CN109385820A - Damper and device for clothing processing including the damper - Google Patents
Damper and device for clothing processing including the damper Download PDFInfo
- Publication number
- CN109385820A CN109385820A CN201710662510.9A CN201710662510A CN109385820A CN 109385820 A CN109385820 A CN 109385820A CN 201710662510 A CN201710662510 A CN 201710662510A CN 109385820 A CN109385820 A CN 109385820A
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- China
- Prior art keywords
- chamber
- damper
- plunger
- damping
- liquid capsule
- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
- D06F37/225—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets
Abstract
The present invention relates to washing machine technology fields, and in particular to a kind of damper and the washing machine including the damper.Present invention seek to address that damping force of vibration damper in the prior art is immutable, defective shock absorber leads to problems such as damping effect poor.For this purpose, damper of the invention includes sleeve, sleeve has first chamber；Plunger, plunger have 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.By the setting of throttling element, i.e., be in by a part in several damping holes with the sliding of plunger and open/close state so that damper of the invention in the damping force of offer be it is variable, 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.
When solving the problems, such as washing machine work vibration and noise it is excessive on, Publication No. CN201310034Y's is practical new
Type patent application discloses a kind of " damper of rotating drum washing machine ".Specifically, the damper of rotating drum washing machine includes guiding resistance
Buddhist nun's cylinder, drag ring, plunger combination, wherein plunger combination is made of plunger tube and connector, and connector is fixed on plunger tube upper end, plunger
In combination insertion damping cylinder, drag ring is between damping cylinder and plunger tube.It is additionally provided with damping retaining ring on damping cylinder, is rubbed to
Ring gear is wiped in damping cylinder, damping retaining ring is screwed with damping cylinder.The damper mainly passes through plunger combination in damping cylinder
The frictional force for carrying out friction generation in reciprocatory movement with drag ring, realizes the purpose for reducing washing machine vibration.But work as column
When plug combination moves back and forth in damping cylinder, it is constant power that the frictional force that damper generates is unrelated with the amplitude of washing machine.
Therefore, which can not enhance the resistance according to the increase of piston in combination relative damping cylinder movement travel
The damping force that Buddhist nun's device generates, particularly with more violent vibration, damping effect is poor.
In addition, in the damper of CN201310034Y, mainly by the frictional force of plunger combination and drag ring friction generation
Carry out damping, after used a period of time, frictional force can due to drag ring abrasion and reduce, and then damper gradually loses
Effect causes the noise of washing machine and vibration increasing, influences 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 existing damper, damping force is not during the work time
The problems such as variable and drag ring abrasion 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；Throttling element is additionally provided in the first chamber, the throttling element is equipped with several damping holes, if described
A part in dry damping hole is in the sliding of the plunger opens/closes state, the first chamber and described second
Chamber communicates with each other by the damping hole in the open state.
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 axis of the axis of each damping hole and the pipe structure has
There is angle.
In the optimal technical scheme of above-mentioned damper, the angle is 90 degree.
In the optimal technical scheme of above-mentioned damper, the inner wall phase of the circumferential outer rim and the first chamber of the pedestal
Matching.
In the optimal technical scheme of above-mentioned damper, the liquid capsule is made by elastic material.
In the optimal technical scheme of above-mentioned damper, the sleeve has first in one end far from the first chamber
Fixed part and/or the plunger have the second fixed part, first fixed part in one end away from the second chamber
It is used to the damper being connected to external structure with second fixed part.
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 have 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.
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 it is variable, damper can be automatically adjusted according to the vibration frequency of washing machine, formed and shaken
The damping force to match, to reduce vibration and noise.
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 damper for roller washing machine of the invention.
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；13, throttling element；131, pedestal；132, pipe structure；133, damping hole；14, liquid capsule；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 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 second are provided in pipe structure
By injection hydraulic oil 4, when plunger 12 slides in the first chamber 112 of sleeve 11, several damping holes 133 in chamber 122
In a part of damping hole 133 be in and open/close state, hydraulic oil 4 can pass through damping hole 133 in the open state and exist
It is back and forth flowed 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 133 sections of damping hole are round and are axially set in pipe along pipe structure 132
The outer wall of structure 132, and the axis of damping hole 133 and the axis of pipe structure 132 have angle.It is further preferred that damping
Angle between the axis in hole 133 and the axis of pipe structure 132 is 90 °, that is, damping hole 133 is set perpendicular to pipe structure 132
It sets.Pedestal 131 matches in the inner wall of circumferential outer rim and first chamber 112, if first chamber 112 is cylindrical cavity, bottom
Seat 131 is cylindrical structure, and the cross-sectional diameter of cylindrical 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 force, as plunger 12 deviates the increase of the stroke of equilbrium position in sleeve 11,
Its elastic force being subject to also is increasing, and enhances the damping effect of damper 1.It more to be wanted, on the other hand, due in liquid capsule
It is provided with throttling element 13 in 14, and the pipe structure 132 of throttling element 13 is inserted into second chamber 122, therefore, is back and forth transported in plunger 12
In dynamic process, the number of damping hole 133 in the open state is changing at any time, and then the resistance generated by damping hole 133
Buddhist nun's power is also correspondingly changing, and further enhances the damping effect of damper 1.Further, since being arranged in first chamber 112
There is one end of liquid capsule 14 and liquid capsule 14 to be sealingly connected to plunger 12, therefore, is slided in plunger 12 relative to sleeve 11 is stated
In dynamic process, 4 meetings of hydraulic oil are flowed between liquid capsule 14 and second chamber 122, are avoided and are led since hydraulic oil 4 is revealed
The problem of damper 1 of cause fails.And pedestal 131 is in the setting side that the inner wall of circumferential outer rim and first chamber 112 matches
Formula also enables pedestal 131 to limit the horizontal position of pipe structure 132, so that the cunning between plunger 12 and throttling element 13
It is dynamic more smoothly and stable, it avoids since throttling element 13 is during the work time due to there is the appearance of the pipe structure 132 of throttling element 13
The case where damper 1 fails caused by biasing phenomenon.
In other words, compared to the existing damper of rotating drum washing machine for carrying out damping using frictional force, of the invention subtracts
Shake the damping force that device 1 generates and non-constant damping force, but the variable damping power changed with the amplitude of vibration, that is to say, that it washes
The amplitude of clothing machine vibration is bigger, the also bigger and of the invention damper of the damping force for resisting the vibration that damper 1 generates
1 can't be because of abrasion phenomena such as and the problem of cause damper 1 to fail after a period of operation, show to solve
There is the immutable problem of damping force in technology, substantially enhance the damping effect of damper, substantially improves user and use roller
Washing machine makes user experience.
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 damping hole 133 is used merely to explain
The principle of the present 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
Technical staff can also carry out any form of adjustment to above-mentioned set-up mode, to adapt to more specifical application.Example
Such as, the section of damping hole 133 can also be ellipse or rectangle；Pedestal 131 and pipe structure 132 can be consolidated by the way of being spirally connected
Fixed connection；Angle between the axis of damping hole 133 and the axis of pipe structure 132 can be any angle, such as damping hole 133
The angle of axis and the axis of pipe structure 132 in horizontal direction to the left is 45 °.
It is described briefly below with reference to working principle of the Fig. 3 to the damper 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, and is in and beats on throttling element 13
The damping hole 133 of open state is reduced, and hydraulic oil 4 is squeezed, and the inner cavity of liquid capsule 14 generates positive pressure, which keeps hydraulic oil 4 logical
It crosses damping hole 133 in the open state to flow to second chamber 122, hydraulic oil 4 is when flowing to second chamber 122 to plunger 12
Damping force to the right is generated, the movement of plunger 12 to the left is slowed down, plays the effect of damping；When 12 stress of plunger is slided to the right
When, the volume of second chamber 122 and liquid capsule 14 all becomes larger, and damping hole 133 in the open state increases on throttling element 13, hydraulic
Oil 4 is stretched, and the inner cavity of liquid capsule 14 generates negative pressure, which makes hydraulic oil 4 pass through the inner cavity that damping hole 133 enters liquid capsule 14
In, hydraulic oil 4 generates damping force to the left to plunger 12 when flowing to the inner cavity of liquid capsule 14, slows down the fortune of plunger 12 to the left
It is dynamic, play damping effect.
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, being additionally provided with throttling element in the first chamber, the throttling element is equipped with several damping holes, if described
A part in dry damping hole is in the sliding of the plunger opens/closes state, the first chamber and described second
Chamber communicates with each other by the damping hole in the open state.
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 4, which is characterized in that the axis of each damping hole and the pipe structure
Axis has angle.
6. damper according to claim 5, which is characterized in that the angle is 90 degree.
7. damper according to any one of claim 3 to 6, which is characterized in that the circumferential outer rim of the pedestal and institute
The inner wall for stating first chamber matches.
8. damper according to claim 2, which is characterized in that the liquid capsule is made by elastic material.
9. damper according to claim 1, which is characterized in that the sleeve has in one end far from the first chamber
Have the first fixed part and/or the plunger away from the second chamber one end have the second fixed part, described first
Fixed part and second fixed part are used to the damper being connected to external structure.
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 |
|---|---|---|---|
| CN201710662510.9A CN109385820B (en) | 2017-08-04 | 2017-08-04 | Damper for laundry treating apparatus and laundry treating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710662510.9A CN109385820B (en) | 2017-08-04 | 2017-08-04 | Damper for laundry treating apparatus and laundry treating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109385820A true CN109385820A (en) | 2019-02-26 |
| CN109385820B CN109385820B (en) | 2021-11-09 |
Family
ID=65413003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710662510.9A Active CN109385820B (en) | 2017-08-04 | 2017-08-04 | Damper for laundry treating apparatus and laundry treating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109385820B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663299A (en) * | 2019-03-06 | 2020-09-15 | 青岛海尔滚筒洗衣机有限公司 | Variable damping shock absorber and clothes treatment equipment |
| CN111691132A (en) * | 2019-03-12 | 2020-09-22 | 青岛海尔洗衣机有限公司 | Damper and laundry treating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0478273A2 (en) * | 1990-09-25 | 1992-04-01 | Bridgestone Corporation | Vibration damping device |
| CN102359529A (en) * | 2011-09-12 | 2012-02-22 | 吕再昌 | Piston type hydropneumatic buffer |
| 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 |
| US20150345585A1 (en) * | 2012-12-20 | 2015-12-03 | Gaudet Machine Works Inc. | Hydraulic damper |
| CN106564456A (en) * | 2015-10-09 | 2017-04-19 | 宝应县宝鸿汽配厂 | Hydraulic buffer type bumper |
-
2017
- 2017-08-04 CN CN201710662510.9A patent/CN109385820B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0478273A2 (en) * | 1990-09-25 | 1992-04-01 | Bridgestone Corporation | Vibration damping device |
| CN102359529A (en) * | 2011-09-12 | 2012-02-22 | 吕再昌 | Piston type hydropneumatic buffer |
| US20150345585A1 (en) * | 2012-12-20 | 2015-12-03 | Gaudet Machine Works Inc. | Hydraulic damper |
| 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111663299A (en) * | 2019-03-06 | 2020-09-15 | 青岛海尔滚筒洗衣机有限公司 | Variable damping shock absorber and clothes treatment equipment |
| CN111663299B (en) * | 2019-03-06 | 2022-08-02 | 青岛海尔洗涤电器有限公司 | Variable damping shock absorber and clothes treatment equipment |
| CN111691132A (en) * | 2019-03-12 | 2020-09-22 | 青岛海尔洗衣机有限公司 | Damper and laundry treating apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109385820B (en) | 2021-11-09 |
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Effective date of registration: 20211009 Address after: Room 221, Sino German Ecological Park Management Committee, 2877 Tuanjie Road, Huangdao District, Qingdao City, Shandong Province Applicant after: QINGDAO HAIER WASHING ELECTRIC APPLIANCES Co.,Ltd. Applicant after: Haier Zhijia Co.,Ltd. Address before: 266101 Haier Industrial Park, 1 Haier Road, Laoshan District, Shandong, Qingdao Applicant before: QINGDAO HAIER DRUM WASHING MACHINE Co.,Ltd. |
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