CN102022304B - Sliding pipe type sealing device of air compressor - Google Patents
Sliding pipe type sealing device of air compressor Download PDFInfo
- Publication number
- CN102022304B CN102022304B CN2010106148127A CN201010614812A CN102022304B CN 102022304 B CN102022304 B CN 102022304B CN 2010106148127 A CN2010106148127 A CN 2010106148127A CN 201010614812 A CN201010614812 A CN 201010614812A CN 102022304 B CN102022304 B CN 102022304B
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- oil
- slip pipe
- connecting rod
- air compressor
- oil sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 58
- 239000003921 oil Substances 0.000 claims description 115
- 239000000446 fuel Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 4
- 239000010687 lubricating oil Substances 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 3
- 239000000523 sample Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052799 carbon Inorganic materials 0.000 abstract description 6
- 238000005461 lubrication Methods 0.000 abstract description 4
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 abstract 4
- 230000008021 deposition Effects 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 description 22
- 230000001050 lubricating effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000545442 Radix Species 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention belongs to the technical field of compressors, relating to a sliding pipe type sealing device of an air compressor; the wall body of a crank case is provided with a leak-proof oil seal, wherein the connecting rod of the air compressor passes through the leak-proof oil seal and is in a motive seal match with the leak-proof oil seal mode; the device is characterized in that the inner wall of the crank case is provided with an anti-spray cover; the connecting rod passes through the anti-spray cover in an area between the leak-proof oil seal and a sliding pipe; the anti-spray cover is provided with an oil-returning structure and an oil baffle oil seal; the oil baffle oil seal is arranged between the leak-proof oil seal and the sliding pipe; and the connecting rod passes through the oil baffle oil seal. By arranging the anti-spray cover and the oil baffle oil seal, the sliding pipe type sealing device of the air compressor effectively reduces the amount of lubrication oil directly sprayed on the leak-proof oil seal and reduces the adhesion amount of the lubrication oil in the matching section of the connecting rod and the leak-proof oil seal, thus relieving the anti-block leakage load of the leak-proof oil seal and decreasing the amounts of the lubrication oil permeating through the inner wall of an inlet casing and entering into the pump cavity of the air compressor, thereby finally relieving the carbon deposition of the air compressor.
Description
Technical field
The invention belongs to the Compressor Technology field, relate to a kind of slip pipe formula air compressor lubricating and sealing device.
Background technique
Slip pipe formula air compressor includes parts such as crankcase, piston, cylinder, connecting rod, bent axle, crank pin, slide block and slip pipe; Wherein crank pin is arranged on the bent axle or they simply are integral structure, and crank pin rotates around the spin axis of bent axle, and the piston of compressor is placed in the cylinder and with cylinder is reciprocating and cooperates; One end of connecting rod is connected with piston; The other end of connecting rod and slip pipe are fastenedly connected or connecting rod and slip pipe employing integrative-structure, and slide block is placed in the slip pipe and with slip pipe and is slidingly matched, and slide block is provided with a seat hole; Crank pin interts into also directly being rotatably assorted with a seat hole in this hole or being rotatably assorted through a bearing and a seat hole; When compressor operating, bent axle drives crank pin and rotates, and crank pin is through the driving sliding block motion of said seat hole; Slide block is again through the motion of slip pipe drive link, and further driven plunger is reciprocating again for connecting rod.Especially; When piston, cylinder and connecting rod are two; That is during the duplex cylinder compressor of ripe title; Two cylinders usually adopt the distribution form of opposed type; Promptly the axis of two cylinders be parallel to each other or coincidence but cylinder head adopt on the contrary towards layout, at this moment can utilize cylinder to utilize piston then further to utilize slip pipe to make the motion of slide block be the state of translation rotation more then, thereby make the motion of each movement parts of compressor become more stable the constraint of slide block to the constraint of connecting rod and slip pipe to the constraint of piston.
Above-mentioned slip pipe formula air compressor must be lubricated kinematic pair such as crank pin/slide block, slide block/slip pipes; Typical lubricating system is that centrifugal fuel feeding is lubricated; The oil storage pool that also is about to compressor crankcase is arranged on the below of bent axle, slide block and slip pipe; Simultaneously in the middle of an oil pipe being set on the crank pin and inserting the oil sump of crankcase, offer oil duct in the oil pipe, utilize centrifugal force or displacement of reservoir oil device to force lubricant oil to rise and be transported to each kinematic pair along the oil duct in the oil pipe.Obviously, this lubricating system belongs to the pressure lubrication mode, and its reliability is very high.But practice is found; Above-mentioned lubricating fitting has a drawback; The lubricating oil consumption of Here it is compressor is a lot; And scurry ease to the compressor operating chamber of forming by cylinder, piston and seat board, and cause waste and befouling environment on the one hand, cause the too early carbon distribution of compressor on the other hand and cause its decreased performance.Trace it to its cause; Mainly be existing compressor connecting rod pass through the seal arrangement that the position of crankcase adopts or structure seepage-proof oil ability a little less than; Because there is the open cooperation gap structure in many places in kinematic pair such as crank pin/slide block, slide block/slip pipe; When lubricant oil when these slits are oozed out; Will above-mentioned movement parts rotatablely move and reciprocating ordering about splashed down everywhere, so splash into and many especially attached to the lubricant oil of crankcase internal face, feasible also a lot of attached to the lubricant oil on connecting rod and the oil sealing; Because these lubricant oil radixes that adhere to are big, the quantity that the result causes penetrating into cylinder wall surface and further penetrate into the lubricant oil in the compressor operating chamber is also big.
Summary of the invention
To the above-mentioned drawback that existing technology exists, the present invention proposes a kind of slip pipe formula air compressor seal arrangement, and purpose is effectively to reduce lubricant oil and penetrates into the quantity in the compressor operating chamber, thereby alleviates the carbon distribution phenomenon of compressor.
The objective of the invention is to realize like this: slip pipe formula air compressor seal arrangement; Comprise cylinder, piston, connecting rod, crankcase, crank pin, slide block and slip pipe, said connecting rod and piston are fastenedly connected or are structure as a whole, and the tank wall of crankcase is provided with the leakproof oil sealing; Connecting rod passes through said leakproof oil sealing and does motion with the leakproof oil sealing and is sealed and matched; Connecting rod and slip pipe are fastenedly connected or are structure as a whole, and on said slide block, offer a seat hole, have an axial slideway in the said slip pipe; Slide block is placed in the slideway of slip pipe and with this slideway and is slidingly matched; Also directly rotating to cooperate perhaps with a seat hole in the seat hole of said crank pin insertion slide block is rotatably assorted through a bearing and a hole, and the bottom of said crankcase is provided with the oil sump of storing lubricating oil, is provided with a fuel sucking pipe that probes into oil sump at crank pin towards an end of oil sump; The inwall of crankcase is provided with Splashproof cover; Said Splashproof cover and crankcase are fastenedly connected or are structure as a whole, and Splashproof cover has a part of structural configuration at least between leakproof oil sealing and slip pipe, and the area of space of said connecting rod between leakproof oil sealing and slip pipe passes through Splashproof cover; Splashproof cover is provided with the oil return structure, and said oil return structure is that pore passage structure is or/and the breach structure.
Above-mentioned Splashproof cover is provided with the retaining oil sealing, and said retaining oil oil sealing is arranged between leakproof oil sealing and the slip pipe, and said connecting rod passes through this and keeps off oil sealing.
Maintain certain anti-creep spacing between above-mentioned retaining oil oil sealing and the leakproof oil sealing.
Above-mentioned anti-creep spacing is more than or equal to the stroke of piston.
Above-mentioned oil return structure is lower than the axis of connecting rod.
Above-mentioned crankcase is a modular construction, and said assembly includes dividing plate and cover plate.
The shaft of above-mentioned connecting rod is cylindrical bar or oval mast.
Be provided with oil pumping device in the above-mentioned fuel sucking pipe.
Slip pipe formula air compressor seal arrangement of the present invention; It is through being provided with Splashproof cover and retaining oil sealing; Reduced lubricant oil effectively and directly be splashed to the quantity on the leakproof oil sealing, and reduced the lubricant oil adhesion amount of connecting rod, thereby alleviated the burden of the anti-blocking leakage of leakproof oil sealing with the leakproof oil sealing section of cooperation; Therefore and reduced lubricant oil and penetrate into the quantity of cylinder inner wall face and get into the quantity in the compressor operating chamber, finally alleviated the carbon distribution phenomenon of compressor.
Description of drawings
Fig. 1 is the generalized section of slip pipe formula air compressor seal arrangement of the present invention.
Embodiment
With specific embodiment the present invention is further described below, referring to Fig. 1:
Slip pipe formula air compressor seal arrangement; It comprises cylinder 1, piston 2, connecting rod 3, crankcase 4, crank pin 5, slide block 6 and slip pipe 7; Said connecting rod 3 is fastenedly connected with piston 2 or connecting rod 3 adopts integrative-structure to make with piston 2; The tank wall of crankcase 4 is provided with leakproof oil sealing 8; Connecting rod 3 passes through said leakproof oil sealing 8 and does motion with leakproof oil sealing 8 and is sealed and matched, and connecting rod 3 is fastenedly connected with slip pipe 7 or connecting rod 3 is structure as a whole with slip pipe 7, on said slide block 6, offers a seat hole 6a; Has an axial slideway 7a in the said slip pipe 7; Wherein the layout when the axis normal of slideway 7a and crank pin 5 is best, and slide block 6 is placed in the slideway 7a of slip pipe 7 and with this slideway 7a and is slidingly matched, and said crank pin 5 inserts in the seat hole 6a of slide blocks 6 and directly rotates with a seat hole 6a and cooperates or be rotatably assorted through a bearing 6b and a hole 6a; The bottom of said crankcase 4 is provided with the oil sump 9 of storing lubricating oil; Be provided with a fuel sucking pipe 10 that probes into oil sump 9 at crank pin 5 towards an end of oil sump 9; When crank pin 5 rotated, fuel sucking pipe 10 utilized centrifugal force that the lubricant oil in the oil sump 9 is picked up and is transported among each kinematic pair, in order to be lubricated more reliably; An oil pumping device 10a can also be set in the oil duct of fuel sucking pipe 10, and oil pumping device 10a can adopt that the current scrolling piston compressor generally uses turns round the sheet pump; Characteristic of the present invention is: the inwall of crankcase 4 is provided with Splashproof cover 11; Said Splashproof cover 11 is fastenedly connected with crankcase 4 or Splashproof cover 11 is structure as a whole with crankcase 4; Splashproof cover 11 has a part of structural configuration at least between leakproof oil sealing 8 and slip pipe 7; The area of space of said connecting rod 3 between leakproof oil sealing 8 and slip pipe 7 passes through Splashproof cover 11; Splashproof cover 11 is provided with oil return structure 12, and said oil return structure 12 is a pore passage structure or/and the breach structure, and the effect of oil return structure 12 is that the lubricant oil that lets leakproof oil sealing 8 stop to get off can successfully be back in the oil sump 9; Need to prove; Crankcase 4 of the present invention can be that the monolithic construction crankcase also can be the modular construction crankcase, and the tank wall of crankcase 4 can be to comprise the various structures of dividing plate and cover plate and be fastenedly connected into crankcase 4 when it is groupware type crankcase 4; Also need to prove; The optimum structure form of Splashproof cover 11 is to adopt cover shape or the brim of a hat shape structure, and live leakproof oil sealing 8 at a side cover cover of the inwall of crankcase 4 or shroud, or at a side cover cover of the inwall of crankcase 4 or the reach through hole that shroud is lived crankcase 4 and connecting rod 3; Obviously; The present invention is owing to be provided with Splashproof cover 11; Therefore can significantly reduce the lubricant oil quantity that directly is splashed on the leakproof oil sealing 8; Thereby can alleviate the burden of the anti-blocking leakage of leakproof oil sealing 8, and therefore can reduce quantity and the interior quantity of entering compressor operating chamber 1a that lubricant oil penetrates into cylinder 1 internal face, finally can alleviate the carbon distribution phenomenon of compressor.
In order to reduce the quantity that lubricant oil penetrates into cylinder 1 more effectively; Retaining oil sealing 13 can be set on Splashproof cover 11; Said retaining oil sealing 13 is arranged between leakproof oil sealing 8 and the slip pipe 7, and said connecting rod 3 passes through this and keeps off oil sealing 13, because the existence of retaining oil sealing 13; Therefore can stop lubricant oil to crawl into leakproof oil sealing 8 places more effectively, also just alleviate the burden of the anti-blocking leakage of leakproof oil sealing 8 through the shaft surface of connecting rod 3; In addition; Keep off and maintain certain anti-creep spacing h between oil sealing 13 and the leakproof oil sealing 8; The anti-creep distance h is set can lets and penetrated retaining oil sealing 13 and certain falling time and falling space have been arranged by the lubricant oil that leakproof oil sealing 8 tackle, and through the oil return structure 12 oil return pond 9 that falls; Undoubtedly, as anti-creep spacing h during, can have more fully attached to the lubricant oil of the shaft outer surface of connecting rod 3 and to fall after rise the time more than or equal to the stroke of piston.
Slip pipe formula air compressor seal arrangement of the present invention; It is through being provided with Splashproof cover 11 and retaining oil sealing 13; Therefore can reduce lubricant oil effectively directly is splashed to the quantity on the leakproof oil sealing 8, and has reduced the lubricant oil adhesion amount of connecting rod 3 with leakproof oil sealing 8 sections of cooperation, thereby has alleviated the burden of the anti-blocking leakage of leakproof oil sealing 8; Penetrate into the quantity of cylinder 1 internal face and get into the quantity in the compressor operating chamber 1a so can reduce lubricant oil, finally can alleviate the carbon distribution phenomenon of compressor.
The foregoing description is merely one of some preferred embodiments of the present invention, is not to limit protection scope of the present invention according to this, so: all various equivalences of doing according to structure of the present invention, shape, principle change, and all should be covered by within protection scope of the present invention.
Claims (8)
1. slip pipe formula air compressor seal arrangement; Comprise cylinder, piston, connecting rod, crankcase, crank pin, slide block and slip pipe, said connecting rod and piston are fastenedly connected or are structure as a whole, and the tank wall of crankcase is provided with the leakproof oil sealing; Connecting rod passes through said leakproof oil sealing and does motion with the leakproof oil sealing and is sealed and matched; Connecting rod and slip pipe are fastenedly connected or are structure as a whole, and on said slide block, offer a seat hole, have an axial slideway in the said slip pipe; Slide block is placed in the slideway of slip pipe and with this slideway and is slidingly matched; Also directly rotating to cooperate perhaps with a seat hole in the seat hole of said crank pin insertion slide block is rotatably assorted through a bearing and a hole, and the bottom of said crankcase is provided with the oil sump of storing lubricating oil, is provided with a fuel sucking pipe that probes into oil sump at crank pin towards an end of oil sump; It is characterized in that: the inwall of crankcase is provided with Splashproof cover; Said Splashproof cover and crankcase are fastenedly connected or are structure as a whole, and Splashproof cover has a part of structural configuration at least between leakproof oil sealing and slip pipe, and the area of space of said connecting rod between leakproof oil sealing and slip pipe passes through Splashproof cover; Splashproof cover is provided with the oil return structure, and said oil return structure is that pore passage structure is or/and the breach structure.
2. slip pipe formula air compressor seal arrangement according to claim 1 is characterized in that: described Splashproof cover is provided with the retaining oil sealing, and said retaining oil oil sealing is arranged between leakproof oil sealing and the slip pipe, and said connecting rod passes through this and keeps off oil sealing.
3. slip pipe formula air compressor seal arrangement according to claim 2 is characterized in that: maintain certain anti-creep spacing between described retaining oil sealing and the leakproof oil sealing.
4. slip pipe formula air compressor seal arrangement according to claim 3, it is characterized in that: described anti-creep spacing is more than or equal to the stroke of piston.
5. according to described any one slip pipe formula air compressor seal arrangement of claim 1 to 4, it is characterized in that: described oil return structure is lower than the axis of connecting rod.
6. according to described any one slip pipe formula air compressor seal arrangement of claim 1 to 4, it is characterized in that: described crankcase is a modular construction, and said assembly includes dividing plate and cover plate.
7. according to described any one slip pipe formula air compressor seal arrangement of claim 1 to 4, it is characterized in that: the shaft of described connecting rod is cylindrical bar or oval mast.
8. according to described any one slip pipe formula air compressor seal arrangement of claim 1 to 4, it is characterized in that: be provided with oil pumping device in the described fuel sucking pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106148127A CN102022304B (en) | 2010-12-30 | 2010-12-30 | Sliding pipe type sealing device of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106148127A CN102022304B (en) | 2010-12-30 | 2010-12-30 | Sliding pipe type sealing device of air compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102022304A CN102022304A (en) | 2011-04-20 |
| CN102022304B true CN102022304B (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106148127A Active CN102022304B (en) | 2010-12-30 | 2010-12-30 | Sliding pipe type sealing device of air compressor |
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| CN (1) | CN102022304B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219812A (en) * | 2019-07-22 | 2019-09-10 | 西北农林科技大学 | A kind of duplex cylinder compressor |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2677658Y (en) * | 2004-02-13 | 2005-02-09 | 江阴市压缩机厂 | Integral crankcase opposed diaphragm compressor |
| CN201486801U (en) * | 2009-08-24 | 2010-05-26 | 浙江红五环机械股份有限公司 | Miniature piston-type air compressor |
| CN201908804U (en) * | 2010-12-30 | 2011-07-27 | 浙江鸿友压缩机制造有限公司 | Sealing device of sliding pipe type air compressor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2539696Y2 (en) * | 1991-05-13 | 1997-06-25 | 株式会社豊田自動織機製作所 | Compressor for air conditioner using hydrogen storage alloy |
| US6698232B1 (en) * | 2002-10-30 | 2004-03-02 | Carrier Corporation | Oil leak diversion and collection system for mechanical shaft seals |
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2010
- 2010-12-30 CN CN2010106148127A patent/CN102022304B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2677658Y (en) * | 2004-02-13 | 2005-02-09 | 江阴市压缩机厂 | Integral crankcase opposed diaphragm compressor |
| CN201486801U (en) * | 2009-08-24 | 2010-05-26 | 浙江红五环机械股份有限公司 | Miniature piston-type air compressor |
| CN201908804U (en) * | 2010-12-30 | 2011-07-27 | 浙江鸿友压缩机制造有限公司 | Sealing device of sliding pipe type air compressor |
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| Publication number | Publication date |
|---|---|
| CN102022304A (en) | 2011-04-20 |
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Denomination of invention: Sealing device of sliding tube air compressor Effective date of registration: 20231229 Granted publication date: 20120808 Pledgee: Wenling branch of the Industrial Commercial Bank of China Ltd. Pledgor: ZHEJIANG HONGYOU AIR COMPRESSOR MANUFACTURING Co.,Ltd. Registration number: Y2023980074319 |