CN201218205Y - Scroll compressor - Google Patents
Scroll compressor Download PDFInfo
- Publication number
- CN201218205Y CN201218205Y CNU2008200486908U CN200820048690U CN201218205Y CN 201218205 Y CN201218205 Y CN 201218205Y CN U2008200486908 U CNU2008200486908 U CN U2008200486908U CN 200820048690 U CN200820048690 U CN 200820048690U CN 201218205 Y CN201218205 Y CN 201218205Y
- Authority
- CN
- China
- Prior art keywords
- revolution
- scroll
- frame
- end plate
- vortex
- 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 - Fee Related
Links
- 239000002245 particle Substances 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000002788 crimping Methods 0.000 claims description 15
- 239000000314 lubricant Substances 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 7
- 239000003507 refrigerant Substances 0.000 abstract description 4
- 238000005452 bending Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 abstract description 2
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000005266 casting Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
Images
Landscapes
- Rotary Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The utility model relates to a scroll compressor. The air compressor comprises an revolution vortex piece, a cross slip ring, a driving shaft with an eccentric part and a rack for supporting the revolution vortex piece and the driving shaft, wherein the rack is provided with a separation plate for separating suction pressure and exhaust pressure, more than three columnar steps are annularly arranged on one side matched with the revolution vortex piece, and the columnar steps are higher than the thickness of an end plate arranged on the revolution vortex piece. The utility model can effectively reduce the bending moment of the fastening bolt of the frame, and the requirement of bolt strength is reduced on the basis of not reducing the requirement of reliability and durability of the compressor; the non-revolution scroll does not incline when working; the concave parts arranged on the partition plate can contain partial liquid (including liquid refrigerant and redundant oil) and solid particles brought by suction gas, reduce the lubricating oil disturbance of the thrust surface of the cross slip ring and the frame, and improve the working efficiency and reliability of the compressor.
Description
Technical field
The utility model relates to a kind of scroll compressor, particularly a kind of scroll compressor that can effectively reduce the fastening nut moment of flexure of frame and make the not run-off the straight of when work of non-revolution scroll.The renovation technique that belongs to scroll compressor.
Background technique
Existing scroll compressor is included in the non-revolution scroll that base plate is provided with the vortex shape crimping, be provided with the vortex matter revolution of vortex shape crimping with end plate, two scroll mesh configuration in opposite directions, by dwindling a plurality of pressing chambers that are formed between mutual crimping successively, compression enters the fluid in the scroll compressor.During for the assurance compressor operating, vortex shape crimping top is in reasonable applying all the time, in addition, also wish trapped fuel, liquid refrigerant in active chamber, or when solid particle was arranged, the vortex shape crimping can be drawn back and be allowed, unlikely damage compressor, the reliability of raising compressor operating.During design, generally the non-revolution scroll is set to axial elasticity.
The structural representation of existing scroll compressor as shown in Figure 5, the end plate 106a of non-revolution scroll 106 is by pilot pin 104, be connected on the frame 103 with nut 105, it is general concordant with the top 106b of vortex shape crimping that end plate 106a is provided with the position, its suffered gas force, as radial gas power and tangential gas force, the main power that is produced by the fastening nut 105 of frame 103 is come balance.And this power can generation be the moment of flexure of point of action with frame 103 end faces to nut 105, because the arm of force is long, makes that nut 105 suffered moments of flexure are bigger, requires the intensity of nut 105 higher, cause cost to increase, and effect is bad.
Another problem of existing scroll compressor is: the non-revolution scroll 106 suffered power of toppling effect distance H increase with vortex shape height of flange h, and the result causes tilting moment to increase.Non-revolution scroll 106 toppled moment and run-off the straight, the vortex shape rolled edge deformity and the leakage that cause.In addition, in the course of the work, lubricant oil has the effect that reduces cross slip ring 107 and revolution scroll 108 and 103 fretting wears of frame.But when a large amount of lubricant oil flow through frame thrust surface 103a, the lubricant oil disturbance of cross slip ring 107 friction had but reduced mechanical efficiency.
The model utility content
The purpose of this utility model be to consider the problems referred to above and provide a kind of simple and reasonable, can effectively reduce the scroll compressor that frame is installed the suffered moment of flexure of nut.In addition, the utility model is by rationally being provided with non-revolution scroll end plate position, make the non-revolution scroll be subjected to gas force after, and not run-off the straight; And take into account the lubricant oil disturbance that reduces cross slip ring and frame thrust surface simultaneously, and improve compressor opposing liquid refrigerant and solid particle, and can reduce working surface, cut down finished cost.
The technical solution of the utility model is: include:
1) non-revolution scroll, it has a base plate and a scrollwork and an end plate that stretches out from base plate downwards, and its vortex shape crimping is arranged on the base plate, and the center line of end plate thickness is by the neutral position of vortex shape height of flange direction;
2) vortex matter revolution, the scrollwork that has an end plate and stretch out from the upper surface of end plate, its vortex shape crimping is arranged on the end plate; The scrollwork of non-revolution scroll is meshed with scrollwork on the scroll and is combined to form a plurality of pressing chambers;
3) cross slip ring is installed on vortex matter revolution and the non-revolution scroll, prevents relatively rotating between vortex matter revolution and the non-revolution scroll;
4) have the live axle of eccentric part, its eccentric part is connected with vortex matter revolution, makes revolution motion to drive vortex matter revolution with respect to the non-revolution scroll;
5) frame is used to support vortex matter revolution and supporting driving shaft, and its mid frame is provided with the demarcation strip of separating pressure of inspiration(Pi) and exhaust pressure, and is provided with column step more than three a side ring shape that cooperatively interacts with the revolution vortex;
The set column step of its mid frame exceeds the thickness of the set end plate of vortex matter revolution.
Above-mentioned frame is at the homonymy of column step, is provided with identically with column step number, is used to take in the recess of air-breathing partially liq of bringing into and solid particle.
Main bearing and lower secondary that above-mentioned live axle is rotatably supported in the frame support in the interior supplementary bearing.
The lower end of above-mentioned live axle is provided with the concentric hole of pumping lubricant oil, and it is communicated with a small diameter bore that extends up to the radially outward inclination of eccentric part.
Above-mentioned live axle passes the coil of stator and press fit over the electric motor rotation driving that the rotor on the live axle is formed by comprising stator.
Above-mentioned rotor has secondary equilibrium block, and main equilibrium block is installed on the live axle.
The end plate of the radial position of the restriction non-revolution scroll that above-mentioned non-revolution scroll is set is connected on the frame column step by nut.
Above-mentioned non-revolution scroll has the discharge passage of a coaxial setting, and passage is communicated with a groove towards upper shed, and groove is communicated with the anechoic chamber that is limited by recess and groove.
Above-mentioned groove and black box limit the axial pressure chamber jointly, and this pressure chamber accepts the pressure fluid that pressing chamber compressed that is meshed and is combined to form by the scrollwork of non-revolution scroll and scrollwork on the scroll.
The lower surface of the set end plate of above-mentioned vortex matter revolution stretches out downwards, and a sliding bearing is housed in it, and the eccentric part of live axle is installed in the sliding bearing rotationally.
The utility model is owing to adopt the set column step of frame to exceed the structure of the set end plate thickness of vortex matter revolution, so can effectively reduce the fastening nut moment of flexure of frame, on reliability that does not reduce compressor and durability requirement basis, the nut requirement of strength reduces; And not run-off the straight when realizing making the work of non-revolution scroll; Be arranged on the recess on the demarcation strip, can hold air-breathing partially liq of bringing into (comprising liquid refrigerant and unnecessary oil) and solid particle, reduce the lubricant oil disturbance of cross slip ring and frame thrust surface, improve the efficient and the reliability of compressor operating, these recesses are by casting, having reduced needs working surface, has also reduced processing charges simultaneously.
Description of drawings
Fig. 1 is the vertical cross section of the utility model swirl type cold compressor;
Fig. 2 is the main fragmentary cross-sectional view that shows frame column shoulder height among Fig. 1;
Fig. 3 is the stereogram of Fig. 1 mid frame;
Fig. 4 is the stereogram of the non-revolution scroll among Fig. 1
Fig. 5 is the sectional drawing of prior art frame and the assembling of non-revolution scroll.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment the utility model is further described.
Structural representation of the present utility model as shown in Figure 1, scroll compressor 1 comprises the main casing 2 of a general cylindrical, the top of main casing 2 is welded with a upper shell 3, outwards outstandingly in the middle of the top of upper shell 3 forms a cup-shaped recess 4.The bottom of main casing 2 is welded with a base 5, and a plurality of installation foot (not shown) are installed on the base 5.The recess 4 of upper shell 3 is equipped with a refrigeration agent air guide joint 6, and an air guide joint 8 also is housed on the main casing 2, and exhaust manifolds 7 one ends are installed in the joint 6, and the other end is installed in the joint 8.Other critical piece that is fixed on the main casing 2 comprises: frame 10, and it suitably is fixed on the main casing 2; A pair that is fixed on main casing 2 bottoms supports 12, and it has the leg that many radially outwards stretch out, and every leg also suitably is fixed on the main casing 2.Motor stator 13 with cardinal principle square cross section press fit in the main casing 2, therefore owing to formed path between square-section and circular section.An oil return flat tube 14 is installed in the spill port 15 of frame 10.
In addition, the utility model also comprises array structure down:
Its top has the live axle 20 of eccentric part 22, is rotatably supported in the main bearing 11 and the supplementary bearing 16 in the lower secondary support 12 in the frame 10.There is a concentric hole 28 that diameter is bigger the lower end of live axle 20, and it is communicated with a smaller diameter bore 30 that extends up to the radially outward inclination at bent axle top.Main casing is equipped with lubricant oil in 2 bottoms, and concentric hole 28 to the pumping of the top of bent axle 20, makes lubricant oil enter small diameter bore 30 lubricant oil as a pump, and finally arrives and need all parts of lubricating in the compressor.
The cylindrical upper section 41 of frame 10 defines a flat thrust shaft bearing surface 43, and its upper support a vortex matter revolution 44, the scrollwork 46 that scroll 44 has a common end plate and stretches out from the upper surface of end plate.Cylindrical bosses is stretched out downwards from the lower surface of the end plate of vortex matter revolution 44, and a sliding bearing 48 is housed in it, and the eccentric part 22 of live axle 20 is installed in the bearing rotationally.
A non-revolution scroll 54, it has a base plate 54b and a scrollwork that from then on stretches out 56 downwards, and scrollwork 56 is positioned to be meshed with scrollwork 46 on the scroll 44.Non-revolution scroll 54 has the discharge passage 65 of a coaxial setting, and passage 65 is communicated with a groove 67 towards upper shed, and groove 67 is communicated with the anechoic chamber 69 that is limited by recess 4 and groove 67.Groove 67 and the black box common axial pressure chambers that limit 73, this pressure chamber accepts the pressure fluid by scrollwork 56 compressions of scrollwork on the scroll 44 46 and non-revolution scroll 54, so that apply an axial pressure, force corresponding scrollwork 46 and 56 top and relative end sheet surface to constitute sealed engagement thus to non-revolution scroll 54.
A partition ring 66 is installed on vortex matter revolution 44 and the non-revolution scroll 54, prevents relatively rotating between vortex matter revolution 44 and the non-revolution scroll 54.
Be provided with end plate 54a in the middle of the vortex shape crimping 56 periphery short transverses of non-revolution scroll 54, as shown in Figure 4, be connected on the frame column step 10b, the radial position of restriction non-revolution scroll 54 by nut 9.
As can be seen from Figure 2, the height of the column step 10b of frame 10 exceeds the end plate thickness 44a of the vortex matter revolution 44 that is installed on the rack support face 41, and close periphery on demarcation strip 10a, be 360 ° of even contour layouts, show as Fig. 3, suffered radial gas power and tangential gas force during non-revolution scroll 54 work, bear by frame nut 9, the acting force arm of nut 9 stressed generation moments of flexure shortens greatly, thereby effectively reduce the nut moment of flexure, the nut requirement of strength reduces, low the subtracting of realization nut cost.
In addition, can know from Fig. 3 and to see, on the demarcation strip 10a of frame 10, be provided with recess 10c the same number of with column step 10b, casting, in compressor operation, can play and hold the air-breathing small amount of liquid refrigeration agent of bringing into, unnecessary oil and solid particle, reduce the lubricant oil disturbance of cross slip ring 66 and frame thrust surface 10d, improve the efficient and the reliability of compressor operating.
Know from Fig. 4, during 54 work of non-revolution scroll, suffered radial gas power and tangential gas force are made a concerted effort, be the suffered power of toppling of non-revolution scroll 54, the end plate 54a of its point of action by being provided with in the middle of the vortex shape crimping 56 periphery short transverses of non-revolution scroll 54, so non-revolution scroll 54 suffered tilting moments are 0, produce when having avoided 54 work of non-revolution scroll, reduce the distortion and the leakage of vortex shape crimping 56.
As top abundant explanation, the rack construction of this scroll compressor is after assembling is finished, compressor operating is in service, the connected nut 9 that can make frame 10 decisive range of stress by bending shortens greatly, effectively reduce connected nut 9 suffered moments of flexure, the reduction of nut 9 requirement of strength, cost are reduced; And not run-off the straight when making non-revolution scroll 54 work, reduce distortion and leakage between the vortex shape crimping 56, promote the working efficiency of compressor; Simultaneously, the recess 10c of casting on the frame 10 in compressor operation, can play and hold the air-breathing small amount of liquid refrigeration agent of bringing into, unnecessary oil and solid particle, reduce the lubricant oil disturbance of cross slip ring 66 and frame thrust surface 10d, improve the efficient and the reliability of compressor operating.
Claims (10)
1, a kind of scroll compressor includes:
1) non-revolution scroll (54), it has a base plate (54b) and a scrollwork (56) and an end plate (54a) that stretches out from base plate (54b) downwards, its vortex shape crimping (56) is arranged on the base plate (54b), and the center line of end plate (54a) thickness is by the neutral position of vortex shape crimping (56) short transverse;
2) vortex matter revolution (44), the scrollwork (46) that has an end plate (44a) and stretch out from the upper surface of end plate (44a), its vortex shape crimping (46) is arranged on the end plate (44a); The scrollwork (56) of non-revolution scroll (54) is meshed with scrollwork (46) on the scroll (44) and is combined to form a plurality of pressing chambers;
3) cross slip ring (66) is installed on vortex matter revolution (44) and the non-revolution scroll (54), prevents relatively rotating between vortex matter revolution (44) and the non-revolution scroll (54);
4) have the live axle (20) of eccentric part (22), its eccentric part (22) is connected with vortex matter revolution (44), makes revolution motion to drive vortex matter revolution (44) with respect to non-revolution scroll (54);
5) frame (10), be used to support vortex matter revolution (44) and supporting driving shaft (20), its mid frame (10) is provided with the demarcation strip (10a) of separating pressure of inspiration(Pi) and exhaust pressure, and is provided with column step (10b) more than three a side ring shape that cooperatively interacts with the revolution vortex;
It is characterized in that: the set column step of frame (10) (10b) exceeds the set end plate of vortex matter revolution (44) (44a) thickness.
2, scroll compressor according to claim 1, it is characterized in that the homonymy of above-mentioned frame (10) at column step (10b), be provided with identically, be used to take in the recess (10c) of air-breathing partially liq of bringing into and solid particle with column step (10b) number.
3, scroll compressor according to claim 1 is characterized in that main bearing (11) and lower secondary that above-mentioned live axle (20) is rotatably supported in the frame (10) support in (12) interior supplementary bearing (16).
4, scroll compressor according to claim 1 is characterized in that the lower end of above-mentioned live axle (20) is provided with the concentric hole (28) of pumping lubricant oil, and it is communicated with a small diameter bore (30) that extends up to the radially outward inclination of eccentric part (22).
5, scroll compressor according to claim 1 is characterized in that above-mentioned live axle (20) by comprising stator (13), passes the coil (34) of stator and press fit over the electric motor rotation driving that the rotor (36) on the live axle (20) is formed.
6, scroll compressor according to claim 5 is characterized in that above-mentioned rotor (36) has secondary equilibrium block (40), is equipped with main equilibrium block (38) on the live axle (20).
7, scroll compressor according to claim 1 is characterized in that the end plate (54a) of the radial position of the restriction non-revolution scroll (54) that above-mentioned non-revolution scroll (54) is set is connected on the frame column step (10b) by nut (9).
8, according to each described scroll compressor of claim 1 to 7, it is characterized in that above-mentioned non-revolution scroll (54) has the discharge passage (65) of a coaxial setting, passage (65) is communicated with a groove towards upper shed (67), and groove (67) is communicated with the anechoic chamber (69) that is limited by recess (4) and groove (67).
9, scroll compressor according to claim 8, it is characterized in that above-mentioned groove (67) and black box (73) limit the axial pressure chamber jointly, this pressure chamber accepts the pressure fluid that pressing chamber compressed that is meshed and is combined to form by the scrollwork (56) of non-revolution scroll (54) and scrollwork (46) on the scroll (44).
10, scroll compressor according to claim 9, the lower surface that it is characterized in that the set end plate of above-mentioned vortex matter revolution (44) (44a) stretches out downwards, a sliding bearing (48) is housed in it, and the eccentric part (22) of live axle (20) is installed in the sliding bearing (48) rotationally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200486908U CN201218205Y (en) | 2008-06-03 | 2008-06-03 | Scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200486908U CN201218205Y (en) | 2008-06-03 | 2008-06-03 | Scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201218205Y true CN201218205Y (en) | 2009-04-08 |
Family
ID=40541042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200486908U Expired - Fee Related CN201218205Y (en) | 2008-06-03 | 2008-06-03 | Scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201218205Y (en) |
-
2008
- 2008-06-03 CN CNU2008200486908U patent/CN201218205Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102094828B (en) | Dual-support rotary type compressor | |
| CN1488861A (en) | Rotary compressor | |
| CN1075170C (en) | Vortex hydraulic mechanism | |
| CN202926624U (en) | Scroll compressor | |
| CN201218205Y (en) | Scroll compressor | |
| CN2821230Y (en) | Novel compressor cylinder | |
| CN2816419Y (en) | Fixing structure of upper bearing and housing of compressor | |
| CN201335003Y (en) | Air compressor | |
| CN101270751A (en) | Scroll compressor having a discharge port | |
| CN104763631A (en) | Vortex refrigeration compressor with sliding and rolling friction pair bent axle supporting structure | |
| CN201486868U (en) | Cylinder fixing mechanism of rotary compressor | |
| CN201202643Y (en) | Revolution vortex piece of vortex compressor | |
| CN2782989Y (en) | Helicoid displacement compressor | |
| CN2821232Y (en) | Liquid storage tank structure of complex rotary compressor | |
| CN220791496U (en) | Bearing overheat protection oil-free vortex air compressor | |
| CN208416938U (en) | A kind of micro-compressor built in liquid storage device | |
| CN207161333U (en) | Lower bearing bracket component and screw compressor for screw compressor | |
| CN204113651U (en) | A kind of vortex compressor | |
| CN217481748U (en) | Double-oil-groove long-service-life compressor crankshaft | |
| CN215333429U (en) | Cylinder of light-weight rotor compressor | |
| CN104295495A (en) | Fully-sealed scroll compressor and assembly method thereof | |
| CN216008795U (en) | Parallel six-star piston compressor | |
| CN214304347U (en) | Compressor assembly, expander assembly and temperature adjusting device | |
| CN100487251C (en) | Compressors muffler | |
| CN2721915Y (en) | Axial servo mechanism of scroll compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Meizhi Precision-Manufacturing Co.,Ltd. Assignor: Midea Group Contract fulfillment period: 2009.7.20 to 2014.7.20 Contract record no.: 2009440000767 Denomination of utility model: Scroll compressor and designing method thereof Granted publication date: 20090408 License type: Exclusive license Record date: 20090724 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.20 TO 2014.7.20; CHANGE OF CONTRACT Name of requester: GUANGDONG MEIZHI PRECISION MANUFACTURING CO., LTD. Effective date: 20090724 |
|
| C56 | Change in the name or address of the patentee |
Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao Road, Shunde, Guangdong, Foshan, Penglai Patentee before: Midea Group |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090408 Termination date: 20140603 |