CN203730313U - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN203730313U CN203730313U CN201420120960.7U CN201420120960U CN203730313U CN 203730313 U CN203730313 U CN 203730313U CN 201420120960 U CN201420120960 U CN 201420120960U CN 203730313 U CN203730313 U CN 203730313U
- Authority
- CN
- China
- Prior art keywords
- scroll
- fixed
- fixed scroll
- latch
- oil circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims description 35
- 239000012530 fluid Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000009421 internal insulation Methods 0.000 claims description 2
- 230000003068 static effect Effects 0.000 abstract 2
- 230000007246 mechanism Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Abstract
The utility model relates to a scroll compressor and aims to prevent a bolt part in the scroll compressor from breaking away from the opening of a static scroll plate. The technical scheme is as follows: when the length of the bolt part (1) in the inserting direction is L, and the relative distance between the opening surface of the opening part (7) of the static scroll plate (40) and the inner peripheral surface (8) of a machine enclosure (11) is S, the relation that L is greater than S is met.
Description
Technical field
The utility model relates to a kind of scroll compressor, particularly a kind of measure that prevents that lubricant oil from leaking out from the compressing mechanism of scroll compressor.
Background technique
Up to the present, the scroll compressor that convection cell compresses in fixed scroll and orbiter mesh formed pressing chamber is for known to everybody.In these scroll compressors, some scroll compressors are provided with the inner space of casing are separated to the fixed component for upper space and lower space as disclosed in patent documentation 1.Fixed scroll is fixed on the upper surface of this fixed component.This fixed scroll is towards the upper space of casing.The orbiter being connected with live axle is arranged between fixed scroll and fixed component and can rotates freely.In pressing chamber, compressed fluid is towards the lower space ejection of casing.
Can imagine: in this scroll compressor, via the oil circuit of the oil circuit of live axle inside, the oil circuit of fixed component inside and fixed scroll inside, by being formed on the lubricant oil of storing in the store oil portion of bottom of shell, feed to the slip surface between fixed scroll and orbiter.
Here, in the situation that be communicated with the opening portion of the upper space of oil circuit and casing, be formed on the outer circumferential face of fixed scroll, in fixed scroll, latch inserted to this opening portion so that lubricant oil does not leak outside.
Patent documentation 1: Japanese Laid-Open Patent Publication JP 2012-117519 communique
-model utility technical problem to be solved-
Yet, as mentioned above, because compressed fluid sprays towards lower space in pressing chamber, so can produce pressure difference between this lower space and the upper space without fluid ejection.Because the lubricant oil in the store oil portion of the lower space of high pressure circulates in oil circuit, so the pressure ratio upper space in this oil circuit is high.Because the outer side surface of the latch in oil circuit is to upper space, so also with regard to existing that latch is easily pushed by extreme pressure lubricant and towards the upper space of low pressure such problem that comes off.
Model utility content
The utility model is just for having addressed the above problem.Its object is: prevent that the latch in scroll compressor from coming off from the opening portion of fixed scroll.
-for the technological scheme of technical solution problem-
The model utility of first aspect be take a kind of scroll compressor as prerequisite.It is included in casing that bottom is formed with store oil portion, by the internal insulation of described casing be upper space and lower space fixed component, be fixed on the upper surface of described fixed component fixed scroll, be installed in the orbiter that can rotate between described fixed component and described fixed scroll, the compressed fluid of pressing chamber forming in the engagement of described fixed scroll and described orbiter is towards the lower space ejection of described casing.Described fixed scroll have for the lubricant oil of described store oil portion is fed to and this fixed scroll and described orbiter between the scroll side of slip surface for oil circuit, on the outer circumferential face of the upper space towards described casing, be formed with the opening portion being communicated with for oil circuit with described scroll side.Latch is inserted in the opening portion of described fixed scroll.When establishing the length of described latch in direction of insertion, be L, when the relative distance between the opening surface of the opening portion of described fixed scroll and the inner peripheral surface of described casing is S, meet the relation of L > S.
In the model utility of first aspect, even latch scroll side in oil circuit by extreme pressure lubricant towards the upper space one side extruding of casing and from the opening portion of fixed scroll out, the end of latch is also can be because of the length of the relative distance ratio latch between the opening surface of described opening portion and the inner peripheral surface of casing short and withstand on casing, and result is that latch can not come off from opening portion.
The model utility of second aspect is such, in the model utility of first aspect, described fixed component have by lubricant oil feed to described scroll side for the fixed component side of oil circuit for oil circuit, described fixed component side is located at described fixed component for the outflow opening of oil circuit and described in this on stationary plane between fixed scroll.Described fixed scroll is fixed on described fixed component, so that the described scroll side being formed on the stationary plane between this fixed scroll and described fixed component supplies the inflow entrance of oil circuit to be communicated with the outflow opening of described fixed component side for oil circuit.The stationary plane of described opening portion and described fixed scroll adjacent be formed on the outer circumferential face of described fixed scroll.Described latch is inserted in described opening portion to maintain the pressure of the planeness of described stationary plane.
In the model utility of second aspect, because even latch is pushed also and can not come off from the opening portion of fixed scroll by extreme pressure lubricant in oil circuit in scroll side, so the brute force that makes the edge of opening of opening portion that very large deformation occur without use is pressed into latch opening portion and is fixed, use the indeformable weak power of edge of opening just can insert latch.The stationary plane with fixed scroll adjacent in the situation that the outer circumferential face of fixed scroll forms opening portion, can towards opening portion, insert latch to maintain the big pressure of planeness of described stationary plane.
-effect of model utility-
According to the utility model, in fixed scroll, make the opening surface of opening portion of latch insertion and the length of the relative distance ratio latch between the inner peripheral surface of casing short, so even latch is deviate from towards the upper space of casing from the opening portion of fixed scroll for the extreme pressure lubricant extruding in oil circuit by scroll side, the end of latch also can withstand on the inner peripheral surface of casing, thereby can prevent that latch from coming off out from opening portion.
So, a part for latch is the state in insertion opening portion all the time, thereby can prevent that lubricant oil from leaking out from opening portion.
According to the model utility of second aspect, in the situation that insert latch to maintain the big pressure of the planeness of stationary plane of fixed scroll towards opening portion, by making, the length of above-mentioned relative distance ratio latch is short also can prevent that latch from coming off from opening portion.
So, in the situation that with the adjacent formation opening portion of stationary plane of fixed scroll, also be to keep the planeness of the stationary plane of fixed scroll can insert latch to opening portion again, by maintaining the planeness of the stationary plane of fixed scroll, just can be through stationary plane by fixed scroll and fixed component close contact fixing reliably.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional view of the related scroll compressor of mode of execution.
Fig. 2 will amplify the longitudinal sectional view representing near the related latch of mode of execution.
Fig. 3 means that the related latch of mode of execution presses closer the figure of the state on the inner peripheral surface of casing.
Fig. 4 is the plan view of a side above of the related fixed scroll of mode of execution.
-symbol description-
1 latch; 2 scroll sides are for oil circuit; 2a the first oilhole; 2b the second oilhole; 2c the 3rd oilhole; 5 fixed component sides are for oil circuit; 10 scroll compressors; 11 casings; 12 trunks; 13 upper end plate; 14 lower end plate; 15 upper spaces; 16 lower space; 17 store oil portions; 21 motors; 23 live axles; 30 compressing mechanisms; 31 pressing chambers; 35 orbiters; 40 fixed scrolls; 50 fixed components.
Embodiment
Below, with reference to accompanying drawing, mode of execution of the present utility model is described in detail.
Fig. 1 means the longitudinal sectional view of the scroll compressor structure that mode of execution of the present utility model is related.Scroll compressor 10 can be connected to for example and carry out in the refrigerant circuit of steam compression type refrigerating circulation in aircondition.Scroll compressor 10 comprises casing 11, fixed component 50, motor 21, live axle 23 and rotary compressor structure 30.
Casing 11 consists of closed at both ends, cylindric seal container that longitudinal size is larger, comprise cylindric trunk 12, be fixed on trunk 12 upper end one sides upper end plate 13, be fixed on the lower end plate 14 of trunk 12 lower end one sides.
The fixed component 50 that the inside of casing 11 is engaged by the inner peripheral surface with casing 11 is divided into upper and lower two-part.The space of fixed component 50 upsides forms upper space 15, and the space of fixed component 50 downsides forms lower space 16.
Suction pipe 18 and spraying pipe 19 are installed on casing 11.Suction pipe 18 runs through the top of upper end plate 13.The suction pipe joint 47 that one end of this suction pipe 18 has with rotary compressor structure 30 is connected.Spraying pipe 19 runs through trunk 12.The lower space 16 of casing 11 is led in the end of this spraying pipe 19.
Motor 21 is arranged in the lower space 16 of casing 11.Motor 21 comprises and forms stator 21a cylindraceous and rotor 21b.Stator 21a is fixed on the trunk 12 of casing 11.Rotor 21b is arranged in the hollow portion of stator 21a.Live axle 23 is fixed on to run through the mode of rotor 21b in the hollow portion of rotor 21b, rotor 21b and live axle 23 one rotations.
Live axle 23 comprises the main shaft part 24 of extending along the vertical direction and the eccentric part 25 that is arranged on main shaft part 24 upsides, and they form as one.The diameter of eccentric part 25 is less than the maximum diameter of main shaft part 24, and the axle center of eccentric part 25 is with respect to axis deviation one predetermined distance of main shaft part 24.The end portion of the main shaft part 24 of live axle 23 (bottom main shaft part 26) is being supported and can rotated freely by near the lower bearing portion 28 being fixed on trunk 12 lower ends of casing 11.Rotatably the 3rd sliding bearing 29c of the bottom main shaft part 26 of supporting driving shaft 23 is arranged in lower bearing portion 28.
Compressing mechanism 30 is the so-called Scrawl compressor structures that comprise orbiter 35 and fixed scroll 40.Fixed scroll 40 utilizes bolton on fixed component 50.So fixed scroll 40 is fixed on the upper surface of fixed component 50.Orbiter 35 is rotatably arranged between fixed scroll 40 and fixed component 50.
Orbiter 35 has the tabular active side end plate portion 36 of approximate circle.Active side vortex body 37 is standing on the upper surface (hereinafter referred to as front surface) that is arranged on this active side end plate portion 36.This active side vortex body 37 is near the wall bodies that extend towards radial outside vortex shape from active side end plate Bu36 center.And lip part 38 is being given prominence on the lower surface (hereinafter referred to as the back side) that is arranged on active side end plate portion 36.
Fixed scroll 40 has the tabular Stationary side end plate portion 41 of approximate circle.Stationary side vortex 42 is standing on the lower surface (being called below front surface) that is arranged on this Stationary side end plate portion 41.This Stationary side vortex 42 be near Stationary side end plate Bu41 center towards radial outside vortex shape extend and with the wall body of active side vortex body 37 engagements of orbiter 35.Between this Stationary side vortex 42 and active side vortex body 37, form pressing chamber 31.That is to say, fixed scroll 40 and orbiter 35 mesh and formation pressing chamber 31.
Fixed scroll 40 has from the outermost wall of Stationary side vortex 42 and starts the outer edge 43 towards radial outside continuity.The lower end surface of this outer edge 43 is fixed on the upper-end surface of fixed component 50.On this outer edge 43, there is the axially open portion 44 towards upper opening.The suction port 34 that the inside of this axially open portion 44 and the most peripheral end of pressing chamber 31 are communicated with is formed on outer edge 43.This suction port 34 is located at the suction position of pressing chamber 31.In addition, the axially open portion 44 in this outer edge 43 is connected with above-mentioned suction pipe joint 47.
In the Stationary side end plate portion 41 of fixed scroll 40, have and be positioned near the ejiction opening 32 that connects above-below direction Stationary side vortex 42 center.The lower end of this ejiction opening 32 is located at the ejection position of pressing chamber 31, and the ejection chamber 46 that is isolated out on the top of fixed scroll 40 is led in the upper end of ejiction opening 32.This ejection chamber 46 is communicated with the lower space 16 of casing 11, but not shown.
Fixed component 50 is approximate circle tubular.The diameter of the outer circumferential face upper portion of fixed component 50 is greater than the diameter of this lower portion.The upper portion of this outer circumferential face is fixed on the inner peripheral surface of casing 11.
Live axle 23 inserts the hollow portion of fixed component 50.Lower portion at hollow portion has bearing portion 53.The main shaft part 24 upper end part rotations of these bearing portion 53 supporting driving shafts 23.This bearing portion 53 is provided with rotatably the second sliding bearing 29b of the main shaft part 24 of supporting driving shaft 23.
Sealed member 55 is entrenched between the upper surface of fixed component 50 and the back side of orbiter 35.The upper portion of hollow portion is separated by sealed member 55 and forms back pressure space 54.Back pressure space 54 is towards the back side of orbiter 35.The lip part 38 of orbiter 35 is positioned at this back pressure space 54.From the eccentric part 25 of the outstanding live axle 23 in the upper end of bearing portion 53, be fastened on this lip part 38, compressing mechanism 30 is being driven and is being rotated by live axle 23.Rotatably the first sliding bearing 29a of the eccentric part 25 of supporting driving shaft 23 is installed on this lip part 38.
< is for oil circuit >
In the bottom of casing 11 lower space 16, be provided with the store oil portion 17 that stores the lubricant oil that the sliding parts of scroll compressor 10 is lubricated.The confession oil circuit 2,5,27 that has the lubricant oil circulation of confession store oil portion 17 on this scroll compressor 10.
In the inside of live axle 23, be formed with for oil circuit 27, this confession oil circuit 27 has along axially extended primary flow path.In the underpart of this live axle 23, be provided with the suction nozzle 60 that lubricant oil is drunk up.Suction port 60a on suction nozzle 60 leads to the store oil portion 17 of casing 11.The ejiction opening of suction nozzle 60 is to be communicated with being connected for the mode of oil circuit 27 and the oil circuit 27 that supplies on live axle 23 on live axle 23.The lubricant oil being drunk up from store oil portion 17 by suction nozzle 60 is through feeding to the 3rd sliding bearing 29c of the first sliding bearing 29a of lip part 38, the second sliding bearing 29b of fixed component 50 and lower bearing portion 28 for oil circuit 27.
For the lubricant oil that the first sliding bearing 29a of lip part 38 is lubricated, flow in the back pressure space 54 of fixed component 50.On fixed component 50, have it with fixed scroll 40 between stationary plane 4b and the fixed component side that is communicated with back pressure space 54 for oil circuit 5.As shown in Figure 2, this fixed component side is located on stationary plane 4b for the outflow opening of oil circuit 5.Helical part 6 is inserted in fixed component side in oil circuit 5.Fixed component side reduces pressure because of this helical part 6 for the lubricant oil of oil circuit 5.
As shown in Figure 2 and Figure 3, in the outer edge 43 of fixed scroll 40 and the outside of Stationary side vortex 42 be formed with the oil groove 9 of ring-type.The slip surface (thrust slip surface) of the peripheral part of the active side end plate portion 36 of the outer edge 43 of fixed scroll 40 and orbiter 35 is lubricated by the lubricant oil that feeds to this oil groove 9.
On fixed scroll 40, have and be communicated with this fixed scroll 40 and the stationary plane 4a of fixed component 50 and the scroll side of endless oil groove 9 for oil circuit 2.This scroll side is located on stationary plane 4a for the inflow entrance of oil circuit 2.Fixed scroll 40 supplies the inflow entrance of oil circuit 2 and fixed component side to supply the mode of the outflow opening of oil circuit 5 to be fixed on fixed component 50 to be communicated with scroll side.That is to say, scroll side is the lubricant oil in store oil portion 17 to be fed to the oil circuit of the slip surface between fixed scroll 40 and orbiter 35 for oil circuit 2; Fixed component side is that lubricant oil is fed to scroll side for the oil circuit of oil circuit 2 for oil circuit 5.
Scroll side has the first oilhole 2a, the second oilhole 2b and the 3rd oilhole 2c for oil circuit 2.The upside of the lower end surface of the first oilhole 2a and fixed scroll 40 outer edges 43 adjacent and along outer edge 43 lower end surface radially extend.One end of the second oilhole 2b arrives the stationary plane 4a of fixed scroll 40, and the other end is communicated with the first oilhole 2a.One end of the 3rd oilhole 2c arrives the slip surface of fixed scroll 40 outer edges 43, and the other end is communicated with the first oilhole 2a.The second oilhole 2b and the 3rd oilhole 2c are towards extending axially.
That is to say, fixed part side is fed to the thrust slip surface of fixed scroll 40 and orbiter 35 for the lubricant oil of helical part 6 decompressions of oil circuit 5 for oil circuit 2 through scroll side.Now, the power towards downside pushing orbiter 35 acts on orbiter 35 by this lubricant oil.
The outer circumferential face of fixed scroll 40 is towards the upper space 15 of casing 11, has from the opening portion 7 close to the stationary plane 4a upside of fixed scroll 40 on the outer circumferential face 49 of fixed scroll 40.This opening portion 7 is communicated with the outer circumferential side end of the first oilhole 2a.The opening surface of this opening portion 7 is relative with the inner peripheral surface 8 of the upper end plate 13 of casing 11.Relative distance between the inner peripheral surface 8 of the opening surface of this opening portion 7 and upper end plate 13 is that radial distance is the S in Fig. 2.
Prevent that scroll side from supplying the latch 1 that the lubricant oil of oil circuit 2 leaks towards casing 11 to insert this opening portion 7.Latch 1 is made by brass.The length of this latch 1 in direction of insertion is the L in Fig. 2, longer than above-mentioned radial distance S.In addition, the material of latch 1 is only an example, can also be by making such as aluminium etc.
Here, because lower space 16 ejections from the fluid of pressing chamber 31 ejection of compressing mechanism 30 towards casing 11, so can and not spray between the upper space 15 of fluid of pressing chamber 31 in this lower space 16, do not produce pressure difference.In the operation process of scroll compressor 10, the pressure ratio lower space 16 of upper space 15 is low.On the other hand, because be arranged in the lubricant oil of the store oil portion 17 of lower space 16, in scroll side, for oil circuit 2, circulate, so scroll side is for pressure ratio upper space 15 height in oil circuit 2.Because insert the opening portion 7 of latch 1 towards upper space 15, the upper space 15 so latch 1 is easily pushed by extreme pressure lubricant towards low pressure comes off.
Even if latch 1 is come off from the opening portion 7 of fixed scroll 40 towards the upper space 15 1 side extruding of casing 11 by extreme pressure lubricant, also can be shorter than the length L of latch 1 because of the relative distance S between the opening surface of opening portion 7 and the inner peripheral surface 8 of casing 11, and can be as shown in Figure 3, the end of latch 1 withstands on casing 11, the bad phenomenon that latch 1 comes off out from opening portion 7 can not occur.
Even if latch 1 is pushed by extreme pressure lubricant in oil circuit 2 in scroll side, this latch 1 can not come off from the opening portion 7 of fixed scroll 40 yet, so there is the brute force of very large deformation without the edge of opening with making opening portion 7, latch 1 be pressed into opening portion 7 and be fixed, by the indeformable weak power of edge of opening, just latch 1 can be inserted.
As present embodiment, adjacent in the situation that form opening portion 7 on the outer circumferential face 49 of fixed scroll 40 at the stationary plane 4a with fixed scroll 40, can latch 1 be inserted to opening portion 7 to maintain the big pressure of planeness of described stationary plane 4a.Particularly, with
magnitude of interference to 50 μ m left and right is pressed into opening portion 7 lightly by latch 1.In addition, being gently pressed into of latch 1 is example, can also utilize the Spielpassung that lubricant oil can not leak that latch 1 is fitted in opening portion 7.
While watching from section perpendicular to axial direction, the height of this opening portion 7 forms highlyer than the first oilhole 2a.Doing like this, is in order to prevent latch 1 from inserting too far opening portion 7, the opening of the second oilhole 2b to be stopped up to such bad phenomenon to occur.
-working condition-
After motor 21 energisings of scroll compressor 10, live axle 23 will rotate together with rotor 21b, and orbiter 35 can carry out eccentric rotary centered by the axle center of live axle 23.The volume of pressing chamber 31 is accompanied by the eccentric rotary of this orbiter 35 and repeats periodically increase and decrease.
Particularly, after live axle 23 rotations, refrigeration agent is from suction port 34 inspiration pressing chambers 31.Be accompanied by live axle 23 rotations, pressing chamber 31 is closed.Be accompanied by live axle 23 and be further rotated, the volume of pressing chamber 31 starts to dwindle, and the refrigeration agent in pressing chamber 31 just starts compressed.
Afterwards, the volume of pressing chamber 31 further dwindles, and when the volume of this pressing chamber 31 narrows down to specified volume, ejiction opening 32 can be opened.The interior compressed refrigeration agent of pressing chamber 31 is ejection chamber 46 ejections towards fixed scroll 40 via this ejiction opening 32.Refrigeration agent in this ejection chamber 46 sprays from spraying pipe 19 through the lower space 16 of casing 11.
Here, under some working state of refrigerant circuit, the suction pressure of scroll compressor 10 can sharply decline, the ejection pressure of scroll compressor 10 can sharply rise, the upper space 15 of casing 11 and the pressure difference between lower space 16 can increase, the latch 1 of inserting the opening portion 7 of fixed scroll 40 has the trend of deviating from towards outside from opening portion 7, but the end of latch 1 can withstand on casing 11, just the bad phenomenon that latch 1 comes off from opening portion 7 can not occur.So, just can there is not the bad phenomenon that lubricant oil leaks out from opening portion 7.
-effect of mode of execution-
According to present embodiment, in fixed scroll 40, the opening surface of opening portion 7 and the relative distance S between the inner peripheral surface 8 of casing 11 that latch 1 is inserted are shorter than the length L of latch 1, so even latch 1 is deviate from towards the upper space 15 of casing 11 from the opening portion 7 of fixed scroll 40 for the extreme pressure lubricant extruding in oil circuit 2 by scroll side, the end of latch 1 also can withstand on the inner peripheral surface 8 of casing 11, thereby can prevent that latch 1 from coming off out from opening portion 7.
So, just can keep a part for latch 1 to insert all the time the state of opening portion 7, thereby prevent that lubricant oil from leaking from opening portion 7.
According to present embodiment, in the situation that towards opening portion 7, insert latch 1 to maintain the big pressure of planeness of the stationary plane 4a of fixed scroll 40, also can be by making above-mentioned relative distance S prevent that than the length L of latch 1 is short latch 1 is omitted from opening portion 7.
So, in the situation that with the adjacent formation opening portion 7 of stationary plane 4a of fixed scroll 40, also be to keep the planeness of the stationary plane 4a of fixed scroll 40 latch can be inserted to opening portion 7 again, by maintaining the planeness of the stationary plane 4a of fixed scroll 40, just can make fixed scroll 40 and fixed component 50 close contacts fixing reliably through stationary plane 4a.
Because can make fixed scroll 40 and fixed component 50 close contacts, so can prevent that lubricant oil from leaking towards upper space 15 from the gap of stationary plane 4a, 4b.So just can prevent thrust slip surface for shortage of oil.
(other mode of execution)
Can adopt in the above-described embodiment following structure.
In the present embodiment, in order to make the intubating length L of latch 1 stipulate the intubating length L of latch 1 than the relative distance S length between fixed scroll 40 and casing 11.But be not limited to this, can also change the shape of fixed scroll 40 outer circumferential faces 49 or the shape of casing 11 inner peripheral surfaces, so that relative distance S is shorter than the length L of latch 1.In this case, be also the same with the utility model, can prevent that latch 1 from coming off from the opening portion 7 of fixed scroll 40.
In addition, above mode of execution is preferred example in essence, does not limit the intention of the utility model, application of the present utility model or purposes scope of the present utility model.
-industrial applicability-
In sum, the utility model relates to a kind of scroll compressor, for preventing that the compressing mechanism of lubricant oil from scroll compressor from leaking, is particularly useful.
Claims (2)
1. a scroll compressor, it is included in the casing (11) that bottom is formed with store oil portion (17), it by the internal insulation of described casing (11), is the fixed component (50) of upper space (15) and lower space (16), be fixed on the fixed scroll (40) of the upper surface of described fixed component (50), be installed in the orbiter (35) that can rotate between described fixed component (50) and described fixed scroll (40), the compressed fluid of pressing chamber (31) forming in the engagement of described fixed scroll (40) and described orbiter (35) is towards lower space (16) ejection of described casing (11), it is characterized in that:
Described fixed scroll (40) has for the lubricant oil of described store oil portion (17) being fed to the scroll side confession oil circuit (2) of the slip surface between this fixed scroll (40) and described orbiter (35), on the outer circumferential face (49) of the upper space towards described casing (11) (15), be formed with the opening portion (7) being communicated with for oil circuit (2) with described scroll side
Latch (1) is inserted in the opening portion (7) of described fixed scroll (40),
When establishing the length of described latch (1) in direction of insertion, be L, when the relative distance between the opening surface of the opening portion (7) of described fixed scroll (40) and the inner peripheral surface (8) of described casing (11) is S, meet the relation of L > S.
2. scroll compressor according to claim 1, is characterized in that:
Described fixed component (50) has the fixed component side confession oil circuit (5) that lubricant oil is fed to described scroll side confession oil circuit (2), described fixed component side is located at described fixed component (50) for the outflow opening of oil circuit (5) and described in this on stationary plane (4b) between fixed scroll (40)
Described fixed scroll (40) is fixed on described fixed component (50), so that the described scroll side being formed on the stationary plane (4a) between this fixed scroll (40) and described fixed component (50) supplies the inflow entrance of oil circuit (2) to be communicated with the outflow opening of described fixed component side for oil circuit (5)
The stationary plane (4a) of described opening portion (7) and described fixed scroll (40) adjacent be formed on the outer circumferential face of described fixed scroll (40),
Described latch (1) is inserted in described opening portion (7) to maintain the pressure of the planeness of described stationary plane (4a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-054696 | 2013-03-18 | ||
| JP2013054696A JP5660151B2 (en) | 2013-03-18 | 2013-03-18 | Scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730313U true CN203730313U (en) | 2014-07-23 |
Family
ID=51200392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420120960.7U Expired - Lifetime CN203730313U (en) | 2013-03-18 | 2014-03-17 | Scroll compressor |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5660151B2 (en) |
| CN (1) | CN203730313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710897A (en) * | 2019-05-24 | 2021-11-26 | 大金工业株式会社 | Scroll compressor having a discharge port |
| CN114738273A (en) * | 2022-04-28 | 2022-07-12 | 广东美芝制冷设备有限公司 | Static scroll plate applied to scroll compressor and scroll compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007138828A (en) * | 2005-11-18 | 2007-06-07 | Hitachi Appliances Inc | Scroll fluid machine and refrigeration cycle device |
| JP5199951B2 (en) * | 2009-06-01 | 2013-05-15 | 日立アプライアンス株式会社 | Scroll compressor |
| WO2012132436A1 (en) * | 2011-03-29 | 2012-10-04 | ダイキン工業株式会社 | Scroll compressor |
-
2013
- 2013-03-18 JP JP2013054696A patent/JP5660151B2/en active Active
-
2014
- 2014-03-17 CN CN201420120960.7U patent/CN203730313U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113710897A (en) * | 2019-05-24 | 2021-11-26 | 大金工业株式会社 | Scroll compressor having a discharge port |
| CN114738273A (en) * | 2022-04-28 | 2022-07-12 | 广东美芝制冷设备有限公司 | Static scroll plate applied to scroll compressor and scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5660151B2 (en) | 2015-01-28 |
| JP2014181563A (en) | 2014-09-29 |
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