CN105465262B - A kind of damper and electric equipment - Google Patents
A kind of damper and electric equipment Download PDFInfo
- Publication number
- CN105465262B CN105465262B CN201610053412.0A CN201610053412A CN105465262B CN 105465262 B CN105465262 B CN 105465262B CN 201610053412 A CN201610053412 A CN 201610053412A CN 105465262 B CN105465262 B CN 105465262B
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- Prior art keywords
- damper
- piston rod
- main part
- slave
- chassis
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention is on a kind of damper and electric equipment.Damper, including：Main part and slave part, main part and slave part include piston rod and sleeve, and piston rod can be moved along slip expansion, and the stretching motion of piston rod is damped power；Main part and slave part connect and compose herringbone；The auxiliary set cylinder of the slave part is articulated with the master collet outer wall.A kind of electric equipment includes above-mentioned damper.Technical scheme improves the damping effect of damper, further reduces vibrations during equipment work.
Description
Technical field
The present invention relates to technical field of electrical equipment, more particularly to a kind of damper and electric equipment.
Background technology
The generally damping by the way of upper suspension spring and lower support damping shock absorber of current roller washing machine, its
Middle damping shock absorber is single piston linear motion mode, typically respectively places a damping shock absorber on washing machine both sides.Damping
Damper is mainly made up of sleeve 2, piston rod 3, and the built-in oil-containing damping material between sleeve 2 and piston rod 3, plays increasing
Plus viscous damping and sliding friction damping action, as shown in Figure 1.Existing damping shock absorber is by being hinged mouth 1 and laundry in figure
Machine is hinged by suspended portion, and be hinged mouth 4 by chassis is hinged with washing machine chassis.
Damping shock absorber is while support is by suspended portion (including roller), in addition it is also necessary to function as follows：Reduction is washed
Clothing machine is suppressed roller and is twisted mode around gyroaxis, so that reducing suspension is delivered to laundry by the Oscillation Amplitude of suspended portion
The active force on box body chassis, to prevent lower margin occurs in washing machine complete machine high speed drying process from " walking about " phenomenon and complete machine " toppling over "
Phenomenon, as shown in Figure 2.
The defect that existing roller washing machine is present has：First, by suspended portion be delivered to casing of washing machine chassis active force compared with
Greatly, damping shock absorber can not play good damping effect；2nd, under the operation of long-term top load, contain built in iterative cycles abrasion
Oil damping material can cause the damper damping performance sharp-decay；3rd, roller can not be suppressed well and twist mould around gyroaxis
State, it is a kind of principal oscillation mode shown in washing machine suspension system intrinsic frequency, vibrational energy height.
The content of the invention
In view of this, the present invention provides a kind of damper and electric equipment, and main purpose is the damping for improving damper
Effect, reduces vibrations during electric equipment work.
To reach above-mentioned purpose, present invention generally provides following technical scheme：
On the one hand, embodiments of the invention provide a kind of damper, including：
Main part and slave part, the main part and the slave part include piston rod and sleeve, described
Piston rod can be moved along the slip expansion, and the stretching motion of the piston rod is damped power；
The main part and the slave part connect and compose herringbone；The auxiliary set cylinder of the slave part is articulated with institute
State master collet outer wall.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Preferably, it is provided with damping material between the piston rod and sleeve.
Preferably, the damping material is oil-containing damping material.
Preferably, the auxiliary piston rod of the main piston rod of the main part and the slave part is respectively hinged at outside and set
On standby fixed part, the master collet of the main part and the motion parts of external equipment are hinged.
Preferably, the length of the slave part is less than the length of the main part, and the master collet afterbody is obliquely
Support the motion parts of the external equipment.
Preferably, the angle of the main part and the slave part is acute angle.
On the other hand, embodiments of the invention provide a kind of electric equipment, including：
Housing and the motion parts and fixed part being arranged in the housing；
At least two above-mentioned dampers；
The damper, which is hinged, to be installed between the motion parts and the fixed part.
The object of the invention to solve the technical problems can be also applied to the following technical measures to achieve further.
Preferably, the fixed part includes chassis, and piston rod one end and the chassis of the damper are hinged；
On the housing, sleeve one end of the damper is hinged on the motion parts for the motion parts suspension
Bottom.
Preferably, the damper is 2, and 2 dampers are respectively arranged in the relative both sides on the chassis, two
The incline direction of absorber main body part is opposite.
Preferably, the damper is 3, and 3 dampers are arranged on the chassis；
Wherein the first damper is provided separately within the one side on the chassis, and second, third damper is disposed in parallel in and institute
State the relative another side in the one side on chassis；
The incline direction phase of the main part of first damper and second, third damper being set up in parallel
To, and first damper is arranged on the perpendicular bisector of the line of second, third damper.
By above-mentioned technical proposal, a kind of damper and electric equipment of the invention at least have following advantages：
The technical scheme that the present invention is provided by setting the main part and the slave part, the main part and
The slave part includes piston rod and sleeve, and the piston rod can be moved along the slip expansion, and the piston rod
Stretching motion is damped power, due to being connected with the damper between the motion parts and the fixed part, therefore makes
Obtain when the vibrations produced during the motion parts motion are delivered to the fixed part and cut down.Meanwhile, further, due to
The main part and the slave part are articulated with outside the master collet into herringbone structure, the auxiliary set cylinder of the slave part
Wall so that the power that the slave part is subject to has component, a portion component and the master along orthogonal both direction
A part of component that body portion is subject to cancels each other, so that the motion parts for further reducing external equipment pass to fixed part
The active force divided, shock-absorbing main bodies part and damping slave part collective effect, add making for damper especially main part
With the life-span, delay the decay of damper damping performance, therefore improve the damping effect of damper, further reduce equipment work
Vibrations when making.
Preferably, the auxiliary piston rod of the main piston rod of the main part and the slave part is respectively hinged at outside and set
On standby fixed part, the master collet of the main part and the motion parts of external equipment are hinged fixation, applied to washing machine
When upper, reduced complete machine high speed drying process and occur that lower margin " walks about " phenomenon and complete machine " topples over " phenomenon.
Further, when damper provided in an embodiment of the present invention is installed on roller washing machine, it can suppress well
Roller twists mode around gyroaxis.
Further, damper provided in an embodiment of the present invention is easy for installation, and slave part uses articulated manner, not only pacifies
Fill it is simple and convenient, also in the absence of the space interference phenomenon with other interior arrangements.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is shock absorber structure schematic diagram of the prior art；
Fig. 2 is the mounting structure schematic diagram of damper of the prior art in a device；
Fig. 3 is a kind of structural representation for damper that one embodiment of the present of invention is provided；
Fig. 4 is a kind of force analysis diagram for damper that one embodiment of the present of invention is provided；
Fig. 5 is a kind of structural representation for electrical equipment that one embodiment of the present of invention is provided；
Fig. 6 is a kind of force analysis diagram one for electrical equipment that one embodiment of the present of invention is provided；
Fig. 7 is a kind of force analysis diagram two for electrical equipment that one embodiment of the present of invention is provided.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to embodiment, structure, feature and its effect according to the present patent application, are described in detail such as
Afterwards.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily same embodiment.In addition, one or more
Special characteristic, structure or feature in individual embodiment can be combined by any suitable form.
As shown in figure 3, a kind of damper that one embodiment of the present of invention is proposed, including main part 10 and slave part
20, the main part 10 and the slave part 20 include piston rod and sleeve, and the piston rod can be stretched along the sleeve
Contracting motion, and the stretching motion of the piston rod is damped power.The main part 10 and the connection structure of the slave part 20
Into herringbone, the auxiliary set cylinder 22 of the slave part 20 is articulated with the outer wall of master collet 12.
Preferably, the main piston rod 11 of the main part 10 and the auxiliary piston rod 21 of the slave part 20 are respectively articulated with
On the fixed part of external equipment, the motion parts of the master collet 12 and external equipment of the main part 10 are hinged.
The technical scheme that the present invention is provided by setting the main part and the slave part, the main part and
The slave part includes piston rod and sleeve, and the piston rod can be moved along the slip expansion, and the piston rod
Stretching motion is damped power, due to being connected with the damper between the motion parts and the fixed part, therefore makes
Obtain when the vibrations produced during the motion parts motion are delivered to the fixed part and cut down.Meanwhile, further, due to
The main part and the slave part are articulated with outside the master collet into herringbone structure, the auxiliary set cylinder of the slave part
Wall so that the power that the slave part is subject to has component, a portion component and the master along orthogonal both direction
A part of component that body portion is subject to cancels each other, so that the motion parts for further reducing external equipment pass to fixed part
The active force divided, therefore the damping effect of damper is improved, further reduce vibrations during equipment work.
Preferably, it is provided with damping material between the piston rod and sleeve.
Damping material can be gas, liquid or solid, can also be used in mixed way.Such as, can when damping material is gas
To use air damper；When damping material is liquid, hydraulic damper can be used；, can when damping material is solid
To use spring-damper.Preferably, the damping material is oil-containing damping material, to reduce frictional resistance.Preferably, oil-containing
Damping material is siliceous fatty oil cotton material, is placed between piston and loop bar, with viscous damping effect.
Preferably, it is described auxiliary when the main part 10 is air damper or hydraulic damper or spring-damper
It can also be air damper or hydraulic damper or spring-damper to help part 20.Below to these three damping shock absorbers one by one
It is briefly described.
The resisting medium of air damper is air, is a kind of damping device of utilization air viscosity, can overcome liquid
Some shortcomings of body viscous damping.Because the compressibility of air is larger, therefore larger displacement can be born.For liquid,
The viscosity of air is varied with temperature less, thus performance is relatively stable.
The structure of hydra-shock absorber is substantially similar with suction-type pump, and difference is the cylinder body upper end of hydraulic damper
It is closing, and aperture is left on the piston valve being connected with piston rod.It is interior when piston moves down relatively in inner cylinder tube
The oil of cylinder barrel intracavitary piston underside is flowed on the upside of piston by the aperture on piston valve.Meanwhile, this part oil is the bottom of also by
Aperture on portion's valve is flowed into the oil pocket between inside and outside cylinder barrel.Thus effectively decay impact load.When piston is relative
When cylinder barrel is moved up, the oil on the upside of inner cylinder tube piston flows to downside through the aperture on piston valve.Now when fluid flows through
During aperture, this creates the terminal preferable damping action, the purpose of damping can be served by very big resistance.
Damping spring damper is provided with spring between piston rod and sleeve, to shock absorbing load, realizes damping
Purpose.
Further, as shown in figure 3, the length of the slave part 20 is more preferably less than the length of the main part 10,
The master collet afterbody supports the motion parts of the external equipment obliquely.It should be noted that mentioned here described auxiliary
Help the length of part 20 to be less than the length of the main part 10, refer to the piston rod of the slave part and the main part
Length when stretching out or retract simultaneously simultaneously.When motion parts are in the top of the damper, the He of main part 10
The slave part 20 plays a supportive role simultaneously.
Preferably, as shown in figure 3, the slave part 20 and the angle of the main part 10 are acute angle.
During practical application, as shown in figure 4, hinged between master collet 12 and auxiliary set cylinder 22.The damper is entered
Row force analysis is as follows：F1 represents main part damping force (X, Y-direction component Fx1, Fy1) in figure, and F2 represents that slave part hinders
Buddhist nun's power (X, Y-direction component Fx2, Fy2), then vertical component make a concerted effort Fv=Fy1+Fy2, horizontal direction Fh=Fx1-Fx2 with joint efforts.Can
See, the power of main part 10 and slave part 20 in the horizontal direction can cancel each other a part, so as to reduce vibrations.
As shown in figure 5, an alternative embodiment of the invention provides a kind of electric equipment, including housing 100 and it is arranged on institute
State the motion parts 200 and fixed part 300 in housing 100, in addition at least two dampers 400.The damper 400
Sleeve one end be connected with the motion parts 200, piston rod one end of the damper 400 connects with the fixed part 300
Connect.
Wherein, the damper, including：
Main part and slave part, the main part and the slave part include piston rod and sleeve, described
Piston rod can be moved along the slip expansion, and the stretching motion of the piston rod is damped power；
The main part and the slave part connect and compose herringbone, and the auxiliary set cylinder of the slave part is articulated with institute
State master collet outer wall；
The damper, which is hinged, to be installed between the motion parts and the fixed part.
Preferably, the auxiliary piston rod of the main piston rod of the main part and the slave part is respectively hinged at outside and set
On standby fixed part, the master collet of the main part and the motion parts of external equipment are hinged.
The embodiment of the damper refers to the embodiment in above example, repeats no more here.
Further, as shown in figure 5, the fixed part 300 can include chassis 310, the piston of the damper 400
Bar one end is fixedly connected with the chassis 310.
The motion parts 200 are suspended on the housing 100, and sleeve one end of the damper 400 is connected to described
The bottom of motion parts 200.
Damper 400 can be two, be respectively arranged in the relative both sides on the chassis 310, two main bodys of damper 400
Partial incline direction is opposite.
Further, as shown in figure 5, the damper 400 can be 3, and 3 dampers 400 are respectively provided with
On the chassis 310.Wherein the first damper 410 is provided separately within the one side on the chassis 310, the He of the second damper 420
3rd damper 430 is disposed in parallel in the another side relative with the one side on the chassis 310.
First damper 410 and second damper 420, the main part of the 3rd damper 430 being set up in parallel
The incline direction divided is opposite.Preferably, first damper 410 is arranged on the damper of the second damper 420 and the 3rd
On the perpendicular bisector of 430 line.
During practical application, as shown in figure 5, hinged between master collet 12 and auxiliary set cylinder 22.Here with laundry drum
Illustrate concrete application exemplified by machine.The tail end of the master collet 12 and roller washing machine rotating cylinder outer barrel (i.e. motion parts 200)
It is hinged, the main piston rod 11 and auxiliary piston rod 21 are hinged with casing of washing machine chassis 310.During final assembly, first by described in 3
Damper 400 is installed on washing machine rotating cylinder, and then washing machine drum is suspended on housing 100.As shown in figure 5, institute
State the first damper 410 and be arranged on the left side of chassis 310, second damper 420 and the 3rd damper 430 are set up in parallel
On the right side of chassis 310.Force analysis is as follows：Single absorber main body part and slave part force analysis：F1 main parts hinder
Buddhist nun's power (X, Y-direction component Fx1, Fy1), F2 slave parts damping force (X, Y-direction component Fx2, Fy2), Fv=Fy1+Fy2, Fh
=Fx1-Fx2.Fv1 is the power for the vertical direction that the first damper 410 is subject to；Due to the second damper 420 and the 3rd damper
The power of 430 vertical direction being subject to is equal, therefore it is vertical with Fv2 to represent that the second damper 420 or the 3rd damper 430 are subject to
The power in direction.Fh1 represents the power for the horizontal direction that the first damper 410 is subject to.Due to the second damper 420 and the 3rd damper
The power of 430 horizontal directions being subject to is equal, and direction is identical, therefore represents with Fh2 the second damper 420 or the 3rd damper
The power of 430 horizontal directions being subject to.
As shown in Figure 6 and Figure 7, final assembly body force analysis is：The vertical resultant Fv that 3 dampers 400 are subject toAlways=
Fv1+2 × Fv2, FhAlways=2 × Fh2-Fh1.Complete machine is analyzed with bottom surface contact：Maximum static friction force FfAlways=μ × FvAlways, bottom
Portion contact position friction FhGround is total=FhAlways.There is clothing unbalance loading, that is, there is transient state in roller washing machine during drying
Centrifugal load, it is meant that when eccentric load moves to top or least significant end, have to the damper in suspension
Instantaneous acceleration load is acted on, and correspondingly load is transferred to casing link position by damper, causes complete machine support anti-
Power FvAlwaysIncrease.So as to maximum static friction force FfAlwaysIncrease, bottom contact position friction FhGround is totalReduce, reduce complete machine
High speed drying process occurs that lower margin " walks about " phenomenon and complete machine " topples over " phenomenon.
The technical scheme that the present invention is provided by setting the main part and the slave part, the main part and
The slave part includes piston rod and sleeve, and the piston rod can be moved along the slip expansion, and the piston rod
Stretching motion is damped power, due to being connected with the damper between the motion parts and the fixed part, therefore makes
Obtain when the vibrations produced during the motion parts motion are delivered to the fixed part and cut down.Meanwhile, further, due to
The main part and the slave part are articulated with outside the master collet into herringbone structure, the auxiliary set cylinder of the slave part
Wall so that the power that the slave part is subject to has component, a portion component and the master along orthogonal both direction
A part of component that body portion is subject to cancels each other, so that the motion parts for further reducing external equipment pass to fixed part
The active force divided, therefore the damping effect of damper is improved, further reduce vibrations during equipment work.
To sum up, it will be readily appreciated by those skilled in the art that on the premise of not conflicting, above-mentioned each advantageous manner can be certainly
Combined, be superimposed by ground.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, according to
Any simple modification, equivalent variations and the modification made according to the technical spirit of the present invention to above example, still fall within this hair
In the range of bright technical scheme.
Claims (10)
1. a kind of damper, it is characterised in that including：
Main part and slave part, the main part and the slave part include piston rod and sleeve, the piston
Bar can be moved along the slip expansion, and the stretching motion of the piston rod is damped power；
The main part and the slave part connect and compose herringbone；The auxiliary set cylinder of the slave part is articulated with master collet
Outer wall.
2. damper according to claim 1, it is characterised in that be provided with damping material between the piston rod and sleeve
Material.
3. damper according to claim 2, it is characterised in that the damping material is oil-containing damping material.
4. the damper according to claim any one of 1-3, it is characterised in that the main piston rod of the main part and institute
The auxiliary piston rod for stating slave part is respectively hinged on the fixed part of external equipment, master collet and the outside of the main part
The motion parts of equipment are hinged.
5. damper according to claim 4, it is characterised in that
The length of the slave part is less than the length of the main part, and the master collet afterbody supports the outside obliquely
The motion parts of equipment.
6. damper according to claim 5, it is characterised in that
The angle of the main part and the slave part is acute angle.
7. a kind of electric equipment, it is characterised in that including：
Housing and the motion parts and fixed part being arranged in the housing；
Damper described in any one of at least two the claims 1~6；
The damper, which is hinged, to be installed between the motion parts and the fixed part.
8. electric equipment according to claim 7, it is characterised in that
The fixed part includes chassis, and piston rod one end and the chassis of the damper are hinged；
On the housing, sleeve one end of the damper is hinged under the motion parts for the motion parts suspension
Portion.
9. electric equipment according to claim 8, it is characterised in that
The damper is 2, and 2 dampers are respectively arranged in the relative both sides on the chassis, two absorber main bodies
Partial incline direction is opposite.
10. electric equipment according to claim 8, it is characterised in that
The damper is 3, and 3 dampers are arranged on the chassis；
Wherein the first damper is provided separately within the one side on the chassis, and second, third damper is disposed in parallel in and the bottom
The relative another side in one side of disk；
The incline direction of the main part of first damper and second, third damper being set up in parallel is opposite, and
And first damper is arranged on the perpendicular bisector of the line of second, third damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053412.0A CN105465262B (en) | 2016-01-25 | 2016-01-25 | A kind of damper and electric equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053412.0A CN105465262B (en) | 2016-01-25 | 2016-01-25 | A kind of damper and electric equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105465262A CN105465262A (en) | 2016-04-06 |
| CN105465262B true CN105465262B (en) | 2017-10-31 |
Family
ID=55603285
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053412.0A Active CN105465262B (en) | 2016-01-25 | 2016-01-25 | A kind of damper and electric equipment |
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| Country | Link |
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| CN (1) | CN105465262B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106637803B (en) * | 2016-08-24 | 2020-03-27 | 海信（山东）冰箱有限公司 | Multi-drum washing machine |
| CN106637816B (en) * | 2016-08-24 | 2020-03-27 | 海信（山东）冰箱有限公司 | Three-drum washing machine |
| CN106637832B (en) * | 2016-08-24 | 2020-03-27 | 海信（山东）冰箱有限公司 | Water distribution system of multi-drum washing machine, control method of water distribution system and multi-drum washing machine |
| CN106637802B (en) * | 2016-08-24 | 2020-03-27 | 海信（山东）冰箱有限公司 | Three-drum washing machine |
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|---|---|---|---|---|
| CN1554542A (en) * | 2003-12-22 | 2004-12-15 | 安徽飞彩车辆股份有限公司 | Motor vehicle front wheel damper |
| CN1724752A (en) * | 2004-07-19 | 2006-01-25 | 乐金电子(天津)电器有限公司 | Hinge structure of laundry machine vibration absorber |
| JP2007020992A (en) * | 2005-07-20 | 2007-02-01 | Matsushita Electric Ind Co Ltd | Drum type washing machine |
| CN200971943Y (en) * | 2006-11-06 | 2007-11-07 | 刘文佐 | Improved tricycle vibration-damper |
| KR100777299B1 (en) * | 2006-06-09 | 2007-11-20 | 엘지전자 주식회사 | Washing or drying machine |
| CN205479091U (en) * | 2016-01-25 | 2016-08-17 | 珠海格力电器股份有限公司 | Bumper shock absorber and electrical equipment |
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2016
- 2016-01-25 CN CN201610053412.0A patent/CN105465262B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1554542A (en) * | 2003-12-22 | 2004-12-15 | 安徽飞彩车辆股份有限公司 | Motor vehicle front wheel damper |
| CN1724752A (en) * | 2004-07-19 | 2006-01-25 | 乐金电子(天津)电器有限公司 | Hinge structure of laundry machine vibration absorber |
| JP2007020992A (en) * | 2005-07-20 | 2007-02-01 | Matsushita Electric Ind Co Ltd | Drum type washing machine |
| KR100777299B1 (en) * | 2006-06-09 | 2007-11-20 | 엘지전자 주식회사 | Washing or drying machine |
| CN200971943Y (en) * | 2006-11-06 | 2007-11-07 | 刘文佐 | Improved tricycle vibration-damper |
| CN205479091U (en) * | 2016-01-25 | 2016-08-17 | 珠海格力电器股份有限公司 | Bumper shock absorber and electrical equipment |
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| Publication number | Publication date |
|---|---|
| CN105465262A (en) | 2016-04-06 |
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