CN203322207U - Round sliding block and equipment applying same - Google Patents
Round sliding block and equipment applying same Download PDFInfo
- Publication number
- CN203322207U CN203322207U CN2012207412085U CN201220741208U CN203322207U CN 203322207 U CN203322207 U CN 203322207U CN 2012207412085 U CN2012207412085 U CN 2012207412085U CN 201220741208 U CN201220741208 U CN 201220741208U CN 203322207 U CN203322207 U CN 203322207U
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- smooth block
- circular hole
- block
- hole
- eccentric circular
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Abstract
The utility model discloses a round sliding block which is applied to a crank round sliding block mechanism with dynamic balance rotating blocks and comprises a round sliding block body, wherein the round sliding block is cylindrical and is provided with an eccentric round hole; the axis of the eccentric round hole is parallel to the excircle axis of the round sliding block; the diameter of the eccentric round hole is suitable for allowing a crankshaft-crank pin of the crank round sliding block mechanism to pass through the eccentric round hole; the round sliding block body and the dynamic balance rotating blocks are integrally formed; the dynamic balance rotating blocks are arranged on both end surfaces of the eccentric round hole of the round sliding block body; each dynamic balance rotating block is provided with a through hole which is corresponding to the eccentric round hole in position and coaxial with the eccentric round hole; a mechanism for solving a live point problem is arranged on the end surface, which is far from the round sliding block body, of the through hole of any dynamic balance rotating block. According to the round sliding block, the dynamic balance rotating blocks and the mechanism for solving the live point problem are integrated, so that a machine using the round sliding block is compact in structure. The utility model further discloses equipment applying the round sliding block.
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 equipment of this smooth block of application simultaneously.
Background technique
In traditional internal-combustion engine and compressor, by connecting rod, realize the conversion between rotatablely moving of the to-and-fro motion of piston and bent axle.Yet, in described 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, that balance quality is poor.
For addressing the above problem, Chinese patent literature CN85100358A discloses a kind of " crankshaft circular slide block reciprocating piston internal combustion engine ", Chinese patent literature CN85100359A open " a kind of crankshaft circalar slide block reciprocating piston compressor ", the disclosed internal-combustion engine of described two China patent documentation and compressor common feature be to-and-fro motion wherein with the switching mechanism rotatablely moved in, replaced connecting rod with circular slider-crank mechanism.Be provided with eccentric circular hole on the smooth block of circular slider-crank mechanism.Be provided with circular slider accommodation hole on the piston seat of piston.During assembling, smooth block is placed in to described circular slider accommodation hole, smooth block can rotate in described circular slider accommodation hole; The crank pin of bent axle is assemblied in described eccentric circular hole, and crank pin can rotate in described eccentric circular hole.
During work, for internal-combustion engine, combustion gas in firing chamber expand and promote piston movement, the smooth block be arranged at wherein by piston driving moves reciprocatingly, and smooth block rotates in described piston simultaneously, described to-and-fro motion rotates with the synthetic central axis of the central axis flexing axle of the eccentric circular hole on smooth block that makes rotatablely moved; 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 rotatablely moved that reciprocates to bent axle of piston.During compressor operating, be the reciprocating conversion of the piston that rotatablely moves of bent axle, principle is the same.
But the disclosed single cylinder engine that is of above-mentioned Chinese patent literature, it is for solving the some problem of living, need on crank pin and the point of living, the gear pair cooperatively interacted be set, in addition, this structure can not complete equilibrium device reciprocal inertia force, based on this, Chinese patent literature CN1144879A discloses a kind of " crank and double-round slide reciprocating piston internal combustion engine ", and Chinese patent literature CN1144880A discloses a kind of " crank and multi-round slide reciprocating piston internal combustion engine ".In this patent documentation, smooth block is set to circular slider set, and the piston of at least one pair of mutual up-and-down movement is set, with this, reciprocal inertia force separately is converted into to the centrifugal force acted on crank pin, by the in addition balance of breeding is set on flywheel and belt pulley.And the some problem of living also arriving of while solves.But, on single cylinder engine, reach the effect of reciprocal inertia force complete equilibrium if want, have to adopt above-mentioned double-round slide or three smooth block structures, and a wherein piston is not done work, only play the effect that reciprocal inertia force transforms, be referred to as dynamic balance slide block.This not only increases power consumption, and the machine reliability that becomes is reduced, and strengthens the manufacture difficulty of body.
For these reasons, proposed again a kind of circular slider-crank mechanism that possesses the dynamic balancing spin-block, this mechanism structure is simple, and manufacturing process is simple, and low cost of manufacture, and the overall volume of applying the single cylinder engine of this mechanism can not increase too much yet.The Chinese patent literature that document number is CN101886693A discloses a kind of circular slider-crank mechanism with dynamic balancing spin-block.In this mechanism, one of them smooth block passive equilibrium spin-block of the circular slider set that double-round slide forms substitutes; The dynamic balancing spin-block is the quality part that possesses eccentric opening, and itself and smooth block are assembled into one.The structure of relevant described dynamic balancing spin-block can be with reference to above-mentioned patent documentation CN101886693A.
Although the circular slider-crank mechanism that the dynamic balancing spin-block is set above-mentioned has solved the problem of balance, but also need to overcome the some problem of living while being applied to single cylinder engine, how to solve above-mentioned two problems simultaneously, and be that whole machine assembling manufacturing simplification is that person skilled must not irrespective problem.
The model utility content
The utility model provides a kind of smooth block, to solve the above-mentioned problem of existing smooth block.The utility model provides a kind of equipment of this smooth block of application in addition.
A kind of smooth block that the utility model provides, be applied to be provided with the circular slider-crank mechanism of dynamic balancing spin-block, comprise the smooth block body, described body is cylindrical, be provided with eccentric circular hole thereon, the axis of described eccentric circular hole is parallel with described smooth block body cylindrical axis; The crankshaft pin that the aperture of described eccentric circular hole is suitable for described circular slider-crank mechanism passes wherein; Wherein, in the eccentric circular hole both ends of the surface side of described smooth block body, be provided with and the integrated dynamic balancing spin-block of this body, each dynamic balancing spin-block is set to the through hole coaxial with this eccentric circular hole corresponding to described eccentric circular hole position;
On described arbitrary dynamic balancing spin-block, the side of the end face away from the smooth block body of through hole is provided with the mechanism that solves the point of living.
Optionally, the mechanism of described solution point alive is around the projection of described eccentric circular hole periphery and the whole circle external tooth arranged along protruding periphery.
Optionally, mechanism and the described dynamic balancing spin-block of described solution point alive are one-body molded.
Optionally, described eccentric circular hole is different from described through hole radial dimension.
Optionally, be provided with the grease channel that connects eccentric circular hole and smooth block body cylindrical on described smooth block body.
Optionally, be provided with the duplicate removal groove on described smooth block body.
The utility model also provides a kind of equipment, applies above-mentioned arbitrary described smooth block.
Optionally, described equipment is single-cylinder engine, compressor, vacuum pump or reciprocating pump.
Compared with prior art, the utlity model has following advantage: the smooth block of the present embodiment is wholely set by the mechanism by dynamic balancing spin-block and solution point alive, makes the machine construction compactness of using this smooth block, easy accessibility, the complete machine structure of applying these parts is simple, and manufacturing process can be simplified; In addition, smooth block of the present utility model all arranges the dynamic balancing spin-block in the body both sides, can make the effect of the crank round slider equipment acquisition complete equilibrium of this smooth block of application.
The accompanying drawing explanation
The embodiment's that Fig. 1 is smooth block of the present utility model structural representation;
The sectional view that Fig. 2 is Fig. 1.
Embodiment
A lot of details have been set forth in the following description so that fully understand the utility model.But the utility model can be implemented much to be different from alternate manner described here, those skilled in the art can be in the situation that do similar popularization without prejudice to the utility model intension, so the utility model is not subject to the restriction of following public concrete enforcement.
Please refer to Fig. 1 and Fig. 2, the embodiment's that wherein Fig. 1 is smooth block of the present utility model structural representation.The sectional view that Fig. 2 is Fig. 1.The smooth block of the present embodiment comprises body 1, and described body is cylindrical, and for having the oblate cylinder of two opposing end surfaces and outer circumferential face, it has circular outer circumferential face (or being called periphery).Described outer circumferential face for example, matches with the circular slider accommodation hole on being arranged at reciprocating member (piston or dynamic balance slide block).When body 1 is placed in circular slider accommodation hole, between the two, can be slidably matched, body 1 can rotate by the end face central axis around described body 1 in described circular slider accommodation hole.
Depart from its cylindrical axial location and be provided with the manhole 1-1 that runs through its both ends of the surface on described body 1, this manhole is called eccentric circular hole.The axis of described eccentric circular hole 1-1 is parallel with the cylindrical axis of described body 1, but does not overlap.
The distance of the cylindrical axis of this body 1 of the axis runout of described eccentric circular hole 1-1 is called eccentric distance e, and described eccentric distance e can be determined according to the stroke of reciprocating member.Described eccentric circular hole 1-1 is manhole, it is for holding the crank pin of crankshaft component, its size make crank pin can and eccentric circular hole between be slidably 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, at least one end at described body 1 can also be provided with the duplicate removal groove.In the present embodiment, take and duplicate removal groove 1-2 all is set at the two ends of described body 1 describes as example.Described duplicate removal groove 1-2 is arranged at the two ends of described body 1, forms by described two opposite ends the groove towards body 1 inside.The duplicate removal groove 1-2 position at two ends described in the present embodiment is corresponding, and shape is identical.Certainly in the bottom of described duplicate removal groove 1-2, duplicate removal hole (scheming not shown) can also be set.
The weight that described duplicate removal groove 1-2 and duplicate removal hole 1-4 can alleviate whole body 1 is set, while making this body 1 be applied to the crank round slider movement conversion mechanism, there is less gyrating mass.In addition, described duplicate removal groove 1-2 can also adjust the position of centre of gravity of body 1, makes the center of gravity of body 1 approach or overlaps with the geometric centroid of eccentric circular hole on body 1.When the barycenter of this smooth block overlaps with the geometric centroid of eccentric circular hole, the barycenter of this smooth block just drops on the axis through the crank pin of eccentric circular hole.
Described duplicate removal groove 1-2 can have various shapes, and in the present embodiment, it is crescent shape in the cross section of the central axial direction perpendicular to body 1 that described duplicate removal groove 1-2 is set.
By described duplicate removal groove 1-2 is set, described smooth block cross section has " work " font structure, and this structure makes body 1 have higher rigidity, can bear larger power, not yielding when work.
Be provided with and the integrated dynamic balancing spin-block of this body 1 in the eccentric circular hole 1-1 of described smooth block body 1 both ends of the surface side, be respectively the first dynamic balancing spin-block 3a and the second dynamic balancing spin-block 3b.Be provided with the through hole 3-1 coaxial with this eccentric circular hole 1-1 corresponding to described eccentric circular hole position on described two dynamic balancing spin-blocks.Described eccentric circular hole 1-1 and described through hole 3-1 can pass the crank pin of bent axle, thereby this smooth block is socketed on crank pin.The radial dimension of described eccentric circular hole 1-1 and through hole 3-1 can be identical, also can be not identical.It is identical or be set to stepped that the crank pin of corresponding bent axle need be set to radial dimension.Here no longer describe in detail.
Described the first dynamic balancing spin-block 3a and the second dynamic balancing spin-block 3b are quality part, and its gabarit shape is not construed as limiting at this, and its quality and centroid position need meet some requirements; For centroid position, actual conditions is as follows: the barycenter of institute's smooth block body 1, eccentric circular hole 1-1De center and wherein the barycenter of a dynamic balancing spin-block be respectively O
1, O
2And O
3, the projection of three on the plane perpendicular to body 1 cylindrical axis is respectively A, B and C, and ∠ ABC is greater than 90 °; For each dynamic balancing spin-block, be all like this.For obtaining better counterbalance effect, need ∠ ABC to equal 180 °.For quality, the general piston with described smooth block place of the quality sum of described two dynamic balancing spin-blocks identical in quality, but this is dispensable.The two quality can be different, and centroid distance also can be different with respect to eccentric circular hole 1-1.There is the smooth block of dynamic balancing spin-block in application when circular slider-crank mechanism, two dynamic balancing spin-blocks all no longer are arranged among piston or dynamic balance slide block, its set-up mode is similar to the balancing weight of traditional crank linkage mechanism, but its structure and equilibrium principle are fully different from described balancing weight.
On described arbitrary dynamic balancing spin-block, the side of the end face away from smooth block body 1 of through hole 3-1 also is provided with the mechanism that solves the point of living, and the mechanism that solves the point of living described in the present embodiment is specially around the protruding 2-1 of described through hole 3-1 periphery and the whole circle external tooth 2-2 arranged along protruding 2-1 periphery.This external tooth 2-2 can be arranged at body on internal tooth match, to solve " point of living " problem of single cylinder engine.Wherein " live in point " problem refers to when crankshaft rotating coincides to the cylindrical center of smooth block and crank spindle heart line, there will be crankshaft rotating and situation that piston does not move.In cited patent documentation, the point of living is also had to explanation in aforementioned background art.Therefore, in order to overcome this problem, external tooth 2-2 and the internal tooth on body that need to arrange by matching interact, so that smooth block, bent axle are crossed this position, guarantee to-and-fro motion and the normal conversion rotatablely moved.In the present embodiment, at the circumferential external tooth of dynamic balancing spin-block through hole arranged outside, and the internal tooth of pairing with it is set on body; This situation from the gear pair that mutual pairing is set respectively in the patent documentation of background technique on piston and crankshaft pin is different.The present embodiment provides the another program that solves the some problem of living.In the present embodiment, the mechanism of described solution point alive is one-body molded with corresponding dynamic balancing spin-block.
On described smooth block body 1, other structures can be set, for example connect the grease channel of eccentric 1-1 and smooth block body cylindrical; It is split type etc. that smooth block body 1 can also be set to, and repeats no more here.
The smooth block of the present embodiment is wholely set by the mechanism by dynamic balancing spin-block and solution point alive, makes the machine construction compactness of using this smooth block, easy accessibility, and the complete machine structure of applying these parts is simple, and manufacturing process can be simplified.
Above-mentioned smooth block of the present utility model, can be applied in the equipment such as single-cylinder engine, compressor, vacuum pump or reciprocating pump.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not within breaking away from spirit and scope of the present utility model; can make possible change and modification, the scope that therefore protection domain of the present utility model should be defined with the utility model claim is as the criterion.
Claims (6)
1. a smooth block, be applied to be provided with the circular slider-crank mechanism of dynamic balancing spin-block, it is characterized in that, comprise the smooth block body, described body is cylindrical, is provided with eccentric circular hole thereon, and the axis of described eccentric circular hole is parallel with described smooth block body cylindrical axis; The crankshaft pin that the aperture of described eccentric circular hole is suitable for described circular slider-crank mechanism passes wherein;
Wherein, in the eccentric circular hole both ends of the surface side of described smooth block body, be provided with and the integrated dynamic balancing spin-block of this body, each dynamic balancing spin-block is set to the through hole coaxial with this eccentric circular hole corresponding to described eccentric circular hole position;
On described arbitrary dynamic balancing spin-block, the side of the end face away from the smooth block body of through hole is provided with the mechanism that solves the point of living, and wherein, the mechanism of described solution point alive is around the projection of described eccentric circular hole periphery and the whole circle external tooth arranged along protruding periphery.
2. smooth block according to claim 1, is characterized in that, mechanism and the described dynamic balancing spin-block of described solution point alive are one-body molded.
3. smooth block according to claim 1, is characterized in that, described eccentric circular hole is different from described through hole radial dimension.
4. according to the arbitrary described smooth block of claims 1 to 3, it is characterized in that, be provided with the grease channel that connects eccentric circular hole and smooth block body cylindrical on described smooth block body.
5. smooth block according to claim 1, is characterized in that, on described smooth block body, is provided with the duplicate removal groove.
6. an equipment, is characterized in that, applies the arbitrary described smooth block of described claim 1 to 6; Wherein, described equipment is single-cylinder engine, compressor, vacuum pump or reciprocating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207412085U CN203322207U (en) | 2012-12-28 | 2012-12-28 | Round sliding block and equipment applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207412085U CN203322207U (en) | 2012-12-28 | 2012-12-28 | Round sliding block and equipment applying same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203322207U true CN203322207U (en) | 2013-12-04 |
Family
ID=49661560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207412085U Expired - Lifetime CN203322207U (en) | 2012-12-28 | 2012-12-28 | Round sliding block and equipment applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203322207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295995A (en) * | 2019-07-17 | 2019-10-01 | 李洋涛 | A kind of piston-mode motor can be realized the structure balanced entirely and multi-cylinder combination |
-
2012
- 2012-12-28 CN CN2012207412085U patent/CN203322207U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110295995A (en) * | 2019-07-17 | 2019-10-01 | 李洋涛 | A kind of piston-mode motor can be realized the structure balanced entirely and multi-cylinder combination |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131204 |
|
| CX01 | Expiry of patent term |