CN105485017A - Mounting structure of thrust bearing and vortex-compressor - Google Patents
Mounting structure of thrust bearing and vortex-compressor Download PDFInfo
- Publication number
- CN105485017A CN105485017A CN201610052098.4A CN201610052098A CN105485017A CN 105485017 A CN105485017 A CN 105485017A CN 201610052098 A CN201610052098 A CN 201610052098A CN 105485017 A CN105485017 A CN 105485017A
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- China
- Prior art keywords
- thrust bearing
- assistant support
- mounting structure
- bent axle
- positioning hole
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
Abstract
The invention relates to the technical field of vortex-compressors, in particular to a mounting structure of a thrust bearing and a vortex-compressor. The mounting structure comprises the thrust bearing, a crankshaft and a subsidiary support, the outer wall of the lower portion of the crankshaft is provided with a flange in the peripheral direction, the thrust bearing and the subsidiary support are arranged at the bottom of the crankshaft and are sequentially arranged below the flange, and the subsidiary support and the flange are matched to conduct axial positioning on the thrust bearing; the vortex-compressor comprises a machine shell, the machine shell is internally and coaxially provided with the crankshaft, the subsidiary support and the thrust bearing, the subsidiary support is fixed to a rack, and the crankshaft, the subsidiary support and the thrust bearing are connected through the mounting structure of the thrust bearing. According to the mounting structure of the thrust bearing and the vortex-compressor, the flange is arranged on the crankshaft, the thrust bearing is arranged at the upper end of the subsidiary support, the thrust bearing is positioned through the flange and the subsidiary support, no bolt connection is needed, and the reliability of the thrust bearing is enhanced.
Description
Technical field
The present invention relates to scroll compressor technical field, particularly relate to a kind of mounting structure and scroll compressor of thrust bearing, relate more specifically to a kind of mounting structure and the scroll compressor that thrust bearing are arranged at the thrust bearing of assistant support upper end.
Background technique
Thrust bearing, also known as thrust-bearing, is the special bearing being used for bearing axial force specially, is namely used for the bearing of the power of bearing the direction parallel with axle specially.The thrust bearing of existing scroll compressor is generally positioned at assistant support bottom, and thrust bearing is fixedly connected with slave frame by bolt, ensures the location to thrust bearing.
But this structure by Bolt to position has following shortcoming: (1) is supported by the contact segment of thrust bearing and bent axle lower end surface due to whole axle system, therefore, in the structure that this thrust bearing is connected with assistant support by three bolts, there is very high requirement to three bolt join strengths, otherwise the reliability of thrust bearing will be had influence on; (2) thrust bearing and assistant support are bolted and are also unfavorable for dismantling, and cause the dismantlement work in disassembly-and-assembly machine and maintenance process more loaded down with trivial details; (3) this structure by Bolt to position can allow grease accumulation can not flow back to oil sump in time in the space of thrust bearing and bent axle.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention there is provided a kind of mounting structure and scroll compressor of thrust bearing, bent axle arranges flange, thrust bearing is arranged at assistant support upper end, by flange and assistant support to thrust bearing axially locating, connect without the need to bolt, enhance the reliability of thrust bearing.
(2) technological scheme
In order to solve the problems of the technologies described above, the invention provides a kind of mounting structure and scroll compressor of thrust bearing.
A kind of mounting structure of thrust bearing, comprise thrust bearing, bent axle and assistant support, the outer wall of described bent axle bottom is circumferentially with flange along it, described thrust bearing and assistant support are located at the bottom of described bent axle and are set in turn in the below of described flange, and described assistant support coordinates described thrust bearing axially locating with described flange.
Further, aforementioned thrust bearing is provided with positioning hole, and the upper surface of described assistant support is provided with the positioning boss matched with described positioning hole, and described positioning hole and positioning boss coordinate described thrust bearing radial location.
Further, the quantity of aforementioned positioning hole is at least two, and the quantity of described positioning boss is identical with described positioning hole, and positioning hole described in each is uniformly distributed along the circumference of described thrust bearing, and the position of positioning boss described in each is corresponding with described positioning hole.
Further, the quantity of aforementioned positioning hole and positioning boss is respectively three.
Further, the top of aforementioned auxiliary support is provided with receiving groove, and described thrust bearing is embedded in described receiving groove, and described positioning boss is arranged on the bottom surface of described receiving groove.
Further, the top of aforementioned auxiliary support is provided with receiving groove, and described thrust bearing is embedded in described receiving groove.
A kind of scroll compressor, comprise casing, coaxially in described casing be provided with bent axle, assistant support and thrust bearing, described bent axle and assistant support are individually fixed in described frame, and described bent axle, assistant support and thrust bearing adopt the mounting structure of above-mentioned thrust bearing to be connected.
Further, the upper surface of aforementioned thrust bearing is provided with some grooves be disposed radially.
Further, the bottom of aforementioned bent axle is provided with oil inlet passage, and described oil inlet passage bottom is provided with fuel sucking pipe, and the top sidewall of described oil inlet passage is provided with cross-drilled hole, is provided with the oil guide piece being communicated with described fuel sucking pipe and cross-drilled hole in described oil inlet passage.
Further, the sidewall of aforementioned oil inlet passage is evenly equipped with some return ports vertically.
(3) beneficial effect
Technique scheme of the present invention has following beneficial effect:
The mounting structure of a kind of thrust bearing provided by the invention, comprise thrust bearing, bent axle and assistant support, the outer wall of bent axle bottom is circumferentially with flange along it, thrust bearing and assistant support cover are set in turn in the below of flange, assistant support coordinates with flange thrust bearing axially locating, this mounting structure connects without the need to adopting bolt, can not satisfying the demands because of the join strength of bolt causes thrust bearing unreliable, and, thrust bearing utilizes whole upper surfaces to support, increasing Area of bearing, is that the reliability of thrust bearing strengthens; In addition, due to without the need to adopting bolt to connect, facilitating and thrust bearing is dismantled.
The mounting structure of a kind of thrust bearing provided by the invention, the orientation type of thrust bearing and assistant support comprises at least three kinds: (1) thrust bearing is provided with positioning hole, assistant support is provided with positioning boss, and supported hole and positioning boss cooperation position thrust bearing; (2) thrust bearing is provided with positioning hole, and assistant support upper surface is provided with receiving groove, and receiving groove bottom surface is provided with positioning boss, and thrust bearing is embedded in receiving groove, and supported hole and positioning boss cooperation position thrust bearing; (3) assistant support upper surface is provided with receiving groove, and thrust bearing is embedded in receiving groove, and receiving groove positions thrust bearing, and these three kinds of structures all can realize the quick position for thrust bearing, are conducive to fast dismounting thrust bearing.
A kind of scroll compressor provided by the invention, coaxially in casing be provided with bent axle, assistant support and thrust bearing, bent axle, assistant support and thrust bearing adopt the mounting structure of above-mentioned thrust bearing to be connected, without the need to adopting bolt, thrust bearing is connected, make the handling of thrust bearing simple, and add the reliability of thrust bearing.
A kind of scroll compressor provided by the invention, because thrust bearing is arranged at the top of assistant support, lubricant oil can flow to the center of thrust bearing by the groove of axial bearing surface, and by the cooperation place of thrust bearing and bent axle to dirty, then directly to be fallen oil return pond by the gap of assistant support and bent axle, or flow to oil inlet passage by return port, directly again utilized.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of thrust bearing of the present invention;
Fig. 2 is the structural representation at bent axle flange place in the present invention;
Fig. 3 is the plan view of thrust bearing in the embodiment of the present invention one;
Fig. 4 is A-A face sectional view in Fig. 3;
Fig. 5 is the structural representation of assistant support in the embodiment of the present invention one;
Fig. 6 is B-B face sectional view in Fig. 5;
Fig. 7 is the erection drawing of the mounting structure of thrust bearing of the present invention;
Fig. 8 is C-C face sectional view in Fig. 7;
Fig. 9 is the structural representation of thrust bearing in the embodiment of the present invention two;
Figure 10 is the structural representation of assistant support in the embodiment of the present invention two.
Wherein, 1: bent axle; 2: thrust bearing; 3: assistant support; 4: flange; 5: positioning hole; 6: positioning boss; 7: groove; 8: oil guide piece; 9: fuel sucking pipe; 10: cross-drilled hole; 11: receiving groove.
Embodiment
Below in conjunction with drawings and Examples, embodiments of the present invention are described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
In describing the invention, it should be noted that, except as otherwise noted, the implication of " some " is one or more; Term " on ", D score, "left", "right", " interior ", " outward ", " bottom ", the orientation of the instruction such as " bottom " or position relationship be based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
Embodiment one
As shown in Figure 1, the mounting structure of a kind of thrust bearing 2 that the present embodiment provides, comprise thrust bearing 2, bent axle 1 and assistant support 3, as shown in Figure 2, the outer wall of bent axle 1 bottom is circumferentially with flange 4 along it, thrust bearing 2 and assistant support 3 are sheathed on the bottom of bent axle 1 and are set in turn in the below of flange 4, assistant support 3 coordinates with flange 4 thrust bearing 2 axially locating, this mounting structure connects without the need to adopting bolt, can not satisfying the demands because of the join strength of bolt causes thrust bearing 2 unreliable, and, thrust bearing 2 utilizes whole upper surfaces to support, increase Area of bearing, it is the reliability enhancing of thrust bearing 2, in addition, due to without the need to adopting bolt to connect, facilitating and thrust bearing 2 is dismantled.In addition, owing to being provided with gap between thrust bearing 2 and bent axle 1, lubricant oil can be fallen in oil sump by gap between thrust bearing 2 and bent axle 1, there will not be the grease accumulation that allows of the prior art in the space of thrust bearing 2 and bent axle 1, can not flow back to the problem of oil sump in time.
As shown in Figure 3,4, thrust bearing 2 is provided with positioning hole 5, and as shown in Figure 5,6, the upper surface of assistant support 3 is provided with the positioning boss 6 matched with positioning hole 5, and as shown in Figure 7,8, positioning hole 5 and positioning boss 6 coordinate thrust bearing 2 radial location.Wherein, positioning hole 5 can be through hole also can be blind hole, coordinates with positioning boss 6 as long as can reach, and thrust bearing 2 is carried out to the object of radial location, thus accurately can locate thrust bearing 2, facilitates the installation of bent axle 1.
It should be noted that, in the present embodiment, not only be only and positioning hole 5 is arranged on thrust bearing 2, positioning boss 6 is arranged on assistant support 3, thrust bearing 2 also can arrange positioning boss 6, assistant support 3 also can arrange positioning hole 5, as long as positioning hole 5 can be reached and positioning boss 6 coordinates the object positioned thrust bearing 2.
In addition; positioning hole 5 also can for being arranged at the groove 7 at the edge of thrust bearing 2; be not limited only the hole be arranged on thrust bearing 2 bottom surface; therefore, can the various formation of locating thrust bearing 2 be coordinated all to belong to the protection domain of the present embodiment with positioning boss 6 as long as positioning hole 5 can be met.
The quantity of positioning hole 5 is at least two, and the quantity of positioning boss 6 is identical with positioning hole 5, and each positioning hole 5 is uniformly distributed along the circumference of thrust bearing 2, and the position of each positioning boss 6 is corresponding with positioning hole 5.In the present embodiment, the quantity of preferred positioning hole 5 and positioning boss 6 is respectively three, can ensure that setting accuracy is the highest when the minimum number of positioning hole 5 and positioning boss 6.Certainly, a positioning hole 5 and positioning boss 6 also should belong to the protection domain of the present embodiment.
Embodiment two
The mounting structure of a kind of thrust bearing 2 that the present embodiment provides, its principle is identical with embodiment one, structure is similar to embodiment one, its difference is only: as shown in Fig. 9,10, the top of assistant support 3 is provided with receiving groove 11, thrust bearing 2 is embedded in receiving groove 11, is positioned, realize the quick mounting of bent axle 1 by receiving groove 11 pairs of thrust bearings 2.
In addition, the bottom surface of receiving groove 11 also can arrange positioning boss 6, thrust bearing 2 also can arrange positioning hole 5, coordinated with thrust bearing 2 by receiving groove 11, positioning hole 5 coordinates with positioning boss 6, can better position thrust bearing 2, and in scroll compressor operation process, the axially locating of thrust bearing 2 can be made more to have reliability.
Embodiment three
A kind of scroll compressor that the present embodiment provides, comprise casing, coaxially in casing be provided with bent axle 1, assistant support 3 and thrust bearing 2, bent axle 1 and assistant support 3 are individually fixed in frame, and bent axle 1, assistant support 3 and thrust bearing 2 adopt the mounting structure of the thrust bearing 2 of above-described embodiment one or embodiment two to be connected.
The upper surface of thrust bearing 2 is provided with some grooves 7 be disposed radially, groove 7 serves drainage, because thrust bearing 2 is arranged at the top of assistant support 3, lubricant oil can flow to the center of thrust bearing 2 by the groove 7 on thrust bearing 2 surface, and by the cooperation place of thrust bearing 2 and bent axle 1 to dirty, then directly to be fallen oil return pond by assistant support 3 and the gap of bent axle 1.
The bottom of bent axle 1 is provided with oil inlet passage, oil inlet passage bottom is provided with fuel sucking pipe 9, the top sidewall of oil inlet passage is provided with cross-drilled hole 10, the oil guide piece 8 being communicated with fuel sucking pipe 9 and cross-drilled hole 10 is provided with in oil inlet passage, lubricant oil in oil sump can be extracted out by this structure, and be drained to the cross-drilled hole 10 at oil inlet passage top, flow out from cross-drilled hole 10, for bent axle 1 surface provides lubricant oil.
The sidewall of oil inlet passage is evenly equipped with some return ports vertically, and the lubricant oil fallen after rise from assistant support 3 and the gap of bent axle 1 flow to oil inlet passage by return port, is directly again utilized.
In sum, the mounting structure of thrust bearing 2 provided by the invention and scroll compressor, the bent axle 1 that thrust bearing 2 is sheathed arranges flange 4, thrust bearing 2 is arranged at assistant support 3 upper end, located by flange 4 and assistant support 3 pairs of thrust bearings 2, connect without the need to bolt, enhance the reliability of thrust bearing 2.
Embodiments of the invention provide in order to example with for the purpose of describing, and are not exhaustively or limit the invention to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. the mounting structure of a thrust bearing, it is characterized in that, comprise thrust bearing, bent axle and assistant support, the outer wall of described bent axle bottom is circumferentially with flange along it, described thrust bearing and assistant support are located at the bottom of described bent axle and are set in turn in the below of described flange, and described assistant support coordinates described thrust bearing axially locating with described flange.
2. the mounting structure of thrust bearing according to claim 1, it is characterized in that, described thrust bearing is provided with positioning hole, and the upper surface of described assistant support is provided with the positioning boss matched with described positioning hole, and described positioning hole and positioning boss coordinate described thrust bearing radial location.
3. the mounting structure of thrust bearing according to claim 2, it is characterized in that, the quantity of described positioning hole is at least two, the quantity of described positioning boss is identical with described positioning hole, positioning hole described in each is uniformly distributed along the circumference of described thrust bearing, and the position of positioning boss described in each is corresponding with described positioning hole.
4. the mounting structure of thrust bearing according to claim 3, is characterized in that, the quantity of described positioning hole and positioning boss is respectively three.
5. the mounting structure of thrust bearing according to claim 3, is characterized in that, the top of described assistant support is provided with receiving groove, and described thrust bearing is embedded in described receiving groove, and described positioning boss is arranged on the bottom surface of described receiving groove.
6. the mounting structure of thrust bearing according to claim 1, is characterized in that, the top of described assistant support is provided with receiving groove, and described thrust bearing is embedded in described receiving groove.
7. a scroll compressor, it is characterized in that, comprise casing, coaxially in described casing be provided with bent axle, assistant support and thrust bearing, described bent axle and assistant support are individually fixed in described frame, and described bent axle, assistant support and thrust bearing adopt the mounting structure of the thrust bearing any one of claim 1-7 to be connected.
8. scroll compressor according to claim 7, is characterized in that, the upper surface of described thrust bearing is provided with some grooves be disposed radially.
9. scroll compressor according to claim 8, it is characterized in that, the bottom of described bent axle is provided with oil inlet passage, and described oil inlet passage bottom is provided with fuel sucking pipe, the top sidewall of described oil inlet passage is provided with cross-drilled hole, is provided with the oil guide piece being communicated with described fuel sucking pipe and cross-drilled hole in described oil inlet passage.
10. scroll compressor according to claim 9, is characterized in that, the sidewall of described oil inlet passage is evenly equipped with some return ports vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052098.4A CN105485017A (en) | 2016-01-26 | 2016-01-26 | Mounting structure of thrust bearing and vortex-compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610052098.4A CN105485017A (en) | 2016-01-26 | 2016-01-26 | Mounting structure of thrust bearing and vortex-compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105485017A true CN105485017A (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610052098.4A Pending CN105485017A (en) | 2016-01-26 | 2016-01-26 | Mounting structure of thrust bearing and vortex-compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105485017A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144885A (en) * | 1994-09-16 | 1997-03-12 | 株式会社日立制作所 | Scroll compressor |
| JPH0988849A (en) * | 1995-09-19 | 1997-03-31 | Tokico Ltd | Scroll type fluid machinery |
| CN102705236A (en) * | 2012-07-03 | 2012-10-03 | 南京奥特佳冷机有限公司 | Commercial efficient safety type scroll compressor with low energy consumption |
| CN103511272A (en) * | 2012-06-18 | 2014-01-15 | 乐金电子(天津)电器有限公司 | Scroll compressor lower bearing supporting structure |
| CN203394761U (en) * | 2013-08-05 | 2014-01-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Weld assembly, lower bracket of compressor and 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 |
| CN103982437A (en) * | 2013-02-13 | 2014-08-13 | 松下电器产业株式会社 | Volume type compressor |
| CN205744449U (en) * | 2016-01-26 | 2016-11-30 | 广东美的暖通设备有限公司 | The mounting structure of a kind of thrust bearing and screw compressor |
-
2016
- 2016-01-26 CN CN201610052098.4A patent/CN105485017A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1144885A (en) * | 1994-09-16 | 1997-03-12 | 株式会社日立制作所 | Scroll compressor |
| JPH0988849A (en) * | 1995-09-19 | 1997-03-31 | Tokico Ltd | Scroll type fluid machinery |
| CN103511272A (en) * | 2012-06-18 | 2014-01-15 | 乐金电子(天津)电器有限公司 | Scroll compressor lower bearing supporting structure |
| CN102705236A (en) * | 2012-07-03 | 2012-10-03 | 南京奥特佳冷机有限公司 | Commercial efficient safety type scroll compressor with low energy consumption |
| CN103982437A (en) * | 2013-02-13 | 2014-08-13 | 松下电器产业株式会社 | Volume type compressor |
| CN203394761U (en) * | 2013-08-05 | 2014-01-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Weld assembly, lower bracket of compressor and 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 |
| CN205744449U (en) * | 2016-01-26 | 2016-11-30 | 广东美的暖通设备有限公司 | The mounting structure of a kind of thrust bearing and screw compressor |
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| PB01 | Publication | ||
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Application publication date: 20160413 |