CN102278587B - Lubricating oil pump used for connecting rod-free reciprocating-rotating movement conversion mechanism, bracket, lubricating oil pump body and device - Google Patents
Lubricating oil pump used for connecting rod-free reciprocating-rotating movement conversion mechanism, bracket, lubricating oil pump body and device Download PDFInfo
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- CN102278587B CN102278587B CN201110190267.8A CN201110190267A CN102278587B CN 102278587 B CN102278587 B CN 102278587B CN 201110190267 A CN201110190267 A CN 201110190267A CN 102278587 B CN102278587 B CN 102278587B
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- oil pump
- housing
- connecting rod
- reciprocating
- conversion mechanism
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 29
- 239000010687 lubricating oil Substances 0.000 title abstract 12
- 238000002485 combustion reaction Methods 0.000 claims abstract description 19
- 239000000446 fuel Substances 0.000 claims description 37
- 239000000945 filler Substances 0.000 claims description 21
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 239000011148 porous material Substances 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 abstract description 118
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000000314 lubricant Substances 0.000 description 10
- 238000001914 filtration Methods 0.000 description 6
- 238000013475 authorization Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010721 machine oil Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000630329 Scomberesox saurus saurus Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses a lubricating oil pump used for a connecting rod-free reciprocating-rotating movement conversion mechanism. The lubricating oil pump comprises an oil inlet interface and a lubricating oil pump body, wherein the lubricating oil pump body comprises a bracket; the bracket comprises a U-shaped body and an interface part extending towards two sides from the top of the body; the interface part is a connecting part used for fixedly connecting the bracket and a machine body of a device; and a lubricating oil pump shell is arranged at the bottom of the U-shaped body. In the invention, the lubricating oil pump body is installed on the machine body of an internal-combustion engine or a compressor through the bracket, therefore, the position of the lubricating oil pump can be conveniently adjusted such that the lubricating oil pump is aligned with the oil inlet interface on a reciprocating movement member, the design and the manufacture of the machine are simplified. The invention also provides the bracket, the lubricating oil pump body and a connecting rod-free reciprocating-rotating movement conversion device by using the lubricating oil pump.
Description
Technical field
The present invention relates to the lubricating pump of internal-combustion engine or compressor, be specifically related to a kind of oil pump that is applied to connecting rod-free reciprocating-rotating movement conversion mechanism.The present invention relates to a kind of oil pump support, 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, realizing to-and-fro motion is connecting rod with the mechanism mutually changing that rotatablely moves.But in connecting rod, due to the existence of connecting rod, the internal-combustion engine of connecting rod and compressor have the defects such as bulky, heavy, balance quality is poor.
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, to be June 27 calendar year 2001, notice of authorization number disclosed a kind of " crank and double-round slide reciprocating piston internal combustion engine " for the Chinese patent of CN1067741C.Notice of authorization day, to be June 27 calendar year 2001, notice of authorization number disclosed a kind of " crank and multi-round slide reciprocating piston internal combustion engine " for the Chinese patent of CN1067742C.In the Chinese patent application file that is 200910210785.4 at application number, a kind of connection rod-free reciprocating reciprocating motion is disclosed and the mechanism of the conversion mutually that rotatablely moves (also referred to as end axle-movable shaft mechanism).
The disclosed internal-combustion engine of above-mentioned Chinese patent and compressor common feature be to-and-fro motion wherein with the switching mechanism rotatablely moving in, 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 employing connecting rod, there is the oil pump that type need not be special greatly, but in the oil sump of oil sump, stir oil by the part such as spindle or oil skipper that is arranged at connnecting rod big end, form mist of oil and provide lubricated to the movement parts of machine.And at the equipment that adopts circular slider-crank mechanism or end axle-movable shaft mechanism, owing to there is no connecting rod, in movement parts, do not make the component of similar link motion yet, being difficult to provides lubricated taking traditional Ci Zhong mechanism that connecting rod was adopted as body.
Summary of the invention
The invention provides a kind of oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism, this oil pump can be applicable to adopt in the equipment that connection rod-free reciprocating answer-rotatablely moves, and realizes it lubricated.Another support of the present invention, oil pump body and apply the equipment of this oil pump.
A kind of oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism provided by the invention, comprises fuel inlet fitting and oil pump body;
Described fuel inlet fitting comprises shell, is provided with the interface being connected with the reciprocating part of connecting rod-free reciprocating-rotating movement conversion mechanism on its shell, is provided with passage therein, is called first passage; After described fuel inlet fitting is arranged on reciprocating part, this first passage is connected with the oil leab on reciprocating part;
Described oil pump body comprises housing, plunger, elastic element and support; Wherein, the cavity of an end opening is set in described housing, is provided with the through hole that is communicated with this cavity in housing sidewall, be called filler opening; Described plunger is column, passage is set vertically, this passage is second channel, described plunger outer wall matches with described cavity inner wall shape, and be arranged in cavity in reciprocating mode, wherein one end at described plunger arranges elastic element, and plunger is between described cavity opening and filler opening; The joining part that described support comprises U-shaped body and extended to both sides by described bodies top, described joining part is the joint that the body of this support and equipment is connected, the described housing of oil pump is arranged at the bottom of U-shaped body;
When described oil pump body and fuel inlet fitting are used in conjunction with, fuel inlet fitting is arranged at reciprocating part bottom, oil pump shell is fixedly assemblied on the body of equipment and cavity opening and the fuel inlet fitting of the described housing of this oil pump is aligned by support, first passage and second channel align, and fuel inlet fitting can promote plunger taking filler opening as initial point to-and-fro motion during with reciprocating part to-and-fro motion.
Optionally, in the joining part of described support, be provided with through hole, this through hole coordinates with bolt and oil pump body can be assemblied on the body of equipment, is called body attachment hole.
Optionally, the U-shaped body of described oil pump body and described support is integrally formed.
Optionally, in the bottom of described U-shaped body, through hole is set, this through hole is called intercommunicating pore; The housing top of described oil pump body is arranged at the bottom downside of U-shaped body, and described intercommunicating pore is connected with the cavity opening on described housing.
Optionally, in the bottom of described U-shaped body, tapped through hole is set, is called housing mounting hole; The threaded coupling matching with housing mounting hole in housing top or the bottom outer side wall setting of described oil pump body; The threaded coupling of described oil pump body screws in described housing mounting hole, makes the described housing of described oil pump be arranged at the bottom of support U-shaped body.
Preferably, in the bottom of described U-shaped body, through hole is set, this through hole is called housing mounting hole; In the housing bottom of described oil pump body, outer side wall arranges threaded coupling; The bottom of described oil pump body is inserted described housing mounting hole and threaded coupling is stretched out outside the downside of this U-shaped body bottom, on this threaded coupling, screws in clamping bolt.
Preferably, also comprise filter screen, described filter screen is around periphery and the bottom of described support, or is arranged at support U-shaped body inner side, and at least surrounds described oil pump body outer side wall; Corresponding to intercommunicating pore position, filter screen mounting hole is set in described filter screen bottom, after this filter screen is assemblied on support, this filter screen mounting hole and described intercommunicating pore align.
Optionally, in the first passage of described fuel inlet fitting, one-way valve is set.
The present invention also provides a kind of support, for oil pump body being fixedly assemblied in to the body of equipment, the joining part that described support comprises U-shaped body and extended to both sides by described bodies top, described joining part is the joint that the body of this support and equipment is connected; Described U-shaped body bottom is provided with holder housing mounting hole.
The present invention also provides a kind of oil pump body, and described oil pump body coordinates formation oil pump with fuel inlet fitting, and described oil pump body comprises housing, plunger, elastic element and support; Wherein, the cavity of an end opening is set in described housing, is provided with the through hole that is communicated with this cavity in housing sidewall, be called filler opening;
Described plunger is column, and passage is set vertically, and described plunger outer wall matches with described cavity inner wall shape, and is arranged in cavity in reciprocating mode; A wherein side at described plunger arranges elastic element, and described elastic element is in the time of free state, and plunger is between described cavity opening and filler opening;
The joining part that described support comprises U-shaped body and extended to both sides by described bodies top, described joining part is the joint that the body of this support and equipment is connected, the described housing of oil pump is arranged at the bottom of U-shaped body.
The present invention also provides a kind of equipment, and described equipment is internal-combustion engine, and this internal-combustion engine adopts connecting rod-free reciprocating-rotating movement conversion mechanism, and this internal-combustion engine comprises the connecting rod-free reciprocating-rotating movement conversion mechanism oil pump described in above-mentioned any one.
The present invention also provides a kind of equipment, and described equipment is compressor, and this compressor adopts connecting rod-free reciprocating-rotating movement conversion mechanism, and this compressor comprises the connecting rod-free reciprocating-rotating movement conversion mechanism oil pump described in above-mentioned any one.
Compared with prior art, one of them aspect of the present invention, oil pump body is arranged on by support on the body of internal-combustion engine or compressor, instead of as traditional, be arranged on oil sump, this aligns itself and the fuel inlet fitting being arranged on reciprocating part in position of reconditioner oil pump very easily, and accurate location needn't be set on oil sump, simplify the Design and manufacture of machine; With respect to traditional design that oil pump body is arranged to oil sump, above-described embodiment has also been cancelled the oil pump fitting seat being arranged on oil sump, reduce the manufacture cost of machine, but also can avoid, in the time that oil sump arranges oil pump fitting seat hole, it is carried out to extra sealing problem.
In the preferred technical solution of the present invention, oil pump body is arranged on support U-shaped body, and through U-shaped body bottom, has clamping bolt to fix, by regulating clamping bolt can realize very easily the adjusting of the fuel delivery to piston.
In addition, in other optimal technical scheme of the present invention, on support, filter screen can also be set, periphery and bottom by this filter screen around described support, or be arranged at the inner side of the U-shaped body of described support, and at least surround the outside of described oil pump body; By this filter screen is set, can realize to the machine oil filtration that enters oil pump body cavity, thereby solve traditional problem that supplies just directly not enter through the machine oil of filtering in oil systems oil circuit, the wearing and tearing of machine are reduced, greatly improve service life of a machine, in addition, the filter structure taking support as supporting base also can be realized filter screen is changed to adjustment easily, realizes the filtering effect of different stage.
Brief description of the drawings
Fig. 1 is the embodiment one of oil pump of the present invention and is assemblied in the structural representation on equipment;
Fig. 2 is the structural representation that can be assemblied in the filter screen in the oil pump shown in Fig. 1;
Fig. 3 is the embodiment's two of oil pump of the present invention structural representation.
Embodiment
A lot of details are set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that, and therefore the present invention is not subject to the restriction of following public concrete enforcement.
Fig. 1 is the first embodiment of the oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism of the present invention and the structural representation that is assemblied in equipment thereof.
Please refer to Fig. 1, the oil pump of the present embodiment comprises fuel inlet fitting 1 and oil pump body 2.
Wherein, described fuel inlet fitting 1 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.
Described fuel inlet fitting 1 comprises shell 1-1, on described shell 1-1, is provided with the interface being connected with single action piston 1a.Fuel inlet fitting 1 can be assemblied in to the bottom of single action piston 1a by this interface.In Fig. 1, only show the part of single action piston 1a.
Shell 1-1 inside at described fuel inlet fitting 1 is provided with passage 1-2, this passage is called first passage 1-2, this first passage 1-2 is the passage of lubricant oil circulation, can realize to piston fuel feeding by this first passage 1-2, and each moving surface of piston is lubricated.Therefore after this fuel inlet fitting 1 is arranged on single action piston 1a, this first passage 1-2 need be connected with the upper oil leab arranging of single action piston 1a.
In first passage 1-2 in described fuel inlet fitting 1, one-way valve structures can be set, after lubricant oil enters 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 steel ball 1-3 are arranged at the part that internal diameter is larger, and wherein, spring is pushed down steel ball in the time of free state, and makes steel ball prop up two-part interface.In the time that lubricant oil enters via internal diameter smaller channels, steel ball Compress Spring, opens jointing, and lubricant oil flows into the larger part of internal diameter and also enters in piston, and in the time not having lubricant oil to enter, the spring state that affranchises, blocks jointing, thereby avoid refluxing.Shown in Fig. 1 is only a kind of one-way valve structures, and 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 continue to refer to Fig. 1, described oil pump body comprises housing 2-1, plunger 2-3, elastic element 2-6 and support 3.
In described housing 2-1, be provided with the cavity 2-2 of an end opening, the through hole of this cavity of connection 2-2 is at least set at the sidewall of housing 2-1, be called filler opening 2-5.In the present embodiment, be provided with four described filler opening 2-5, and described filler opening 2-5 is arranged at sustained height.
Described plunger 2-3 is column, is provided with vertically passage therein, is called second channel 2-4.This second channel 2-4 is also grease channel.The outer wall of described plunger 2-3 matches with the inner wall shape of the cavity 2-2 on described housing 2-1, and plunger 2-3 is arranged in cavity 2-2 with motion mode reciprocally.Elastic element 2-6 is specially a spring (Compress Spring).In the present embodiment, Compress Spring is arranged between plunger 2-3 and the bottom of cavity 2-2, and its two ends prop up respectively one end of plunger 2-3 and the bottom of cavity 2-2.At described Compress Spring during in free state, between the opening and filler opening 2-5 of plunger 2-3 in cavity 2-2.In the time of plunger 2-3 Compress Spring and spring recovery deformation, plunger 2-3 can close and open the passway between filler opening 2-5 and cavity 2-2.In addition, described elastic element 2-6 can also be arranged between plunger 2-3 and cavity 2-2 opening, and now, the two ends of elastic element 2-6 need be fixed respectively at the end of plunger 2-3 and cavity 2-2 opening, and elastic element 2-6 is specifically as follows an extension spring.
The joining part 3-2 that described support 3 comprises U-shaped body 3-1 and extended to both sides by described U-shaped body 3-1 top, the joint that described joining part 3-2 for example, is fixedly connected with the body 3a of equipment (internal-combustion engine or compressor) for this support 3.Oil pump body 2 is arranged at the bottom of this U-shaped body 3-1, and Fig. 1 shows a kind of set-up mode wherein, specific as follows: in described U-shaped body 3-1 bottom, through hole 3-4 is set, this through hole 3-4 is housing mounting hole.Bottom outer side wall at the housing 2-1 of oil pump body 2 arranges threaded coupling 2-7; The bottom of described oil pump body 2 is inserted in described housing mounting hole 3-4, and threaded coupling 2-7 is stretched out outside the bottom downside of this U-shaped body 3-1, on described threaded coupling 2-7, screw in clamping bolt 4, thereby oil pump body 2 is fixedly assemblied on this U-shaped body 3-1 bottom.
It is upper that oil pump body 2 can also otherwise be assemblied in U-shaped body 3-1, and for example, the through hole 3-4 of U-shaped body 3-1 bottom is set to the tapped hole matching in threaded coupling 2-7, and threaded coupling 2-7 is directly screwed in to this tapped hole; In addition, this through hole 3-4 is not set, U-shaped shape body 3-1 and this oil pump body 2 housing 2-1 are one-body molded.In addition, the top that oil pump body 2 can also be set is connected (comprising that bolt is connected) with U-shaped body 3-1 bottom downside or is one-body molded, now, the through hole 3-4 that need to arrange in U-shaped body bottom is connected with the opening of the cavity 2-2 on described housing 2-1, through hole 3-4 is called intercommunicating pore, as shown in Figure 3.
Please continue to refer to Fig. 1, when described oil pump body 2 and fuel inlet fitting 1 are used in conjunction with, fuel inlet fitting is arranged to the bottom of reciprocating part 1a.Oil pump body 2 is fixedly assemblied in to body 3a(internal combustion (IC) engine airframe or compressor block by support 3, body attachment hole 3-3 is for example set on joint 3-2, by bolt, support is fixedly assemblied on body, certainly can also connect by welding manner or other mode that is connected) on, and opening and the described fuel inlet fitting 1 of the cavity 2-2 on the described housing 2-1 of this oil pump are aligned, first passage 1-2 and second channel 2-4 align.In addition, described oil pump body 2 also will make the filler opening 2-5 on the described housing 2-1 of oil pump be submerged in the lubricant oil in oil sump 2a in the upper setting of body 3a, and this liquid level height by the lubricant oil in height design or the oil sump of support 3 regulates to be realized.In addition, also can regulate by the clamping bolt 4 in accompanying drawing the height of whole housing 2-1, realize filler opening 2-5 lower than lubricant oil liquid level, this adjusting has also realized the relative position between oil pump body 2 and fuel inlet fitting 1 certainly, thereby has also regulated to the oil inlet quantity in piston.
In the time of work, fuel inlet fitting 1 pumps with reciprocating part 1a, promote plunger 2-3 taking filler opening 2-5 as initial point to-and-fro motion, thereby can realize the switching of filler opening 2-5, the lubricant oil of realizing in oil sump enters cavity 2-2 in the time that filler opening 2-5 opens, lubricant oil in the time of closure in cavity 2-2 is entered first passage 1-2 and then is flowed in the oil leab of piston 1a by second channel 2-4, has realized the fuel feeding to piston lubrication oil duct.
The oil pump of above-described embodiment, oil pump body is arranged on the body of internal-combustion engine or compressor, instead of as traditional, be arranged on oil sump, the position of reconditioner oil pump aligns itself and the fuel inlet fitting being arranged on reciprocating part very easily, and accurate location needn't be set on oil sump, simplify the Design and manufacture of machine; With respect to traditional design that oil pump body is arranged to oil sump, above-described embodiment has also been cancelled the oil pump fitting seat being arranged on oil sump, reduce the manufacture cost of machine, but also can avoid, in the time that oil sump arranges oil pump fitting seat hole, it is carried out to extra sealing problem.
In addition, the oil pump in the above embodiments can also be very easily by regulating clamping bolt 4 to realize the adjusting of the fuel delivery to piston.
In addition, on support 3 in the above-described embodiment, filter screen can also be set, filter screen as shown in Figure 2, this filter screen 6 comprises sidewall and diapire, is provided with filter screen mounting hole 6-1 on diapire; Periphery and bottom by this filter screen around described support 3, or be arranged at the inner side of the U-shaped body of described support 2, and at least surround the outside of described oil pump body 2.After assembling, filter screen mounting hole 6-1 and described intercommunicating pore 3-4 align.By this filter screen is set, can realize to the machine oil filtration that enters oil pump body 2 cavity 2-2, thereby solve traditional problem that supplies just directly not enter through the machine oil of filtering in oil systems oil circuit, reduced the wearing and tearing of machine, greatly improved service life of a machine.Should also can realize filter screen is changed to adjustment easily by the filter structure taking support 3 as supporting base, realize the filtering effect of different stage.
Fig. 3 shows the structural representation of the oil pump body in the second embodiment of oil pump of the present invention.Please refer to Fig. 3, in the present embodiment, the internal structure of oil pump body is identical with the above embodiments 1, and difference is that housing is arranged at support downside.
In the present embodiment, on the U-shaped body 3-1 of support, intercommunicating pore 3-4 is set, body attachment hole 3-3 is set on joint 3-2.In the present embodiment, filter screen 6 is rectangular, and it is around being arranged on oil pump body housing, and the filler opening being arranged on housing is wrapped in wherein.Top and the bottom at filter screen 6 are fixed on housing by clip 6-1 and locking device 6-2.Other side of the present invention is identical with the above embodiments one, and has the technique effect of the above embodiments one.
Above-mentioned oil pump can be applicable to adopt in the internal-combustion engine and compressor of connecting rod-free reciprocating-rotating movement conversion mechanism, is assemblied in the bottom of single action piston wherein, to realize the fuel feeding to piston oil duct in this mechanism.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, therefore protection scope of the present invention should be as the criterion with the scope that the claims in the present invention were defined.
Claims (11)
1. for an oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism, it is characterized in that, comprise fuel inlet fitting and oil pump body;
Described fuel inlet fitting comprises shell, is provided with the interface being connected with the reciprocating part of connecting rod-free reciprocating-rotating movement conversion mechanism on its shell, is provided with passage in described enclosure, is called first passage; After described fuel inlet fitting is arranged on reciprocating part, this first passage is connected with the oil leab on reciprocating part;
Described oil pump body comprises housing, plunger, elastic element and support; Wherein, the cavity of an end opening is set in described housing, is provided with the through hole that is communicated with this cavity in housing sidewall, be called filler opening; Described plunger is column, passage is set vertically, this passage is second channel, described plunger outer wall matches with described cavity inner wall shape, and be arranged in cavity in reciprocating mode, wherein one end at described plunger arranges elastic element, and plunger is between described cavity opening and filler opening; The joining part that described support comprises U-shaped body and extended to both sides by described U-shaped bodies top, described joining part is the joint that the body of this support and equipment is connected, the described housing of oil pump is arranged at the bottom of U-shaped body;
When described oil pump body and fuel inlet fitting are used in conjunction with, fuel inlet fitting is arranged at reciprocating part bottom, the described housing of oil pump is fixedly assemblied on the body of equipment and cavity opening and the fuel inlet fitting of the described housing of this oil pump is aligned by support, first passage and second channel align, and fuel inlet fitting can promote plunger taking filler opening as initial point to-and-fro motion during with reciprocating part to-and-fro motion.
2. the oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism according to claim 1, it is characterized in that, in the joining part of described support, be provided with through hole, this through hole coordinates with bolt and oil pump body can be assemblied on the body of equipment, is called body attachment hole.
3. the oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism according to claim 1, is characterized in that, the U-shaped body of described oil pump body and described support is integrally formed.
4. the oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism according to claim 3, is characterized in that, in the bottom of described U-shaped body, through hole is set, and this through hole is called intercommunicating pore; The housing top of described oil pump body is arranged at the bottom downside of U-shaped body, and described intercommunicating pore is connected with the cavity opening on described housing.
5. the oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism according to claim 1, is characterized in that, in the bottom of described U-shaped body, tapped through hole is set, and is called housing mounting hole; The threaded coupling matching with housing mounting hole in housing top or the bottom outer side wall setting of described oil pump body; The threaded coupling of described oil pump body screws in described housing mounting hole, makes the described housing of described oil pump be arranged at the bottom of support U-shaped body.
6. the oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism according to claim 1, is characterized in that, in the bottom of described U-shaped body, through hole is set, and this through hole is called housing mounting hole; In the housing bottom of described oil pump body, outer side wall arranges threaded coupling; The bottom of described oil pump body is inserted described housing mounting hole and threaded coupling is stretched out outside the downside of this U-shaped body bottom, on this threaded coupling, screws in clamping bolt.
7. the oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism according to claim 6, it is characterized in that, also comprise filter screen, described filter screen is around periphery and the bottom of described support, or be arranged at support U-shaped body inner side, and at least surround described oil pump body outer side wall; Corresponding to housing position of mounting hole, filter screen mounting hole is set in described filter screen bottom, after this filter screen is assemblied on support, this filter screen mounting hole and described housing mounting hole align.
8. the oil pump for connecting rod-free reciprocating-rotating movement conversion mechanism according to claim 1, is characterized in that, in the first passage of described fuel inlet fitting, one-way valve is set.
9. an oil pump body, described oil pump body coordinates formation oil pump with fuel inlet fitting, it is characterized in that, and described oil pump body comprises housing, plunger, elastic element and support; Wherein, the cavity of an end opening is set in described housing, is provided with the through hole that is communicated with this cavity in housing sidewall, be called filler opening;
Described plunger is column, and passage is set vertically, and described plunger outer wall matches with described cavity inner wall shape, and is arranged in cavity in reciprocating mode; A wherein side at described plunger arranges elastic element, and described elastic element is in the time of free state, and plunger is between described cavity opening and filler opening;
The joining part that described support comprises U-shaped body and extended to both sides by described U-shaped bodies top, described joining part is the joint that the body of this support and equipment is connected, the described housing of oil pump is arranged at the bottom of U-shaped body.
10. an equipment, described equipment is internal-combustion engine, this internal-combustion engine adopts connecting rod-free reciprocating-rotating movement conversion mechanism, it is characterized in that, this equipment comprises described claim 1 to the connecting rod-free reciprocating-rotating movement conversion mechanism oil pump described in claim 8 any one.
11. 1 kinds of equipment, described equipment is compressor, this compressor adopts connecting rod-free reciprocating-rotating movement conversion mechanism, it is characterized in that, this equipment comprises described claim 1 to the connecting rod-free reciprocating-rotating movement conversion mechanism oil pump described in claim 8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110190267.8A CN102278587B (en) | 2011-07-07 | 2011-07-07 | Lubricating oil pump used for connecting rod-free reciprocating-rotating movement conversion mechanism, bracket, lubricating oil pump body and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110190267.8A CN102278587B (en) | 2011-07-07 | 2011-07-07 | Lubricating oil pump used for connecting rod-free reciprocating-rotating movement conversion mechanism, bracket, lubricating oil pump body and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102278587A CN102278587A (en) | 2011-12-14 |
| CN102278587B true CN102278587B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110190267.8A Expired - Fee Related CN102278587B (en) | 2011-07-07 | 2011-07-07 | Lubricating oil pump used for connecting rod-free reciprocating-rotating movement conversion mechanism, bracket, lubricating oil pump body and device |
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| Country | Link |
|---|---|
| CN (1) | CN102278587B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552033A (en) * | 1980-07-08 | 1985-11-12 | Gebr. Marzhauser Wetzlar oHG | Drive system for a microscope stage or the like |
| CN1300347A (en) * | 1998-07-01 | 2001-06-20 | 扎纳西电机公司 | Oil pump for a hermetic compressor |
| CN1621677A (en) * | 2003-11-25 | 2005-06-01 | 玛涅蒂玛瑞利动力系公开有限公司 | Fuel pump for an internal combustion engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4450386B2 (en) * | 2005-03-31 | 2010-04-14 | ダイハツ工業株式会社 | Piston cooling device for internal combustion engine |
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2011
- 2011-07-07 CN CN201110190267.8A patent/CN102278587B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552033A (en) * | 1980-07-08 | 1985-11-12 | Gebr. Marzhauser Wetzlar oHG | Drive system for a microscope stage or the like |
| CN1300347A (en) * | 1998-07-01 | 2001-06-20 | 扎纳西电机公司 | Oil pump for a hermetic compressor |
| CN1621677A (en) * | 2003-11-25 | 2005-06-01 | 玛涅蒂玛瑞利动力系公开有限公司 | Fuel pump for an internal combustion engine |
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| Publication number | Publication date |
|---|---|
| CN102278587A (en) | 2011-12-14 |
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