CN110219879A - A kind of link mechanism and engine - Google Patents
A kind of link mechanism and engine Download PDFInfo
- Publication number
- CN110219879A CN110219879A CN201910502584.5A CN201910502584A CN110219879A CN 110219879 A CN110219879 A CN 110219879A CN 201910502584 A CN201910502584 A CN 201910502584A CN 110219879 A CN110219879 A CN 110219879A
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- China
- Prior art keywords
- connecting rod
- gonnecting
- rod body
- link mechanism
- cap
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C7/00—Connecting-rods or like links pivoted at both ends; Construction of connecting-rod heads
- F16C7/02—Constructions of connecting-rods with constant length
- F16C7/023—Constructions of connecting-rods with constant length for piston engines, pumps or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention belongs to technical field of vehicle, a kind of link mechanism and engine are disclosed.The link mechanism, it include: gonnecting rod body and connecting rod cap, it is detachably connected between gonnecting rod body and connecting rod cap by connecting-rod bolts, crank pin end pore is formed between gonnecting rod body and connecting rod cap, segmentation contact surface between gonnecting rod body and connecting rod cap is not overlapped with the central plane of crank pin end pore, and is divided contact surface and be located at central plane close to the side of connecting rod cap.If the length of the link mechanism connecting-rod bolts is constant, the contact length of connecting-rod bolts and gonnecting rod body increases, to enhance the bonding strength between connecting rod cap and gonnecting rod body；If keep the contact length of connecting-rod bolts and gonnecting rod body constant, increase the thickness between the bottom of connecting rod bolt holes and connecting rod body sidewall, wall thickness excessively thin the case where being easily bent deformation between connecting rod bolt holes and gonnecting rod body is avoided the occurrence of, to improve the rigidity of big end.
Description
Technical field
The present invention relates to technical field of vehicle more particularly to a kind of link mechanisms and engine.
Background technique
Existing connecting rod includes small end of connecting rod, big end and gonnecting rod body, and small end of connecting rod is the part with piston pin connection, even
Bar major part is the part connecting with crankshaft, bar portion of the gonnecting rod body between small end of connecting rod, big end.Since connecting rod is separately connected
In piston and crankshaft, connecting rod is able to bear the gas load that piston pin transmits and is passed along crankshaft, by the reciprocal of piston
Movement is changed into the rotary motion of crankshaft.
Existing connecting rod is divided into two kinds of flat nick connecting rod (as shown in Figure 1) and angular cut connecting rod (as shown in Figure 2), big end
It is made of 1 ' of gonnecting rod body and 2 ' of connecting rod cap, 1 ' of gonnecting rod body and 2 ' of connecting rod cap are using the disconnected processing technology that rises, specifically, in connecting rod
After major part inner circle completes the process, the position disconnected can needed to etch scar very shallow together with laser, then by introversion
External application mechanical equipment applies a powerful expansive force to big end, and 2 ' of connecting rod cap will be from etched good position at this time
It disconnects.01 ' of segmentation contact surface of 2 ' of 1 ' of gonnecting rod body and connecting rod cap be it is very coarse, this is the section of self-assembling formation when rising disconnected.
It is no any gap between normal combination 1 ' of gonnecting rod body to get up and 2 ' of connecting rod cap using the cracking connecting rod that rises, formation one is complete
Whole entirety, precision are high；Simultaneously as cooperating between coarse section tightly, a possibility that generating transverse shifting, anti-cross are reduced
It is strong to shear ability, it is able to bear load more stronger than plain connecting rod, huge discharge, high-powered engine is suitble to use.
As shown in figure 3, the central plane of segmentation 01 ' of contact surface and 4 ' of crank pin end pore of 1 ' of gonnecting rod body and 2 ' of connecting rod cap
02 ' is overlapped, and segmentation 01 ' of contact surface divides equally 4 ' of crank pin end pore.Due to being had during rising disconnected in segmentation 01 ' of contact surface
Slag phenomenon, in order to guarantee the bonding strength between 3 ' of 4 ' of crank pin end pore and connecting rod bolt holes, it is necessary to assure in segmentation contact surface
The minimum range A > 1mm-2mm of 01 ' upper connecting rod bolt hole, 3 ' and 4 ' of crank pin end pore.Meanwhile in order to guarantee connecting-rod bolts even
It is not influenced in succession by segmentation 01 ' of contact surface deformation when 1 ' of the body of rod and 2 ' of connecting rod cap, the counterbore section L of 3 ' of connecting rod bolt holes must be got over
Cross 01 ' of segmentation contact surface of connecting rod.In order to guarantee that connecting-rod bolts can be installed smoothly, the counterbore Duan Zhi of usual 3 ' of connecting rod bolt holes
Diameter Φ B needs the thread segment maximum outside diameter greater than 3 ' of connecting rod bolt holes.
As shown in figure 3, needing the counterbore section L of 3 ' of connecting rod bolt holes to be greater than the height of 2 ' of connecting rod cap using this arragement construction
Degree, more 01 ' 3mm-5mm of over-segmentation contact surface, meanwhile, in order to guarantee that there is the thread segment of 3 ' of connecting rod bolt holes enough screw threads to nibble
Close length L ', the wall thickness X that will lead between 1 ' of 3 ' of connecting rod bolt holes and gonnecting rod body is too small, cause big end rigidity reduce or
It can not arrange connecting-rod bolts.
Summary of the invention
The purpose of the present invention is to provide a kind of rod structure and engines, for guaranteeing the company between gonnecting rod body and connecting rod cap
Stability is connect, the rigidity of big end is improved.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of link mechanism, comprising: gonnecting rod body and connecting rod cap pass through connecting rod spiral shell between the gonnecting rod body and the connecting rod cap
Bolt is detachably connected, and crank pin end pore, the gonnecting rod body and the connecting rod are formed between the gonnecting rod body and the connecting rod cap
Segmentation contact surface between lid is not overlapped with the central plane of the crank pin end pore, and the segmentation contact surface is located in described
The lower section of heart plane and the side of the close connecting rod cap.
Preferably, it is described segmentation contact surface and the central plane between offset or dish be M, wherein 1mm≤M≤
5mm。
Preferably, be provided with upper tile and lower tile in the crank pin end pore, the upper tile and lower watt described
Piece mutually abuts and is located at the two sides of the central plane of the crank pin end pore.
Preferably, the central plane of contact surface and the crank pin end pore between the upper tile and the lower tile
It is overlapped, the lower tile is made to fit respectively with the gonnecting rod body and the connecting rod cap.
Preferably, being provided with retention Hp at the both ends of the lower tile, the retention Hp can extend into the gonnecting rod body
It is interior, for the positioning between the gonnecting rod body and the connecting rod cap.
Preferably, the first arc groove is provided with close to the side of the connecting rod cap in the gonnecting rod body, in the company
Bowl cover corresponds to first arc groove close to the side of the gonnecting rod body and is provided with the second arc groove, and first circular arc is recessed
Slot and second arc groove close up to form the crank pin end pore.
Preferably, the link mechanism is provided with the inside for extending to the gonnecting rod body from one end of the connecting rod cap
Connecting rod bolt holes, the connecting rod bolt holes are worn for the connecting-rod bolts.
Preferably, being provided with the first counterbore section on the connecting rod cap, first counterbore is corresponded in the gonnecting rod body
Section is provided with the second counterbore section and thread segment, the thread segment, the first counterbore section and the second counterbore section coaxial arrangement
And be interconnected, form the connecting rod bolt holes.
Preferably, one end of the connecting rod cap is provided with small end of connecting rod in the gonnecting rod body, it is small in the connecting rod
Connecting rod small end hole is offered on head, the connecting rod small end hole is worn for piston pin.
In order to achieve the above object, the present invention also provides a kind of engine, including piston, crankshaft and above-mentioned link mechanism,
The link mechanism is connected to the piston and the crankshaft.
Beneficial effects of the present invention:
Link mechanism provided by the invention passes through the segmentation contact surface and big end between setting gonnecting rod body and connecting rod cap
The central plane in hole is not overlapped, and realizes the segmentation contact surface of big end using eccentric setting.Meanwhile passing through setting segmentation contact
Face is located at the lower section of central plane and the side close to connecting rod cap, the side being overlapped with prior art segmentation contact surface with central plane
Formula is compared, and makes to divide contact surface direction from the position of central plane offset or dish certain close to the movement of the direction of connecting rod cap,
The thickness for being equivalent to connecting rod cap is accordingly reduced, and thickness of the connecting rod close to the side of connecting rod cap increases.
In this way, when connecting-rod bolts wear connecting rod cap and gonnecting rod body, if the length of connecting-rod bolts is constant, even
Contact length between bar bolt and connection cover is reduced, and the contact length of connecting-rod bolts and gonnecting rod body increases, for enhancing bolt
To the contiguity of gonnecting rod body, to enhance the bonding strength between connecting rod cap and gonnecting rod body；If keeping connecting-rod bolts and connecting rod
When the contact length of body is constant, compared with prior art, as the initial position of the thread segment is to the side towards close connecting rod cap
To movement, the final position of the thread segment is also moved down, equivalent to increase between the bottom and connecting rod body sidewall of connecting rod bolt holes
Thickness, wall thickness excessively thin the case where being easily bent deformation between connecting rod bolt holes and gonnecting rod body is avoided the occurrence of, thus the company of raising
The rigidity of bar major part.
The present invention provides a kind of engine, which includes piston, crankshaft and link mechanism, and link mechanism connects respectively
It is connected to piston and crankshaft, link mechanism plays the role of intermediate connection, and link mechanism can accept the active force of piston pin simultaneously
Crankshaft is passed it to, the reciprocating motion of piston is changed into the rotary motion of crankshaft.The engine passes through setting connecting rod knot
Structure, for realizing stable connection effect, to guarantee coupling stiffness.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that connecting rod is flat nick connecting rod in the prior art；
Fig. 2 is the structural schematic diagram that connecting rod is angular cut connecting rod in the prior art；
Fig. 3 be in the prior art connecting rod in the partial sectional view of big end；
Fig. 4 is the structural schematic diagram of link mechanism of the present invention；
Fig. 5 is partial sectional view of the link mechanism of the present invention in big end；
Fig. 6 is the structural schematic diagram of gonnecting rod body in link mechanism of the present invention；
Fig. 7 is the structural schematic diagram of connecting rod cap in link mechanism of the present invention.
In figure:
1 ', gonnecting rod body；2 ', connecting rod cap；3 ', connecting rod bolt holes；4 ', crank pin end pore；01 ', segmentation contact surface；02 ', in
Heart plane；
1, gonnecting rod body；2, connecting rod cap；3, big end；4, small end of connecting rod；5, upper tile；6, lower tile；7, connecting-rod bolts
Hole；01, divide contact surface；02, central plane；
11, the first arc groove；21, the second arc groove；
31, crank pin end pore；41, connecting rod small end hole；61, retention Hp；
71, the first counterbore section；72, the second counterbore section；73, thread segment.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of engine is present embodiments provided, which includes piston, crankshaft and link mechanism, link mechanism difference
It is connected to piston and crankshaft, link mechanism plays the role of intermediate connection, and link mechanism can accept the active force of piston pin
And crankshaft is passed it to, the reciprocating motion of piston is changed into the rotary motion of crankshaft.The engine passes through setting connecting rod
Structure, for realizing stable connection effect, to guarantee coupling stiffness.
A kind of link mechanism is present embodiments provided, as shown in figure 4, the link mechanism includes gonnecting rod body 1 and connecting rod cap 2,
Big end 3 is formed close to one end of connecting rod cap 2 and connecting rod cap 2 in gonnecting rod body 1, is set in gonnecting rod body 1 far from one end of connecting rod cap 2
It is equipped with small end of connecting rod 4, small end of connecting rod 4 is thin-wall circular ring structure.Specifically, connecting rod small end hole is offered on small end of connecting rod 4
41, connecting rod small end hole 41 is worn for piston pin, small in connecting rod to reduce the abrasion between connecting rod small end hole 41 and piston pin
Bushing is pressed into head bore 41, to extend the service life of part.Gonnecting rod body 1 is long pole structure, and small end of connecting rod 4 passes through piston pin
It is connected with piston, big end 3 passes through engine cylinder hole and is connected with crankshaft, and gonnecting rod body 1 is played piston acting generation
Power passes to the effect of crankshaft.Therefore, stress is also larger at work for gonnecting rod body 1, to prevent its bending deformation, gonnecting rod body 1
It needs that there is enough rigidity.
Further, as illustrated in figures 4-5, since big end 3 is by 2 two parts split type structure of gonnecting rod body 1 and connecting rod cap
Assemble, in order to which the two is connected into an overall structure, link mechanism is provided with from one end of connecting rod cap 2 and extends to connecting rod
The interior connecting rod bolt holes 7 of body 1, connecting rod bolt holes 7 are worn for connecting-rod bolts.The quantity of connecting rod bolt holes 7 is two, two
Connecting rod bolt holes 7 are symmetrically disposed on the two sides of connecting rod cap 2, wear a connecting rod bolt holes 7 by each connecting-rod bolts, to realize
Gonnecting rod body 1 and connecting rod cap 2 being detachably connected between the two.
Specifically, it is provided with the first counterbore section 71 on connecting rod cap 2, is provided in the corresponding first counterbore section 71 of gonnecting rod body 1
Second counterbore section 72 and thread segment 73, thread segment 73, the first counterbore section 71 and the second counterbore section 72 are coaxially disposed and are interconnected,
Form connecting rod bolt holes 7, wherein the first counterbore section 71 and the second counterbore section 72 are unthreaded hole structure, during installation, connecting-rod bolts according to
Secondary wear is protruded into after the first counterbore section 71 and the second counterbore section 72 in thread segment 73 and is threadedly coupled with it.
The side of connecting rod cap 2 is provided with the first arc groove 11 (as shown in Figure 6) in gonnecting rod body 1, is leaned in connecting rod cap 2
Corresponding first arc groove 11 in the side of nearly gonnecting rod body 1 is provided with the second arc groove 21 (as shown in Figure 6), the first arc groove
11 and second arc groove 21 close up, form the crank pin end pore 31 of a full-round structure, with realize on big end 3
Crank pin end pore 31 is set.In order to guarantee the bonding strength of big end 3, the segmentation between gonnecting rod body 1 and connecting rod cap 2 is contacted
Face 01 is not overlapped with the central plane 02 of crank pin end pore 31, and is divided contact surface 01 and be located at the lower section of central plane 02 and close
The side of connecting rod cap 2.Specifically, with reference to Fig. 4, the offset or dish between definition segmentation contact surface 01 and central plane 02 is M,
Middle 1mm≤M≤5mm.
Link mechanism provided in this embodiment passes through the segmentation between setting gonnecting rod body 1 and connecting rod cap 2 as illustrated in figures 4-5
Contact surface 01 is not overlapped with the central plane 02 of crank pin end pore 31, realizes the segmentation contact surface 01 of big end 3 using eccentric
Setting.Meanwhile the lower section of central plane 02 and the side of close connecting rod cap 2 are located at by setting segmentation contact surface 01, and it is existing
Technology divides contact surface 01 compared with the mode that central plane 02 is overlapped, and makes to divide contact surface 01 from the position of central plane 02
Towards close to the mobile certain offset or dish in the direction of connecting rod cap 2, the thickness for being equivalent to connecting rod cap 2 is accordingly reduced, and connecting rod is leaned on
The thickness of the side of nearly connecting rod cap 2 increases.
In this way, when connecting-rod bolts wear connecting rod cap 2 and gonnecting rod body 1, if the length of connecting-rod bolts is constant,
Contact length between connecting-rod bolts and connection cover is reduced, i.e., the length L of first counterbore section 71 is reduced in connecting rod bolt holes 7, even
The contact length of bar bolt and gonnecting rod body 1 increases, i.e., the length of action L ' of thread segment 73 increases in connecting rod bolt holes 7, for increasing
Strength bolt is to the contiguity of gonnecting rod body 1, to enhance the bonding strength between connecting rod cap 2 and gonnecting rod body 1；If keeping connecting rod spiral shell
When the contact length of bolt and gonnecting rod body 1 is constant, i.e., the length of action L ' of thread segment 73 is remained unchanged in connecting rod bolt holes 7, and existing
There is technology to compare, as the initial position of the thread segment 73 is to mobile, the end of the thread segment 73 towards the direction of close connecting rod cap 2
Stop bit, which is set, also to be moved down, equivalent to increase the thickness between 1 side wall of bottom and gonnecting rod body of connecting rod bolt holes 7, i.e. increase bolt
The wall thickness X of hole bottom avoids the occurrence of wall thickness excessively thin the case where being easily bent deformation between connecting rod bolt holes 7 and gonnecting rod body 1, from
And improve the rigidity of big end 3.
Further, due to needing to guarantee to guarantee the bonding strength between crank pin end pore 31 and connecting rod bolt holes 7
It is minimum in the prior art in the minimum range A > 1mm-2mm of 01 upper connecting rod bolt hole 7 and crank pin end pore 31 of segmentation contact surface
Distance A is between the hole wall of 02 upper connecting rod bolt hole 7 of central plane and the hole wall of crank pin end pore 31 of crank pin end pore 31
Distance, i.e. the distance between the inner wall of the first counter sink and P point.
Compared with prior art, eccentric setting is used by the segmentation contact surface 01 of big end 3, divides contact surface 01
In the lower section of central plane 02, divides contact surface 01 and avoid at connecting rod bolt holes 7 and 31 minimum wall thickness (MINI W.) of crank pin end pore, at this time
Minimum range A is the distance between the hole wall of segmentation 01 upper connecting rod bolt hole 7 of contact surface and the hole wall of crank pin end pore 31, i.e.,
The distance between inner wall and Q point of first counter sink.Since the distance between Q point and 1 axis of gonnecting rod body are less than P point and gonnecting rod body
The distance between 1 axis, under the premise of meeting minimum range A > 1mm-2mm, compared with prior art, two connecting-rod bolts
Hole 7 can be mobile to the direction of crank pin end pore 31, i.e., the center of two connecting rod bolt holes 7 is away from can accordingly reduce, so that even
3 width D of bar major part can also be reduced therewith, to meet the requirement that 3 width D of big end is less than engine cylinder bore dia, be not necessarily to
Secondary machine is carried out to big end 3, reduces manufacturing procedure, saves production time cost, improves production efficiency, meanwhile, subtract
Few treatment process to big end 3, improves 3 rigidity of big end.
Further, as shown in fig. 6-7, big in connecting rod in order to guarantee the locating effect between gonnecting rod body 1 and connecting rod cap 2
Tile 5 and lower tile 6 are provided in head bore 31, upper tile 5 and lower tile 6 are arc-shaped structure, upper tile 5 and lower tile
6 mutually abut.When upper tile 5 and lower tile 6 close up, forms ring structure and fit with the inner wall of crank pin end pore 31.
Upper tile 5 and lower tile 6 are located at the two sides of the central plane 02 of crank pin end pore 31, make tile 5 under
Contact surface between tile 6 is overlapped with the central plane 02 of crank pin end pore 31, i.e., the contact between upper tile 5 and lower tile 6
It is M that face, which is also offset or dish at a distance from segmentation contact surface 01,.Optionally, the both ends of lower tile 6 are provided with retention Hp 61, it is fixed
Position lip 61 is the part that lower tile 6 can exceed segmentation contact surface 01, and retention Hp 61 can extend into gonnecting rod body 1 and and connecting rod
The inner wall of big end hole 31 is in contact, and realizes that lower tile 6 fits with gonnecting rod body 1 and connecting rod cap 2 respectively, consequently facilitating gonnecting rod body 1
Positioning between connecting rod cap 2.
In the description of this article, it is to be understood that term " on ", "lower", " right side ", etc. orientation or positional relationships be based on
Orientation or positional relationship shown in the drawings is merely for convenience of description and simplification and operates, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.In addition, term " first ", " second ", are only used to distinguish between description, have no special meaning.
In the description of this specification, the description of reference term " embodiment ", " example " etc. means to combine the embodiment
Or example particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.?
In this specification, schematic expression of the above terms be may not refer to the same embodiment or example.
In addition, the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of link mechanism, comprising: gonnecting rod body (1) and connecting rod cap (2), between the gonnecting rod body (1) and the connecting rod cap (2)
It is detachably connected by connecting-rod bolts, forms crank pin end pore (31) between the gonnecting rod body (1) and the connecting rod cap (2),
It is characterized in that, segmentation contact surface (01) and the crank pin end pore between the gonnecting rod body (1) and the connecting rod cap (2)
(31) central plane (02) is not overlapped, and the segmentation contact surface (01) is located at the central plane (02) close to the connecting rod
Cover the side of (2).
2. link mechanism according to claim 1, which is characterized in that the segmentation contact surface (01) and the central plane
(02) offset or dish between is M, wherein 1mm≤M≤5mm.
3. link mechanism according to claim 1, which is characterized in that be provided with Shang watt in the crank pin end pore (31)
Piece (5) and lower tile (6), the upper tile (5) and the lower tile (6) mutually abut and are located at the crank pin end pore
(31) two sides of central plane (02).
4. link mechanism according to claim 3, which is characterized in that between the upper tile (5) and the lower tile (6)
Contact surface be overlapped with the central plane (02) of the crank pin end pore (31), make the lower tile (6) respectively with the connecting rod
Body (1) and the connecting rod cap (2) fit.
5. link mechanism according to claim 4, which is characterized in that the both ends of the lower tile (6) are provided with positioning
Lip (61), the retention Hp (61) can extend into the gonnecting rod body (1), be used for the gonnecting rod body (1) and the connecting rod cap (2)
Between positioning.
6. link mechanism according to claim 1, which is characterized in that in the gonnecting rod body (1) close to the connecting rod cap (2)
Side be provided with the first arc groove (11), correspond to described the close to the side of the gonnecting rod body (1) in the connecting rod cap (2)
One arc groove (11) is provided with the second arc groove (21), first arc groove (11) and second arc groove
(21) close up to form the crank pin end pore (31).
7. link mechanism according to claim 1, which is characterized in that the link mechanism is provided with from the connecting rod cap
(2) one end extends to the connecting rod bolt holes (7) of the inside of the gonnecting rod body (1), and the connecting rod bolt holes (7) are used for the company
Bar bolt is worn.
8. link mechanism according to claim 7, which is characterized in that be provided with the first counterbore on the connecting rod cap (2)
Section (71), in the gonnecting rod body (1), the corresponding first counterbore section (71) is provided with the second counterbore section (72) and thread segment (73),
The thread segment (73), the first counterbore section (71) and the second counterbore section (72) are coaxially disposed and are interconnected, and are formed
The connecting rod bolt holes (7).
9. link mechanism according to claim 1, which is characterized in that in the gonnecting rod body (1) far from the connecting rod cap (2)
One end be provided with small end of connecting rod (4), connecting rod small end hole (41), the small end of connecting rod are offered on the small end of connecting rod (4)
Hole (41) is worn for piston pin.
10. a kind of engine, which is characterized in that including piston, crankshaft and the described in any item link mechanisms of claim 1-9,
The link mechanism is connected to the piston and the crankshaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502584.5A CN110219879A (en) | 2019-06-11 | 2019-06-11 | A kind of link mechanism and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910502584.5A CN110219879A (en) | 2019-06-11 | 2019-06-11 | A kind of link mechanism and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110219879A true CN110219879A (en) | 2019-09-10 |
Family
ID=67816577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910502584.5A Pending CN110219879A (en) | 2019-06-11 | 2019-06-11 | A kind of link mechanism and engine |
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| CN (1) | CN110219879A (en) |
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| CN201679682U (en) * | 2010-05-21 | 2010-12-22 | 诸暨华佳空压机有限公司 | Novel structure at opening of connecting rod cap and connecting rod body of braking air compressor connecting rod assembly |
| CN102168713A (en) * | 2011-01-28 | 2011-08-31 | 潍坊浩泰机械有限责任公司 | Self-locating connecting rod |
| JP2013241997A (en) * | 2012-05-21 | 2013-12-05 | Hino Motors Ltd | Connecting rod |
| CN207634502U (en) * | 2017-12-07 | 2018-07-20 | 扬州市邗江华兴机械有限公司 | A kind of connecting rod of bearing shell easy to install |
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2019
- 2019-06-11 CN CN201910502584.5A patent/CN110219879A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2802603A1 (en) * | 1978-01-21 | 1979-07-26 | Daimler Benz Ag | DIVIDED CONNECTING ROD END |
| CN201679682U (en) * | 2010-05-21 | 2010-12-22 | 诸暨华佳空压机有限公司 | Novel structure at opening of connecting rod cap and connecting rod body of braking air compressor connecting rod assembly |
| CN102168713A (en) * | 2011-01-28 | 2011-08-31 | 潍坊浩泰机械有限责任公司 | Self-locating connecting rod |
| JP2013241997A (en) * | 2012-05-21 | 2013-12-05 | Hino Motors Ltd | Connecting rod |
| CN207634502U (en) * | 2017-12-07 | 2018-07-20 | 扬州市邗江华兴机械有限公司 | A kind of connecting rod of bearing shell easy to install |
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