CN101655152B - Single action piston for crank round sliding block mechanism as well as internal-combustion engine and compressor thereof - Google Patents
Single action piston for crank round sliding block mechanism as well as internal-combustion engine and compressor thereof Download PDFInfo
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- CN101655152B CN101655152B CN2009100871872A CN200910087187A CN101655152B CN 101655152 B CN101655152 B CN 101655152B CN 2009100871872 A CN2009100871872 A CN 2009100871872A CN 200910087187 A CN200910087187 A CN 200910087187A CN 101655152 B CN101655152 B CN 101655152B
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Abstract
The invention discloses a single action piston for a crank round sliding block mechanism; the single action piston comprises a piston seat and a crown part arranged at one end of the piston, wherein the proper part of the piston seat is provided with a balance weight body which can be used for increasing the mass of the single action piston so as to make the mass of the single action piston be matched with another piston that is matched with the single action piston for use; and the position where the balance weight body is arranged can simultaneously make the center of gravity of the single action piston to be arranged at the needed position. Preferentially, the balance weight body of the piston is arranged at the other end of the piston correspondingly to the crown part. As the single action piston for the crank round sliding block mechanism is provided with the balance weight body, the mass of the single action piston can be adjusted by selecting the balance weight body with different weights, and the mass ratio between the balance weight body and the piston assembled with the balance weight body can be ensured to be proper; in addition, the center of gravity of the piston can be arranged at the needed position by selecting the single action position of the balance weight body on the piston seat.
Description
Technical field
The present invention relates to the piston technology, be specifically related to a kind of single action piston that is used for circular slider-crank mechanism.The present invention relates to internal-combustion engine, the compressor that uses above-mentioned piston set simultaneously.
Background technique
The motion of conventional engines is a connecting rod.Under this motion, the to-and-fro motion of piston need pass to bent axle by connected connecting rod, and in movement process, connecting rod makes piston be subjected to the periodicity lateral force that changes with higher-order function along with the motion do swing back and forth of piston.
Because the existence of connecting rod, shortcomings such as that the connecting rod internal-combustion engine exists is bulky, heavy, balance quality difference, in order to address these problems, Chinese patent literature CN85100358B discloses a kind of " crankshaft circular slide block reciprocating piston internal combustion engine ", the characteristics of this internal-combustion engine are to have cancelled connecting rod, the smooth block that employing has eccentric circular hole matches with the piston assembly of particular design, and the straight reciprocating motion that realizes piston is to the conversion that rotatablely moves.Chinese patent literature CN1067741C further provides a kind of crank and double-round slide reciprocating piston internal combustion engine, the characteristics of this internal-combustion engine are to have a piston and a dynamic balance slide block, in the 6th page of the 3rd paragragh of specification of this patent documentation, point out, require the identical in quality of piston assembly and dynamic balance slide block assembly, center of gravity is on center line separately.In fact, above-mentioned dynamic balance slide block assembly can be made the form of piston, it is working part that the dynamic balance slide block that provides in second embodiment of this patent documentation has just adopted an end, the other end is the form of the single action piston of guide portion, at this moment, in fact described dynamic balance slide block uses as piston, its working part is moved in cylinder equally, combustion-gas pressure after this dynamic balance slide block plays equally gas mixture lighted is converted into to-and-fro motion power, therefore, can not distinguish piston and dynamic balance slide block in this case, that is to say, can think that two pistons carry out dynamic balancing each other.Because piston and dynamic balance slide block among this embodiment do not have essential distinction, therefore, below this dynamic balance slide block are also referred to as piston.For this embodiment, all there is working part at two that alleged piston is, and promptly the described double-faced piston of the document is called two-way ram in this patent; Alleged dynamic balance slide block is the single face piston structure among this embodiment, is called single action piston in this patent.
This second embodiment needs smooth running, equally also needs to satisfy above-mentioned requirements, i.e. identical in quality the and center of gravity of piston assembly and dynamic balance slide block assembly is on center line separately.But because the former uses two-way ram, the latter uses single action piston, if both adopt identical piston seat and working part, its weight obviously can there are differences.In this patent documentation, openly do not overcome the ins and outs of the problems referred to above.In fact, in circular slider-crank mechanism, if there are several pistons, quality between each piston has certain requirement than the capital, for example, and in above-mentioned Chinese patent literature CN1067741C, need the identical in quality of two piston assemblies, and center of gravity drops on the center line of piston.In Chinese patent literature CN1144880A, a kind of crank and multi-round slide reciprocating internal combustion engine is disclosed, in its second embodiment, then have the single action piston (original text is called the single face piston) that two parallel tracks are arranged, with the track single action piston vertical with above-mentioned two pistons as dynamic balance slide block.For the desirable dynamic balancing effect that this structure is lived, need equal two other piston weight sum as the weight of the piston of dynamic balance slide block.
In a word, in the system of two garden slide blocks of above-mentioned crank or crank and multi-round slide, in order to realize rational cylinder arrangement, make the performance of internal-combustion engine or compressor reach best, need the mass ratio that keeps suitable between the different pistons, and the position of centre of gravity of piston needs also to be provided with and goes up in place, otherwise, motor or compressor will be difficult to obtain best characteristic, even can't run well.
In circular slider-crank mechanism, need sometimes single action piston and two-way ram are used.So-called single action piston, one that is exactly piston has bizet, and so-called two-way ram is the piston that all there is bizet at two of piston.At this moment, because bizet number difference makes two quality differences between the piston, its mass ratio can't meet design requirement, and has influenced the flexibility of internal combustion (IC) Engine Design.
Summary of the invention
At above-mentioned defective, the technical problem that the present invention solves is, a kind of single action piston that is used for circular slider-crank mechanism is provided, and the weight of this piston can free adjusting, and it can be cooperated with two-way ram, constitutes crank round slider motor or compressor.
The invention provides a kind of single action piston that is used for circular slider-crank mechanism, this single action piston comprises the bizet that an end of piston seat and this single action piston is provided with, suitable position at described piston seat is provided with balance weight body, this balance weight body increases the quality of this single action piston, so that the quality of this single action piston and another piston that this single action piston is used that neutralizes at circular slider-crank mechanism is complementary, the position that is provided with of this balance weight body makes this single action piston center of gravity drop on the desired position simultaneously.
Preferably, the described relatively bizet of the balance weight body of described piston is arranged on the other end of this single action piston.
Preferably, the balance weight body of described single action piston specifically is counterweight bar or the balancing weight that connects as one with this single action piston piston seat one or split but by linkage structure.
Preferably, this single action piston is a built-up piston, this single action piston comprises piston seat and bizet, described piston seat is a quadrant, on this piston seat, be provided with circular slider accommodation hole perpendicular to the quadrant surface, one of this quadrant is provided with fitting surface and the linkage structure that cooperates with bizet, and the other end is provided with described counterweight bar or balancing weight; Described bizet is the cylinder of lower surface opening, and its upper surface is a piston head, and the piston head bottom is provided with the fitting surface that cooperates with described piston seat, and and the piston seat connection structure connecting; By the above-mentioned linkage structure that is separately positioned on bizet and the piston seat, use link that bizet and piston seat are connected as one, its fitting surface is fitted mutually.
Preferably, on the balance weight body of described single action piston, be fixed with by link and insert.
Preferably, this single action piston is a built-up piston, this single action piston comprises piston seat and bizet, described piston seat is a quadrant, be provided with circular slider accommodation hole perpendicular to the quadrant surface on it, one of this quadrant is provided with fitting surface and the linkage structure that cooperates with bizet, and the other end is provided with and the described linkage structure of inserting and cooperating; Described bizet is the cylinder of lower surface opening, and its upper surface is a piston head, and the piston head bottom is provided with the fitting surface that cooperates with described piston seat, and and the piston seat connection structure connecting; By the above-mentioned corresponding linkage structure that is separately positioned on bizet and the piston seat, use link that bizet and piston seat are connected as one; Described inserting is provided with the linkage structure that cooperates with piston seat, by be separately positioned on insert and piston seat on the linkage structure of mutual correspondence, use link describedly to insert and piston seat connects as one.
Preferably, described inserting is wrapped in the outside of described piston seat, plays to change the effect that pair is joined in friction.
The present invention provides a kind of internal-combustion engine simultaneously, and this internal-combustion engine is a crank circular slider internal-combustion engine, and the piston of its use or dynamic balance slide block comprise the described single action piston of above-mentioned each technological scheme.
The present invention provides a kind of compressor simultaneously, and this compressor uses the described single action piston that is used for circular slider-crank mechanism of above-mentioned each technological scheme.
Compared with prior art, the single action piston that is used for circular slider-crank mechanism provided by the invention is provided with balance weight body, by the selection of this balance weight body weight, can regulate the quality of this piston, makes the piston of itself and assembly have suitable mass ratio; In addition, can also make the center of gravity of piston be positioned at the desired position by the selection of the position of balance weight body on piston seat.
In the preferred implementation of the present invention, balance weight body is arranged on the piston seat and the relative the other end of an end that bizet is set, the quality of the bizet that this balance weight body can the equalizing piston the other end makes center of gravity drop on the central position of piston, satisfies primary demand.
In further preferred implementation of the present invention, on described balance weight body, be connected with and insert by linkage structure, by this accurately quality of regulating piston of inserting, in addition, can also join pair by the friction of adjusting between piston and the body of inserting that is arranged on the piston seat periphery, obtain best kinetic characteristic.。
Description of drawings
Fig. 1 is the front view of a kind of integrated type two-way ram of providing of Chinese patent literature CN1067741C Figure of description 10;
Fig. 2 is the plan view of a kind of integrated type two-way ram of providing of Chinese patent literature CN1067741C Figure of description 11;
Fig. 3 is the combined double-acting piston that the embodiment of the invention provides;
Fig. 4-the 1st, the part left view of the bizet of the combined double-acting piston that the embodiment of the invention provides;
Fig. 4-the 2nd, the part worm's eye view of the bizet of the combined double-acting piston that the embodiment of the invention provides;
Fig. 5-the 1st, the part front view of the piston seat of the combined double-acting piston that the embodiment of the invention provides;
Fig. 5-the 2nd, the plan view of the piston seat of the combined double-acting piston that the embodiment of the invention provides;
Fig. 6 is the schematic representation of the band counterweight single action piston that provides of the embodiment of the invention;
Fig. 7 is the structural representation of the piston seat of the band counterweight single action piston that provides of the embodiment of the invention;
Fig. 8 is the schematic representation of inserting that the embodiment of the invention provides.
Embodiment
First embodiment of the invention provides a kind of single action piston, and this piston can cooperate the formation piston set with two-way ram, is used for crank and double-round slide reciprocating piston internal combustion engine.The form that provides under the prior art can be provided described two-way ram.For example, the two-way ram form that provides of Figure 10 of Chinese patent literature CN1067741C, Figure 11.Figure 10, Figure 11 of the two-way ram that provides according to above-mentioned patent documentation promptly is provided for Fig. 1, Fig. 2.Below this two-way ram is carried out briefly bright.
From Fig. 1, Fig. 2 as can be seen, the two ends of this two-way ram are all identical working part of shape and size, in the present invention, this working part are called bizet 1; This bizet 1 is cylindrical, and its end face is piston head 1-1, and this piston head 1-1 is going to the bottom of combustion chambers of internal combustion engines, and its outer cylinder is provided with the piston ring groove 1-2 of ring installation, and this part is called ring belt.The stage casing of this piston is the guide portion 2 that is quadrant, and its guide surface 2-1 and cylinder match, and at the guide portion center, is shaped on the circular slider accommodation hole 2-2 of installation smooth block perpendicular to the plane of quadrant.Except above-mentioned main structure, above-mentioned Fig. 1, Fig. 2 also show lubricating structures such as oil groove, oilhole.For these structures, no longer describe in detail in the present embodiment.
The characteristics of above-mentioned two-way ram are that the bizet 1 and the guide portion 2 of this piston are as a whole, are made into integration.But because the operating mode of piston different parts differs greatly, if all adopt same material to make, the material that then can not be flexibly adapts at the different operating modes selections of various piece.For this reason,, can be divided into several sections according to the resemblance at its different position for above-mentioned two-way ram, processing separately respectively, and then connect as one, form a complete two-way ram.Like this, just can select different materials according to the operating mode of different piece.Please referring to Fig. 3, this illustrates a kind of combined double-acting piston, and this piston comprises the bizet 4 of making piston seat 3 and this piston seat 3 two respectively separately, and both connect as one by attachment screw 5.
Please referring to Fig. 4, this illustrates the structure of the bizet 4 of this two-way ram, wherein, and Fig. 4-the 1st, the left view of bizet 4, Fig. 4-the 2nd, the worm's eye view of bizet 4.
Described bizet 4 tops and pot type piston are basic identical, comprise piston head 4-1 and ring belt 4-2, and this piston is not provided with the piston skirt, but stretch out two guiding side plate 4-3, are provided with counterbore 4-3-1 on each guiding side plate 4-3.The external diameter of this guiding side plate 4-3 is bigger slightly than the external diameter of described ring belt 4-2, makes it play significant feature in the aperture surface frictional fit of piston and cylinder.
From Fig. 4-2 as can be seen, piston head 4-1 bottom at this bizet 4, be provided with criss-cross strengthening rib 4-4, wherein the first strengthening rib 4-4-1 connects two guiding side plate 4-3 and piston head 4-1 bottom surface, the second strengthening rib 4-4-2 is provided with perpendicular to the described first strengthening rib 4-4-1, and connect the inwall of ring belt 4-2 both sides and the bottom surface of piston head 4-1, be provided with the load cylinder 4-5 that is connected to piston head 4-1 bottom surface at described first strengthening rib 4-4-1 and the crossing position of the second strengthening rib 4-4-2.The lower openings of this bizet 4 has inner stopper, load-carrying surface of the common formation in the bottom surface of the seam plane 4-6 of this inner stopper and the described above-mentioned first strengthening rib 4-4-1 and the second strengthening rib 4-4-2 and load cylinder 4-5.This load-carrying surface is a smooth bottom surface, is called bizet load-carrying surface 4-7.
Please referring to Fig. 5, this illustrates the piston seat 3 of the combined double-acting piston that the embodiment of the invention provides.Wherein, Fig. 5-1 is the front view of this piston seat 3, Fig. 5-the 2nd, the plan view of this piston seat 3.
This piston seat 3 comprises the symmetrically arranged link press span 3-3 of smooth block accommodating body 3-1 and the former slide block accommodating body of this circle 3-1 upper and lower end.
Described smooth block accommodating body 3-1 is arranged on piston seat 3 middle parts, the integral body of this smooth block accommodating body 3-1 is circular bluff body, its central circular is exactly circular slider accommodation hole 3-2, and this circular slider accommodation hole 3-2 is used for ccontaining smooth block, and its circle ring inner wall need be settled sliding bearing or rolling bearing.
Described link press span 3-3 is symmetricly set on the upper and lower end of described smooth block accommodating body 3-1, and this is symmetrically arranged with two bizets up and down with this piston and adapts.Two side 3-3-2 and a central support posts 3-3-3 that described link press span 3-3 comprises piston seat heavy frame 3-3-1 and supports this piston seat heavy frame 3-3-1.
Described two side 3-3-2 stretch out with the axial direction perpendicular to circular slider accommodation hole 3-2 from the symmetrical position of described smooth block accommodating body 3-1 both sides, side 3-3-2 is that interior external diameter is circular-arc bar, have tapped hole or through hole on it, for the ease of using link to connect, this position that has tapped hole or through hole is provided with corresponding boss 3-3-6, to increase the degree of depth of this tapped hole or through hole.Then the axis perpendicular to circular slider accommodation hole 3-2 stretches out described central support posts 3-3-3 in the neutral position of left and right sides side 3-3-2, and this central support posts 3-3-3 is cylindric.Described piston seat heavy frame 3-3-1 comprises annulus 3-3-4 and at the cross supporting frame 3-3-5 of this circle ring center, the support edge of this cross supporting frame 3-3-5 connects described two side 3-3-2, described annulus 3-3-4, cross supporting frame 3-3-5 and central support posts 3-3-3 upper surface form complete piston seat load-carrying surface 3-3-7, this plane and described bizet load-carrying surface 4-7 match, and both are fitting surface each other.This plane, piston seat load-carrying surface 3-3-7 place is perpendicular to plane, described circular slider accommodation hole 3-2 end face place, and the thickness of this piston seat heavy frame 3-3-1 is then basic identical with the inner stopper height of described bizet 4 bottoms.Above-mentioned side 3-3-2 and the described piston seat heavy frame of central support posts 3-3-3 together support 3-3-1 play the power transmission effect.
During assembling, the bizet load-carrying surface 4-7 of described bizet 4 and the piston seat load-carrying surface 3-3-7 of described piston seat 3 are fitted mutually, wherein, the seam plane 4-6 of described bizet load-carrying surface 4-7 is relative with the upper surface of described annulus 3-3-4.Particularly, the described first strengthening rib 4-4-1 is relative with the upper surface of described cross supporting frame 3-3-5 and central support posts 3-3-3 with the bottom surface of the second strengthening rib 4-4-2 and load cylinder 4-5, and plane 4-6 is relative with annulus 3-3-4 for described seam.Because the thickness of piston seat heavy frame 3-3-1 and the inner stopper height of described bizet 4 bottoms are basic identical, make the bottom surface of this piston seat heavy frame 3-3-1 concordant substantially with the bottom surface of described bizet 4 cylinders.At this moment, described guiding side plate 4-3 is from two the side 3-3-2 outside and its applying of link press span 3-3, and its counterbore 4-3-1 is relative with tapped hole or through hole on the side 3-3-2, like this, can use screw or rivet to connect the two portions together.Fig. 3 illustrates both and uses screw 5 to link together.Bizet 4 can be installed in these piston seat 3 two ends, has so just formed a complete piston with two bizets 4, can be applied on the multi-cylinder engine with other piston.In order to make the fixing more reliable of described bizet 4 and piston seat 3, can linkage structures such as screw or rivet be set on both surface of contact, with both more firm linking together.In addition, in order to alleviate the total quality of piston, under the satisfactory situation of the intensity of bizet 4, can remove repeated hole at the intermediate open position of its first strengthening rib 4-4-1 and the second strengthening rib 4-4-2.
Above-mentioned piston can be formed three cylinder machines with the another one single action piston, but, if the single action piston that directly uses prior art to provide, then there is notable difference in the quality of this piston and two-way ram, and under the situation that two pistons are only arranged, two pistons of fitness for purpose need identical in quality, and therefore, the single action piston that directly uses prior art to provide can't satisfy the mass ratio requirement.For this reason, need carry out specialized designs to single action piston.
Please referring to Fig. 6, this illustrates a kind of single action piston, and this piston can match with above-mentioned integrated type or knockdown two-way ram, is formed for the piston set of three cylinder machines.
As can be seen from Figure 6, this piston comprises piston seat 6, bizet 7,8 three parts of inserting, and the three is fixed together by screw 9.Described bizet 7 is identical with the bizet of above-mentioned two-way ram, does not repeat them here, and below describes the structure of piston seat 6 in detail.
Please referring to Fig. 7, this figure is the structural representation of the piston seat 6 of band counterweight single action piston provided by the invention.This piston seat 6 comprises the link press span 6-3 that smooth block accommodating body 6-1 and the former slide block accommodating body of this circle 6-1 top are provided with, and the counter-balanced carriage 6-4 that is provided with in this link press span 6-3 symmetrical position.Wherein, described smooth block accommodating body 6-1 is identical with the structure of the corresponding site of above-mentioned two-way ram with link press span 6-3.Be provided with circular slider accommodation hole 6-2 equally on the described smooth block accommodating body 6-1, described link press span 6-3 then comprises piston seat heavy frame 6-3-1 and supports two side 6-3-2 of this piston seat heavy frame 6-3-1, a central support posts 6-3-3.Wherein, on two side 6-3-2, be provided with counterbore equally, so that cooperate with bizet 7.Different with above-mentioned two-way ram, with link press span 6-3 symmetrical position another link press span is not set, but is provided with the counter-balanced carriage 6-4 that a structure is distinguished to some extent.This counter-balanced carriage 6-4 comprises two counter-balanced carriage side 6-4-1, counter-balanced carriage central support posts 6-4-2 and counterweight bar 6-4-3.
The side 6-3-2 of described counter-balanced carriage side 6-4-1 and described link press span 6-3 is symmetrical arranged, and it is provided with side counterbore 6-4-5.The central support posts 6-3-3 of counter-balanced carriage central support posts 6-4-2 and described link press span 6-3 is symmetrical arranged, and their end connects with counterweight bar 6-4-3.Described counterweight bar 6-4-3 is a thick and heavy stick, its role is to provide certain quality to be assemblied in the weight of the bizet of this piston other end with balance.If this counterweight bar 6-4-3 broad becomes bulk, then can be called balancing weight.The middle part of the upper surface of this counterweight bar 6-4-3 is provided with center counterbore 6-4-4, and this center counterbore 6-4-4 and the counterbore that is arranged on the counter-balanced carriage side 6-4-1 match, and are used for fixing and insert 8.
Please referring to Fig. 8, this illustrates described 8 the structure of inserting.
Describedly insert 8 for rectangular U type, its base plate is provided with bottom surface counterbore 8-1, and its bi-side are provided with side counterbore 8-2.This is inserted and 8 can be fixed on the described counterweight bar 6-4-3 by structures such as above-mentioned counterbores.This is inserted and 8 adopts material such as aluminum alloys to make, by this insert 8 and body cooperate, can obtain the less friction of friction factor and join pair.
When making up above-mentioned piston, need be with described bizet 7, inserting 8 is enclosed within on the described piston seat 6.Wherein, the counterbore on the side 6-3-2 of counterbore on the guiding side plate of bizet 7 and described piston seat 6 is relative; The center counterbore 6-4-4 of described insert 8 bottom surface counterbore 8-1 and counterweight bar 6-4-3 is relative, and 8 the side counterbore 8-2 of inserting is relative with side counterbore 6-4-5 on the described counter-balanced carriage side 6-4-1, by screw 9 three is fixed together then.Above-mentioned 8 outsides that in fact are wrapped in piston seat 6 of inserting, therefore, the surface of contact of piston seat 6 and body track is 8 to realize by above-mentioned inserting, by selecting suitable material, for example aluminum alloy is made and is inserted 8, can make piston obtain to join pair with the good friction of body track.
The fixing of the bizet 7 of above-mentioned single action piston and piston seat 6 can further be strengthened as required, for example, on the load-carrying surface that both cooperatively interact set screw etc. is set.
In addition, above-mentioned single action piston adopts the counterweight bar and the mode that combines of inserting realizes balance to bizet weight, in fact, can only use counterweight bar or balancing weight to realize balance, and counterweight bar or balancing weight and piston seat can make split, adopt linkage structure to connect as one.Promptly adopt counterweight bar or balancing weight in the present embodiment, adopt again and insert, described counterweight bar or balancing weight can provide the weight of balance bizet, and described main effect of inserting is for providing the less friction of frictional force to join pair between piston and the body track, also playing accurate adjustment counterweight simultaneously.In some cases, not getting rid of inserts is not wrapped in the piston seat outside, at this moment, inserts and only plays the effect of the weight of regulating counterweight.
Use above-mentioned single action piston, can form piston set, be used for internal-combustion engine or compressor with it with an aforesaid integrated type or knockdown two-way ram.Internal-combustion engine of Gou Chenging or compressor have the bizet of three work like this, are equivalent to three cylinder machines of ordinary internal combustion engine or compressor.Because the two ends weight balancing of wherein single action piston, so this piston set can not have a negative impact to the dynamic balancing of complete machine, efficiently solves and uses two-way ram and single action piston to form the problem that three cylinder machines exist under the prior art.
In the foregoing description, single action piston adopts built-up piston, in fact, can also adopt one-piece piston of the prior art, at this moment, an end that bizet is not set at single action piston is provided with the counterweight bar or the balancing weight of approrpiate wts, just this single action piston can be cooperated with two-way ram to form a piston set that is used for three cylinder machines.
Although the foregoing description is an example with three cylinder machines, in fact, this piston set can also be used to form other multi-cylinder engine, especially the multi-cylinder engine that has the single cylinder number, for example, with two two-way rams and one band counterweight piston together, form five cylinder machines, the weight of this band counterweight piston can equal two two-way ram sums and its track vertical with the track of two two-way rams.Need suitably arrange the position of its counterweight, make the piston center of gravity drop on position of centre of gravity this moment.
Except above-mentioned embodiment, also can use two band counterweight single action pistons and a two-way ram to cooperate and form four-cylinder based on the consideration of various complicated factors in the actual design.In a word, adopt after the above-mentioned band counterweight single action piston, can effectively promote the internal-combustion engine of circular slider-crank mechanism form or the flexibility on the compressor design.
The single action piston that provides in the foregoing description, the dynamic balance slide block that in fact also can be used as the piston form uses.These single action pistons increase the later weight of counterweight and should determine according to the demand that cooperates with other piston.
Above-mentioned piston is used for the piston of internal-combustion engine or compressor or the dynamic balance slide block of piston form, can obtains to use the embodiment of the internal-combustion engine or the compressor of above-mentioned piston.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. single action piston that is used for circular slider-crank mechanism, it is characterized in that, this single action piston comprises the bizet that an end of piston seat and this single action piston is provided with, suitable position at described piston seat is provided with balance weight body, this balance weight body increases the quality of this single action piston, so that the quality of this single action piston and another piston that this single action piston is used that neutralizes at circular slider-crank mechanism is complementary, the position that is provided with of this balance weight body makes this single action piston center of gravity drop on the desired position simultaneously.
2. the single action piston that is used for circular slider-crank mechanism according to claim 1 is characterized in that, the described relatively bizet of the balance weight body of described single action piston is arranged on the other end of this single action piston.
3. the single action piston that is used for circular slider-crank mechanism according to claim 1, it is characterized in that, the balance weight body of described single action piston specifically is counterweight bar or the balancing weight that connects as one with this single action piston piston seat one or split but by linkage structure.
4. the single action piston that is used for circular slider-crank mechanism according to claim 3, it is characterized in that, this single action piston is a built-up piston, this single action piston comprises piston seat and bizet, described piston seat is a quadrant, be provided with circular slider accommodation hole perpendicular to the quadrant surface on this piston seat, one of this quadrant is provided with fitting surface and the linkage structure that cooperates with bizet, and the other end is provided with described counterweight bar or balancing weight; Described bizet is the cylinder of lower surface opening, and its upper surface is a piston head, and the piston head bottom is provided with the fitting surface that cooperates with described piston seat, and and the piston seat connection structure connecting; By the above-mentioned linkage structure that is separately positioned on bizet and the piston seat, use link that bizet and piston seat are connected as one, its fitting surface is fitted mutually.
5. the single action piston that is used for circular slider-crank mechanism according to claim 3 is characterized in that, on the balance weight body of described single action piston, is fixed with by link and inserts.
6. the single action piston that is used for circular slider-crank mechanism according to claim 5, it is characterized in that, this single action piston is a built-up piston, this single action piston comprises piston seat and bizet, described piston seat is a quadrant, be provided with circular slider accommodation hole perpendicular to the quadrant surface on it, one of this quadrant is provided with fitting surface and the linkage structure that cooperates with bizet, and the other end is provided with and the described linkage structure of inserting and cooperating; Described bizet is the cylinder of lower surface opening, and its upper surface is a piston head, and the piston head bottom is provided with the fitting surface that cooperates with described piston seat, and and the piston seat connection structure connecting; By the above-mentioned corresponding linkage structure that is separately positioned on bizet and the piston seat, use link that bizet and piston seat are connected as one; Described inserting is provided with the linkage structure that cooperates with piston seat, by be separately positioned on insert and piston seat on the linkage structure of mutual correspondence, use link describedly to insert and piston seat connects as one.
7. the single action piston that is used for circular slider-crank mechanism according to claim 6 is characterized in that, described inserting is wrapped in the outside of described piston seat, plays to change the effect that pair is joined in friction.
8. an internal-combustion engine is characterized in that, the piston of this internal-combustion engine or dynamic balance slide block use each described single action piston that is used for circular slider-crank mechanism of at least one claim 1-7.
9. a compressor is characterized in that, the piston of this compressor or dynamic balance slide block use any described single action piston that is used for circular slider-crank mechanism of at least one claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100871872A CN101655152B (en) | 2009-06-10 | 2009-06-10 | Single action piston for crank round sliding block mechanism as well as internal-combustion engine and compressor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100871872A CN101655152B (en) | 2009-06-10 | 2009-06-10 | Single action piston for crank round sliding block mechanism as well as internal-combustion engine and compressor thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101655152A CN101655152A (en) | 2010-02-24 |
| CN101655152B true CN101655152B (en) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100871872A Expired - Fee Related CN101655152B (en) | 2009-06-10 | 2009-06-10 | Single action piston for crank round sliding block mechanism as well as internal-combustion engine and compressor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101655152B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204260U (en) * | 1985-10-08 | 1987-11-07 | 福州动力机厂 | Damper of high-speed single-cylinder diesel engine |
| DE3933103A1 (en) * | 1988-10-15 | 1990-04-19 | Volkswagen Ag | Connecting rod especially made of lightweight metal - has a detachable bearing cover on the outside of which is an equalising mass |
| GB2372781A (en) * | 2000-11-03 | 2002-09-04 | Bryan Nigel Victor Parsons | Balancing of rocking piston reciprocating machines |
| CN101333964A (en) * | 2008-08-06 | 2008-12-31 | 燕山大学 | Variable compression ratio reciprocating piston engine |
-
2009
- 2009-06-10 CN CN2009100871872A patent/CN101655152B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204260U (en) * | 1985-10-08 | 1987-11-07 | 福州动力机厂 | Damper of high-speed single-cylinder diesel engine |
| DE3933103A1 (en) * | 1988-10-15 | 1990-04-19 | Volkswagen Ag | Connecting rod especially made of lightweight metal - has a detachable bearing cover on the outside of which is an equalising mass |
| GB2372781A (en) * | 2000-11-03 | 2002-09-04 | Bryan Nigel Victor Parsons | Balancing of rocking piston reciprocating machines |
| CN101333964A (en) * | 2008-08-06 | 2008-12-31 | 燕山大学 | Variable compression ratio reciprocating piston engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101655152A (en) | 2010-02-24 |
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