CN109723623A - A kind of vibration absorber and the nitrogen oxygen segregation apparatus using it - Google Patents
A kind of vibration absorber and the nitrogen oxygen segregation apparatus using it Download PDFInfo
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- CN109723623A CN109723623A CN201811620780.4A CN201811620780A CN109723623A CN 109723623 A CN109723623 A CN 109723623A CN 201811620780 A CN201811620780 A CN 201811620780A CN 109723623 A CN109723623 A CN 109723623A
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- damped
- vibration absorber
- foot
- bracket
- foot pad
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- 239000006096 absorbing agent Substances 0.000 title claims abstract description 26
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000005204 segregation Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 210000003205 muscle Anatomy 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000001629 suppression Effects 0.000 abstract description 2
- 210000002683 foot Anatomy 0.000 description 37
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 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 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002640 oxygen therapy Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 235000004443 Ricinus communis Nutrition 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 208000008445 altitude sickness Diseases 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 208000023504 respiratory system disease Diseases 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 208000019553 vascular disease Diseases 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Compressor (AREA)
Abstract
The invention discloses a kind of vibration absorber and use its nitrogen oxygen segregation apparatus, the vibration absorber includes foot pad, spring, bracket, foot pad, spring and bracket three concatenate assembly connection in the lower section of mechanism to be damped, wherein foot pad upper end is inserted into the foot hole of mechanism to be damped, it is coated with spring inside foot pad and passes through bracket, suspension structure is formed, the mechanism to be damped is made to be in suspended state.Vibration absorber of the present invention is designed using special suspension structure, and effectiveness in vibration suppression is obvious, can effectively absorb and reduce the vibration of mechanism to be damped to reduce operation noise；The oxygen and nitrogen separation device of technical solution of the present invention is taken, maximum A weighted sound pressure level stationary value reaches 42dB or so after tested, and lower than oxygenerator on the market 8dB or so, noise reduction effect is clearly.Furthermore suspension structure of the invention design, is easily installed, simple for structure, improves assembly and maintenance efficiency.
Description
Technical field
The present invention relates to a kind of nitrogen oxygen segregation apparatus, and in particular to the vibration absorber in a kind of nitrogen oxygen segregation apparatus.
Background technique
Oxygen and nitrogen separation device is the device of a kind of nitrogen separated in air and oxygen, divides nitrogen making machine and oxygenerator, wherein
Oxygenerator is a kind of equipment that offer can breathe the high-concentration oxygen used for people.With the improvement of people ' s living standards and society
The progress of meeting, people have more cognitions to oxygenerator, and use demand is also increasing, and is widely used in hospital and family, also uses
In industries such as aquacultures.Oxygenerator supply with respiratory disease, disease of cardiovascular system, cranial vascular disease, altitude sickness and
The crowd of high altitude disease carries out oxygen therapy, for the crowds such as person in middle and old age weakling, overstrain one's nerves student and pregnant woman and anoxic ring
The crowd of Working Life under border keeps brains pure and fresh, and can eliminate fatigue, effectively because inhaling pure oxygen can promote blood circulation more
Promote working efficiency, therefore in daily life or workplace, has oxygenerator and used at any time with facilitating, be also good life
Mode living.
Currently, oxygen making set system structure in the market is more complicated, production assembly complexity, low efficiency, at high cost, noise
It is relatively high." 4.6 noise and vibrations, in normal use of professional standard " YY0732-2009 medical oxygen concentrator safety requirements "
Under the conditions of, 60dB ", oxygenerator on the market is not to be exceeded in the maximum A weighted sound pressure level (stationary value or peak value) of oxygen concentrator
Noise substantially all 50dB or so, when night is disposed within, noise when work can make one irritated, influence to sleep, serious shadow
Ring oxygen therapy effect, therefore reduce oxygenerator noise become improve product quality, enhance one's market competitiveness there is an urgent need to.
Noise and compressor when the noise source of oxygenerator mainly includes inflow noise, exhaust noise, switching Vavle switching are made an uproar
Sound mainly reduces noise using sound-absorbing porous material on oxygenerator at present, sound-absorbing material is fixed on the inner wall of airflow channel
It above or according to certain mode arranges in the duct, constitutes a kind of damping muffler, damp muffler to medium-high frequency erasure effect
It is good, it is poor to low frequency erasure effect.
Chinese patent ZL201120180708.1 discloses a kind of compressor set and oxygenerator that shockproof effect is good, by
Compressor and pedestal further include upper cover plate, the first rubber sheet gasket, spring, the second rubber sheet gasket, locating rod composition (as shown in figure 5,
The common fixing means of compressor, locating rod 25 pass through rubber pad B24,23 and of foot's spring from the hole on pedestal 26 in turn below
Rubber pad A22 is fixed to again in compressor foot 211, is clearance fit between locating rod 25 and the hole of pedestal 26, gap is greater than
The stroke that existing compressor 21 vibrates).Furthermore at present on the market there are also the compressor fixed form without upper cover plate, these are all
Assembly being produced by the way of locating rod, therefore still comparatively laborious, low efficiency, maintenance replacement compressor is also more troublesome, and
And effect of vibration and noise reduction is general.
Therefore, the contexture for how improveing oxygenerator compressor at present, make the overall package of compressor towards sophistication,
Simplicity direction strides forward, especially to low noise direction development more it is necessary to.
Summary of the invention
In order to overcome shortcoming and deficiency existing in the prior art, the purpose of the present invention is to provide a kind of vibration absorber,
The device forms and optimizes mechanism suspended form to be damped, improves assembly and maintenance efficiency, reduces noise.
The object of the invention is also to provide a kind of nitrogen oxygen segregation apparatus, which uses above-mentioned vibration absorber.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of vibration absorber, the vibration absorber include foot pad, spring and bracket, foot pad, spring and bracket three concatenation
Assembly connection is in the lower section of mechanism to be damped, and wherein foot pad upper end is inserted into the foot hole of mechanism to be damped, is coated with inside foot pad
The spring simultaneously passes through the bracket, forms suspension structure, the mechanism to be damped is made to be in suspended state.
Further, the foot pad include the top cap being successively arranged from top to bottom, groove, expand structure, column structure and
Protrusion, column structure extend inside the foot pad and according to its axis, and the end of column structure is equipped with the protrusion, described swollen
Ring chamber is equipped between big structure and column structure, the spring is set on the column structure and is connected to the ring chamber
It is interior.
Further, the foot hole is arranged on the foot of the mechanism to be damped, and the foot of mechanism to be damped is located to be damped
The down either side of mechanism.
Further, the foot of the mechanism to be damped includes sequentially connected extension, interconnecting piece and bending part, three's shape
At hole configurations, the as described foot hole, extension is fixedly connected with the mechanism body to be damped, and bending part is set in described recessed
In slot, bending part and groove Corresponding matching setting；Or the foot hole is to be arranged on the foot of the mechanism to be damped
Hollow hole.
Further, the foot of the mechanism to be damped is equipped with 4, i.e., every side of mechanism to be damped is equipped with 2 feet.
Further, the bracket is set as handle structure, and both ends are equipped with cavity and the protrusion is engaged by clamping.
Further, the foot pad, spring and bracket are set as the material of two or three of unlike material, to absorb and reduce
The vibrating noise of different frequency range.
A kind of nitrogen oxygen segregation apparatus, the shell of the nitrogen oxygen segregation apparatus be equipped with it is above-mentioned it is one of any described in one kind subtract
Vibrating device.
Further, it is equipped with the accommodating cavity of oxygen component processed in the shell of the nitrogen oxygen segregation apparatus, is equipped in accommodating cavity solid
Determine slot or fixing muscle, the vibration absorber is limited by the fixing groove or fixing muscle.
Further, the shell includes the first housing parts and the second housing parts, and the two assembly forms complete shell,
Corresponding matching is equipped with multiple partitions pair on first housing parts and the second housing parts, and multiple partitions are to being interconnected to form about one
There is the semiclosed chamber of opening, is equipped with the fixing groove or fixing muscle in the semiclosed chamber, the vibration absorber passes through institute
State fixing groove or fixing muscle limit.
The device have the advantages that as follows:
(1) vibration absorber of the invention is designed using special suspension structure, and effectiveness in vibration suppression is obvious, can effectively absorb
Vibration with reduction mechanism (such as compressor) to be damped is to reduce operation noise；
The oxygen and nitrogen separation device of technical solution of the present invention is taken, maximum A weighted sound pressure level stationary value reaches after tested
42dB or so, lower than oxygenerator on the market 8dB or so, noise reduction effect is clearly.
(2) the furthermore suspension structure design of vibration absorber of the invention, is easily installed, simple for structure, improves assembly and dimension
Repair efficiency.
Detailed description of the invention
Fig. 1 is compressor arrangement figure；
Fig. 2 is the compressor arrangement figure at another visual angle；
Fig. 3 is compressor suspension structure schematic diagram: (a) side view；(b) A-A cross-sectional view；(c) perspective view；
Fig. 4 is vibration damping compressor installation diagram in nitrogen oxygen segregation apparatus；
Fig. 5 is that the compressor referred in background technique often uses fixed form schematic diagram；
Wherein, the first housing parts of 11-；20- compressor；30- adsorption tower；The first castor of 1100-；1101- atomization joint；
1102- goes out oxygen connector；The first gas outlet 1107-；The first air inlet of 1108-；1109- partition 1；The first compressor bracket of 1110-
Fixing groove；1111- partition 2；1112- partition 3；1113- the second fan fixing groove；1118- partition 4；200- compresses under-chassis；
201- foot pad, 2011- top cap, 2012- groove, 2013- expand structure, 2014- column structure, 2015- protrusion；202- spring；
203- bracket；204- safety valve；205- compressor air outlet adapter；206- fan；207- pipeline 1；208- pipeline 2；209- pipeline
3；210- compressor inlet suction port；301- switching valve；303- air inlet gland；305- molecular sieve drum；308- pressure regulator valve；309- outlet
Gland；400- control panel；401- detection plate；402- display board；403- keypad；
The existing compressor of 21-；211- compressor foot；22- rubber pad A；23- foot spring；24- rubber pad B；25- is fixed
Position bar；26- pedestal.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.
The mechanism to be damped of the present embodiment is compressor 20, referring to figs. 1 to 4, the vibration absorber packet of the present embodiment
Foot pad 201, spring 202 and bracket 203 are included, foot pad 201, spring 202 and 203 three of bracket concatenate assembly connection in compressor 20
Lower section, wherein 201 upper end of foot pad insertion 20 two sides of compressor compression under-chassis 200 hole in, be coated with bullet inside foot pad 201
Spring 202 simultaneously passes through bracket 203, suspension structure is formed, so that compressor 20 is in suspended state, with the prior art (such as Fig. 5 institute
Show) it compares, structure is simple, assembly efficiency is high, also reduces the time of maintenance replacement compressor 20.
As shown in Figure 1 and Figure 2, compressor 20 is equipped with compressor air outlet adapter 205, compressor inlet suction port 210, connection
Pipeline (pipeline 1 207, pipeline 2 208, pipeline 3 209), safety valve 204, fan 206 and compression under-chassis 200.
Compressor air outlet adapter 205 is connected by the inlet suction port of adsorption tower in pipeline 1 207, pipeline 2 208 and oxygenerator
It connects.Compressor inlet suction port 210 is connected with the inlet air filtration pipe on oxygenerator shell.Fan 206 is located at the top of compressor 20.
Compression under-chassis 200 is located at the down either side of compressor 20.Preferred compression under-chassis 200 is equipped with 4, compressor 20
Every side is equipped with 2.Preferably, compression under-chassis 200 is fabricated with the integrated molding of compressor 20.
Compression under-chassis 200 is set as hook formation outstanding, hook formation include sequentially connected extension, interconnecting piece and
Bending part, extension, interconnecting piece and bending part three form hole configurations, as compress the hole of under-chassis 200, extension and pressure
Contracting machine is fixedly connected with (preferably be integrally formed be fabricated), and bending part is set in the upper end of above-mentioned foot pad 201, bending part and
2012 Corresponding matching of groove of 201 upper end of foot pad is arranged.
Or the hole of compression under-chassis 200 is the hollow hole that is arranged on the foot of compressor 20.
Foot pad 201 is set as " towel " font structure, and foot pad 201 includes the top cap 2011 being successively arranged from top to bottom, groove
2012, structure 2013, column structure 2014 and protrusion 2015 are expanded, column structure prolongs through 201 inside of foot pad and according to its axis
It stretches, the end of column structure is equipped with protrusion 2015, expands and is equipped with ring chamber, spring between structure 2013 and column structure 2014
202 are arranged on column structure and are connected in the ring chamber.Preferably, top cap 2011, groove 2012, expand structure 2013,
Column structure 2014 and protrusion 2015, which are integrally formed, to be fabricated.
Bracket 203 is set as the handle structure that both ends are in mellow and full shape, and both ends are equipped with cavity and the above-mentioned clamping of protrusion 2015 is matched
It closes.
Foot pad 201, spring 202 and bracket 203 are the material of two or three of unlike material (density), to absorb and reduce
The vibration of different frequency range, is effectively reduced noise when compressor 20 works.
Foot pad 201 is using the material for having certain elasticity and hardness, such as rubber.Spring 202 uses metal material, bracket 203
Using ABS plastic material.It is flexibly connected between foot pad 201 and compression under-chassis 200, passes through bullet between foot pad 201 and bracket 203
Spring 202 is flexibly connected.
Shell in nitrogen oxygen segregation apparatus includes the first housing parts 11 and the second housing parts, the first housing parts 11 and second point
Shell is located at the front and rear sides of shell, the symmetrical shape setting of the two, and two housing parts assembly form a complete shell
Internal after body, the first housing parts 11 and the second housing parts are assembled to form oxygen component accommodating cavity processed, all oxygen components processed are placed
In accommodating cavity inside housings.
Fan fixing groove, compressor bracket fixing groove is arranged in Corresponding matching inside first housing parts 11 and the second housing parts,
Due to the assembly of the first housing parts 11 and the second housing parts, between the fan fixing groove, compressor bracket fixing groove inside the two
Each self-forming position limiting structure can save installation components for limiting fan attachment 206, compressor bracket 203 in this way, and ten
It is convenient to divide, and good limit effect.
In the accommodating cavity of the setting of compressor 20 inside housings, fan corresponding to the fan 206 on compressor 20 is fixed
Compressor bracket fixing groove corresponding to bracket 203 below slot, compressor and accommodating cavity form multiple sides to compressor 20
To certain position-limiting action.
Particularly, the direction of the arrow K of fan 206 as shown in Figure 4 is inserted into the fan fixing groove of the first housing parts 11
In 1113, fan 206 is snapped into another fan fixing groove when assembling the second housing parts.Two foots pad 201 are set on bracket 203
With two springs 202, compressor 20 is lower to be arranged two brackets 203, and one end of each bracket 203 is inserted by the direction of Fig. 4 upward arrow K
To in compressor bracket fixing groove 1110, the other end of bracket 203 snaps into another compressor bracket when assembling the second housing parts
In fixing groove.
After first housing parts 11 and the assembly of the second housing parts, partition 1 1109, partition 2 on the first housing parts 11
1111, the partition of the respective Corresponding matching on partition 3 1112 and the second housing parts, which forms about one, has the chamber of opening (i.e.
Have the semiclosed chamber of opening up and down), compressor 20, which is assembled in this up and down, the semiclosed chamber of opening, should
Semiclosed chamber is all around and five, top faces the limit that compressor 20 has certain interval, supports below the semiclosed chamber
Bracket 203, so that compressor 20 is in suspended state, the effective vibration absorbed and reduce different frequency when compressor 20 works
It is dynamic, effectively reduce noise.
The foregoing is merely preference embodiments of the invention, are not intended to limit the scope of the present invention..Appoint
How within the spirit and principles in the present invention made any modifications, equivalent replacements, and improvements etc., should be included in of the invention
Within claims.
Claims (10)
1. a kind of vibration absorber, which is characterized in that the vibration absorber includes foot pad, spring and bracket, foot pad, spring and bracket
Three concatenates assembly connection in the lower section of mechanism to be damped, and wherein foot pad upper end is inserted into the foot hole of mechanism to be damped, in foot pad
Portion is coated with the spring and passes through the bracket, forms suspension structure, the mechanism to be damped is made to be in suspended state.
2. a kind of vibration absorber as described in claim 1, which is characterized in that the foot pad includes successively being arranged from top to bottom
Top cap, groove expand structure, column structure and protrusion, and column structure extends inside the foot pad and according to its axis, column
The end of structure is equipped with the protrusion, and described expand is equipped with ring chamber between structure and column structure, the spring is set in institute
It states on column structure and is connected in the ring chamber.
3. a kind of vibration absorber as claimed in claim 2, which is characterized in that the mechanism to be damped is arranged in the foot hole
On foot, the foot of mechanism to be damped is located at the down either side of mechanism to be damped.
4. a kind of vibration absorber as claimed in claim 3, which is characterized in that the foot of the mechanism to be damped includes being sequentially connected
Extension, interconnecting piece and bending part, three forms hole configurations, the as described foot hole, extension and the mechanism to be damped
Main body is fixedly connected, and bending part is arranged in the groove, bending part and groove Corresponding matching setting；Or the foot hole
Hollow hole on the foot of the mechanism to be damped is as set.
5. a kind of vibration absorber as claimed in claim 3, which is characterized in that the foot of the mechanism to be damped is equipped with 4, i.e., to
Every side of damper mechanism is equipped with 2 feet.
6. a kind of vibration absorber as claimed in claim 2, which is characterized in that the bracket is set as handle structure, and both ends are set
There are cavity and the protrusion to be engaged by clamping.
7. a kind of vibration absorber as described in claim 1-6 is one of any, which is characterized in that the foot pad, spring and bracket
It is set as the material of two or three of unlike material, to absorb and reduce the vibrating noise of different frequency range.
8. a kind of nitrogen oxygen segregation apparatus, which is characterized in that it is any that the shell of the nitrogen oxygen segregation apparatus is equipped with claim 1-7
One of described in a kind of vibration absorber.
9. a kind of nitrogen oxygen segregation apparatus as claimed in claim 8, which is characterized in that set in the shell of the nitrogen oxygen segregation apparatus
There is the accommodating cavity of oxygen component processed, fixing groove or fixing muscle is equipped in accommodating cavity, the vibration absorber is by the fixing groove or admittedly
Determine muscle limit.
10. a kind of nitrogen oxygen segregation apparatus as claimed in claim 9, which is characterized in that the shell include the first housing parts and
Second housing parts, the two assembly form complete shell, on the first housing parts and the second housing parts Corresponding matching be equipped with it is multiple every
Plate pair, multiple partitions are equipped with institute in the semiclosed chamber to about the one semiclosed chamber for having opening is interconnected to form
Fixing groove or fixing muscle are stated, the vibration absorber is limited by the fixing groove or fixing muscle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620780.4A CN109723623B (en) | 2018-12-28 | 2018-12-28 | Vibration damper and nitrogen-oxygen separation device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620780.4A CN109723623B (en) | 2018-12-28 | 2018-12-28 | Vibration damper and nitrogen-oxygen separation device using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109723623A true CN109723623A (en) | 2019-05-07 |
| CN109723623B CN109723623B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811620780.4A Active CN109723623B (en) | 2018-12-28 | 2018-12-28 | Vibration damper and nitrogen-oxygen separation device using same |
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| CN105275781A (en) * | 2015-03-06 | 2016-01-27 | 合肥美的电冰箱有限公司 | Fixing structure of compressor and refrigerator with fixing structure |
| CN204647103U (en) * | 2015-04-23 | 2015-09-16 | 诸暨市诚翔机械有限公司 | A kind of coil tension spring device |
| CN204716850U (en) * | 2015-06-11 | 2015-10-21 | 西安航空制动科技有限公司 | A kind of relief spring pre-tightening apparatus |
| CN205096031U (en) * | 2015-10-15 | 2016-03-23 | 江苏鱼跃信息系统有限公司 | Hush air atomizer |
| CN106051011A (en) * | 2016-07-14 | 2016-10-26 | 柳州长虹机器制造公司 | Brake master cylinder spring assembly and assembling method thereof |
| CN206072187U (en) * | 2016-08-31 | 2017-04-05 | 江苏朗域电力科技有限公司 | A kind of damping device of scalable compression |
| CN108085928A (en) * | 2016-11-22 | 2018-05-29 | 苏州三星电子有限公司 | A kind of buffer gear of washing machine sunpender and washing machine sunpender |
| CN107035652A (en) * | 2016-12-02 | 2017-08-11 | 青岛海尔股份有限公司 | It is evacuated pump group part and refrigerating device |
| CN206723151U (en) * | 2017-01-19 | 2017-12-08 | 长沙博格泵业机械有限公司 | A kind of modified form damping water pump |
| CN210106096U (en) * | 2018-12-28 | 2020-02-21 | 江苏鱼跃医疗设备股份有限公司 | Vibration damper and nitrogen-oxygen separation device using same |
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| CN109723623B (en) | 2024-05-28 |
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