CN1186172A - Connection rod of hermetically sealed compressor - Google Patents
Connection rod of hermetically sealed compressor Download PDFInfo
- Publication number
- CN1186172A CN1186172A CN97120359A CN97120359A CN1186172A CN 1186172 A CN1186172 A CN 1186172A CN 97120359 A CN97120359 A CN 97120359A CN 97120359 A CN97120359 A CN 97120359A CN 1186172 A CN1186172 A CN 1186172A
- Authority
- CN
- China
- Prior art keywords
- piston
- bent axle
- connecting rod
- lubricant oil
- attachment portion
- 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
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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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0284—Constructional details, e.g. reservoirs in the casing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
- F04B39/0022—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons piston rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/02—Lubrication
- F04B39/0223—Lubrication characterised by the compressor type
- F04B39/023—Hermetic compressors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
The present invention provides a connection rod of hermetically sealed compressor, the connection rod has a lubricant guide passage for supplying lubricant to a piston connection section connecting with a piston on the connection rod body, such that the friction section between the piston connection section and the piston pin can be suitably lubricated. Said lubricant guide passage connects bent axle connection section and piston connection section on the surface of the connection rod. The structure of the invention has advantage of preventing detrition between the piston and the piston connection section of the connection rod.
Description
The present invention relates to a kind of closed compressor, in particular, the connecting rod that relates to a kind of closed compressor, the structure of this connecting rod can be to the contact position supplying lubricating oils that connecting rod is connected with piston, thereby can prevent the wearing and tearing of the contact position between connecting rod and the wrist pin.
Represented the structure of the connecting rod of closed compressor in the prior art among Fig. 1.
As shown in Figure 1, existing closed compressor has a seal container (1) of being made up of upper container (1t) and bottom container (1b), framework (2) is bearing in the inside in sealing container (1), fixing stator (3) on this framework (2), spring (2S) then is bearing in said stator (3) in the seal container (1).
In addition, the central authorities that also have a bent axle (5) to run through said frame (2).On this bent axle (5), fixing a rotor (4), by means of and stator (3) between mutual electromagnetic action, rotor (4) can rotate with above-mentioned bent axle (5).
One section cam pin (5b) with the rotating center off-centre of bent axle is arranged on bent axle (5) top.Relative side forming this cam pin (5b) has counterweight (5c).Be provided with the propulsion device that goes in the lubricant oil runner (5a) that is drawn into for lubricant oil (L) in the bent axle (5) in the bottom of above-mentioned bent axle (5) with the bottom of bottom container (1b).
On the other hand, there is a pressing chamber (not shown) cylinder block (6) inside becoming one with framework (2), and in above-mentioned pressing chamber, piston (7) is connected with the cam pin (5b) of bent axle (5) by connecting rod (8).Wherein, cam pin (5b) is connected with the bent axle attachment portion (8a) of connecting rod (8), and piston (7) is connected by wrist pin (7 ') with the piston attachment portion (8b) of connecting rod (8).
In addition, the front end in above-mentioned cylinder block (6) is provided with the valve assembly (9) that the control refrigerant gas flowed into and flowed out above-mentioned pressing chamber.Label among the figure (10) is a cylinder head, and (12) are the sucking pipes that stretches in the refrigerant seal container (1), and (13) are the outlet pipes of the refrigerant after the compression being discharged the compressor outside.
On the other hand, in order to reduce the noise that is caused by refrigerant, inhaling silencer (15) passes valve assembly (9), and the pressing chamber inner with cylinder block (6) links to each other.
When the compressor with above-mentioned formation was connected power supply, rotor (4) just rotated owing to the electromagnetic action between it and the stator (3), so the bent axle (5) that is made of one with rotor (4) also rotates.When above-mentioned bent axle (5) rotates, just simultaneously draw circle with the cam pin (5b) of this bent axle (5) off-centre and simultaneously rotate, so the connecting rod (8) that is connected on this cam pin (5b) just moves with this cam pin (5b), makes piston (7) do straight reciprocating motion.Above-mentioned piston (7) is done straight reciprocating motion in pressing chamber when, refrigerant is compressed.
On the other hand, the position that brief description lubricant oil (L) supply with to take place friction in the movement process of compressor is lubricated effect, and supplies with the fuel feeding process that cooling action is carried out at the position that produces heat simultaneously.
When bent axle (5) rotated, propulsion device (50) one side that is arranged on its underpart was rotated with bent axle, and one side is delivered to the lubricant oil (L) in the bottom container (1b) in the lubricant oil runner (5a) in the above-mentioned bent axle (5).Lubricant oil (L) in the inflow lubricant oil runner (5a) flows to the top of bent axle (5) along lubricant oil runner (5a) owing to bent axle (5) rotates the centrifugal force that produces.The lubricant oil (L) that arrives bent axle top just splashes in the epimere of cam pin (5b), the position that flows to the friction position and need to cool off.
, the piston (7) that couples together with wrist pin (7 ') and those positions, piston attachment portion (8b) of connecting rod (8) all are in the inside of cylinder block (6), and the lubricant oil that splashes (L) can not reach.Therefore, there do not have lubricant oil (L) on the internal surface of above-mentioned piston attachment portion (8b) and the surface of wrist pin (7 ') to be lubricated, will produce the friction between the metal during motion.So, usually produce the sharp worn problem at these positions.
Therefore, purpose of the present invention will solve above existing problem exactly, and lubricant oil is supplied with the position that connecting rod and piston couple together.
In order to achieve the above object, provide a kind of connecting rod of closed compressor, this connecting rod has: the bent axle attachment portion that is connected with bent axle; The piston attachment portion that is connected with piston; And the connecting rod shank that has the lubricant oil path of navigation of guiding lubricant oil from the teeth outwards.
Connecting rod with this formation just can prevent the wearing and tearing at these positions to the position that is connected with piston supplying lubricating oil successfully.
Below, describe embodiments of the invention in detail with reference to accompanying drawing.In the accompanying drawing, every part same as the prior art or part are all used same label.In the accompanying drawing:
Fig. 1 is the in-built sectional view of conventional seals formula compressor;
Fig. 2 is the partial perspective view of the structure of the connecting rod of closed compressor of the prior art and its attachment portion;
Fig. 3 is the stereogram according to the connecting rod structure of closed compressor of the present invention;
Fig. 4 is the sectional view along the A-A line of Fig. 3.
Shown in Fig. 3 and 4, change the two ends of body (21) of the reciprocating connecting rod (20) of piston (7) in rotation with bent axle (5), form bent axle attachment portion (22) and piston attachment portion (23) respectively.
The diameter of above-mentioned bent axle attachment portion (22) is bigger than the diameter of above-mentioned piston attachment portion (23), and it is enclosed within on the cam pin (5b) of bent axle (5), and bent axle (5) and connecting rod (20) are coupled together.
Above-mentioned piston attachment portion (23) then links together piston (7) and connecting rod (20) by wrist pin (7 ').
In addition, on above-mentioned connecting rod shank (21), formed the continuous lubricant oil guiding groove (24) of from bent axle attachment portion (22) to piston attachment portion (23), the effect of this guiding groove is to be directed to piston attachment portion (23) splashing in the lubricant oil (L) that falls down behind cam pin (5b) top.
When compressor starts is worked, because the rotation of rotor (4) makes bent axle (5) also rotate.When bent axle (5) rotates, above-mentioned cam pin (5b) draw circle, and meanwhile rotate, thereby drive link (20) motion.This connecting rod (20) is the center rotating certain angle with the wrist pin (7 ') on its piston attachment portion (23) on one side, Yi Bian make piston (7) do straight reciprocating motion.Like this, do in the process of straight reciprocating motion at piston (7), refrigerant just compresses in pressing chamber.On the other hand, when bent axle (5) rotated, the also rotation together of propulsion device (50) in its underpart was transported to lubricant oil (L) in the lubricant oil runner (5a).Be transported to the lubricant oil (L) in the lubricant oil runner (5a), the centrifugal force that is produced when rotating by means of bent axle (5) to rising, is transported to the position that friction takes place and need cooling along this lubricant oil runner (5a) always.Then, be transported to lubricant oil (L) on the above-mentioned cam pin (5b) is splashed to the cam pin (5b) that is rotating in making the process of circular movement top always.
Be splashed to the part of the lubricant oil (L) on cam pin (5b) top, be transported to again in the lubricant oil guiding groove (24) of connecting rod (20).The lubricant oil (L) that is transported in the above-mentioned lubricant oil guiding groove (24) is directed into piston attachment portion (23), is transported to the friction position between wrist pin (7 ') and piston attachment portion (23) again, lubricate.
Like this, because lubricant oil has been transported to the friction position between wrist pin (7 ') and piston attachment portion (23), played lubrication, these positions just can often remain on good lubricating status.
As mentioned above, according to connecting rod of the present invention owing on the surface of connecting rod shank, formed lubricant oil path of navigation to the piston attachment portion guiding lubricant oil that connects piston, can constantly supply an amount of lubricant oil to the piston attachment portion of connecting rod and the friction position between the wrist pin, thereby can reduce the wearing and tearing at these positions, improve the life-span and the reliability of compressor.
Claims (1)
1. the connecting rod of a closed compressor is characterized in that, this connecting rod has: the bent axle attachment portion that is connected with bent axle; The piston attachment portion that is connected with piston; And the connecting rod shank that has the lubricant oil path of navigation of guiding lubricant oil from the teeth outwards.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KRU45983/96 | 1996-12-06 | ||
| KRU45983/1996 | 1996-12-06 | ||
| KR2019960045983U KR19980033078U (en) | 1996-12-06 | 1996-12-06 | Cone-Road Structure of Hermetic Electric Compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1186172A true CN1186172A (en) | 1998-07-01 |
| CN1100945C CN1100945C (en) | 2003-02-05 |
Family
ID=19477521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97120359A Expired - Fee Related CN1100945C (en) | 1996-12-06 | 1997-12-05 | Connection rod of hermetically sealed compressor |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR19980033078U (en) |
| CN (1) | CN1100945C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793177A (en) * | 2010-03-30 | 2010-08-04 | 重庆长安汽车股份有限公司 | Engine connecting rod structure |
| CN103603864A (en) * | 2013-12-03 | 2014-02-26 | 顺达（芜湖）汽车饰件有限公司 | Lubricating device for steering shaft head of automobile engine |
| CN105526127A (en) * | 2014-10-20 | 2016-04-27 | 艾默生环境优化技术有限公司 | Compressor and crankshaft-connecting rod assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194983A (en) * | 2016-09-05 | 2016-12-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Connecting rod and compressor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3710071A1 (en) * | 1986-04-03 | 1987-10-08 | Volkswagen Ag | Lubricating arrangement |
| JPH08177722A (en) * | 1994-12-27 | 1996-07-12 | Toshiba Corp | Connecting rod of reciprocating compressor |
| JP2708040B2 (en) * | 1996-07-01 | 1998-02-04 | 株式会社エンプラス | IC carrier for TCP |
-
1996
- 1996-12-06 KR KR2019960045983U patent/KR19980033078U/en not_active Application Discontinuation
-
1997
- 1997-12-05 CN CN97120359A patent/CN1100945C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793177A (en) * | 2010-03-30 | 2010-08-04 | 重庆长安汽车股份有限公司 | Engine connecting rod structure |
| CN103603864A (en) * | 2013-12-03 | 2014-02-26 | 顺达（芜湖）汽车饰件有限公司 | Lubricating device for steering shaft head of automobile engine |
| CN105526127A (en) * | 2014-10-20 | 2016-04-27 | 艾默生环境优化技术有限公司 | Compressor and crankshaft-connecting rod assembly |
| US10132301B2 (en) | 2014-10-20 | 2018-11-20 | Emerson Climate Technologies, Inc. | Compressor and crankshaft-connecting rod assembly |
| CN105526127B (en) * | 2014-10-20 | 2019-07-30 | 艾默生环境优化技术有限公司 | Compressor and crankshaft-link rod component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1100945C (en) | 2003-02-05 |
| KR19980033078U (en) | 1998-09-05 |
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |