CN201475294U - Smooth block of crank smooth block mechanism and internal combustion engine and compressor thereof - Google Patents
Smooth block of crank smooth block mechanism and internal combustion engine and compressor thereof Download PDFInfo
- Publication number
- CN201475294U CN201475294U CN2009202222241U CN200920222224U CN201475294U CN 201475294 U CN201475294 U CN 201475294U CN 2009202222241 U CN2009202222241 U CN 2009202222241U CN 200920222224 U CN200920222224 U CN 200920222224U CN 201475294 U CN201475294 U CN 201475294U
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- smooth block
- circular hole
- boss
- block
- described smooth
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Abstract
The utility model discloses a smooth block applied to a crank smooth block motion converting mechanism, wherein the smooth block is a cylinder with two opposite end surfaces and a peripheral surface, and a round through hole called as an eccentric round hole is arranged on the smooth block, wherein the round through hole is penetrated through the two end surfaces of the smooth block, and the central axis of the round through hole is parallel to the central axis of the smooth block; an oil supply passage from the peripheral surface of the smooth block at the same side with the eccentric round hole to the eccentric round hole is also arranged on the smooth block. The smooth block is provided with the shorter oil supply passage. The utility model also provides an internal combustion engine and a compressor of a crank smooth block mechanism.
Description
Technical field
The utility model relates to the movement conversion mechanism of crank round slider, is specifically related to a kind of smooth block of crank round slider movement conversion mechanism.The utility model also relates to a kind of internal-combustion engine and compressor of circular slider-crank mechanism 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, the authorization day for announcing is that the Chinese patent that January 13, notification number in 1988 are CN85200358B discloses a kind of " crankshaft circular slide block reciprocating piston internal combustion engine "; Authorization 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 " day for announcing.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.
Disclosed internal-combustion engine of above-mentioned Chinese patent and compressor common feature are in wherein to-and-fro motion and the switching mechanism that rotatablely moves, to have replaced connecting rod with circular slider-crank mechanism.Described smooth block is provided with eccentric circular hole.The piston seat of piston is provided with circular slider accommodation hole.During assembling, smooth block is placed described circular slider accommodation hole, smooth block can rotate in described circular slider accommodation hole; The crank pin of bent axle is assemblied in the described eccentric circular hole, and crank pin can rotate in described eccentric circular hole.
During work, for internal-combustion engine, combustion gas in the firing chamber expand and promote piston motion, driving the smooth block that is arranged at wherein by piston moves reciprocatingly, and smooth block rotates in described piston simultaneously, and described to-and-fro motion rotates around the central axis of bent axle with the synthetic central axis of the eccentric circular hole on the smooth block that makes that rotatablely moves; And the dead in line of the crank pin of the central axis of described eccentric circular hole and bent axle, thereby can realize the conversion that rotatablely moves that reciprocates to bent axle of piston.Be the reciprocating conversion of the piston that rotatablely moves of bent axle during compressor operating, principle is the same.
Because in circular slider-crank mechanism, smooth block is indispensable parts, and for traditional to-and-fro motion and rotary motion conversion mechanism, it is a kind of brand-new moving element, thereby, need redesign its lubricating structure, to satisfy circular slider-crank mechanism lubricated requirement.
The model utility content
The utility model provides a kind of smooth block of circular slider-crank mechanism, and smooth block of the present utility model has shorter oil supply gallery.
A kind of smooth block that the utility model provides, be applied to the crank round slider movement conversion mechanism, described smooth block is the cylindrical body with two opposite end faces and outer circumferential face, described smooth block be provided with run through its both ends of the surface, central axis and the parallel manhole of described smooth block central axis, be called eccentric circular hole; On described smooth block, also be provided with by described smooth block and outer circumferential face described eccentric circular hole homonymy oil supply gallery to described eccentric circular hole.
Optionally, described oil supply gallery is that described smooth block outer circumferential face and described eccentric circular hole central axis are apart from the minimum place at the aperture position of described smooth block outer circumferential face.
Optionally, described oil supply gallery is circular, ellipse or polygonal at the opening of described smooth block outer circumferential face.
Preferably, described oil supply gallery is at least one.
Optionally, also has projection at the periphery of at least one end face of described eccentric circular hole along described periphery; The end face of the smooth block that described projection is peripheral is provided with at least two boss with respect to described eccentric circular hole central axis symmetry; Also be provided with the locating stud pin-and-hole that runs through the smooth block below described boss and the boss on the described smooth block; Described projection and boss are circular arc with the side coplane of described smooth block towards the outer surface of the outer circumferential face of described smooth block, also are provided with oil supply gallery at the outer surface of described circular arc between the described eccentric circular hole.
Optionally, on the both ends of the surface of described smooth block, be provided with described projection and boss, and the lug boss position of described smooth block both ends of the surface is corresponding; Described pin-and-hole connects boss described smooth block both ends of the surface, that be in the relevant position; Be arc surface with described outer circumferential face coplane at the projection of the both ends of the surface of described smooth block and boss towards the outer surface of the outer circumferential face of described smooth block, between the arc surface of the projection of the both ends of the surface of described smooth block and boss and described eccentric circular hole, be provided with oil supply gallery.
Optionally, the height of the boss on the described smooth block both ends of the surface is identical.
Optionally, on described smooth block,, also be provided with weight structure with the opposite direction of described eccentric circular hole stray circle slide block central axis.
The utility model also provides a kind of internal-combustion engine, comprises any described smooth block of scheme in the technique scheme.
The utility model also provides a kind of compressor, comprises any described smooth block of scheme in the technique scheme.
Compared with prior art, in the technical solution of the utility model, oil supply gallery is arranged on smooth block and homonymy eccentric circular hole, make the shorten length of oil supply gallery, the shorten length of oil supply gallery can make the path contraction of flow of lubricant warp, and lubricant oil or lubricant mist can enter described eccentric circular hole or flowed out by described eccentric circle slide block via described oil supply gallery; For example, enter piston or other reciprocating members from the lubricant oil of bent axle is easier through smooth block; In addition, can also save the consumption of lubricant oil; In addition, the oil supply gallery shorten length makes it be difficult for stopping up.
In preferred embodiment of the present utility model, two or many oil supply galleries can be set, more help oil duct unimpeded between bent axle and the piston, forming circular slider-crank mechanism has better lubricated, and, by more oil supply gallery is set, can alleviate the weight of smooth block 1.
Description of drawings
Fig. 1 is the structural representation of first embodiment's of the present utility model smooth block;
Fig. 2 is the generalized section of Fig. 1 along XX ' direction;
Fig. 3 is the worm's eye view of smooth block shown in Figure 1;
Fig. 4 is second an embodiment's of the present utility model structural representation;
Fig. 5 is the generalized section of Fig. 4 along YY ' direction.
Embodiment
In circular slider-crank mechanism, by smooth block bent axle and reciprocating member (for example piston) are coupled together, smooth block be to-and-fro motion with the conversion that rotatablely moves in indispensable parts.Single smooth block is applied in single cylinder engine single-acting or double-acting internal-combustion engine or the compressor, the circular slider set that needs double-round slide or multi-round slide to form in the multi-cylinder engine.A kind of smooth block that is applied to circular slider-crank mechanism is provided in the utility model.Smooth block of the present utility model promptly can be applied in the single cylinder engine as single smooth block, also can be combined into the circular slider set that comprises at least two smooth blocks, is applied in the multi-cylinder engine.
The smooth block that provides of the present utility model is the cylindrical body with outer circumferential face and two opposite end faces, described smooth block be provided with run through its both ends of the surface, central axis and the parallel manhole of described smooth block central axis, this manhole is called eccentric circular hole.On described smooth block, also be provided with by the outer circumferential face of described smooth block and described eccentric circular hole homonymy oil supply gallery to described eccentric circular hole.Described crankshaft pin is inserted in the eccentric circular hole of described smooth block, and described smooth block is placed the circular slider accommodation hole of reciprocating member, can form the crank round slider movement conversion mechanism.Smooth block of the present utility model is provided with oil supply gallery, being connected on oil duct on this oil supply gallery and the bent axle and the piston, and can be when work by bent axle to smooth block and reciprocating member fuel feeding.
Below in conjunction with specific embodiment and accompanying drawing smooth block of the present utility model is elaborated.
Embodiment one
Fig. 1 is the structural representation of first embodiment's of the present utility model smooth block, and Fig. 2 is the generalized section of Fig. 1 along XX ' direction; Fig. 3 is the worm's eye view of smooth block shown in Figure 1.
Please refer to Fig. 1 and Fig. 2, smooth block 1 is oblate cylinder, and it has circular outer circumferential face, and this outer circumferential face matches with circular slider accommodation hole on being arranged at reciprocating member (for example piston or dynamic balance slide block).When smooth block 1 places described circular slider accommodation hole, can be slidingly matched between the two.Certainly, in circular slider accommodation hole sliding bearing or rolling bearing can be set, 1 inner side surface with described sliding bearing or rolling bearing of described smooth block matches.
Described smooth block 1 has two opposing end faces 1a and 1b, and described smooth block 1 is provided with the manhole 1-1 that runs through its both ends of the surface, is called eccentric circular hole 1-1.The central axis of described eccentric circular hole 1-1 is parallel with the central axis of described smooth block 1.
The distance of the central axis of this smooth block 1 of the center axis deviation of described eccentric circular hole 1-1 is called throw of eccentric, and described throw of eccentric can be decided according to the stroke of reciprocating member.Described eccentric circular hole 1-1 is a manhole, it is used to hold the crank pin of crankshaft component, its size make crank pin can and eccentric circular hole between be slidingly matched, after perhaps sliding bearing or rolling bearing being set in eccentric circular hole, crank pin matches with the inner peripheral surface of sliding bearing or rolling bearing.
In addition, also be provided with on the described smooth block 1 by described smooth block 1 and outer circumferential face described eccentric circular hole homonymy oil supply gallery to described eccentric circular hole.Promptly, on described smooth block, also be provided with by the oil supply gallery of this smooth block outer circumferential face to described eccentric circular hole, in the utility model, described oil supply gallery is positioned at homonymy with the direction at described eccentric circular hole 1-1 stray circle slide block center at the opening of described circular hole outer circumferential face.
In the present embodiment, be positioned at the smooth block outer circumferential face and described eccentric circular hole central axis is that example describes apart from the minimum place at the aperture position of described smooth block 1 outer circumferential face with described oil supply gallery.
Please further with reference to figure 1 and Fig. 2, described smooth block 1 is provided with oil supply gallery 1-8, and described oil supply gallery 1-8 is positioned at the minimum place of distance of the central axis of described smooth block 1 outer circumferential face and described eccentric circular hole 1-1 at the aperture position of described smooth block 1 outer circumferential face.Described oil supply gallery 1-8 can be circle, ellipse or polygonal at the opening of described smooth block outer circumferential face.In the present embodiment, described opening is a rectangular, as shown in Figure 3.
Please continue with reference to figure 1 and Fig. 2, the crank pin of crank will be inserted in this smooth block 1, and this smooth block 1 is placed the circular slider accommodation hole of reciprocating member (for example piston), can form the crank round slider movement conversion mechanism, this oil supply gallery 1-8 can be communicated with the oil duct of bent axle and the oil duct of piston when work, can realize passing through described smooth block 1 to the piston fuel feeding by bent axle.
Because in the movement conversion mechanism of crank round slider, smooth block is to realize to-and-fro motion and the main parts size that rotatablely moves, in described movement conversion, smooth block bears the power from piston and bent axle, thereby the intensity of smooth block is had higher requirement.Because smooth block 1 is provided with eccentric circular hole 1-1, thereby the direction intensity of eccentric circular hole 1-1 stray circle slide block central axis can descend to some extent, particularly the outer circumferential face of smooth block 1 and described eccentric circular hole 1-1 central axis are the strength weak link apart from the minimum place.According to conventional design, generally can be not again opening here, in order to avoid further influence intensity.
And in the utility model, oil supply gallery 1-8 is arranged on routine thinks the place of unsuitable opening to be a kind of conventional design that breaks through.And, force analysis when smooth block 1 is moved in the movement conversion mechanism of crank round slider as can be known, when smooth block 1 participated in to-and-fro motion with the conversion that rotatablely moves in the movement conversion mechanism of crank round slider, the homonymy with direction eccentric circular hole 1-1 Off center axis smooth block 1 mainly bore the pressure from other parts.For tensile force, pressure is low to the requirement of the intensity of smooth block 1, thereby oil supply gallery 1-8 is set can't influence the requirement of crank round slider movement conversion mechanism to the intensity of smooth block 1.
And, in the utility model, because oil supply gallery 1-8 is arranged on smooth block and homonymy eccentric circular hole 1-1, thereby the shorten length of oil supply gallery 1-8, lubricant oil or lubricant mist can enter described eccentric circular hole 1-1 or flowed out by described eccentric circle slide block 1-1 via described oil supply gallery 1-8.
Particularly in the present embodiment, oil supply gallery 1-8 be arranged at smooth block 1 outer circumferential face to eccentric circular hole 1-1 central axis apart from the minimum place, the length of oil supply gallery 1-8 is the shortest.The advantage that shortens the length of oil supply gallery 1-8 is conspicuous, and at first, the path contraction of flow of lubricant warp enters piston or other reciprocating members from the lubricant oil of bent axle is easier through smooth block 1.
In addition, can also save the consumption of lubricant oil; In addition, oil supply gallery 1-8 shorten length also is difficult for stopping up.
In addition, on smooth block 1,, also be provided with weight structure with the opposite direction of described eccentric circular hole 1-1 stray circle slide block 1 central direction, in the present embodiment crescent 1-2, described crescent 1-2 is mainly used in the weight that alleviates whole smooth block for removing heavy groove, adjusts the center of gravity of this smooth block 1 simultaneously.And by described crescent 1-2 is set, described smooth block has " worker " font structure (as shown in Figure 2) along the cross section of XX ', and this structure makes smooth block 1 have higher rigidity, can bear bigger power, and is not yielding when work.In addition,, can also there be other to remove weight structure, for example, removes repeated hole etc., be not described in detail here in the position of described crescent 1-2.
In addition, on described smooth block 1, other structure can also be set, for example,, pin-and-hole 1-3 can also be set at the periphery of the deflection circular hole of described smooth block 1 if this smooth block 1 will be formed circular slider set with other smooth blocks.Here be not described in detail.
Embodiment two
In second embodiment of the present utility model, except being provided with the oil supply gallery 1-8 described in the embodiment one, can also be provided with other oil supply gallery.
The periphery of the both ends of the surface of described eccentric circular hole 1-1 also be respectively arranged with protruding 1-5 along described periphery, as shown in Figure 4 and Figure 5, wherein, Fig. 4 is second an embodiment's of the present utility model structural representation, Fig. 5 is the generalized section of Fig. 4 along YY ' direction.Described protruding 1-5 is arranged on the end face of described smooth block 1 and is integrally formed with described end face.This makes the length along its central axial direction of eccentric circular hole 1-1 increase, thereby the feasible intensity that comprises the smooth block of this projection 1-5 increases.In addition, be arranged at the also tool adjustment smooth block 1 position of centre of gravity effect of described eccentric circular hole 1-1 end face peripheral projection.
In addition, because outside the end face of the outstanding described smooth block of described protruding 1-5, when being applied to the crank round slider movement conversion mechanism, the outer surface of described protruding 1-5 can be used as antifriction face, and the end face 1a of smooth block 1 and 1b are not re-used as anti-attrition face, so can further process it, can reduce manufacturing procedure.
The height of the end face of the outstanding smooth block 1 of described protruding 1-5 can be set according to actual needs, and for example, the consideration of smooth block bulk strength is to the consideration of smooth block position of centre of gravity adjustment; Also have in addition double-round slide or multi-round slide are combined to form circular slider set when being applied to multi-cylinder engine, the consideration of position etc. between two cylinders is given unnecessary details here no longer one by one.
In the present embodiment, identical at the height of the outstanding smooth block end face of the protruding 1-5 of the both ends of the surface of described smooth block 1, promptly the protruding 1-5 on smooth block 1 both ends of the surface is with respect to described smooth block 1 symmetry.
On the end face of the smooth block of the periphery of the protruding 1-5 on each end face of described smooth block 1, also be provided with at least two boss 1-6 with respect to the central axis symmetry of described eccentric circular hole 1-1.As shown in Figure 4 and Figure 5, in the present embodiment, on each end face of smooth block, be provided with two boss, and the position of the boss of both ends of the surface is corresponding.In addition, in the present embodiment, the height of the end face of the outstanding described smooth block 1 of described boss 1-6 is identical with the height that described protruding 1-5 gives prominence to.
At the outer surface towards the outer circumferential face of described smooth block 1 of described protruding 1-5 and boss 1-6 is arc surface with described outer circumferential face coplane, also is provided with oil supply gallery 1-9 at the outer surface of described circular arc between the described eccentric circular hole 1-1.
Because in the present embodiment, on the both ends of the surface of described smooth block 1, be provided with described protruding 1-5 and boss 1-6, so between the arc surface of the protruding 1-5 of the both ends of the surface of described smooth block 1 and boss 1-6 and described eccentric circular hole 1-1, be provided with oil supply gallery.Certainly, also can be only between the arc surface of protruding 1-5 on the end face of smooth block 1 and boss 1-6 and eccentric circular hole 1-1, be provided with oil supply gallery, repeat no more here.
By two or many oil supply galleries are set, more help oil duct unimpeded between bent axle and the piston, form circular slider-crank mechanism have better lubricated, and, by more oil supply gallery is set, can alleviate the weight of smooth block 1.
In addition, also be provided with the boss 1-6 that runs through relevant position on its end face and the locating stud pin-and-hole 1-3 of the smooth block below the described boss 1-6 on the described smooth block 1; Described pin-and-hole 1-3 is used to insert locating stud, with when two or more smooth blocks are formed circular slider set, realizes between smooth block the fixing assembling and the fixing phase place of smooth block.
In addition, others of the present utility model can be identical with embodiment one, repeats no more here.
In addition, the smooth block in the utility model both can be the work smooth block, and promptly described smooth block places the circular slider accommodation hole of piston, participate in to-and-fro motion and rotatablely move between conversion.Can be the balance smooth block also, place dynamic balance slide block when promptly using.
In addition, above-mentioned circular slider set can be applied in internal-combustion engine or the compressor, form crank circular slider internal-combustion engine or compressor.
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 not in breaking away from spirit and scope of the present utility model; can make possible change and modification, therefore protection domain of the present utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (10)
1. smooth block, be applied to the crank round slider movement conversion mechanism, it is characterized in that: described smooth block is the cylindrical body with two opposite end faces and outer circumferential face, described smooth block be provided with run through its both ends of the surface, central axis and the parallel manhole of described smooth block central axis, be called eccentric circular hole; On described smooth block, also be provided with by described smooth block and outer circumferential face described eccentric circular hole homonymy oil supply gallery to described eccentric circular hole.
2. smooth block as claimed in claim 1 is characterized in that: described oil supply gallery is that described smooth block outer circumferential face and described eccentric circular hole central axis are apart from the minimum place at the aperture position of described smooth block outer circumferential face.
3. smooth block as claimed in claim 2 is characterized in that: described oil supply gallery is circle, ellipse or polygonal at the opening of described smooth block outer circumferential face.
4. as the described smooth block of the arbitrary claim of claim 1 to 3, it is characterized in that: described oil supply gallery is at least one.
5. as the described smooth block of the arbitrary claim of claim 1 to 3, it is characterized in that: also have projection along described periphery at the periphery of at least one end face of described eccentric circular hole; The end face of the smooth block that described projection is peripheral is provided with at least two boss with respect to described eccentric circular hole central axis symmetry; Also be provided with the locating stud pin-and-hole that runs through the smooth block below described boss and the boss on the described smooth block; Described projection and boss are circular arc with the side coplane of described smooth block towards the outer surface of the outer circumferential face of described smooth block, also are provided with oil supply gallery at the outer surface of described circular arc between the described eccentric circular hole.
6. smooth block as claimed in claim 5 is characterized in that: be provided with described projection and boss on the both ends of the surface of described smooth block, and the lug boss position of described smooth block both ends of the surface is corresponding; Described pin-and-hole connects boss described smooth block both ends of the surface, that be in the relevant position; Be arc surface with described outer circumferential face coplane at the projection of the both ends of the surface of described smooth block and boss towards the outer surface of the outer circumferential face of described smooth block, between the arc surface of the projection of the both ends of the surface of described smooth block and boss and described eccentric circular hole, be provided with oil supply gallery.
7. smooth block as claimed in claim 6 is characterized in that: the height of the boss on the described smooth block both ends of the surface is identical.
8. as claim 1 or 2 or 3 or 6 described smooth blocks, it is characterized in that: on described smooth block,, also be provided with weight structure with the opposite direction of described eccentric circular hole stray circle slide block central axis.
9. an internal-combustion engine is characterized in that: comprise the described smooth block of the arbitrary claim of claim 1 to 8.
10. a compressor is characterized in that: comprise the described smooth block of the arbitrary claim of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202222241U CN201475294U (en) | 2009-08-26 | 2009-08-26 | Smooth block of crank smooth block mechanism and internal combustion engine and compressor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202222241U CN201475294U (en) | 2009-08-26 | 2009-08-26 | Smooth block of crank smooth block mechanism and internal combustion engine and compressor thereof |
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| Publication Number | Publication Date |
|---|---|
| CN201475294U true CN201475294U (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202222241U Expired - Lifetime CN201475294U (en) | 2009-08-26 | 2009-08-26 | Smooth block of crank smooth block mechanism and internal combustion engine and compressor thereof |
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| Country | Link |
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| CN (1) | CN201475294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734308A (en) * | 2012-06-20 | 2012-10-17 | 无锡宇吉科技有限公司 | Eccentric wheel |
-
2009
- 2009-08-26 CN CN2009202222241U patent/CN201475294U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102734308A (en) * | 2012-06-20 | 2012-10-17 | 无锡宇吉科技有限公司 | Eccentric wheel |
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Legal Events
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |
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| CX01 | Expiry of patent term |