CN111022476A - Fastening assembly, assembling method thereof and washing machine using fastening assembly - Google Patents
Fastening assembly, assembling method thereof and washing machine using fastening assembly Download PDFInfo
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- CN111022476A CN111022476A CN201911396133.4A CN201911396133A CN111022476A CN 111022476 A CN111022476 A CN 111022476A CN 201911396133 A CN201911396133 A CN 201911396133A CN 111022476 A CN111022476 A CN 111022476A
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- 238000005406 washing Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 239000012634 fragment Substances 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
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
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
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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
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/001—Arrangements for transporting, moving, or setting washing machines; Protective arrangements for use during transport
-
- 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
- F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
- F16B43/002—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts with special provisions for reducing friction
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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 assembly, an assembling method and a washing machine using the same, wherein the fastening assembly comprises a bolt, a gasket, an elastic supporting piece and a wear-resistant supporting sleeve; the bolt passes gasket, elastic support piece and wear-resisting support cover in proper order, wherein: the bolt comprises a bolt cap and a screw rod; a through hole for the screw to pass through is formed in the middle of the elastic supporting piece, and the inner diameter of the through hole is larger than the outer diameter of the screw; the wear-resistant support sleeve comprises a first vertical sleeve, a second vertical sleeve and an intermediate cylinder positioned between the first vertical sleeve and the second vertical sleeve, and at least one radial protrusion with the outer diameter larger than that of the first vertical sleeve is formed on the outer peripheral wall of the intermediate cylinder; when the washing machine assembly is used for transportation, the barrel is limited from shaking in the front-back direction, a good fastening effect can be achieved, the buffering effect is obvious, and the back plate of the washing machine is prevented from deforming; meanwhile, the fastening assembly does not generate a large amount of scraps due to friction during transportation, so that the appearance of the washing machine is not affected.
Description
Technical Field
The invention relates to the technical field of fixation, in particular to a fastening assembly, an assembling method thereof and a washing machine using the fastening assembly.
Background
With the rapid development of society, people have higher and higher requirements on life style and level, and living environment changes continuously, so that new household appliances are inevitably added or household appliances are inevitably carried, and the washing machine is especially used as an indispensable washing machine in daily life. Washing machine volume, quality are great relatively, need consider not only convenient and fast in the handling still to consider the integrity of each part of washing machine equipment in the transport, consequently when carrying washing machine, in order to prevent rocking of washing machine, the unnecessary damage such as colliding with, often adopts the transportation bolt subassembly to fix washing machine: because the mounting holes are formed in the back plate of the outgoing washing machine, when the washing machine is fixed, the transportation bolt assembly sequentially penetrates through the mounting holes in the back plate of the washing machine box body, the tip of the bolt is screwed into the washing barrel of the washing machine, and then the bolt is continuously screwed to fix the back plate and the washing barrel of the washing machine firmly.
In order to solve the problems, patent CN204099377U discloses a rubber sleeve transportation bolt, which adopts a rubber sleeve and a back plate metal plate hole clamp, and has the obvious disadvantage that the rubber sleeve and the metal plate hole are seriously worn in the transportation process of a bumpy road section for a long time, so that a large amount of rubber fragments are generated, and the appearance of the washing machine is affected. Patent number is CN2887935Y discloses an injection molding protective sheath transportation bolt, and more obvious shortcoming is lacking the buffering effect, and the section of thick bamboo subassembly is close rigid connection with the transportation bolt, and great vibration appears in the transportation and can lead to the transportation bolt to draw the local deformation of back plate mounting hole, destroys the washing machine outward appearance. Therefore, a new scheme is urgently needed to be provided, and the problem that the back plate and the washing barrel of the washing machine are firmly fixed is solved on the premise that the attractiveness of the washing machine is not influenced and the back plate does not deform.
Disclosure of Invention
The invention aims to provide a fastening component, an assembling method and a washing machine using the fastening component, wherein the washing machine using the fastening component adopts a back plate inner and outer clamping mode to limit the shaking of a barrel in the front and back directions in the transportation process of the washing machine after the assembly and fixation are carried out by using the assembling method provided by the invention, so that a good fastening effect can be achieved, and the buffering effect is obvious; meanwhile, the phenomenon that a large amount of fragments are ground in the transportation process to influence the appearance of the washing machine is avoided.
In order to achieve the purpose, the invention adopts the following technical scheme: a fastening assembly for fastening a first fixed object and a second fixed object comprises a bolt, a gasket, an elastic supporting piece and a wear-resistant supporting sleeve; the bolt passes gasket, elastic support piece and wear-resisting support cover in proper order, wherein: the bolt comprises a bolt cap and a screw rod; a through hole for the screw to pass through is formed in the middle of the elastic supporting piece, and the inner diameter of the through hole is larger than the outer diameter of the screw; the wear-resistant support sleeve comprises a first vertical sleeve, a second vertical sleeve and an intermediate cylinder positioned between the first vertical sleeve and the second vertical sleeve, and at least one radial protrusion with the outer diameter larger than that of the first vertical sleeve is formed on the outer peripheral wall of the intermediate cylinder; when the fastening assembly is used for fastening a first fixed object and a second fixed object, the bottom of the bolt cap is in contact with the upper surface of the gasket, the upper end surface of the elastic supporting piece is in contact with the lower surface of the gasket, and a gap with a certain height is formed between the lower end surface of the elastic supporting piece and the upper end surface of the radial protrusion, so that when the fastening assembly is fixed on the first fixed object, the first fixed object is limited between the lower end surface of the elastic supporting piece and the upper end surface of the radial protrusion; the wear-resistant support sleeve is sleeved on the screw rod, and the first vertical sleeve of the wear-resistant support sleeve is assembled and inserted into the annular gap between the elastic support piece and the screw rod and is in interference fit with the inner wall surface of the through hole of the elastic support piece.
Further optionally, two pairs of radial protrusions, namely a first protrusion and a second protrusion, symmetrically distributed on the same horizontal line on the outer peripheral wall of the middle cylinder, are larger than the outer diameter of the first vertical sleeve, wherein the width of the first protrusion is larger than the width of the second protrusion, the height of the first protrusion is smaller than that of the second protrusion, the inner side face of the first fixed object is used for fixing, the second fixed object can be prevented from shaking in the front-back direction by matching with the elastic piece, and a good fastening effect can be achieved.
Further optionally, the elastic support is made of a rubber material, and the rubber support has both a fastening effect and a buffering effect.
Further optionally, the wear-resistant support sleeve is an injection molding part with certain hardness and wear resistance, and mainly plays a role in supporting and buffering, and meanwhile, the wear-resistant support sleeve is in contact with the mounting hole, so that fragments cannot be generated due to friction to affect the attractiveness of the washing machine.
The invention also provides an assembly method which is suitable for any one of the fastening assemblies for fixing a first fixed object and a second fixed object, wherein a first vertical sleeve of the wear-resistant support sleeve is assembled and inserted into an annular gap between the elastic support piece and the screw rod to form a first gap with the lower surface of the gasket; the first fixed object is provided with a mounting hole corresponding to the radial bulge on the middle cylinder of the wear-resistant supporting sleeve body; a screw rod of the bolt penetrates through the mounting hole, the upper surface of the radial protrusion is in contact with the inner surface of the first fixed object, and a second gap is formed between the lower surface of the elastic support and the inner surface of the first fixed object; wherein the second gap is less than or equal to the first gap; and the second fixed object is correspondingly provided with a threaded hole which is matched with the screw rod to play a role in fixing. In the process of screwing the bolt, the screw rod moves towards the direction of the threaded hole, the first gap and the second gap are both continuously reduced, the first gap is larger than the second gap, the second gap can be guaranteed to be finally reduced to zero, and therefore the elastic supporting piece can abut against the outer side face of the rear back plate.
Further optionally, the mounting hole is a sharp edge on one side of the inner surface of the first fixed object, and the mounting hole is in contact with the wear-resistant support sleeve, so that the elastic sleeve body cannot generate fragments due to friction with the mounting hole.
The invention also provides a washing machine which adopts the fastening assembly and/or the assembling method in any one of the above processes in the transportation or moving process, wherein the first fixed object is a back plate of the washing machine, and the second fixed object is a washing barrel of the washing machine.
The fastening component and the assembling method provided by the invention can be used for fixing the back plate and the washing barrel of the washing machine in the transportation or moving process of the washing machine, and solve the following problems:
1. at present, in the rubber sleeve transportation bolt, because the washing machine shakes and jolts in the transportation process, continuous extrusion and friction exist between the rubber sleeve and a matched metal plate hole, a large amount of scraps are ground out from the rubber sleeve by a metal plate, and the appearance of the rear side of the washing machine is seriously influenced;
2. present injection molding protective sheath transportation bolt, the cushioning effect is very limited, and great vibration appears in the transportation and can lead to the transportation bolt to draw the local deformation of back plate mounting hole, destroys the washing machine outward appearance.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are merely some embodiments of the present disclosure, and other drawings may be derived from those drawings by those of ordinary skill in the art without inventive effort.
FIG. 1: the structure of the fastening component in one embodiment of the invention is schematically assembled;
FIG. 2: a cross-sectional view of the fastening assembly after assembly in one embodiment of the invention;
FIG. 3: a schematic view of a mounting hole in an embodiment of the invention;
FIG. 4: the installation of the intermediate cylinder in one embodiment of the invention is schematically illustrated.
In the figure:
1-a first fixed object; 2-a fastening assembly; 21-bolt; 211-bolt cap; 212-screw rod; 22-a resilient support; 221-a through hole; 23-wear-resistant support sleeve; 231-a first vertical sleeve; 232-a first vertical sleeve; 233-middle cylinder; 2331-a first bump; 2332-a second protrusion; 24-a gasket; 3-a first gap; 4-a second gap; 5-mounting holes; 6-second fixed object
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 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.
At present subregion washing machine on the market in the transportation, the fixing device who adopts, has the rubber sleeve to be ground out a large amount of pieces by the panel beating, seriously influences the outward appearance of washing machine rear side. Or the transportation bolt can locally draw and deform the mounting hole of the back plate due to larger vibration in the transportation process, thereby damaging the appearance of the washing machine.
The application aims to provide a fastening component and an assembly method, and a washing machine using the fastening component and the assembly method can avoid large-amplitude shaking during transportation; the fastening component adopts a mode of clamping the inner side and the outer side of the back plate of the washing machine, limits the swinging of the washing barrel in the front and back directions, can play a good fastening role and has an obvious buffering role; meanwhile, the mounting hole in the back plate of the washing machine is not directly contacted with the rubber sleeve, so that the phenomenon that a large amount of scraps are ground in the transportation process to influence the appearance of the washing machine is avoided.
Examples
As shown in fig. 1 to 4, the present embodiment provides a washing machine that fixes a first fixed object 1, i.e., a rear panel of the washing machine, and a second fixed object 6, i.e., a washing tub of the washing machine, together using a fastening assembly during transportation or movement. Preferably, the fastening assembly comprises a bolt 21, a washer 24, an elastic support 22 and a wear-resistant support sleeve 23; the bolt 21 passes through the gasket 24, the elastic support member 22 and the wear-resistant support sleeve 23 in sequence, wherein: the bolt 21 includes a bolt cap 211 and a screw 212; a through hole 221 for the screw 212 to pass through is formed in the middle of the elastic support 22, and the inner diameter of the through hole 221 is larger than the outer diameter of the screw 212; the wear-resistant support sleeve 23 comprises a first vertical sleeve 231, a second vertical sleeve 232 and an intermediate cylinder 233 positioned between the first vertical sleeve 231 and the second vertical sleeve 232, wherein at least one radial protrusion with the outer diameter larger than that of the first vertical sleeve 231 is formed on the outer peripheral wall of the intermediate cylinder 233; when the fastening assembly is used for fastening a rear back plate and a washing tub of a washing machine, the bottom of the bolt cap 211 is in contact with the upper surface of the gasket 24, the upper end surface of the elastic support member 22 is in contact with the lower surface of the gasket 24, and a gap with a certain height is formed between the lower end surface of the elastic support member and the upper end surface of the radial protrusion, so that when the fastening assembly is fixed on a first fixed object, the first fixed object is limited between the lower end surface of the elastic support member and the upper end surface of the radial protrusion; the wear-resistant support sleeve 23 is sleeved on the screw 212, and the first vertical sleeve 231 of the wear-resistant support sleeve 23 is assembled and inserted into the annular gap between the elastic support 22 and the screw 212 and generates interference fit with the inner wall surface of the through hole 221 of the elastic support 22. As shown in fig. 4, the head of the first vertical sleeve 231 is forced into the through hole 221 of the elastic support 22 by the force applied thereto to form an interference fit.
Preferably, the resilient support 22 is a rubber material that provides both a fastening and a cushioning effect. Preferably, the wear-resistant support sleeve 23 is an injection molding with certain hardness and wear resistance, and mainly plays a role in supporting and buffering, and meanwhile, the wear-resistant support sleeve is in contact with the mounting hole 5, so that fragments cannot be generated due to friction to affect the appearance of the washing machine. More preferably, the rubber sleeve has a diameter of about 30mm and a thickness of about one-half of the diameter. The length of the injection molding piece is designed according to the distance between the rear back plate and the threaded hole.
In assembly using the fastening assembly, as shown in fig. 4, preferably, two pairs of radial protrusions, i.e., first protrusions 2331 and second protrusions 2332, larger than the outer diameter of the first vertical sleeve 231, are symmetrically distributed on the same horizontal line on the outer circumferential wall of the middle cylinder 233, wherein the width of the first protrusions 2331 is larger than that of the second protrusions 2332, and the height of the first protrusions 2331 is smaller than that of the second protrusions 2332. As shown in fig. 3, the back plate of the washing machine is preferably provided with mounting holes 5 corresponding to radial projections on the middle cylinder 233 of the wear-resistant support sleeve 23; specifically, two wide holes corresponding to the first protrusions 2331 and two narrow holes corresponding to the second protrusions 2332 are formed in the outer side of the mounting hole 5 of the rear back plate of the washing machine, and the height of the wide holes is smaller than that of the narrow holes. When the transport bolt 21 is assembled, because the width and the height of the wide hole and the narrow hole are different, the two first protrusions 2331 and the second protrusions 2332 on the wear-resistant support sleeve 23 can only be assembled according to the installation mode of wide-to-wide and narrow-to-narrow, and the fastening assembly is positioned by rotating a certain angle; when the transport bolt 21 is disassembled, the bolt can be pulled out only according to the installation mode of wide-to-wide and narrow-to-narrow. Further preferably, the mounting hole 5 is a sharp edge on the side of the inner surface of the first fixed object 1, and contacts with the wear-resistant support sleeve 23, so that the elastic sleeve body does not generate fragments due to friction with the mounting hole 5.
As shown in fig. 2, preferably, the first vertical sleeve 231 of the wear-resistant support sleeve 23 is assembled and inserted into the annular gap between the elastic support 22 and the screw 212 to form a first gap 3 with the lower surface of the spacer 24; the screw 212 of the bolt 21 passes through the mounting hole 5 and makes the upper surface of the radial protrusion contact with the inner surface of the back plate of the washing machine, and simultaneously, the lower surface of the elastic support 22 and the inner surface of the back plate of the washing machine form a second gap 4; wherein the second gap 4 is less than or equal to the first gap 3; the washing barrel of the washing machine is correspondingly provided with a threaded hole which is matched with the screw 212 to play a role in fixing. In the process of screwing the bolt 21, the screw 212 moves towards the direction of the threaded hole, the first gap 3 and the second gap 4 are both continuously reduced, the first gap 3 is larger than the second gap 4, so that the second gap 4 can be ensured to be finally reduced to zero, and the elastic supporting piece 22 can be abutted against the outer side surface of the backboard. The bottom of the screw rod 212 is provided with threads, and corresponding threaded holes on the roller are matched to play a fixing role. It is further preferred that the first gap 3 is larger than 3mm to 5mm and the second gap 4 is 0mm to 3 mm.
The washing machine provided by the embodiment has the advantages that the fastening assembly and the assembling method used in the transportation process enable the outer side of the back plate of the washing machine to be pressed against the elastic supporting body of the fastening assembly, and the inner side of the back plate of the washing machine to be pressed against the abrasion-resistant supporting sleeve, so that the washing tub is firmly fixed, and the shaking in the transportation process is avoided; meanwhile, the elastic support body is made of rubber materials, so that a buffering effect can be achieved, and the washing machine rear back plate is prevented from being locally pulled and deformed due to rigid connection formed between the washing barrel and the fastening assembly; because 5 inboard panel beating flanging hole sharp edges that generally adopt of backplate, wear-resisting support cover adopts the injection molding rather than adopting the rubber material, can avoid grinding out the rubber piece.
In summary, the present invention provides a fastening assembly and an assembling method and a washing machine using the same, wherein the fastening assembly comprises a bolt, a gasket, an elastic supporting member and a wear-resistant supporting sleeve; the bolt passes gasket, elastic support piece and wear-resisting support cover in proper order, wherein: the bolt comprises a bolt cap and a screw rod; a through hole for the screw to pass through is formed in the middle of the elastic supporting piece, and the inner diameter of the through hole is larger than the outer diameter of the screw; the wear-resistant support sleeve comprises a first vertical sleeve, a second vertical sleeve and an intermediate cylinder positioned between the first vertical sleeve and the second vertical sleeve, and at least one radial protrusion with the outer diameter larger than that of the first vertical sleeve is formed on the outer peripheral wall of the intermediate cylinder; when the fastening assembly is used for fastening a first fixed object and a second fixed object, the bottom of the bolt cap is in contact with the upper surface of the gasket, the upper end surface of the elastic supporting piece is in contact with the lower surface of the gasket, the wear-resistant supporting sleeve is sleeved on the screw rod, and the first vertical sleeve of the wear-resistant supporting sleeve is assembled and inserted into an annular gap between the elastic supporting piece and the screw rod and is in interference fit with the inner wall surface of the through hole of the elastic supporting piece. The washing machine using the fastening component and the assembling method not only enables the washing barrel to be firmly fixed, but also avoids deformation of a back plate of the washing machine caused by shaking and rubber trivial scraps generated by the fastening component from influencing the attractive appearance of the washing machine in the transportation process.
The invention provides a fastening assembly and an assembling method and a washing machine using the same, which are not limited to the description and the embodiment. Therefore, all equivalent changes or modifications made according to the structure, characteristics and principles of the invention claimed should be included in the scope of the invention claimed.
Claims (7)
1. A fastening assembly for fastening a first fixed object (1) and a second fixed object (6), characterized in that the fastening assembly (2) comprises a bolt (21), a washer (22), an elastic support (22) and a wear-resistant support sleeve (23); the bolt (21) passes through the gasket (22), the elastic supporting piece (22) and the wear-resistant supporting sleeve (23) in sequence, wherein:
the bolt (21) comprises a bolt cap (21) and a screw (212);
a through hole (221) for the screw to pass through is formed in the middle of the elastic supporting piece (22), and the inner diameter of the through hole (221) is larger than the outer diameter of the screw;
the wear-resistant support sleeve (23) comprises a first vertical sleeve (231), a second vertical sleeve (232) and an intermediate barrel (233) positioned between the first vertical sleeve (231) and the second vertical sleeve (232), wherein at least one radial protrusion with the outer diameter larger than that of the first vertical sleeve (231) is formed on the outer peripheral wall of the intermediate barrel (233);
when the fastening assembly is used for fastening a first fixed object (1) and a second fixed object (6), the bottom of the bolt cap (211) is in contact with the upper surface of the gasket (22), the upper end surface of the elastic support (22) is in contact with the lower surface of the gasket (22), and the lower end surface of the elastic support (22) and the upper end surface of the radial protrusion form a gap with a certain height, so that when the fastening assembly is fixed on the first fixed object, the first fixed object is limited between the lower end surface of the elastic support (22) and the upper end surface of the radial protrusion;
the wear-resistant support sleeve (23) is sleeved on the screw rod (212), and a first vertical sleeve (231) of the wear-resistant support sleeve (23) is assembled, inserted and extended into an annular gap between the elastic support piece (22) and the screw rod (212) and generates interference fit with the inner wall surface of a through hole (221) of the elastic support piece (22).
2. The fastening assembly according to claim 1, wherein two pairs of radial protrusions, a first protrusion (2331) and a second protrusion (2332), which are larger than the outer diameter of the first vertical sleeve (231), are symmetrically distributed on the same horizontal line on the outer circumferential wall of the middle cylinder (233), wherein the width of the first protrusion (2331) is larger than the width of the second protrusion (2332), and the height of the first protrusion (2331) is smaller than the height of the second protrusion (2332).
3. The fastening assembly of claim 1 wherein the resilient support (22) is a rubber material.
4. The fastening assembly according to claim 1, characterized in that the wear-resistant support sleeve (23) is an injection-molded part with a certain hardness and wear resistance.
5. An assembly method suitable for the fastening assembly of any one of claims 1 to 4 for fixing a first fixed object (1) and a second fixed object (6), characterized in that a first vertical sleeve (231) of the wear-resistant support sleeve (23) is fitted and inserted into an annular gap between the elastic support (22) and the threaded rod (212) to form a first gap (3) with the lower surface of the washer (22); the first fixed object (1) is provided with a mounting hole (5) corresponding to a radial bulge on the middle cylinder (233) of the wear-resistant support sleeve (23); a screw rod (212) of the bolt (21) penetrates through the mounting hole (5) and enables the upper surface of the radial protrusion to be in contact with the inner surface of the first fixed object (1), and meanwhile, a second gap (4) is formed between the lower surface of the elastic support piece (22) and the inner surface of the first fixed object (1); wherein the second gap (4) is smaller than or equal to the first gap (3); the second fixed object (6) is correspondingly provided with a threaded hole which is matched with the screw rod (212) to play a role in fixing.
6. An assembling method according to claim 5, wherein said mounting hole (5) is a sharp edge on the side of the inner surface of said first fixed object (1).
7. A washing machine, characterized in that it employs a fastening assembly (2) according to any one of claims 1-4 and/or an assembly method according to any one of claims 5-6 during transport or movement, wherein the first fixed object (1) is a washing machine back plate and the second fixed object (6) is a washing machine tub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911396133.4A CN111022476A (en) | 2019-12-30 | 2019-12-30 | Fastening assembly, assembling method thereof and washing machine using fastening assembly |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911396133.4A CN111022476A (en) | 2019-12-30 | 2019-12-30 | Fastening assembly, assembling method thereof and washing machine using fastening assembly |
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| CN111022476A true CN111022476A (en) | 2020-04-17 |
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| JP2005056726A (en) * | 2003-08-06 | 2005-03-03 | Toyota Industries Corp | Fastening method and washer and auxiliary washer securing conduction |
| CN202012002U (en) * | 2011-02-14 | 2011-10-19 | 松下家电研究开发（杭州）有限公司 | Fixing device for water containing barrel of washing machine |
| CN204099377U (en) * | 2014-09-05 | 2015-01-14 | 海信容声(广东)冰箱有限公司 | A kind of transit bolt assembly and roller washing machine |
| CN206682118U (en) * | 2017-05-05 | 2017-11-28 | 大陆汽车投资（上海）有限公司 | A kind of anti-bits device and housing for tapping screw |
| CN207333397U (en) * | 2017-11-02 | 2018-05-08 | 广西玉柴机器股份有限公司 | Novel bolt connection structure |
| CN207999426U (en) * | 2018-03-15 | 2018-10-23 | 苏州三星电子有限公司 | Fixed mechanism and washing machine |
| CN109057986A (en) * | 2018-07-24 | 2018-12-21 | 安庆瑞莱博汽车配件有限公司 | A kind of wear-resisting durable piston ring of automobile engine |
| CN211820335U (en) * | 2019-12-30 | 2020-10-30 | 珠海格力电器股份有限公司 | Fastening assembly and washing machine |
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