CN1626799A - Oil feeder for lubricant in reciprocal movement type compressor - Google Patents
Oil feeder for lubricant in reciprocal movement type compressor Download PDFInfo
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- CN1626799A CN1626799A CN 200310107321 CN200310107321A CN1626799A CN 1626799 A CN1626799 A CN 1626799A CN 200310107321 CN200310107321 CN 200310107321 CN 200310107321 A CN200310107321 A CN 200310107321A CN 1626799 A CN1626799 A CN 1626799A
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- lubricant oil
- oil
- piston
- spring
- lubricant
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- 239000000314 lubricant Substances 0.000 title claims description 146
- 239000003921 oil Substances 0.000 claims abstract description 222
- 239000010687 lubricating oil Substances 0.000 claims abstract description 27
- 238000000034 method Methods 0.000 claims description 11
- 235000019994 cava Nutrition 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 25
- 238000007906 compression Methods 0.000 description 25
- 230000004907 flux Effects 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 239000000446 fuel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 2
- 239000010725 compressor oil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The invention relates to a lubricating oil supply device of reciprocal compressor. It is characterized by that on two side surfaces of the lub oil piston in said reciprocal compressor a spring fixing portion is respectively formed, the above-mentioned lubricating oil spring can be placed and fixed on the above-mentioned spring fixing portion, so that the above-mentioned lub oil spring always can be relained in the orignial position, and said structure can make the lub oil spring be repeatedly comperssed and extended on the fixed position always so as to can raise oil supply performance.
Description
Technical field
The present invention relates to lubricant oil can be aspirated in a kind of reciprocating movement type compressor (pumping) and give oil supply unit of lubricating oil (APPARATUS FOR SUPPLYING OIL OF RECIPROCATINGCOMPRESSOR) of compression assembly, or rather, relate to a kind of oil supply unit of lubricating oil: the lubricant oil spring is not contacted with lubricated oil cylinder with reciprocating movement type compressor of following characteristics, thereby can improve oil supply performance, reduce wearing and tearing.
Background technique
In general, reciprocating movement type compressor is that linear motion by piston sucks and pressurized gas.Such reciprocating movement type compressor can be divided into following several mode substantially, rotatablely moving of drive motor is converted to the to-and-fro motion of piston that is:, thereby sucks the also mode of pressurized gas; Straight reciprocating motion by drive motor also moves back and forth piston, thereby sucks the also mode of pressurized gas.
Fig. 1 is the longitudinal sectional drawing of an a kind of example of existing reciprocating movement type compressor of mode after belonging to.As shown in the figure, existing reciprocating movement type compressor is by constituting with lower member, that is: casing 10, and a certain amount of lubricant oil is equipped with in its bottom, and is provided with gas suction pipe SP and the gas outlet pipe DP that is connected with external component above it; Frame assembly 20, the inside that keeps necessarily flexibly being installed in said machine casing 10; Reciprocating motion type electric machine 30 is fixed on the frame assembly 20, and its rotor 33 can be done straight reciprocating motion; Compression assembly 40 is connected on the rotor 33 of above-mentioned reciprocating motion type electric machine 30, and is subjected to the support of said frame assembly 20; Resonant spring assembly 50 can give elastic support to it, thereby cause resonance motion on the moving direction of the rotor 33 of reciprocating motion type electric machine 30; Lubricant oil fuel feeding assembly 60 is installed on the said frame assembly 20, lubricant oil can be aspirated (pumping) sliding position to compression assembly 40.
Reciprocating motion type electric machine 30 is by forming with the bottom, that is: outer stator 31, is installed between preceding square bearer 21 and the central frame 22; Inside stator 32 keeps certain intervals ground to be connected with outer stator 31, and insertion is installed in the cylinder (cylinder) 41 that is fixed on the preceding square bearer 21; Rotor 33 is installed between outer stator 31 and the inside stator 32, can do straight reciprocating motion.
Lubricant oil fuel feeding assembly 60 is by forming with the bottom, that is: the lubricant oil suction section 61, is installed in the Lower Half of frame assembly 20, can vibrate with said frame assembly 20, and the lubricant oil of casing 10 bottoms can be aspirated up in vibration; Lubricant oil oil supply gallery portion 62 is formed on the said frame assembly 20, and the outlet of lubricant oil suction section 61 is connected with compression assembly 40.
Lubricant oil suction section 61 is by forming with the bottom, that is: lubricated oil cylinder 61A is before being installed on the outer surface of the Lower Half of square bearer 21; Lubricant oil piston 61B, also can slide in the inside that is inserted in lubricated oil cylinder 61A, lubricant oil can be aspirated up; The 1st lubricant oil spring 61C and the 2nd lubricant oil spring 61D are supporting the two ends of lubricant oil piston 61B respectively; Lubricant oil valve 61E, the front of square bearer 21 before being installed in can make to be interconnected between lubricated oil cylinder 61A and the lubricant oil oil supply gallery portion 62 or isolation mutually; Lubricated oiled-plate method (sheet) 61F and lubricant oil lid 61G, can hold lubricant oil valve 61E, also possess the grease channel 61a that is connected with lubricated oil cylinder 61A and lubricant oil oil supply gallery portion 62 simultaneously, and they are fixedly mounted on the front of above-mentioned preceding square bearer 21.
Below the course of action with aforesaid reciprocating movement type compressor is elaborated:
If connected power supply on the reciprocating motion type electric machine 30, thereby the outside give surely 31 and inside stator 32 between formed magnetic flux (flux), the rotor 33 that is arranged on so in the space between above-mentioned outer stator 31 and the inside stator 32 can move along the direction of magnetic flux, and can move back and forth constantly under the effect of resonant spring assembly 50.Piston 42 also can move back and forth in the inside of cylinder 41 thus, and the volume of compression volume P is changed, thereby is drawn into refrigerant gas in the compression volume and is compressed, and then discharges.In this process, lubricant oil suction section 61 can be vibrated with frame assembly 20, thereby lubricant oil is drawn into the inside of casing 10 and flows to compression assembly 40, and then lubricant oil is recovered in the casing 10, and this a series of action can be carried out repeatedly.
At first, shown in Fig. 2 a, if lubricated oil cylinder 61A " A " direction in figure moves, lubricant oil piston 61B can move in the opposite direction with respect to lubricated oil cylinder 61A so, thereby the volume that makes lubricant oil piston 61B the place ahead becomes big, and pressure diminishes, meanwhile, the suction side of lubricant oil valve 61E can be opened, thereby makes the new lubricant oil in the casing 10 fill up the place ahead of lubricating oil cylinder 61A by lubricant oil suction pipe 61H.
Next shown in Fig. 2 b, if lubricated oil cylinder 61A " B " direction in figure moves, lubricant oil piston 61B can move in the opposite direction with respect to lubricated oil cylinder 61A so, the discharge side of lubricant oil valve 61E can be opened simultaneously, so just can release the lubricant oil in the place ahead that is filled in lubricated oil cylinder 61A.These lubricant oil can flow into lubricant oil oil supply gallery portion 62 by the grease channel 61a on the lubricant oil lid 61G, and then are transported to the cylinder 41 of above-mentioned compression assembly 40 and the sliding position between the piston 42.
But, there is following problem in the oil supply unit of lubricating oil of aforesaid existing reciprocating movement type compressor: because the 1st lubricant oil spring 61C is connected by the mode on two flank side surface that merely are close to lubricant oil piston 61B with the 2nd lubricant oil spring 61D, therefore sinkage can take place.Like this will along with compressing repeatedly and stretching, can produce the friction impedance between lubricant oil spring 61C, 61D and the lubricated oil cylinder 61A, thereby lubricant oil piston 61B can not be slided smoothly, and then cause greasy property to reduce as shown in Figure 2.
In addition, because the end of lubricant oil spring 61C, the 61D of both sides is stuck between the outer ring and lubricated oil cylinder 61A of bi-side of lubricant oil piston 61B easily, therefore can hinder lubricant oil piston 61B to slide, and the internal surface of the lubricated oil cylinder 61A of wearing and tearing, thereby foreign matter produced.Locate and these foreign matters can be entrained in the lubricant oil and flow into compression structure part etc., thereby pollute refrigerant gas.
Summary of the invention
The present invention designs in order to solve the aforesaid existing problem of existing reciprocating movement type compressor oil supply unit of lubricating oil, purpose is to provide a kind of oil supply unit of lubricating oil with reciprocating movement type compressor of following characteristics: prevent that the lubricant oil spring from contacting with lubricated oil cylinder because of sinking, thereby can improve greasy property.
In addition, the present invention also aims to provide a kind of end that can prevent the lubricant oil spring to be stuck in reciprocating motion type oil supply unit of lubricating oil between lubricant oil piston and the lubricated oil cylinder.
To achieve these goals, the invention provides a kind of oil supply unit of lubricating oil of reciprocating movement type compressor, comprising: casing, a certain amount of lubricant oil is equipped with in its inside; Framework is installed in the inside of casing and is subjected to elastic support, is used for fixing the installation reciprocating motion type electric machine, and possesses cylinder, and this cylinder can make the epitrochanterian piston that is connected reciprocating motion type electric machine realize straight reciprocating motion; Lubricated oil cylinder is connected lower half frame and also can vibrates with framework; The lubricant oil piston is inserted in the lubricated oil cylinder and can slides, and can carry out in the process of relative movement the lubricant oil of casing inside is aspirated up with framework; Several lubricant oil springs, elastic support the both sides of lubricant oil piston, can provide elastic force to above-mentioned lubricant oil piston; The lubricant oil valve is installed in the place ahead of lubricating oil cylinder, can regulate the suction and the discharge of lubricant oil; The lubricant oil lid can hold the lubricant oil valve, and the lubricant oil oil supply gallery that is possessed on the place ahead of above-mentioned lubricated oil cylinder and the framework can be coupled together.In the oil supply unit of lubricating oil of reciprocating movement type compressor with said structure feature, possesses the spring fixing part on two sides of lubricant oil piston, the end of above-mentioned lubricant oil spring can be assigned and be fixed on the above-mentioned spring fixing part, thereby can make the lubricant oil spring keep original position, the spring external diameter is littler than the internal diameter of lubricated oil cylinder.
In the oil supply unit of lubricating oil of reciprocating movement type compressor of the present invention, be used for fixing the spring fixing part lubricant oil spring, that give prominence to or cave in owing to formed on two flank side surface of lubricant oil piston, therefore can make each lubricant oil spring always can on the fixed position, realize compression and stretching, extension repeatedly, thereby can reduce the friction between lubricant oil spring and the lubricated oil cylinder.And the suction action of lubricant oil piston is more successfully carried out, thereby improve oil supply performance.
In addition, because the end of each lubricant oil spring is fixed on the lubricant oil piston, therefore can prevent that the end of lubricant oil spring is stuck between lubricant oil piston and the lubricated oil cylinder, thereby the internal surface that can prevent lubricated oil cylinder weares and teares.And can also prevent thus because of producing the phenomenon of foreign matter pollution lubricating oil.
Description of drawings
Fig. 1 is the longitudinal sectional drawing of an example of existing reciprocating movement type compressor;
Fig. 2 a and Fig. 2 b are the longitudinal sectional drawing that has shown the operating state of existing lubricant oil supplying device;
Fig. 3 is the longitudinal sectional drawing of an example of reciprocating movement type compressor of the present invention;
Fig. 4 a and Fig. 4 b are to be the longitudinal sectional drawing of the operating state of oil supply unit of lubricating oil of the present invention;
Fig. 5 is the longitudinal sectional drawing of a modified example of oil supply unit of lubricating oil of the present invention.
The critical piece description of reference numerals
10: casing (casing) 20: frame assembly (frame unit)
30: reciprocating motion type electric machine 40: compression assembly (unit)
50: resonant spring assembly (unit) 100: lubricant oil fuel feeding assembly
110: lubricant oil suction portion 111: lubricated oil cylinder (cylinder)
112: lubricant oil piston (piston) 112a: spring fixing part
113,114: the 1,2 lubricant oil springs 115: lubricant oil valve (valve)
116: lubricated oiled-plate method (sheet) 117: lubricant oil lid
118: lubricant oil suction pipe 120: lubricant oil oil supply gallery portion
Embodiment
Example is with reference to the accompanying drawings described in detail the oil supply unit of lubricating oil of reciprocating movement type compressor of the present invention.
Fig. 3 is the longitudinal sectional drawing of an example of reciprocating movement type compressor of the present invention, Fig. 4 a and Fig. 4 b are the longitudinal sectional drawings of the operating state of oil supply unit of lubricating oil of the present invention, and Fig. 5 is the longitudinal sectional drawing of a modified example of oil supply unit of lubricating oil of the present invention.
Shown in above-mentioned accompanying drawing, the reciprocating movement type compressor that possesses oil supply unit of lubricating oil of the present invention is by constituting with the bottom, that is: casing 10, and a certain amount of lubricant oil is equipped with in its inside; Frame assembly 20, the inside that keeps necessarily flexibly being installed in said machine casing 10; Reciprocating motion type electric machine 30 is fixed on the said frame assembly 20; Compression assembly 40 can move reciprocatingly with above-mentioned reciprocating motion type electric machine 30, thereby refrigerant gas is compressed; Resonant spring assembly 50 can make above-mentioned compression assembly 40 keep resonance motion; Lubricant oil fuel feeding assembly 100 is installed on the said frame assembly 20, lubricant oil can be aspirated (pumping) sliding position to compression assembly 40.
Reciprocating motion type electric machine 30 is by forming with the bottom, that is: outer stator 31 and inside stator 32 leave certain space between them, and they are fixed by preceding square bearer 21 and central frame 23 respectively; Rotor 31 is installed between outer stator 31 and the inside stator 32 and also can does straight reciprocating motion.
Lubricant oil fuel feeding assembly 100 is by forming with the bottom, that is: the lubricant oil suction section 110, is installed in the Lower Half of frame assembly 20, can vibrate with said frame assembly 20, and the lubricant oil of casing 10 bottoms can be aspirated up in vibration; Lubricant oil oil supply gallery portion 120 is formed on the said frame assembly 20, and the outlet of lubricant oil suction section 110 is connected with compression assembly 40.
Lubricant oil suction section 110 is by forming with the bottom, that is: lubricated oil cylinder 111 is before being installed on the outer surface of the Lower Half of square bearer 21; Lubricant oil piston 112, also can slide in the inside that is inserted in lubricated oil cylinder 111, lubricant oil can be aspirated up; The 1st lubricant oil spring 113 and the 2nd lubricant oil spring 114 are supporting the two ends of lubricant oil piston 112 respectively; Lubricant oil valve 115, the front of square bearer 21 before being installed in can make to be interconnected between lubricated oil cylinder 111 and the lubricant oil oil supply gallery portion 120 or isolation mutually; Lubricated oiled-plate method (sheet) 116 and lubricant oil lid 117, can hold lubricant oil valve 115, also possess the grease channel 111a that is connected with lubricated oil cylinder 111 and lubricant oil oil supply gallery portion 120 simultaneously, and they are fixedly mounted on the front of above-mentioned preceding square bearer 21.
The central position of two sides of lubricant oil piston 112 can be shown in Fig. 4 a and Fig. 4 b, form outstanding spring fixing part 112a, above-mentioned the 1st lubricant oil spring 113 and the 2nd lubricant oil spring 114 can be fixed on by the method that is pressed on the above-mentioned spring fixing part 112a.Also can be as shown in Figure 5, certain degree of depth caves inward.
The 1st lubricant oil spring 113 and the 2nd lubricant oil spring 114 be coil compression springs (coilspring) preferably, and their external diameter is littler than the internal diameter that lubricates oil cylinder 11 at least.
In addition, though not shown in the figures, supporting the position of the other end of above-mentioned the 1st lubricant oil spring 113 and the 2nd lubricant oil spring 114, as also forming above-mentioned spring fixing part (not shown) on preceding square bearer 21 or the central frame 22.
For those parts same as the prior art among the figure, use identical symbol here.
Action effect to the oil supply unit of lubricating oil of aforesaid reciprocating movement type compressor of the present invention is elaborated below.
If connected power supply on the reciprocating motion type electric machine 30, thereby between outer stator 31 and inside stator 32, formed magnetic flux (flux), rotor 33 can move along the direction of magnetic flux so, and can move back and forth constantly under the effect of resonant spring assembly 50.Piston 42 also can move back and forth in the inside of cylinder 41 thus, thereby is drawn into refrigerant gas in the compression volume P and is compressed, and then discharges.In this process, the lubricant oil of casing 10 inside can be sucked by the lubricant oil suction pipe 1 17 that vibrates with compressor body, and these lubricant oil can be transported to sliding position between cylinder 41 and the piston 42 along lubricant oil feeding pipe road portion 120, and then be recycled in the casing 10, and this a series of actions meeting is carried out repeatedly.
Process to suction lubricant oil illustrates in further detail below.
At first, if frame assembly " A " direction in figure shown in Fig. 4 a moves, lubricant oil piston 112 can do relative motion in lubricated oil cylinder 111 so, becomes the state to the direction motion opposite with frame assembly 20, can make the suction side unlatching of lubricant oil valve 115 thus.
If frame assembly " B " direction in figure shown in Fig. 4 b moves, lubricant oil piston 112 can do relative motion in lubricated oil cylinder 111 so, become state to the direction motion opposite with frame assembly 20, the suction side of lubricant oil valve 115 is closed, discharged side on the contrary and open.
Here, the 1st lubricant oil spring 113 and the 2nd lubricant oil spring 114 can be respectively along the moving direction of lubricant oil piston 112, reestablish diplomatic relations in the inner counter of lubricated oil cylinder 111 and to replace elongation or withdrawal, and have following hidden danger in this process, promptly their outer surface is careless slightly will contact with lubricated oil cylinder 111.However, but in the present invention, since on two sides of lubricant oil piston 112 shown in Fig. 4 a, formed the spring fixing part 112a of the position that can fix the 1st lubricant oil spring 113 and the 2nd lubricant oil spring 114, thereby make each lubricant oil spring 113114 keep compressing repeatedly and stretching under the state of certain interval t, so can reduce the friction between lubricant oil spring 113114 and the lubricated oil cylinder 111 effectively with lubricated oil cylinder 111.
In addition, shown in Fig. 4 b, because the end of the 1st lubricant oil spring 113 and the 2nd lubricant oil spring 114 is fixed on the lubricant oil piston 112, therefore can prevent that the end of lubricant oil spring 113114 is stuck between lubricant oil piston 112 and the lubricated oil cylinder 111, thereby can prevent in advance that above-mentioned lubricated oil cylinder 111 from wearing and tearing.
Claims (3)
1, a kind of oil supply unit of lubricating oil of reciprocating movement type compressor comprises:
Casing, a certain amount of lubricant oil is equipped with in its inside; Framework is installed in the inside of casing and is subjected to elastic support, is used for fixing the installation reciprocating motion type electric machine, and it possesses cylinder, and this cylinder can make the epitrochanterian piston that is connected reciprocating motion type electric machine realize straight reciprocating motion; Lubricated oil cylinder is connected lower half frame and also can vibrates with framework; The lubricant oil piston is inserted in the lubricated oil cylinder and can slides, and can carry out in the process of relative movement the lubricant oil of casing inside is aspirated up with framework; Several lubricant oil springs, elastic support the both sides of lubricant oil piston, can provide elastic force to above-mentioned lubricant oil piston; The lubricant oil valve is installed in the place ahead of lubricating oil cylinder, can regulate the suction and the discharge of lubricant oil; The lubricant oil lid can hold the lubricant oil valve, and the lubricant oil oil supply gallery that is possessed on the place ahead of above-mentioned lubricated oil cylinder and the framework can be coupled together;
In the oil supply unit of lubricating oil of above-mentioned reciprocating movement type compressor, has the spring fixing part on two sides of lubricant oil piston, the end of above-mentioned lubricant oil spring can be assigned and be fixed on the above-mentioned spring fixing part, thereby can make the lubricant oil spring keep original position, the spring external diameter is littler than the internal diameter of lubricated oil cylinder.
2, the oil supply unit of lubricating oil of reciprocating movement type compressor according to claim 1 is characterized in that:
The spring fixing part is outstanding forming on two flank side surface of lubricant oil piston.
3, the oil supply unit of lubricating oil of reciprocating movement type compressor according to claim 1 is characterized in that:
Spring fixing part certain degree of depth that caves on the central position of two flank side surface of lubricant oil piston forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310107321 CN1626799A (en) | 2003-12-12 | 2003-12-12 | Oil feeder for lubricant in reciprocal movement type compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310107321 CN1626799A (en) | 2003-12-12 | 2003-12-12 | Oil feeder for lubricant in reciprocal movement type compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1626799A true CN1626799A (en) | 2005-06-15 |
Family
ID=34758125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310107321 Pending CN1626799A (en) | 2003-12-12 | 2003-12-12 | Oil feeder for lubricant in reciprocal movement type compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1626799A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083629A1 (en) * | 2007-01-11 | 2008-07-17 | Minzhang Zhao | A grease applying device with a driving plate and a lubricating pumping station |
| CN104153973A (en) * | 2013-05-14 | 2014-11-19 | 海尔集团公司 | Oil supply device and linear compressor comprising same |
-
2003
- 2003-12-12 CN CN 200310107321 patent/CN1626799A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083629A1 (en) * | 2007-01-11 | 2008-07-17 | Minzhang Zhao | A grease applying device with a driving plate and a lubricating pumping station |
| CN104153973A (en) * | 2013-05-14 | 2014-11-19 | 海尔集团公司 | Oil supply device and linear compressor comprising same |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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