CN105781942B - Compressor and its cylinder assembly - Google Patents
Compressor and its cylinder assembly Download PDFInfo
- Publication number
- CN105781942B CN105781942B CN201410821197.5A CN201410821197A CN105781942B CN 105781942 B CN105781942 B CN 105781942B CN 201410821197 A CN201410821197 A CN 201410821197A CN 105781942 B CN105781942 B CN 105781942B
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- piston
- cylinder
- spring
- resonant springs
- cylinder assembly
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- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 208000006011 Stroke Diseases 0.000 description 25
- 238000000034 method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention discloses a kind of cylinder assemblies, one end of its piston is provided with resonant springs component, the other end of piston is provided with cylinder cover component, resonant springs component includes being axially disposed at the spring retaining plate of close piston one side and is axially disposed at the spring support away from piston one side, several resonant springs are arranged in parallel between spring retaining plate and spring support, the axis of resonant springs is parallel with the axis of piston；The test pin for coaxially inserting and being adapted to resonant springs is provided on spring support, be provided on spring retaining plate it is coaxial be plugged in resonant springs and with the matched detection spring of test pin；It is additionally provided on cylinder body and the matched controller of motor.The cylinder assembly can avoid the air cylinder head structure caused by piston slap cylinder head from damaging, and reduce the clearance volume between the counterparts such as piston and cylinder head.The invention also discloses a kind of compressors using above-mentioned cylinder assembly.
Description
Technical field
The present invention relates to compressor corollary equipment technical field, more particularly to a kind of cylinder assembly.The invention further relates to one
Kind applies the compressor of the cylinder assembly.
Background technology
In the reciprocating compressor by linear motor driving existing at present, piston is in cylinder compared with cylinder head along axis
Line moves reciprocatingly, the end of cylinder is equipped with cylinder head, has suction, air bleeding valve to control the air-breathing of compressor and row in cylinder head
Gas.
Piston is fixed with being equipped with the electric mover of magnet, and the mechanical spring with providing reciprocating force forms resonant component,
So as to which piston moves back and forth under the alternating magnetic field of motor.In this way, piston just can to by the gas that inlet valve sucks into
Row compression, the high-pressure side until system can be entered by air bleeding valve by compressed gas.
When system condition variation or larger admission pressure fluctuation, the displacement of resonant component may exceed the safety allowed
Value so that piston tip bumps against cylinder head, so as to generate damage to compressor.
The phenomenon that may generating shock to cylinder head for above-mentioned piston, the patent document of Patent No. CN00807564.6
A kind of reciprocating compressor with linear motor is disclosed, piston slap cylinder head can be prevented by providing one kind in technical solution
Method, but this method is to generate sufficiently large additional reaction force, must be unfavorable there are larger clearance volume
In the raising of compressor efficiency；And when piston is more than setting end of travel and starts the gas in compression clearance volume,
Additional heat can be generated, so as to increase piston expansion process stroke, reduces the soakage of gas, is caused to the normal operation of cylinder
Adverse effect.
Therefore, the air cylinder head structure caused by piston slap cylinder head how to be avoided to damage, and reduces piston and cylinder
Clearance volume between the counterparts such as lid is that those skilled in the art need the important technological problems solved at present.
The content of the invention
The object of the present invention is to provide a kind of cylinder assembly, which can avoid leading due to piston slap cylinder head
The air cylinder head structure damage of cause, and reduce the clearance volume between the counterparts such as piston and cylinder head.It is another object of the present invention to
A kind of compressor using above-mentioned cylinder assembly is provided.
In order to solve the above technical problems, the present invention provides a kind of cylinder assembly, including cylinder body and motor, set in the cylinder body
Have and the matched piston of the mover of motor, one end of the piston are provided with resonant springs component, the other end of the piston
Cylinder cover component is provided with, the resonant springs component includes being axially disposed at the spring retaining plate close to piston one side and edge
The spring support away from piston one side is axially set in, is arranged in parallel between the spring retaining plate and the spring support
There are several resonant springs, the axis of the resonant springs is parallel with the axis of the piston；
It is provided on the spring support and coaxially inserts the test pin being adapted to the resonant springs, the spring is fixed
Be provided on plate be coaxially plugged in the resonant springs and with the matched detection spring of the test pin；
It is additionally provided on the cylinder body and the matched controller of the motor.
Preferably, the cylinder cover component includes being axially disposed at the cylinder frame of close piston one side and be axially disposed at
Valve deck away from piston one side, valve plate is provided between the cylinder frame and the valve deck；
The outer edge portion of the valve deck is circumferentially arranged have several axial directions along the piston sequentially pass through the valve deck and
The valve plate and with the screw of the cylinder frame screw threads for fastening, coaxial sleeve is equipped with floating spring on the outer circumferential surface of the screw, and institute
State the fit clearance having between the nut inner face of screw and the outer end face of the valve deck for floating spring compression.
Preferably, there are several locating slots being coaxially adapted to the floating spring on the outer end face of the valve deck, it is described
Floating spring is located between nut inner face and the locating slot of the screw.
Preferably, it is provided with spring bumper cover on the outside of the spring support.
The present invention also provides a kind of compressors, and including body, cylinder assembly, the cylinder assembly are provided in the body
Specially such as cylinder assembly described in any one of the above embodiments.
Relatively above-mentioned background technology, cylinder assembly provided by the present invention, in compressor operation, when piston exists
When doing axially reciprocating under electric mover effect, if piston stroke reaches certain position, test pin is made to occur with detection spring
During contact, the motor can detect the resistance fed back by detection spring, and from motor to controller feedback signal, control afterwards
Device sends control signal to work packages such as motors, continues to increase to avoid the axial stroke of piston, so as to avoid because piston into
One step is implemented to be in contact between piston and cylinder cover component caused by stroke, and then avoids leading due to piston is contacted with cylinder cover component
The cylinder cover component damage phenomenon of cause, the cylinder assembly adjusts piston stroke by controller and its detection signal, to avoid work
Plug stroke excessively causes cylinder cover component to damage, adjustment control process without retain between piston and cylinder cover component it is larger more than
Gap volume, and it is relatively simple effectively to adjust control process.
In another preferred embodiment of the present invention, the cylinder cover component includes being axially disposed at the cylinder close to piston one side
Frame and the valve deck for being axially disposed at separate piston one side, valve plate is provided between the cylinder frame and the valve deck；The valve
The outer edge portion of lid is circumferentially arranged have several axial directions along the piston sequentially pass through the valve deck and the valve plate and with institute
The screw of cylinder frame screw threads for fastening is stated, coaxial sleeve is equipped with floating spring on the outer circumferential surface of the screw, and in the nut of the screw
There is the fit clearance for floating spring compression between the outer end face of end face and the valve deck.When controller could not be to piston row
Cheng Jinhang is effectively controlled, so that its stroke does not reduce in time after piston reaches dangerous stroke, piston tip is caused to be hit
When having arrived cylinder head, the fit clearance and floating spring can provide enough bufferings for the piston after contact and cylinder cover component
Stroke and cushion effect, and the rigid contact between piston and cylinder cover component is become into flexible contact, so as to avoid leading because of rigid contact
The cylinder cover component of cause and its damage phenomenon of associated component.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
The assembling structure schematic diagram for the cylinder assembly that Fig. 1 is provided for a kind of specific embodiment of the present invention；
Fig. 2 is the partial structurtes enlarged diagram of resonant springs components in Fig. 1；
Fig. 3 is the partial structurtes enlarged diagram of cylinder cover component part in Fig. 1.
Specific embodiment
The core of the present invention is to provide a kind of cylinder assembly, which can avoid leading due to piston slap cylinder head
The air cylinder head structure damage of cause, and reduce the clearance volume between the counterparts such as piston and cylinder head；Meanwhile it provides in a kind of application
State the compressor of cylinder assembly.
In order to which those skilled in the art is made to more fully understand the present invention program, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
It please refers to Fig.1, the assembling for the cylinder assembly that Fig. 2 and Fig. 3, Fig. 1 are provided for a kind of specific embodiment of the present invention
Structure diagram；Fig. 2 is the partial structurtes enlarged diagram of resonant springs components in Fig. 1；Fig. 3 is cylinder cover component in Fig. 1
Partial partial structurtes enlarged diagram.
In a specific embodiment, cylinder assembly provided by the present invention including cylinder body and motor, is equipped with and electricity in cylinder body
The 11 matched piston 12 of mover of machine, one end of piston 12 are provided with resonant springs component, and the other end of piston 12 is provided with
Cylinder cover component, resonant springs component include being axially disposed at the spring retaining plate 21 of close 12 one side of piston and set vertically
The spring support 22 of 12 one side of piston is disposed away from, is arranged in parallel between spring retaining plate 21 and spring support 22 several
Resonant springs 23, the axis of resonant springs 23 are parallel with the axis of piston 12；It is provided on spring support 22 and resonance bullet
The test pin 24 of the coaxial inserting adaptation of spring 23, be provided on spring retaining plate 21 it is coaxial be plugged in resonant springs 23 and with detection
24 matched detection spring 25 of pin；It is additionally provided on cylinder body and the matched controller (not shown) of motor.
In compressor operation, when piston 12 does axially reciprocating under the effect of electric mover 11, if piston
12 strokes reach certain position, and when being in contact test pin 24 and detection spring 25, motor can be detected by detection spring 25
The resistance of feedback, and from motor to controller feedback signal, controller sends control signal to work packages such as motors afterwards, with
The axial stroke of piston 12 is avoided to continue to increase, so as to avoid piston 12 and cylinder caused by piston 12 further implements stroke
It is in contact between cap assemblies, and then the cylinder cover component caused by piston 12 is contacted with cylinder cover component is avoided to damage phenomenon, the gas
Cylinder assembly adjusts piston stroke by controller and its detection signal, excessively cylinder cover component is caused to damage to avoid piston stroke
It is bad, adjustment control process without retain larger clearance volume between piston 12 and cylinder cover component, and adjust control process compared with
To be simple and effective.
Further, cylinder cover component includes being axially disposed at close to the cylinder frame 31 of 12 one side of piston and axially disposed
In the valve deck 32 away from 12 one side of piston, valve plate 33 is provided between cylinder frame 31 and valve deck 32；The outer edge portion of valve deck 32 is along week
To be provided with several axial directions along piston 12 sequentially pass through valve deck 32 and valve plate 33 and with the screw 34 of 31 screw threads for fastening of cylinder frame,
Coaxial sleeve is equipped with floating spring 35 on the outer circumferential surface of screw 34, and between the nut inner face of screw 34 and the outer end face of valve deck 32
With the fit clearance 36 compressed for floating spring 35.When controller could not effectively control piston stroke, so as to
Make piston 12 reach dangerous stroke after its stroke do not reduce in time, when causing 12 top of piston to have struck cylinder head, between cooperation
Gap 36 and floating spring 35 can provide enough cushion strokes and cushion effect for the piston 12 after contact and cylinder cover component, and
Rigid contact between piston 12 and cylinder cover component is become into flexible contact, so as to avoid the cylinder cover component caused by rigid contact and
The damage phenomenon of its associated component.
It should be pointed out that when above-mentioned piston 12 is into the cushion stroke stage formed by fit clearance 36, detection spring 25
Also it is rigid contact with test pin 24, and as piston 12 continues stroke, detection spring 25 is detected pin 24 and applies active force simultaneously
Moderate compression, but in practical set operational process, the length of fit clearance 36 and the compression travel of floating spring 35 should be made
The slightly longer than compression travel of detection spring 25, in order to avoid due to deformation is excessive detection spring 25 is caused to fail or damage.
More specifically, having several locating slots 321 being coaxially adapted to floating spring 35 on the outer end face of valve deck 32, float
Spring 35 is located between the nut inner face of screw 34 and locating slot 321.The locating slot 321 can be reliably fixed by floating spring 35
At the outer circumferential surface of screw 34, so as not to floating spring 35 compress or reseting procedure in generate dislocation or phenomena such as unbalance stress,
So as to ensure that the operational process of the cylinder assembly is more steady reliable.
On the other hand, the outside of spring support 22 is provided with spring bumper cover 26.The spring bumper cover 26 it is possible to prevente effectively from
External environment has a negative impact to the normal work of the cylinder interiors component such as resonant springs 23, so as to further improve the gas
The operational reliability of cylinder assembly.
In a specific embodiment, it is total to be provided with cylinder including body, in the body for compressor provided by the present invention
Into the cylinder assembly is specially the cylinder assembly as described in each embodiment above.The cylinder assembly of the compressor can be kept away
Exempt from the air cylinder head structure caused by piston slap cylinder head to damage, and reduce the appearance of the clearance between the counterparts such as piston and cylinder head
Product.
In summary, the cylinder assembly provided in the present invention including cylinder body and motor, is equipped with and motor in the cylinder body
The matched piston of mover, one end of the piston are provided with resonant springs component, and the other end of the piston is provided with cylinder cap
Component, the resonant springs component include being axially disposed at the spring retaining plate of close piston one side and be axially disposed at
Spring support away from piston one side, is arranged in parallel with several resonance between the spring retaining plate and the spring support
Spring, the axis of the resonant springs are parallel with the axis of the piston；Be provided on the spring support with it is described humorous
The spring that shakes coaxially inserts the test pin of adaptation, be provided on the spring retaining plate be coaxially plugged in the resonant springs and with
The matched detection spring of test pin；It is additionally provided on the cylinder body and the matched controller of the motor.It is compressing
In the machine course of work, when piston does axially reciprocating under electric mover effect, if piston stroke reaches certain position, make
When test pin and detection spring are in contact, the motor can detect the resistance fed back by detection spring, and from motor to control
Device feedback signal processed, afterwards controller send control signal to work packages such as motors, to avoid piston axial stroke continue
Increase, so as to avoid being in contact caused by piston further implements stroke between piston and cylinder cover component, and then avoid because
Cylinder cover component damages phenomenon caused by piston is contacted with cylinder cover component, and the cylinder assembly passes through controller and its detection signal
Adjust piston stroke, excessively cylinder cover component caused to damage to avoid piston stroke, adjustment control process without piston with
Retain larger clearance volume between cylinder cover component, and it is relatively simple effectively to adjust control process.
In addition, the compressor provided by the present invention using above-mentioned cylinder assembly, cylinder assembly can be avoided because of piston
Air cylinder head structure damages caused by hitting cylinder head, and reduces the clearance volume between the counterparts such as piston and cylinder head.
It is described in detail above to cylinder assembly provided by the present invention and using the compressor of the cylinder assembly.
Specific case used herein is set forth the principle of the present invention and embodiment, and the explanation of above example is simply used
Understand the method and its core concept of the present invention in help.It should be pointed out that for those skilled in the art,
Without departing from the principle of the present invention, can also to the present invention some improvement and modification can also be carried out, these improvement and modification
It falls into the protection domain of the claims in the present invention.
Claims (5)
1. a kind of cylinder assembly is equipped with the matched piston of mover with motor including cylinder body and motor, in the cylinder body, described
One end of piston is provided with resonant springs component, and the other end of the piston is provided with cylinder cover component, it is characterised in that：It is described humorous
The spring assembly that shakes includes being axially disposed at the spring retaining plate of close piston one side and be axially disposed at away from piston one
The spring support of side is arranged in parallel with several resonant springs between the spring retaining plate and the spring support, described
The axis of resonant springs is parallel with the axis of the piston；
It is provided on the spring support and coaxially inserts the test pin being adapted to the resonant springs, on the spring retaining plate
Be provided with coaxially be plugged in the resonant springs and with the matched detection spring of the test pin；
It is additionally provided on the cylinder body and the matched controller of the motor.
2. cylinder assembly as described in claim 1, it is characterised in that：The cylinder cover component includes being axially disposed at close to work
It fills in the cylinder frame of one side and is axially disposed at the valve deck away from piston one side, valve is provided between the cylinder frame and the valve deck
Plate；
The outer edge portion of the valve deck is circumferentially arranged to have several axial directions along the piston to sequentially pass through the valve deck and described
Valve plate and with the screw of the cylinder frame screw threads for fastening, coaxial sleeve is equipped with floating spring on the outer circumferential surface of the screw, and the spiral shell
There is the fit clearance for floating spring compression between the nut inner face of nail and the outer end face of the valve deck.
3. cylinder assembly as claimed in claim 2, it is characterised in that：Have on the outer end face of the valve deck several and described floating
The locating slot that spring of moving coaxially is adapted to, the floating spring are located between nut inner face and the locating slot of the screw.
4. cylinder assembly as described in claim 1, it is characterised in that：Spring cup is provided on the outside of the spring support
Plate.
5. including body, cylinder assembly is provided in the body for a kind of compressor, it is characterised in that：The cylinder assembly tool
Body is cylinder assembly according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821197.5A CN105781942B (en) | 2014-12-24 | 2014-12-24 | Compressor and its cylinder assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410821197.5A CN105781942B (en) | 2014-12-24 | 2014-12-24 | Compressor and its cylinder assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105781942A CN105781942A (en) | 2016-07-20 |
| CN105781942B true CN105781942B (en) | 2018-05-18 |
Family
ID=56377125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410821197.5A Active CN105781942B (en) | 2014-12-24 | 2014-12-24 | Compressor and its cylinder assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105781942B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354185A (en) * | 1992-10-05 | 1994-10-11 | Aura Systems, Inc. | Electromagnetically actuated reciprocating compressor driver |
| CN1458416A (en) * | 2002-05-17 | 2003-11-26 | 乐金电子(天津)电器有限公司 | Piston initial position regulator for reciprocating movement compressor |
| CN1465863A (en) * | 2002-06-17 | 2004-01-07 | 三星电子株式会社 | Device and method for controlling reciprocative compressor |
| CN1621688A (en) * | 2003-11-26 | 2005-06-01 | Lg电子株式会社 | Apparatus and method for controlling operation of reciprocating compressor |
| CN204386843U (en) * | 2014-12-24 | 2015-06-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and cylinder assembly thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100386275B1 (en) * | 2001-03-28 | 2003-06-02 | 엘지전자 주식회사 | Structure for supporting spring of reciprocating compressor |
-
2014
- 2014-12-24 CN CN201410821197.5A patent/CN105781942B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354185A (en) * | 1992-10-05 | 1994-10-11 | Aura Systems, Inc. | Electromagnetically actuated reciprocating compressor driver |
| CN1458416A (en) * | 2002-05-17 | 2003-11-26 | 乐金电子(天津)电器有限公司 | Piston initial position regulator for reciprocating movement compressor |
| CN1465863A (en) * | 2002-06-17 | 2004-01-07 | 三星电子株式会社 | Device and method for controlling reciprocative compressor |
| CN1621688A (en) * | 2003-11-26 | 2005-06-01 | Lg电子株式会社 | Apparatus and method for controlling operation of reciprocating compressor |
| CN204386843U (en) * | 2014-12-24 | 2015-06-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and cylinder assembly thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105781942A (en) | 2016-07-20 |
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Effective date of registration: 20181122 Address after: 519000 Qianshan Golden Chicken West Road in Zhuhai, Guangdong Co-patentee after: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI Patentee after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Address before: 519070 science and technology building, 789 Jinji Road, Qianshan, Zhuhai, Guangdong Patentee before: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI |