CN109385826A - Damper and device for clothing processing including the damper - Google Patents
Damper and device for clothing processing including the damper Download PDFInfo
- Publication number
- CN109385826A CN109385826A CN201710693916.3A CN201710693916A CN109385826A CN 109385826 A CN109385826 A CN 109385826A CN 201710693916 A CN201710693916 A CN 201710693916A CN 109385826 A CN109385826 A CN 109385826A
- Authority
- CN
- China
- Prior art keywords
- damper
- plunger
- chamber
- sleeve
- throttling element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000013016 damping Methods 0.000 claims abstract description 83
- 239000002775 capsule Substances 0.000 claims description 48
- 239000007788 liquid Substances 0.000 claims description 48
- 238000007789 sealing Methods 0.000 claims description 22
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000005406 washing Methods 0.000 abstract description 41
- 230000000694 effects Effects 0.000 abstract description 16
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
Abstract
The present invention relates to washing machine technology fields, and in particular to a kind of damper and the device for clothing processing including the damper.Present invention seek to address that the problems such as damping effect of damper in the prior art is poor.For this purpose, damper of the invention includes sleeve, there is first chamber;Plunger, has second chamber, and plunger is slidably inserted into first chamber;It is additionally provided with throttling element in first chamber, throttling element is equipped with several damping holes, and a part in several damping holes is in the sliding of plunger to be opened/closed state, first chamber and second chamber and communicate with each other by damping hole in the open state;Sleeve is also formed with the first position limiting structure, and the second position limiting structure is formed on throttling element, and the first position limiting structure and the second position limiting structure are cooperatively connected, and making can not relative motion between throttling element and sleeve.By the setting of throttling element and position limiting structure, the damping force that damper of the invention generates can be changed at any time and stability is high, can large-scale promotion use.
Description
Technical field
The present invention relates to clothing processing technology fields, and in particular to a kind of damper and the clothing processing including the damper
Device.
Background technique
Washing machine is the clean type electric appliance that clothing is washed using electric energy, and with the quickening pace of modern life and people are to life
The high request of comfort level living, washing machine have become essential household electrical appliance in people's daily life.However, washing machine exists
Very big vibration and noise can be issued in washing, rinsing and dehydration, a little inconvenience is brought to the normal life of people.
Solve the problems, such as washing machine work when vibration and noise it is excessive on, the invention of Publication No. CN105986407A is special
Benefit application discloses a kind of " damper and washing machine, dryer ".Wherein, damper includes sleeve and the first column open at one end
Plug, one end of the first plunger are fixing end, and the other end is inserted into sleeve from the opening of sleeve, and can slide along sleeve, the first column
The friction plate with the first plunger frictional fit is provided between plug and sleeve;Sleeve is equipped with elastic component and is connected with elastic component
And can relative sleeve Frictional Slipping the second Frictional Slipping device, and move past predetermined position when the first plunger relative sleeve
Afterwards, the first plunger and the second Frictional Slipping device abut against simultaneously compression elastic piece.The damper mainly passes through the first plunger and is covering
Carry out the frictional force of friction generation in cylinder in reciprocatory movement with friction plate and in the first plunger more than predetermined position pusher
The frictional force and elastic force that dynamic second Frictional Slipping device compression elastic piece generates, realize the purpose for reducing washing machine vibration.But
It is, when the first plunger moves back and forth in sleeve, only to do compression movement in the first plunger relative sleeve and be more than pre-determined bit
When setting, the elastic force that the frictional force and elastic component that the second Frictional Slipping device generates generate can just be intervened, and predetermined being less than
When position and the first plunger relative sleeve do extensional motion, the amplitude of the frictional force and washing machine of generation it is unrelated, be constant
Power.Therefore, the damping force for reducing vibration which generates cannot be all opposite according to first piston at any time
The increase of sleeve movement travel and adjust, damping effect is poor.
In addition, the damper of this setup is after used a period of time, frictional force can be due to friction plate and second
The abrasion of Frictional Slipping device and reduce, and then damper gradually fails, cause the noise of washing machine and shake it is increasing, into
And influence the usage experience of user.
Correspondingly, this field needs a kind of new damper to solve the above problems.
Summary of the invention
In order to solve the above problem in the prior art, in order to solve the damping effect of existing damper during the work time
The problems such as fruit is poor and the abrasion of drag ring is easy to cause defective shock absorber, the present invention provides a kind of dampers, including set
Cylinder, the sleeve have first chamber;Plunger, the plunger have second chamber, and the plunger is slidably inserted into
In the first chamber;The throttling element of second chamber described in partial insertion, the throttling element are additionally provided in the first chamber
Equipped with several damping holes, a part in several described damping holes is in the sliding of the plunger opens/closes state,
The first chamber and the second chamber communicate with each other by the damping hole in the open state;The sleeve is also formed
There is the first position limiting structure, the second position limiting structure, first position limiting structure and second limit are formed on the throttling element
Structure is cooperatively connected, and making can not relative motion between the throttling element and the sleeve.
In the optimal technical scheme of above-mentioned damper, liquid capsule, the opening of the liquid capsule are provided in the first chamber
End is fixedly connected with the plunger, and fluid is filled in the inner cavity of the liquid capsule and/or the second chamber, and the throttling element is set
It is placed in the liquid capsule.
In the optimal technical scheme of above-mentioned damper, the throttling element includes pedestal and is integrally formed with the pedestal
Or the pipe structure being fixedly connected, the pedestal are set to the one end of the liquid capsule far from the plunger, the pipe structure is inserted into institute
State second chamber.
In the optimal technical scheme of above-mentioned damper, several damping holes being axially set in along the pipe structure
The outer wall of the pipe structure.
In the optimal technical scheme of above-mentioned damper, the damper further includes at least one elastic component, it is described at least
One elastic component is arranged in a manner of preventing the plunger from sliding.
In the optimal technical scheme of above-mentioned damper, sealing element, institute are also equipped between the throttling element and the plunger
It states and is provided with annular seal groove on the outer wall of pipe structure or the inner wall of the plunger, the sealing element is embedded at the ring packing
In slot.
In the optimal technical scheme of above-mentioned damper, first position limiting structure be the sleeve inner wall on formed
Annular protrusion.
In the optimal technical scheme of above-mentioned damper, the annular protrusion is formed in described by way of roll forming
On sleeve.
In the optimal technical scheme of above-mentioned damper, second position limiting structure is being circumferentially arranged along the pedestal
The annular groove or annular chamfer being cooperatively connected with the annular protrusion.
The present invention also provides a kind of device for clothing processing, which includes shell and is set to the shell
In cylindric washer, the cylindric washer is supported in the shell by multiple dampers, wherein at least one in the damper
A is damper described in any one of above scheme.
It will be appreciated to those of skill in the art that damper includes sleeve in the preferred technical solution of the present invention, set
Cylinder has first chamber;Plunger, plunger are equipped with second chamber, and plunger is slidably inserted into first chamber;First chamber
Liquid capsule is provided in room, the open end of liquid capsule is fixedly connected with plunger, filled with stream in the inner cavity of liquid capsule and/or second chamber
Body.Throttling element is additionally provided in liquid capsule, throttling element includes bottom plate and pipe structure, and pipe structure is inserted into second chamber.Pipe structure is equipped with
Several damping holes, a part in several damping holes is in the sliding of plunger opens/closes state, liquid capsule and the second chamber
Room communicates with each other by damping hole in the open state.Sleeve also roll forming has the first position limiting structure, is formed on throttling element
There is the second position limiting structure, the first position limiting structure and the second position limiting structure are cooperatively connected, and make between throttling element and sleeve without opposite fortune
It is dynamic.
Pass through the setting of throttling element, with the change of plunger stroke in sleeve, the number of damping hole in the open state
Amount is corresponding to be changed, and then damping force also changes accordingly.Specifically, the fluid when plunger does compression movement, in liquid capsule
Flowed to second chamber, while damping hole in the open state is fewer and fewer so that fluid enter the difficulty of second chamber by
Cumulative big, the fluid in first chamber enters second chamber and needs bigger power, so that the damping force for generating damper is bigger.
When plunger does extensional motion, the fluid of second chamber is flowed into liquid capsule, while damping hole in the open state is increasingly
More, so that fluid is gradually reduced by the difficulty that damping hole enters in liquid capsule, the fluid of second chamber is quickly reduced, so that the
Negative pressure in two chambers increases, and causes the fluid in second chamber to enter the damping force that liquid capsule is subject to and becomes larger.Therefore, of the invention
In damper, as stroke of the plunger in sleeve increases, the damping force being subject to is also increasing.That is, laundry
The vibration of machine is bigger, and the damping force that damper provides is also bigger, of the invention for existing washing machine damper
The damping force of damper be all at any time it is variable, damper can be adjusted automatically according to the vibration frequency of washing machine
It is whole, the damping force to match with vibration is formed, to reduce vibration and noise.
Further, the mating connection of the first position limiting structure and the second position limiting structure of roll forming, can do in plunger
Move back and forth, especially extensional motion when, make throttling element not follow plunger mobile with the stretching of plunger, i.e. throttling element and sleeve
Between without relative motion, shock absorber fluids damping force reduces caused by avoiding throttling element mobile in sleeve with the movement of plunger
The problem of, guarantee the damping effect of damper.
In addition, being also equipped with sealing element between throttling element and plunger, sealing element is fixedly connected on throttling element/plunger.Subtract
Shake device further includes at least one elastic component, at least one elastic component is arranged in a manner of preventing plunger from sliding.In throttling element and column
The sealing between pipe structure and plunger inner wall may be implemented in the sealing element being arranged between plug, it is ensured that and fluid is not flowed by gap,
But the flowing between liquid capsule and second chamber is only realized by damping hole, it avoids making pipe knot due to machining accuracy, abrasion etc.
Fit clearance between structure and plunger is excessive, and then fluid is dropped significantly by the damping force of damper caused by the flowing of the gap
Low problem occurs.
At least one elastic component is arranged in a manner of preventing plunger from sliding, then can move reciprocatingly in plunger, especially
When compression movement, the spring energy that elastic component generates provides additional damping force for damper, further to offset washing machine generation
Vibration, enhance the damping effect of damper.
Detailed description of the invention
With reference to the accompanying drawings and in conjunction with roller washing machine to describe damper of the invention and including the clothing of the damper
Processing unit.In attached drawing:
Fig. 1 is the schematic view of the mounting position of the damper for roller washing machine of the invention;
Fig. 2 is the appearance diagram of the damper for roller washing machine of the invention;
Fig. 3 is the schematic cross-sectional view of the first embodiment of the damper for roller washing machine of the invention;
Fig. 4 is partial enlargement diagram of the Fig. 3 at A;
Fig. 5 is the office of second of embodiment of the second position limiting structure of the damper for roller washing machine of the invention
Portion's enlarged diagram;
Fig. 6 is partial enlargement diagram of the Fig. 3 at B;
Fig. 7 is the partial enlargement of second of embodiment of the sealing element of the damper for roller washing machine of the invention
Schematic diagram.
Reference signs list
1, damper;11, sleeve;111, the first fixed part;112, first chamber;12, plunger;121, the second fixed part;
122, second chamber;123, the second annular seal groove;13, throttling element;131, pedestal;1311, the second position limiting structure;132, Guan Jie
Structure;133, damping hole;134, first annular seal groove;14, liquid capsule;15, the first position limiting structure;16, elastic component;17, sealing element;
2, shell;3, roller;4, hydraulic oil.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little embodiments are used only for explaining technical principle of the invention, it is not intended that limit the scope of the invention.For example, although
It is to be described in conjunction with hydraulic oil in specification, still, the present invention obviously can have certain viscosity using other forms
Fluid, as long as the fluid itself will not cause to corrode to plunger and liquid capsule.
It should be noted that in the description of the present invention, term " center ", "upper", "lower", "left", "right", "vertical",
The direction of the instructions such as "horizontal", "inner", "outside" or the term of positional relationship are direction based on the figure or positional relationship, this
It is intended merely to facilitate description, rather than indication or suggestion described device or element must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second ", " third " are only used
In description purpose, it is not understood to indicate or imply relative importance.
In addition it is also necessary to explanation, in the description of the present invention unless specifically defined or limited otherwise, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.To those skilled in the art, it can understand that above-mentioned term exists as the case may be
Concrete meaning in the present invention.
With reference first to Fig. 1, Fig. 2 and Fig. 3, wherein Fig. 1 is the installation position of the damper for roller washing machine of the invention
Set schematic diagram;Fig. 2 is the appearance diagram of the damper for roller washing machine of the invention;Fig. 3 is of the invention for rolling
The schematic cross-sectional view of the first embodiment of the damper of cylinder washing machine.
As shown in Figure 1, one end of the damper 1 for roller washing machine of the invention is connected to the shell of roller washing machine
On 2, the other end of damper 1 is connected to the bottom of roller 3, when roller 3 shakes during the work time, 1 energy of damper
It enough supports roller 3 and consumes the vibration energy of the generation of roller 3.Specifically, as shown in Figures 2 and 3, damper 1 mainly wraps
The first fixed part 111, the column for including sleeve 11, being fixedly connected with the first end (left end of sleeve 11 shown in Fig. 3) of sleeve 11
Plug 12 and the second fixed part 121 being fixedly connected with the first end (right end of plunger 12 shown in Fig. 3) of plunger 12.Its
In, sleeve 11 has first chamber 112, is provided with second chamber 122 in plunger 12.In assembled state, plunger 12
Second end (left end of plunger 12 shown in Fig. 3) is slideably from the second end of the sleeve 11 (right side of sleeve 11 shown in Fig. 3
End) it is inserted into the first chamber 112 of sleeve 11.Preferably, the outer wall of plunger 12 and the inner wall of sleeve 11 are slideably close
Engagement.First fixed part 111 is used to be connected to the roller 3 of washing machine, and the second fixed part 121 is used to be connected to the shell of washing machine
2.It is, of course, understood that the first fixed part 111 can also be connected to the shell 2 of washing machine, by the second fixed part 121
It is connected to the roller 3 of washing machine.
Refering to Fig. 3, it is provided with liquid capsule 14 in first chamber 112, throttling element 13 is provided in liquid capsule 14.The envelope of liquid capsule 14
Closed end (left end of liquid capsule 14 shown in Fig. 3) is resisted against in the first chamber 112 of sleeve 11, is preferably fixed and is connected with sleeve 11
It connects.The open end (right end of liquid capsule 14 shown in Fig. 3) of liquid capsule 14 is hermetically closely connect with the second end of plunger 12.Throttling
Part 13 is set to the closed end of liquid capsule 14 including pedestal 131 and the pipe structure 132 being fixedly connected with pedestal 131, pedestal 131,
Pipe structure 132 is inserted into second chamber 122.Several damping holes 133, the inner cavity of liquid capsule 14 and/or are provided in pipe structure 132
By injection hydraulic oil 4, when plunger 12 slides in the first chamber 112 of sleeve 11, several damping holes in two chambers 122
A part of damping hole 133 in 133, which is in, opens/closes state, and hydraulic oil 4 can pass through damping hole in the open state
133 back and forth flow in liquid capsule 14 and second chamber 122.
Preferably, liquid capsule 14 is made by elastic material or flexible material, such as polyurethane, silica gel, the materials such as rubber.Bottom
Seat 131 is integrally formed with pipe structure 132, several damping holes 133 are axially set in the outer of pipe structure 132 along pipe structure 132
Wall, and the axis of damping hole 133 and the axis of pipe structure 132 have angle.It is further preferred that along the axis of pipe structure 132
To two rows damping hole 133 is provided with, the angle between the axis of damping hole 133 and the axis of pipe structure 132 is 90 °,
It is exactly damping hole 133 perpendicular to horizontally arranged (according to orientation shown in Fig. 3).Pedestal 131 is in circumferential outer rim and the first chamber
The inner wall of room 112 matches, and if first chamber 112 is cylindrical cavity, pedestal 131 is cylindrical structure, and cylindrical type knot
The cross-sectional diameter of structure cross-sectional diameter and cylindrical cavity is roughly equal.
From the description above it can be seen that on the one hand, since the open end of liquid capsule 14 is fixedly connected with plunger 12, liquid capsule 14
Closed end be fixedly connected with sleeve 11, therefore, plunger 12 move back and forth during, plunger 12 can stretch or compress liquid capsule
14, in turn, liquid capsule 14 can provide an elastic damping power, as plunger 12 deviates the increasing of the stroke of equilbrium position in sleeve 11
Greatly, the elastic damping power being subject to also is increasing, and enhances the damping effect of damper 1.Importantly, on the other hand, by
In being provided with throttling element 13, and the insertion second chamber 122 of pipe structure 132 of throttling element 13 in liquid capsule 14, therefore, in plunger
During 12 move back and forth, the number of damping hole 133 in the open state is changing at any time, and then passes through damping hole 133
The damping force of generation is also correspondingly changing, and further enhances the damping effect of damper 1.Further, since in first chamber
One end that liquid capsule 14 and liquid capsule 14 are provided in 112 is sealingly connected to plunger 12, therefore, in plunger 12 relative to sleeve 11
During being slided, 4 meetings of hydraulic oil are flowed between liquid capsule 14 and second chamber 122, are avoided since hydraulic oil 4 is let out
The problem of damper 1 fails caused by dew.And what pedestal 131 matched in the inner wall of circumferential outer rim and first chamber 112
Set-up mode also enables pedestal 131 to limit the horizontal position of pipe structure 132 so that plunger 12 and throttling element 13 it
Between sliding more smoothly and stablize, avoid since throttling element 13 is during the work time due to there is the pipe structure of throttling element 13
The case where damper 1 fails caused by 132 appearance biasing phenomenons.
In other words, compared to the existing damper of rotating drum washing machine for carrying out damping using frictional force, of the invention subtracts
The damping force of the generation of device 1 damping force inconstant at any time is shaken, is changed with the amplitude of vibration, the vibration of vibration
Width is bigger, and the damping force for resisting the vibration that damper 1 generates is also bigger.And damper 1 of the invention can't be because of
Phenomena such as abrasion and the problem of cause damper 1 to fail after a period of operation, to efficiently solve existing skill
Damping force is unable to the problem of consecutive variations in art, substantially enhances the damping effect of damper 1, improves user and is washed using roller
The user experience of clothing machine.
Herein it should also be noted that, in the present embodiment with no restriction to the quantity and diameter of damping hole 133, for difference
For the damper 1 of model, the quantity and diameter of damping hole 133 are not quite similar.For example, for smaller damper
For 1, the diameter of damping hole 133 can be in the thickness section of a few tenths of a mm to several millimeters;And the damper 1 of relatively large-scale
It says, the diameter of damping hole 133 can be in several millimeters to more than ten millimeters of thickness section.
Those skilled in the art will also be appreciated that the preferred arrangement of above-mentioned throttling element 13 is used merely to explain this
The principle of invention, it is not intended that with limit the scope of the invention, under the premise of without departing from the principle of the invention, this field skill
Art personnel can also carry out any form of adjustment to above-mentioned set-up mode, to adapt to more specifical application.For example,
The section of damping hole 133 can also be ellipse or rectangle;Pedestal 131 can be fixed with pipe structure 132 by the way of being spirally connected
Connection;Angle between the axis of damping hole 133 and the axis of pipe structure 132 can be any angle, such as the axis of damping hole 133
The angle of line and the axis of pipe structure 132 in horizontal direction to the left is 45 °.
Referring next to Fig. 2, Fig. 3 and Fig. 4, wherein Fig. 4 is partial enlargement diagram of the Fig. 3 at A.
As shown in figure 3, the first position limiting structure 15 is also formed on sleeve 11 in a kind of more preferably embodiment,
The second position limiting structure 1311 is formed on the pedestal 131 of throttling element 13, the first position limiting structure 15 is embedded in the second position limiting structure 1311,
And then throttling element 13 is limited, make between throttling element 13 and sleeve 11 without relative motion.Referring to Fig. 4, it is preferable that the first limit
Bit architecture 15 is the pointed protrusion of annular, and it can preferably be formed by way of roll forming, after roll forming,
The outer wall of sleeve 11 forms pointed protrusion to the first cavity 112, and leave outside sleeve 11 it is right with the pointed protrusion of the annular
The pointed recess answered.Preferably, the second position limiting structure 1311 is the annular corresponding with the first position limiting structure formed on pedestal 131
Groove, the annular groove can be with rolls forming, naturally it is also possible to are process by other modes, such as die casting or machining
Deng.In this way, throttling element 13 completes limit by the mating connection of the first position limiting structure 15 and the second position limiting structure 1311, Gu
Due in sleeve 11, with sleeve 11 without relative motion.
The advantages of above-mentioned set-up mode, is: the mating connection of the first position limiting structure 15 and the second position limiting structure 1311, energy
It is enough move reciprocatingly in plunger 12, especially extensional motion when, so that throttling element 13 is not followed plunger 12 with the stretching of plunger 12
It is mobile, i.e., without relative motion between throttling element 13 and sleeve 11, and then avoid throttling element 13 with the movement of plunger 12 in sleeve 11
The problem of 1 fluid damping forces of damper reduce caused by middle movement guarantees the damping effect of damper 1.
It will be appreciated to those of skill in the art that the set-up mode of above-mentioned first position limiting structure 15 is not unique, not
It is any that the set-up mode between throttling element 13 and sleeve 11 without relative motion can be made to fall into the case of deviateing the principle of the invention
Within protection scope of the present invention.For example, referring to Fig. 5, Fig. 5 is the of the damper for roller washing machine of the invention
The partial enlargement diagram of second of embodiment of two position limiting structures.As shown in figure 5, being preferably carried out mode in another kind
In, the first position limiting structure 15 is still for using the pointed protrusion of above-mentioned roll forming, the second position limiting structure 1311 be can also be the bottom of along
The pointed protrusion of the annular chamfer of seat 131 outer rims setting, the annular chamfer and the first position limiting structure 15 is against to realize pointed
Limit function of the protrusion to throttling element 13.
With further reference to Fig. 3, in a kind of more preferably embodiment, damper 1 further includes at least one elastic component,
At least one elastic component is arranged in a manner of preventing plunger 12 from sliding.Preferably, an elastic component has can be set in damper 1
16, and elastic component 16 can be set to all have compressive deformation when plunger 12 does compression movement, do stretching fortune in plunger 12
There is tensile deformation when dynamic.Orientation as shown in Figure 3, the both ends of elastic component 16 respectively with the right end annular surface of pipe structure 132 and
The right side of two chambers 122 is connected.Specifically, elastic component can be spring, leaf spring or elastomer block.
Have the advantage that in this way: the elastic force that elastic component 16 is generated when plunger 12 moves reciprocatingly can be further
The vibration that washing machine generates is offset, further enhances the damping effect of damper 1, this effect is when plunger 12 does compression movement
It is particularly evident.
Certainly, the quantity of elastic component and set-up mode and not exclusive, those skilled in the art can also make it accordingly
Adjustment, so that it adapts to more specifical application scenarios.If elastic component can also only be arranged two, one is set to the second chamber
In room (such as elastic component 16), another is then set in liquid capsule 14, both ends respectively with the right circular face of pedestal 131 and plunger 12
Second end be connected, such set-up mode can equally complete elastic force offset vibration effect.
Referring to shown in Fig. 6 and Fig. 7, Fig. 6 is partial enlargement diagram of the Fig. 3 at B;Fig. 7 is of the invention is used for
The partial enlargement diagram of second of embodiment of the sealing element of the damper of roller washing machine.
As shown in fig. 6, in a kind of more preferably embodiment, in order to further increase the damping effect of damper 1,
Sealing element 17 is also provided between throttling element 13 and plunger 12.Preferably, sealing element 17 is O-ring seal, and
The first annular seal groove 134 to match with the diameter of O-ring seal, O-shaped sealing are provided in the pipe structure 132 of throttling element 13
Circle is embedded in the first annular seal groove 134.
It may be implemented between 12 inner wall of pipe structure 132 and plunger by the setting of O-ring seal it can be seen from foregoing description
Sealing, it is ensured that hydraulic oil 4 is only realized by damping hole 133 not by the gap flowing between plunger 12 and pipe structure 132
Flowing between liquid capsule 14 and second chamber 122, avoid making due to machining accuracy, abrasion etc. pipe structure 132 and plunger 12 it
Between fit clearance it is excessive, and then hydraulic oil 4 flowed by the gap caused by damper 1 asking of substantially reducing of damping force
Topic occurs, and further promotes the damping effect of damper 1.
Obviously, the form of sealing element 17 and setting position are not unalterable, as shown in fig. 7, can also be in the second chamber
The second annular seal groove 123 that annular is opened up on the inner wall of room 122, sealing element 17 is embedded in second annular seal groove 123
In.In addition, the form of sealing element 17 can also be any other form, if its satisfaction can by plunger 12 and throttling element 13 it
Between clearance seal condition, such as sealing element 17 can also be sealing ring.
It is described briefly below with reference to working principle of the Fig. 3 to the damper 1 for roller washing machine of the invention.
By shown in the orientation Fig. 3, when 12 stress of plunger is slided to the left, 14 volume of liquid capsule becomes smaller, with sleeve 11 without opposite fortune
Damping hole 133 in the open state is reduced on dynamic throttling element 13, and hydraulic oil 4 is squeezed, and the inner cavity of liquid capsule 14 generates just
Pressure, and due to the presence of sealing element 17 makes 4, hydraulic oil by damping hole 133 in the open state to second chamber 122
Flowing, hydraulic oil 4 generate damping force to the right to plunger 12 when flowing to second chamber 122.Elastic component 16 is compressed simultaneously
Biggish elastic force is generated, the movement of plunger 12 to the left is slowed down together with damping force, plays the effect of damping;When 12 stress of plunger
When sliding to the right, the volume of second chamber 122 and liquid capsule 14 all becomes larger, with sleeve 11 without being on the throttling element 13 of relative motion
The damping hole 133 of opening state increases, and hydraulic oil 4 is stretched, and the inner cavity of liquid capsule 14 generates negative pressure, and due to sealing element 17
Presence, make hydraulic oil 4 just through damping hole 133 enter liquid capsule 14 inner cavity in, hydraulic oil 4 is when flowing to the inner cavity of liquid capsule 14
Damping force to the left is generated to plunger 12, slows down the movement of plunger 12 to the left, plays damping effect, at the same elastic component 16 due to
There is elastic force with tensile deformation, throttling element 13 is prevented to move right with plunger 12.
Referring again to Fig. 1, another aspect of the present invention provides a kind of washing machine comprising shell 2 and is set to shell
Roller 3 in 2, roller 3 are supported on shell 2 by two dampers 1, it is preferable that two dampers 1 are this above-mentioned hair
The bright damper 1 for roller washing machine.Certainly, setting quantity of the damper 1 in roller washing machine is not unalterable,
Three, four or more dampers 1 are also provided in roller washing machine, and at least one in these dampers 1
A is the damper 1 of aforementioned present invention.
In addition it should be pointed out that although the above preferred embodiment is illustrated by taking roller washing machine as an example,
But this is not intended to limit protection scope of the present invention, it may occur to persons skilled in the art that, in addition to roller washing machine, this
Invention can also be applied to other device for clothing processing, such as can also be applied to rotary drum washing machine, dryer and shoe washing machine
Device with the same or similar shock-damping structure.
So far, it has been combined preferred embodiment shown in the drawings and describes technical solution of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to the relevant technologies feature, these
Technical solution after change or replacement will fall within the scope of protection of the present invention.
Claims (10)
1. a kind of damper, comprising:
Sleeve, the sleeve have first chamber;
Plunger, the plunger have second chamber, and the plunger is slidably inserted into the first chamber;
It is characterized in that, the throttling element of second chamber described in partial insertion is additionally provided in the first chamber, the throttling element
Equipped with several damping holes, a part in several described damping holes is in the sliding of the plunger opens/closes state,
The first chamber and the second chamber communicate with each other by the damping hole in the open state;
The sleeve is also formed with the first position limiting structure, and the second position limiting structure, first limit are formed on the throttling element
Structure and second position limiting structure are cooperatively connected, and making can not relative motion between the throttling element and the sleeve.
2. damper according to claim 1, which is characterized in that be provided with liquid capsule, the liquid capsule in the first chamber
Open end be fixedly connected with the plunger, in the inner cavity of the liquid capsule and/or the second chamber be filled with fluid, the section
Stream part is set in the liquid capsule.
3. damper according to claim 2, which is characterized in that the throttling element include pedestal and with the pedestal one
Pipe structure that is body formed or being fixedly connected, the pedestal are set to the one end of the liquid capsule far from the plunger, the pipe structure
It is inserted into the second chamber.
4. damper according to claim 3, which is characterized in that axial direction of several the described damping holes along the pipe structure
It is set to the outer wall of the pipe structure.
5. damper according to claim 3, which is characterized in that the damper further includes at least one elastic component, institute
At least one elastic component is stated to be arranged in a manner of preventing the plunger from sliding.
6. damper according to claim 5, which is characterized in that be also equipped with sealing between the throttling element and the plunger
It is provided with annular seal groove on part, the outer wall of the pipe structure or the inner wall of the plunger, the sealing element is embedded at the ring
In shape seal groove.
7. damper according to any one of claim 3 to 6, which is characterized in that first position limiting structure is described
The annular protrusion formed on the inner wall of sleeve.
8. damper according to claim 7, which is characterized in that the annular protrusion is formed by way of roll forming
On the sleeve.
9. damper according to claim 7, which is characterized in that second position limiting structure is the circumferential direction along the pedestal
The annular groove being cooperatively connected with the annular protrusion or annular chamfer being arranged.
10. a kind of device for clothing processing, including shell and the cylindric washer being set in the shell, the cylindric washer passes through multiple
Damper is supported in the shell, which is characterized in that at least one of described damper is to appoint according in claim 1-9
Damper described in one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710693916.3A CN109385826B (en) | 2017-08-14 | 2017-08-14 | Damper for laundry treating apparatus and laundry treating apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710693916.3A CN109385826B (en) | 2017-08-14 | 2017-08-14 | Damper for laundry treating apparatus and laundry treating apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109385826A true CN109385826A (en) | 2019-02-26 |
CN109385826B CN109385826B (en) | 2022-01-04 |
Family
ID=65416351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710693916.3A Active CN109385826B (en) | 2017-08-14 | 2017-08-14 | Damper for laundry treating apparatus and laundry treating apparatus |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109385826B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110699912A (en) * | 2019-08-19 | 2020-01-17 | 珠海格力电器股份有限公司 | Self-locking suspension-based drum washing machine, control method and readable storage medium |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0478273A2 (en) * | 1990-09-25 | 1992-04-01 | Bridgestone Corporation | Vibration damping device |
CN1325803A (en) * | 2000-05-30 | 2001-12-12 | 利夫巴格普通合伙公司 | Mixed gas generater with double tubular housing and hole column |
CN1898043A (en) * | 2003-12-24 | 2007-01-17 | 日本化药株式会社 | Partitioning method for pipe material, pipe material manufactured by the method, and gas generator |
CN201843931U (en) * | 2010-10-25 | 2011-05-25 | 重庆瑞翱机电设备有限公司 | Motorcycle front shock absorber with automatically changing damping resistance |
CN202132441U (en) * | 2011-06-24 | 2012-02-01 | 浙江强广剑工贸有限公司 | Damping shock absorber |
CN203189596U (en) * | 2013-04-02 | 2013-09-11 | 江苏昌力油缸有限公司 | Controllable reset damping oil cylinder |
CN204780319U (en) * | 2015-06-30 | 2015-11-18 | 张志雄 | Squirrel -cage motor screw thread piston dry -cleaning cylinder of moving away to avoid possible earthquakes |
CN106564456A (en) * | 2015-10-09 | 2017-04-19 | 宝应县宝鸿汽配厂 | Hydraulic buffer type bumper |
-
2017
- 2017-08-14 CN CN201710693916.3A patent/CN109385826B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0478273A2 (en) * | 1990-09-25 | 1992-04-01 | Bridgestone Corporation | Vibration damping device |
CN1325803A (en) * | 2000-05-30 | 2001-12-12 | 利夫巴格普通合伙公司 | Mixed gas generater with double tubular housing and hole column |
CN1898043A (en) * | 2003-12-24 | 2007-01-17 | 日本化药株式会社 | Partitioning method for pipe material, pipe material manufactured by the method, and gas generator |
CN201843931U (en) * | 2010-10-25 | 2011-05-25 | 重庆瑞翱机电设备有限公司 | Motorcycle front shock absorber with automatically changing damping resistance |
CN202132441U (en) * | 2011-06-24 | 2012-02-01 | 浙江强广剑工贸有限公司 | Damping shock absorber |
CN203189596U (en) * | 2013-04-02 | 2013-09-11 | 江苏昌力油缸有限公司 | Controllable reset damping oil cylinder |
CN204780319U (en) * | 2015-06-30 | 2015-11-18 | 张志雄 | Squirrel -cage motor screw thread piston dry -cleaning cylinder of moving away to avoid possible earthquakes |
CN106564456A (en) * | 2015-10-09 | 2017-04-19 | 宝应县宝鸿汽配厂 | Hydraulic buffer type bumper |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110699912A (en) * | 2019-08-19 | 2020-01-17 | 珠海格力电器股份有限公司 | Self-locking suspension-based drum washing machine, control method and readable storage medium |
Also Published As
Publication number | Publication date |
---|---|
CN109385826B (en) | 2022-01-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109386567A (en) | Damper and device for clothing processing including the damper | |
CN109385818A (en) | Damper and device for clothing processing including the damper | |
CN105864340B (en) | A kind of damping changing impact damper | |
EP2725130A1 (en) | Shock absorber having an improved friction element | |
CN109385826A (en) | Damper and device for clothing processing including the damper | |
CN109385828A (en) | Damper and device for clothing processing including the damper | |
CN109385819A (en) | Damper and device for clothing processing including the damper | |
CN109385820A (en) | Damper and device for clothing processing including the damper | |
CN109385827A (en) | Damper and device for clothing processing including the damper | |
CN109385821A (en) | Damper and device for clothing processing including the damper | |
CN109385832A (en) | Damper and device for clothing processing including the damper | |
CN206320222U (en) | Damping buffer with helix oil groove | |
CN109385829A (en) | Damper and device for clothing processing including the damper | |
US9618073B2 (en) | Shock absorber having an improved friction element | |
CN109385823A (en) | Damper and device for clothing processing including the damper | |
CN109385825A (en) | Damper and device for clothing processing including the damper | |
CN206320219U (en) | Damping buffer | |
CN109385830A (en) | Damper and device for clothing processing including the damper | |
CN109385822A (en) | Damper and device for clothing processing including the damper | |
CN109385824A (en) | Damper and device for clothing processing including the damper | |
CN109957922A (en) | Damper and device for clothing processing including the damper | |
CN109957920A (en) | Damper and device for clothing processing including the damper | |
CN109957919A (en) | Damper and device for clothing processing including the damper | |
CN111485377A (en) | Balance ring and clothes treatment equipment with same | |
CN207437665U (en) | A kind of pneumatic bumper of washing machine, dryer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20211130 Address after: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant after: QINGDAO HAIER WASHING MACHINE Co.,Ltd. Applicant after: Haier Smart Home Co., Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER WASHING MACHINE Co.,Ltd. |
|
TA01 | Transfer of patent application right | ||
GR01 | Patent grant | ||
GR01 | Patent grant |