CN202132368U - Crankshaft, crank, crank throw of crank round slider mechanism, internal combustion engine and compression engine - Google Patents
Crankshaft, crank, crank throw of crank round slider mechanism, internal combustion engine and compression engine Download PDFInfo
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- CN202132368U CN202132368U CN201120188572U CN201120188572U CN202132368U CN 202132368 U CN202132368 U CN 202132368U CN 201120188572 U CN201120188572 U CN 201120188572U CN 201120188572 U CN201120188572 U CN 201120188572U CN 202132368 U CN202132368 U CN 202132368U
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- crank
- bent axle
- eccentric
- throw
- main journal
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Abstract
The utility model discloses a crankshaft of a crank round slider mechanism. The crankshaft comprises a left crank throw, a middle crank and a right crank throw, wherein the left crank throw and the right crank throw are both single crank throws with a main journal and a crank pin, and the deviation distance between the crank pin and the axis of the main journal is e in both the two single crank throws; an eccentric hole is arranged at each of the two ends of the middle crank, the phase difference of the two eccentric hole is 180 degrees, and the eccentricity of each of the two eccentric holes is e; free ends of the crank pins of the left crank throw and the right crank throw are respectively inserted into the two eccentric holes from the left end and the right end of the middle crank and are integrated with the middle crank; and the axes of the main journals of the left crank throw and the right crank throw are collinear. The crankshaft can be used in the crank round slider mechanism to form an in-line two-cylinder machine. The utility model also relates to a crank and a crank throw of a crank round slider mechanism as well as an internal combustion engine and a compression engine.
Description
Technical field
The utility model relates to bent axle, is specifically related to a kind of bent axle of crank round slider movement conversion 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, 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, by this piston the air in the cylinder is compressed.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.
Disclosed internal-combustion engine of above-mentioned Chinese patent and compressor common feature are in to-and-fro motion and the switching mechanism that rotatablely moves wherein, have replaced connecting rod with smooth block, have replaced connecting rod with circular slider-crank mechanism.Said smooth block is provided with eccentric circular hole.The piston seat of piston is provided with circular slider accommodation 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 can rotate in said eccentric circular hole.
During work; For internal-combustion engine; Combustion gas in the firing chamber expand and promote piston motion; Drive the smooth block be arranged at wherein through piston and move reciprocatingly, and smooth block rotates in said piston simultaneously, 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.The applied in reverse of said process can constitute compressor.
In the internal-combustion engine or compressor of above-mentioned circular slider-crank mechanism; Because the particularity of circular slider-crank mechanism wherein; In two cylinders or multi-cylinder engine, through on a crank pin of bent axle, two or more smooth blocks will being set, and between each smooth block fixing phase angle to be arranged.Thereby, be difficult to as conventional connecting rod, arrange as required freely the crank throw angle, be the array two cylinder machines of 180 degree to realize the crank throw angle.
The model utility content
The utility model provides a kind of bent axle of circular slider-crank mechanism, and this bent axle can be applicable in the machine of circular slider-crank mechanism, constitutes two cylinder machines in upright arrangement.The utility model provides internal-combustion engine and the compressor of using this bent axle in addition.
The bent axle of a kind of circular slider-crank mechanism that the utility model provides, comprise turn left, center crank and turning right; Wherein, said turn left and turn right to be comprise singly turning of main journal and crank pin, and two singly turn in the crank pin distance that departs from the main journal axis equate, be e; The two ends of said center crank are respectively arranged with an eccentric opening, and the throw of eccentric that two eccentric opening phase differences are 180 degree and two eccentric openings is e; The free end of the said crank pin of turning left and turning right is inserted respectively in two eccentric openings by the right ends of center crank, and fastens as one with center crank; The said main journal axis of turning left and turning right is located along the same line.
Optional, said center crank is oblate cylinder, two eccentric opening edges protrude outside the oblate cylinder end face.
Optional, said center crank is provided with repeated hole.
Optional, said turning left is to be provided with the spline housing structure in the end away from crank pin of said main journal of turning left by the clutch end of internal-combustion engine.
Optional, said turning right to the non-clutch end of internal-combustion engine is provided with the auxiliary power output shaft in the outer end of its main journal, and this auxiliary power output shaft is provided with keyway.
The utility model also provides a kind of crank; Be applied in the bent axle of above-mentioned circular slider-crank mechanism as center crank; This crank is oblate cylinder, and the two ends of said crank are respectively arranged with an eccentric opening, and the throw of eccentric that two eccentric opening phase differences are 180 degree and two eccentric openings is e; This eccentric opening is used for when forming bent axle with crank throw, ccontaining crank pin end.
The utility model also provides a kind of crank throw, and this crank throw is for singly turning, and comprises main journal and by the main journal outward extending crank pin in an end wherein, the axis of said crank pin and main journal parallel axes, and distance is e; The end away from crank pin at said main journal is provided with spline housing.
The utility model also provides a kind of internal-combustion engine, uses above-mentioned arbitrary described bent axle.
The utility model also provides a kind of compressor, uses above-mentioned arbitrary described bent axle.
Compared with prior art, the utlity model has following advantage: the bent axle of the utility model, turn three supporting structures for having two of two crank pins, two crank pin phase differences are 180 degree, can be applicable in the internal-combustion engine or compressor of two cylinders in upright arrangement; And this bent axle is a split-type structural, and the smooth block that can be convenient to integral type is inserted in the crank pin, makes that the dismounting of internal-combustion engine or compressor and the assembling of circular slider-crank mechanism in upright arrangement are more convenient, is convenient to maintenance; In addition, the bent axle of this bent axle and traditional connecting rod has good inheritance, and when manufacturing, the production line of existing connecting rod bent axle capable of using is transformed a little and carried out, thereby helps reducing manufacture cost.
Description of drawings
Fig. 1 is the structural representation for the embodiment of the bent axle of the circular slider-crank mechanism of the utility model;
Fig. 2 is the schematic representation of the center crank in the bent axle shown in Figure 1;
Fig. 3 and Fig. 4 are respectively the schematic representation of turning left and turning right of bent axle shown in Figure 1;
Fig. 5 is the sectional view of turning right of bent axle shown in Figure 1.
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.
Describe below in conjunction with the bent axle of accompanying drawing the circular slider-crank mechanism of the utility model.
Fig. 1 is embodiment's the schematic representation of bent axle of the circular slider-crank mechanism of the utility model.
Please refer to Fig. 1, in the present embodiment, bent axle comprise turn left 1, center crank 2 and turn right 3.Wherein, said turning left 13 is and comprises singly turning of main journal and crank pin with turning right.Said turn left 1 with turn right 3 be arranged at said center crank 2 respectively both sides, and fasten as one through crank pin and center crank 2 separately.The two crank pin phase places that singly turn are 180 degree and are provided with, and the two main journal axis that singly turn and the axis of center crank 2 all be located along the same line, and constitute two turning three and support bent axles of accomplishing.
Below respectively to above-mentioned turn left 1, turn right 3 and center crank 2 structure and the assembly relation between them, fit separately be described in detail.
Fig. 3 is for turning left 1 structural representation among the embodiment of the utility model.As shown in Figure 3, turning left 1 is one singly to turn, and comprises the first main journal 1-1 and the first crank pin 1-2.The said first main journal 1-1 and the first crank pin 1-2 are the shaft part of cylindrical shape; The first main journal 1-1 cooperates with second main journal on following the turning right, is used to support whole bent axle, and when bent axle was applied to internal-combustion engine or compressor, these two main journals need place the front and back bearings of equipment body.
The said first crank pin 1-2 and the first main journal 1-1 are integrally formed, and axis one segment distance of the axis runout first main journal 1-1 of the first crank pin 1-2 is protruding by the end of the first main journal 1-1.The parallel axes of the two, distance is e, this is the throw of eccentric of the eccentric circular hole of forming the smooth block in the circular slider-crank mechanism apart from e.The degree of overlapping of the end cross-sectional that the first crank pin 1-2 is connected with the first main journal 1-1 can be 100%, the two end cross-sectional certain distance that also can stagger each other.When forming circular slider-crank mechanism, in the eccentric circular hole of the rotatable insertion smooth block of this first crank pin 1-2, so the radial dimension of the first crank pin 1-2 needs to match with the smooth block eccentric circular hole, axial length is enough to pass a smooth block.In addition, the free end of its first crank pin 1-2 also needs to fasten as one with center crank 2.
In the present embodiment, saidly turn left 1 when forming I. C. engine crankshaft, be non-clutch end, so should need assemble by end such as accessories such as flywheel, belt pulley, gears.In the outside of this first main journal 1-1 (but promptly away from the side of the first crank pin 1-1 also one outwards be provided with a shaft part, can assemble above-mentioned accessory on this shaft part, can be described as auxiliary axis.For ease of assembling, on this auxiliary axis, keyway 1-4 can be set, accessory can be connected on this auxiliary axis with the key Placement.Certainly, this auxiliary axis is not limited to be wholely set with the first main journal 1-1, also can be connected as a single entity through fastening pieces such as bolts for dismantled and assembled separate type between the two, no longer launches here to discuss.
Said turning left other structure can also be set on 1, as shown in Figure 3, in the first crank pin 1-2, be provided with oil leab 1-3 vertically, radially also be provided with the oilhole (indicating) that is communicated with the oil leab 1-3 and the first crank pin 1-2 periphery.In addition, on this is turned left, can also be provided with, enumerate no longer one by one here such as balancing weight isoequilibrium structure.
Please refer to Fig. 4; In the present embodiment; All are turned right 3 also is one singly to turn, and turn left 1 structural similarity of its structure and shown in Figure 3 comprises the second main journal 3-1 and the second crank pin 3-2; This second crank pin 3-2 and second main journal 3-1 shape, structure and interconnected relationship and above-mentioned separately turned left 1 can be identical, and role is also identical.Oil duct 3-4 and oilhole 3-5 also are set on the second crank pin 3-2, as shown in Figure 5.Different is, turns right 3 when forming I. C. engine crankshaft, is applied to clutch end, in the outside of the second main journal 3-1 power output interface structure need be set.In the present embodiment, this power output interface is set to spline housing 3-3, the subdivision structure of Fig. 4 as shown in Figure 5, and this spline housing 3-3 can insert the splined shaft that drives exterior mechanical, can be with the power output of internal-combustion engine.Certainly, when 3 bent axles formed of turning right were applied to compressor, turning right 3 was power intake, through spline housing 3-3 and the splined shaft that cooperates with it, power is inputed to compressor, drives the bent axle rotation.
Shown in Fig. 2 for will be above-mentioned turning left 1 and 3 center cranks 2 that are connected as a single entity of turning right.Center crank 2 not only play connect said turn left 1 with turn right 3 effect, after forming bent axle, this center crank 2 carries out extra support also as intermediate support to bent axle
Please refer to Fig. 2; In the present embodiment; Said center crank 2 is oblate column structure, is respectively arranged with an eccentric opening at the two ends of this center crank 2: the throw of eccentric that the first eccentric opening 2-1 and the second eccentric opening 2-2, two eccentric opening phase differences are 180 degree and two eccentric openings is e.
With above-mentioned turn left 1 with turn right 3 when forming bent axles, the free end of 1 the first crank pin 1-2 of turning left is inserted among the said first eccentric opening 2-1, and fastens as one through fastening pieces such as bolts; The free end of 3 the second crank pin 3-2 of turning right is inserted among the described second eccentric opening 2-2, and fasten as one through fastening piece.Wherein, said axis of turning left 1 first main journal 1-1 and 3 the second main journal 3-1 of turning right is located along the same line, and this axis is the spin axis of the bent axle of composition, thereby constitutes complete bent axle.When forming circular slider-crank mechanism, said two crank pins can place the eccentric circular hole of different smooth blocks respectively, and bent axle and smooth block are coupled together.
The edge of described two eccentric circular holes can also be provided with the bump 2-3 outside the protrusion end face, and is as shown in Figure 2, to increase the area of contact of eccentric opening inboard and corresponding crank pin end, strengthens the reliability of the two connection.Can draw some oil groove 2-4 at the edge of said bump 2-3.
In the connecting of above-mentioned crank pin and center crank, the free end of said crank pin can be the awl end, and corresponding eccentric opening is a taper hole.On the conical surface of the two, two and half holes can be set, when group is one, constitute complete circular hole, position through locating stud as positioning hole.Relative side at eccentric opening insertion crank pin can be set to countersunk head, thereby be convenient to the head of ccontaining clamping bolt.
Certainly, crank pin can also adopt other structure with connecting of center crank, and the location also can adopt the key location to wait other mode, enumerates no longer one by one here.
Bent axle in the above embodiments turns three supporting structures for having two of two crank pins, and two crank pin phase differences are 180 degree, and a smooth block is set on each crank pin, can constitute in the internal-combustion engine or compressor of two cylinders in upright arrangement; And this bent axle is a split-type structural, and the smooth block that can be convenient to integral type is inserted in the crank pin, makes that the dismounting of internal-combustion engine or compressor and the assembling of circular slider-crank mechanism in upright arrangement are more convenient, is convenient to maintenance; In addition, the bent axle of this bent axle and traditional connecting rod has good inheritance, and when manufacturing, the production line of existing connecting rod bent axle capable of using is transformed a little and carried out, thereby helps reducing manufacture cost.
The utility model also provides a kind of internal-combustion engine and compressor of circular slider-crank mechanism, uses the bent axle of above-mentioned any circular slider-crank mechanism.
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 (9)
1. the bent axle of a circular slider-crank mechanism is characterized in that, comprise turn left, center crank and turning right; Wherein, said turn left and turn right to be comprise singly turning of main journal and crank pin, and two singly turn in the crank pin distance that departs from the main journal axis equate, be e; The two ends of said center crank are respectively arranged with an eccentric opening, and the throw of eccentric that two eccentric opening phase differences are 180 degree and two eccentric openings is e; The free end of the said crank pin of turning left and turning right is inserted respectively in two eccentric openings by the right ends of center crank, and fastens as one with center crank; The said main journal axis of turning left and turning right is located along the same line.
2. the bent axle of circular slider-crank mechanism according to claim 1 is characterized in that, said center crank is oblate cylinder, and two eccentric opening edges protrude outside the oblate cylinder end face.
3. the bent axle of circular slider-crank mechanism according to claim 1 is characterized in that, said center crank is provided with repeated hole.
4. the bent axle of circular slider-crank mechanism according to claim 1 is characterized in that, said turning left is to be provided with the spline housing structure in the end away from crank pin of said main journal of turning left by the clutch end of internal-combustion engine.
5. the bent axle of circular slider-crank mechanism according to claim 1 is characterized in that, said turning right to the non-clutch end of internal-combustion engine is provided with the auxiliary power output shaft in the outer end of its main journal, and this auxiliary power output shaft is provided with keyway.
6. crank; Be applied in the bent axle of above-mentioned circular slider-crank mechanism it is characterized in that as center crank this crank is oblate cylinder; The two ends of said crank are respectively arranged with an eccentric opening; The throw of eccentric that two eccentric opening phase differences are 180 degree and two eccentric openings is e, and this eccentric opening is used for when forming bent axle with crank throw, ccontaining crank pin end.
7. crank throw, this crank throw be for singly turning, and comprises main journal and by the main journal outward extending crank pin in an end wherein, the axis of said crank pin and main journal parallel axes, and distance is e; The end away from crank pin at said main journal is provided with spline housing.
8. an internal-combustion engine is characterized in that, uses aforesaid right and requires 1 to 5 arbitrary described bent axle.
9. a compressor is characterized in that, uses aforesaid right and requires 1 to 5 arbitrary described bent axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120188572U CN202132368U (en) | 2011-06-07 | 2011-06-07 | Crankshaft, crank, crank throw of crank round slider mechanism, internal combustion engine and compression engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120188572U CN202132368U (en) | 2011-06-07 | 2011-06-07 | Crankshaft, crank, crank throw of crank round slider mechanism, internal combustion engine and compression engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202132368U true CN202132368U (en) | 2012-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120188572U Expired - Lifetime CN202132368U (en) | 2011-06-07 | 2011-06-07 | Crankshaft, crank, crank throw of crank round slider mechanism, internal combustion engine and compression engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202132368U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244548A (en) * | 2013-04-19 | 2013-08-14 | 广州万宝集团压缩机有限公司 | Split crank shaft structure of reciprocating compressor |
| CN103982530A (en) * | 2014-06-11 | 2014-08-13 | 北京汽车研究总院有限公司 | Engine crankshaft |
| CN105569840A (en) * | 2015-12-14 | 2016-05-11 | 中国北方发动机研究所(天津) | Horizontal dual opposed conchoidal engine |
| CN108591242A (en) * | 2018-04-19 | 2018-09-28 | 西安交通大学 | A kind of vuilt-up crankshaft |
| CN110466184A (en) * | 2019-09-26 | 2019-11-19 | 明勖（东莞）精密机械有限公司 | A kind of transmission mechanism of punch press feeder |
-
2011
- 2011-06-07 CN CN201120188572U patent/CN202132368U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244548A (en) * | 2013-04-19 | 2013-08-14 | 广州万宝集团压缩机有限公司 | Split crank shaft structure of reciprocating compressor |
| CN103982530A (en) * | 2014-06-11 | 2014-08-13 | 北京汽车研究总院有限公司 | Engine crankshaft |
| CN105569840A (en) * | 2015-12-14 | 2016-05-11 | 中国北方发动机研究所(天津) | Horizontal dual opposed conchoidal engine |
| CN108591242A (en) * | 2018-04-19 | 2018-09-28 | 西安交通大学 | A kind of vuilt-up crankshaft |
| CN110466184A (en) * | 2019-09-26 | 2019-11-19 | 明勖（东莞）精密机械有限公司 | A kind of transmission mechanism of punch press feeder |
| CN110466184B (en) * | 2019-09-26 | 2024-03-22 | 明勖（东莞）精密机械有限公司 | Transmission mechanism of punch feeder |
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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: 20120201 |
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| CX01 | Expiry of patent term |