CN203413033U - Dynamic balance rotation block, and crank circular sliding block mechanism and equipment adopting dynamic balance rotation block - Google Patents
Dynamic balance rotation block, and crank circular sliding block mechanism and equipment adopting dynamic balance rotation block Download PDFInfo
- Publication number
- CN203413033U CN203413033U CN201220742984.7U CN201220742984U CN203413033U CN 203413033 U CN203413033 U CN 203413033U CN 201220742984 U CN201220742984 U CN 201220742984U CN 203413033 U CN203413033 U CN 203413033U
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- block
- hole
- eccentric
- dynamic balancing
- balancing spin
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Abstract
The utility model discloses a dynamic balance rotation block which is applied to a crank circular sliding block mechanism. The dynamic balance rotation block comprises a body, wherein an eccentric through hole which deviates from the centroid by a distance (e) is formed in the body; a movable-point treatment mechanism is arranged on one end surface of the eccentric through hole in the body; a circular-sliding-block assembly structure is arranged on the other end surface of the eccentric through hole; the distance (e) is an eccentric distance of an eccentric circular hole in a circular sliding block of the crank circular sliding block mechanism. The dynamic balance rotation block and the circular sliding block are convenient to combine and easy to assemble and disassemble, and the problems of processing and assembling are solved. The utility model also provides equipment adopting the dynamic balance rotation block.
Description
Technical field
The utility model relates to the movement conversion mechanism of crank round slider, is specifically related to a kind of dynamic balancing spin-block that is applied to crank round slider movement conversion mechanism.The utility model also relates to a kind of circular slider-crank mechanism and equipment that adopts this dynamic balancing spin-block 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, 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 moving in, with circular slider-crank mechanism, replaced connecting rod.On the smooth block of circular slider-crank mechanism, be provided with eccentric circular hole.On the piston seat of piston, be provided with circular slider accommodation hole.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 being 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 moving; And the dead in line of the central axis of described eccentric circular hole and the crank pin of bent axle, thereby can realize the conversion rotatablely moving 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 interacting 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 is separately converted into the centrifugal force acting on crank pin, by the balance in addition 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, if want, reach the effect of reciprocal inertia force complete equilibrium, 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 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.Document number is that the Chinese patent literature of CN101886693A discloses a kind of circular slider-crank mechanism with dynamic balancing spin-block.In Gai mechanism, one of them smooth block passive equilibrium spin-block of the circular slider set that double-round slide forms substitutes; 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.
The above-mentioned circular slider-crank mechanism that dynamic balancing spin-block is set, not only needs the mechanism that solves point alive is set, and also needs to arrange dynamic balancing spin-block in smooth block other end side, the difficulty that such mechanism becomes assembling.
Model utility content
The utility model provides a kind of dynamic balancing spin-block, to solve the above-mentioned problem of existing circular slider-crank mechanism.The utility model provides a kind of circular slider-crank mechanism and equipment that adopts this dynamic balancing spin-block in addition.
A kind of dynamic balancing spin-block that the utility model provides, is applied to circular slider-crank mechanism, comprises body, is provided with and departs from the eccentric through-hole that its centroid distance is e on described body; On described body, eccentric through-hole one end face side is provided with the mechanism that solves the point of living; In described eccentric through-hole other end side, be provided with the structure of component location guide slide block;
Wherein, the throw of eccentric of eccentric circular hole on the described smooth block that is described circular slider-crank mechanism apart from e.
Optionally, the mechanism of described solution point alive is around the projection of described eccentric through-hole periphery and the whole circle external tooth arranging along protruding periphery.
Optionally, mechanism and described this body by integral forming of dynamic balancing spin-block of described solution point alive.
Optionally, the mechanism of described component location guide slide block is two pin-and-holes or two tapped holes that are arranged at this eccentric through-hole periphery.
Optionally, described pin-and-hole or tapped hole are blind hole.
Optionally, the mechanism of described component location guide slide block is the projection around described eccentric through-hole periphery, is provided with external splines or flat key groove in this projection.
Optionally, the mechanism of described component location guide slide block is internal spline or the flat key groove that is arranged at described eccentric through-hole inwall.
Optionally, on described dynamic balancing spin-block body, be provided with duplicate removal structure.
This is practical also provides a kind of equipment,, apply above-mentioned arbitrary described dynamic balancing spin-block.
Optionally, described equipment is single-cylinder engine, compressor, vacuum pump or reciprocating pump.
Compared with prior art, dynamic balancing spin-block of the present utility model is by the structure of assembling dynamic balancing spin-block, for assembling dynamic balancing spin-block; Make the combined and instant of itself and smooth block, easy disassembling, has solved a difficult problem for processing assembling.
Accompanying drawing explanation
Fig. 1 is the first embodiment's of dynamic balancing spin-block of the present utility model structural representation;
The structural representation that Fig. 2 is the smooth block that matches with dynamic balancing spin-block described in Fig. 1;
Fig. 3 is the structural representation that the smooth block shown in the dynamic balancing spin-block shown in Fig. 1 and Fig. 2 is assembled into one;
Fig. 4 is the second embodiment's of dynamic balancing spin-block of the present utility model structural representation;
The structural representation that Fig. 5 is the smooth block that matches with the dynamic balancing spin-block shown in Fig. 4.
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 to be much different from alternate manner described here, and those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, so the utility model is not subject to the restriction of following public concrete enforcement.
The first embodiment
Please refer to Fig. 1, it is the first embodiment's of dynamic balancing spin-block of the present utility model structural representation.In the present embodiment, dynamic balancing spin-block comprises body 3.The position of departing from its centroid distance and be e on described body 3 is provided with eccentric through-hole 3-1.The crankshaft pin that the aperture of described eccentric through-hole 3-1 is suitable for described circular slider-crank mechanism passes wherein.At this, unrestricted to the concrete shape of described dynamic balancing spin-block body 3.But dynamic balancing spin-block is as a quality part, and in the equipment of circular slider-crank mechanism, Main Function is balance inertial force.Therefore in the time of the throw of eccentric of eccentric circular hole on the smooth block that described in the throw of eccentric of eccentric through-hole 3-1 is e(, distance e is circular slider-crank mechanism), can improve the compact degree of circular slider-crank mechanism by changing the outer contour shape of dynamic balancing spin-block, increase reliability.For example, it is tabular that dynamic balancing spin-block can be set, and eccentric through-hole 3-1 runs through its thickness direction, can reduce the length of crank pin, is conducive to better control crank pin distortion.
On described dynamic balancing spin-block 3, a wherein end face side of eccentric through-hole 3-1 is also 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 eccentric through-hole 3-1 periphery and the whole circle external tooth 2-2 arranging along protruding 2-1 periphery.This external tooth 2-2 can match with the internal tooth being arranged on body, 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 the cited patent documentation of aforementioned background art, the point of living is also had to explanation.Therefore in order to overcome this problem, the external tooth 2-2 that need to arrange by matching and the internal tooth on body interact, so that smooth block, bent axle are crossed this position, guarantee to-and-fro motion and the normal conversion rotatablely moving.In the present embodiment, at the circumferential external tooth of dynamic balancing spin-block eccentric through-hole arranged outside, and the internal tooth of pairing is with it set on body; These are different from the situation of gear pair that mutual pairing is set respectively in the patent documentation of background technique on piston and crankshaft pin.The present embodiment provides the another program that solves the some problem of living.In the present embodiment, mechanism and the dynamic balancing spin-block 3 of described solution point alive are one-body molded.
In the other end of described eccentric through-hole 3-1 side, be also provided with the structure of component location guide slide block by this structure, this dynamic balancing spin-block and smooth block fixedly can be assembled into one.The structure of assembling dynamic balancing spin-block described in the present embodiment is specially two pin-and-holes that are arranged at this eccentric through-hole 3-1 periphery: the first pin-and-hole 3-2a and the second pin-and-hole 3-2b, described two pin-and-holes are symmetrical arranged with respect to eccentric through-hole 3-1 axis.It is fixedly assembled into one by matching with locating stud by smooth block as shown in Figure 21 and this dynamic balancing spin-block body 3.On smooth block shown in Fig. 2, be provided with eccentric circular hole 1-1 and corresponding to pin-and-hole 1-3a, the pin-and-hole 1-3b of above-mentioned the first pin-and-hole 3-2a and the second pin-and-hole 3-2b.Fig. 3 is the sectional view that the dynamic balance slide block shown in the dynamic balancing spin-block shown in Fig. 1 and Fig. 2 is assembled into one.As seen from Figure 3, the two assembles the phase difference with 180 degree, but this not necessarily, and during actual use, the phase difference of the two can be selected between being less than or equal to 180 being greater than 90 degree.The pore size of eccentric through-hole 3-1 and eccentric circular hole 1-1 can be identical, also can be different, and when difference, crank pin correspondingly also needs to be set to stepped.
The first pin-and-hole 3-2a described in the present embodiment and the second pin-and-hole 3-2b are blind hole, can avoid locating stud to scurry out.Certainly this not necessarily, two pin-and-holes can be also through holes.In addition, all right two tapped holes of described the first pin-and-hole 3-2a and the second pin-and-hole 3-2b, repeat no more here.
On described dynamic balancing spin-block body 3, other structures can be set, for example duplicate removal structure; It is split type etc. that dynamic balancing spin-block body 3 can also be set to, and repeats no more here.
The dynamic balancing spin-block body 3 of the present embodiment is by arranging pin-and-hole or tapped hole, for assembling dynamic balancing spin-block; Make the combined and instant of itself and smooth block, easy disassembling, has solved a difficult problem for processing assembling.
The second embodiment
Please refer to Fig. 4, its second embodiment's who is smooth block of the present utility model structural representation.In the present embodiment, the structure of the component location guide slide block of dynamic balancing spin-block body 3 is the internal spline 3-4 of eccentric through-hole 3-1 inside, corresponding therewith, on the smooth block 1 shown in Fig. 4, need to arrange the external splines 1-4 coordinating with it, by described inside and outside spline fitted, dynamic balancing spin-block and smooth block can be assembled into one.
Wherein, described internal spline 3-4 also can be set to flat key groove.
In addition, the structure of described component location guide slide block can be also the external splines that this end face side arranges, and on smooth block correspondingly, internal spline is set.Here no longer this is launched to describe.
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 departing 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 (8)
1. a dynamic balancing spin-block, is applied to circular slider-crank mechanism, it is characterized in that, comprises body, is provided with and departs from the eccentric through-hole that its centroid distance is e on described body; On described body, eccentric through-hole one end face side is provided with the mechanism that solves the point of living; In described eccentric through-hole other end side, be provided with the structure of component location guide slide block;
Wherein, on the described smooth block that is described circular slider-crank mechanism apart from e the throw of eccentric of eccentric circular hole wherein, the live mechanism of point of described solution be around the projection of described eccentric through-hole periphery and along the whole circle external tooth of protruding periphery setting.
2. dynamic balancing spin-block according to claim 1, is characterized in that, structure and described this body by integral forming of dynamic balancing spin-block of described solution point alive.
3. dynamic balancing spin-block according to claim 1, is characterized in that, the structure of described component location guide slide block is two pin-and-holes or two tapped holes that are arranged at this eccentric through-hole periphery.
4. dynamic balancing spin-block according to claim 3, is characterized in that, described pin-and-hole or tapped hole are blind hole.
5. dynamic balancing spin-block according to claim 1, is characterized in that, the structure of described component location guide slide block is the projection around described eccentric through-hole periphery, is provided with external splines or flat key groove in this projection.
6. dynamic balancing spin-block according to claim 1, is characterized in that, the structure of described component location guide slide block is internal spline or the flat key groove that is arranged at described eccentric through-hole inwall.
7. dynamic balancing spin-block according to claim 1, is characterized in that, on described dynamic balancing spin-block body, is provided with duplicate removal structure.
8. an equipment, is characterized in that, applies the arbitrary described dynamic balancing spin-block of described claim 1 to 7, and wherein, described equipment is single-cylinder engine, compressor, vacuum pump or reciprocating pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220742984.7U CN203413033U (en) | 2012-12-28 | 2012-12-28 | Dynamic balance rotation block, and crank circular sliding block mechanism and equipment adopting dynamic balance rotation block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220742984.7U CN203413033U (en) | 2012-12-28 | 2012-12-28 | Dynamic balance rotation block, and crank circular sliding block mechanism and equipment adopting dynamic balance rotation block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203413033U true CN203413033U (en) | 2014-01-29 |
Family
ID=49975922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220742984.7U Expired - Lifetime CN203413033U (en) | 2012-12-28 | 2012-12-28 | Dynamic balance rotation block, and crank circular sliding block mechanism and equipment adopting dynamic balance rotation block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203413033U (en) |
-
2012
- 2012-12-28 CN CN201220742984.7U patent/CN203413033U/en not_active Expired - Lifetime
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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: 20140129 |
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| CX01 | Expiry of patent term |