CN112377496A - Fastening structure for fixing washing barrel on frame and washing machine - Google Patents
Fastening structure for fixing washing barrel on frame and washing machine Download PDFInfo
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- CN112377496A CN112377496A CN202011367667.7A CN202011367667A CN112377496A CN 112377496 A CN112377496 A CN 112377496A CN 202011367667 A CN202011367667 A CN 202011367667A CN 112377496 A CN112377496 A CN 112377496A
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- 238000005406 washing Methods 0.000 title claims abstract description 208
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- 238000010008 shearing Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/10—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front with separate gripping parts moved into their final position in relation to the body of the device by a separate operation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The invention provides a fastening structure for fixing a washing barrel on a frame and a washing machine, wherein the fastening structure is used for fixing the washing barrel of the washing machine in the washing machine and comprises a conical bolt and a matching nut matched with the conical bolt; an inner conical surface through hole matched with the conical bolt is formed in the washing barrel, and a connecting hole corresponding to the inner conical surface through hole structure is formed in the connecting point of the washing barrel and the washing machine; the conical bolt penetrates through the inner conical surface through hole and the connecting hole, and the washing barrel is fixed inside the washing machine through matching of the nut and the conical bolt. The invention has the advantages that the washing barrel is fixed in the washing machine by utilizing the fastening structure, the contact area of the connection point of the washing barrel is increased, the surface stress of the connection point of the washing barrel is reduced, and the whole machine runs stably.
Description
Technical Field
The invention belongs to the technical field of washing machines, and particularly relates to a fastening structure for fixing a washing barrel on a frame and a washing machine.
Background
The existing washing machine comprises at least 1 washing barrel, and the washing barrel is generally fixed in the washing machine through bolts and nuts; when the washing machine works, the washing machine can shake due to the rotation of the washing barrel, large stress is borne on the fixed connection point between the washing barrel and the inside of the washing machine, and the connection part of the washing barrel is easy to deform and damage after long-term use.
For a multi-barrel washing machine, because the multi-barrel washing machine comprises at least two washing barrels, the internal pipelines of the frame are more, the structure is complex, the installation is troublesome, and the multi-barrel washing machine occupies too much internal space, and is not beneficial to the control of the volume of the whole machine on the premise that the space is originally limited. The washtub of current many tubs of washing machine sets up from top to bottom generally, the washtub of top is higher apart from ground, only rely on the inside support of washing machine to support and fix through ordinary bolt and nut, at the during operation, the vibration ability that the washtub of top produced can't be conducted downwards fast, the support that supports the washtub of top has born very big pressure and torsion, the washing tub has born great shear load and bending load with the fixed junction department of washing machine, this outer bolt and nut fixed department often has the clearance, the clearance leads to the washtub of top to rock very easily, the frame that leads to many tubs of washing machine is stable inadequately, it rocks to produce easily, washing machine's life-span and user experience have seriously been influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a fastening structure for fixing a washing barrel of a washing machine on a frame and the washing machine with the fastening structure, so as to solve the problems in the prior art.
The invention provides a fastening structure for fixing a washing barrel on a frame, which comprises a conical bolt, an inner conical surface through hole arranged on the washing barrel, a connecting hole arranged on the frame and corresponding to the inner conical surface through hole, and a matching nut matched with the conical bolt;
the conical bolt penetrates through the inner conical surface through hole and the connecting hole, and the washing barrel is fixed on the frame through matching of the nut and the conical bolt.
Furthermore, the taper bolt comprises a nut, a matching conical surface and a screw rod, wherein the matching conical surface is arranged on the surface of the nut and has the same shape with the inner conical through hole, the screw rod is arranged on the matching conical surface, and threads are arranged on the surface of the screw rod.
Furthermore, at least two inner conical surface through holes are formed in the washing barrel, and each inner conical surface through hole is assembled through a conical bolt and a matching nut; the inner conical surface through holes are uniformly distributed on the washing barrel.
Furthermore, the nut is provided with a notch, and when the fastening structure is used for assembling the washing barrel, the notch is in close contact with the surface of the washing barrel.
Furthermore, the surface of the matching conical surface and/or the surface of the inner conical surface via hole are provided with anti-skid patterns.
Furthermore, the matching conical surface is of a circular truncated cone-shaped structure, and the included angle between the side surface of the circular truncated cone and the bottom surface of the circular truncated cone is greater than or equal to 60 degrees and less than or equal to 80 degrees.
Further, the fastening structure is used for pressing the washing machine washing barrel on the frame.
Furthermore, the washing machine is a multi-barrel washing machine, the number of the washing barrels is at least two, and the at least two washing barrels are fixed together by the frame and are arranged up and down; the frame includes:
at least two press mounting structures;
the press mounting structure comprises at least two cross beam connecting structures, wherein the press mounting structures are connected through the cross beam connecting structures and are arranged at the left position and/or the right position of the press mounting structures, and each position at least comprises one cross beam connecting structure;
at least two washing barrels are fixed on the frame in turn.
Further, the pressure equipment structure includes:
at least two vertical beams;
at least one connecting beam and/or multifunctional connecting piece, which is arranged between the two vertical beams and is used for connecting the two vertical beams;
and a connecting hole of a washing bucket mounting position is formed on each multifunctional connecting piece or connecting beam and is arranged on the multifunctional connecting piece and/or the beam connecting structure.
Furthermore, the beam connecting structure comprises a beam and switching screw rods arranged at two ends of the beam; the switching screw rod is matched with the nut after penetrating through a through hole formed in the press mounting structure, and the press mounting structure is tightly connected with the cross beam connecting structure.
Furthermore, the two ends of the cross beam are provided with the switching nuts, the two ends of the switching screw rod are provided with the threads, and one end of the switching screw rod is matched with the switching nuts, so that the switching screw rod is fixed on the cross beam.
Furthermore, two ends of the cross beam are provided with limit grooves, and the switching nuts are arranged in the limit grooves.
Furthermore, the press mounting structure is connected with the cross beam connecting structure through an angle code connecting structure; the corner brace connecting structure comprises a corner brace, a fastening bolt penetrating through the corner brace and the press-fitting structure and/or the cross beam connecting structure, and a fastening nut matched with the fastening bolt.
Furthermore, the beam connecting structure is perpendicular to the press mounting structure, and the right-angle positions formed by the beam connecting structure and the press mounting structure are provided with angle code connecting structures.
The invention also provides a washing machine, and the washing barrel of the washing machine is fixed by adopting any one of the fastening structures.
Furthermore, the washing machine is a multi-barrel washing machine, a frame is arranged in the multi-barrel washing machine, and the fastening structure is used for fixing at least two washing barrels in the multi-barrel washing machine.
Furthermore, the washing machine is a three-barrel washing machine and is provided with two oppositely arranged press mounting structures, the press mounting structures are connected through at least four cross beam connecting structures, the press mounting structures are arranged at the left position and/or the right position of the press mounting structures, each position comprises at least two cross beam connecting structures, and a barrel mounting position is formed on each of the two press mounting structures.
Further, the three-tub washing machine includes an upper washing tub, a middle washing tub, and a lower washing tub; wherein the upper washing barrel is arranged above the frame, the lower washing barrel is arranged below the frame, and the middle washing barrel is arranged in the middle of the frame but is not fixed on the frame; the upper washing barrel and the lower washing barrel are connected through a frame; the upper washing tub is smaller in size than the lower washing tub.
Furthermore, the two press mounting structures are symmetrically arranged, the two press mounting structures are parallel to the vertical plane or the included angle between the two press mounting structures and the vertical plane is less than or equal to 30 degrees, and the distance between the upper parts of the two press mounting structures is less than the distance between the lower parts of the two press mounting structures.
By adopting the technical scheme, the fastening structure for fixing the washing barrel of the washing machine comprises a conical bolt and a matched nut matched with the conical bolt; an inner conical surface through hole matched with the conical bolt is formed in the washing barrel, and a connecting hole corresponding to the inner conical surface through hole structure is formed in the connecting point of the washing barrel and the washing machine; the conical bolt penetrates through the inner conical surface through hole and the connecting hole, and the washing barrel is fixed inside the washing machine through matching of the nut and the conical bolt. Utilize the conical fastening structure to fix the washing barrel inside the washing machine, increase the area of contact of fastening structure and washing barrel junction, reduce the surface stress of washing barrel junction, make washing machine during operation more stable.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of the structure of the frame of the present invention assembled to a multi-tub washing machine;
FIG. 2 is a schematic view of an assembled exploded structure of the frame of the present invention;
FIG. 3 is a schematic structural view of the press-fitting structure of the present invention;
FIG. 4 is a schematic structural view of a beam structure according to the present invention;
FIG. 5 is an assembled view of the tapered fastening structure of the present invention;
FIG. 6 is a schematic structural view of the taper bolt of the present invention;
FIG. 7 is a schematic structural view of a frame connected to a washing tub according to another embodiment of the present invention;
in the figure: the washing machine comprises a frame 1, a press-fitting structure 11, vertical beams 111, connecting beams 112, a multifunctional connecting piece 113, an arc-shaped frame 1131, a cross beam connecting structure 12, a cross beam 121, a switching screw 122, a nut 123, a switching nut 124, a limiting groove 125, an angle code connecting structure 3, an angle code 31, a first fastening bolt 32, a first fastening nut 33, a second fastening bolt 34, a second fastening nut 35, an upper washing barrel 41, a lower washing barrel 42, an inner frame 43, a fastening structure 5, a conical bolt 51, a nut 511, a matching conical surface 512, a screw 513, an inner conical surface through hole 52, a matching nut 53 and a connecting hole 54.
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 of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 5 and 6, a fastening structure 5 for fixing a washing tub of a washing machine on a frame, the washing tub having at least 1 and being disposed inside the washing machine, the frame 1 being disposed inside the washing machine, the washing tub being fixed on the frame 1 by the fastening structure 5, the fastening structure 5 including a taper bolt 51, and a fitting nut 53 fitted with the taper bolt 51; an inner conical surface via hole 52 matched with the conical bolt 51 is arranged on the washing barrel, and a connecting hole 54 corresponding to the inner conical surface via hole is arranged on the frame 1; the taper bolt 51 passes through the inner taper surface passing hole 52 and the connection hole 54, and the washing tub is fixed on the frame 1 inside the washing machine by the cooperation of the fitting nut 53 and the taper bolt 51, and preferably, the fastening structure 5 is used for press-fitting the washing tub of the washing machine on the frame.
The taper bolt 51 includes a nut 511, a mating taper surface 512 formed on a surface of the nut 511 and having the same shape as the inner tapered through hole 52, and a screw 513 formed on the mating taper surface 512, wherein a surface of the screw 513 is provided with a thread, and the thread is engaged with an inner thread of the mating nut 53. Because the conical bolt 51 comprises the matching conical surface 512, the matching conical surface 512 is matched with the inner conical surface via hole 52, the contact area of the joint of the bolt and the washing barrel is increased, the surface stress of the joint of the washing barrel is reduced, and the working stability and the service life of the washing machine are further improved; when the matching nut 53 tightens the taper bolt 51, the matching of the inner conical surface greatly reduces the radial clearance when the taper bolt 51 is fastened, ensures the connection integrity of the clothes treatment barrel and the rigid connection structure, and reduces the vibration problem caused by the assembly clearance between the clothes treatment barrel and the frame when the clothes treatment barrel operates.
Further, the nut 511 is provided with a notch 514, and when the washing tub is assembled using the fastening structure 5, the notch 514 is in close contact with the surface of the washing tub. The surface of the matching conical surface 512 and/or the surface of the inner conical surface via hole 52 are/is provided with anti-slip patterns, and the anti-slip patterns can enable the matching conical surface 512 and the inner conical surface via hole 52 to be combined more tightly and not to shake easily. The cooperation conical surface is round platform column structure, and the contained angle more than or equal to 60 degrees and less than or equal to 80 degrees of round platform side and bottom surface is preferably 75 degrees, and when the angle was too big, the area increase of washing barrel junction was not enough, and the surface stress effect that reduces the junction is not obvious, and when the angle was too little, the interior conical surface via hole that needs to set up on the washing barrel was too wide, and difficult processing increases cost and inside occupation space, easy rupture damage moreover. Further, the fastening structure 5 is an integrally formed structure, and the strength of the fastening structure can be increased by the integrally formed structure, so that the fastening structure is more durable. A gasket 55 is arranged between the conical bolt 51 and the matching nut 53; during assembly, the gasket 55 is sleeved on the screw 513, one surface of the gasket 55 is in contact with the surface around the connecting hole 54, and the other surface of the gasket 55 is in contact with the matching nut 53.
Further, at least one of the fixed connection points of the washing tub and the frame 1 is fixedly connected by a fastening structure 5. Further, the washing tub is provided with at least two or more inner tapered surface through holes 52 uniformly distributed, and each inner tapered surface through hole 52 is assembled by a tapered bolt 51 and a fitting nut 53.
As shown in fig. 1, 2 and 7, the washing machine is a multi-tub washing machine, at least two washing tubs are provided, at least two washing tubs are fixed together by a frame 1, and the washing tubs are arranged up and down; the frame 1 includes: the press mounting structure comprises at least two press mounting structures 11, at least two cross beam connecting structures 12 and at least one cross beam connecting structure 12, wherein the press mounting structures 11 are connected through the cross beam connecting structures 12, the cross beam connecting structures 12 are arranged at the left position and/or the right position of the press mounting structures 11, and each position at least comprises one cross beam connecting structure 12; the press-fitting structure 11 and the beam connecting structure 12 can be fixed by welding or screws, and the washing barrel is sequentially fixed on the press-fitting structure and/or the beam connecting structure from top to bottom through the fastening structure 5.
The opening direction of the washing tub may be directed toward the press-fitting structure 11 or toward the cross-member coupling structure 12.
When two press-fitting structures 11 are arranged, the two press-fitting structures are arranged oppositely, and the beam connecting structure 12 is arranged between the two press-fitting structures 11 and connected with the two press-fitting structures 11; when three press-fitting structures 11 are arranged, every two adjacent press-fitting structures 11 are connected through a cross beam 12 structure.
The press-fitting structure 11 and the beam connecting structure 12 are made of rigid materials, the press-fitting structure 11 and the beam connecting structure 12 are matched to realize large-span connection, the upper washing barrel and the lower washing barrel are connected through the frame 1, so that the upper washing barrel moves down vibration energy through the frame 1 in the working process, and the whole operation stability of the washing machine is kept. The press-fitting structure 11 can reduce the shearing load and bending load at the connection point (for example, connection bolt, welding point, etc.) of the washing tub and the frame, and improve the safety factor of the connection point and the whole washing machine.
As shown in fig. 3, preferably, the press-fitting structure 11 includes: at least two vertical beams 111; at least one connecting beam 112 and/or a multifunctional connecting member 113 disposed between the vertical beams 111 for connecting the vertical beams 111; namely, the vertical beams 111 can be directly connected through the connecting beam 112 or the multifunctional connecting piece 113; the vertical beams 111 can also be connected through the connecting beam 112 and the multifunctional connecting piece 113, preferably, when the connecting beam 112 and the multifunctional connecting piece 113 are connected with the vertical beams 111 together, the left and right ends of the multifunctional connecting piece 113 are respectively fixed on the left and right vertical beams 111, and the upper edge or the lower edge of the multifunctional connecting piece 113 is fixed on the connecting beam 112; the connecting holes 54 corresponding to the inner conical surface through holes 52 are arranged on the multifunctional connecting piece 113 and/or the beam connecting structure 12.
On the basis of the above embodiment, it is further preferable that the press-fitting structure 11 has two vertical beams 111, two connecting beams 112, and two multifunctional connecting members 113, the two multifunctional connecting members are respectively disposed above and below the press-fitting structure 11, the lower end of the upper multifunctional connecting member 113 is fixed on the connecting beam 112, and the upper end of the lower multifunctional connecting member 113 is fixed on the connecting beam 112; an arc-shaped notch is formed in each of the two multifunctional connecting pieces 113 to form a barrel mounting position corresponding to the opening of the washing barrel, so that the multifunctional connecting pieces 113 are ensured not to shield the washing barrel; the middle of the plate of the lower multifunctional connecting piece 113 is of a hollow structure, the lower multifunctional connecting piece 113 comprises an arc-shaped frame 1131, a left frame, a right frame and an upper frame, the arc-shaped frame 1131 is connected with the upper frame, and the arc-shaped frame 1131 corresponds to the opening of the lower washing barrel to prevent the lower multifunctional connecting piece 113 from shielding the washing barrel; the lower multifunctional connecting piece 113 is an integrally formed structure; because the multifunctional connecting piece of below connects the washtub of below, the washtub of below is established in the place nearer apart from ground, and its vibration can directly be conducted for ground, and the multifunctional connecting piece 113 of below adopts hollow out construction, and maximum save material when can guaranteeing the complete machine even running reduces cost, and the structure of while fretwork also makes things convenient for the installation of other spare parts in the washing machine. Furthermore, the vertical beams 111 and the connecting beams 112 are square-tube sections or round-tube sections, and the pipelines of the washing machine can be placed in the vertical beams 111 and/or the connecting beams 112, so that the pipelines are stable and do not move during operation, meanwhile, the internal space of the washing machine can be saved, and the arrangement design of parts in the washing machine is neat, and the washing machine is convenient to install and maintain.
Further, the connection hole 54 is provided on the multi-function connection member 113, and the connection hole 54 may also be opened on the beam connection structure 12.
As shown in fig. 4, further, the beam connecting structure 12 includes a beam 121, and adaptor screws 122 disposed at both ends of the beam 121; the adapting screw 122 passes through a through hole formed in the press-fitting structure 11 and then is matched with the nut 123, so that the press-fitting structure 11 and the beam connecting structure 12 are fastened and connected. The two ends of the cross beam 121 are provided with the adapting nuts 124, the two ends of the adapting screw 122 are provided with threads, and one end of the adapting screw 122 is matched with the adapting nuts 124, so that the adapting screw 122 is fixed on the cross beam. The two ends of the beam 121 are provided with a limiting groove 125, and the adapting nut 124 is arranged in the limiting groove 125. The press-fitting structure 11 and the beam connecting structure 12 are assembled by the cooperation of the adapting screw 122 and the nut 123, so that the assembly and disassembly of the washing machine are more convenient. The limit groove 125 limits the assembly accuracy of the adapting nut 124, reduces assembly errors, and avoids vibration of the frame caused by the assembly errors.
Further, the beam connection structure 12 is assembled perpendicular to the press-fitting structure 11. The press mounting structure 11 is connected with the beam connecting structure 12 through the corner connector connecting structure 3; the corner brace connecting structure 3 comprises a corner brace 31, a fastening bolt penetrating through the corner brace 31 and the press-fitting structure 11 and/or the beam connecting structure 12, and a fastening nut matched with the fastening bolt. Preferably, the right-angle positions formed by the beam connecting structure 12 and the press-fitting structure 11 are both provided with an angle code connecting structure. The bearing capacity of the frame 1 is further improved by arranging the corner brace connecting structure 3, the twisting in different directions of the frame generated when a plurality of washing barrels operate is effectively restrained, the transmission efficiency of vibration energy is improved, and the washing machine is more stable when operating.
Further, the fastening bolt includes a first bolt 32 and a second bolt 34, and the fastening nut includes a first nut 33 and a second nut 35; one end face of the corner connector 31 is matched with the press-fitting structure 11 and is fastened through a first bolt 32 and a first nut 33; the other end face is fastened to the beam connecting structure 12 by a second bolt 34 and a second nut 35. The first bolt 32, the first nut 33 and the adapter screw 122 fastening structure together limit the up-and-down assembling movement between the press-fitting structure 11 and the beam connecting structure 12; the second bolts 34, the second bolts 35 and the switching screw fastening structures limit the left and right assembling movement between the press mounting structure 11 and the beam connecting structure 12, and the two groups of fastening structures act together to improve the rigidity of the frame in combination with the form of the corner brace connecting structure 3.
The invention also provides a washing machine, which adopts the fastening structure 5 of any embodiment to fix the washing tub on the frame 1. Preferably, the washing machine is a multi-tub washing machine, a frame 1 is provided in the multi-tub washing machine, and the fastening structure 5 is used for fixing at least two washing tubs of the multi-tub washing machine.
Further, the washing machine is a three-tub washing machine, and has two press-fitting structures 11 arranged oppositely, the press-fitting structures 11 are connected by at least four beam connecting structures 12, which are arranged at the left and/or right of the press-fitting structures 11, and each position includes at least two beam connecting structures 12. The three-tub washing machine includes an upper washing tub 41, a middle washing tub (not shown in the drawings), and a lower washing tub 42; the upper washing barrel 41 is arranged above the frame 1, the lower washing barrel 42 is arranged below the frame 1, the middle washing barrel is arranged in the middle of the frame 1, preferably, the middle washing barrel is arranged in the middle of the frame and is not fixed with the frame, but fixed with the frame main body positioned outside the frame, only the upper washing barrel 41 and the lower washing barrel 42 are connected through the frame 1, and the upper washing barrel and the lower washing barrel are connected through the frame, so that the balance is better ensured; it is further preferable that the upper washing tub 41 is smaller in size than the lower washing tub 42. The middle washing tub can be fixed on the frame 1, also can be fixed on the inner frame 43 of the washing machine, the middle washing tub can also be fixed on the frame 1 and the inner frame 43; through setting up frame 1, it is more firm to make three-tub washing machine be that the washtub is fixed, because it is higher to go up washtub 41 apart from ground, the during operation vibration is great, and well washtub is lower with lower washtub 42 relative distance ground, the quick conduction of vibration ability to ground, through setting up frame 1, to go up washtub 41 and wash tub 42 down and directly be connected through frame 1, the vibration of making to go up washtub 41 when handling the clothing obtains reasonable transition, the vibration moves down through the connecting piece, make the complete machine operate steadily.
Further, the two press mounting structures 11 are symmetrically arranged, the two press mounting structures 11 are parallel to a vertical plane or the included angle between the two press mounting structures 11 and the vertical plane is less than or equal to 30 degrees, the distance between the upper parts of the two press mounting structures is less than the distance between the lower parts of the two press mounting structures, namely, the frame 1 is in a trapezoid shape, the section of the frame 1 is an isosceles triangle, and preferably, the included angle between the press mounting structures 11 and the vertical plane is 5-8 degrees; because the press-fitting structures 11 are arranged in an inclined and symmetrical manner, the frame 1 is in a frustum-shaped structure with a small upper part and a large lower part, and when the upper washing barrel 41 is arranged on the frame 1, the structure is more stable and is not easy to deform.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (19)
1. A fastening structure for fixing a washing tub to a frame, characterized in that: the fastening structure comprises a conical bolt, an inner conical surface through hole arranged on the washing barrel, a connecting hole arranged on the frame and corresponding to the inner conical surface through hole, and a matching nut matched with the conical bolt;
the conical bolt penetrates through the inner conical surface through hole and the connecting hole, and the washing barrel is fixed on the frame through the matching of the matching nut and the conical bolt.
2. The fastening structure according to claim 1, characterized in that: the taper bolt comprises a nut, a matching conical surface and a screw rod, wherein the nut surface is matched with the matching conical surface, the shape of the matching conical surface is the same as that of the inner conical through hole, the screw rod is arranged on the matching conical surface, and threads are arranged on the surface of the screw rod.
3. The fastening structure according to claim 1, wherein at least two of said internally tapered surface through holes are provided on said washing tub, and each of said internally tapered surface through holes is assembled by said tapered bolt and said fitting nut; the inner conical surface through holes are uniformly distributed on the washing barrel.
4. The fastening structure according to claim 2, characterized in that: the nut is provided with a notch, and when the fastening structure is used for assembling the washing barrel, the notch is in close contact with the surface of the washing barrel.
5. The fastening structure according to claim 2, characterized in that: and anti-skid patterns are arranged on the surface of the matching conical surface and/or the surface of the inner conical surface via hole.
6. The fastening structure according to claim 2, characterized in that: the matching conical surface is of a circular truncated cone-shaped structure, and the included angle between the side surface of the circular truncated cone and the bottom surface of the circular truncated cone is greater than or equal to 60 degrees and less than or equal to 80 degrees.
7. The fastening structure according to claim 1, characterized in that: the fastening structure is used for press-fitting the washing tub to the frame.
8. The fastening structure according to claim 1, characterized in that: the washing machine is a multi-barrel washing machine, the number of the washing barrels is at least two, and the at least two washing barrels are fixed together by the frame and are arranged up and down; the frame includes:
at least two press mounting structures;
the press mounting structure comprises at least two cross beam connecting structures, wherein the press mounting structures are connected through the cross beam connecting structures and are arranged at the left position and/or the right position of the press mounting structures, and each position at least comprises one cross beam connecting structure;
the at least two washing barrels are sequentially fixed on the frame from top to bottom.
9. The fastening structure according to claim 8, wherein the press-fitting structure comprises:
at least two vertical beams;
at least one connecting beam and/or multifunctional connecting piece, which is arranged between the two vertical beams and is used for connecting the two vertical beams;
a washing barrel mounting position is formed on each multifunctional connecting piece or connecting beam; and the connecting holes corresponding to the inner conical surface via holes are formed in the multifunctional connecting piece and/or the beam connecting structure.
10. The fastening structure according to claim 8, characterized in that: the beam connecting structure comprises a beam and switching screws arranged at two ends of the beam; the switching screw rod penetrates through a through hole formed in the press mounting structure and then is matched with a nut, and the press mounting structure is tightly connected with the cross beam connecting structure.
11. The fastening structure according to claim 10, characterized in that: the connecting device is characterized in that switching nuts are arranged at two ends of the cross beam, screw threads are arranged at two ends of the switching screw rod, and one end of the switching screw rod is matched with the switching nuts, so that the switching screw rod is fixed on the cross beam.
12. The fastening structure according to claim 11, characterized in that: limiting grooves are formed in two ends of the cross beam, and the switching nuts are arranged in the limiting grooves.
13. The fastening structure according to any one of claims 8 to 12, wherein: the press mounting structure is connected with the cross beam connecting structure through an angle code connecting structure; the corner brace connecting structure comprises a corner brace, a fastening bolt penetrating through the corner brace and the press-fitting structure and/or the cross beam connecting structure, and a fastening nut matched with the fastening bolt.
14. The fastening structure according to claim 13, characterized in that: the beam connecting structure is assembled perpendicular to the press mounting structure; the right-angle positions formed by the beam connecting structure and the press-fitting structure are provided with the corner connector connecting structure.
15. A washing machine characterized by: the washing machine employs the fastening structure of any one of claims 1 to 14.
16. A washing machine as claimed in claim 15, wherein: the washing machine is a multi-barrel washing machine, the frame is arranged in the multi-barrel washing machine, and the fastening structure is used for fixing at least two washing barrels of the multi-barrel washing machine.
17. The washing machine as claimed in claim 16, wherein the washing machine is a three-tub washing machine, and there are two press-fitting structures arranged opposite to each other, the press-fitting structures are connected to each other by at least four beam connecting structures arranged at left and/or right positions of the press-fitting structures, and each of the beam connecting structures includes at least two beam connecting structures, and a tub mounting position is formed at upper and lower positions of each of the two press-fitting structures.
18. The washing machine as claimed in claim 17, wherein the three-tub washing machine includes an upper washing tub, a middle washing tub, and a lower washing tub; wherein the upper washing tub is disposed above the frame, the lower washing tub is disposed below the frame, and the middle washing tub is disposed at a middle position of the frame but is not fixed to the frame; the upper washing tub and the lower washing tub are connected by the frame; the upper washing tub is smaller in size than the lower washing tub.
19. The washing machine as claimed in claim 18, wherein the two press-fitting structures are symmetrically arranged, the two press-fitting structures are parallel to a vertical plane or form an angle of 30 degrees or less with the vertical plane, and the distance between the upper sides of the two press-fitting structures is smaller than the distance between the lower sides of the two press-fitting structures.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011367667.7A CN112377496A (en) | 2020-11-28 | 2020-11-28 | Fastening structure for fixing washing barrel on frame and washing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011367667.7A CN112377496A (en) | 2020-11-28 | 2020-11-28 | Fastening structure for fixing washing barrel on frame and washing machine |
Publications (1)
Publication Number | Publication Date |
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CN112377496A true CN112377496A (en) | 2021-02-19 |
Family
ID=74587464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011367667.7A Pending CN112377496A (en) | 2020-11-28 | 2020-11-28 | Fastening structure for fixing washing barrel on frame and washing machine |
Country Status (1)
Country | Link |
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CN (1) | CN112377496A (en) |
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2020
- 2020-11-28 CN CN202011367667.7A patent/CN112377496A/en active Pending
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