CN105805201B - Flat spring, elastic bearing and compressor - Google Patents
Flat spring, elastic bearing and compressor Download PDFInfo
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- CN105805201B CN105805201B CN201410841616.1A CN201410841616A CN105805201B CN 105805201 B CN105805201 B CN 105805201B CN 201410841616 A CN201410841616 A CN 201410841616A CN 105805201 B CN105805201 B CN 105805201B
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- flat spring
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- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 238000004378 air conditioning Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000003434 inspiratory effect Effects 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The invention discloses a kind of flat spring, the elastic bearing of the flat spring is set and the compressor of the elastic bearing is set, be related to air-conditioning technical field.Prior art can not ensure the technical problem also while the elastic bearing of piston axial direction with preferable radial support effect.The flat spring includes the first elastic arm and the second elastic arm, and the gap between the outer rim in the inner outer rim of the inner edge of the first elastic arm and the second elastic arm or at least part region of the inner is more than the gap between the outer rim of the other parts outside the inner edge of the first elastic arm and the inner of the second elastic arm；Gap between the inner outer rim of the inner edge of second elastic arm and the first elastic arm or the outer rim at least part region of the inner is more than the gap between the outer rim of the other parts outside the inner edge of the second elastic arm and the inner of the first elastic arm.The elastic bearing and compressor include above-mentioned flat spring.The present invention is used to ensure also there is preferable radial support effect while the elastic bearing of piston axial direction.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of flat spring, set the flat spring elastic bearing and
The compressor of the elastic bearing is set.
Background technology
Compressor is the visual plant in air conditioner, and it is used for the equipment of compressed air, refrigerant or other working medium.
A kind of Linearkompressor using two kinds of different molded line plate spring supporting systems, the compressor in the prior art be present
Form is different from the linear compressor that air-conditioning uses.The equivalent mass of the flat spring of the compressor is excessive, it is difficult to meets that air-conditioning is straight
The high-frequency of wire compression machine, the demand of low tuned mass.
Prior art additionally provides the swirl arm flat spring and linear arm flat spring and vortex that can be used in compressor
Arm flat spring, but following defect all be present in above-mentioned swirl arm flat spring：
1st, the equivalent mass of flat spring is excessive, to meet rigidity and intrinsic frequency requirement, can increase parts quality；
2nd, the flat spring linear working range of small outside diameter structure is small, i.e., in order to obtain big linear working range, flat spring
Structure external diameter needs to increase design.
Side force caused by prior art additionally provides a kind of resonator system, but spring force is uneven in the resonator system,
The abrasion so that piston and cylinder note abnormalities, and structure is yielding in moving parts.
Also there is a kind of compressor in prior art, its inspiratory resistance is excessive, and model machine performance is difficult to embody linear compressor
Performance advantage.
In summary, applicants have discovered that：Following technical problem at least be present in prior art：
Prior art can not ensure the ideal technology of the effect of piston axial direction elastic bearing and radial support simultaneously
Problem.
The content of the invention
The wherein a piece of purpose of the present invention is to propose a kind of flat spring, set the elastic bearing of the flat spring and set and be somebody's turn to do
The compressor of elastic bearing, prior art can not ensure that the effect of piston axial direction elastic bearing and radial support is more managed simultaneously
The technical problem thought.
Many technique effects (equivalent fortune that optimal technical scheme in many technical schemes provided by the invention can be generated
Kinoplaszm amount is small, inspiratory resistance loss is small, compressor efficiency is high) elaboration as detailed below.
To achieve the above object, the invention provides following technical scheme：
Flat spring provided in an embodiment of the present invention, including the first elastic arm and the second elastic arm, first elastic arm
The contour line of inner edge respective with second elastic arm and outer rim is formed by connecting by camber line, and first elastic arm is interior
End is fixedly connected with the inner of second elastic arm or is integral type structure；
First elastic arm is wound mutually with second elastic arm around same centrally along circumferential direction, and described first
Between the outer rim of the inner edge of elastic arm and second elastic arm and the outer rim of first elastic arm with described second elasticity
Gap be present between the inner edge of arm；
Inner outer rim or inner at least part region of the inner edge of first elastic arm with second elastic arm
Outer rim between the gap inner edge and second elastic arm that are more than first elastic arm the inner outside other parts
Outer rim between gap；
Inner outer rim or inner at least part region of the inner edge of second elastic arm with first elastic arm
Outer rim between the gap inner edge and first elastic arm that are more than second elastic arm the inner outside other parts
Outer rim between gap；
First elastic arm and the respective width dimensions of second elastic arm or the width in respective at least part region
Degree size gradually increases along the direction away from the center.
In preferably or alternatively implementing, first elastic arm and second elastic arm are symmetrical around mutual centre.
In preferably or alternatively implementing, first elastic arm and the respective inner edge of second elastic arm and outer rim
Contour line is formed by connecting by least two tangent camber lines.
In preferably or alternatively implementing, the bar number of the camber line is 2~12.
In preferably or alternatively implementing, the inner and inner connection of second elastic arm of first elastic arm
Region is provided with air entry.
In preferably or alternatively implementing, inner and second bullet of first elastic arm around the air entry
The inner and inner company of second elastic arm of first elastic arm on the inner of property arm or around the air entry
Connect and assembling pilot hole and moving component connecting hole are provided with region, the outer end of first elastic arm and the described second elasticity
The outer end of arm is each provided with stationary parts connecting hole.
Elastic bearing provided in an embodiment of the present invention, including the flat spring that any technical scheme of the present invention provides, the plate
The number of spring is at least two panels, and all flat springs are stacked on top of each other.
In preferably or alternatively implementing, the elastic bearing also includes the leaf spring pad that rigidity is more than the flat spring,
The leaf spring pad is provided between flat spring described in adjacent two panels.
Compressor provided in an embodiment of the present invention, including electric motor internal stator, outer stator of motor, electric mover, piston, cylinder
The described elastic bearing that cylinder body and any technical scheme of the present invention provide, wherein：
The electric mover is fixedly connected with the piston, the cylinder block and the outer stator of motor or the motor
Inner stator is fixedly connected；
A portion of the piston in the cylinder block and the part and the cylinder block inwall it
Between form compression chamber；
The electric mover on the closure alternation magnetic circuit that the outer stator of motor and the electric motor internal stator are formed and
The closure alternation magnetic circuit can drive the electric mover to drive the piston reciprocating relative to the cylinder block；
First elastic arm of the flat spring of the elastic bearing and described respective the inner of second elastic arm
It is detachably fixed and is connected with the piston by the first Detachable connection structure, first elastic arm and second bullet
The property respective outer end of arm is detachably fixed by the second Detachable connection structure with the cylinder block to be connected.
In preferably or alternatively implementing, first Detachable connection structure includes attachment screw and attachment spacers,
The end of thread of the attachment screw passes through part and the screw on the piston of the attachment spacers and the elastic bearing
It is threadedly coupled and the attachment spacers, the elastic bearing and the electric mover is each attached on the piston.
In preferably or alternatively implementing, second Detachable connection structure includes fixing screws and fixed plate, institute
Fixed plate is stated to abut against with the outer stator of motor；
The end of thread of the fixing screws connects through the part of the fixed plate and the screw screw thread on the cylinder block
Connect, or, the end of thread of the fixing screws passes through part and the fixing nut spiral shell of the fixed plate and the cylinder block
Line connects.
In preferably or alternatively implementing, the compressor also includes the spring cup fixed with the fixed plate, the bullet
Resonant springs are additionally provided between spring lid and the electric mover, the electric mover is between the resonant springs and the piston
Between.
In preferably or alternatively implementing, the every flat spring of the elastic bearing is on the piston axial direction
Rigidity meet formula：
ωn=[(nkm+kg)(ms+mss+md+msd)]/[(ms+mss)(md+msd)]；In formula：
kmFor rigidity of the every flat spring on piston axial direction；
N is the piece number of flat spring；
nkmFor global stiffness of all flat springs on piston axial direction；
kgFor the gas equivalent stiffness in compression chamber；
msThe stationary parts quality being fixedly connected for same cylinder block；
mssFor the equivalent quality on stationary parts of n piece flat springs；
mdThe heavy moving parts being fixedly connected for same piston；
msdHeavy moving parts are arrived for n piece flat springs are equivalent；
ωnFor vibration of compressor system frequency.
Based on above-mentioned technical proposal, the embodiment of the present invention can at least produce following technique effect：
Due to flat spring provided by the invention, bearing area is larger in its axial direction, and it is close to flat spring center
Gap size between the elastic arm of region first and the second elastic arm is larger, and the more big then elasticity in gap is better, thus ensure that it
Good axial elasticity bearing performance, meanwhile, of the invention compared with common wire spring, its thickness in radial directions
It is larger, and it is first subject to periphery i.e. region away from its center of the region of outer radial power for the present invention, the region
Gap size between first elastic arm and the second elastic arm is smaller, and the first elastic arm and the respective broad-ruler of the second elastic arm
It is very little gradually to increase along deep direction, so rigidity is stronger, also there are good support effects in radial directions, so
Prior art can not ensure the technical problem also while the elastic bearing of piston axial direction with preferable radial support effect.
Further, since the region at the flat spring center that the present invention is connected with piston is elastic even more ideal, so equivalent matter
Amount is smaller, meets the requirement of air-conditioning linear compressor high-frequency, low tuned mass.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
One schematic cross-sectional view of the flat spring that Fig. 1 is provided by the embodiment of the present invention；
Another schematic cross-sectional view of the flat spring that Fig. 2 is provided by the embodiment of the present invention；
Fig. 3 is the schematic cross-sectional view of compressor provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of the assembling process of compressor provided in an embodiment of the present invention；
Fig. 5 assembles it for piston in the parts of compressor provided in an embodiment of the present invention with flat spring, leaf spring pad
A sheet of planar schematic diagram afterwards；
Fig. 6 assembles it for piston in the parts of compressor provided in an embodiment of the present invention with flat spring, leaf spring pad
Another sheet of planar schematic diagram afterwards；
Fig. 7 assembles it for piston in the parts of compressor provided in an embodiment of the present invention with flat spring, leaf spring pad
Another sheet of planar schematic diagram afterwards；
Fig. 8 is the schematic diagram of the stereochemical structure of compressor provided in an embodiment of the present invention；
Fig. 9 is a sheet of planar schematic diagram of compressor shown in Fig. 8；
Figure 10 is another sheet of planar schematic diagram of compressor shown in Fig. 8；
Figure 11 is another sheet of planar schematic diagram of compressor shown in Fig. 8；
Reference：1st, flat spring；11st, the first elastic arm；12nd, the second elastic arm；13rd, air entry；14th, assembling is oriented to
Hole；15th, moving component connecting hole；16th, stationary parts connecting hole；2nd, leaf spring pad；31st, electric motor internal stator；32nd, it is fixed outside motor
Son；33rd, electric mover；41st, piston；42nd, cylinder block；43rd, the first Detachable connection structure；431st, attachment screw；432nd, even
Connection pad piece；433rd, bearing pad；44th, the second Detachable connection structure；441st, fixing screws；442nd, fixed plate；51st, resonance bullet
Spring；52nd, spring cup；53rd, cylinder body supporting spring；54th, inlet valve；55th, exhaust valve cap；56th, air bleeding valve；57th, it is vented valve spring；58、
Inside exhaust pipe；59th, housing exhaust outlet；60th, housing air entry.
Embodiment
Be referred to accompanying drawing Fig. 1~Figure 11 below and word content understand present disclosure and it is of the invention with it is existing
Distinctive points between technology.Hereafter accompanying drawing and enumerate the present invention some alternative embodiments by way of, to the present invention
Technical scheme (including optimal technical scheme) is described in further detail.It should be noted that：Any skill in the present embodiment
Art feature, any technical scheme be plurality of optional technical characteristic or optional technical scheme in one or more, in order to
Description it is succinct need all alternative technical characteristics of the invention impossible to exhaust and alternative technical sides in this document
Case, the embodiment for being also not easy to every chip technology feature emphasizes it as one of optional numerous embodiments, so this area
Technical staff should know：Any technological means provided by the invention can be replaced or by provided by the invention any two
Piece or more chip technology means or technical characteristic are combined mutually and obtain new technical scheme.Any skill in the present embodiment
Art feature and any technical scheme do not limit the scope of the invention, and protection scope of the present invention should include this area
Technical staff does not pay the thinkable any alternate embodiments of creative work institute and those skilled in the art by the present invention
Any two panels provided or more chip technology means or technical characteristic technical scheme new obtained from being combined mutually.
The embodiments of the invention provide a kind of while ensure the effect of piston axial direction elastic bearing and radial support more
Preferable flat spring, the elastic bearing of the flat spring is set and the compressor of the elastic bearing is set.
Technical scheme provided by the invention is illustrated in more detail with reference to Fig. 1~Figure 11.
As shown in Fig. 1~Figure 11, flat spring 1 that the embodiment of the present invention is provided, including the first elastic arm 11 and second
Elastic arm 12, the first elastic arm 11 and the contour line of 12 respective inner edge of the second elastic arm and outer rim are formed by connecting by camber line,
And first the inner of elastic arm 11 be fixedly connected with the inner of the second elastic arm 12 or be integral type structure.
First elastic arm 11 is wound mutually with the second elastic arm 12 around same centrally along circumferential direction, and the first elastic arm 11
Inner edge and the second elastic arm 12 outer rim between and the outer rim of the first elastic arm 11 and the inner edge of the second elastic arm 12 between
Gap be present.
The inner outer rim of the inner edge of first elastic arm 11 and the second elastic arm 12 or at least part region of the inner it is outer
Gap between edge be more than the other parts outside the inner edge of the first elastic arm 11 and the inner of the second elastic arm 12 outer rim it
Between gap.
The inner outer rim of the inner edge of second elastic arm 12 and the first elastic arm 11 or at least part region of the inner it is outer
Gap between edge be more than the other parts outside the inner edge of the second elastic arm 12 and the inner of the first elastic arm 11 outer rim it
Between gap；
First elastic arm 11 and 12 respective width dimensions of the second elastic arm or the broad-ruler in respective at least part region
It is very little gradually to increase along deep direction.
Due to flat spring 1 provided by the invention, bearing area is larger in its axial direction, and it is close to the center of flat spring 1
Region the first elastic arm 11 and the second elastic arm 12 between gap size it is larger, gap more it is big then elasticity it is better, thus really
Its good axial elasticity bearing performance has been protected, meanwhile, of the invention compared with common wire spring, it is thick in radial directions
Degree size is larger, and it is first subject to periphery i.e. region away from its center of the region of outer radial power for the present invention,
Gap size between region first elastic arm 11 and the second elastic arm 12 is smaller, so rigidity is stronger, in radial directions
Also there are good support effects.
As preferably or alternatively embodiment, the first elastic arm 11 and the second elastic arm 12 (around) () center pair each other
Claim.First elastic arm 11 and the contour line of 12 respective inner edge of the second elastic arm and outer rim connect by least two tangent camber lines
Connect and form.The structure has when bearing external force stress equalization everywhere, the first elastic arm 11 and the surface smoothness of the second elastic arm 12, and
Bear to be less prone to stress concentration during elastic force everywhere, good reliability, the advantages of service life is long.
As preferably or alternatively embodiment, the bar number of camber line is 2~12.When the bar number of camber line is above-mentioned number
When can both realize the first elastic arm 11 and the contour line surface smoothness of 12 respective inner edge of the second elastic arm and outer rim, be easy to again
Processing, manufacture.
As preferably or alternatively embodiment, the inner of the first elastic arm 11 and the inner connection of the second elastic arm 12
Region is provided with air entry 13.The setting of air entry 13 can reduce is lost using the inspiratory resistance of the flat spring 1 of the present invention.
As preferably or alternatively embodiment, the inner of the first elastic arm 11 around air entry 13 and the second elastic arm
On the inner of the first elastic arm 11 on 12 the inner or around air entry 13 and the inner join domain of the second elastic arm 12
It is provided with assembling pilot hole 14 and moving component connecting hole 15, the outer end of the first elastic arm 11 and the outer end of the second elastic arm 12
Each it is provided with stationary parts connecting hole.
Assembling pilot hole 14 can be not only used for being connected with piston 41, and can ensure the linear reciprocating motion of piston 41
Positional precision, it is ensured that the stabilization of piston 41, reliable motion.Moving component connecting hole 15 is mainly used in being connected with piston 41.It is quiet
Stop part connecting hole is used to be connected with cylinder block 42.
Elastic bearing provided in an embodiment of the present invention, including the flat spring that any technical scheme of at least a piece of present invention provides
1.Flat spring 1 provided by the invention is suitable for as elastic bearing, with ensure the axial elasticity of piston 41 supporting while, also reach
Preferable radial support effect is arrived.
As preferably or alternatively embodiment, the number of flat spring 1 is at least two panels, and all flat springs 1 are mutual
Overlap.The flat spring 1 being stacked on top of each other in its axial direction there is stronger rigidity, can play more
Preferable axial elasticity supporting and the effect of radial support.
As preferably or alternatively embodiment, elastic bearing also include the leaf spring pad 2 that rigidity is more than flat spring 1, phase
Leaf spring pad 2 is provided between adjacent two panels flat spring 1.Leaf spring pad 2 can further enhance the rigidity of elastic bearing.
Compressor provided in an embodiment of the present invention, including electric motor internal stator, outer stator of motor 32, electric mover 33, piston
41st, the elastic bearing that cylinder block 42 and any technical scheme of the present invention provide, wherein：
Electric mover 33 is fixedly connected with piston 41, and cylinder block 42 is fixed with outer stator of motor 32 or electric motor internal stator to be connected
Connect.A portion of piston 41 forms compression in cylinder block 42 and between the inwall of the part and cylinder block 42
Chamber.Electric mover 33 is on the closure alternation magnetic circuit that outer stator of motor 32 and electric motor internal stator are formed and closure alternation magnetic circuit energy
Motor mover 33 is reciprocating relative to cylinder block 42 with piston 41.First bullet of the flat spring 1 of elastic bearing
11 and second elastic arm of property arm, 12 respective the inner is detachably fixed by the first Detachable connection structure 43 with piston 41
Connection, the first elastic arm 11 and 12 respective outer end of the second elastic arm pass through the second Detachable connection structure 44 and cylinder cylinder
Body 42 is detachably fixed connection.Electric mover 33 with piston 41 relative to cylinder block 42 it is reciprocating during can be with
Realize the process of the suction of gas, compression and discharge.Gas is inhaled into housing through housing air entry 60 or housing air intake duct,
Low-pressure gas is inhaled into compressor chamber in housing, and after the gas in cavity is compressed, when pressure reaches a timing, air bleeding valve is beaten
Open, it is external to be discharged to compression case through inside exhaust pipe for gases at high pressure.
Also have while compressor suitably uses the present invention to ensure the supporting of the axial elasticity of piston 41 and preferably radially prop up
Hold effect.It is also possible to reduce the equivalent mass of compressor piston 41, air-conditioning linear compressor high frequency is met
The requirement of rate, low tuned mass.
As preferably or alternatively embodiment, the first Detachable connection structure 43 include attachment screw 431 and connection
Pad 432, the end of thread of attachment screw 431 pass through part and the screw on piston 41 of attachment spacers 432 and elastic bearing
It is threadedly coupled and attachment spacers 432, elastic bearing and electric mover 33 is each attached on piston 41.Said structure connection gasket
Piece 432 not only can further increase the rigidity of elastic bearing, and be easy to it is compact-sized, be easy to the advantages of assembling.
As preferably or alternatively embodiment, the second Detachable connection structure 44 include fixing screws 441 and fixed
Plate 442, fixed plate 442 abut against with outer stator of motor 32.The end of thread of fixing screws 441 through fixed plate 442 part with
Screw threaded connection on cylinder block 42, or, the end of thread of fixing screws 441 passes through fixed plate 442 and cylinder block
42 part is threadedly coupled with fixing nut.Said structure have be easy to it is compact-sized, be easy to assembling, high excellent of disassembly efficiency
Point.
As preferably or alternatively embodiment, compressor also include the spring cup 52 fixed with fixed plate 442, spring cup
Resonant springs 51 are additionally provided between 52 and electric mover 33, electric mover 33 is between resonant springs 51 and piston 41.It is humorous
The spring 51 that shakes may insure that the reliable, stable of resonance operation is carried out.
As preferably or alternatively embodiment, the every flat spring 1 of elastic bearing are firm on the axial direction of piston 41
Degree meets formula：
ωn=[(nkm+kg)(ms+mss+md+msd)]/[(ms+mss)(md+msd)].In formula：
kmFor rigidity of the every flat spring 1 on the axial direction of piston 41.
N is the piece number of flat spring 1.
nkmFor global stiffness of all flat springs 1 on the axial direction of piston 41.
kgFor the gas equivalent stiffness in compression chamber.
msThe stationary parts quality being fixedly connected for same cylinder block 42.
mssFor the 1 equivalent quality on stationary parts of n pieces flat spring.
mdThe heavy moving parts being fixedly connected for same piston 41.
msdHeavy moving parts are arrived for n pieces flat spring 1 is equivalent.
ωnFor vibration of compressor system frequency.
, can be true when the every flat spring 1 of elastic bearing meets above-mentioned formula in the rigidity on the axial direction of piston 41
The invention resonance transaction capabilities that break even are optimal, and compressor efficiency is higher.
Any technical scheme disclosed in the invention described above unless otherwise stated, if it discloses number range, then
Disclosed number range is preferable number range, it is any it should be appreciated by those skilled in the art：Preferable number range
The only obvious or representative numerical value of technique effect in many enforceable numerical value., can not because numerical value is more
Exhaustion, so the present invention just discloses component values to illustrate technical scheme, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection domain should be formed.
If limiting parts if the word such as " first ", " second " is used herein, those skilled in the art should
This knows：The use of " first ", " second " is intended merely to facilitate in description and parts is distinguished as not having Stated otherwise
Outside, above-mentioned word does not have special implication.
Meanwhile if the invention described above discloses or relate to the parts or structural member of connection fastened to each other, then, except another
There is statement outer, be fixedly connected and can be understood as：(such as using bolt or mode connects for screw) can be releasably fixedly connected with, can also
It is interpreted as：Non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other can also be integral type structure
(such as being manufactured using casting technique is integrally formed) substitutes (substantially can not be using except integrally formed technique).
In addition, the art for being used to represent position relationship or shape applied in any technical scheme disclosed in the invention described above
Its implication includes approximate with its, similar or close state or shape to language unless otherwise stated.Either component provided by the invention
Both can be to be assembled by the single part of multi-disc, or the separate part that integrally formed technique manufactures.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (12)
- A kind of 1. flat spring, it is characterised in that including the first elastic arm (11) and the second elastic arm (12), first elasticity The contour line of arm (11) inner edge respective with second elastic arm (12) and outer rim is formed by connecting by camber line, and described first Inner the inner with second elastic arm (12) of elastic arm (11) is fixedly connected or is integral type structure；First elastic arm (11) winds mutually with second elastic arm (12) around same centrally along circumferential direction, and described Between the outer rim of the inner edge of first elastic arm (11) and second elastic arm (12) and first elastic arm (11) it is outer Gap be present between the inner edge of edge and second elastic arm (12)；Inner outer rim or inner at least part of the inner edge of first elastic arm (11) with second elastic arm (12) Gap between the outer rim in region is more than the inner edge of first elastic arm (11) and the inner of second elastic arm (12) Gap between the outer rim of outer other parts；Inner outer rim or inner at least part of the inner edge of second elastic arm (12) with first elastic arm (11) Gap between the outer rim in region is more than the inner edge of second elastic arm (12) and the inner of first elastic arm (11) Gap between the outer rim of outer other parts；First elastic arm (11) and the respective width dimensions of second elastic arm (12) or respective at least part region Width dimensions gradually increase along away from the direction at the center；Inner and second elastic arm (12) the inner join domain of first elastic arm (11) is provided with air entry (13)。
- 2. flat spring according to claim 1, it is characterised in that first elastic arm (11) and second elastic arm (12) it is symmetrical around mutual centre.
- 3. flat spring according to claim 1, it is characterised in that first elastic arm (11) and second elastic arm (12) contour line of respective inner edge and outer rim is formed by connecting by least two tangent camber lines.
- 4. flat spring according to claim 3, it is characterised in that the bar number of the camber line is 2~12.
- 5. flat spring according to claim 1, it is characterised in that first elastic arm around the air entry (13) (11) first elastic arm on inner and the inner of second elastic arm (12) or around the air entry (13) (11) assembling pilot hole (14) and motion are provided with the inner and inner join domain of second elastic arm (12) Part connecting hole (15), the outer end of first elastic arm (11) and the outer end of second elastic arm (12) are each provided with Stationary parts connecting hole (16).
- 6. a kind of elastic bearing, it is characterised in that including any flat springs of claim 1-5, the number of the flat spring It is at least two panels, and all flat springs are stacked on top of each other.
- 7. elastic bearing according to claim 6, it is characterised in that the elastic bearing also includes rigidity and is more than the plate The leaf spring pad (2) of spring, the leaf spring pad (2) is provided between flat spring described in adjacent two panels.
- 8. a kind of compressor, it is characterised in that including electric motor internal stator, outer stator of motor (32), electric mover (33), piston (41), cylinder block (42) and any described elastic bearings of claim 6-7, wherein：The electric mover (33) is fixedly connected with the piston (41), the cylinder block (42) and the outer stator of motor (32) or the electric motor internal stator is fixedly connected；A portion of the piston (41) is embedded in the cylinder block (42) and the part and the cylinder block (42) Inwall between form compression chamber；The closure alternation magnetic circuit that the electric mover (33) is formed between the outer stator of motor (32) and the electric motor internal stator Upper and described closure alternation magnetic circuit can drive the electric mover (33) to drive the piston (41) relative to the cylinder block (42) it is reciprocating；First elastic arm (11) of the flat spring of the elastic bearing and second elastic arm (12) are respective The inner is detachably fixed by the first Detachable connection structure (43) with the piston (41) to be connected, first elastic arm (11) and second elastic arm (12) respective outer end passes through the second Detachable connection structure (44) and the cylinder cylinder Body (42) is detachably fixed connection.
- 9. compressor according to claim 8, it is characterised in that first Detachable connection structure (43) includes connection Screw (431) and attachment spacers (432), the end of thread of the attachment screw (431) through the attachment spacers (432) and The part of the elastic bearing is threadedly coupled with the screw on the piston (41) and by the attachment spacers (432), the bullet Property supporting and the electric mover (33) be each attached on the piston (41).
- 10. compressor according to claim 8, it is characterised in that second Detachable connection structure (44) includes solid Determine screw (441) and fixed plate (442), the fixed plate (442) abuts against with the outer stator of motor (32)；The end of thread of the fixing screws (441) through the fixed plate (442) part with the cylinder block (42) Screw is threadedly coupled, or, the end of thread of the fixing screws (441) passes through the fixed plate (442) and the cylinder cylinder The part of body (42) is threadedly coupled with fixing nut.
- 11. compressor according to claim 10, it is characterised in that the compressor also includes and the fixed plate (442) fixed spring cup (52), resonant springs are additionally provided between the spring cup (52) and the electric mover (33) (51), the electric mover (33) is between the resonant springs (51) and the piston (41).
- 12. according to any described compressors of claim 8-11, it is characterised in that the every plate of the elastic bearing Rigidity of the spring on the piston (41) axial direction meets formula：ωn=[(nkm+kg)(ms+mss+md+msd)]/[(ms+mss)(md+msd)]；In formula：kmFor rigidity of the every flat spring on piston (41) axial direction；N is the piece number of flat spring；nkmFor global stiffness of all flat springs on piston (41) axial direction；kgFor the gas equivalent stiffness in compression chamber；msThe stationary parts quality being fixedly connected for same cylinder block (42)；mssFor the equivalent quality on stationary parts of n piece flat springs；mdThe heavy moving parts being fixedly connected for same piston (41)；msdHeavy moving parts are arrived for n piece flat springs are equivalent；ωnFor vibration of compressor system frequency.
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| CN201410841616.1A CN105805201B (en) | 2014-12-29 | 2014-12-29 | Flat spring, elastic bearing and compressor |
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| CN105805201B true CN105805201B (en) | 2018-02-27 |
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| CN101052805B (en) * | 2004-11-02 | 2012-12-26 | 菲舍尔和佩克尔应用有限公司 | Suspension spring for linear compressor |
| CN101741208B (en) * | 2009-12-10 | 2012-07-04 | 华中科技大学 | Miniature moving-magnet exciter |
| CN103256203B (en) * | 2013-04-17 | 2015-07-29 | 浙江大学 | A kind of air-conditioning refrigerator Linearkompressor |
| CN204387178U (en) * | 2014-12-29 | 2015-06-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Leaf spring, yielding support and compressor |
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Effective date of registration: 20181205 Address after: 519070, Jinji Hill Road, front hill, 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 |