CN106286233A - Cylinder assembly, compressor and air-conditioner - Google Patents

Abstract

The invention provides a kind of cylinder assembly, including cylinder shelf structure, air cylinder structure and assembling structure, cylinder shelf structure is provided with cylinder mounting holes；The cylinder guide hole corresponding with cylinder mounting holes it is provided with on air cylinder structure；Assembling structure includes the guide pillar of trip bolt and hollow, and guide pillar is placed in cylinder guide hole, and the length of guide pillar is more than the degree of depth of cylinder guide hole；Trip bolt runs through the hollow space of guide pillar and matches with cylinder mounting holes, thus is fixed on by air cylinder structure on cylinder shelf structure.The invention still further relates to a kind of compressor applying above-mentioned air cylinder structure and air-conditioner.The cylinder assembly of the present invention, compressor and air-conditioner, thus piston has preferable axiality with cylinder during ensure that compressor assembling, thus reduce the inordinate wear between piston and air cylinder structure, reduce the frictional dissipation between piston and air cylinder structure, improve the performance of compressor.

Description

Cylinder assembly, compressor and air-conditioner

Technical field

The present invention relates to air-conditioner technical field, particularly relate to a kind of cylinder assembly, compressor and air-conditioner.

Background technology

Flat spring support technology is one of key technology of Linearkompressor.Relative to traditional cylindrical spring, Flat spring has bigger radial rigidity so that piston will not produce radial displacement at the volley due to vibration, Avoid the direct contact between piston and cylinder.But, during the assembling of compressor, easily occur Outside piston axis tilts certain angle, or skew a certain distance relative to cylinder inner circle axis, or The problem that both have both at the same time, thus occur compressor power consumption big, piston and cylinder inordinate wear, the most alive Plug and cylinder card are waited indefinitely fault.

Summary of the invention

In view of the present situation of prior art, it is an object of the invention to provide a kind of cylinder assembly, compressor and sky Adjust device, solve piston and the unmanageable problem of air cylinder structure axiality during compressor assembling, it is to avoid Piston and the inordinate wear phenomenon of air cylinder structure, improve the performance of compressor.

For achieving the above object, the present invention adopts the following technical scheme that

A kind of cylinder assembly, it is characterised in that including:

Cylinder shelf structure, described cylinder shelf structure is provided with cylinder mounting holes；

Air cylinder structure, described air cylinder structure is provided with the cylinder guide hole corresponding with described cylinder mounting holes； And

Assembling structure, it is described that described assembling structure includes that the guide pillar of trip bolt and hollow, described guide pillar are placed in In cylinder guide hole, and the length of described guide pillar is more than the degree of depth of described cylinder guide hole；

Described trip bolt runs through the hollow space of described guide pillar and matches with described cylinder mounting holes, thus will Described air cylinder structure is fixed on described cylinder shelf structure.

Wherein in an embodiment, the diameter of described cylinder guide hole with the difference of the external diameter of described guide pillar is 0.01mm～0.06mm, the length of described guide pillar with the difference of the degree of depth of described cylinder guide hole is 0.01mm～0.1mm.

Wherein in an embodiment, the block face diameter of described trip bolt is more than the diameter of described cylinder guide hole, And the difference of the block face diameter of described trip bolt and the diameter of described cylinder guide hole is at least 0.5mm.

Wherein in an embodiment, also include that exhaust structure, described exhaust structure are fixedly mounted on described gas On cylinder structure.

Present invention also offers a kind of compressor, including stator module, moving parts, flat spring assembly and on State the cylinder assembly described in any one；

Described stator module includes that motor stator and stator fixed plate, described motor stator, described stator are fixed Plate is successively set on described cylinder shelf structure, and described stator fixed plate is provided with fixed plate fixing hole, described Being provided with the cylinder frame fixing hole corresponding with described fixed plate fixing hole on cylinder shelf structure, described stator module leads to Cross and sequentially pass through the first fixed structure of described fixed plate fixing hole and described cylinder frame fixing hole and be fixed on described cylinder On shelf structure；

Described moving parts includes that electric mover and piston, one end of described piston are fixed with described electric mover Connecting, the other end of described piston is embedded in described cylinder assembly, is formed with the inwall of described air cylinder structure Compression chamber, described electric mover is placed on the Guan Bi alternation magnetic circuit that described motor stator is formed, and described electricity Motor-driven energy subband moves described piston and moves reciprocatingly relative to described cylinder assembly；

Described flat spring assembly is fixed on described moving parts, and described flat spring assembly and described stator Assembly is fixing to be connected.

Wherein in an embodiment, described moving parts also includes connector, described connector and described electricity Motor-driven piston, described is fixing to be connected, and described flat spring assembly is arranged on described connector.

Wherein in an embodiment, described connector is provided with connector fixing hole, described electric mover On be provided with the mover fixing hole corresponding with described connector fixing hole, described piston is provided with described The piston fixing hole that mover fixing hole is corresponding, described connector by sequentially pass through described connector fixing hole, Second fixed structure of described mover fixing hole and described piston fixing hole is fixed on described moving parts.

Wherein in an embodiment, described flat spring assembly includes multiple flat spring, multiple described flat springs Overlap each other setting, and described flat spring includes two elastic arms and for installing the fixed part of location；

Article two, the structure of described elastic arm is identical, is formed isocentric circular arc or eccentric arc are tangent by some； Described some isocentric circular arc or eccentric arc radius from inside to outside are gradually increased, all of described isocentric circular arc Or the center of circle of eccentric arc is all on same straight line, and it is positioned at isocentric circular arc described in a pair of outmost turns or partially Heart circular arc is not more than half-turn, and remaining is half-turn to described isocentric circular arc or eccentric arc；

Article two, the initial end of described elastic arm is tangent, and its junction is provided with an interior fixing hole, described in two Elastic arm is uniformly distributed centered by described interior fixing hole, and the gap between two described elastic arms is more than institute State 0.1～0.5 times of thickness of elastic arm；

Article two, the end of described elastic arm connects described fixed part respectively.

Wherein in an embodiment, described fixed part is a circular ring for fixing；

Described interior fixed hole position is in the center of described fixed part, and two described elastic arms are with in described fixed part The heart is initiating terminal, extension of spiraling to the periphery of described fixed part；Article two, the end of described elastic arm respectively with institute State fixed part to be connected by arc transition；Extenal fixation hole it is provided with on described fixed part.

Wherein in an embodiment, described connector is additionally provided with and is applicable to fit mutually with described interior fixing hole The connection post joined, multiple described flat springs are sequentially sleeved on connection post by described interior fixing hole, and described Flat spring assembly is connected by the 3rd fixed structure and described connector are fixing；

It is provided with in described stator fixed plate and described extenal fixation hole fixed plate screw hole one to one, described Flat spring assembly is by sequentially passing through the extenal fixation hole on multiple described flat spring and described fixed plate screw hole 4th fixed structure is fixed on described stator module.

Wherein in an embodiment, being provided with pad between multiple described flat springs, described pad is respectively It is arranged on the internal gasket at described interior fixing hole and is arranged on the outer pad at described extenal fixation hole.

Wherein in an embodiment, described connector is additionally provided with ventilation and steps down portion and be applicable to described The through-flow portion of air-breathing of the suction hole connection of piston.

Wherein in an embodiment, the gas force change within a working cycle of the described piston meets as follows Formula: $F_g\left(t\right)=\frac{2a_{1}T}{2\mathrm{\π}s}{y}^{\′}\left(t\right)-\frac{2b_1}{s}y\left(t\right)+F_0;$

Wherein, definitionk_gFor the effective gas rigidity of gas force in cycle T.

The present invention relates to a kind of air-conditioner, including the compressor described in any of the above-described item.

The invention has the beneficial effects as follows:

The cylinder assembly of the present invention, compressor and air-conditioner, realize cylinder assembly by arranging assembling structure Assembling, and guide pillar is placed in cylinder guide hole, the length of guide pillar is more than the degree of depth of cylinder guide hole, it is ensured that pressure Contracting machine is in operation process, and air cylinder structure is suspended in cylinder shelf structure all the time, and air cylinder structure can be adaptive to The position of piston, thus during ensure that compressor assembling, piston has preferable axiality with cylinder, from And reduce the inordinate wear between piston and air cylinder structure, reduce the friction between piston and air cylinder structure Loss, improves the performance of compressor.

Accompanying drawing explanation

Fig. 1 is the assembling schematic diagram of cylinder assembly one embodiment of the present invention；

Fig. 2 be the present invention cylinder assembly in the size relationship schematic diagram of assemble mechanism and cylinder guide hole；

Fig. 3 be the present invention cylinder assembly in the assembling schematic diagram of air cylinder structure and exhaust structure；

Fig. 4 is the schematic diagram of compressor one embodiment of the present invention；

Fig. 5 be the present invention compressor in the assembling schematic diagram of stator module and cylinder shelf structure；

Fig. 6 be the present invention compressor in the assembling schematic diagram of moving parts one embodiment；

Fig. 7 be the present invention compressor in the assembling schematic diagram of moving parts and flat spring assembly one embodiment；

Fig. 8 be the present invention compressor in flat spring assembly, the assembling schematic diagram of moving parts and stator module；

Fig. 9 be the present invention compressor in the sectional view of flat spring one embodiment；

Figure 10 be the present invention compressor in the structural representation of flat spring one embodiment；

Figure 11 with Figure 10 is identical, illustrated therein is the arm width of the initiating terminal of two elastic arms and two elastic arms Between gap；

Figure 12 be the present invention compressor in piston variation diagram of gas force within a working cycle；

Figure 13 be the present invention compressor in piston reciprocating motion figure within a working cycle.

Detailed description of the invention

In order to make technical scheme clearer, below in conjunction with accompanying drawing, to the cylinder assembly of the present invention, Compressor and air-conditioner are described in further detail, it will be appreciated that specific embodiment described herein is only In order to explain that the present invention is not intended to limit the present invention.

See Fig. 1 to Figure 13, as depicted in figs. 1 and 2, the cylinder assembly of the present invention include cylinder shelf structure 100, Air cylinder structure 200, assembling structure 300 and exhaust structure 400.Wherein, cylinder shelf structure 100 is provided with gas Cylinder installing hole 110, air cylinder structure 200 is provided with the cylinder guide hole 210 corresponding with cylinder mounting holes 110. Assembling structure 300 includes guide pillar 310 and the trip bolt 320 of hollow, and cylinder guide hole 210 is circular port.Lead Post 310 is placed in cylinder guide hole 210, and i.e. the outside diameter d 1 of guide pillar 310 is less than the diameter d2 of cylinder guide hole 210, Length h1 of guide pillar 310 is more than degree of depth h2 of cylinder guide hole 210.This ensure that compressor is at operation process In, air cylinder structure 200 is suspended in cylinder shelf structure 100 all the time, and air cylinder structure 200 can be adaptive to live The position of plug, thus during ensure that compressor assembling, piston has preferable axiality with cylinder, thus Reduce the inordinate wear between piston and air cylinder structure, reduce the friction between piston and air cylinder structure and damage Consumption, improves the performance of compressor.

Trip bolt 320 runs through the hollow space of guide pillar 310 and matches with cylinder mounting holes 110 so that gas Cylinder structure 200 is fixed on cylinder shelf structure 100.In the present embodiment, for ensureing air cylinder structure 200 and cylinder frame The fixing reliability of structure 100, the quantity of assembling structure 300 is 3.Accordingly, cylinder mounting holes 110 Arrange with assembling structure 300 one_to_one corresponding with cylinder guide hole 210, i.e. cylinder on cylinder shelf structure 100 is installed The quantity in hole 110 is 3, and 3 cylinder mounting holes 110 are uniformly distributed on cylinder shelf structure 100.Cylinder is tied The quantity of the cylinder guide hole 210 on structure 200 is also 3, and 3 cylinder guide holes 210 are on air cylinder structure 200 It is uniformly distributed.In other embodiments, cylinder mounting holes 110, cylinder guide hole 210 and assembling structure 300 Quantity can also is that more than two or three.

Exhaust structure 400 is fixedly mounted on air cylinder structure 200, as it is shown on figure 3, on air cylinder structure 200 It is additionally provided with cylinder screw hole 220, exhaust structure 400 is provided with cylinder screw hole 220 one to one Aerofluxus fixing hole 410, exhaust structure 400 is by sequentially passing through aerofluxus fixing hole 410 and cylinder screw hole 220 Location screw 420 be fixed on air cylinder structure 400.In the present embodiment, cylinder screw hole 220 and aerofluxus The quantity of fixing hole 410 is 3, only illustrates two aerofluxus fixing holes 410 in Fig. 3.

Preferably, the diameter of cylinder guide hole 210 is 0.01mm～0.06mm with the difference of the external diameter of guide pillar 310, The length of guide pillar 310 is 0.01mm～0.1mm with the difference of the degree of depth of cylinder guide hole 210.Trip bolt 320 Block face diameter more than the diameter of cylinder guide hole 210, and the block face diameter of trip bolt 320 and cylinder guide hole The difference of the diameter of 210 is at least 0.5mm, and so can ensure that between air cylinder structure and cylinder shelf structure is effective Fixing.

As shown in Figure 4, present invention also offers a kind of compressor, including stator module 500, moving parts 600, flat spring assembly 700, housing 800 and the cylinder assembly of any of the above-described embodiment.Stator module 500, Moving parts 600, flat spring assembly 700 and cylinder assembly are arranged in housing 800, and housing 800 plays The effect of protection compressor intraware.

Wherein, stator module 500 includes motor stator 510 and stator fixed plate 520, motor stator 510, Stator fixed plate 520 is successively set on cylinder shelf structure 100.It is provided with fixed plate in stator fixed plate 520 Fixing hole 521, cylinder shelf structure 100 is provided with the cylinder frame fixing hole corresponding with fixed plate fixing hole 521 120, stator module 500 is solid by sequentially pass through fixed plate fixing hole 521 and cylinder frame fixing hole 120 first Fixed structure 530 is fixed on cylinder shelf structure 100.Wherein, first fixed structure 530 can use screw, The fixed structure such as bolt or rivet.First fixed structure 530 in the present embodiment is preferably bolt structure, cylinder Frame fixing hole 120 is preferably screw hole.

In the present embodiment, fixed plate fixing hole 521, cylinder frame fixing hole 120 and first fixed structure 530 are one by one It is correspondingly arranged, and quantity is 3.Wherein, 3 fixed plate fixing holes 521 are evenly distributed on stator and fix On plate 520,3 cylinder frame fixing holes 120 are evenly distributed on cylinder shelf structure 100.In other embodiments, The quantity of fixed plate fixing hole 521, cylinder frame fixing hole 120 and first fixed structure 530 can also is that two or More than three.

For ensureing stator fixed plate 520 and the relative position relation of cylinder shelf structure 100, in stator fixed plate 520 On be provided with fixed plate location hole 522.Accordingly, cylinder shelf structure 100 is provided with and hole, fixed plate location 522 one to one cylinder frame location hole 130.In the present embodiment, fixed plate hole 522, location and hole, cylinder frame location The quantity of 130 is two, and hole 522, two fixed plate location is relative to the centrosymmetry of stator fixed plate 520 Arranging, hole 130, two cylinder frame location is arranged relative to the centrosymmetry of cylinder shelf structure 100.

As it is shown in figure 5, in the stator module 500 assembling process with cylinder shelf structure 100, first by peace Holding tool guides with fixed plate hole 522, location and hole 130, corresponding cylinder frame location for coaxial line, it is ensured that Stator fixed plate 520 and the relative position of cylinder shelf structure 100, then re-use first fixed structure 530 and incite somebody to action Stator module 500 is fixed on cylinder shelf structure 100.

Moving parts 600 includes electric mover 610 and piston 620, one end of piston 620 and electric mover 610 fixing connections, specifically, one end of piston 620 is realized and electric mover by tightening members such as screws The fixing connection of 610.The other end of piston 620 is embedded in cylinder assembly, with the inwall of air cylinder structure 200 Forming compression chamber 880, electric mover 610 is placed on the Guan Bi alternation magnetic circuit that motor stator 510 is formed, And electric mover 610 can drive piston to move reciprocatingly relative to cylinder assembly, thus realize the suction of gas The process entering, compress and discharging.

Flat spring assembly 700 is fixed on moving parts 600, and flat spring assembly 700 and stator module 500 fixing connections.Flat spring assembly 700 is used for preventing piston 620 from producing footpath at the volley due to vibration To displacement, it is to avoid the directly contact between piston 620 and air cylinder structure 200, thus further ensure Piston 620 and the axiality of air cylinder structure 200, improve the performance of compressor.Additionally, flat spring assembly 700 can also reduce the equivalent mass of piston 620 in compressor, meet air-conditioning linear compressor high frequency Rate, the requirement of low tuned mass.

During compressor assembles, first complete the pre-assembled of cylinder assembly, will insert by guide pillar 310 In cylinder guide hole 210 on air cylinder structure 200, the most again trip bolt 320 is screwed into through guide pillar 310 Cylinder mounting holes 110 on cylinder shelf structure 100.The most again stator module 500 is fixed on cylinder shelf structure 100 On, finally moving parts 600 is fixed on stator module 500, completes the pre-assembled of compressor.Then Make electrical power, and control electric mover 610 and drive piston 620 to do the little amplitude of low frequency to move back and forth, real Existing air cylinder structure 200 and the coaxial location of piston 620, tighten trip bolt 320, by guide pillar the most again 310 are fixed together with cylinder shelf structure 100.So, by using the dynamical assemble process of air cylinder structure 200, Further ensure air cylinder structure 200, with piston 620, there is good axiality, further increase compression The performance of machine.

The work process of the compressor of the present embodiment is as follows:

The air entry 810 that gas is arranged on housing 800 is entered the low pressure in housing 800, in housing 800 Gas passes through the suction hole on piston 620 in inlet valve 850 is inhaled into compression chamber 880.Compression chamber 880 After interior gas is compressed, when the gas pressure in compression chamber 880 reaches a timing, and air bleeding valve 870 is opened, Gases at high pressure are discharged to outside the housing 800 of compressor through inside exhaust pipe 830, air vent 820.The most drained high pressure Gas forms pressure of inspiration(Pi) in compression chamber 880, it is achieved the compression process gone round and begun again.

It should be understood that, be additionally provided with inlet valve fixture 860 on the inlet valve 850 of the compressor of the present invention, For ensureing the normal work of inlet valve 850.More preferably, the compressor of the present embodiment has also included supporting making The pump housing support spring 840.

As a kind of embodiment, moving parts 600 also includes connector 630, described connector 630 with Electric mover 610, the fixing connection of piston 620, flat spring assembly 700 is arranged on connector 630, and plate Spring assembly 700 is fixing with stator module 600 to be connected.

More preferably, connector 630 is provided with connector fixing hole 631, electric mover 610 is provided with The mover fixing hole 611 that connector fixing hole 631 is corresponding, piston 620 is provided with and mover fixing hole 611 corresponding piston fixing holes 621, connector 630 is by sequentially passing through connector fixing hole 631, moving Second fixed structure 640 of sub-fixing hole 611 and piston fixing hole 621 is fixed on moving parts 600. Wherein, the second fixed structure 640 can use the fixed structures such as screw, bolt or rivet.In the present embodiment The second fixed structure 640 be preferably bolt structure, piston fixing hole 621 is preferably screwed hole.

In the present embodiment, connector fixing hole 631, mover fixing hole 611, piston fixing hole 621 and second Fixed structure 640 one_to_one corresponding is arranged, and quantity is 3.In other embodiments, connector is fixed The quantity of hole 631, mover fixing hole 611, piston fixing hole 621 and the second fixed structure 640 can also is that More than two or three.Preferably, connector 630 is additionally provided with hole 632, connector location, motor It is additionally provided with hole 612, mover location on son 610, piston is provided with hole 622, piston location, to guarantee to connect Part 630, electric mover 610 and the relative position relation of piston 620.More preferably, on electric mover 620 also Being provided with mover air vent, in the present embodiment, the quantity of mover air vent is 6, and 6 mover air vents are equal It is arranged on electric mover evenly.

As shown in Figure 6, during assembling, first with hole 632, connector location, hole 612, mover location Guide for coaxial line with hole 622, piston location, it is ensured that connector 630, electric mover 610 and piston 620 Position, re-uses the second fixed structure 640 and connector 630, electric mover 610 and piston 620 is pacified relatively Dress is fixing, completes the assembling of moving parts 600.

As it is shown in figure 9, flat spring assembly 700 includes that multiple flat spring 710, multiple flat springs 710 weigh mutually Folded setting.Wherein, flat spring 710 includes two elastic arms 711 and for installing the fixed part 712 of location. Article two, the structure of elastic arm 711 is identical, is formed isocentric circular arc or eccentric arc are tangent by some；Some Isocentric circular arc or eccentric arc radius from inside to outside are gradually increased, all of isocentric circular arc or eccentric arc The center of circle is all on same straight line.Preferably, a pair isocentric circular arc or the eccentric arc that are positioned at outmost turns are little In half-turn, be so easy to its end and realize arc transition with fixed part 712 and be connected, remaining to isocentric circular arc or Eccentric arc is half-turn.

Article two, the initial end of elastic arm 711 is tangent, and its junction is provided with an interior fixing hole 7110, two It is uniformly distributed centered by fixing hole 7110 within elastic arm 711.More preferably, between two elastic arms 711 Gap is more than 0.1～0.5 times of the thickness of elastic arm 711, to ensure to have between two elastic arms 711 enough Gap, it is to avoid interfere between two elastic arms 711, meet processes requirement simultaneously.

Article two, the end of elastic arm 711 connecting portion 712 respectively, fixed part 712 is used for installing location, its Structure can be designed as positioning accordingly hole or screw hole etc. according to actual installation situation.Specifically, fixed part 712 is a circular ring for fixing；Interior fixing hole 7110 is positioned at the center of fixed part 712, two elastic arms 711 With the center of fixed part 712 as initiating terminal, extension of spiraling to the periphery of fixed part 712；Article two, elastic arm 711 End be connected by arc transition with fixed part 712 respectively；Extenal fixation hole it is provided with on fixed part 712 7120。

Preferably, being provided with pad between multiple flat springs 710, pad is respectively arranged on interior fixing hole 7110 The internal gasket 740 at place and be arranged on the outer pad 750 at extenal fixation hole 7120.On the one hand the addition of pad subtracts The concentrated stress of the bearing of little plate spring groups, on the other hand prevents the friction between adjacent panels spring to grind Damage, extend the service life of plate spring groups.

As shown in Figure 10, in above-mentioned flat spring 710, it is assumed that two elastic arms 711 by n to isocentric circular arc or Eccentric arc is tangent to be formed, and from inside to outside, n meets below equation to isocentric circular arc or eccentric arc:

First couple of arc radius: R₁₁, R₁₂=R₁₁+e₁+b；

Second couple of arc radius: R₂₁=R₁₁+R₁₂+ J/2, R₂₂=R₂₁+e₂+(R₁₂-R₁₁)+e₁；

I-th (n >=i >=3) are to arc radius: R_i1=R_(i-1)1+ J, R_i2=R_i1+e_i+(R_(i-1)2-R_(i-1)1)+e_(i-1)；

Wherein, R₁₁It is the inner circle radius of first pair of circular arc, R₁₂It is the exradius of first pair of circular arc, R₂₁For The inner circle radius of second pair of circular arc, R₂₂It is the exradius of second pair of circular arc, R_i1Inner circle for i-th pair circular arc Radius, R_i2Exradius for i-th pair circular arc.e₁It it is the deviation inner circle center of circle, the cylindrical center of circle of first pair of circular arc Distance, e₂It is the distance in the deviation inner circle center of circle, the cylindrical center of circle of second pair of circular arc, e_iOutside for i-th pair circular arc The distance in the round heart deviation inner circle center of circle.B is the arm width of the initiating terminal of two elastic arms, and J is two elastic arms Between gap.

The molded line of the elastic arm 711 of the present invention has clear and definite expression formula, can control elasticity according to this expression formula The width of arm 711.As taken e_i=0 (i=1～n), then be wide many circle arm flat springs.As taken e_i> 0 (i=3～n), Just the most wide many circle wallboard springs gradually broadened by center can be obtained.In the present embodiment, take i=3, i.e. this reality The flat spring executed in example is made up of 3 pairs of circular arcs.

As it is shown in fig. 7, be that the installation realizing flat spring assembly 700 is fixed, connector 630 is additionally provided with Being applicable to the connection post 633 suitable with interior fixing hole 7110, multiple flat springs 710 are by interior fixing hole 7110 It is sequentially sleeved on connection post 633, and flat spring assembly 700 is by the 3rd fixed structure 720 and connector 630 fixing connections.For avoiding the frictional dissipation of flat spring 710, the 3rd fixed structure 720 and flat spring assembly Fastening gasket 730 it is provided with between 700.Wherein, the 3rd fixed structure 720 can use screw or bolt etc. Fixed structure.

As shown in Figure 8, stator fixed plate 520 is provided with and extenal fixation hole 7120 fixed plate one to one Screw hole 523, flat spring assembly 700 is by sequentially passing through the extenal fixation hole 7120 on multiple flat spring 710 It is fixed on stator module 500 with the 4th fixed structure 540 of fixed plate screw hole 523.Wherein, the 4th Fixed structure 540 can use the fixed structures such as screw, bolt or rivet, and the 4th in the present embodiment fixes Structure 540 is preferably bolt structure.

In the present embodiment, the quantity in the extenal fixation hole 7120 on flat spring 710 is two, two extenal fixation holes 7120 are symmetrical arranged relative to interior fixing hole 7110.Accordingly, stator fixed plate 520 is provided with two admittedly Determining plate bolt hole 523, the quantity of the 4th fixed structure 540 is also two.Certainly, in other embodiments, The quantity of extenal fixation hole 7120, fixed plate screw hole 523 and the 4th fixed structure 540 can also is that two with On.

For ensureing flat spring assembly 700 and the relative position relation of moving parts 600, at flat spring 710 Outside fix hole 7121,7121, two, two outside fix holes it is provided with relative to interior fixing hole on fixed part 712 7110 are symmetrical arranged.Accordingly, stator fixed plate 520 is provided with and outside fix hole 7121 one_to_one corresponding Fixed plate location hole 522.

Being additionally provided with ventilation on connector 630 to step down portion 635 and connect with the suction hole being applicable to piston 620 The through-flow portion of air-breathing 634, connect post 633, air-breathing is through-flow portion 634 and the ventilation portion 635 that steps down one-body molded, Which simplify processing and assembling procedure.Wherein, in the through-flow portion of air-breathing 634 ensure that entrance compression case body Low-pressure gas can by connector enter piston 620 suction hole, then by inlet valve enter compression Chamber.The ventilate portion 635 that steps down reduces windage when moving parts 600 runs, thus improves compressor Performance.

As shown in figure 12, piston gas force change within a working cycle meets equation below: $F_g\left(t\right)=\frac{2a_{1}T}{2\mathrm{\π}s}{y}^{\′}\left(t\right)-\frac{2b_1}{s}y\left(t\right)+F_0;$ Wherein, definition $k_g=\frac{2b_1}{s},$ k_gFor the equivalence of gas force in cycle T Gas stiffness.

Specifically, piston periodic function of its muscle power within a cycle is expressed as fourier series and is:

Ignoring the impact of the above harmonic wave of secondary, gas force linearly turns to:

$F_g\left(t\right)=a_{1}sin\frac{2\mathrm{\π}t}{T}+b_{1}cos\frac{2\mathrm{\π}t}{T}+F_0---\left(1\right)$

Wherein:

$a_1=\frac{2}{T}{\∫}_0^T{F}_g\left(t\right)sin\frac{2\mathrm{\π}t}{T}d\left(t\right)---\left(2\right)$

$b_1=\frac{2}{T}{\∫}_0^T{F}_g\left(t\right)cos\frac{2\mathrm{\π}t}{T}d\left(t\right)---\left(3\right)$

$F_0=\frac{1}{T}{\∫}_0^T{F}_g\left(t\right)d\left(t\right)---\left(4\right)$

Piston is reciprocating with stroke s in cylinder, relative to reciprocal center displacement as shown in figure 13, can table It is shown as equation below

$y\left(t\right)=-\frac{s}{2}cos\frac{2\mathrm{\π}t}{T}---\left(5\right)$

Formula (2)-formula (5) is substituted into formula (1):

$F_g\left(t\right)=\frac{2a_{1}T}{2\mathrm{\π}s}{y}^{\′}\left(t\right)-\frac{2b_1}{s}y\left(t\right)+F_0---\left(6\right)$

Definition

$k_g=\frac{2b_1}{s}---\left(7\right)$

As preferably or alternatively embodiment, every flat spring of flat spring assembly is in the axial side of piston Rigidity upwards meets formula:

ω_n=[(nk_m+k_g)(m_s+m_ss+m_d+m_sd)]/[(m_s+m_ss)(m_d+m_sd)].In formula:

k_mFor the every flat spring 711 rigidity on the axial direction of piston 620；N is flat spring 711 Sheet number；nk_mFor all of flat spring 711 global stiffness on the axial direction of piston 620；k_gFor Gas equivalent stiffness in compression chamber；m_sFor fixing the stationary parts quality being connected with air cylinder structure；m_ss For the quality in n sheet flat spring 711 equivalence to stationary parts；m_dFor the motion portion being fixedly connected with the piston Part quality；m_sdFor the equivalence of n sheet flat spring 711 to heavy moving parts；ω_nFor vibration of compressor system Natural frequency.

Quality (the m of comprehensive Design compressor assembly_s+m_ss+m_d+m_sd) and all of flat spring at the axle of piston Global stiffness nk on direction_m, it is ensured that vibration of compressor system frequency ω_nWith compressor operating requirement Frequencies omega is consistent, so that compressor efficiency is maximum.

The invention still further relates to a kind of air-conditioner, including the compressor of any of the above-described embodiment.

The cylinder assembly of the present invention, compressor and air-conditioner, realize cylinder assembly by arranging assembling structure Assembling, and guide pillar is placed in cylinder guide hole, the length of guide pillar is more than the degree of depth of cylinder guide hole, it is ensured that pressure Contracting machine is in operation process, and air cylinder structure is suspended in cylinder shelf structure all the time, and air cylinder structure can be adaptive to The position of piston, thus during ensure that compressor assembling, piston has preferable axiality with cylinder, from And reduce the inordinate wear between piston and air cylinder structure, reduce the friction between piston and air cylinder structure Loss, improves the performance of compressor.

Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and Improving, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be with appended Claim is as the criterion.

Claims (14)

1. a cylinder assembly, it is characterised in that including:

Cylinder shelf structure (100), described cylinder shelf structure (100) is provided with cylinder mounting holes (110)；

Air cylinder structure (200), described air cylinder structure (200) is provided with and described cylinder mounting holes (110) Corresponding cylinder guide hole (210)；And

Assembling structure (300), described assembling structure (300) includes leading of trip bolt (320) and hollow Post (310), described guide pillar (310) is placed in described cylinder guide hole (210), and described guide pillar (310) Length more than the degree of depth of described cylinder guide hole (210)；

Described trip bolt (320) runs through the hollow space of described guide pillar (310) and described cylinder mounting holes (110) match, thus described air cylinder structure (200) is fixed on described cylinder shelf structure (100).

Cylinder assembly the most according to claim 1, it is characterised in that described cylinder guide hole (210) The difference of external diameter of diameter and described guide pillar (310) be 0.01mm～0.06mm, described guide pillar (310) The difference of the degree of depth of length and described cylinder guide hole (210) be 0.01mm～0.1mm.

Cylinder assembly the most according to claim 1, it is characterised in that described trip bolt (320) Block face diameter more than the diameter of described cylinder guide hole (210), and the block face of described trip bolt (320) Diameter is at least 0.5mm with the difference of the diameter of described cylinder guide hole (210).

4. according to the cylinder assembly described in any one of claim 1-3, it is characterised in that also include that aerofluxus is tied Structure (400), described exhaust structure (400) is fixedly mounted on described air cylinder structure (200).

5. a compressor, it is characterised in that include stator module (500), moving parts (600), Cylinder assembly described in flat spring assembly (700) and any one of claim 1-4；

Described stator module (500) includes motor stator (510) and stator fixed plate (520), described electricity Machine stator (510), described stator fixed plate (520) are successively set on described cylinder shelf structure (100), Fixed plate fixing hole (521), described cylinder shelf structure (100) it is provided with on described stator fixed plate (520) On be provided with cylinder frame fixing hole (120) corresponding with described fixed plate fixing hole (521), described stator pack Part (500) is by sequentially passing through described fixed plate fixing hole (521) and described cylinder frame fixing hole (120) First fixed structure (530) is fixed on described cylinder shelf structure (100)；

Described moving parts (600) includes electric mover (610) and piston (620), described piston (620) One end and described electric mover (610) fixing is connected, described in the other end of described piston (620) is embedded in In cylinder assembly, form compression chamber (880), described motor with the inwall of described air cylinder structure (200) Mover (610) is placed on the Guan Bi alternation magnetic circuit that described motor stator (510) is formed, and described motor Mover (610) can drive described piston (610) to move reciprocatingly relative to described cylinder assembly；

Described flat spring assembly (700) is fixed on described moving parts (600), and described flat spring Assembly (700) is fixing with described stator module (500) to be connected.

Compressor the most according to claim 5, it is characterised in that described moving parts (600) is also Including connector (630), described connector (630) and described electric mover (610), described piston (620) Fixing connection, described flat spring assembly (700) is arranged on described connector (630).

Compressor the most according to claim 6, it is characterised in that described connector sets on (630) It is equipped with connector fixing hole (631), described electric mover (610) is provided with and described connector fixing hole (630) corresponding mover fixing hole (611), described piston (620) is provided with solid with described mover Determining the piston fixing hole (621) that hole (611) is corresponding, described connector (630) is by sequentially passing through State connector fixing hole (631), described mover fixing hole (611) and described piston fixing hole (621) Second fixed structure (640) is fixed on described moving parts (500).

Compressor the most according to claim 6, it is characterised in that described flat spring assembly (700) Including multiple flat springs (710), multiple described flat springs (710) overlap each other setting, described flat spring (710) Including two elastic arms (711) with for installing the fixed part (712) of location；

Article two, the structure of described elastic arm (711) is identical, by some tangent to isocentric circular arc or eccentric arc Form；Described some isocentric circular arc or eccentric arc radius from inside to outside are gradually increased, all of described with The center of circle of heart circular arc or eccentric arc is all on same straight line, and is positioned at concentric circular described in a pair of outmost turns Arc or eccentric arc are not more than half-turn, and remaining is half-turn to described isocentric circular arc or eccentric arc；

Article two, the initial end of described elastic arm (711) is tangent, and its junction is provided with an interior fixing hole (7110), two described elastic arms (711) are uniformly distributed centered by described interior fixing hole (7110), and Article two, the gap between described elastic arm (711) is more than 0.1～0.5 times of thickness of described elastic arm (711)；

Article two, the end of described elastic arm (711) connects described fixed part (712) respectively.

Compressor the most according to claim 8, it is characterised in that described fixed part (712) is one Circular ring for fixing；

Described interior fixing hole (7110) is positioned at the center of described fixed part (712), two described elastic arms (711) With the center of described fixed part (712) as initiating terminal, extension of spiraling to the periphery of described fixed part (712)； Article two, the end of described elastic arm (711) is connected by arc transition with described fixed part (712) respectively； Extenal fixation hole (7120) it is provided with on described fixed part (712).

Compressor the most according to claim 9, it is characterised in that described connector (630) is upper also It is provided with and is applicable to the connection post (633) suitable with described interior fixing hole (7110), multiple described plate bullets Spring (710) is sequentially sleeved in connection post (633) by described interior fixing hole (7110), and described plate Spring assembly (700) is connected by the 3rd fixed structure (720) and described connector (630) are fixing；

It is provided with on described stator fixed plate (520) and fixes one to one with described extenal fixation hole (7120) Plate bolt hole (523), described flat spring assembly (700) is by sequentially passing through multiple described flat spring (710) On extenal fixation hole (7120) and the 4th fixed structure (540) of described fixed plate screw hole (523) solid It is scheduled on described stator module (500).

11. compressors described in-10 any one according to Claim 8, it is characterised in that multiple described plate bullets Being provided with pad between spring (710), described pad is respectively arranged on described interior fixing hole (7110) place Internal gasket (740) and be arranged on the outer pad (750) at described extenal fixation hole (7120) place.

12. according to the compressor described in any one of claim 6-10, it is characterised in that described connector (630) On be additionally provided with ventilation and step down portion (635) and be applicable to the suction that connects with the suction hole of described piston (620) Gas is through-flow portion (634).

13. according to the compressor described in any one of claim 5-10, it is characterised in that described piston (620) Gas force change within a working cycle meets equation below: Wherein, definitionk_gFor the effective gas rigidity of gas force in cycle T.

14. 1 kinds of air-conditioners, it is characterised in that include the compressor described in any one of claim 5-13.