CN202451818U - Piston seat, and piston, internal combustion engine and compressor comprising the same - Google Patents
Piston seat, and piston, internal combustion engine and compressor comprising the same Download PDFInfo
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- CN202451818U CN202451818U CN 201120498491 CN201120498491U CN202451818U CN 202451818 U CN202451818 U CN 202451818U CN 201120498491 CN201120498491 CN 201120498491 CN 201120498491 U CN201120498491 U CN 201120498491U CN 202451818 U CN202451818 U CN 202451818U
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- piston
- hole
- circular slider
- seat
- side plate
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Abstract
The utility model discloses a piston seat of a crank round slider mechanism. The piston seat comprises a main body, wherein a round hole penetrating through the thickness of the main body is arranged on the main body, and the round hole is a round slider containing hole; a piston pin hole connected with a piston crown is arranged on at least one end of the main body; guide side plates are arranged on both sides of the main body, and each guide side plate extends below the round slider containing hole from one end of the piston pin hole, wherein a width of a part of each guide side plate, which corresponds to the round slider containing hole, is greater than a width of the other part. According to the utility model, the guide side plates of the piston seat have different widths on different parts, on the premise of ensuring the strength and the rigidity, the quality of the piston seat is reduced, so that the reciprocating quality of the piston is reduced. The utility model further provides a piston, an internal combustion and a compressor of the crank round slider mechanism.
Description
Technical field
The utility model relates to piston, is specifically related to a kind of piston seat of circular slider-crank mechanism.The utility model also relates to the internal-combustion engine and the compressor of a kind of piston, circular slider-crank mechanism simultaneously.
Background technique
In traditional internal-combustion engine, convert the to-and-fro motion of piston into bent axle rotatablely move through connecting rod, and then by the corresponding moving element of this crank-driven, externally outputting power.And in traditional compressor, also have connecting rod, and convert rotatablely moving of bent axle the to-and-fro motion of piston into through this connecting rod, 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 to-and-fro motion and the switching mechanism that rotatablely moves wherein, has 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 be able to simplify, adopt the internal-combustion engine of this switching mechanism to descend, weight saving, and balance quality is good with respect to traditional internal-combustion engine volume.
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 said 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 said eccentric circular hole.Driving the smooth block that is arranged at wherein through piston moves reciprocatingly; And smooth block rotates in said piston simultaneously, and said 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 said eccentric circular hole and bent axle, thereby can realize the conversion that rotatablely moves that reciprocates to bent axle of piston.Certainly, also can rotatablely moving of bent axle be converted into the to-and-fro motion of piston through 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 piston seat; The two fixed or movable connection; Circular slider accommodation hole is arranged on the said piston seat; Piston seat is extended in the crankcase by cylinder portion always, and this makes the piston seat total quality increase to some extent, thereby has also increased the reciprocation mass of piston.And the piston of this structure makes when to-and-fro motion, need be born by piston seat the guiding and often the bearing of lateral force of piston, also just says that piston seat needs very high strength and stiffness.How under the prerequisite that guarantees piston integral rigidity and intensity, the quality that reduces piston seat is the problem that those skilled in the art have to face.
Summary of the invention
The utility model provides a kind of piston seat, to solve the above-mentioned problem of existing piston seat.The utility model also relates to the internal-combustion engine and the compressor of a kind of piston, circular slider-crank mechanism simultaneously.
The utility model provides a kind of piston seat of circular slider-crank mechanism, comprises body, and said body is provided with the circular hole that runs through its thickness, is called circular slider accommodation hole; At least one end at said body is provided with the piston pin hole that is connected usefulness with piston crown; Be provided with the guiding side plate in the both sides of said body, each guiding side plate extends to below the circular slider accommodation hole by the end that piston pin hole is set; Wherein, each guiding side plate corresponding to the width of the part of circular slider accommodation hole greater than its remaining part width.
Optional, between said guiding side end and piston seat body, be provided with stiffening rib.
Optional, each guiding side plate length is enough to make this piston seat in internal-combustion engine or compressor block when to-and-fro motion to top dead center and lower dead center, and the support of body is all born at two end part.
The utility model also provides a kind of piston, comprising: bizet, piston seat and wrist pin; Side relative with the top of said bizet is provided with the piston pin boss hole;
Said piston seat comprises body, and said body is provided with the circular hole that runs through its thickness direction, is called circular slider accommodation hole; At least one end at said body is provided with the piston pin hole that is connected usefulness with piston crown; Be provided with the guiding side plate in the both sides of said body, each guiding side plate extends to below the circular slider accommodation hole by piston seat piston pin hole one end; Wherein, each guiding side plate corresponding to the width of the part of circular slider accommodation hole greater than its remaining part width.
During assembling, said wrist pin inserts in said piston pin boss hole and the piston pin hole, and said bizet and piston seat fixedly are assembled into one.
Optional, said bizet is provided with the piston skirt, and said piston pin boss hole is arranged on the said piston skirt.
The utility model also provides a kind of internal-combustion engine of circular slider-crank mechanism, comprises above-mentioned arbitrary described piston.
The utility model also provides a kind of compressor of circular slider-crank mechanism, comprises above-mentioned arbitrary described piston.
Compared with prior art; The utlity model has following advantage: the piston seat of the utility model is provided with each guiding side plate corresponding to the width of the part of the circular slider accommodation hole width greater than its remaining part; Thereby the position in the piston seat lumbar region guarantees rigidity and intensity; And, make the whole quality of piston seat reduce, and then reduce the reciprocation mass of piston in the guiding side end or near the suitable loss of weight in the zone of end.
Description of drawings
Fig. 1 is embodiment's one of the schematic representation of the piston seat of the utility model;
Fig. 2 be the utility model piston seat embodiment schematic representation two;
Fig. 3 is the schematic representation of piston crown among the embodiment of piston of the utility model;
Fig. 4 is the schematic representation of wrist pin among the embodiment of piston of the utility model.
Embodiment
A lot of details have been set forth in the following description so that make much of 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 does not receive the restriction of following disclosed practical implementation.
Fig. 1 is embodiment's one of the schematic representation of the piston seat of the utility model; Fig. 2 be the utility model piston seat embodiment schematic representation two.Shown in said Fig. 1 and Fig. 2 is the piston seat that is applied to single action piston, and promptly this piston seat only in its an end assembling piston crown, constitutes single action piston.Should be appreciated that the piston seat in the utility model also can be applied to two-way ram, the structure that bizet is installed promptly all is set at the two end part of piston seat.Present embodiment only is provided with the piston seat that the structure that bizet is installed is explained the utility model as an example with an end of piston seat, and the other end of piston seat also can be provided with the same or analogous mode structure with the embodiment of the utility model.
Please referring to Fig. 1 and Fig. 2, the body of piston seat 2 is provided with the circular hole that runs through its thickness in the present embodiment, is called circular slider accommodation hole 2-2.Be provided with in one of them end of body to be connected and use piston pin hole 2-1 with piston crown.Be provided with guiding side plate 2-4 in said body both sides, and each guiding side plate 2-4 extends to below the circular slider accommodation hole 2-2 by the end that piston pin hole 2-1 is set.The length of side plate 2-4 of also promptly leading is not less than the diameter of circular slider accommodation hole 2-2 at least.Form the structure of two guiding side plate 2-4 by the sandwich circular slider accommodation hole.
The arranged outside of guiding side plate 2-4 is a guide surface, and guide surface can be set to plane or cylinder, and this depends on the structure of the guide rail on the body (internal-combustion engine or compressor block) that matches with the piston seat guide portion.In the present embodiment; Guiding side plate 2-4 extend to below the circular slider accommodation hole 2-2 (below be for the active chamber of internal-combustion engine or compressor; End away from active chamber is " following " described in this paper); Mean that piston seat extends in the crankcase even below the crankcase, below the crank spindle center line, still can guiding be provided to piston, this also is different from the internal-combustion engine of traditional connecting rod or the piston in the compressor.
The enough length that must have of piston seat guiding side plate 2-4 satisfies the requirement of guiding, is particularly constituting V-type or T type twin-tub machine when (comprising internal-combustion engine and compressor), on the body for to avoid the interference of component that a plurality of spaces of dodging can be set; These dodge the space unavoidably can make the reciprocating part guide rail of reciprocating part (comprising piston) spatially isolated; This makes piston when to-and-fro motion, and the guide surface of guiding side plate can not all contact with guide rail, at this moment; Just need make the guiding side plate of piston seat that enough length is arranged; Make piston when moving to top dead center and lower dead center, the support that body all can be born in the two end part of guiding side plate, this not only can guarantee the strict guiding of piston; When separated type runway (part of guide rail) is set, also can alleviate the stressed of this separated type runway on body.The increase of guiding side plate 2-4 length also means the increase of the reciprocation mass of the piston that is made up of this piston seat 2, and the increase of reciprocation mass for the machine of crank round slider, means the bigger increase of quality of system.For this reason; In the present embodiment; Each guiding side plate 2-4 is set corresponding to the width of the part 2-4b (being the zone at the circular slider accommodation hole 2-2 outside and guiding side plate 2-4 middle part) of circular slider accommodation hole 2-2 width, thereby guarantees rigidity and intensity in the position of piston seat lumbar region greater than its remaining part 2-4a, and in guiding side plate 2-4 end or near the suitable loss of weight in the zone of end; Make the whole quality of piston seat reduce, and then reduce the reciprocation mass of piston.In addition, for avoiding leading side plate 2-4 end owing to width reduces to make intensity reduction (when particularly this end is free end), can stiffening rib 2-7 between guiding side plate 2-4 end and body.
Please further referring to Fig. 1 and Fig. 2, the circular slider accommodation hole 2-2 on the body is used for the smooth block of ccontaining circular slider-crank mechanism.When being applied to single-cylinder engine, can also be provided with gear ring in the side of the circular slider accommodation hole 2-2 of piston seat, to overcome the problem of the point of living in the circular slider-crank mechanism.For multi-round slide mechanism, can overcome each other when living the some problem, on the piston seat this gear ring can be set.
On said guiding side plate 2-4, also be provided with oil groove 2-5, oilhole 2-6 is communicated with this oil groove 2-5 and circular slider accommodation hole 2-2.
Said piston pin hole 2-1 is used for ccontaining wrist pin shown in Figure 43, treats that wrist pin 3 inserts after the said piston pin hole 2-1, can transition fit between the two.Certainly, assemble between the latter two and also can relatively rotate.Between said wrist pin 3 and piston pin hole 2-1, also can assemble lining.
In addition, structure in other district can also be set, to alleviate the reciprocation mass of piston seat on said piston seat 2.Here no longer launch to discuss.
The utility model also provides a kind of piston, the described piston seat 2 of these piston applications the above embodiments, and also comprise bizet shown in Figure 31 and wrist pin shown in Figure 4.
As shown in Figure 3, be provided with annular groove 1-4 at bizet 1 at periphery wall.Said 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.Said bizet 1 is provided with piston skirt 1-2.Said piston skirt 1-2 is provided with two relative through hole 1-1, is called piston pin boss hole 1-1.Wherein, said piston pin boss hole 1-1 is used for ccontaining wrist pin.Said piston pin boss hole 1-1 position on said 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.
In addition, be to improve the intensity of piston skirt, to a relative side certain extension is arranged at the periphery of said two-piston key seat hole 1-1, to increase the area of contact of piston pin boss hole 1-1 and wrist pin.
As shown in Figure 4, wrist pin is a hollow cylinder, and its axial length generally is less than the diameter at the top of said bizet, along said wrist pin 3 axially have a through hole 3-1, to alleviate the quality of wrist pin 3.Said wrist pin 3 generally forms with the higher material manufacture of hardness.
During assembling; The end that is provided with piston pin hole 2-1 of said piston seat 2 is inserted between two piston pin boss hole 1-1 of bizet 1; And make piston pin hole 2-1 and said 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 said bizet pin-and-hole 1-1 the anti-device of scurrying out can also be set, for example back-up ring is used in the hole, plug etc.Certainly, other structure can also be set on piston, for example the firing chamber be set at the bizet top, all in circular slider accommodation hole along stiffening rib etc. is set, give unnecessary details no longer one by one here.
In the above embodiments, piston comprises piston seat and bizet, and the two can be assembled into one through 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 the embodiment's of the 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, piston seat guiding side plate under the prerequisite of proof strength and rigidity, can reduce the quality of piston seat, thereby reduce the reciprocation mass of piston through in different piece different widths being set.
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.Internal-combustion engine of the utility model or the piston simplified manufacturing process in 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 in spirit that does not break away from the utility model and scope; Can make possible change and modification, so the protection domain of the utility model should be as the criterion with the scope that the utility model claim is defined.
Claims (7)
1. the piston seat of a circular slider-crank mechanism is characterized in that, comprises body, and said body is provided with the circular hole that runs through its thickness, is called circular slider accommodation hole; At least one end at said body is provided with the piston pin hole that is connected usefulness with piston crown; Be provided with the guiding side plate in the both sides of said body, each guiding side plate extends to below the circular slider accommodation hole by the end that piston pin hole is set; Wherein, each guiding side plate corresponding to the width of the part of circular slider accommodation hole greater than its remaining part width.
2. the piston seat of circular slider-crank mechanism according to claim 1 is characterized in that, between said guiding side end and piston seat body, is provided with stiffening rib.
3. the piston seat of circular slider-crank mechanism according to claim 1 is characterized in that, each guiding side plate length is enough to make this piston seat in internal-combustion engine or compressor block when to-and-fro motion to top dead center and lower dead center, and the support of body is all born at two end part.
4. a piston is characterized in that comprising: bizet, piston seat and wrist pin; Side relative with the top of said bizet is provided with the piston pin boss hole;
Said piston seat comprises body, and said body is provided with the circular hole that runs through its thickness direction, is called circular slider accommodation hole; At least one end at said body is provided with the piston pin hole that is connected usefulness with piston crown; Be provided with the guiding side plate in the both sides of said body, each guiding side plate extends to below the circular slider accommodation hole by piston seat piston pin hole one end; Wherein, each guiding side plate corresponding to the width of the part of circular slider accommodation hole greater than its remaining part width;
During assembling, said wrist pin inserts in said piston pin boss hole and the piston pin hole, and said bizet and piston seat fixedly are assembled into one.
5. piston as claimed in claim 4 is characterized in that: said bizet is provided with the piston skirt, and said piston pin boss hole is arranged on the said piston skirt.
6. the internal-combustion engine of a circular slider-crank mechanism is characterized in that: comprise claim 4 or the described piston of 5 arbitrary claims.
7. the compressor of a circular slider-crank mechanism is characterized in that: comprise claim 4 or the described piston of 5 arbitrary claims.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120498491 CN202451818U (en) | 2011-12-02 | 2011-12-02 | Piston seat, and piston, internal combustion engine and compressor comprising the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120498491 CN202451818U (en) | 2011-12-02 | 2011-12-02 | Piston seat, and piston, internal combustion engine and compressor comprising the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451818U true CN202451818U (en) | 2012-09-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120498491 Expired - Lifetime CN202451818U (en) | 2011-12-02 | 2011-12-02 | Piston seat, and piston, internal combustion engine and compressor comprising the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451818U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894289A (en) * | 2021-03-11 | 2021-06-04 | 重庆互久机械制造有限责任公司 | Processing technology of rifle piston seat |
-
2011
- 2011-12-02 CN CN 201120498491 patent/CN202451818U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894289A (en) * | 2021-03-11 | 2021-06-04 | 重庆互久机械制造有限责任公司 | Processing technology of rifle piston seat |
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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: 20120926 |
|
| CX01 | Expiry of patent term |