CN109778494A - Washing machine - Google Patents

Abstract

The present invention relates to a kind of washing machines, including cabinet, outer cylinder, inner cylinder and buffer gear, inner cylinder to be rotatably dispose in outer cylinder, and outer cylinder is set in cabinet, and one end of buffer gear and the outer surface of outer cylinder connect, and the other end of buffer gear is connect with cabinet.When outer cylinder is relative to bin movement, the resistance opposite with the outer cylinder direction of motion is generated by buffer gear, to reduce impulse force of the outer cylinder relative to bin movement, play the role of buffer function to outer cylinder, maintains the whole machine balancing of washing machine to play, reduces cabinet vibration and reduce outer cylinder noise.On the other hand, inner cylinder height, inner cylinder openings of sizes and dischargeable capacity can be increased by eliminating water balance not only, keep the structure of washing machine more compact, additionally it is possible to increase the spacing between inner barrel and outer barrel in design, to reduce the risk that inner barrel and outer barrel collides.

Description

Washing machine

Technical field

The present invention relates to buffer technology fields, more particularly to washing machine.

Background technique

Rotary drum washing machine cartridge module moving equilibrium relies primarily on water balance ring and sunpender at present, opens for being located at the top of inner cylinder For water balance ring at mouthful, main function is, first, maintaining inner cylinder when rotary drum washing machine runs at high speed and is dehydrated Balance in the direction of motion；Second, reducing inner cylinder vibration in dehydration, to reduce the vibratory output of cabinet or complete machine, reduce Because being dehydrated noise caused by dehydration imbalance.

Existing rotary drum washing machine watering balance ring, plastic material thin-walled inside are cavity, and the material of injection is mostly high Cavity is divided into multiple regions with muscle position at interval of certain angle in entire cavity by the not-easy-to-freeze liquid such as concentration salt water, Or cavity is divided into multiple regions with muscle position every certain radius along radial direction, when the water level of cavity reach a certain height When, the liquid in cavity can be made in each interregional mutual circulation.A certain amount of liquid can be previously implanted in water balance ring, usually Account for about the 70% of total measurement (volume).Inner cylinder is inevitably made to have certain bias when laundry machine dehydration, and within instantaneously making Cylinder generates certain inclination, and since inner cylinder is rotated compared to water balance ring, i.e., when inner cylinder rotates, water balance ring will not turn Dynamic, the liquid in water balance ring is since its quiet inertia force effect is without a large amount of flowings at once, so that being conducive to inner cylinder keeps flat Weighing apparatus.During inner cylinder high speed rotation, generated centrifugal force can make liquid in water balance ring be affixed to outer wall, while more liquid Know from experience and therefore flows to the partially light side of entire inner cylinder.During the dehydration process, with the continuous variation of situation eccentric in cylinder, water balance Liquid distribution in ring also will do it corresponding adjustment, to be conducive to maintain dehydration balance.

But, it is limited due to internal barrel of rotary drum washing machine by capacity and structure, adds water balance ring height and volume all It is relatively large, it is easy to cause water balance ring to collide with outer cylinder and other components, therefore in water balance ring would generally reduce The height and actual aperture size of cylinder reduce washing machine dischargeable capacity.Meanwhile cartridge module inevitably can in washing machine use process There are collision and other damages, water balance ring is more easily damaged in turn due to its material and thin-wall construction from cast gate and thin-walled notch Leakage liquid.When water balance ring structure by destroy can extreme influence its it is original effect even generate reaction, cause dehydrated Bigger eccentric vibrating and noise are generated in journey, and are difficult to find and are repaired after water balance ring is destroyed and leakage, and Entire inner cylinder or water balance ring can only be often replaced, causes the maintainability of washing machine and service life poor.

Summary of the invention

Based on this, it is necessary to a kind of washing machine is provided, with play maintain washing machine whole machine balancing, reduce cabinet vibration and Reduce the effect of outer cylinder noise.

A kind of washing machine, including cabinet, outer cylinder, inner cylinder and buffer gear, the inner cylinder are rotatably dispose in the outer cylinder, The outer cylinder is set in the cabinet, and one end of the buffer gear is connect with the outer surface of the outer cylinder, the buffering The other end of mechanism is connect with the cabinet.

Above-mentioned washing machine, when inner cylinder rotates in outer cylinder, inner cylinder will act on outer cylinder, so that outer cylinder can generate relatively The movement of cabinet, for example, will lead to inner cylinder when the clothing in inner cylinder is unevenly distributed and generated in rotation and deviate axial direction Power, and then act on outer cylinder.When outer cylinder is relative to bin movement, generated by buffer gear opposite with the outer cylinder direction of motion Resistance plays buffer function to outer cylinder to reduce impulse force of the outer cylinder relative to bin movement, to play the entirety for maintaining washing machine Balance reduces cabinet vibration and reduces the effect of outer cylinder noise.On the other hand, inner cylinder height can not only be increased by eliminating water balance Degree, inner cylinder openings of sizes and dischargeable capacity, keep the structure of washing machine more compact, additionally it is possible to make in design inner barrel and outer barrel it Between spacing increase, to reduce the risk that inner barrel and outer barrel collides.

First connecting portion is provided on the outside of the outer cylinder in one of the embodiments, is provided on the cabinet Two interconnecting pieces, the buffer gear include damper, and one end of the damper connect or cuts with scissors with the first connecting portion immunity It connects, the other end of the damper is connect or hinged with the second connecting portion immunity.

The rotary shaft of the telescopic direction of the damper and the outer cylinder is to first connecting portion in one of the embodiments, The angle of line of distance be 90 °~160 °.

The buffer gear includes two dampers in one of the embodiments, and two dampers are stretched Contracting direction is mutually inclined setting.

The damper is friction shock absorber in one of the embodiments, and the friction shock absorber includes piston rod, work Plug tube and drag ring, the piston cylinder have barrel chamber, and the barrel chamber has an opening, and the piston rod at least partly wears institute Opening is stated, the drag ring is set between the piston rod and the piston cylinder, the outside of the drag ring and the barrel chamber Side wall connection, the inside activity of the drag ring is connected to the outer surface of the piston rod, and the piston cylinder is far from described Piston rod offers first through hole, and the piston rod offers the second through-hole far from one end of the piston cylinder.

It in one of the embodiments, further include the first pin shaft, the damper of the buffer gear is close to described outer One end of cylinder offers first through hole, offers the first pin hole in the first connecting portion, and first pin shaft wears described the One through-hole and first pin hole.

One end of first pin shaft is provided with the first shaft-cup in one of the embodiments, first pin shaft it is outer Side surface is provided with the first buckle, and the outer surface of first pin shaft offers the first accommodating space, the first buckle packet The first elastic shelf and the first hook are included, one end of first elastic shelf is connect with the inside of first accommodating space, described The other end of first elastic shelf is connect with first hook, and first hook is movably set in first accommodating space Interior, the outer surface of first hook is provided with the first inclined-plane, the one end of first hook far from first elastic shelf It is provided with the first contacting wall, the one end of first inclined-plane along first pin shaft far from first shaft-cup to the side of the other end To gradually to outer inclination, first contacting wall is arranged towards first shaft-cup.

It in one of the embodiments, further include the second pin shaft, the damper of each buffer gear is close to institute The one end for stating cabinet offers the second through-hole, and the second pin hole is offered in the first connecting portion, and second pin shaft wears institute State the second through-hole and second pin hole.

In one of the embodiments, the quantity of the buffer gear be it is multiple, multiple buffer gears equidistantly around The outside of the outer cylinder is arranged.

It in one of the embodiments, further include the first pin shaft and the second pin shaft, the quantity of the buffer gear is four, Four buffer gears are equidistantly arranged around the outside of the outer cylinder, and the buffer gear is correspondingly arranged two-by-two, each described Buffer gear includes two friction shock absorbers, and the telescopic direction of two friction shock absorbers is mutually inclined setting, the outer cylinder Outside setting there are four first connecting portion, be provided with eight second connecting portions on the cabinet, the same buffer gear One end of two friction shock absorbers is flexibly connected with the same first connecting portion, two institutes of the same buffer gear The other end for stating friction shock absorber is flexibly connected with two spaced second connecting portions respectively, and the inner cylinder rotation is set It being placed in outer cylinder, the outer cylinder is set in the cabinet, and the friction shock absorber includes piston rod, piston cylinder and drag ring, The piston cylinder has barrel chamber, and the barrel chamber has an opening, and the piston rod at least partly wears the opening, described to rub It wipes ring to be set between the piston rod and the piston cylinder, the outside of the drag ring is connect with the side wall of the barrel chamber, institute The inside for stating drag ring is used to be connected to the piston rod along the central axis motor activity of the barrel chamber when the piston rod Outer surface, the piston cylinder offer first through hole far from the piston rod, the piston rod far from the piston cylinder one End offers the second through-hole, and the first connecting portion includes the first protrusion and the second protrusion, and first protrusion offers first Hole, second protrusion offer the second hole, first hole and second hole alignment setting, the buffer gear it is described Damper is arranged between the first protrusion and the second protrusion close to one end of the outer cylinder, first hole, the first through hole It is sequentially communicated with second hole, one end of first pin shaft is provided with the first shaft-cup, the outer surface of first pin shaft It is provided with the first buckle, first pin shaft successively wears first hole, the first through hole and second hole, and described First shaft-cup activity of one pin shaft is connected to first protrusion outside the one side of second protrusion, first pin shaft Side surface offers the first accommodating space, and first buckle includes the first elastic shelf and the first hook, first elastic shelf One end connect with the inside of first accommodating space, the other end of first elastic shelf is connect with first hook, First hook is movably set in first accommodating space, and first hook is provided with the first inclined-plane, and described first Inclined-plane wears one end to the direction of the other end in first hole gradually to outer inclination, first card along first hook Hook is provided with the first contacting wall, and the first contacting wall setting wears described the backwards to first hook in first hook The one end in one hole is arranged, and first contacting wall is used for when first pin shaft is along second hole, the first through hole and institute When stating the direction movement in the first hole, second protrusion is connected to backwards to the one side of first protrusion, the second connecting portion Including third protrusion and the 4th protrusion, the third protrusion offers third hole, and the 4th protrusion offers the 4th hole, described Third hole and the 4th hole alignment setting, the damper of the buffer gear is close to the setting of one end of the cabinet the Between three protrusions and the 4th protrusion, the third hole, second through-hole and the 4th hole are sequentially communicated, second pin shaft One end be provided with the second shaft-cup, the outer surface of second pin shaft is provided with the second buckle, and second pin shaft is successively worn If the third hole, second through-hole and the 4th hole, the second shaft-cup activity of second pin shaft is connected to described For three protrusions backwards to the one sides of the 4th protrusion, the outer surface of second pin shaft offers the second accommodating space, and described the Two buckles include the second elastic shelf and the second hook, are connected on the inside of one end of second elastic shelf and second accommodating space It connects, the other end of second elastic shelf is connect with second hook, and second hook, which is movably set in described second, to be held In emptying, second hook is provided with the second inclined-plane, and second inclined-plane wears the third hole along second hook One end to the direction of the other end gradually to outer inclination, second hook is provided with the second contacting wall, and described second abuts Wall is arranged in second hook and is arranged backwards to one end that second hook wears the third hole, and second contacting wall is used It is described in being connected to when second pin shaft is moved along the direction in the 4th hole, second through-hole and the third hole The 4th raised one side backwards to the third protrusion, first pin shaft are identical as the structure of second pin shaft and shape.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the washing machine of one embodiment；

Fig. 2 is the partial enlargement diagram in Fig. 1 at A；

Fig. 3 is the structural schematic diagram in a direction of the washing machine of another embodiment；

Fig. 4 is the three-dimensional separate structure schematic diagram of the damper of one embodiment；

Fig. 5 is the schematic perspective view of first pin shaft of one embodiment；

Fig. 6 is the three-dimensional separate structure schematic diagram of the washing machine of one embodiment；

Fig. 7 is the partial enlargement diagram in Fig. 6 at B.

Specific embodiment

To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure Add thorough and comprehensive.

Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more Any and all combinations of relevant listed item.

In one of the embodiments, as shown in Figure 1, a kind of washing machine 10, including cabinet 100, outer cylinder 200, inner cylinder 300 With buffer gear 40, the inner cylinder 300 is rotatably dispose in the outer cylinder 200, and the outer cylinder 200 is set to the cabinet 100 Interior, one end of the buffer gear is connect with the outer surface of the outer cylinder 200, the other end of the buffer gear and the case Body 100 connect, the buffer gear 40 be used for when the outer cylinder 200 move relative to the cabinet 100 generate with it is described outside The opposite resistance of the direction of motion of cylinder 200.In the present embodiment, 200 inner hollow of outer cylinder, the inner cylinder 300 is set to institute It states in outer cylinder 200.As shown in Figure 1, above-mentioned washing machine 10, when inner cylinder rotates in outer cylinder, inner cylinder will act on outer cylinder, make The movement of opposite case can be generated by obtaining outer cylinder, for example, will lead to inner cylinder in rotation when the clothing in inner cylinder is unevenly distributed It generates and deviates axial power, and then act on outer cylinder.When outer cylinder 200 is moved relative to cabinet 100, generated by buffer gear The resistance opposite with 200 direction of motion of outer cylinder plays outer cylinder 200 with reducing the impulse force that outer cylinder 200 is moved relative to cabinet 100 To buffer function, the whole machine balancing of washing machine 10 is maintained, the vibration of cabinet 100 is reduced and reduces the work of 200 noise of outer cylinder to play With.On the other hand, 300 height of inner cylinder, 300 openings of sizes of inner cylinder and dischargeable capacity can be increased by eliminating water balance ring not only, Keep the structure of washing machine 10 more compact, additionally it is possible to increase the spacing between inner cylinder 300 and outer cylinder 200 in design, thus Reduce the risk that inner cylinder 300 and outer cylinder 200 collide.

For the buffer function for realizing the buffer gear, it is provided on the outside of the outer cylinder in one of the embodiments, First connecting portion is provided with second connecting portion on the cabinet, and the buffer gear includes elastic component, one end of the elastic component It is flexibly connected with the first connecting portion, the other end of the elastic component is flexibly connected with the second connecting portion.The present embodiment In, the buffer gear is for generating the elastic force opposite with the outer cylinder direction of motion when outer cylinder is relative to bin movement.It is described slow Punch mechanism is that the resistance that the relative motion of outer cylinder provides is elastic force, i.e., buffer gear between outer cylinder and cabinet for providing bullet Power, specifically, the elastic component are converted to the kinetic energy of outer cylinder for elastic deformation to occur when outer cylinder is relative to bin movement The deformation energy of elastic component, to buffer impulse force of the outer cylinder relative to bin movement.

First connecting portion is provided on the outside of the outer cylinder in one of the embodiments, is provided on the cabinet Two interconnecting pieces, the buffer gear include spring, and one end of the spring is flexibly connected with the first connecting portion, the spring The other end be flexibly connected with the second connecting portion.Specifically, the spring when outer cylinder is relative to bin movement for sending out Raw elastic deformation, enables the kinetic energy of outer cylinder to be converted to the deformation of spring, to buffer impulse force of the outer cylinder relative to bin movement.

In one embodiment, the buffer gear includes rubber, and the rubber is arranged in the outer cylinder and the cabinet Between, the rubber is for generating the resistance opposite with the outer cylinder direction of motion, the present embodiment when outer cylinder is relative to bin movement In, the buffer gear is for generating the elastic force opposite with the outer cylinder direction of motion when outer cylinder is relative to bin movement.It is described slow Punch mechanism is that the resistance that the relative motion of outer cylinder provides is elastic force, i.e., buffer gear between outer cylinder and cabinet for providing bullet Power, specifically, the rubber make the kinetic energy of outer cylinder be converted to rubber for elastic deformation to occur when outer cylinder is relative to bin movement The deformation energy of glue, to buffer impulse force of the outer cylinder relative to bin movement.

Due to the working method and principle of water balance ring, it is caused to maintain the function and effect of balance and efficiency more low, It is difficult to effectively maintain balance when inner cylinder 300 is eccentric larger, to reducing, vibration and noise role is limited.Such as Fig. 1 and Fig. 2 institute Show, the outside of the outer cylinder 200 is provided with first connecting portion 210 in one of the embodiments, is arranged on the cabinet 100 There is second connecting portion 110, the buffer gear includes damper 400, one end of the damper 400 and the first connecting portion 210 are flexibly connected, and the other end of the damper 400 is flexibly connected with the second connecting portion 110.By the way that damper is arranged 400, when outer cylinder 200 is moved relative to cabinet 100, damper 400 generates the resistance opposite with 200 direction of motion of outer cylinder, tool Body, the damper 400 is used to absorb the kinetic energy of the outer cylinder 200 when outer cylinder 200 is moved relative to cabinet 100, with slow Rush the movement tendency of the outer cylinder 200, in the present embodiment, buffered due to using damper 400, damper 400 it is slow For effect is rushed compared to water balance ring, belong to mechanical damping, the impulse force of outer cylinder can be effectively canceled out, therefore can be in inner cylinder 300 The balance of outer cylinder 200 is effectively maintained when eccentric larger.

It is noted that the buffer gear includes damper 400, one end of the damper 400 and described first Interconnecting piece 210 is flexibly connected, and the other end of the damper 400 is flexibly connected with the second connecting portion 110.So that described subtract Vibration device and the first connecting portion can be relatively movable, and enable the other end of the damper opposite with the second connecting portion Activity.In one embodiment, it is provided with first connecting portion on the outside of the outer cylinder, the second connection is provided on the cabinet Portion, the buffer gear include damper, and one end of the damper is connect or hinged with the first connecting portion immunity, described The other end of damper is connect or hinged with the second connecting portion immunity.In one embodiment, one end of the damper It is connect with the first connecting portion immunity, the other end of the damper is connect with the second connecting portion immunity.The present embodiment In, immunity connection is able to achieve by immunity element, immunity element can be one of rubber, alloy material and bellows or several Kind.In one embodiment, one end of the damper is connect by immunity element with the first connecting portion immunity, described to subtract The other end of vibration device is connect by immunity element with the second connecting portion immunity.In one embodiment, the damper One end is connect by rubber with the first connecting portion immunity, and the other end of the damper is connect by rubber with described second The connection of portion's immunity.It is noted that immunity connection is referred to as being flexibly connected.

For the vibration-damping function for realizing the damper, it is worth mentioning at this point that, the damper can be two-way function cartridge type Damper is also possible to inflatable vibration damper or adjustable-damping shock absorber.The damper packet in one of the embodiments, Include double adjustable shock absorber.The damper includes inflatable vibration damper in one of the embodiments,.

The damper 400 includes damping shock absorber in one of the embodiments,.In one embodiment, the vibration damping Device 400 includes friction shock absorber.For the vibration-damping function for realizing the friction shock absorber, specifically, as shown in figure 4, the friction Damper includes piston rod 420, piston cylinder 410 and drag ring 430, and the piston cylinder 410 has barrel chamber 412, the barrel chamber tool There is an opening 413, the piston rod 420 wears the opening 413, and one end of the piston rod 420 is located at the barrel chamber 412 Interior, the piston rod 420 is located at the activity in the barrel chamber 412 of one end in the barrel chamber 412, and 420 edge of the piston rod The central axis of the barrel chamber 412 moves, that is to say, that the piston rod 420 is located at one end in the barrel chamber 412 towards close Or the bottom far from the barrel chamber 412 moves, the drag ring 430 be set to the piston rod 420 and the piston cylinder 410 it Between, the outside of the drag ring 430 is connect with the side wall of the barrel chamber, and the inside of the drag ring 430 is used to work as the piston Bar 420 is connected to the outer surface of the piston rod 420 along the central axis motor activity of the barrel chamber.Specifically, the cylinder Chamber has circular cross-section, and the piston rod 420 is cylindrical, and the drag ring 430 is in circular ring shape, the drag ring 430 The inside of inner hollow, the drag ring 430 has circular cross-section, and the circular cross-section width and the piston rod 420 are transversal Face width matches, and direction of the piston rod 420 in the barrel chamber along the central axis for being parallel to the barrel chamber moves. In the present embodiment, the buffer gear is used to generate and 200 direction of motion of outer cylinder when outer cylinder 200 is moved relative to cabinet 100 Opposite frictional force.In the present embodiment, the piston cylinder 410 offers first through hole 411 far from the piston rod 420, described Piston rod 420 offers the second through-hole 421 far from one end of the piston cylinder 410.

When inner cylinder 300 rotates in outer cylinder 200, so that outer cylinder 200 also has the trend of rotation, to make damper 400 The rotation for preferably buffering outer cylinder 200, as shown in figure 3, the telescopic direction of the damper 400 in one of the embodiments, Favour the center of the outer cylinder 200 to the first connecting portion 210 line direction.Due to the flexible side of damper 400 To favour the center of the outer cylinder 200 to the first connecting portion 210 line direction, and the flexible side of damper 400 To favouring tangential direction of the first connecting portion on outer cylinder, so that when the telescopic direction of damper 400 and outer cylinder 200 rotate Tangential direction out of plumb, that is to say, that so that the tangent line side when direction for the resistance that damper 400 generates and outer cylinder 200 rotate To out of plumb, so that damper 400 preferably buffers the rotation of outer cylinder 200.

When inner cylinder 300 rotates in outer cylinder 200, so that outer cylinder 200 also has the trend of rotation, to make damper 400 The rotation for preferably buffering outer cylinder 200, as shown in figure 3, the telescopic direction of the damper 400 in one of the embodiments, Angle with the line at a distance from the rotary shaft to first connecting portion of the outer cylinder 200 is 90 °~160 °, so that damper 400 Tangential direction out of plumb when the direction of the resistance of generation and outer cylinder 200 rotate, so that damper 400 preferably buffers outside The rotation of cylinder 200.In the present embodiment, the outer cylinder is rotated around the rotary shaft.To make damper preferably buffer outer cylinder Rotation, in one embodiment, the rotary shaft of the telescopic direction of the damper 400 and the outer cylinder 200 to first connecting portion The angle of the line of distance is 95 °~105 °, the rotary shaft of the telescopic direction of the damper 400 and the outer cylinder 200 to the The angle of the line of the distance of one interconnecting piece is 100.3 °.

To realize that one end of the damper 400 is flexibly connected with the first connecting portion 210, the damper 400 The other end is flexibly connected with the second connecting portion 110, as shown in Figure 1, the damper 400 in one of the embodiments, One end and the first connecting portion 210 it is hinged, the other end of the damper 400 and the second connecting portion 110 are hinged.Tool When body, the damper 400 are hinged, so that can be relatively movable between outer cylinder 200 and damper 400, damper 400 and case Can be relatively movable between body 100, to avoid when outer cylinder 200 is moved relative to cabinet 100 400 both ends of damper by outer cylinder 200 generate shearings and disconnect, while facilitate when outer cylinder 200 relative to cabinet 100 move when so that damper 400 is stretched The angle of contracting direction and 200 tangential direction of outer cylinder increases, so that the angle is close to 180 °, so that damper 400 is preferably right Outer cylinder 200 is buffered.

To buffer buffer gear preferably to outer cylinder 200, as shown in figures 1 and 3, in one of the embodiments, Each buffer gear includes two dampers 400, and the telescopic direction of two dampers 400 is mutually inclined setting.This In embodiment, the quantity of the buffer gear be it is multiple, each buffer gear includes two dampers 400, two The telescopic direction of the damper 400 is mutually inclined setting, so that two dampers of the same buffer gear 400 are in the shape of the letter V setting, to buffer more in all directions to outer cylinder 200.

To be better dispersed in the power on outer cylinder 200 on two dampers of the buffer gear, such as Fig. 1 institute Show, one end of two dampers of the same buffer gear and same described first connects in one of the embodiments, Socket part 210 is flexibly connected, and the other end of two dampers of the same buffer gear is spaced with two respectively The second connecting portion 110 is flexibly connected.Two dampers of the same buffer gear are in same first connecting portion 210 Upper flexible connection, in this way, the damper 400 of the same buffer gear is flexibly connected with same first connecting portion 210, outer cylinder 200 are more equally distributed on two dampers 400 to the power of damper 400, so that two institutes of the same buffer gear It is more uniform to state damper stress.

To realize the hinged with the first connecting portion of the damper, as shown in fig. 7, in one of the embodiments, The washing machine 10 further includes the first pin shaft 500, and the damper of the buffer gear is opened up close to one end of the outer cylinder There is first through hole 411, the first pin hole 215, the first through hole 411 and first pin hole are offered in the first connecting portion Setting first pin shafts 500 in 215, that is to say, that first pin shaft 500 wears the first through hole 411 and described the One pin hole 215, specifically, first pin shaft 500 successively wear the first through hole 411 and first pin hole 215, thus Realize the hinged with the first connecting portion 110 of the damper.

As shown in Figure 6 and Figure 7, specifically, the first connecting portion 210 includes the first raised 211 and second protrusion 213, First protrusion 211 offers the first hole 212, and second protrusion 213 offers the second hole 214,212 He of the first hole The alignment of second hole 214 setting, and first hole 212 is connected to form first pin hole 215 with second hole 214, That is, first pin hole 215 includes in the first hole 212 that first protrusion 211 opens up and in second protrusion 213 the second holes 214 opened up, the damper of the buffer gear is close to the setting of one end of the outer cylinder in the first protrusion 211 and second between protrusion 213, and first hole 212, the first through hole 411 and second hole 214 are sequentially communicated, such as Shown in Fig. 5, one end of first pin shaft 500 is provided with the first shaft-cup 510, the outer surface setting of first pin shaft 500 There is the first buckle 511, first pin shaft 500 successively wears first hole 212, the first through hole 411 and described second Hole 214,510 activity of the first shaft-cup of first pin shaft 500 are connected to first protrusion 211 backwards to second protrusion 213 one side, it is convex backwards to described first that the first 511 activities of buckle of first pin shaft 500 are connected to second protrusion 213 The one side for playing 211 limits the first pin shaft 500 by the first shaft-cup 510 and the first buckle, so that the first pin shaft 500 are fixed in first hole 212, the first through hole 411 and second hole 214, and the first pin shaft 500 is avoided to be detached from, The hinged with the first connecting portion 210 of the damper 400 is realized simultaneously.

As shown in figure 5, specifically, the outer surface of first pin shaft 500 offers the first accommodating space 501, described First buckle 511 includes the first elastic shelf 520 and the first hook 530, and one end of first elastic shelf 520 and described first are held 501 inside connection, the other end of first elastic shelf 520 are connect with first hook 530 between emptying, first card It hooks and 530 is movably set in first accommodating space 501, specifically, first elastic shelf 520 is movably set in described the In one accommodating space 501, first hook 530 is arranged backwards to the inside of first accommodating space 501, i.e., described first card It hooks 530 to be arranged towards the external of the first accommodating space 501, in the present embodiment, when the first pin shaft 500 successively wears first hole 212, the first through hole 411 and when second hole 214,530 activity of the first hook is accommodated in accommodating space, so that first Pin shaft 500 passes through first hole 212, the first through hole 411 and second hole 214, when the of the first pin shaft 500 After one hook 530 passes through first hole 212, the first through hole 411 and second hole 214, the first hook 530 exists Activity is extend out to outside accommodating space under the elastic reaction of first elastic shelf, and is connected to by hook and/or the first elastic shelf Second protrusion 213 is deviate from backwards to the one side of first protrusion 211 to realize and limit first pin shaft 500.

To make the first pin shaft 500 smoothly wear first hole 212, the first through hole 411 and second hole 214, as shown in figure 5, in one embodiment, first hook 530 is provided with the first inclined-plane 531, first inclined-plane 531 One end to the direction of the other end in first hole 212 is worn gradually to outer inclination along first hook 530, that is, It says, the one end of first inclined-plane along first pin shaft far from first shaft-cup to the direction of the other end is gradually inclined to outside Tiltedly, described so that when the first pin shaft 500 wears first hole 212, the first through hole 411 and second hole 214 The side wall of the side wall in the first hole 212, the side wall of the first through hole 411 and second hole 214 is as the first inclined-plane 531 is by institute It states the first buckle successfully to push in accommodating space, the first pin shaft 500 is facilitated to wear first hole 212, described first logical Hole 411 and second hole 214.

To realize that the first buckle prevents first pin shaft from disengaging, as shown in figure 5, in one embodiment, described first Hook 530 is provided with the first contacting wall 532, and the setting of the first contacting wall 532 is in first hook 530 backwards to described first Hook 530 wears one end setting in first hole 212, and first contacting wall 532 is used for when first pin shaft 500 is along institute When stating the direction movement in the second hole 214, the first through hole 411 and first hole 212, it is connected to second protrusion 213 Backwards to the one side of first protrusion 211, to play the role of preventing first pin shaft 500 from disengaging.Specifically, described One contacting wall is arranged towards first shaft-cup, to pass through shaft-cup and the first contacting wall limitation the first pin axial ends fortune It is dynamic, play the role of preventing first pin shaft from disengaging.First hook is movably arranged on the first accommodating space to realize Interior, in one embodiment, first accommodating space is accommodation groove, to store first hook by accommodation groove activity. In one embodiment, first accommodating space is accommodating hole, to store first hook by accommodating hole activity.

For the spring function for realizing the first elastic shelf, in one embodiment, first elastic shelf is elastic slice.At one In embodiment, first elastic shelf is spring.

Specifically, the outer surface of first hook is provided with the first inclined-plane, and first hook is far from the elasticity One end of frame is provided with the first contacting wall, and the one end of first inclined-plane along first pin shaft far from first shaft-cup is to another Gradually to outer inclination, first contacting wall is arranged towards first shaft-cup in the direction of one end.Pass through first to realize Inclined-plane makes the first pin shaft more easily pass through the first through hole and the first pin hole, and realizing prevents the first pin by the first contacting wall Axis disengages.

To realize the hinged with the second connecting portion of the damper, the washing machine in one of the embodiments, It further include the second pin shaft, the damper of each buffer gear offers the second through-hole close to one end of the cabinet, The second pin hole is offered in the second connecting portion, and second pin is provided in second through-hole and second pin hole Axis, that is to say, that second pin shaft wears second through-hole and second pin hole, specifically, second pin shaft according to It is secondary to wear second through-hole and second pin hole, to realize the hinged with the second connecting portion of the damper.

Specifically, the second connecting portion includes third protrusion and the 4th protrusion, and the third protrusion offers third hole, 4th protrusion offers the 4th hole, the third hole and the 4th hole alignment setting, and the third hole and described the Four holes are connected to form second pin hole, that is to say, that second pin hole includes in the third hole that the third protrusion opens up With in the 4th hole that the 4th protrusion opens up, close to one end of the cabinet, setting exists the damper of the buffer gear Between third protrusion and the 4th protrusion, the third hole, second through-hole and the 4th hole are sequentially communicated, second pin One end of axis is provided with the second shaft-cup, and the outer surface of second pin shaft is provided with the second buckle, and second pin shaft is successively The third hole, second through-hole and the 4th hole are worn, the second shaft-cup activity of second pin shaft is connected to described Third protrusion is connected to the described 4th and throws one's back out backwards to the described 4th raised one side, the second buckle activity of second pin shaft To the one side of the third protrusion, the second pin shaft is limited by the second shaft-cup and the second buckle, so that the second pin Axis is fixed in the third hole, second through-hole and the 4th hole, and the second pin shaft is avoided to be detached from, while being realized described Damper it is hinged with the second connecting portion.

Specifically, the outer surface of second pin shaft offers the second accommodating space, and second buckle includes second Elastic shelf and the second hook, one end of second elastic shelf are connect with the inside of second accommodating space, second bullet The other end of property frame is connect with second hook, and second hook is movably set in second accommodating space, specifically Ground, second elastic shelf are movably set in second accommodating space, and second hook is empty backwards to second accommodating Between inside setting, i.e., second hook towards the second accommodating space external setting, in the present embodiment, when the second pin shaft according to It is secondary that second hook activity is accommodated in accommodating space when wearing the third hole, second through-hole and four hole, so that Second pin shaft passes through the third hole, second through-hole and the 4th hole, when the second hook of the second pin shaft is smooth Behind the third hole, second through-hole and the 4th hole, second is hooked in work under the elastic reaction of the second elastic shelf It is dynamic to extend out to outside accommodating space, and the 4th protrusion is connected to backwards to the third protrusion by hook and/or the second elastic shelf One side, to realize limitation second pin shaft abjection.

To make the second pin shaft smoothly wear the third hole, second through-hole and the 4th hole, implement at one In example, second hook is provided with the second inclined-plane, and second inclined-plane wears the one of the third hole along second hook End is to the direction of the other end gradually to outer inclination, that is to say, that second inclined-plane is along second pin shaft far from described the One end of two shaft-cups to the direction of the other end is gradually to outer inclination, so that the second pin shaft wears the third hole, described When the second through-hole and four hole, the side wall of the side wall in the third hole, the side wall of second through-hole and the 4th hole With the second inclined-plane by it is described second buckle successfully push in accommodating space, facilitate the second pin shaft wear the third hole, Second through-hole and the 4th hole.

To realize that the second buckle prevents second pin shaft from disengaging, in one embodiment, second hook is provided with Second contacting wall, second contacting wall are arranged in second hook and wear the one of the third hole backwards to second hook End setting, second contacting wall are used for when second pin shaft is along the 4th hole, second through-hole and the third hole Direction movement when, be connected to it is described 4th protrusion backwards to the third protrusion one side, thus play prevent it is described second pin The effect that axis disengages.Specifically, first contacting wall is arranged towards first shaft-cup, to be supported by shaft-cup and first Wall limitation the first pin axial ends movement is connect, plays the role of preventing first pin shaft from disengaging.

Second hook is movably arranged in the second accommodating space to realize, in one embodiment, described second Accommodating space is accommodation groove, to store second hook by accommodation groove activity.In one embodiment, second accommodating Space is accommodating hole, to store second hook by accommodating hole activity.

For the spring function for realizing the second elastic shelf, in one embodiment, second elastic shelf is elastic slice.At one In embodiment, second elastic shelf is spring.

Specifically, the outer surface of second hook is provided with the second inclined-plane, and second hook is far from described second One end of elastic shelf is provided with the second contacting wall, the one end of second inclined-plane along second pin shaft far from second shaft-cup To the direction of the other end gradually to outer inclination, second contacting wall is arranged towards the one or two shaft-cup.It is logical to realize Crossing the second inclined-plane makes the second pin shaft more easily pass through second through-hole and the second pin hole, and realization is prevented by the second contacting wall Second pin shaft disengages.

In one embodiment, first pin shaft is identical as the structure of second pin shaft and shape.

In one embodiment, the second connecting portion is identical as the structure of the first connecting portion and shape.

In one embodiment, the second connecting portion and the damper connection type and the first connecting portion with it is described The connection type of damper is identical.That is, the second connecting portion and the damper connection type are identical to described the The connection type of one interconnecting piece and the damper.Specifically, the structure of the second connecting portion and the first connecting portion Structure is identical, and the shape of the second connecting portion is identical as the shape of the first connecting portion, the structure of second pin shaft with The structure of first pin shaft is identical, and the shape of second pin shaft is identical as the shape of first pin shaft, and described second is logical The width in hole is equal to the width of the first through hole, and the shape of second through-hole is identical as the shape of the first through hole.By This, realizes the connection side of the second connecting portion Yu the damper connection type and the first connecting portion and the damper Formula is identical.

To realize the hinged with the second connecting portion of the damper, as shown in Figure 6 and Figure 7, an implementation wherein In example, the damper of each buffer gear offers the second through-hole 421 close to one end of the cabinet, and described second 421 are provided with connecting shaft 120 in through-hole, and the connecting shaft 120 is rotatably dispose in second through-hole 421, the connecting shaft 120 one end is connect with the second connecting portion 110, and specifically, one end of the connecting shaft 120 at least partly protrudes from described Second through-hole 421 is simultaneously connect with the second connecting portion 110, to realize that damper is hinged with second connecting portion.Specifically, institute It states protrusion in connecting shaft and is provided with the first stop block 121, first stop block 121 is used for when the damper is towards far from described Activity is connected on the damper when direction movement of cabinet, to avoid damper de- towards the direction far from the cabinet It opens.Specifically, protrusion is provided with the second stop block 122 in the connecting shaft, and second stop block 122 is used to work as the vibration damping Activity is connected on the damper when device is moved towards the direction close to the cabinet, to avoid damper towards close to the case The direction of body moves.In one embodiment, the connecting shaft is provided in the axial direction with the first fixation hole, and the second connecting portion opens up There is the second fixation hole, the washing machine includes the second pin shaft, and second pin shaft wears first fixation hole and described second Fixation hole, that is to say, that be provided with one second pin shaft in first fixation hole and second fixation hole.It is worth mentioning It is that the quantity of the buffer gear can be one, or multiple.The buffer gear in one of the embodiments, Quantity be at least one.The quantity of the buffer gear is one in one of the embodiments,.To obtain better buffering Effect, the quantity of the buffer gear is multiple in one of the embodiments, and multiple buffer gears are equidistantly around described The outside of outer cylinder is arranged, to obtain better buffering effect, in the present embodiment, the damper includes that two-way function cartridge type subtracts Shake one or more of device, inflatable vibration damper and damping shock absorber.In one embodiment, the quantity of the buffer gear It is two.In one embodiment, the quantity of the buffer gear is three.In one embodiment, the buffer gear Quantity is five.

To obtain preferable buffering effect, while excessively high production cost is avoided, as shown in figure 3, an implementation wherein In example, the quantity of the buffer gear is four, and the buffer gear is correspondingly arranged two-by-two, when outer cylinder moves in one direction Two of them buffer gear is compressed, two opposite buffer gears is stretched and obtains preferable buffering to buffer to outer cylinder Effect.In the present embodiment, as shown in figures 1 and 3, each buffer gear includes two dampers 400, described in two The telescopic direction of damper 400 is mutually inclined setting.In this way, buffer gear is distributed in the surrounding of outer cylinder 200, preferably buffering is outer Movement tendency of the cylinder 200 in all directions, i.e. outer cylinder compress two of them buffer gear when moving in one direction, stretch phase Pair two buffer gears, while avoiding being arranged excessive buffer gear, and there is preferable cost performance.In the present embodiment, institute Stating cabinet is rectangle, and four buffer gears are located at four diagonally, to buffer to outer cylinder.

In washing in dehydration, inner cylinder starts rotation and generates under Influence from Eccentric centainly to shake and tilt, at this time Multiple dampers will play inhibitory effect to inclination is shaken under the action of damping force.The contrary damper meeting with shaking It is stretched, damper identical with direction is shaken can be compressed, corresponding while outer cylinder shakes inclination in all directions Damper will be by stretching or compression repeatedly, playing the role of maintaining balance, reducing vibration and reducing noise.Separately Outside, when washing machine reaches certain service life or individual dampers are damaged, maintenance replace single damper also relative to Replacing water balance ring can be simpler.

In one of the embodiments, as shown in Figure 1, Figure 2 and Figure 3, a kind of washing machine 10 is provided, including cabinet 100, outer Cylinder 200, inner cylinder 300 and four buffer gears, the buffer gear are correspondingly arranged two-by-two, and each buffer gear includes two The damper 400, the telescopic direction of two dampers 400 are mutually inclined setting, and the outside of the outer cylinder 200 is provided with Four first connecting portions 210, are provided with eight second connecting portions 110 on the cabinet 100, and two of the same buffer gear One end of the damper is flexibly connected with the same first connecting portion 210, is subtracted described in two of the same buffer gear The other end of vibration device is flexibly connected with two spaced second connecting portions 110 respectively, the rotation of inner cylinder 300 setting In in outer cylinder 200, the outer cylinder 200 is set in the cabinet 100, and specifically, correspondence is set the first connecting portion 210 two-by-two It sets, second connecting portion 110 described in every two is one group, and second connecting portion 110 described in four groups is correspondingly arranged two-by-two.When outer cylinder 200 When moving relative to cabinet 100, the resistance opposite with 200 direction of motion of outer cylinder is generated, by buffer gear to reduce outer cylinder 200 Relative to the kinetic energy that cabinet 100 moves, buffer function is played to outer cylinder 200, to play the whole machine balancing for maintaining washing machine 10, drop The low vibration of cabinet 100 and the effect for reducing 200 noise of outer cylinder.On the other hand, inner cylinder 300 can not only be increased by eliminating water balance Highly, 300 openings of sizes of inner cylinder and dischargeable capacity, keep the structure of washing machine 10 more compact, additionally it is possible to make inner cylinder in design Spacing between 300 and outer cylinder 200 increases, to reduce the risk that inner cylinder 300 and outer cylinder 200 collide.In addition, when laundry Machine 10 reaches certain service life or when individual dampers 400 is damaged, and maintenance replaces single damper 400 also relative to replacing Changing water balance ring can be simpler.

In the present embodiment, the washing machine further includes sunpender, and described sunpender one end is connect with the outer cylinder, the sunpender The other end is connect with the cabinet.In the present embodiment, the quantity of the sunpender is four, and each sunpender is located at same buffering The inside of two dampers of mechanism.In the present embodiment, the buffer gear is for buffering the outer cylinder relative to cabinet Impulse force when horizontally rotating, the sunpender is for buffering impulse force of the outer cylinder relative to cabinet vertical motion when.

It is noted that being buffered by the way of water balance ring on outer barrel of washing machine most at present, have Certain buffering effect, still, the volume of water balance ring are excessive, on the lesser washing machine of some overall volumes, wash in production The volume of washing machine is then difficult to decrease when clothing machine using the design of water balance ring.It therefore, can be more using the technical solution of the application It is adapted to small-sized washing machine well.

It is noted that cabinet is either integrated molding, is also possible to the cabinet and is spelled by multiple components It connects.In one embodiment, the cabinet is integrally formed.As shown in fig. 6, in one embodiment, the cabinet 100 includes two A support frame 130 and two hog frames 150, the setting of two support frames as described above 130 interval, each hog frame 150 respectively with Two support frames 130 connect.As shown in fig. 6, two support frames 130 and two hog frames 150 are sequentially connected in rectangle, it is worth one It is mentioned that, the buffer gear can both be connect with support frame, can also be connect with hog frame, and the buffer is also possible to Structure was both connect with support frame, was also connected with hog frame.In the present embodiment, support frame is different with the shape of hog frame.

In one embodiment, the buffer gear includes two dampers, wherein a damper and the branch Support connection, another damper are connect with the hog frame.

In one embodiment, the washing machine further includes the first pin shaft and the second pin shaft, and the quantity of the buffer gear is Four, four buffer gears are equidistantly arranged around the outside of the outer cylinder, and the buffer gear is correspondingly arranged two-by-two, each The buffer gear includes two friction shock absorbers, and the telescopic direction of two friction shock absorbers is mutually inclined setting, described The outside setting of outer cylinder is provided with eight second connecting portions, the same buffer on the cabinet there are four first connecting portion One end of two friction shock absorbers of structure is flexibly connected with the same first connecting portion, and the two of the same buffer gear The other end of a friction shock absorber is flexibly connected with two spaced second connecting portions respectively, and the inner cylinder turns Dynamic to be set in outer cylinder, the outer cylinder is set in the cabinet, and the friction shock absorber includes piston rod, piston cylinder and friction Ring, the piston cylinder have barrel chamber, and the barrel chamber has an opening, and the piston rod at least partly wears the opening, institute It states drag ring to be set between the piston rod and the piston cylinder, the side wall of the outside of the drag ring and the barrel chamber connects It connects, the inside of the drag ring is used to be connected to the piston along the central axis motor activity of the barrel chamber when the piston rod The outer surface of bar, the piston cylinder offer first through hole far from the piston rod, and the piston rod is far from the piston cylinder One end offer the second through-hole, the first connecting portion includes the first protrusion and the second protrusion, and first protrusion offers First hole, second protrusion offer the second hole, first hole and second hole alignment setting, the buffer gear The damper is arranged between the first protrusion and the second protrusion close to one end of the outer cylinder, first hole, described first Through-hole and second hole are sequentially communicated, and one end of first pin shaft is provided with the first shaft-cup, the outside of first pin shaft Surface is provided with the first buckle, and first pin shaft successively wears first hole, the first through hole and second hole, institute The the first shaft-cup activity for stating the first pin shaft is connected to first protrusion backwards to the one side of second protrusion, first pin shaft Outer surface offer the first accommodating space, first buckle includes the first elastic shelf and the first hook, first bullet Property frame one end connect with the inside of first accommodating space, the other end of first elastic shelf and first hook connect It connecing, first hook is movably set in first accommodating space, and first hook is provided with the first inclined-plane, and described One inclined-plane wears one end to the direction of the other end in first hole gradually to outer inclination along first hook, and described first Hook is provided with the first contacting wall, and the first contacting wall setting wears in first hook backwards to first hook described The one end in the first hole is arranged, first contacting wall be used for when first pin shaft along second hole, the first through hole and When the direction movement in first hole, second protrusion is connected to backwards to the one side of first protrusion, second connection Portion includes third protrusion and the 4th protrusion, and the third protrusion offers third hole, and the 4th protrusion offers the 4th hole, institute Third hole and the 4th hole alignment setting are stated, setting exists the damper of the buffer gear close to one end of the cabinet Between third protrusion and the 4th protrusion, the third hole, second through-hole and the 4th hole are sequentially communicated, second pin One end of axis is provided with the second shaft-cup, and the outer surface of second pin shaft is provided with the second buckle, and second pin shaft is successively The third hole, second through-hole and the 4th hole are worn, the second shaft-cup activity of second pin shaft is connected to described For third protrusion backwards to the one side of the 4th protrusion, the outer surface of second pin shaft offers the second accommodating space, described Second buckle includes the second elastic shelf and the second hook, the inside of one end of second elastic shelf and second accommodating space Connection, the other end of second elastic shelf are connect with second hook, and second hook is movably set in described second In accommodating space, second hook is provided with the second inclined-plane, and second inclined-plane wears the third along second hook Gradually to outer inclination, second hook is provided with the second contacting wall in the one end in hole to the direction of the other end, and described second supports It connects wall and one end setting that second hook wears the third hole backwards to second hook, second contacting wall is set For being connected to institute when second pin shaft is moved along the direction in the 4th hole, second through-hole and the third hole The 4th protrusion is stated backwards to the one side of the third protrusion, first pin shaft is identical as the structure of second pin shaft and shape. When inner cylinder rotates in outer cylinder, inner cylinder will act on outer cylinder, so that outer cylinder can generate the movement of opposite case, for example, when interior When clothing in cylinder is unevenly distributed, it will lead to inner cylinder and generated in rotation and deviate axial power, and then act on outer cylinder.When outer When cylinder is relative to bin movement, the resistance opposite with the outer cylinder direction of motion is generated by buffer gear, with reduce outer cylinder relative to The impulse force of bin movement plays buffer function to outer cylinder, to play the whole machine balancing for maintaining washing machine, the vibration of reduction cabinet and subtract The effect of small outer cylinder noise.On the other hand, water balance is eliminated not only and can increase inner cylinder height, inner cylinder openings of sizes and effectively Volume keeps the structure of washing machine more compact, additionally it is possible to increase the spacing between inner barrel and outer barrel in design, to reduce The risk that inner barrel and outer barrel collides.

In the various embodiments described above, damper is referred to as damper.Friction shock absorber is referred to as friction damper.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.

Claims (10)

1. a kind of washing machine, which is characterized in that including cabinet, outer cylinder, inner cylinder and buffer gear, the inner cylinder is rotatably dispose in institute It states in outer cylinder, the outer cylinder is set in the cabinet, and one end of the buffer gear is connect with the outer surface of the outer cylinder, The other end of the buffer gear is connect with the cabinet.

2. washing machine according to claim 1, which is characterized in that be provided with first connecting portion, institute on the outside of the outer cylinder It states and is provided with second connecting portion on cabinet, the buffer gear includes damper, and one end of the damper and described first connects The connection or hinged of socket part immunity, the other end of the damper are connect or hingedly with the second connecting portion immunity.

3. washing machine according to claim 2, which is characterized in that the rotation of the telescopic direction of the damper and the outer cylinder The angle of line of distance of shaft to first connecting portion is 90 °~160 °.

4. washing machine according to claim 2, which is characterized in that the buffer gear include two dampers, two The telescopic direction of a damper is mutually inclined setting.

5. washing machine according to claim 2, which is characterized in that the damper is friction shock absorber, and the friction subtracts Vibration device includes piston rod, piston cylinder and drag ring, and the piston cylinder has barrel chamber, and the barrel chamber has an opening, the piston Bar at least partly wears the opening, and the drag ring is set between the piston rod and the piston cylinder, the friction The outside of ring is connect with the side wall of the barrel chamber, and the inside activity of the drag ring is connected to the outer surface of the piston rod, The piston cylinder offers first through hole far from the piston rod, and the piston rod offers far from one end of the piston cylinder Two through-holes.

6. washing machine according to claim 2, which is characterized in that further include the first pin shaft, the buffer gear it is described Damper offers first through hole close to one end of the outer cylinder, offers the first pin hole in the first connecting portion, and described One pin shaft wears the first through hole and first pin hole.

7. washing machine according to claim 6, which is characterized in that one end of first pin shaft is provided with the first shaft-cup, The outer surface of first pin shaft is provided with the first buckle, and the outer surface of first pin shaft offers the first accommodating sky Between, first buckle includes the first elastic shelf and the first hook, and one end of first elastic shelf and first accommodating are empty Between inside connection, the other end of first elastic shelf connect with first hook, and first hook is movably set in In first accommodating space, the outer surface of first hook is provided with the first inclined-plane, and first hook is far from described One end of first elastic shelf is provided with the first contacting wall, and first inclined-plane is along first pin shaft far from first shaft-cup Gradually to outer inclination, first contacting wall is arranged towards first shaft-cup in one end to the direction of the other end.

8. washing machine according to claim 2, which is characterized in that it further include the second pin shaft, each buffer gear The damper offers the second through-hole close to one end of the cabinet, and the second pin hole, institute are offered in the first connecting portion It states the second pin shaft and wears second through-hole and second pin hole.

9. according to claim 1 to washing machine described in 8 any one, which is characterized in that the quantity of the buffer gear is more A, multiple buffer gears are equidistantly arranged around the outside of the outer cylinder.

10. washing machine according to claim 1, which is characterized in that further include the first pin shaft and the second pin shaft, the buffering The quantity of mechanism is four, and four buffer gears are equidistantly arranged around the outside of the outer cylinder, and the buffer gear is two-by-two It is correspondingly arranged, each buffer gear includes two friction shock absorbers, and the telescopic direction of two friction shock absorbers is mutual It is obliquely installed, first connecting portion that there are four the outside settings of the outer cylinder, is provided with eight second connecting portions on the cabinet, together One end of two friction shock absorbers of one buffer gear is flexibly connected with the same first connecting portion, same described The other end of two friction shock absorbers of buffer gear connects with two spaced second connecting portion activities respectively It connects, the inner cylinder is rotatably dispose in outer cylinder, and the outer cylinder is set in the cabinet, and the friction shock absorber includes piston Bar, piston cylinder and drag ring, the piston cylinder have barrel chamber, and the barrel chamber has an opening, and the piston rod is at least partly The opening is worn, the drag ring is set between the piston rod and the piston cylinder, the outside of the drag ring and institute The side wall connection of barrel chamber is stated, the inside of the drag ring is used for the central axis motor activity when the piston rod along the barrel chamber It is connected to the outer surface of the piston rod, the piston cylinder offers first through hole, the piston rod far from the piston rod One end far from the piston cylinder offers the second through-hole, and the first connecting portion includes that the first protrusion and second are raised, described First protrusion offers the first hole, and second protrusion offers the second hole, first hole and second hole alignment setting, The damper of the buffer gear close to the setting of one end of the outer cylinder between the first protrusion and the second protrusion, described the One hole, the first through hole and second hole are sequentially communicated, and one end of first pin shaft is provided with the first shaft-cup, and described The outer surface of one pin shaft is provided with the first buckle, first pin shaft successively wear first hole, the first through hole and Second hole, the first shaft-cup activity of first pin shaft are connected to first protrusion backwards to the one of second protrusion Face, the outer surface of first pin shaft offer the first accommodating space, and first buckle includes the first elastic shelf and first Hook, one end of first elastic shelf are connect with the inside of first accommodating space, the other end of first elastic shelf It is connect with first hook, first hook is movably set in first accommodating space, the first hook setting Have the first inclined-plane, first inclined-plane along first hook wear one end to the direction of the other end in first hole gradually to Outer inclination, first hook are provided with the first contacting wall, and first contacting wall is arranged in first hook backwards to institute One end setting that the first hook wears first hole is stated, first contacting wall is used for when first pin shaft is along described second When the direction movement in hole, the first through hole and first hole, second protrusion is connected to backwards to first protrusion On one side, the second connecting portion includes third protrusion and the 4th protrusion, and the third protrusion offers third hole, and the described 4th is convex It rises and offers the 4th hole, the third hole and the 4th hole alignment setting, the damper of the buffer gear is close to institute The one end for stating cabinet is arranged between third protrusion and the 4th protrusion, the third hole, second through-hole and the 4th hole It is sequentially communicated, one end of second pin shaft is provided with the second shaft-cup, and the outer surface of second pin shaft is provided with the second card Button, second pin shaft successively wear the third hole, second through-hole and the 4th hole, and the second of second pin shaft Shaft-cup activity is connected to the third protrusion backwards to the one side of the 4th protrusion, and the outer surface of second pin shaft offers Second accommodating space, it is described second buckle include the second elastic shelf and the second hook, one end of second elastic shelf with it is described The inside of second accommodating space connects, and the other end of second elastic shelf is connect with second hook, second hook It is movably set in second accommodating space, second hook is provided with the second inclined-plane, and second inclined-plane is along described Two hooks wear one end to the direction of the other end in the third hole gradually to outer inclination, and second hook is provided with second Contacting wall, second contacting wall are arranged in second hook and set backwards to one end that second hook wears the third hole It sets, second contacting wall is used for when second pin shaft is along the 4th hole, the side of second through-hole and the third hole To the one side for when movement, being connected to the described 4th raised third protrusion backwards, first pin shaft and second pin shaft Structure it is identical with shape.