CN203488958U - Oil pump assembly - Google Patents

Oil pump assembly Download PDF

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Publication number
CN203488958U
CN203488958U CN201320500445.7U CN201320500445U CN203488958U CN 203488958 U CN203488958 U CN 203488958U CN 201320500445 U CN201320500445 U CN 201320500445U CN 203488958 U CN203488958 U CN 203488958U
Authority
CN
China
Prior art keywords
cap
oil
pump assembly
piston
cavity
Prior art date
Application number
CN201320500445.7U
Other languages
Chinese (zh)
Inventor
黄建平
陈柱锦
Original Assignee
珠海格力节能环保制冷技术研究中心有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to CN201210303178.4 priority Critical
Priority to CN201210303178 priority
Application filed by 珠海格力节能环保制冷技术研究中心有限公司 filed Critical 珠海格力节能环保制冷技术研究中心有限公司
Priority to CN201320500445.7U priority patent/CN203488958U/en
Application granted granted Critical
Publication of CN203488958U publication Critical patent/CN203488958U/en

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Abstract

The utility model discloses an oil pump assembly comprising a first end cover, a second end cover, a piston and elastic components. The first end cove is connected with the second end cover to form a cavity; the piston is placed in the first end cover; the cavity is divided into a first cavity and a second cavity via the piston; each end of the piston is provided with the elastic component; the first end cover or the second end cover is provided with an oil inlet and an oil outlet; the oil inlet is provided with an oil inlet valve block or a first one-way valve; the oil outlet is provided with an oil outlet valve block or a second one-way valve; an end surface of the second end cover or the first end cover is provided with a through hole; with a compressor pump body, the piston and linear vibration with a parallel direction with the compressor pump body conduct reciprocating motion in the first end cover to change pressure intensity in the first cavity or the cavity, so that the oil inlet valve block, the first one-way valve, the oil outlet valve block or the second one-way valve can be opened or closed; and with the oil pump assembly, reciprocating mechanical vibration energy can be transferred to oil supplying power, so mechanical vibration can be reduced and radiation noise can be lowered.

Description

Oil pump assembly
Technical field
The utility model relates to a kind of oil pump assembly, especially utilizes reciprocating linear vibrational energy that lubricant oil is transported to and needs lubricated position.
Background technique
For the machinery that rotatablely moves, be mainly to utilize the centrifugal oil pump that rotarily drives of its running shaft to move, during centrifugal oil pump motion, utilize the effect of centrifugal force that lubricant oil is transported to and needs lubricated position, thereby realize the lubricated of the moving elements such as bearing, piston.But for the machinery of linear reciprocating motion, lubricating system can be divided into two types of splash lubrication and pressure lubrications.Splash lubrication is the mechanism of utilizing moving parts, lubricant oil is delivered to and needed lubricated friction surface, for example, for semi-closed compressor, just adopt splash lubrication, in connnecting rod big end lower end, oil skipper is got rid of in installing on the one hand, oil in crankcase is got rid of to cylinder minute surface to the friction surface between lube pistons and cylinder wall; On the other hand, on the axle of motor one end, disc is housed, oil has been got rid of and has been collected on the oil-collecting cell of motor side end cap, by the oil duct in bent axle, lubricating spindle holds and connecting rod bearing, but above each lubricating system of application, the straight-line oscillation of machine and radiation noise are all larger.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides oil pump assembly a kind of simple in structure, reasonable in design, easy-to-dismount, and the utility model is realized the technological scheme that above-mentioned purpose adopts and is:
An oil pump assembly, comprises the first end cap, the second end cap, piston and elastic member; Described the first end cap connects described the second end cap and forms cavity, and described piston is placed in described the first end cap, and described piston is divided into the first cavity and the second cavity by described cavity, and every end of described piston is provided with a described elastic member;
Described the first end cap or the second end cap are provided with oil inlet hole and oil outlet, described oil inlet hole place is provided with oil-feed valve block or the first one-way valve, described oil outlet place sets out fuel tap sheet or the second one-way valve, the end face of described the second end cap or the first end cap is provided with through hole, and described the second cavity or the first cavity and the oil pump external world are communicated with;
Described piston is by the extraneous straight-line oscillation to-and-fro motion in described the first end cap paralleling with its moving direction of oil pump, in order to change the pressure in described the first cavity or the second cavity;
When described the first cavity with described oil inlet hole or oil outlet UNICOM or the pressure in the second cavity are less than its oil pump outside pressure, described fuel-displaced valve block or the second closed check valve, described oil-feed valve block or the first one-way valve opens;
When described the first cavity with described oil inlet hole or oil outlet UNICOM or the pressure in the second cavity are during higher than its oil pump outside pressure, described fuel-displaced valve block or the second one-way valve opens, described oil-feed valve block or the first closed check valve.
More preferably, described piston is placed in described the first end cap, and described the second end cap is provided with oil inlet hole and oil outlet.
More preferably, the oil outlet place of described the second end cap is provided with protruding counterbore, and described fuel-displaced valve block is placed in described counterbore;
Described oil pump assembly also comprises fuel-displaced end cap, and described fuel-displaced end cap is for coordinating with described counterbore, the Placement of described fuel-displaced end cap and described counterbore for being threaded, bonding connection or interference fit.
More preferably, described fuel-displaced end cap is hollow multidiameter shaft, and sectional shape is in T shape, and the end that its diameter is large embeds in described counterbore.
More preferably, the inwall of the inner and outer wall of described the first end cap, described the second end cap is cylindrical, and described piston is also cylindrical;
The internal diameter of described the second end cap is greater than the internal diameter of described the first end cap.
More preferably, the angle between described oil inlet hole and the shaft axis of oil outlet is 30 degree~240 degree.
More preferably, the angle between described oil inlet hole and the shaft axis of oil outlet is 90 degree ± 5 degree or 180 degree ± 5 degree.
More preferably, the Placement of described the first end cap and the second end cap for being threaded, bonding connection or interference fit.
More preferably, described oil-feed valve block and fuel-displaced valve block are tinsel or plastic sheet or sheet rubber.
More preferably, described elastic member is spring or shell fragment, and the external diameter of described spring or shell fragment is greater than the internal diameter of described through hole.
The utility model changes fuel feeding power by this disadvantageous vibrational energy, plays the effect that turns waste into wealth; The power that oil pump assembly is required, has reduced the unfavorable vibration of machinery, reduces mechanical vibration and radiated noise thereof, guarantees the lubricated of reciprocating machine kinetic friction position.
Accompanying drawing explanation
Fig. 1 is that the oil inlet hole of oil pump assembly and the angle of oil outlet are the structural representation of 90 °;
Fig. 2 is that the oil inlet hole of oil pump assembly and the angle of oil outlet are the structural representation of 180 °;
Wherein,
1 first end cap; 2 pistons; 3 second end caps; 41 first springs; 42 second springs;
5 fuel-displaced end caps; 6 oil-feed valve blocks; 7 fuel-displaced valve blocks; 8 oil inlet pipes.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearer, below in conjunction with drawings and Examples, in the embodiment to oil pump component application of the present utility model in piston type reciprocating compressor, be further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
See figures.1.and.2, oil pump assembly one embodiment of the present utility model comprises oil pump the first end cap 1, piston 2, the second end cap 3, the first spring 41, the second spring 42, fuel-displaced end cap 5, oil-feed valve block 6, fuel-displaced valve block 7 and oil inlet pipe 8, wherein, the inwall of the inner and outer wall of the first end cap 1, the second end cap 3 is cylindrical, the second end cap 3 interior through being greater than the interior warp of the first end cap 1, the first end cap 1 connects the second end cap 3 and forms cavitys, the Placement of the first end cap 1 and the second end cap 2 for being threaded, bonding connection or interference fit.
Piston 2 is also cylindrical, piston 2 is arranged in the first end cap 1, described cavity is divided into two, be that piston 2 is divided into the first cavity and the second cavity by described cavity, piston 2 can be in the interior to-and-fro motion of the first end cap 1, one end of piston 2 is provided with the first spring 41, the other end of piston 2 is provided with the second spring 42, the first spring 41 is positioned at the first cavity, the second spring 42 is positioned at the second cavity, the first spring 41 is identical with the second spring 42, the first end of the first spring 41 and piston 1 upper end portion butt, the interior edge face butt of the second end of the first spring and the first end cap 1, can be with piston 2 to-and-fro motion, the first end of the second spring 42 and piston 1 underpart butt, the second end of the second spring 42 and oil-feed valve block 6 butts.
The upper-end surface of the first end cap 1 is provided with through hole, described the first cavity and the oil pump external world is communicated with, thereby can produces pressure difference in the time of can making piston 2 to-and-fro motion; For preventing that the first spring 41 from passing described through hole, the internal diameter of described through hole is less than the external diameter of the first spring 41.
The oil inlet hole that the bottom of the second end cap 3 arranges connects oil inlet pipe 8, oil inlet pipe 8 is for UNICOM's oil sump, and described oil inlet hole place is provided with the first counterbore, for oil-feed valve block 6 is set, oil-feed valve block 6 is tinsel or plastic sheet or sheet rubber, can On/Off described in oil inlet hole.
The oil outlet of the sidepiece setting of the second end cap 3 connects fuel-displaced end cap 5, described oil outlet place is provided with the second counterbore of projection, in described the second counterbore, be provided with fuel-displaced valve block 7, fuel-displaced valve block 7 is tinsel or plastic sheet or sheet rubber, can On/Off described in oil outlet;
Oil pump assembly also comprises fuel-displaced end cap 5, fuel-displaced end cap 5 is hollow multidiameter shaft, sectional shape is in T shape, fuel-displaced end cap 5 is for coordinating with described the second counterbore, the large end of diameter of fuel-displaced end cap 5 embeds in described the second counterbore, fuel-displaced end cap 5 is with the Placement of described the second counterbore for being threaded or bonding connection, and fuel-displaced end cap 5 is interference fit with the fit system of described the second counterbore, and fuel-displaced end cap 5 is connected to and is needed lubricated position by flexible pipe or passage.
Angle between described oil inlet hole and the shaft axis of oil outlet is 30 degree~240 degree, preferred, and the angle between described oil inlet hole and the shaft axis of oil outlet is 90 degree ± 5 degree or 180 degree ± 5 degree.
Oil pump assembly is fixed on the cylinder of piston type reciprocating compressor (not shown), the length direction of piston 2 is parallel with the axis of described cylinder, when the piston of piston type reciprocating compressor is done continuous to-and-fro motion and produced when vibration in cylinder, its direction of vibration is parallel with the moving direction of the piston 2 of oil pump assembly, pump oil assembly is passed in vibration during the linear reciprocating motion of piston type reciprocating compressor, the piston 2 of oil pump assembly is in the interior to-and-fro motion of the first end cap 1, when piston 2 is moved to position B direction by position A, the first spring 41 is compressed, the second spring 42 is moved to position B direction by position A with piston 2, described piston is along with the vibration of compressor is moved to position B, oil-feed valve block 6 is opened, fuel-displaced valve block 7 closures, lubricant oil enters in described second cavity at the second spring 42 places through oil inlet pipe 8 from oil sump,
When piston 2 is moved to position A direction by position B, the second spring 42 is compressed, the first spring 41 is moved to position A direction by position B with piston 2, described piston is along with the vibration of compressor is moved to position A, oil-feed valve block 6 is closed, fuel-displaced valve block 7 is opened, and lubricant oil is compressed into flexible pipe or the passage that fuel-displaced end cap 5 connects in second cavity at the second spring 42 places, and being admitted to cylinder frame or bent axle etc. needs lubricated position.This pump oil assembly is along with the vibration of compressor pump, and above-mentioned reciprocating motion of the pistons, is fed to oil to need lubricated position.
This oil pump assembly changes fuel feeding power by this disadvantageous vibrational energy, plays the effect that turns waste into wealth; The power that oil pump assembly is required, the unfavorable vibration that has consumed machinery, has reduced mechanical vibration and radiated noise thereof, guarantees the lubricated of reciprocating machine kinetic friction position.
The above embodiment has only expressed several mode of execution of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (10)

1. an oil pump assembly, is characterized in that:
Comprise the first end cap, the second end cap, piston and elastic member;
Described the first end cap connects described the second end cap and forms cavity, and described piston is placed in described the first end cap, and described piston is divided into the first cavity and the second cavity by described cavity, and every end of described piston is provided with a described elastic member;
Described the first end cap or described the second end cap are provided with oil inlet hole and oil outlet, described oil inlet hole place is provided with oil-feed valve block or the first one-way valve, described oil outlet place sets out fuel tap sheet or the second one-way valve, the end face of described the second end cap or the first end cap is provided with through hole, and described the second cavity or the first cavity and the oil pump external world are communicated with.
2. oil pump assembly according to claim 1, is characterized in that:
Described piston is placed in described the first end cap, and described the second end cap is provided with oil inlet hole and oil outlet.
3. oil pump assembly according to claim 1 and 2, is characterized in that:
The oil outlet place of described the second end cap is provided with protruding counterbore, and described fuel-displaced valve block is placed in described counterbore;
Described oil pump assembly also comprises fuel-displaced end cap, and described fuel-displaced end cap is for coordinating with described counterbore, the Placement of described fuel-displaced end cap and described counterbore for being threaded, bonding connection or interference fit.
4. oil pump assembly according to claim 3, is characterized in that:
Described fuel-displaced end cap is hollow multidiameter shaft, and sectional shape is in T shape, and the end that its diameter is large embeds in described counterbore.
5. oil pump assembly according to claim 3, is characterized in that:
The internal diameter of described the second end cap is greater than the internal diameter of described the first end cap.
6. oil pump assembly according to claim 1 and 2, is characterized in that:
Angle between described oil inlet hole and the shaft axis of oil outlet is 30 degree~240 degree.
7. oil pump assembly according to claim 6, is characterized in that:
Angle between described oil inlet hole and the shaft axis of oil outlet is 90 degree ± 5 degree or 180 degree ± 5 degree.
8. oil pump assembly according to claim 1 and 2, is characterized in that:
The Placement of described the first end cap and the second end cap for being threaded, bonding connection or interference fit.
9. oil pump assembly according to claim 1 and 2, is characterized in that:
Described oil-feed valve block and fuel-displaced valve block are tinsel or plastic sheet or sheet rubber.
10. oil pump assembly according to claim 1 and 2, is characterized in that:
Described elastic member is spring or shell fragment, and the external diameter of described spring or shell fragment is greater than the internal diameter of described through hole.
CN201320500445.7U 2012-08-23 2013-08-15 Oil pump assembly CN203488958U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201210303178.4 2012-08-23
CN201210303178 2012-08-23
CN201320500445.7U CN203488958U (en) 2012-08-23 2013-08-15 Oil pump assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320500445.7U CN203488958U (en) 2012-08-23 2013-08-15 Oil pump assembly

Publications (1)

Publication Number Publication Date
CN203488958U true CN203488958U (en) 2014-03-19

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CN201310357117.0A CN103629506B (en) 2012-08-23 2013-08-15 Oil pump assembly
CN201320500445.7U CN203488958U (en) 2012-08-23 2013-08-15 Oil pump assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629506A (en) * 2012-08-23 2014-03-12 珠海格力节能环保制冷技术研究中心有限公司 Oil pump assembly
CN106089645A (en) * 2016-08-03 2016-11-09 珠海凌达压缩机有限公司 The oil-adding mechanism of compressor and compressor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106321407A (en) * 2015-07-07 2017-01-11 珠海格力节能环保制冷技术研究中心有限公司 Oil pump device and compressor with same
CN106122742B (en) * 2016-06-15 2019-10-25 珠海格力电器股份有限公司 Oil pump component and linear compressor with it

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US2343302A (en) * 1940-08-03 1944-03-07 Auto Research Corp Lubrication
US4006797A (en) * 1975-05-15 1977-02-08 Caterpillar Tractor Co. Cam actuated lubrication pump
CN2067348U (en) * 1990-06-12 1990-12-12 曹岐 Hand oil feeder
KR100301506B1 (en) * 1998-12-28 2001-11-30 구자홍 Oil feeder for linear compressor
IES990890A2 (en) * 1999-10-22 2001-05-02 Barcarole Ltd Fluid Pump
CN2536339Y (en) * 2002-01-22 2003-02-19 浙江工业大学 Hydraulic spring environment protecting saw
CN201377668Y (en) * 2009-04-16 2010-01-06 易安基自动化设备(北京)有限公司 Gravitational vibration-type automatic lubricating pump
CN201575287U (en) * 2009-12-17 2010-09-08 吴三曼 Electric butter filling machine
CN101982700B (en) * 2010-10-19 2012-03-21 力帆实业(集团)股份有限公司 Automatic oiling machine for automobile production line
CN103629506B (en) * 2012-08-23 2016-08-10 珠海格力节能环保制冷技术研究中心有限公司 Oil pump assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103629506A (en) * 2012-08-23 2014-03-12 珠海格力节能环保制冷技术研究中心有限公司 Oil pump assembly
CN103629506B (en) * 2012-08-23 2016-08-10 珠海格力节能环保制冷技术研究中心有限公司 Oil pump assembly
CN106089645A (en) * 2016-08-03 2016-11-09 珠海凌达压缩机有限公司 The oil-adding mechanism of compressor and compressor

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CN103629506B (en) 2016-08-10
CN103629506A (en) 2014-03-12

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GR01 Patent grant
C25 Abandonment of patent right or utility model to avoid double patenting
AV01 Patent right actively abandoned

Granted publication date: 20140319

Effective date of abandoning: 20160810