential side wall of the front end of the cylinder portion.
In a further scheme, the surface of the contact area and/or the surface of the rolling part are/is also provided with a shock absorption wear-resistant layer;
preferably, the surface of the annular groove, or the circumferential plane or the circumferential curved surface is provided with a shock-absorbing wear-resistant layer.
Further, the surface of the contact area and/or the surface of the rolling part are/is also provided with a self-lubricating layer;
preferably, the surface of the annular groove, or the circumferential plane or the circumferential curved surface is provided with a self-lubricating layer.
In a further scheme, the number of the supporting and damping structures is multiple, two supporting and damping structures are arranged below the front part of the inner barrel and are symmetrically arranged on two sides of the clothes throwing-in opening;
preferably, two supporting and damping structures are further arranged above the front part of the inner barrel and symmetrically arranged on two sides of the clothes throwing-in opening;
preferably, the plurality of support shock-absorbing structures are each supported on an outer peripheral side wall of the narrowed portion of the inner tube.
In a further scheme, a supporting seat is further arranged in the shell, an open accommodating cavity is formed in the supporting seat, the bottom of the inner cylinder is arranged in the accommodating cavity of the supporting seat, and the inner cylinder is rotatably supported and mounted on the bottom wall of the supporting seat;
preferably, a shock absorption structure is arranged below the side wall of the supporting seat.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. the inner drum of the drum washing machine is a non-porous inner drum with no water holes on the drum wall, and when the drum washing machine is used for washing, washing water is contained in the inner drum, and the inner drum rotates to wash clothes. The drum washing machine of the present invention can be provided with the outer drum with the side wall far shorter than the length of the side wall of the inner drum, or the outer drum can be cancelled, so that the volume of the inner drum can be increased and the capacity of the drum washing machine can be increased under the condition that the size of the machine body is not changed. In addition, the inner cylinder is filled with water, so that the problem that the washing water of the existing washing machine enters between the inner cylinder and the outer cylinder, and dirt and bacteria are easily accumulated on the outer wall of the inner cylinder and the inner wall of the outer cylinder along with the accumulation of time is solved.
2. The existing drum washing machine adopts a cantilever beam form, the rear end part of the inner drum is supported by the rotating shaft, and the front end of the inner drum is suspended, so that the inner drum has larger vibration amplitude when rotating. The front end of the inner barrel of the washing machine is provided with the supporting and damping structure, the supporting and damping structure can be in rolling contact with the front end of the inner barrel and plays a supporting role, and the rotation of the inner barrel is not influenced, so that the vibration amplitude of the inner barrel in the operation process of the washing machine can be reduced, the noise and the abrasion are reduced, and the user experience is improved.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a front elevational view of the inner drum of the drum washing machine of the present invention;
FIG. 2 is a side view of the inner drum of the drum washing machine according to the first embodiment of the present invention;
FIG. 3 is a side view of the inner tub of the drum washing machine in the second embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 2 or FIG. 3;
fig. 5 is a partial enlarged view of another structure of fig. 2 or 3.
In the figure: the novel clothes drying machine comprises an inner barrel 1, an outer barrel 2, a supporting damping structure 3, a narrowing part 4, a barrel body part 5, a clothes throwing opening 6, a rolling part 7, a contact area 8, a damping wear-resistant layer 9, a self-lubricating layer 10, a supporting seat 11, a containing cavity 12 and a damping structure 13.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 5, the present invention provides a drum washing machine, which comprises a housing and an inner drum 1, wherein the inner drum 1 is rotatably disposed in the housing, the inner drum 1 contains water during a washing process, a support damping structure 3 is disposed below the inner drum 1, one end of the support damping structure is fixedly connected to the housing, the other end of the support damping structure is supported on a side wall of the inner drum 1, and the inner drum 1 can rotate relative to the support damping structure 3.
The inner cylinder 1 of the drum washing machine is a non-porous inner cylinder 1 with no water holes on the cylinder wall, when washing, washing water is contained in the inner cylinder 1, and the inner cylinder 1 rotates to wash clothes. The drum washing machine of the present invention can be provided with the outer cylinder 2 with the side wall smaller than the length of the side wall of the inner cylinder 1, or can cancel the outer cylinder 2, so that the volume of the inner cylinder 1 can be increased under the condition that the size of the machine body is not changed, and the capacity of the drum washing machine can be increased. In addition, the inner cylinder 1 is filled with water, so that the problem that the washing water of the existing washing machine enters between the inner cylinder 1 and the outer cylinder 2, and dirt and bacteria are easily accumulated on the outer wall of the inner cylinder 1 and the inner wall of the outer cylinder 2 along with the accumulation of time is solved.
The drum washing machine of the embodiment designs the inner barrel 1 into the nonporous inner barrel 1, because the inner barrel 1 is horizontally placed, the front end of the inner barrel 1 is a clothes throwing opening 6, a sealing sleeve which can rotate relative to the inner barrel 1 is arranged at the periphery of the throwing opening of the inner barrel 1, when a door body of the washing machine is closed, the door body is hermetically connected with the sealing sleeve into a whole and can rotate relative to the inner barrel 1, the sealing performance of the inner barrel 1 is ensured, the water containing function of the inner barrel 1 is realized, in addition, because the sealing sleeve and the inner barrel 1 rotate relative to each other, in this way, the sealing performance of the inner barrel 1 is ensured, and meanwhile, the rotation of the inner barrel.
The inner cylinder 1 is formed by coaxially splicing the front part and the rear part back and forth, and the outer cylinder 2 is arranged outside the inner cylinder 1. The invention can eliminate the outer cylinder 2, or the side wall of the outer cylinder 2 is far shorter than the length of the side wall of the inner cylinder 1.
When the outer cylinder 2 is eliminated, the support and vibration-damping structure 3 may be disposed at any position below the entire inner cylinder 1, for example, the support and vibration-damping structure 3 may be disposed at the front portion, or the rear portion, of the inner cylinder 1, or both the front portion and the rear portion, to form a plurality of support points for the inner cylinder 1. When the outer cylinder 2 is provided, and the side wall of the outer cylinder 2 is much shorter than the length of the side wall of the inner cylinder 1, the supporting and damping structure 3 may be provided below the inner cylinder 1 in front of the outer cylinder 2, and may be provided singly or in plural at different positions.
The lower end of the supporting and shock-absorbing structure 3 can be directly and fixedly connected with the casing, or can be fixedly connected with the casing through an intermediate member, for example, the lower end of the supporting and shock-absorbing structure 3 can be fixed with a shock-absorbing damping member at the front end of the existing drum washing machine, so as to be indirectly and fixedly connected with the casing.
Preferably, the supporting and damping structure 3 is disposed below the front portion of the inner tub 1, and the contact position of the supporting and damping structure 3 and the sidewall of the inner tub 1 is close to the laundry input opening 6, so as to better support the inner tub 1.
The existing drum washing machine adopts a cantilever beam form, the rear end part of the inner drum 1 is supported by a rotating shaft, and the front end is suspended, so that the vibration amplitude is larger when the inner drum 1 rotates. The support damping structure 3 is arranged below the front part of the inner barrel 1 of the washing machine, the support damping structure 3 can be in rolling contact with the front end of the inner barrel 1 and plays a supporting role, the rotation of the inner barrel 1 is not influenced, and the inner barrel 1 can rotate to realize a rotating washing function, so that the vibration amplitude of the inner barrel 1 in the running process of the washing machine can be reduced by adopting a mode that the front end and the rear end of the inner barrel 1 are supported, the noise and the abrasion are reduced, and the user experience is improved.
In a further scheme, the supporting and damping structures 3 comprise a plurality of structures, two structures are arranged below the front part of the inner barrel 1 and are symmetrically arranged at two sides of the clothes throwing-in opening 6; two supporting and damping structures 3 are further arranged above the front part of the inner barrel 1 and symmetrically arranged on two sides of the clothes throwing-in opening 6.
Around the clothing mouth of puting in 6 in this scheme, be provided with four and support shock-absorbing structure 3, and two sets of symmetry settings respectively about and, can all play the supporting role to the anterior all directions of inner tube 1, play the effect that reduces 1 vibration amplitude of inner tube better.
The drum washing machine of the embodiment further comprises a driving device, the bottom of the inner drum 1 is in transmission connection with the driving device through a central rotating shaft, and the central rotating shaft is hollow so as to be provided with a water flow channel for water inlet and/or water discharge.
The following embodiments are provided to illustrate the arrangement of the shock-absorbing support device, including but not limited to the following embodiments.
Example one
As shown in fig. 2, 4 and 5, the present embodiment provides a drum washing machine, wherein the inner drum 1 is formed by coaxially splicing a front part and a rear part back and forth, the front part of the inner drum 1 comprises a narrowing part 4 and a drum part 5 which are sequentially arranged from front to back, the front end of the narrowing part 4 forms a laundry input opening 6, the diameter of the narrowing part 4 is smaller than that of the drum part 5, the supporting and shock-absorbing structure 3 is supported on the lower side wall of the narrowing part 4, and/or the supporting and shock-absorbing structure 3 is supported on the lower side wall of the front end of the drum part 5.
In the scheme, the narrowing part 4 and the barrel part 5 at the front part of the inner barrel 1 can be integrally formed or fixedly connected in a seamless mode, the narrowing part 4 and the barrel part 5 are arranged in a sealing mode when a door body of the washing machine is closed, and the inner barrel 1 can also rotate relative to the door body.
In this embodiment, a plurality of support shock-absorbing structures 3 may be provided to be supported on the peripheral side wall of the narrowing portion 4 of the inner tube 1.
Preferably, said supporting shock-absorbing structure 3 is supported on the lower side wall of the narrowing 4, close to the edge of the laundry opening 6.
The narrowing part 4 of the inner cylinder 1 in the scheme is arranged at the foremost end of the inner cylinder 1 and farthest away from the support of the rearmost end of the inner cylinder 1, and the narrowing part and the inner cylinder can be matched with each other to play a role in supporting and damping the whole inner cylinder 1, so that the best support effect is achieved.
In a further scheme, the upper end of the supporting and damping structure 3 is provided with a rotatable rolling part 7, the outer side wall of the inner cylinder 1 is provided with a contact area 8 matched with the rolling part 7, the rolling part 7 is supported in the contact area 8, and when the inner cylinder 1 rotates, the rolling part 7 rolls relative to the contact area 8.
The supporting shock absorption structure 3 is a shock absorption damping piece, and the rolling part 7 is a roller or a rolling ball arranged at the upper end of the shock absorption damping piece.
In this scheme, the lower extreme of shock attenuation damping piece can directly be connected with the casing, also can connect current attenuator to be connected with the casing. The upper end of the damping part is provided with a rolling part 7 which is in rolling contact with the outer side wall of the inner cylinder 1, so that the effect of supporting the inner cylinder 1 and not blocking the rotation of the inner cylinder 1 is realized, and the friction force between the inner cylinder 1 and the inner cylinder is reduced.
In the scheme, the contact area 8 is the area where the outer side wall of the inner cylinder 1 is in contact with the rolling part 7, and in order to reduce friction and play a certain positioning role, the contact area 8 is matched with the rolling part 7. Specifically, the arrangement of the contact region 8 includes, but is not limited to, the following schemes:
In the scheme 2, the contact area 8 is a circumferential plane arranged around the peripheral side wall of the inner cylinder 1, and the rolling part 7 rotates in the circumferential plane. The circumferential plane is arranged on the peripheral side wall of the narrowing part 4 of the inner cylinder 1 and/or on the peripheral side wall of the front end of the cylinder part 5.
In the scheme 3, the contact area 8 is a circumferential curved surface which is arranged around the peripheral side wall of the inner cylinder 1 and is matched with the rolling part 7, and the rolling part 7 rotates in the circumferential curved surface. The circumferential curved surface is arranged on the peripheral side wall of the narrowing part 4 of the inner cylinder 1 and/or on the peripheral side wall of the front end of the cylinder part 5.
Above three kinds of schemes can both reduce the friction that supports shock-absorbing structure 3 and inner tube 1 to guarantee the normal rotation washing function of inner tube 1, avoid wearing and tearing, reach the effect that reduces inner tube 1 vibration range.
Further, the surface of the contact area 8 and/or the surface of the rolling part 7 are/is further provided with a shock-absorbing wear-resistant layer 9.
The shock-absorbing wear-resistant layer 9 may be made of a wear-resistant material or an elastic material, and is adhered to the surface of the contact area 8 and/or the rolling part 7 to reduce friction between the two and reduce wear.
Preferably, the surface of the annular groove, or the circumferential plane or the circumferential curved surface is provided with a shock absorption wear-resistant layer 9.
Further, the surface of the contact zone 8 and/or the surface of the rolling part 7 are also provided with a self-lubricating layer 10.
The self-lubricating layer 10, which may be made of a self-lubricating material, adheres to the surface of the contact zone 8 and/or of the rolling portion 7, reducing the friction between the two, reducing the wear.
Preferably, the surface of the annular groove, or the circumferential plane or the circumferential curved surface is provided with a self-lubricating layer 10.
Further scheme still is provided with supporting seat 11 in the casing, has open holding cavity 12 in the supporting seat 11, the bottom setting of inner tube 1 is in holding cavity 12 of supporting seat 11, and the rotatable support of inner tube 1 is installed on the diapire of supporting seat 11.
The support base 11 of the present embodiment is the deformed outer cylinder 2, and mainly plays a role in supporting and damping the inner cylinder 1, thereby ensuring the working stability of the washing machine. Therefore, the opening of the supporting seat 11 is suspended, and the supporting seat does not need to be connected with the shell in a sealing manner. The supporting base 11 at least includes a bottom wall for supporting the central rotating shaft, and the length of the side wall can be shortened or even eliminated. In particular, the support base 11 of the present embodiment is preferably a basin-like structure.
Preferably, a shock absorbing structure 13 is disposed below the side wall of the support base 11. The shock-absorbing structure 13 includes a shock absorber installed in the middle of the bottom side wall of the support base 11. The shock absorbers comprise two shock absorbers which are symmetrically arranged on two sides of the side wall of the bottom of the outer barrel 2.
The top side wall of the supporting seat 11 is also provided with a damping hanging spring in a hanging manner. Preferably, the damping suspension spring is hung on one end of the top side wall of the supporting seat 11 close to the driving device.
Example two
As shown in fig. 3 to 5, the present embodiment is different from the first embodiment in that the support shock-absorbing structure 3 of the present embodiment is supported on the lower side wall of the front end of the cylindrical body portion 5 at the rear of the narrowing portion 4.
In the scheme, the contact area 8 is the area where the outer side wall of the inner cylinder 1 is in contact with the rolling part 7, and in order to reduce friction and play a certain positioning role, the contact area 8 is matched with the rolling part 7 at the upper end of the supporting damping structure 3. Specifically, the arrangement of the contact region 8 includes, but is not limited to, the following schemes:
In the scheme 2, the contact area 8 is a circumferential plane arranged around the peripheral side wall of the inner cylinder 1, and the rolling part 7 rotates in the circumferential plane. The circumferential plane is provided on the outer circumferential side wall of the front end of the barrel portion 5.
In the scheme 3, the contact area 8 is a circumferential curved surface which is arranged around the peripheral side wall of the inner cylinder 1 and is matched with the rolling part 7, and the rolling part 7 rotates in the circumferential curved surface. The circumferential curved surface is arranged on the peripheral side wall of the front end of the barrel part 5.
EXAMPLE III
The present embodiment is different from the first and second embodiments in that a plurality of support shock-absorbing structures 3 are provided in the present embodiment, and are supported on the lower side wall of the narrowing portion 4 and the lower side wall of the front end of the cylindrical body portion 5, respectively.
All set up support shock-absorbing structure 3 in this scheme in two positions, carry out the multiple spot and support, reach better supporting effect. In the present embodiment, as described in the first and second embodiments, the contact areas 8 for engaging with the rolling portions 7 are provided on both the outer peripheral side wall of the narrowing portion 4 of the inner cylinder 1 and the outer peripheral side wall of the front end of the cylinder portion 5, and the arrangement of the two contact areas 8 may be the same or different, and the specific implementation manner may be as described in the first and second embodiments.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A drum washing machine comprises a shell and an inner drum, wherein the inner drum is arranged in the shell, and the inner drum is used for containing water in the washing process.
2. A drum washing machine according to claim 1, characterized in that the front part of the inner drum is provided with a clothes input opening, the supporting and damping structure is arranged below the front part of the inner drum, and the contact position of the supporting and damping structure and the side wall of the inner drum is close to the clothes input opening.
3. A drum washing machine according to claim 1 or 2, characterized in that the front part of the inner drum comprises a narrowing part and a drum part which are arranged in sequence, the front end of the narrowing part forms a laundry input opening, the diameter of the narrowing part is smaller than that of the drum part, the supporting and damping structure is supported on the lower side wall of the narrowing part and/or the lower side wall of the front end of the drum part;
preferably, the support shock-absorbing structure is supported on the lower side wall of the narrowing portion and is close to the edge of the clothes input opening.
4. A drum washing machine according to any one of claims 1-3, characterized in that the supporting and damping structure is a damping element, the upper end of the damping element is provided with a rotatable rolling part, the outer side wall of the inner drum is provided with a contact zone matched with the rolling part, the rolling part is supported in the contact zone, and when the inner drum rotates, the rolling part rolls relative to the contact zone;
preferably, the rolling part is a roller or a rolling ball arranged at the upper end of the shock absorption damping piece.
5. A drum washing machine according to claim 4, characterized in that the contact zone is an annular groove provided around the peripheral side wall of the inner drum, and the rolling part of the upper end of the supporting and damping structure is positioned in the annular groove and can rotate relative to the annular groove;
preferably, the annular groove is provided on the peripheral side wall of the narrowing portion of the inner cylinder and/or on the peripheral side wall of the front end of the cylinder portion.
6. A drum washing machine according to claim 4, characterized in that the contact zone is a circumferential plane arranged around the peripheral side wall of the inner drum or a circumferential curved surface matched with the rolling part, and the rolling part rotates in the circumferential plane or the circumferential curved surface;
preferably, the circumferential plane or the circumferential curved surface is provided on the outer circumferential side wall of the narrowing portion of the inner cylinder and/or on the outer circumferential side wall of the front end of the cylinder portion.
7. A drum washing machine according to any one of claims 4-6, characterized in that the surface of the contact zone, and/or the surface of the rolling part, is/are further provided with a shock-absorbing wear-resistant layer;
preferably, the surface of the annular groove, or the circumferential plane or the circumferential curved surface is provided with a shock-absorbing wear-resistant layer.
8. A drum washing machine according to any one of claims 4-6, characterized in that the surface of the contact zone, and/or the surface of the rolling part, is/are further provided with a self-lubricating layer;
preferably, the surface of the annular groove, or the circumferential plane or the circumferential curved surface is provided with a self-lubricating layer.
9. A drum washing machine according to any one of claims 1-8, characterized in that the supporting and damping structure comprises a plurality of, two are arranged below the front part of the inner drum, and are symmetrically arranged at two sides of the clothes input opening;
preferably, two supporting and damping structures are further arranged above the front part of the inner barrel and symmetrically arranged on two sides of the clothes throwing-in opening;
preferably, the plurality of support shock-absorbing structures are each supported on an outer peripheral side wall of the narrowed portion of the inner tube.
10. A drum washing machine according to any one of claims 1-9, characterized in that a supporting seat is further provided in the housing, the supporting seat has an open receiving cavity therein, the bottom of the inner drum is disposed in the receiving cavity of the supporting seat, and the inner drum is rotatably supported and mounted on the bottom wall of the supporting seat;
preferably, a shock absorption structure is arranged below the side wall of the supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113699734A (en) * | 2021-10-11 | 2021-11-26 | 珠海格力电器股份有限公司 | Drum washing machine without outer drum |
| CN113699736A (en) * | 2021-10-11 | 2021-11-26 | 珠海格力电器股份有限公司 | Drum washing machine without outer drum |
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| CN113699736A (en) * | 2021-10-11 | 2021-11-26 | 珠海格力电器股份有限公司 | Drum washing machine without outer drum |
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