CN202302660U - Oil pump main body for connecting rod-free reciprocating-rotating motion switching mechanism, oil pump with pump body, internal combustion engine and compressor with oil pump - Google Patents
Oil pump main body for connecting rod-free reciprocating-rotating motion switching mechanism, oil pump with pump body, internal combustion engine and compressor with oil pump Download PDFInfo
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- CN202302660U CN202302660U CN 201120237672 CN201120237672U CN202302660U CN 202302660 U CN202302660 U CN 202302660U CN 201120237672 CN201120237672 CN 201120237672 CN 201120237672 U CN201120237672 U CN 201120237672U CN 202302660 U CN202302660 U CN 202302660U
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- plunger
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Abstract
The utility model discloses an oil pump for a connecting rod-free reciprocating-rotating motion switching mechanism, which is characterized by comprising an oil inlet connector and an oil pump main body, wherein the oil pump main body comprises a shell and a support, and a pressure regulating valve and a pressure regulating cavity are arranged in the shell. The oil pump main body can be directly assembled on a machine body of equipment instead of being assembled on an oil pan, accordingly, the machine design and manufacturing are simplified, in addition, the pressure regulating valve and the pressure regulating cavity are arranged in the oil pump main body, so the pressure regulating purpose is realized. The utility model simultaneously provides an oil pump main body as well as an internal combustion engine and a compressor which adopt the oil pump.
Description
Technical field
The utility model relates to the lubricating pump of internal-combustion engine or compressor, be specifically related to a kind of be applied to connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism.The utility model relates to a kind of oil pump body simultaneously and adopts the connection rod-free reciprocating of this oil pump conversion equipment that answer-rotatablely moves.
Background technique
In traditional internal-combustion engine and compressor, realize that the to-and-fro motion and the mechanism of the conversion each other that rotatablely moves are connecting rod.Yet defectives such as in connecting rod, because the existence of connecting rod, that the internal-combustion engine of connecting rod and compressor have is bulky, heavy, balance quality difference.
For addressing the above problem, the authorization day for announcing is that the Chinese patent that December 14, notification number in 1988 are CN85100359B discloses a kind of " crankshaft circalar slide block reciprocating piston compressor ".Notice of authorization day is June 27 calendar year 2001, notice of authorization number to disclose a kind of " crank and double-round slide reciprocating piston internal combustion engine " for the Chinese patent of CN1067741C.Notice of authorization day is June 27 calendar year 2001, notice of authorization number to disclose a kind of " crank and multi-round slide reciprocating piston internal combustion engine " for the Chinese patent of CN1067742C.In application number was 200910210785.4 one Chinese patent application file, mechanism's (being also referred to as end axle-movable shaft mechanism) of a kind of connection rod-free reciprocating reciprocating motion and the conversion each other that rotatablely moves was disclosed.
Disclosed internal-combustion engine of above-mentioned Chinese patent and compressor common feature are in to-and-fro motion and the switching mechanism that rotatablely moves wherein, have cancelled connecting rod.Thereby the shortcoming that the equipment that has overcome connecting rod is above-mentioned.If need further to understand the detailed content of above-mentioned Chinese patent, please refer to the open source literature of above-mentioned Chinese patent.
In the Small Universal internal-combustion engine and micro-compressor of Traditional use connecting rod; The oil pump that type need not be special is greatly arranged; But parts such as spindle through being arranged at connnecting rod big end or oil skipper stir oil in the oil sump of oil sump, form mist of oil and provide lubricated to the movement parts of machine.And,, in movement parts, do not make the component of similar link motion owing to there not being connecting rod at the equipment that adopts circular slider-crank mechanism or end axle-movable shaft mechanism yet, it is lubricated to be difficult to be with traditional this kind mechanism that connecting rod was adopted that body provides.
The model utility content
The utility model provide a kind of be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, this oil pump can be applicable to adopt in the equipment that connection rod-free reciprocating answer-rotatablely moves, and realizes it is lubricated.The equipment that the utility model provides a kind of oil pump body in addition and uses this oil pump.
The utility model provides a kind of be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, comprise fuel inlet fitting and oil pump body;
Said fuel inlet fitting comprises shell, and its shell is provided with the interface that the reciprocating part of-rotary motion conversion mechanism multiple with connection rod-free reciprocating is connected, and portion is provided with passage within it, is called first passage; After said fuel inlet fitting was arranged on the reciprocating part, this first passage was connected with oil leab on the reciprocating part;
Said oil pump body comprises housing, plunger, first elastic element, second elastic element, pressure regulator valve, look nut and support; Wherein, the cavity of both ends open is set in the said housing, this cavity is divided into first portion and second portion vertically, is called active chamber and pressure regulating cavity respectively, and the radial dimension of pressure regulating cavity is greater than the radial dimension of active chamber; Contract in the open end of said active chamber, form the supporting portion, the open end of pressure regulating cavity is provided with internal thread;
Sidewall at said active chamber is provided with the through hole that is communicated with this chamber, is called filler opening;
Said plunger is column, and passage is set vertically, and this passage is a second channel, and said plunger outer wall matches with the shape of said active chamber inwall, and is arranged in the active chamber with reciprocating mode;
The said pressure regulator valve and second elastic element are arranged in the said cavity second portion pressure regulating cavity; Pressure regulator valve props up the step between active chamber and the pressure regulating cavity; Look nut screws on the internal thread of pressure regulating cavity open end, and second elastic element is arranged between look nut and the pressure regulator valve;
The said plunger and first elastic element are arranged in the active chamber, and plunger is arranged between supporting portion and the filler opening, and the first elastic element two ends prop up said pressure regulator valve and plunger respectively;
Said support comprises U-shaped body and the joining part of being extended to both sides by said bodies top; Said joining part is the joint that the body of this support and equipment is connected; Be provided with through hole in U-shaped body bottom; Said oil pump housing is fixedly set in U-shaped body bottom, and said through hole is connected with the opening of said active chamber.
When said oil pump body and fuel inlet fitting are used; Fuel inlet fitting is arranged at the reciprocating part bottom; The oil pump housing fixedly is assemblied on the body of equipment and through hole and fuel inlet fitting on this U-shaped body is aligned through support; First passage and second channel align, and it is the initial point to-and-fro motion with the filler opening that fuel inlet fitting can promote plunger during with the reciprocating part to-and-fro motion.
Optional, said first elastic element and second elastic element are pressure spring.
Optional, the U-shaped body of said oil pump body and said support is integrally formed.
Optional, in the bottom of said U-shaped body tapped through hole is set, be called the housing mounting hole; The threaded coupling that matches with the housing mounting hole in the outer side wall setting of the housing top of said oil pump; The threaded coupling of said oil pump body screws in said housing mounting hole, makes said oil pump housing be arranged at the bottom of support U-shaped body.
Optional, said plunger end outer side wall is provided with circular groove, is called anti-draw-in groove.
Optional, the oil pump body also comprises filter screen, said filter screen is provided with around said housing periphery, and covers said oil inlet hole at least.
Optional, in the first passage hole of said fuel inlet fitting one-way valve is set.
The utility model also provides a kind of oil pump body, cooperates with fuel inlet fitting to constitute oil pump, and said oil pump body comprises housing, plunger, first elastic element, second elastic element, pressure regulator valve, look nut and support;
Wherein, the cavity of both ends open is set in the said housing, this cavity is divided into first portion and second portion vertically, is called active chamber and pressure regulating cavity respectively, and the radial dimension of pressure regulating cavity is greater than the radial dimension of active chamber; Contract in the open end of said active chamber, form the supporting portion, the open end of pressure regulating cavity is provided with internal thread;
Sidewall at said active chamber is provided with the through hole that is communicated with this chamber, is called filler opening;
Said plunger is column, and passage is set vertically, and this passage is a second channel, and said plunger outer wall matches with the shape of said active chamber inwall, and is arranged in the active chamber with reciprocating mode;
The said pressure regulator valve and second elastic element are arranged in the said cavity second portion pressure regulating cavity; Pressure regulator valve props up the step between active chamber and the pressure regulating cavity; Look nut screws on the internal thread of pressure regulating cavity open end, and second elastic element is arranged between look nut and the pressure regulator valve;
The said plunger and first elastic element are arranged in the active chamber, and plunger is arranged between supporting portion and the filler opening, and the first elastic element two ends prop up said pressure regulator valve and plunger respectively;
Said support comprises U-shaped body and the joining part of being extended to both sides by said bodies top; Said joining part is the joint that the body of this support and equipment is connected; Be provided with through hole in U-shaped body bottom; Said oil pump housing is fixedly set in U-shaped body bottom, and said through hole is connected with the opening of active chamber.
The utility model also provides a kind of internal-combustion engine, and this internal-combustion engine adopts connection rod-free reciprocating to answer-rotary motion conversion mechanism, multiple-rotary motion conversion mechanism oil pump that this internal-combustion engine comprises above-mentioned any described connection rod-free reciprocating.
The utility model also provides a kind of compressor, and this compressor adopts connection rod-free reciprocating to answer-rotary motion conversion mechanism, multiple-rotary motion conversion mechanism oil pump that this compressor comprises above-mentioned any described connection rod-free reciprocating.
Compared with prior art; One of them aspect of the utility model; The oil pump body can be installed on the body of internal-combustion engine or compressor, rather than as traditional, is installed on the oil sump, and the position that can adjust oil pump very easily aligns itself and the fuel inlet fitting that is arranged on the reciprocating part; And accurate localization needn't be set on oil sump, simplified the design and the manufacturing of machine; With respect to traditional design that the oil pump body is arranged at oil sump; The foregoing description has also been cancelled the oil pump fitting seat that is arranged on the oil sump; Reduce the manufacture cost of machine, but also can avoid when oil sump is provided with oil pump fitting seat hole, it being carried out extra sealing problem;
In addition, through being set, pressure regulator valve and pressure regulating cavity can also realize the purpose of pressure regulation in the oil pump body.
Description of drawings
Fig. 1 for the utility model be used for connection rod-free reciprocating multiple-first embodiment's fuel inlet fitting of the oil pump of rotary motion conversion mechanism and be assemblied in the structural representation of reciprocating part;
Fig. 2 is the oil pump main body structure schematic representation of the utility model;
Fig. 3 is the oil pump body middle shell of the utility model and the structural representation of integral type support;
Fig. 4 is the structural representation behind the oil pump body subdivision shown in Figure 2.
Fig. 5 is the structural representation of plunger of the oil pump body of the utility model;
Fig. 6 is the structural representation of look nut of the oil pump body of the utility model.
Embodiment
A lot of details have been set forth in the following description so that make much of the utility model.But the utility model can be implemented much to be different from alternate manner described here, and those skilled in the art can do similar popularization under the situation of the utility model intension, so the utility model does not receive the restriction of following disclosed practical implementation.
In the present embodiment, oil pump comprises fuel inlet fitting and oil pump body.Fig. 1 for the utility model be used for connection rod-free reciprocating multiple-first embodiment's fuel inlet fitting of the oil pump of rotary motion conversion mechanism and be assemblied in the structural representation of reciprocating part.Fig. 2 is the oil pump main body structure schematic representation of the utility model.Fig. 3 is the oil pump body middle shell of the utility model and the structural representation of integral type support; Fig. 4 is the structural representation behind the oil pump body subdivision shown in Figure 2.
Please refer to Fig. 1, fuel inlet fitting is arranged at the bottom of reciprocating part 1a, and in the present embodiment, reciprocating part 1a is the single action piston that is applied to internal-combustion engine or compressor.
Said fuel inlet fitting comprises shell 1-1, and said shell 1-1 is provided with the interface that is connected with single action piston 1a.Can fuel inlet fitting 1 be assemblied in the bottom of single action piston 1a through this interface.Only show the part of single action piston 1a among Fig. 1.
In the shell 1-1 of said fuel inlet fitting set inside passage 1-2 is arranged, this passage is called first passage 1-2, and this first passage 1-2 is the passage of lubricant oil circulation, can realize to the piston fuel feeding through this first passage 1-2, and each moving surface of piston is lubricated.So this fuel inlet fitting is arranged at after single action piston 1a goes up, this first passage 1-2 needs to go up the oil leab that is provided with single action piston 1a and is connected.
Among the first passage 1-2 in the said fuel inlet fitting one-way valve structures can be set, after lubricant oil gets into the oil duct of piston, reflux avoiding.Fig. 1 shows a kind of one-way valve structures, and first passage 1-2 is set to the different hierarchic structure of internal diameter, and spring 1-4 and safety check 1-3 are arranged at the bigger part of internal diameter, and wherein, spring is pushed down safety check when free state, and makes safety check prop up two-part interface.When lubricant oil got into via the internal diameter smaller channels, compression spring for check valve made jointing open; Lubricant oil flows into the bigger part of internal diameter and also gets in the piston, when not having lubricant oil to get into, and the spring state that affranchises; Safety check is blocked jointing, thereby avoids refluxing.Be merely a kind of one-way valve structures shown in Fig. 1, it can also be realized by alternate manner.In addition, first passage 1-2 can also be set is structure or the sped structure that internal diameter reduces from bottom to top.
Please refer to Fig. 2, Fig. 3 and Fig. 4.Oil pump body 2 comprises support 3, housing 2-1, plunger 2-3, the first elastic element 2-6a, the second elastic element 2-6b, pressure regulator valve 2-8 and look nut 2-9.
Be provided with the cavity of both ends open in the said housing 2-1, this cavity is divided into 2-2a of first portion and second portion 2-2b.And the radial dimension of second portion 2-2b is greater than the radial dimension of the 2-2a of first portion.Contract in the open end of the said 2-2a of first portion, form supporting portion 1-10, this supporting portion 1-10 can prop up the end of plunger 2-3.Open end at second portion 2-2b is provided with internal thread, is used to install described look nut 2-9.The described cavity 2-2a of first portion constitutes the active chamber of this oil pump body, can the oil in the oil sump be transported to reciprocating part by this part.Second portion 2-2b adjusts the pressure of active chamber then as pressure regulating cavity.
The sidewall of said active chamber 2-2a be provided with at least one be communicated with this cavity through hole, be called filler opening 2-5.Be provided with four said filler opening 2-5 in the present embodiment, and described filler opening 2-5 is arranged at sustained height.
Said plunger 2-3 is column, and portion is provided with passage vertically within it, is called second channel 2-4.This second channel 2-4 also is a grease channel.The shape that the outer wall of said plunger 2-3 and said housing 2-1 go up active chamber 2-2a inwall matches, but and plunger 2-3 be arranged among the active chamber 2-2a with the to-and-fro motion mode.For avoiding plunger 2-3 in active chamber, to block during to-and-fro motion, on the outer side wall at the two end part of said plunger 2-3, some circular groove 2-3-1 are set also, as shown in Figure 5, this circular groove 2-3-1 is called anti-draw-in groove.Should can prevent hole clipping in the plunger 2-3 motion by anti-draw-in groove 2-3-2, simultaneously, can also hold oily impurity in the annular groove, and make impurity in the machine oil can not lose the working surface of plunger 2-3 or cavity.
Please continue with reference to figure 2, Fig. 3 and Fig. 4, said pressure regulator valve 2-8 is a baffle plate, and the second elastic element 2-6b is specially pressure spring.The pressure regulator valve 2-8 and the second elastic element 2-6b are arranged among the pressure regulating cavity 2-2b, and pressure regulator valve 2-8 props up the step between said active chamber 2-2a and the pressure regulating cavity 2-2b.Look nut 2-9 shape is as shown in Figure 6, is provided with the screw thread that matches with the internal thread of pressure regulating cavity 2-2b open end above that, and look nut 2-9 screws in this internal thread.The second elastic element 2-6b is arranged between said look nut 2-9 and the pressure regulator valve 2-8.
The said first elastic element 2-6a also is a pressure spring; Itself and plunger 2-3 are arranged among the said active chamber 2-2a simultaneously; And plunger 2-3 is arranged between supporting portion 1-10 and the filler opening 2-5, and the wherein end by this supporting portion 1-10 props up plunger 2-3 prevents that it is by shifting out in the active chamber.The said first elastic element 2-6a two ends prop up said pressure regulator valve 2-8 and plunger 2-3 respectively.When plunger 2-3 pressure spring and spring recovery deformation, plunger 2-3 can close and open the passway between filler opening 2-5 and the active chamber 2-2a.
Said support 3 comprises U-shaped body 3-1 and the joining part 3-2 that is extended to both sides by said U-shaped body 3-1 top, and said joining part 3-2 is the joint that this support 3 is fixedly connected with the body of equipment (for example internal-combustion engine or compressor).Oil pump body 2 is arranged at the bottom downside of this U-shaped body 3-1.
Be provided with through hole 3-4 in U type body bottom, the opening of the active chamber 2-2a of said oil pump body 2 is connected with said through hole 3-4.In concrete example, said support 3 is integrally formed with said oil pump body housing therein; Certainly; Can also be fixed with one through the mode of assembling between the two; For example the through hole of U type body 3-1 bottom is set to tapped through hole, is called the housing mounting hole, the threaded coupling that matches with the housing mounting hole in said housing 2-1 top outer wall setting; Cooperate through threaded coupling and tapped through hole, can the two fixedly be assembled into one.Being integrally formed as example with the housing 2-1 of support 3 and oil pump body in the present embodiment describes.
When said oil pump body 2 is used with fuel inlet fitting 1; Fuel inlet fitting is arranged at the bottom of reciprocating part 1a; Oil pump body 2 fixedly is assemblied in body (IC engine airframe or compressor block through support 3; Body attachment hole 3-3 for example is set on joint 3-2, support fixedly is assemblied on the body, can also connect through welding manner or other mode that is connected certainly through bolt) on; And opening and the said fuel inlet fitting 1 of the active chamber 2-2a on this oil pump housing 2-1 are aligned, first passage 1-2 and second channel 2-4 align.In addition, said oil pump body 2 and body 3a go up setting also will make the filler opening 2-5 on the oil pump housing 2-1 be submerged in the lubricant oil of oil sump the inside, and this realizes through height design of support 3 or the liquid level height adjusting of the lubricant oil in the oil sump.
When work; Fuel inlet fitting 1 pumps with reciprocating part 1a; Promoting plunger 2-3 is the initial point to-and-fro motion with filler opening 2-5, thereby can realize the switching of filler opening 2-5, realizes that the lubricant oil in the oil sump gets into active chamber 2-2a when filler opening 2-5 opens; Lubricant oil when closure among the active chamber 2-2a gets into first passage 1-2 by second channel 2-4 and then flows in the oil leab of piston 1a, has realized the fuel feeding to the piston lubrication oil duct.In the above embodiments; Through the purpose that pressure regulator valve 2-8, pressure regulating cavity 2-2b can also realize pressure regulation is set, detailed process is following: descending and when promoting plunger 2-3 with reciprocating part 1a at fuel inlet fitting 1, filler opening 2-5 closes; Pressure raises machine oil in the active chamber owing to be compressed; When pressure was elevated to a certain degree, pressure oil got into first passage 1-2 and pushes the safety check that is provided with in the first passage open, fuel feeding in piston along second channel 2-4; Along with plunger 2-3 continues descending; Pressure in the active chamber further raises; The thrust sum of the engine oil pressure on acting on pressure regulator valve 2-8 and the first elastic element 2-6a is during greater than the thrust of the second elastic element 2-6b, and pressure regulator valve 2-8 is descending, makes the volume of active chamber increase; Pressure no longer raises, thereby can reach the purpose of regulating active chamber pressure.
In addition; The oil pump of the foregoing description; The oil pump body is installed on the body of internal-combustion engine or compressor, rather than as traditional, is installed on the oil sump, and the position that can adjust oil pump very easily aligns itself and the fuel inlet fitting that is arranged on the reciprocating part; And accurate localization needn't be set on oil sump, simplified the design and the manufacturing of machine; With respect to traditional design that the oil pump body is arranged at oil sump; The foregoing description has also been cancelled the oil pump fitting seat that is arranged on the oil sump; Reduce the manufacture cost of machine, but also can avoid when oil sump is provided with oil pump fitting seat hole, it being carried out extra sealing problem.
In addition, on the housing 2-1 of oil pump body 2, filter screen 6 can also be set, as shown in Figure 2, this filter screen 6 is provided with around said housing 2-1, and mulch-laying machine hydraulic fluid port 2-5, thereby can realize getting into the filtration of the machine oil in the active chamber.Filter screen 6 can be fixed on the housing 2-1 through clip 6-1 and clamping bolt 6-2, is not described in detail here.
Above-mentioned oil pump can be applicable to adopt connection rod-free reciprocating multiple-internal-combustion engine and compressor of rotary motion conversion mechanism in, be assemblied in the bottom of reciprocating part wherein, with the fuel feeding of realization to piston oil duct in this mechanism.Though the utility model with preferred embodiment openly as above; But it is not to be used for limiting the utility model; Any those skilled in the art are in spirit that does not break away from the utility model and scope; Can make possible change and modification, so the protection domain of the utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (10)
- One kind be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, it is characterized in that, comprise fuel inlet fitting and oil pump body; Said fuel inlet fitting comprises shell, and its shell is provided with the interface that the reciprocating part of-rotary motion conversion mechanism multiple with connection rod-free reciprocating is connected, and portion is provided with passage within it, is called first passage; After said fuel inlet fitting was arranged on the reciprocating part, this first passage was connected with oil leab on the reciprocating part; Said oil pump body comprises housing, plunger, first elastic element, second elastic element, pressure regulator valve, look nut and support; Wherein, the cavity of both ends open is set in the said housing, this cavity is divided into first portion and second portion vertically, is called active chamber and pressure regulating cavity respectively, and the radial dimension of pressure regulating cavity is greater than the radial dimension of active chamber; Contract in the open end of said active chamber, form the supporting portion, the open end of pressure regulating cavity is provided with internal thread; Sidewall at said active chamber is provided with the through hole that is communicated with this chamber, is called filler opening; Said plunger is column, and passage is set vertically, and this passage is a second channel, and said plunger outer wall matches with the shape of said active chamber inwall, and is arranged in the active chamber with reciprocating mode; The said pressure regulator valve and second elastic element are arranged in the said cavity second portion pressure regulating cavity; Pressure regulator valve props up the step between active chamber and the pressure regulating cavity; Look nut screws on the internal thread of pressure regulating cavity open end, and second elastic element is arranged between look nut and the pressure regulator valve; The said plunger and first elastic element are arranged in the active chamber, and plunger is arranged between supporting portion and the filler opening, and the first elastic element two ends prop up said pressure regulator valve and plunger respectively; Said support comprises U-shaped body and the joining part of being extended to both sides by said bodies top; Said joining part is the joint that the body of this support and equipment is connected; Be provided with through hole in U-shaped body bottom; Said oil pump housing is fixedly set in U-shaped body bottom, and said through hole is connected with the opening of said active chamber; When said oil pump body and fuel inlet fitting are used; Fuel inlet fitting is arranged at the reciprocating part bottom; The oil pump housing fixedly is assemblied on the body of equipment and through hole and fuel inlet fitting on this U-shaped body is aligned through support; First passage and second channel align, and it is the initial point to-and-fro motion with the filler opening that fuel inlet fitting can promote plunger during with the reciprocating part to-and-fro motion.
- 2. according to claim 1 be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, it is characterized in that said first elastic element and second elastic element are pressure spring.
- 3. according to claim 1 be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, it is characterized in that the U-shaped body of said oil pump body and said support is integrally formed.
- 4. according to claim 1 be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, it is characterized in that, in the bottom of said U-shaped body tapped through hole is set, be called the housing mounting hole; The threaded coupling that matches with the housing mounting hole in the outer side wall setting of the housing top of said oil pump; The threaded coupling of said oil pump body screws in said housing mounting hole, makes said oil pump housing be arranged at the bottom of support U-shaped body.
- 5. according to claim 1 be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, it is characterized in that said plunger end outer side wall is provided with circular groove, is called anti-draw-in groove.
- 6. according to claim 1 be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, it is characterized in that the oil pump body also comprises filter screen, said filter screen is provided with around said housing periphery, and covers said oil inlet hole at least.
- 7. according to claim 1 be used for connection rod-free reciprocating multiple-oil pump of rotary motion conversion mechanism, it is characterized in that, in the first passage hole of said fuel inlet fitting one-way valve is set.
- 8. an oil pump body cooperates the formation oil pump with fuel inlet fitting, it is characterized in that said oil pump body comprises housing, plunger, first elastic element, second elastic element, pressure regulator valve, look nut and support; Wherein, the cavity of both ends open is set in the said housing, this cavity is divided into first portion and second portion vertically, is called active chamber and pressure regulating cavity respectively, and the radial dimension of pressure regulating cavity is greater than the radial dimension of active chamber; Contract in the open end of said active chamber, form the supporting portion, the open end of pressure regulating cavity is provided with internal thread; Sidewall at said active chamber is provided with the through hole that is communicated with this chamber, is called filler opening; Said plunger is column, and passage is set vertically, and this passage is a second channel, and said plunger outer wall matches with the shape of said active chamber inwall, and is arranged in the active chamber with reciprocating mode; The said pressure regulator valve and second elastic element are arranged in the said cavity second portion pressure regulating cavity; Pressure regulator valve props up the step between active chamber and the pressure regulating cavity; Look nut screws on the internal thread of pressure regulating cavity open end, and second elastic element is arranged between look nut and the pressure regulator valve; The said plunger and first elastic element are arranged in the active chamber, and plunger is arranged between supporting portion and the filler opening, and the first elastic element two ends prop up said pressure regulator valve and plunger respectively; Said support comprises U-shaped body and the joining part of being extended to both sides by said bodies top; Said joining part is the joint that the body of this support and equipment is connected; Be provided with through hole in U-shaped body bottom; Said oil pump housing is fixedly set in U-shaped body bottom, and said through hole is connected with the opening of active chamber.
- 9. internal-combustion engine, this internal-combustion engine adopt connection rod-free reciprocating multiple-rotary motion conversion mechanism, it is characterized in that, this internal-combustion engine comprise said claim 1 to any described connection rod-free reciprocating of claim 7 multiple-the rotary motion conversion mechanism oil pump.
- 10. compressor, this compressor adopt connection rod-free reciprocating multiple-rotary motion conversion mechanism, it is characterized in that, this compressor comprise said claim 1 to any described connection rod-free reciprocating of claim 7 multiple-the rotary motion conversion mechanism oil pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120237672 CN202302660U (en) | 2011-07-07 | 2011-07-07 | Oil pump main body for connecting rod-free reciprocating-rotating motion switching mechanism, oil pump with pump body, internal combustion engine and compressor with oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120237672 CN202302660U (en) | 2011-07-07 | 2011-07-07 | Oil pump main body for connecting rod-free reciprocating-rotating motion switching mechanism, oil pump with pump body, internal combustion engine and compressor with oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202302660U true CN202302660U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120237672 Expired - Lifetime CN202302660U (en) | 2011-07-07 | 2011-07-07 | Oil pump main body for connecting rod-free reciprocating-rotating motion switching mechanism, oil pump with pump body, internal combustion engine and compressor with oil pump |
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| CN (1) | CN202302660U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712046A (en) * | 2013-12-23 | 2014-04-09 | 安徽江淮汽车股份有限公司 | Oil pump with improved pressure release valve |
| CN105179910A (en) * | 2014-06-06 | 2015-12-23 | 德国Skf润滑油系统有限责任公司 | Lubrication pump |
| CN109707982A (en) * | 2017-10-25 | 2019-05-03 | 郑州奥特科技有限公司 | Grease pumping installations |
| CN113738633A (en) * | 2020-05-27 | 2021-12-03 | 东风富奥泵业有限公司 | Pressure limiting valve device structure, pressure regulating plunger and hydraulic pump |
-
2011
- 2011-07-07 CN CN 201120237672 patent/CN202302660U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103712046A (en) * | 2013-12-23 | 2014-04-09 | 安徽江淮汽车股份有限公司 | Oil pump with improved pressure release valve |
| CN105179910A (en) * | 2014-06-06 | 2015-12-23 | 德国Skf润滑油系统有限责任公司 | Lubrication pump |
| CN105179910B (en) * | 2014-06-06 | 2019-01-18 | 德国Skf润滑油系统有限责任公司 | Grease pump |
| CN109707982A (en) * | 2017-10-25 | 2019-05-03 | 郑州奥特科技有限公司 | Grease pumping installations |
| CN109707982B (en) * | 2017-10-25 | 2024-04-02 | 郑州奥特科技有限公司 | Grease pumping device |
| CN113738633A (en) * | 2020-05-27 | 2021-12-03 | 东风富奥泵业有限公司 | Pressure limiting valve device structure, pressure regulating plunger and hydraulic pump |
| CN113738633B (en) * | 2020-05-27 | 2023-10-10 | 富奥泵业(湖北)有限公司 | Pressure limiting valve device structure, pressure regulating plunger and hydraulic pump |
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