CN204140322U - Compressor, compressor oil line structure and bent axle - Google Patents

Compressor, compressor oil line structure and bent axle Download PDF

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Publication number
CN204140322U
CN204140322U CN201420600466.0U CN201420600466U CN204140322U CN 204140322 U CN204140322 U CN 204140322U CN 201420600466 U CN201420600466 U CN 201420600466U CN 204140322 U CN204140322 U CN 204140322U
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China
Prior art keywords
oil
main shaft
compressor
crank
bent axle
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CN201420600466.0U
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Chinese (zh)
Inventor
陈娟娟
徐敏
崔中
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Zhuhai Gree Energy Saving Environmental Protection Refrigeration Technology Research Center Co Ltd
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Abstract

The utility model provides a kind of bent axle, comprise the crank of main shaft and relative main eccentric setting, main shaft surface is provided with the oil feeding line axially arranged along it, crank comprises integrated solid part and belled part, belled position is between solid part and main shaft, and main shaft offers with inside, belled part and is communicated with the inclined hole oil circuit of oil feeding line to socket end surfaces.Inclined hole oil circuit is directly opened the surface of the belled part to crank by main shaft, directly the connecting rod be connected with crank is lubricated by inclined hole oil circuit, the layout of inclined hole oil circuit is without the need to after arranging and being communicated with bent axle to the oil circuit of crank end, recycling stopper structure carries out shutoff, decrease the quantity of component on bent axle, reduce manufacturing procedure.The utility model additionally provides a kind of compressor oil line structure, and the surface of crank delivered to by lubricant oil by lubricant oil through inclined hole oil circuit, and is sent to internal piston through the middle oil circuit of connecting rod, to providing effective lubrication in piston.The utility model additionally provides a kind of compressor.

Description

Compressor, compressor oil line structure and bent axle
Technical field
The utility model relates to Compressor Technology field, more particularly, relates to a kind of compressor, compressor oil line structure and bent axle.
Background technique
Compressor is the heart of refrigeration system, it sucks the refrigerant gas of low-temp low-pressure from sucking pipe, after driving piston to compress it by motor rotation, the refrigerant gas of High Temperature High Pressure is discharged to outlet pipe, for refrigeration cycle provides power, thus realize the refrigeration cycle of compression → condensation → expansion → evaporation (heat absorption).
As shown in Figure 1, Fig. 1 is the oil channel structures schematic diagram of refrigerator compressor crankshaft in prior art to the crankshaft oilway structure that current freezer compressor wool fine yarn generally adopts.By crankshaft rotating centrifugal action, the lubricant oil inclined hole 1` that oils along bent axle lower end enters bent axle, is oiled to lubrication crank spindle by principal axis lubrication oilhole 2`, oilhole 4` and helical oil groove 3`.Crank spindle is oiled to crank section by the inclined hole 5` always passing to crankshaft crank top, after lubricant oil arrives crankshaft crank, a part flows out from crankshaft crank side oilhole 6`, lubrication crank and connnecting rod big end matching pair, another part lubricant oil throws away from crank top, splash to cylinder, thus the kinematic pair 8` of lube pistons, cylinder, connecting rod small end and wrist pin composition.Which oil circuit is complicated, and crankshaft crank is few with connnecting rod big end matching pair, connecting rod small end and wrist pin matching pair lubricants capacity, usually causes matching pair to occur wearing and tearing, and increase compressor friction power loss, is unfavorable for the reliability of product.
Number of patent application be 200820170608.9 Chinese patent disclose a kind of compressor fixed-point booster feed lubrication structure, by arranging plug at bent axle top oil drainage hole, lubricant oil has been blocked by the outside oil extraction of the oil drainage hole of bent axle by plug, lubricant oil keeps higher pressure in each oil circuit, be conducive to the lubrication of each kinematic pair, avoid lubricant oil to supply insufficient friction energy loss caused, thus reduce the power consumption of compressor, improve the efficiency of compressor.But causing crankshaft structure to assemble complexity by increasing plug mode, needing to increase additional elements on bent axle, assembling plug process exists to be made crank be out of shape or produces the hidden danger of quality of iron filings simultaneously.
Therefore, how improving the stability of compressor crank shaft lubricating structure, is current those skilled in the art's problem demanding prompt solution.
Model utility content
In view of this, the utility model provides a kind of compressor oil line structure, to realize the stability improving compressor crank shaft lubricating structure; The utility model additionally provides a kind of compressor.
In order to achieve the above object, the utility model provides following technological scheme:
A kind of bent axle, comprises the crank that main shaft is arranged with relative described spindle eccentricity, and described main shaft surface is provided with the oil feeding line axially arranged along it;
Described crank comprises integrated solid part and belled part, and described belled position is between described solid part and described main shaft, and described main shaft and the inside of described belled part offer and is communicated with the inclined hole oil circuit of described oil feeding line to the surface of described belled part.
A kind of compressor oil line structure, comprise cylinder block, be arranged at the bent axle in the crankshaft installed hole of described cylinder block, the piston be connected by connecting rod with described bent axle, described bent axle is bent axle as above, one end of described connecting rod is socketed on the belled part of described crank, and the oil outlet end of described inclined hole oil circuit is positioned on the surface of the described belled part be socketed with described connecting rod, is axially provided with is communicated with the middle oil circuit of described oil outlet end to described internal piston in described connecting rod along it.
Preferably, in above-mentioned compressor oil channel structures, the oil outlet end of described inclined hole oil circuit is arranged in the annular groove on the surface of described belled part.
Preferably, in above-mentioned compressor oil channel structures, be provided with the wrist pin be sleeved in connecting rod in described piston, described middle oil circuit extends on the cover contact surface of described connecting rod and described wrist pin.
Preferably, in above-mentioned compressor oil channel structures, described oil feeding line is for being opened in described main shaft surface, and the helical oil groove between described main shaft and described crankshaft installed hole inwall.
Preferably, in above-mentioned compressor oil channel structures, described helical oil groove around the periphery of described main shaft, and extends along the axis of described main shaft, and the oil inlet hole of described helical oil groove and oil outlet are all arranged on the surface of described main shaft.
Preferably, in above-mentioned compressor oil channel structures, the drive end of described main shaft offers that to be arranged at described main shaft inner, and axially extends to along described main shaft the oil-feed oilhole be communicated with described helical oil groove.
Preferably, in above-mentioned compressor oil channel structures, described oil-feed oilhole, helical oil groove are communicated with described inclined hole oil circuit the oil circuit forming described bent axle successively.
A kind of compressor, comprise compressor housing and the compressor main body being arranged at described compressor, described compressor main body offers the compressor oil line structure its work being provided to lubricant oil, described compressor oil line structure is the compressor oil line structure as above described in any one.
The bent axle that the utility model provides, comprise the crank of main shaft and relative main eccentric setting, main shaft surface is provided with the oil feeding line axially arranged along it, crank comprises integrated solid part and belled part, belled position is between solid part and main shaft, and main shaft offers with inside, belled part and is communicated with the inclined hole oil circuit of oil feeding line to socket end surfaces.Main shaft and crank eccentric setting, oil feeding line supply lubricant oil is to the lubrication on main shaft surface, and be directly communicated with oil feeding line to being socketed end surfaces through inclined hole oil circuit, end due to crank is solid part, inclined hole oil circuit is directly opened the surface of the belled part to crank by main shaft, directly the connecting rod be connected with crank is lubricated by inclined hole oil circuit, the layout of inclined hole oil circuit is without the need to after arranging and being communicated with bent axle to the oil circuit of crank end, recycling stopper structure carries out shutoff, decrease the quantity of component on bent axle, reduce manufacturing procedure.
The compressor oil line structure that the utility model provides, comprise cylinder block, be arranged at the crankshaft installed hole inside crankshaft of cylinder block, the piston be connected by connecting rod with bent axle, bent axle is provided with the oil feeding line that crank spindle is lubricated, one end of connecting rod is socketed on the belled part of crank, and the oil outlet end of inclined hole oil circuit is positioned on the surface of the belled part be socketed with connecting rod, is axially provided with is communicated with the middle oil circuit of oil outlet end to internal piston in connecting rod along it.Bent axle is supported by cylinder block, and drive pistons work by connecting rod, during bent axle work, the oil feeding line transmission of lubricant oil on crank spindle, and through inclined hole oil circuit, lubricant oil is delivered to the surface of crank, on the end face that the surface that inclined hole oil circuit is opened in crank is socketed with connecting rod, the inside of connecting rod arranges middle oil circuit, lubricant oil is sent to internal piston through middle oil circuit, because inclined hole oil circuit is directly set on the rotation end face of connecting rod and crank, effective lubrication is provided to connecting rod and crank, overlap contact surface simultaneously and lubrication pressure enough in oil circuit can be provided, to providing effective lubrication in piston, and the Position Design of inclined hole oil circuit is avoided adding extra component on crank, decrease manufacturing procedure, ensure that the functional reliability of compressor crank.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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 embodiment of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the oil channel structures schematic diagram of refrigerator compressor crankshaft in prior art;
The schematic diagram of the compressor oil line structure that Fig. 2 provides for the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, the schematic diagram of compressor oil line structure that provides for the utility model of Fig. 2.
A kind of bent axle 2, comprise the crank 2b of main shaft 2a and relative main 2a eccentric setting, main shaft 2a surface is provided with the oil feeding line 23 axially arranged along it, crank 2b comprises integrated solid part and belled part two-part, belled position is between solid part and main shaft 2a, and main shaft 2a offers with the inside, belled part of crank 2b and is communicated with the inclined hole oil circuit 25 of oil feeding line 23 to the surface of socket end.Main shaft 2a and crank 2b eccentric setting, oil feeding line 23 supplies the lubrication of lubricant oil to main shaft 2a surface, and be directly communicated with through inclined hole oil circuit 25 surface that oil feeding line 23 to crank 2b is socketed end, end due to crank 2b is solid part, inclined hole oil circuit directly by main shaft 2a open to crank 2b surface, directly the connecting rod be connected with crank 2b is lubricated by inclined hole oil circuit 25, the layout of inclined hole oil circuit 25 is without the need to after arranging and being communicated with bent axle 2a to the oil circuit of crank 2b end, recycling stopper structure carries out shutoff, decrease the quantity of component on bent axle, reduce manufacturing procedure.
In specific process, prior art adopt first offer run through crankshaft to through hole, there is more problem in the rear mode blocked.And this case inclined hole oil circuit 25 is directly offered run through crank 2b be socketed end surface to the oil feeding line 23 on main shaft 2a, the end of crank 2b is solid construction, avoid increase blocking problem.
Based on above-mentioned bent axle, the utility model provides a kind of compressor oil line structure, comprise cylinder block 1, be arranged at the bent axle 2 in the crankshaft installed hole of cylinder block 1, the piston 4 be connected by connecting rod 3 with bent axle 2, bent axle 2 is provided with the oil feeding line 23 that crank spindle 2a is lubricated, one end of connecting rod 3 is socketed on the belled part of crank 2b, the oil outlet end of inclined hole oil circuit 25 is positioned on the surface of the belled part be socketed with connecting rod 3, is axially provided with is communicated with the middle oil circuit 31 of oil outlet end to piston 4 inside in connecting rod 3 along it.Bent axle 2 is supported by cylinder block 1, and drive piston 4 to work by connecting rod 3, when bent axle 2 works, the oil feeding line 23 of lubricant oil on crank spindle 2a transmits, and through inclined hole oil circuit 25, lubricant oil is delivered to the surface of crank 2b, inclined hole oil circuit 25 is opened in the surface of crank 2b, and be communicated on the cover contact surface of crank 2b and connecting rod 3, the inside of connecting rod 3 arranges middle oil circuit 31, it is inner that lubricant oil is sent to piston 4 through middle oil circuit 31, because lubricant oil can directly be delivered on the rotation end face of connecting rod 3 and crank 2b by inclined hole oil circuit 25, effective lubrication is provided to connecting rod 3 and crank 2b, the middle oil circuit 31 of lubricant oil in connecting rod 3 is sent in piston 4, effective lubrication is provided in piston 4, and the Position Design of inclined hole oil circuit 25 is avoided adding extra component on crank 2b, decrease manufacturing procedure, ensure that the functional reliability of compressor crank.
In the utility model one specific embodiment, the oil outlet end of inclined hole oil circuit 25 is arranged in the annular groove on surface, belled part.Connecting rod 3 is rotatably assorted with the socket position of crank 2b, an annular groove enclosed around this belled part one is offered around its circumference in the belled part of crank 2b, then lubricant oil on the cover contact surface that inclined hole oil circuit 25 flow to crank 2b and connecting rod 3 after, the lubricant oil of inclined hole oil circuit 25 oil outlet end can be made to flow along annular groove, annular groove is communicated with the middle oil circuit 31 of connecting rod 3, the any instant lubricant oil that connecting rod 3 is rotated on crank 2b all can be real-time be sent in piston 4, improve lubricant oil and be delivered to efficiency in middle oil circuit 31.
In the utility model one specific embodiment, be provided with the wrist pin 5 be sleeved in connecting rod 3 in piston 4, middle oil circuit 31 extends to connecting rod 3 with on the cover contact surface of wrist pin 5.Connecting rod 3 stretches to the inside of piston 4, and wrist pin 5 is inserted into connecting rod 3 with in the attachment hole of piston 4 connecting end, and wrist pin 5 is erected on piston 4 inwall.Middle oil circuit 31 in connecting rod 3 is extended to connecting rod 3 with on the cover contact surface of wrist pin 5, rotational motion pair 6 between connecting rod 3 and wrist pin 5 is lubricated, lubricant oil is sent to piston 4 inside with wrist pin 5 and relatively rotating of connecting rod 3 after being sent into by middle oil circuit 31, thus piston 4 inside is lubricated, ensure piston 4 and the lubrication effect of cylinder, reduce the wearing and tearing in pistons work process.
In the utility model one specific embodiment, oil feeding line 23 is for being opened in main shaft 2a surface, and the helical oil groove between main shaft 2a and crankshaft installed hole inwall.The main shaft 2a of bent axle 2 is arranged in the crankshaft installed hole of cylinder block 1, oil feeding line 23 on main shaft 2a is opened in the surface of main shaft 2a, ensure that lubricant oil transmits along the fuel feeding direction of oil feeding line 23 by the inwall in crankshaft installed hole and the rotation end face of main shaft 2a, oil feeding line 23 is set to the helical oil groove of spiral surrounding on main shaft 2a simultaneously, there is provided effectively lubricating to the whole surface of main shaft 2a, ensure that lubricant oil is evenly distributed in the whole rotation end face of main shaft 2a and cylinder further.
In the utility model one specific embodiment, helical oil groove around the periphery of main shaft 2a, and extends along the axis of main shaft 2a, and oil inlet hole 22 and the oil outlet 24 of helical oil groove are all arranged on the surface of main shaft.Helical oil groove extends along the axis of main shaft 2a, after the power input side input lubricant oil of bent axle 2, inputs in cylinder block 1, thus lubricate the structure in cylinder block 1 through helical oil groove.The surface of main shaft 2a arranges oil inlet hole 22 and oil outlet 24 respectively, is convenient to design the position of helical oil groove, simultaneously the axile displacement of crank 2b and the main shaft 2a structure of arranging, the position of oil outlet 24 arranges and is easy to realize offering of inclined hole in bent axle 2.
In the utility model one specific embodiment, the drive end of main shaft 2a offers that to be arranged at main shaft 2a inner, and axially extends to along main shaft 2a the oil-feed oilhole 21 be communicated with helical oil groove.The drive end of bent axle 2 is connected with power plant, and drive end arranges the oil-feed oilhole 21 coaxially arranged with main shaft 2a, and lubricant oil is fed through in the rotation end face in main shaft 2a and crankshaft installed hole through oil-feed oilhole 21, and flows into helical oil groove through the oil inlet hole 22 of helical oil groove.
In the utility model one specific embodiment, oil-feed oilhole 21 sequential communication helical oil groove and inclined hole oil circuit 25, form the lubricating oil path of bent axle.Main shaft 2a and crank 2b is eccentric structure, the two shifts to install in the axial direction, therefore inclined hole oil circuit 25 design time, inclined hole oil circuit 25 departs from by the end of main shaft 2a the inclined hole structure that it axially extends to the inside of crank 2b, inclined hole oil circuit 25 is communicated in the helical oil groove on main shaft 2a by crank 2b, by inclined hole oil circuit 25 structure be in tilted layout, namely the normal delivery of lubricant oil is achieved, in turn ensure that the stability of bent axle 2 structure, and eventually through the middle oil circuit 31 on connecting rod 3, lubricant oil is sent in piston, ensure the stability that lubricant oil transmits.
Based on the compressor oil line structure provided in above-described embodiment, the utility model additionally provides a kind of compressor, comprise compressor housing and the compressor main body being arranged at compressor, compressor main body offers the compressor oil line structure its work being provided to lubricant oil, the compressor oil line structure of this compressor oil line structure for providing in such as above-described embodiment.
Because this compressor have employed the compressor oil line structure of above-described embodiment, so the beneficial effect that this compressor is brought by compressor oil line structure please refer to above-described embodiment.
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 utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model 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 (9)

1. a bent axle, it is characterized in that, comprise the crank (2b) of main shaft (2a) and relative described main shaft (2a) eccentric setting, described main shaft (2a) surface is provided with the oil feeding line (23) axially arranged along it;
Described crank (2b) comprises integrated solid part and belled part, described belled position is between described solid part and described main shaft (2a), and described main shaft (2a) and the inside of described belled part offer and is communicated with the inclined hole oil circuit of described oil feeding line (23) to the surface of described belled part.
2. a compressor oil line structure, comprise cylinder block (1), be arranged at the bent axle (2) in the crankshaft installed hole of described cylinder block (1), the piston (4) be connected by connecting rod (3) with described bent axle (2), it is characterized in that, described bent axle (2) is bent axle according to claim 1, one end of described connecting rod (3) is socketed on the belled part of described crank (2b), the oil outlet end of described inclined hole oil circuit (25) is positioned on the surface of the described belled part be socketed with described connecting rod (3), axially be provided with along it in described connecting rod (3) and be communicated with the middle oil circuit (31) of described oil outlet end to described piston (4) inside.
3. compressor oil line structure according to claim 2, is characterized in that, the oil outlet end of described inclined hole oil circuit (25) is arranged in the annular groove on the surface of described belled part.
4. compressor oil line structure according to claim 3, it is characterized in that, be provided with the wrist pin (5) be sleeved in connecting rod (3) in described piston (4), described middle oil circuit (31) extends to described connecting rod (3) with on the cover contact surface of described wrist pin (5).
5. compressor oil line structure according to claim 1, it is characterized in that, described oil feeding line (23) for being opened in described main shaft (2a) surface, and is positioned at the helical oil groove between described main shaft (2a) and described crankshaft installed hole inwall.
6. compressor oil line structure according to claim 5, it is characterized in that, described helical oil groove is around the periphery of described main shaft (2a), and extend along the axis of described main shaft (2a), oil inlet hole (22) and the oil outlet (24) of described helical oil groove are all arranged on the surface of described main shaft (2a).
7. compressor oil line structure according to claim 6, it is characterized in that, the drive end of described main shaft (2a) offers that to be arranged at described main shaft (2a) inner, and axially extends to along described main shaft (2a) the oil-feed oilhole (21) be communicated with described helical oil groove.
8. compressor oil line structure according to claim 7, is characterized in that, described oil-feed oilhole (21), helical oil groove are communicated with successively with described inclined hole oil circuit (25), form the oil circuit of described bent axle.
9. a compressor, comprise compressor housing and the compressor main body being arranged at described compressor, described compressor main body is provided with the compressor oil line structure its work being provided to lubricant oil, it is characterized in that, described compressor oil line structure is the compressor oil line structure described in claim 2-8 any one.
CN201420600466.0U 2014-10-16 2014-10-16 Compressor, compressor oil line structure and bent axle Active CN204140322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420600466.0U CN204140322U (en) 2014-10-16 2014-10-16 Compressor, compressor oil line structure and bent axle

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Application Number Priority Date Filing Date Title
CN201420600466.0U CN204140322U (en) 2014-10-16 2014-10-16 Compressor, compressor oil line structure and bent axle

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864027A (en) * 2016-06-16 2016-08-17 青岛万宝压缩机有限公司 Hermetically sealed electric compressor for refrigerator and crankshaft for hermetically sealed electric compressor
CN111069849A (en) * 2019-11-27 2020-04-28 珠海格力节能环保制冷技术研究中心有限公司 Cylinder block manufacturing method, cylinder block and compressor
CN113565739A (en) * 2021-07-05 2021-10-29 珠海格力节能环保制冷技术研究中心有限公司 Compressor crankshaft connecting rod oil supply mechanism and compressor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105864027A (en) * 2016-06-16 2016-08-17 青岛万宝压缩机有限公司 Hermetically sealed electric compressor for refrigerator and crankshaft for hermetically sealed electric compressor
CN105864027B (en) * 2016-06-16 2018-05-04 青岛万宝压缩机有限公司 Refrigerator Totally-enclosed-type motor compressor and its bent axle
CN111069849A (en) * 2019-11-27 2020-04-28 珠海格力节能环保制冷技术研究中心有限公司 Cylinder block manufacturing method, cylinder block and compressor
CN111069849B (en) * 2019-11-27 2021-06-29 珠海格力节能环保制冷技术研究中心有限公司 Cylinder block manufacturing method, cylinder block and compressor
CN113565739A (en) * 2021-07-05 2021-10-29 珠海格力节能环保制冷技术研究中心有限公司 Compressor crankshaft connecting rod oil supply mechanism and compressor

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