CN104421159A - Scroll compressor and thrust device thereof - Google Patents
Scroll compressor and thrust device thereof Download PDFInfo
- Publication number
- CN104421159A CN104421159A CN201310413832.1A CN201310413832A CN104421159A CN 104421159 A CN104421159 A CN 104421159A CN 201310413832 A CN201310413832 A CN 201310413832A CN 104421159 A CN104421159 A CN 104421159A
- Authority
- CN
- China
- Prior art keywords
- thrust
- support
- crankshaft
- oil
- wear plate
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/0021—Systems for the equilibration of forces acting on the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a thrust device. The thrust device comprises crankshaft and a support, wherein a support through hole which is used for the crankshaft to pass through is formed in the support, the crankshaft is provided with a crankshaft thrust surface facing downwards and an oil hole which is communicated with a central oil passage of the crankshaft, and an oil outlet end of the oil hole is arranged above the crankshaft thrust surface; the support is provided with a support thrust surface which faces upwards and is connected with the crankshaft thrust surface. According to the thrust device, the crankshaft is provided with the crankshaft thrust surface, so that the descending trend of a shaft system under the effect of the gravity is avoided under the combined action of the crankshaft thrust surface and the support thrust surface. Oil rises along the central oil passage of the shaft under the effect of an oil guide plate and flows out of the oil hole under the centrifugal effect to flow to the space between the crankshaft thrust surface and the support thrust surface and to flow back to an oil pond, and the blockage of the lubricating oil is avoided; the heat produced by the friction of the crankshaft thrust surface and the support thrust surface as well as a bearing is brought away, so that the bearing can be operated for a long time, and the operation stability of the scroll compressor is relatively high.
Description
Technical field
The present invention relates to compressor apparatus technical field, particularly a kind of scroll compressor and thrust device thereof.
Background technique
Please refer to Fig. 1, Fig. 1 is a kind of structural representation of scroll compressor of the prior art.
In scroll compressor, bent axle 07 drives the orbiter 02 in scroll compressor to rotate, and fixed scroll 01 relative movement with being fixed on the housing 015 of scroll compressor, realizes the compression to gas.Orbiter 02 is connected with cross slip-ring 03, and cross slip-ring 03 and upper bracket 04 are slidably connected, and upper bracket 04 is fixedly connected with housing 015.By the relative movement of cross slip-ring 03 with upper bracket 04, achieve the effect supporting that orbiter 02 rotates.Bent axle 07 is provided with equilibrium block 05 and rotor 06, with the rotation of balance crankshaft 07.
The two ends of bent axle 07 are all rotationally connected by bearing, as shown in Figure 1, and the upper bearing (metal) 016 with close scroll compressor top and the lower bearing 014 be arranged near scroll compressor bottom.Upper bracket 04 has upper through hole, and bent axle 07 upper end is arranged in the upper bracket through hole of upper bracket 04 by upper bearing (metal) 016; Bent axle 07 lower end is arranged in the lower support frame through hole of lower support frame 08 by lower bearing 014.
Because bent axle 07 is relative to the axis being parallel of scroll compressor, scroll compressor is uprightly placed, and in order to avoid axle system declines because of gravity (there are the parts such as bent axle 07, upper bearing (metal) 016, lower bearing 014, equilibrium block 05, rotor 06 in axle system), also comprises thrust device.As shown in Figure 1, in this kind of scroll compressor, thrust device is arranged at the below of lower bearing 014.Thrust device comprises a thrust plate 012 of the below being arranged at lower support frame 08, and fix with bolt 011 and lower support frame 08, the lower end surface of bent axle 07 contacts with thrust plate 012, thus bears the downward gravity of axle system, plays thrust function.
Oilhole 09 is offered at the countershaft neck (namely going deep into the bent axle part of lower support frame through hole) of bent axle 07, oilhole 09 communicates with the center oil circuit on bent axle 07, oil guide piece 013 is provided with in the oil circuit of center, lubricant oil rises in the oil circuit of center from oil sump under the rotary action of oil guide piece 013, and flow out along oilhole 09 under the action of the centrifugal, arrive the surface of contact of countershaft neck and lower bearing 014, thus lubrication lower bearing 014, then flow between the lower end surface of bent axle 07 and thrust plate 012, lubricate.
But, owing to being subject to the obstruction of thrust plate 012, lubricant oil can accumulate in the space between the lower end surface of bent axle 07 and thrust plate 012, can not get back in oil sump smoothly, lubricant oil is caused to intercept, the frictional heat that lower bearing 014 is produced and the spin friction heat between the lower end surface of bent axle 07 and thrust plate 012 can not be pulled away in time, will be unfavorable for the long-time running of lower bearing 014, make scroll compressor operation stability lower.
Therefore, how to avoid lubricant oil to block, improve scroll compressor operation stability, become those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of thrust device, to avoid lubricant oil to block, improve scroll compressor operation stability.Present invention also offers a kind of scroll compressor with above-mentioned thrust device.
For achieving the above object, the invention provides following technological scheme:
A kind of thrust device, comprises bent axle and support, described support has the rack ventilating hole passed for described bent axle,
The oilhole described bent axle having the crankshaft thrust face arranged down and be communicated with the center oil circuit of described bent axle, the oil outlet end of described oilhole is arranged at above described crankshaft thrust face;
Described support has and arranges upward, for the support thrust surface with described crankshaft thrust face connecting part.
Preferably, in above-mentioned thrust device, described bent axle has main journal and countershaft neck, and described countershaft neck is arranged in described support by bearing; The diameter of described main journal is greater than the diameter of described countershaft neck; Described crankshaft thrust face is the ladder surface between described main journal and described countershaft neck.
Preferably, in above-mentioned thrust device, the diameter of described main journal is less than the diameter of described support thrust surface.
Preferably, in above-mentioned thrust device, described support thrust surface is the end face of described support.
Preferably, in above-mentioned thrust device, described support is provided with thrust groove, described support thrust surface is the groove bottom of described thrust groove.
Preferably, in above-mentioned thrust device, in described thrust groove, be provided with thrust wear plate.
Preferably, in above-mentioned thrust device, the internal diameter of described thrust wear plate is greater than the diameter of described rack ventilating hole.
Preferably, in above-mentioned thrust device, the upper surface of described thrust wear plate is provided with oil guide slot.
Preferably, in above-mentioned thrust device, described thrust wear plate is provided with the leakage of oil through hole be communicated with described center oil circuit.
Preferably, in above-mentioned thrust device, the outer wall of described thrust wear plate and the cell wall of described thrust groove offset.
Preferably, in above-mentioned thrust device, the outward edge of described thrust wear plate is provided with positioning convex, described thrust groove has the locating slot matched with described positioning convex.
Preferably, in above-mentioned thrust device, the outward edge of described thrust wear plate has straight flange, described thrust groove has the location wall offseted with described straight flange.
Preferably, in above-mentioned thrust device, the outlet end of described oilhole is provided with the leakage of oil groove extended to described thrust wear plate.
Preferably, in above-mentioned thrust device, the least significant end of described oilhole is 1mm-5mm apart from the span of the distance of described crankshaft thrust face.
Present invention also offers a kind of scroll compressor, have thrust device, described thrust device is the thrust device described in above-mentioned any one.
Preferably, in above-mentioned scroll compressor, described thrust device is arranged at the bent axle lower end of described scroll compressor.
As can be seen from above-mentioned technological scheme, the thrust device that the embodiment of the present invention provides, by machining crankshafts thrust surface on bent axle, and avoids the downward trend under gravity of axle system under the mating reaction of crankshaft thrust face and support thrust surface.Owing to processing oilhole above crankshaft thrust face, the center oil circuit of fluid along axle under the effect of oil guide piece rises and flows out oilhole under the action of the centrifugal, flow between crankshaft thrust face and support thrust surface, and flow back to oil sump by rack ventilating hole or stent outer under gravity, avoid lubricant oil to block; Take away the heat produced because of friction of crankshaft thrust face and support thrust surface and bearing, so that the long-time running of bearing, make scroll compressor operation stability higher.
Present invention also offers a kind of scroll compressor with above-mentioned thrust device, because above-mentioned thrust device has above-mentioned technique effect, the scroll compressor with above-mentioned thrust device also should have same technique effect, introduces no longer one by one at this.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the scroll compressor that Fig. 1 provides for a kind of prior art;
The structural representation of the first thrust device that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the support of the first thrust device that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the second thrust device that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the first support of the second thrust device that Fig. 5 provides for the embodiment of the present invention;
The first structural representation of the first thrust wear plate of the second thrust device that Fig. 6 provides for the embodiment of the present invention;
The first cross-sectional schematic of the first thrust wear plate of the second thrust device that Fig. 7 provides for the embodiment of the present invention;
The second structural representation of the first thrust wear plate of the second thrust device that Fig. 8 provides for the embodiment of the present invention;
The structural representation of the second support of the second thrust device that Fig. 9 provides for the embodiment of the present invention;
The first structural representation of the second thrust wear plate of the second thrust device that Figure 10 provides for the embodiment of the present invention;
The first cross-sectional schematic of the second thrust wear plate of the second thrust device that Figure 11 provides for the embodiment of the present invention;
The second structural representation of the second thrust wear plate of the second thrust device that Figure 12 provides for the embodiment of the present invention;
Figure 13 is the partial enlarged drawing of part A in Fig. 4.
Embodiment
The invention discloses a kind of thrust device, to avoid lubricant oil to block, improve scroll compressor operation stability.Present invention also offers a kind of scroll compressor with above-mentioned thrust device.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of thrust device, bent axle has the crankshaft thrust face arranged and the oilhole be communicated with the center oil circuit of bent axle down, the oil outlet end of oilhole is arranged at above crankshaft thrust face; Support has and arranges upward, for the support thrust surface with crankshaft thrust face connecting part.
The thrust device that the embodiment of the present invention provides, by machining crankshafts thrust surface on bent axle, and avoids the downward trend under gravity of axle system under the mating reaction of crankshaft thrust face and support thrust surface.Owing to processing oilhole above crankshaft thrust face, the center oil circuit of fluid along axle under the effect of oil guide piece rises and flows out oilhole under the action of the centrifugal, flow between crankshaft thrust face and support thrust surface, and flow back to oil sump by rack ventilating hole or stent outer under gravity, avoid lubricant oil to block; Take away the heat produced because of friction of crankshaft thrust face and support thrust surface and bearing, so that the long-time running of bearing, make scroll compressor operation stability higher.
Preferably, oil guide piece is spiral oil guide piece, completes the castering action to the fluid in oil sump by the axial rotation of oil guide piece.
Please refer to Fig. 2 and Fig. 3, the structural representation of the first thrust device that Fig. 2 provides for the embodiment of the present invention; The schematic top plan view of the first thrust device medium-height trestle that Fig. 3 provides for the embodiment of the present invention.
As shown in Figures 2 and 3, in the first embodiment, thrust device comprises bent axle 1 and support 2, the oilhole 12 bent axle 1 being provided with crankshaft thrust face 11 down and being communicated with the center oil circuit of bent axle 1, and the oil outlet end of oilhole 12 is arranged at the top of crankshaft thrust face 11; Support 2 has and arranges upward, for the support thrust surface 21 with crankshaft thrust face 11 connecting part.
In the present embodiment, the fluid in oil sump rises along the center oil circuit of bent axle 1 under the rotation of oil guide piece 4, flows out under the action of the centrifugal along oilhole 12, lubricates crankshaft thrust face 11 and support thrust surface 21 to crankshaft thrust face 11 fuel feeding.Because bearing 3 is installed in the rack ventilating hole of support 2, the lubricant oil of lubrication crankshaft thrust face 11 and support thrust surface 21 can flow into the oil sump of scroll compressor lower cover along the gap of bearing 3 inside (gap between bearing outer ring and bearing inner race), also can flow into oil sump by the space between the rack ventilating hole of support 2 and bent axle 1, effectively prevent the obstruction of lubricant oil in thrust device part; Take away the heat that crankshaft thrust face 11 produces because of friction with support thrust surface 21 and bearing 3, so that the long-time running of bearing 3, make scroll compressor operation stability higher.
In the present embodiment, bent axle 1 has main journal 13 and countershaft neck 14, and countershaft neck 14 is arranged in support 2 by bearing 3; The diameter of main journal 13 is greater than the diameter of countershaft neck 14; Crankshaft thrust face 11 is the ladder surface between main journal 13 and countershaft neck 14.Main journal 13 is coaxially arranged with countershaft neck 14, by processing the axle journal of different diameters on bent axle 1, making the ladder surface between main journal 13 and countershaft neck 14 form crankshaft thrust face 11, effectively facilitating the course of working of crankshaft thrust face 11.
Also can the shaft shoulder or annular projection be set separately, using the sidewall of the shaft shoulder or annular projection as crankshaft thrust face 11.
Enter the gap between crankshaft thrust face 11 and support thrust surface 21 for the ease of lubricant oil, the diameter of main journal 13 is less than the diameter of support thrust surface 21.Lubricant oil is flowed out by oilhole 12, and fall on support thrust surface 21, the gap slipped between crankshaft thrust face 11 and support thrust surface 21 along support thrust surface 21 completes lubrication.Wherein, support thrust surface 21 is loop configuration, and the diameter of above-mentioned support thrust surface 21 is the race diameter of support thrust surface 21.Also support thrust surface 21 can be set to other structures, as square or polygonal, introduce no longer one by one and all within protection domain at this.
Further, countershaft neck 14 is provided with the bearing oil 15 be communicated with center oil circuit, lubricant oil is lubricated to the bearing 3 of colding pressing in countershaft neck 14 with rack ventilating hole by bearing oil 15 under the rotation of oil guide piece 4, and passes back into oil sump along the gap between countershaft neck 14 and rack ventilating hole.
As shown in Figure 3, support thrust surface 21 is the end face of support 2.Countershaft neck 14 is colded pressing in rack ventilating hole by bearing 3, and the ladder surface (i.e. crankshaft thrust face 11) between main journal 13 with countershaft neck 14 contacts with the top (being support thrust surface 21) of support 2, avoid bent axle 1 under gravity move downward trend.
Wherein, because oilhole 12 is above crankshaft thrust face 11, the span of the distance of the least significant end distance crankshaft thrust face 11 of oilhole 12 is 1mm-5mm, so that improve lubrication effect.The least significant end of oilhole 12 is the minimum range of hole wall to crankshaft thrust face 11 of oilhole 12.
Please refer to Fig. 4, the structural representation of the second thrust device that Fig. 4 provides for the embodiment of the present invention.
Thrust device comprises bent axle 1 ' and support 2 ', the oilhole 12 ' bent axle 1 ' being provided with crankshaft thrust face 11 ' down and being communicated with the center oil circuit of bent axle 1 ', and the oil outlet end of oilhole 12 ' is arranged at the top of crankshaft thrust face 11 '; Support 2 ' has and arranges upward, for the support thrust surface 21 ' with crankshaft thrust face 11 ' connecting part.Bent axle 1 ' has main journal 13 ' and countershaft neck 14 ', and countershaft neck 14 ' is arranged in support 2 ' by bearing 3 '; The diameter of main journal 13 ' is greater than the diameter of countershaft neck 14 '; Crankshaft thrust face 11 ' is the ladder surface between main journal 13 ' and countershaft neck 14 '.The diameter of main journal 13 ' is less than the diameter of support thrust surface 21 '.Its structure is identical with the first embodiment, and the beneficial effect drawn is also identical.
Further, countershaft neck 14 ' is provided with the bearing oil 15 ' be communicated with center oil circuit, lubricant oil is lubricated to the bearing 3 ' of colding pressing in countershaft neck 14 ' with rack ventilating hole by bearing oil 15 ' under the rotation of oil guide piece 4 ', and passes back into oil sump along the gap between countershaft neck 14 ' and rack ventilating hole.
As shown in Figure 4, in the second embodiment, in order to improve the rotational stability of bent axle 1 ' and support 2 ', support 2 ' is provided with thrust groove 22 ', support thrust surface 21 ' is the groove bottom of thrust groove 22 '.
In order to improve working life, at support thrust surface 21 ' upper increase thrust wear plate 5 '.Namely thrust wear plate 5 ' is arranged in thrust groove 22 '.Wherein, be understandable that, thrust wear plate 5 ' is ring structure, the size of its endoporus is greater than the diameter of countershaft neck 14 ', the countershaft neck 14 ' making bent axle 1 ' is successively through the rack ventilating hole on the endoporus of thrust wear plate 5 ' and support 2 ', lubricant oil arrives on crankshaft thrust face 11 ' and thrust wear plate 5 ' after being flowed out by oilhole 12 ', and flows in rack ventilating hole along the endoporus of thrust wear plate 5 ', avoids the interference of countershaft neck 14 '.So that lubricant oil is flowed into rack ventilating hole by the endoporus of thrust wear plate 5 ' and is flowed into oil sump.
Preferably, the outer wall of thrust wear plate 5 ' and the cell wall of thrust groove 22 ' offset, to avoid the motion of thrust wear plate 5 ' in thrust groove 22 '.
The diameter of bore of thrust wear plate 5 ' is greater than the diameter of rack ventilating hole, further avoids the obstruction of lubricant oil, improves the smooth degree that oil sump got back to by lubricant oil.
As Fig. 5, Fig. 6 and Fig. 7, in this embodiment, above-mentioned thrust wear plate 5 ' is the thrust wear plate 5a ' in the present embodiment, the upper surface of thrust wear plate 5a ' is provided with oil guide slot 5a2 ', guiding function is played to thrust wear plate 5a ' and the lubricant oil on crankshaft thrust face 11 ', is more conducive to oil return and enters oil sump.
Also can arrange leakage of oil through hole on thrust wear plate 5a ', and leakage of oil through hole is communicated with center oil circuit, thrust wear plate 5a ' enters center oil circuit with the lubricant oil on crankshaft thrust face 11 ' by leakage of oil through hole, and then passes back into oil sump.
Further, the outward edge of thrust wear plate 5a ' is provided with positioning convex 5a1 ', above-mentioned support 2 ' is the support 2a ' in the present embodiment, and thrust groove 22 ' is the thrust groove 2a2 ' in the present embodiment, and support thrust surface 21 ' is the support thrust surface 2a1 ' in the present embodiment.Thrust groove 2a2 ' has the locating slot 2a3 ' matched with positioning convex 5a1 '.As shown in Figure 5 and Figure 8, for the ease of processing, positioning convex 5a1 ' is semi-cylindrical hill, and locating slot 2a3 ' is the semi-circular recesses coordinated with the arc section of semi-cylindrical hill.Also can be processed as positioning convex and the locating slot of other structures, introduce no longer one by one and all within protection domain at this.
As shown in Figure 5 and Figure 8, in another kind of embodiment, above-mentioned thrust wear plate 5 ' is the thrust wear plate 5a in the present embodiment ", thrust wear plate 5a " on do not increase oil guide slot.Only at thrust wear plate 5a " outward edge on be provided with positioning convex 5a1 ", thrust groove 2a2 ' has and positioning convex 5a1 " the locating slot 2a3 ' that matches.Positioning convex 5a1 " and the structure of locating slot 2a3 ' can be identical with the structure of above-described embodiment, also can be set to other structures.
As Fig. 9, Figure 10 and Figure 11, in this embodiment, above-mentioned thrust wear plate 5 ' is the thrust wear plate 5b ' in the present embodiment, the outward edge of thrust wear plate 5b ' has straight flange 5b1 ', above-mentioned support 2 ' is the support 2b ' in the present embodiment, thrust groove 22 ' is the thrust groove 2b2 ' in the present embodiment, and support thrust surface 21 ' is the support thrust surface 2b1 ' in the present embodiment.Thrust groove 2b2 ' has the location wall 2b3 ' offseted with straight flange 5b1 '.Contacted with the cooperation of location wall 2b3 ' by straight flange 5b1 ', avoid the situation that thrust wear plate 5b ' rotates in thrust groove 2b2 '.In the present embodiment, the quantity of straight flange 5b1 ' is 4, and is distributed in the periphery of thrust wear plate 5b '.The straight flange 5b1 ' of other quantity also can be set, introduce no longer one by one at this.
Further, the upper surface of thrust wear plate 5b ' is provided with oil guide slot 5b2 ', guiding function is played to thrust wear plate 5b ' and the lubricant oil on crankshaft thrust face 11 ', is more conducive to oil return to oil sump.
As shown in figs. 9 and 12, in another kind of embodiment, above-mentioned thrust wear plate 5 ' is the thrust wear plate 5b in the present embodiment ", thrust wear plate 5b " on do not increase oil guide slot.Thrust wear plate 5b " outward edge on there is straight flange 5b1 ", thrust groove 2b2 ' has and straight flange 5b1 " the location wall 2b3 ' that offsets.By straight flange 5b1 " contact with the cooperation of location wall 2b3 ', avoid thrust wear plate 5b " situation of rotation in thrust groove 2b2 '.In the present embodiment, straight flange 5b1 " quantity be 4, and be distributed in thrust wear plate 5b " periphery.The straight flange 5b1 of other quantity also can be set ", introduce no longer one by one at this.
As shown in figure 13, the outlet end of oilhole 12 ' is provided with the leakage of oil groove 121 ' extended to thrust wear plate 5 '.So that the lubricant oil flowing into oilhole 12 ' flows to thrust wear plate 5 ' smoothly under the guiding of leakage of oil groove 121 '.
Wherein, because oilhole 12 ' is in the top of crankshaft thrust face 11 ', the span of the distance of the least significant end distance crankshaft thrust face 11 ' of oilhole 12 ' is 1mm-5mm, so that improve lubrication effect.The least significant end of oilhole 12 ' is the minimum range of hole wall to crankshaft thrust face 11 ' of oilhole 12 '.
The embodiment of the present invention additionally provides a kind of scroll compressor, has thrust device, and thrust device is any one thrust device above-mentioned.Because above-mentioned thrust device has above-mentioned technique effect, the scroll compressor with above-mentioned thrust device also should have same technique effect, introduces no longer one by one at this.
In order to shorten oil return path, be preferably arranged at the bent axle lower end of scroll compressor at thrust device.Namely the bearing be arranged in rack ventilating hole is the lower bearing supporting bent axle lower end.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (16)
1. a thrust device, comprises bent axle and support, described support has the rack ventilating hole passed for described bent axle, it is characterized in that,
The oilhole described bent axle having the crankshaft thrust face arranged down and be communicated with the center oil circuit of described bent axle, the oil outlet end of described oilhole is arranged at above described crankshaft thrust face;
Described support has and arranges upward, for the support thrust surface with described crankshaft thrust face connecting part.
2. thrust device as claimed in claim 1, it is characterized in that, described bent axle has main journal and countershaft neck, and described countershaft neck is arranged in described support by bearing; The diameter of described main journal is greater than the diameter of described countershaft neck; Described crankshaft thrust face is the ladder surface between described main journal and described countershaft neck.
3. thrust device as claimed in claim 2, it is characterized in that, the diameter of described main journal is less than the diameter of described support thrust surface.
4. thrust device as claimed in claim 1, it is characterized in that, described support thrust surface is the end face of described support.
5. thrust device as claimed in claim 1, it is characterized in that, described support is provided with thrust groove, described support thrust surface is the groove bottom of described thrust groove.
6. thrust device as claimed in claim 5, is characterized in that, be provided with thrust wear plate in described thrust groove.
7. thrust device as claimed in claim 6, it is characterized in that, the internal diameter of described thrust wear plate is greater than the diameter of described rack ventilating hole.
8. thrust device as claimed in claim 6, it is characterized in that, the upper surface of described thrust wear plate is provided with oil guide slot.
9. thrust device as claimed in claim 6, is characterized in that, described thrust wear plate is provided with the leakage of oil through hole be communicated with described center oil circuit.
10. thrust device as claimed in claim 6, it is characterized in that, the outer wall of described thrust wear plate and the cell wall of described thrust groove offset.
11. thrust devices as described in any one of claim 6-10, it is characterized in that, the outward edge of described thrust wear plate is provided with positioning convex, and described thrust groove has the locating slot matched with described positioning convex.
12. thrust devices as described in any one of claim 6-10, it is characterized in that the outward edge of described thrust wear plate has straight flange, described thrust groove has the location wall offseted with described straight flange.
13. thrust devices as described in any one of claim 6-10, is characterized in that, the outlet end of described oilhole is provided with the leakage of oil groove extended to described thrust wear plate.
14. thrust devices as claimed in claim 1, is characterized in that, the least significant end of described oilhole is 1mm-5mm apart from the span of the distance of described crankshaft thrust face.
15. 1 kinds of scroll compressors, have thrust device, it is characterized in that, described thrust device is the thrust device described in any one of claim 1-14.
16. scroll compressors as claimed in claim 15, it is characterized in that, described thrust device is arranged at the bent axle lower end of described scroll compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413832.1A CN104421159B (en) | 2013-09-11 | 2013-09-11 | Scroll compressor and thrust device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310413832.1A CN104421159B (en) | 2013-09-11 | 2013-09-11 | Scroll compressor and thrust device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104421159A true CN104421159A (en) | 2015-03-18 |
| CN104421159B CN104421159B (en) | 2017-01-18 |
Family
ID=52971056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310413832.1A Active CN104421159B (en) | 2013-09-11 | 2013-09-11 | Scroll compressor and thrust device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104421159B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183392A (en) * | 2021-11-10 | 2022-03-15 | 江苏大学 | Water lubrication bearing suitable for sea water desalination energy recovery all-in-one |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10220377A (en) * | 1997-02-05 | 1998-08-18 | Sanyo Electric Co Ltd | Oil supply device for scroll compressor |
| CN1482365A (en) * | 2002-09-13 | 2004-03-17 | 日立家用电器公司 | Vorticity compression pump |
| CN2816421Y (en) * | 2005-08-15 | 2006-09-13 | 钱永贵 | Room air-conditioner vortex compressor fitted with oil-suction device in crank axle |
| CN201574931U (en) * | 2009-11-09 | 2010-09-08 | 珠海格力电器股份有限公司 | Vortex compressor |
| CN203476709U (en) * | 2013-09-11 | 2014-03-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and thrust device |
-
2013
- 2013-09-11 CN CN201310413832.1A patent/CN104421159B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10220377A (en) * | 1997-02-05 | 1998-08-18 | Sanyo Electric Co Ltd | Oil supply device for scroll compressor |
| CN1482365A (en) * | 2002-09-13 | 2004-03-17 | 日立家用电器公司 | Vorticity compression pump |
| CN2816421Y (en) * | 2005-08-15 | 2006-09-13 | 钱永贵 | Room air-conditioner vortex compressor fitted with oil-suction device in crank axle |
| CN201574931U (en) * | 2009-11-09 | 2010-09-08 | 珠海格力电器股份有限公司 | Vortex compressor |
| CN203476709U (en) * | 2013-09-11 | 2014-03-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Scroll compressor and thrust device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114183392A (en) * | 2021-11-10 | 2022-03-15 | 江苏大学 | Water lubrication bearing suitable for sea water desalination energy recovery all-in-one |
| CN114183392B (en) * | 2021-11-10 | 2024-03-19 | 江苏大学 | Water lubrication bearing suitable for sea water desalination energy recovery all-in-one |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104421159B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202370848U (en) | Rolling rotor compressor | |
| CN203476709U (en) | Scroll compressor and thrust device | |
| CN201368191Y (en) | Novel bearing lubrication structure on planet gear | |
| CN102052397B (en) | Combined rolling bearing and rotary machine | |
| EP3495679A1 (en) | Ball bearing and main shaft device for machine tool | |
| CN104421159A (en) | Scroll compressor and thrust device thereof | |
| TWI345355B (en) | Bearing structure | |
| CN106286223B (en) | A kind of oil-way lubrication system and compressor | |
| CN103115018B (en) | A kind of lubrication of pipeline pump bearing unit and cooling mechanism | |
| CN203146400U (en) | Lubricating and cooling mechanism of pipeline pump bearing assembly | |
| CN203962453U (en) | A kind of bearing | |
| US20110262068A1 (en) | Axle bearing lubricating and cooling system | |
| CN106286225B (en) | A kind of oil pump flow adjustment structure and compressor | |
| CN105041646B (en) | A kind of oil-free vortex air compressor | |
| CN205780333U (en) | A kind of anti-friction bearing | |
| CN204664139U (en) | A kind of powder metallurgy oil-impregnated bearing increasing oil reserve | |
| CN103322396B (en) | Disk centrifuge high-speed bearing lubricating fitting | |
| US10746227B2 (en) | Ball bearing and main shaft device for machine tool | |
| CN208268381U (en) | A kind of gear-box | |
| WO2020012169A1 (en) | Bearing cage | |
| JP6766461B2 (en) | Compressor that can limit the lubrication of bearings | |
| CN204827932U (en) | Scroll compressor upper bracket and have its scroll compressor | |
| CN104653459A (en) | Compressor | |
| CN103486046A (en) | Lower support mechanism for scroll compressor | |
| CN207437335U (en) | A kind of rotor external supporting structure of plunger pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |