CN201651278U - Piston of crank and round slider mechanism, and combustion engine and compressor employing crank and round slider mechanism - Google Patents
Piston of crank and round slider mechanism, and combustion engine and compressor employing crank and round slider mechanism Download PDFInfo
- Publication number
- CN201651278U CN201651278U CN2010201305964U CN201020130596U CN201651278U CN 201651278 U CN201651278 U CN 201651278U CN 2010201305964 U CN2010201305964 U CN 2010201305964U CN 201020130596 U CN201020130596 U CN 201020130596U CN 201651278 U CN201651278 U CN 201651278U
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- piston
- hole
- pin
- bizet
- circular slider
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Abstract
A piston of a crank and round slider mechanism at least comprises a crown part, a piston seat and a piston pin, wherein piston pin boss holes are formed on the side opposite to the top of the crown part, and a round slider accommodating hole and a piston pin hole are formed on the piston seat. During the assembly, the piston pin is inserted into the piston pin boss holes and the piston pin hole, so that the crown part and the piston seat can be fixedly assembled into a whole. The piston provided by the utility model is conveniently assembled; and materials for different parts of the piston can be selected according to different performance and manufacturing requirements, so as to achieve good universality. The utility model further provides a combustion engine and a compressor employing the crank and round slider mechanism.
Description
Technical field
The utility model relates to piston, is specifically related to a kind of piston of circular slider-crank 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, by connecting rod the to-and-fro motion of piston is converted to rotatablely moving of bent axle, and then by the corresponding moving element of this crank-driven, externally outputting power.And in traditional compressor, also have connecting rod, and by this connecting rod rotatablely moving of bent axle is converted to the to-and-fro motion of piston, compress by the air in this piston countercylinder.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.
The disclosed internal-combustion engine common feature of above-mentioned Chinese patent is in wherein to-and-fro motion and the switching mechanism that rotatablely moves, to have replaced connecting rod with smooth block, has replaced connecting rod with circular slider-crank mechanism.This make to-and-fro motion and rotatablely move between switching mechanism simplified, the internal-combustion engine that adopts this switching mechanism descends with respect to traditional internal-combustion engine volume, weight saving, and balance quality is good.
Concrete, in the movement conversion mechanism of circular slider-crank mechanism, the piston seat of piston is provided with circular slider accommodation hole, and smooth block is provided with eccentric circular 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 also can rotate in described eccentric circular hole.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.Certainly, also rotatablely moving of bent axle can be converted to the to-and-fro motion of piston by this circular slider-crank mechanism.
No matter be internal-combustion engine or compressor, piston all be to-and-fro motion with the conversion that rotatablely moves in important spare part, its performance to internal-combustion engine or compressor has direct influence.At present, internal-combustion engine and compressor have been widely used in aspect of social life, to need also being not quite similar in different fields of its performance.
Piston in the disclosed circular slider-crank mechanism of above-mentioned Chinese patent comprises bizet (or being called working part) and the piston seat of fixedlying connected with described bizet, and circular slider accommodation hole is arranged on the described piston seat.But described piston structure is comparatively single, and versatility is relatively poor.Thereby, be necessary the piston of above-mentioned disclosed circular slider-crank mechanism is improved.
The model utility content
The utility model provides a kind of piston of circular slider-crank mechanism, and piston in combination of the present utility model is convenient, can select piston each several part material according to different performance demand or manufacturing demand, and versatility is good.The utility model provides a kind of internal-combustion engine or compressor that should described piston in addition.
The utility model provides a kind of piston of circular slider-crank mechanism, comprises at least: bizet, piston seat and wrist pin; Be provided with the piston pin boss hole in a side relative with the top of described bizet; Described piston seat is provided with circular slider accommodation hole and piston pin hole; During assembling, described wrist pin inserts in described piston pin boss hole and the piston pin hole, and described bizet and piston seat fixedly are assembled into one.
Optionally, described bizet is provided with the piston skirt, and described piston pin boss hole is arranged on the described piston skirt.
Optionally, be provided with two relative boss in a side relative with the top of described bizet, described piston pin boss hole is arranged at respectively on the described boss.
Optionally, on described piston pin boss hole, also be provided with the anti-device of scurrying out of wrist pin.
Optionally, the anti-device of scurrying out of described wrist pin is the hole back-up ring, is provided with the inner groove that matches with back-up ring with described hole in described piston pin boss hole; When described wrist pin inserted described pin-and-hole, described hole was arranged in the described inner groove with back-up ring.
Optionally, the anti-device of scurrying out of described wrist pin is a plug.
The utility model also provides a kind of internal-combustion engine of circular slider-crank mechanism in addition, comprises the described piston of above-mentioned arbitrary technological scheme.
The utility model also provides a kind of compressor of circular slider-crank mechanism in addition, comprises the described piston of above-mentioned arbitrary technological scheme.
Compared with prior art, piston of the present utility model comprises piston seat and bizet, and the two can be assembled into one by wrist pin; Thereby can select the material of piston each several part as required, satisfying different needs, thereby improve versatility; In addition, the each several part of piston of the present utility model can be made respectively, then each several part is fitted together, and with respect to bizet and the integrally formed piston of piston seat, simplified manufacturing process, and combination is also very convenient, adapts to produce in batches.
Description of drawings
The schematic representation of the piston of the embodiment's of the present utility model circular slider-crank mechanism that provides is provided Fig. 1.
Fig. 2 is one of schematic representation of the bizet 1 among the embodiment of the present utility model;
Fig. 3 be the bizet 1 among the embodiment of the present utility model schematic representation two;
Fig. 4 is the schematic representation of the piston seat 2 among the embodiment in the utility model;
Fig. 5 is the schematic representation of embodiment's of the present utility model wrist pin.
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, and those skilled in the art can do similar popularization under the situation of the utility model intension, so the utility model is not subjected to the restriction of following public concrete enforcement.
The schematic representation of the piston of the embodiment's of the present utility model circular slider-crank mechanism that provides is provided Fig. 1.Wherein, illustrated in fig. 1 is single action piston, promptly only is equipped with bizet in one of them end of the piston seat of piston, should be appreciated that piston of the present utility model also can be a two-way ram, promptly also is equipped with bizet simultaneously in an other end of piston seat.Present embodiment only is equipped with the piston that bizet illustrates circular slider-crank mechanism of the present utility model as an example with an end of piston seat, other bizet also can be installed with the same or analogous mode of first embodiment of the present utility model in the other end of piston seat, forms two-way ram.
Please refer to Fig. 1, the piston in the present embodiment comprises bizet 1, piston seat 2 and wrist pin 3.Wherein, described piston seat 2 is provided with circular slider accommodation hole 2-2.One of them end at described piston seat 2 also is provided with piston pin hole.Described bizet 1 is provided with the piston pin boss hole.During assembling, the piston pin hole of described piston seat 2 and the piston pin boss hole of bizet 1 are aligned, wrist pin 3 is inserted in described piston pin hole and the piston pin boss hole, described bizet 1 and piston seat 2 fixedly are assembled into one.
Respectively assembly bizet 1, piston seat 2 and wrist pin 3 are described respectively below.
Fig. 2 is one of schematic representation of the bizet 1 among the embodiment of the present utility model, Fig. 3 be the bizet 1 among the embodiment of the present utility model schematic representation two.
Please refer to Fig. 2 and Fig. 3, the top of the bizet 1 in the present embodiment is provided with firing chamber 1-3, is provided with annular groove 1-4 at periphery wall.Wherein, described firing chamber 1-3 can be a different shape, also described firing chamber 1-3 can be set.Described annular groove 1-4 can be the compression ring annular groove, also can be oil ring groove, also a plurality of annular grooves can be set, and repeats no more here.
In the present embodiment, described bizet 1 also is provided with piston skirt 1-2.Described piston skirt 1-2 is provided with two relative through hole 1-1, is called piston pin boss hole 1-1.Wherein, described piston pin boss hole 1-1 is used for ccontaining wrist pin, and its size dimension is larger than the outer circumference diameter of wrist pin.Described piston pin boss hole 1-1 position on described piston skirt 1-2 can cooperate assembling to be provided with according to the size of its power of bearing and with piston seat 2, is not described in detail here.
In addition, be to improve the intensity of piston skirt, to a relative side certain extension is arranged at the periphery of described two-piston key seat hole 1-1, to increase the area of contact of piston pin boss hole 1-1 and wrist pin.
Fig. 4 is the schematic representation of the piston seat 2 among the embodiment in the utility model.
Please refer to Fig. 4, in the present embodiment, piston seat 2 is provided with circular slider accommodation hole 2-2, is used for the smooth block of ccontaining circular slider-crank mechanism, also is provided with gear ring 2-3 in the side of described circular slider accommodation hole 2-2.Wherein, described gear ring 2-3 is used for overcoming in single smooth block mechanism the problem of the point of living.In the time of overcoming alive some problem mutually for multi-round slide mechanism, on its piston this tooth figure can be set.In addition, described gear ring 2-3 also can replace with the tooth section of the lumbar region that is arranged at this piston seat 2.In addition,, can also strengthen, no longer describe in detail here its waist for improving the strength and stiffness of piston seat 2.
One of them end at described piston seat 2 is provided with piston pin hole 2-1, wherein, described piston pin hole 2-1 is used for ccontaining and passes described wrist pin 3, so its size can be bigger slightly than the outer circumference diameter of wrist pin, treat that wrist pin 3 inserts after the described piston pin hole 2-1, can transition fit between the two.Certainly, assemble between the latter two and also can relatively rotate.Between described wrist pin 3 and piston pin hole 2-1, also can assemble lining.
In addition, on described piston seat 2, a plurality of repeated holes that go can also be set, for example, in the present embodiment, between piston pin hole 2-1 and circular slider accommodation hole 2-2, be provided with two and remove repeated hole, end relative with piston pin hole 2-1 at circular slider accommodation hole 2-2 also is provided with two and removes repeated hole.Repeated hole is removed in setting, can alleviate the quality of piston seat 2, and then alleviates the reciprocation mass of piston integral body.
Fig. 5 is the schematic representation of embodiment's of the present utility model wrist pin, please refer to Fig. 5, in the present embodiment, wrist pin is a hollow cylinder, its axial length generally is less than the diameter at the top of described bizet, along described wrist pin 3 axially have a through hole 3-1, to alleviate the quality of wrist pin 3.Described wrist pin 3 generally forms with the higher made of hardness.
During assembling, the end that is provided with piston pin hole 2-1 of described piston seat 2 is inserted between two piston pin boss hole 1-1 of bizet 1, and make piston pin hole 2-1 and described piston pin boss hole 1-1 align, among wrist pin 3 described piston pin hole 2-1 of insertion and piston pin boss hole 1-1, thereby piston seat 2 and bizet 1 are connected as one.
For avoiding wrist pin 3 by scurrying out among described piston pin hole 2-1 and the piston pin boss hole 1-1, in the position of wrist pin 3 ends of described bizet pin-and-hole 1-1 the anti-device of scurrying out is set, hole back-up ring for example, plug etc.When the hole being set using back-up ring, in described piston pin boss hole 1-1, be provided with the inner groove that matches with back-up ring with described hole; When described wrist pin inserted described pin-and-hole, described hole was arranged in the described inner groove with back-up ring.
In the above embodiments, piston comprises piston seat and bizet, and the two can be assembled into one by wrist pin.Thereby can select the material of piston each several part as required, satisfying different needs, thereby improve versatility.In addition, the each several part of embodiment's of the present utility model piston can be made respectively, then each several part is fitted together, and with respect to bizet and the integrally formed piston of piston seat, simplified manufacturing process, and combination is also very convenient, adapts to produce in batches.And because piston seat is the separate type that wrist pin is connected with bizet, under situation about being fit to, the piston crown in the foregoing description also can be used the bizet of the piston of connecting rod.
In addition, on bizet 1, also piston skirt 1-2 can be set.At this moment, can two boss be set in a side relative with the top of bizet 1, piston pin boss hole 1-1 is arranged on described two boss, and make two piston pin boss hole 1-1 relative, during assembling, the end of piston seat 2 is inserted between two boss, make the piston pin boss hole relative with piston pin hole, the wrist pin insertion is got final product, repeat no more here.Need to prove, when on bizet 1, the piston skirt not being set, need independent guide portion be set on piston seat 2, so that piston is led.
In addition, in the end relative of piston seat 2 other piston pin hole can also be set, and assemble other bizet, form double-acting piston, repeat no more here in the mode identical with the foregoing description of the present utility model with piston pin hole 2-1.
In addition, the piston described in the foregoing description can be applied to also can be applied in the compressor of circular slider-crank mechanism in the internal-combustion engine of circular slider-crank mechanism.Piston simplified manufacturing process in internal-combustion engine of the present utility model or the compressor, and combination is also very convenient, adapts to produce in batches.
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 (8)
1. the piston of a circular slider-crank mechanism is characterized in that comprising at least: bizet, piston seat and wrist pin; Be provided with the piston pin boss hole in a side relative with the top of described bizet; Described piston seat is provided with circular slider accommodation hole and piston pin hole; During assembling, described wrist pin inserts in described piston pin boss hole and the piston pin hole, and described bizet and piston seat fixedly are assembled into one.
2. the piston of circular slider-crank mechanism as claimed in claim 1, it is characterized in that: described bizet is provided with the piston skirt, and described piston pin boss hole is arranged on the described piston skirt.
3. the piston of circular slider-crank mechanism as claimed in claim 1, it is characterized in that: be provided with two relative boss in a side relative with the top of described bizet, described piston pin boss hole is arranged at respectively on the described boss.
4. as the piston of the described circular slider-crank mechanism of the arbitrary claim of claim 1 to 3, it is characterized in that: on described piston pin boss hole, also be provided with the anti-device of scurrying out of wrist pin.
5. the piston of circular slider-crank mechanism as claimed in claim 4 is characterized in that: the anti-device of scurrying out of described wrist pin is the hole back-up ring, is provided with the inner groove that matches with back-up ring with described hole in described piston pin boss hole; When described wrist pin inserted described pin-and-hole, described hole was arranged in the described inner groove with back-up ring.
6. the piston of circular slider-crank mechanism as claimed in claim 4 is characterized in that: the anti-device of scurrying out of described wrist pin is a plug.
7. the internal-combustion engine of a circular slider-crank mechanism is characterized in that: comprise the described piston of the arbitrary claim of claim 1 to 6.
8. the compressor of a circular slider-crank mechanism is characterized in that: comprise the described piston of the arbitrary claim of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201305964U CN201651278U (en) | 2010-03-12 | 2010-03-12 | Piston of crank and round slider mechanism, and combustion engine and compressor employing crank and round slider mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201305964U CN201651278U (en) | 2010-03-12 | 2010-03-12 | Piston of crank and round slider mechanism, and combustion engine and compressor employing crank and round slider mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651278U true CN201651278U (en) | 2010-11-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201305964U Expired - Lifetime CN201651278U (en) | 2010-03-12 | 2010-03-12 | Piston of crank and round slider mechanism, and combustion engine and compressor employing crank and round slider mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464833A (en) * | 2015-12-30 | 2016-04-06 | 广西玉柴机器股份有限公司 | Combustion chamber of diesel engine |
-
2010
- 2010-03-12 CN CN2010201305964U patent/CN201651278U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464833A (en) * | 2015-12-30 | 2016-04-06 | 广西玉柴机器股份有限公司 | Combustion chamber of diesel engine |
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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: 20101124 |
|
| CX01 | Expiry of patent term | ||
| DD01 | Delivery of document by public notice |
Addressee: BEIJING SINOCEP ENGINE TECHNOLOGY Co.,Ltd. Document name: Notification of Expiration of Patent Right Duration |
|
| DD01 | Delivery of document by public notice |