CN102155328A - Gear room cover of internal combustion engine, engine body assembly and internal combustion engine thereof - Google Patents
Gear room cover of internal combustion engine, engine body assembly and internal combustion engine thereof Download PDFInfo
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- CN102155328A CN102155328A CN 201110101122 CN201110101122A CN102155328A CN 102155328 A CN102155328 A CN 102155328A CN 201110101122 CN201110101122 CN 201110101122 CN 201110101122 A CN201110101122 A CN 201110101122A CN 102155328 A CN102155328 A CN 102155328A
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- gear chamber
- chamber cover
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Abstract
The invention discloses a gear room cover of an internal combustion engine, applying to the internal combustion engine of a connecting-rod-free reciprocating-rotation movement mutual converting mechanism. The gear room cover comprises a body and an oil bottom shell mounting surface, wherein the body is provided with a mounting surface which is fixedly assembled with an engine body, named as an engine body mounting surface; a mounting surface is fixedly assembled with an oil bottom shell, named as the oil bottom shell mounting surface, wherein the body of the gear room cover is also provided with a cam wheel shaft bearing seat for providing support for a cam wheel shaft; the cam wheel shaft bearing seat is provided with a cam wheel shaft bearing hole; the radial size of the cam wheel shaft bearing hole decreases gradually from the inner side to the outer side of the gear room cover body; one side of the gear room cover which is provided with the engine body mounting surface is the inner side, and the outer side is opposite to the inner side. The gear room cover has special noise reduction design, thus the internal combustion engine applied to the gear room cover has much lower noise and higher reliability. The invention additionally provides an engine body assembly adopting the gear room cover and the internal combustion engine.
Description
Technical field
The present invention relates to internal-combustion engine, be specifically related to a kind of adopt connection rod-free reciprocating multiple-gear chamber cover of the internal-combustion engine of rotation movement mutual conversion mechanism.The present invention also relates to a kind of block assembly and internal-combustion engine of using described gear chamber cover simultaneously.
Background technique
In traditional internal-combustion engine and compressor, realize conversion between the rotatablely moving of the to-and-fro motion of piston and bent axle by connecting rod.Yet defectives such as in described 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, at notification number is that the CN85200358B(authorization is on January 13rd, 1988 day for announcing), notice of authorization number is June 27 calendar year 2001 for CN1067741C(notice of authorization day), notice of authorization number is June 27 calendar year 2001 for CN1067742C(notice of authorization day) Chinese patent literature in, the internal-combustion engine that adopts circular slider-crank mechanism is all disclosed.
Circular slider-crank mechanism is the mechanism that a kind of typical connection rod-free reciprocating answer-rotatablely moves and changes, and comprises bent axle, smooth block and piston; Wherein, smooth block is an oblate cylinder, is provided with eccentric circular hole thereon, and the crank pin of this eccentric circular hole size and bent axle adapts, and is used for ccontaining crank pin; Piston comprises piston crown and piston seat, and piston seat is provided with circular slider accommodation hole; The periphery size of smooth block adapts with the circular slider accommodation hole size on the piston seat that is arranged at piston.During assembling, in the rotatable circular slider accommodation hole that is placed on the piston seat of smooth block, crankshaft pin is rotatable to be arranged on the eccentric circular hole.When using this mechanism, the main journal at the two ends of bent axle can be placed on the bearing, and piston is placed the to-and-fro motion guide rail, when reciprocating motion of the pistons, can rotatablely move in the output of the end of bent axle, this motion mode can be used for internal-combustion engine; Otherwise, rotatablely move in the crankshaft end input, can realize the to-and-fro motion of piston, this motion mode can be used for compressor, realizes gas compression.The detailed content of relevant circular slider-crank mechanism can be with reference to above-mentioned patent documentation.
In addition, be that 200910236026.5 Chinese patent application file also discloses a kind of end axle-movable shaft mechanism at application number, the mechanism that this mechanism also answer-rotatablely moves and changes mutually for a kind of connection rod-free reciprocating.Its detailed structure can be with reference to this patent application document.
Gear chamber cover in the internal-combustion engine of conventional brace and connecting rod framework covers gear chamber and seal usually, and the flow of lubricant oil return drain pan in the gear chamber is got final product.Yet in above-mentioned no connecting rod type internal combustion engine, internal-combustion engine is because the structure of body and traditional motor are different, the mechanism that common internal combustion engine can be arranged on the body is difficult to be arranged on the body of circular slider-crank mechanism, otherwise can make body mechanism too complicated, can't make.In the prior art, obviously do not have suitable gear chamber cover structure to use, be necessary to design new gear chamber cover.
Summary of the invention
The invention provides a kind of gear chamber cover, this gear chamber cover can be applicable to not have in the connecting rod type internal combustion engine, and has special noise-reducing design.The present invention provides a kind of block assembly and internal-combustion engine that adopts this gear chamber cover in addition.
The gear chamber cover of a kind of internal-combustion engine provided by the invention, be applied to adopt connection rod-free reciprocating multiple-internal-combustion engine of rotation movement mutual conversion mechanism in; Comprise body, described body is provided with and the fixing attachment face that assembles of the body of internal-combustion engine, is called the body attachment face; And with the attachment face of the fixing assembling of described oil sump, be called the oil sump attachment face; Wherein,
On described gear chamber cover body, also be provided with the camshaft bearing bush seat that is used to camshaft to provide support; Described camshaft bearing bush seat is provided with the camshaft bearing hole;
The radial dimension in described camshaft bearing hole is reduced laterally gradually by gear chamber cover body inboard;
The side that the body attachment face is set of described gear chamber cover body is for inboard, and relative with the inboard is the outside.
Optionally, described camshaft bearing hole is the horn mouth shape.
Optionally, described camshaft bearing internal surface of hole is a conical surface.
Optionally, in the outside of described gear chamber cover body, and be the radial tabular stiffening rib that is provided with at the periphery of camshaft bearing bush seat.
Optionally, in the outside of described gear chamber cover body, and also be provided with the cyclic reinforcing rib coaxial with this bearing support at the periphery of described camshaft bearing bush seat; Described cyclic reinforcing rib is along circumferentially described tabular stiffening rib being connected as a single entity.
Optionally, on described gear chamber cover body, also be provided with crankshaft bearing seat, be used for the bent axle of described internal-combustion engine is provided support; Wherein, described crankshaft bearing seat is columnar structured, be arranged at described gear chamber cover body the body attachment face and with the relative exterior edge face of described body attachment face between, perhaps the arbitrary end in the two ends of described bearing support stretches out outside corresponding body attachment face or the exterior edge face, and perhaps stretch out respectively outside described body attachment face and the exterior edge face at two ends;
Through hole on the described columnar structured bearing support is used for ccontaining crankshaft bearing, is called the crankshaft bearing receiving hole;
The position that described crankshaft bearing seat is provided with on described gear chamber cover body makes when described gear chamber cover fixedly is assemblied on the internal combustion (IC) engine airframe that the crankshaft bearing receiving hole of the crankshaft bearing seat of described gear chamber cover upper body and the central axis of the crankshaft bearing receiving hole on the described internal combustion (IC) engine airframe are on same straight line.
Optionally, also be provided with the bearing hole of the axle of idle pulley in the described gear chamber cover body outside.
Optionally, arranged outside has fan supporting frame and bearing cap fitting seat in described camshaft bearing hole, and described fan supporting frame and bearing cap fitting seat are wholely set.
Optionally, also be provided with the fitting seat of the safety valve of the fitting seat of pressure regulator valve of lubricant oil and oil filter in the outside of described gear chamber cover body.
The present invention also provides a kind of block assembly of internal-combustion engine, comprises above-mentioned arbitrary described gear chamber cover.
The present invention also provides a kind of internal-combustion engine in addition, and this internal-combustion engine comprises described block assembly.
Compared with prior art, one of them aspect of the present invention has following advantage: gear chamber cover upper camshaft bearing hole is designed to the structure that radial dimension reduces laterally gradually by the gear chamber cover inboard (for example horn mouth structure or cone structure, make when this gear chamber cover is assemblied on the internal-combustion engine that the noise that internal-combustion engine produces in the running can be by being subdued in the outside propagation process of the passage of this horn mouth or taper; Also be the effect that the camshaft bearing hole design of horn mouth or conical in shape has noise reduction, noise reduction, make and adopt the internal-combustion engine of this gear chamber cover to have lower noise;
In addition, this design also can help gear chamber cover camshaft is provided strong support so that the strength and stiffness of camshaft bearing bush seat are strengthened to some extent, thereby makes the internal combustion (IC) engine airframe whole reliability strengthen greatly.
Description of drawings
Fig. 1 is the embodiment's of gear chamber cover of the present invention an one of structural representation;
Fig. 2 be gear chamber cover of the present invention embodiment structural representation two;
Fig. 3 is the structural representation behind the subdivision of gear chamber cover shown in Figure 1.
Embodiment
A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement much to be different from alternate manner described here, and those skilled in the art can do similar popularization under the situation of intension of the present invention, so the present invention is not subjected to the restriction of following public concrete enforcement.
Be described in detail below in conjunction with embodiment and accompanying drawing gear chamber cover internal-combustion engine of the present invention.Wherein, in the present embodiment, be that example describes with a kind of gear chamber cover of V-type crank circular slider internal-combustion engine, but gear chamber cover of the present invention is not limited to be applied to also be not limited in the crank circular slider internal-combustion engine in the V-type internal combustion engine.
Fig. 1 and Fig. 2 be respectively internal-combustion engine of the present invention gear chamber cover embodiment one of structural representation and two.
Please refer to Fig. 1 and Fig. 2, in the present embodiment, gear chamber cover 1 is used for cooperating with the body of V-type crank circular slider internal-combustion engine and oil sump gear chamber is covered and seals, and its body is the panel of platy structure.The body of the edge contour of this panel and V-type crank circular slider internal-combustion engine adapts, so that this gear chamber cover 1 fixedly can be assemblied on the described internal combustion (IC) engine airframe.
The outer surface of one of them side 15 of described gear chamber cover 1 body is and the attachment face of the fixing assembling of oil sump, is called the oil sump attachment face.Other edge along described gear chamber cover 1 body is provided with lateral retaining plate, thereby makes a side of gear chamber cover form inner cavity, and this inner cavity can be used as the part of the gear chamber of internal combustion (IC) engine airframe.This lateral retaining plate is set makes internal combustion (IC) engine airframe gear chamber space stretch out on the one hand, increase the space; Can also improve this gear chamber cover 1 integral intensity and rigidity on the other hand.Surface of contact when the lateral retaining plate top of this gear chamber cover 1 and body assembling constitutes its body attachment face 13.Certainly, described lateral retaining plate is not to be essential, according to the structure difference of the internal combustion (IC) engine airframe that cooperates with it, can select to be provided with or not to be provided with this lateral retaining plate.
Please continue with reference to figure 1 and Fig. 2, on described gear chamber cover 1 body, also be provided with the camshaft supporting seat 11 that is used to camshaft to provide support, the hole that camshaft supporting seat 11 is provided with vertically constitutes camshaft bearing hole 11a.Wherein, described camshaft supporting seat 11 both can be the supporting base of valve cam, also can be the supporting base of internal-combustion engine fuel cam axle.
Following requirement is satisfied in the be provided with position of described camshaft bearing bush seat 11 on 1 body on the described gear chamber cover, when gear chamber cover 1 fixedly is assemblied on the internal combustion (IC) engine airframe, corresponding camshaft bearing receiving hole axis is located along the same line on the axis of camshaft bearing hole 11a on the camshaft bearing bush seat 11 and the internal combustion (IC) engine airframe, so that the camshaft of internal-combustion engine is provided support from two ends.
In the present embodiment, described camshaft bearing bush seat 11 is tubular structure, and the one end stretches out outside the panel of described gear chamber cover 1 body laterally.The interior bone of this tubular structure constitutes its camshaft bearing hole 11a.The radial dimension of described camshaft bearing hole 11a is reduced laterally gradually by the inboard of described gear chamber cover 1, for example is horn mouth shape or conical in shape, and horn mouth or the big end opening of taper are towards the gear chamber cover inboard.As shown in Fig. 1 and Fig. 3, wherein, the side that body attachment face 13 is set of described gear chamber cover 1 body is for inboard, and relative with the inboard is the outside.
Above-mentioned horn mouth or taper large port are towards the design of gear chamber cover 1 body inboard (being internal combustion (IC) engine airframe inside), make when this gear chamber cover is assemblied on the internal-combustion engine that the noise that internal-combustion engine produces in the running can be by being subdued in the outside propagation process of the passage of this horn mouth or taper.Also be the effect that the camshaft bearing hole design of the horn mouth of the embodiment of the invention or conical in shape has noise reduction, noise reduction, adopt the internal-combustion engine of this gear chamber cover to have lower noise.
In addition, this design also can help 1 pair of camshaft of gear chamber cover and provide strong support, thereby make the internal combustion (IC) engine airframe whole reliability strengthen greatly so that the strength and stiffness of camshaft bearing bush seat 11 are strengthened to some extent.
For further improving strength and stiffness, the periphery that stretches out the gear chamber cover 1 body outside at described camshaft bearing bush seat 11 also is the radial tabular stiffening rib 11-2 that is provided with, can also be along the cyclic reinforcing rib 11-1 coaxial with this camshaft bearing bush seat 11 circumferentially be set, as shown in Figure 2.The typical shape of described tabular stiffening rib 11-2 can be the triangle platy structure.Described cyclic reinforcing rib 11-1 is along circumferentially described tabular stiffening rib 11-2 being connected as a single entity.Thereby make the bulk strength of gear chamber cover 1 and rigidity further improve.
In the present embodiment, on described gear chamber cover body, also be provided with crankshaft bearing seat 12.In the present embodiment, described crankshaft bearing seat 12 is columnar structured, please refer to Fig. 1 and Fig. 2, one end thereof is arranged between described body attachment face 13 and the exterior edge face relative with described body attachment face 13, this end stretch out described gear chamber holding space the bottom surface a little; Stretch out outside the described exterior edge face other end.
In a further embodiment, described crankshaft bearing seat 12 can be arranged at described gear chamber cover 1 body body attachment face 13 and with described body attachment face 13 relative exterior edge faces between, also can stretch out respectively between described body attachment face 13 and the exterior edge face two ends, repeat no more here.
Described crankshaft bearing seat 12 is used for the bent axle of internal-combustion engine is provided support, and the through hole on described crankshaft bearing seat 12 is used for ccontaining crankshaft bearing, is called the crankshaft bearing receiving hole.
When the position that described crankshaft bearing seat 12 is provided with on described gear chamber cover 1 body made that described gear chamber cover 1 fixedly is assemblied on the described internal combustion (IC) engine airframe, the central axis of the crankshaft bearing receiving hole of the crankshaft bearing seat 12 on the described gear chamber cover 1 and the crankshaft bearing receiving hole on the described internal combustion (IC) engine airframe (the crankshaft bearing receiving hole that comprises the antero posterior axis bearing) was on same straight line.
By crankshaft bearing seat 12 is set, can provide more strong support to bent axle, be convenient on bent axle, be provided with parts such as counterweight, can improve the reliability of entire internal combustion engine.
In an embodiment of the present invention, also be provided with the bearing hole 14 of the axle of idle pulley in the outside of described gear chamber cover 1 body, as shown in Figure 1.In described camshaft bearing hole 11 arranged outside fan supporting frame and bearing cap fitting seat 11-3 are arranged, and described fan supporting frame and bearing cap fitting seat be wholely set, as shown in Figure 2.Also be provided with the fitting seat 17 of the safety valve of the fitting seat 19 of pressure regulator valve of lubricant oil and oil filter in the outside of described gear chamber cover 1 body.Wherein side at described gear chamber cover 1 body also is provided with generator support fitting seat 18.Above-mentioned structure be wholely set with gear chamber cover 1 on, make gear chamber cover 1 have very high level of integration, also make the design, manufacture difficulty of internal combustion (IC) engine airframe itself reduce.
The gear chamber cover and the internal combustion (IC) engine airframe of the foregoing description are assemblied in one, can constitute block assembly.This block assembly can be applicable to not have in the connecting rod type internal combustion engine, makes this internal-combustion engine have the advantage that noise is little, reliability is high.
Though the present invention with preferred embodiment openly as above; but it is not to be used 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 change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (11)
1. the gear chamber cover of an internal-combustion engine, be applied to adopt connection rod-free reciprocating multiple-internal-combustion engine of rotation movement mutual conversion mechanism in; It is characterized in that, comprise body, described body is provided with and the fixing attachment face that assembles of the body of internal-combustion engine, is called the body attachment face; And with the attachment face of the fixing assembling of described oil sump, be called the oil sump attachment face; Wherein,
On described gear chamber cover body, also be provided with the camshaft bearing bush seat that is used to camshaft to provide support; Described camshaft bearing bush seat is provided with the camshaft bearing hole;
The radial dimension in described camshaft bearing hole is reduced laterally gradually by gear chamber cover body inboard;
The side that the body attachment face is set of described gear chamber cover body is for inboard, and relative with the inboard is the outside.
2. gear chamber cover according to claim 1 is characterized in that, described camshaft bearing hole is the horn mouth shape.
3. gear chamber cover according to claim 1 is characterized in that, described camshaft bearing internal surface of hole is a conical surface.
4. according to the arbitrary described gear chamber cover of claim 1 to 3, it is characterized in that,, and be the radial tabular stiffening rib that is provided with at the periphery of camshaft bearing bush seat in the outside of described gear chamber cover body.
5. gear chamber cover according to claim 4 is characterized in that, in the outside of described gear chamber cover body, and also is provided with the cyclic reinforcing rib coaxial with this bearing support at the periphery of described camshaft bearing bush seat; Described cyclic reinforcing rib is along circumferentially described tabular stiffening rib being connected as a single entity.
6. according to claim 2 or 3 described gear chamber covers, it is characterized in that, on described gear chamber cover body, also be provided with crankshaft bearing seat, be used for the bent axle of described internal-combustion engine is provided support; Wherein, described crankshaft bearing seat is columnar structured, be arranged at described gear chamber cover body the body attachment face and with the relative exterior edge face of described body attachment face between, perhaps the arbitrary end in the two ends of described bearing support stretches out outside corresponding body attachment face or the exterior edge face, and perhaps stretch out respectively outside described body attachment face and the exterior edge face at two ends;
Through hole on the described columnar structured bearing support is used for ccontaining crankshaft bearing, is called the crankshaft bearing receiving hole;
The position that described crankshaft bearing seat is provided with on described gear chamber cover body makes when described gear chamber cover fixedly is assemblied on the internal combustion (IC) engine airframe that the crankshaft bearing receiving hole of the crankshaft bearing seat of described gear chamber cover upper body and the central axis of the crankshaft bearing receiving hole on the described internal combustion (IC) engine airframe are on same straight line.
7. according to claim 2 or 3 described gear chamber covers, it is characterized in that, also be provided with the bearing hole of the axle of idle pulley in the described gear chamber cover body outside.
8. according to claim 2 or 3 described gear chamber covers, it is characterized in that arranged outside has fan supporting frame and bearing cap fitting seat in described camshaft bearing hole, and described fan supporting frame and bearing cap fitting seat are wholely set.
9. according to claim 2 or 3 described gear chamber covers, it is characterized in that, also be provided with the fitting seat of the safety valve of the fitting seat of pressure regulator valve of lubricant oil and oil filter in the outside of described gear chamber cover body.
10. the block assembly of an internal-combustion engine is characterized in that: comprise the described gear chamber cover of aforesaid right requirement 1 to 9 arbitrary claim.
11. an internal-combustion engine is characterized in that: comprise the described block assembly of claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110101122 CN102155328A (en) | 2011-04-21 | 2011-04-21 | Gear room cover of internal combustion engine, engine body assembly and internal combustion engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110101122 CN102155328A (en) | 2011-04-21 | 2011-04-21 | Gear room cover of internal combustion engine, engine body assembly and internal combustion engine thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN102155328A true CN102155328A (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110101122 Pending CN102155328A (en) | 2011-04-21 | 2011-04-21 | Gear room cover of internal combustion engine, engine body assembly and internal combustion engine thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003166441A (en) * | 2001-11-30 | 2003-06-13 | Yamaha Motor Co Ltd | Oil supply device in valve gear mechanism for internal combustion engine |
| CN200999641Y (en) * | 2007-01-10 | 2008-01-02 | 叶晓波 | Small-sized petrol engine silencer |
| CN101280735A (en) * | 2008-04-30 | 2008-10-08 | 无锡开普机械有限公司 | Gear wheel chamber cap of engine |
| CN101761417A (en) * | 2009-10-22 | 2010-06-30 | 北京中清能发动机技术有限公司 | Gear chamber cover of crank round sliding block internal-combustion engine, engine block assembly and internal-combustion engine thereof |
| CN201521351U (en) * | 2009-10-22 | 2010-07-07 | 北京中清能发动机技术有限公司 | Transmission cover plate of crank-round slider internal combustion engine, combined engine body and internal combustion machine |
| CN101963110A (en) * | 2010-10-31 | 2011-02-02 | 无锡开普动力有限公司 | Gear chamber structure of diesel engine |
-
2011
- 2011-04-21 CN CN 201110101122 patent/CN102155328A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003166441A (en) * | 2001-11-30 | 2003-06-13 | Yamaha Motor Co Ltd | Oil supply device in valve gear mechanism for internal combustion engine |
| CN200999641Y (en) * | 2007-01-10 | 2008-01-02 | 叶晓波 | Small-sized petrol engine silencer |
| CN101280735A (en) * | 2008-04-30 | 2008-10-08 | 无锡开普机械有限公司 | Gear wheel chamber cap of engine |
| CN101761417A (en) * | 2009-10-22 | 2010-06-30 | 北京中清能发动机技术有限公司 | Gear chamber cover of crank round sliding block internal-combustion engine, engine block assembly and internal-combustion engine thereof |
| CN201521351U (en) * | 2009-10-22 | 2010-07-07 | 北京中清能发动机技术有限公司 | Transmission cover plate of crank-round slider internal combustion engine, combined engine body and internal combustion machine |
| CN101963110A (en) * | 2010-10-31 | 2011-02-02 | 无锡开普动力有限公司 | Gear chamber structure of diesel engine |
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Application publication date: 20110817 |
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