CN208578846U - Gasoline engine connecting rod - Google Patents

Gasoline engine connecting rod Download PDF

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Publication number
CN208578846U
CN208578846U CN201820960251.8U CN201820960251U CN208578846U CN 208578846 U CN208578846 U CN 208578846U CN 201820960251 U CN201820960251 U CN 201820960251U CN 208578846 U CN208578846 U CN 208578846U
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Prior art keywords
connecting rod
gasoline engine
pin shaft
crankshaft
engine connecting
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CN201820960251.8U
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Chinese (zh)
Inventor
廖朝斌
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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Abstract

The utility model relates to a kind of gasoline engine connecting rod, the gasoline engine connecting rod includes gonnecting rod body, and one end of the gonnecting rod body is equipped with small end of connecting rod;It is designed using knuckle the junction of the small end of connecting rod and gonnecting rod body;The small end of connecting rod is equipped with pin shaft hole;Pin shaft bearing shell is equipped in the pin shaft hole;The small end of connecting rod is equipped with oilhole;The pin shaft bearing shell is copper sheathing;The gonnecting rod body other end is equipped with big end, and the junction of the big end and gonnecting rod body is using knuckle design;Crankshaft hole is formed under the big end and connecting rod cap connection status;Crankshaft bearing liner is equipped in the crankshaft hole;The gasoline engine connecting rod is fabricated using steel material.Its advantage is shown: a kind of gasoline engine connecting rod of the utility model, gasoline engine connecting rod in compared with the existing technology, can satisfy intensity and rigidity requirement, improve the reliability, wearability, safety, durability of machine, it can prevent from being broken, can guarantee lubrication.

Description

Gasoline engine connecting rod
Technical field
The utility model relates to connecting rod technology fields, specifically, being a kind of gasoline engine connecting rod.
Background technique
Connecting rod is for connection to piston and crankshaft, and the microcephaly of connecting rod is connected by piston pin with piston, big end and song The rod journal of axis is connected, and big end is connected with the rod journal of crankshaft, and the gas pressure that piston is born is transmitted to crankshaft, The reciprocating motion of piston is set to be transformed into the rotary motion of crankshaft.
However, the following defects and deficiencies exist for the link mechanism in the gasoline engine of the prior art:
Firstly, gasoline engine is generally formed by aluminium alloy compression casting in the prior art, overall structure is light and handy, be not able to satisfy intensity and Rigidity requirement.
Secondly, small end of connecting rod end is easily deformed with pin shaft junction in prior art gasoline engine, i.e., small end of connecting rod is in maximum The ovalizing deflection that longitudinal elongation is generated under the action of inertia force generates the oval of transverse extension under the effect of highest gaseous-pressure and becomes Shape.
In addition, small end of connecting rod end and pin hole junction poor lubricity in prior art gasoline engine, do not have lubricating action, and Cooling is poor.
Furthermore prior art big end end is contacted with crankshaft, and abrasion is larger, often results in entire connecting rod and fracture occur now As.
Chinese patent literature CN201610501656.0, the applying date 20160630, patent name are as follows: the gasoline with buffer-type Machine connecting rod, discloses the gasoline engine connecting rod with buffer-type, including gasoline engine connecting rod, has on gasoline engine connecting rod and to connect with piston Upper end hole and the lower stomidium being connect with crankshaft, between upper end hole and lower stomidium be equipped with buffer unit, buffer unit include fixed link, Clump weight and the first spring, fixed link are fixed between upper end hole and lower stomidium, and clump weight is sleeved in fixed link and can It is slided up and down along fixed link, the first spring is fixed between clump weight and upper end hole.
Above patent document is by setting buffer unit, and middle buffer unit will disperse the concentrated stress on connecting rod, to protect Having protected connecting rod will not be broken because stress is concentrated, and gasoline engine connecting rod can be effectively protected.But about a kind of energy Enough meet intensity and rigidity requirement, improves the reliability, wearability, safety, durability of machine, can prevent from being broken, can protect The technical side of lubrication is demonstrate,proved then without corresponding open.
In conclusion one kind is needed to can satisfy intensity and rigidity requirement, the reliability, wearability, safety of machine are improved Property, durability, can prevent from being broken, can guarantee the gasoline engine connecting rod of lubrication.And it is gone back at present about this gasoline engine connecting rod It has not been reported.
Summary of the invention
The purpose of this utility model is that aiming at the shortcomings in the prior art, providing one kind can satisfy intensity and rigidity need It asks, improves the reliability, wearability, safety, durability of machine, can prevent from being broken, can guarantee the engineering neck of lubrication Domain gasoline engine connecting rod.
A further object of the utility model is: providing a kind of engine.
To achieve the above object, the technical scheme adopted by the utility model is that:
A kind of gasoline engine connecting rod, the gasoline engine connecting rod includes gonnecting rod body, and it is small that one end of the gonnecting rod body is equipped with connecting rod Head;It is designed using knuckle the junction of the small end of connecting rod and gonnecting rod body;The small end of connecting rod is equipped with pin shaft hole;It is described Pin shaft bearing shell is equipped in pin shaft hole;The small end of connecting rod is equipped with oilhole;The pin shaft bearing shell is copper sheathing;Described The gonnecting rod body other end is equipped with big end, and the junction of the big end and gonnecting rod body is using knuckle design;The company Bar major part is equipped with semicircular structure;The big end is fixedly connected by connection bolt with connecting rod cap;The gonnecting rod body Axial direction be equipped with oil leab;Crankshaft hole is formed under the connecting rod cap and big end connection status;It is filled in the crankshaft hole Equipped with crankshaft bearing liner;Matching between the crankshaft bearing liner and crankshaft hole is combined into interference fit;The gasoline engine connecting rod uses steel Material is fabricated.
As a kind of perferred technical scheme, it is angular cut that subdivision form is carried out between the big end and connecting rod cap Form;Angle between the faying face and connecting rod axis of the big end and both connecting rod caps is 30-60 degree.
As a kind of perferred technical scheme, the length of the pin shaft bearing shell is 24mm;The oil leab is shared Two, it is separately positioned on the upper surface and lower surface of gonnecting rod body, and the width between two oil leabs is 14mm;The song The diameter of axis hole is 47mm;The diameter of the crankshaft bearing liner is 44mm;The connecting rod cap with a thickness of 26.3mm.
As a kind of perferred technical scheme, the faying face of both the big end and connecting rod cap is equipped with localization machine Structure.
As a kind of perferred technical scheme, the crankshaft bearing liner is made of upper and lower two half;The crankshaft axis Watt outer surface be cast with steel back layer;The inner surface of the crankshaft bearing liner is cast with wear-resistant alloy layer, and on wear-resistant alloy layer Equipped with positioning convex key and oil groove.
As a kind of perferred technical scheme, the cross section of the pin shaft hole is cylindrical form.
As a kind of perferred technical scheme, the outer peripheral surface of the small end of connecting rod is equipped with inner concave.
As a kind of perferred technical scheme, the left and right end face width of the connecting rod is wider than connecting rod cap 0.5mm;The connecting rod Center line and the left and right end face of connecting rod be eccentric design.
To realize above-mentioned second purpose, the technical solution adopted in the utility model is:
A kind of engine using gasoline engine connecting rod, the gasoline engine connecting rod are two, are in V between two gasoline engine connecting rods Distribution of shapes, and two gasoline engine connecting rods are one in front and one in back mounted on crankshaft respectively.
As a preferred technical solution, matching between the pin shaft bearing shell and pin shaft hole is combined into clearance fit form.
The utility model advantage is:
1, a kind of gasoline engine connecting rod of the utility model, compared with the existing technology in gasoline engine connecting rod, can satisfy strong Degree and rigidity requirement, improve the reliability, wearability, safety, durability of machine, can prevent from being broken, and can guarantee that lubrication is cold But.
2, in order to obtain good intensity and rigidity, the utility model is innovated in the following areas: first is that from material side Face, selection steel link mechanism, such as medium carbon steel, medium carbon alloy steel etc., compared with traditional aluminum material, intensity and rigidity It is good;Second is that meet intensity and rigidity requirement from dimensions, dimensions design specifically: the length of pin shaft bearing shell is 24mm;Width between two oil leabs is 14mm;The diameter of crankshaft hole is 47mm;The diameter of crankshaft bearing liner is 44mm;Even Bowl cover with a thickness of 26.3mm.Dimensions design rationally, meets mechanical strength check and Stiffness evaluation.
3, in order to guarantee lubrication, major embodiment following aspect: it on the one hand is being equipped with oilhole in small end of connecting rod, is being led to Oilhole is crossed, splashing lubrication can be carried out to pin shaft, to guarantee lubrication;On the other hand in the intensity for meeting connecting rod and It is 14mm by the width between two oil leabs under rigidity condition, the oil leab under this is dimensioned, to guarantee to connect Junctor lubrication.
4, axis hole is mounted with pin shaft bearing shell, abrasion, vibration and noise at the opposite sliding of pin shaft bearing shell reduction, pin shaft bearing shell Also there is etch-proof function, it is convenient convenient for the maintenance and replacement of equipment.
5, oilhole is set on pin shaft bearing shell, can be lubricated using splashing lubricating system.
6, pin shaft bearing shell specifically uses copper sheathing structure type, and wearability is good.
7, connecting rod uses steel link mechanism, has good rigidity and intensity;Cooperation between crankshaft bearing liner and crankshaft hole It by the way of interference fit, therefore can uniformly be tightly attached on crankshaft hole inner wall, have and bear load and thermally conductive ability very well, And the reliability of work can be improved and prolong the service life.
8, the junction of big end and gonnecting rod body is designed using knuckle, which has the technical effect that reduction Stress is concentrated.
9, gasoline engine connecting rod is two, V-shaped distribution between two connecting rods, and two connecting rods are one in front and one in back installed respectively On crankshaft.The design method is side-by-side connecting rod formula, and rigidity and intensity are good, improves safety.
Detailed description of the invention
Attached drawing 1 is the main view direction schematic diagram of the gasoline engine connecting rod of the utility model.
Attached drawing 2 is the sectional schematic diagram of the gasoline engine connecting rod of the utility model.
Attached drawing 3 is the structural schematic diagram of the utility model another kind gasoline engine connecting rod.
Attached drawing 4 is the partial schematic diagram that connecting rod is connect with connecting rod cap.
Attached drawing 5 is the main view direction schematic diagram of gasoline engine connecting rod in the prior art.
Attached drawing 6 is the sectional schematic diagram of gasoline engine connecting rod in the prior art.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment provided by the utility model.
Appended drawing reference involved in attached drawing and component part are as follows:
1. 2. small end of connecting rod of gonnecting rod body
21. 22. pin shaft bearing shell of pin shaft hole
23. 3. big end of oilhole
4. connecting 5. connecting rod cap of bolt
6. 7. crankshaft bearing liner of crankshaft hole
8. 9. oil leab of positioning mechanism
10. 11. knuckle of inner concave
Embodiment 1
Fig. 1 is please referred to, Fig. 1 is the main view direction schematic diagram of the gasoline engine connecting rod of the utility model.A kind of gasoline engine connecting rod, The gasoline engine connecting rod includes gonnecting rod body 1, and one end of the gonnecting rod body 1 is equipped with small end of connecting rod 2;The small end of connecting rod 2 and company It is designed using knuckle 11 junction of the body of rod 1;The small end of connecting rod 2 is equipped with pin shaft hole 21;It is filled in the pin shaft hole 21 Equipped with pin shaft bearing shell 22;The small end of connecting rod 2 is equipped with oilhole 23;Matching between the pin shaft bearing shell 22 and pin shaft hole 21 It is combined into clearance fit form;The pin shaft bearing shell 22 is copper sheathing;1 other end of gonnecting rod body is equipped with big end 3, described It is designed using knuckle 11 junction of big end 3 and gonnecting rod body 1;The big end 3 is equipped with semicircular structure;Institute The big end 3 stated is fixedly connected by connecting bolt 4 with connecting rod cap 5;The axial direction of the gonnecting rod body 1 is equipped with oil leab 9; The connecting rod cap 5 is equipped with semicircular structure, and crankshaft hole 6 is formed under connecting rod cap 5 and 3 connection status of big end;The song Crankshaft bearing liner 7 is equipped in axis hole 6;Matching between the crankshaft bearing liner 7 and crankshaft hole 6 is combined into interference fit.
The form that subdivision form is angular cut is carried out between the big end 3 and connecting rod cap 5;Big end 3 and company Angle between the faying face and connecting rod axis of both bowl covers 5 is 30-60 degree, preferably 45 degree.Big end 3 and connecting rod cap 5 The faying face of the two is equipped with positioning mechanism 8, and the positioning mechanism 8 includes sawtooth setting machine structure 8, sleeve positioning mechanism 8, pin shaft 8 three kinds of forms of positioning mechanism.
Referring to figure 2., Fig. 2 is the sectional schematic diagram of the gasoline engine connecting rod of the utility model.The section of the gonnecting rod body 1 is in Work shape;The length of the pin shaft bearing shell 22 is 24mm;There are two the oil leab 9 is total, it is separately positioned on gonnecting rod body 1 Upper surface and lower surface, and the width between two oil leabs 9 is 14mm;The diameter of the crankshaft hole 6 is 47mm;It is described The diameter of crankshaft bearing liner 7 is 44mm;The connecting rod cap 5 with a thickness of 26.3mm.
The embodiment it should be understood that
The crankshaft bearing liner 7 is made of upper and lower two half;The outer surface of the crankshaft bearing liner 7 is cast with steel back Layer;The inner surface of the crankshaft bearing liner 7 is cast with wear-resistant alloy layer, and wear-resistant alloy layer is equipped with positioning convex key and oil groove; Wear-resistant alloy layer is using bus alloy, albronze, high tinalloy composition.
The thinking of the design of the utility model first is that obtaining good intensity and rigidity, connecting rod is because of intensity in the prior art Deficiency, it occur frequently that connecting rod connecting-rod bolts, connecting rod cap 5 and connector are broken;Connecting rod in the prior art because of rigidity not Foot then carrys out bad influence to the work belt of crank link mechanism.In order to obtain good intensity and rigidity, the utility model with Lower aspect is innovated: 1. in terms of material, selects steel link mechanism, such as medium carbon steel, medium carbon alloy steel etc., relative to traditional Aluminum material is compared, intensity and good rigidity;2. meeting intensity and rigidity requirement from dimensions, dimensions design is specific Are as follows: the length of pin shaft bearing shell 22 is 24mm;Width between two oil leabs 9 is 14mm;The diameter of crankshaft hole 6 is 47mm; The diameter of crankshaft bearing liner 7 is 44mm;Connecting rod cap 5 with a thickness of 26.3mm.Dimensions design rationally, meets mechanical strength check And Stiffness evaluation.
The connecting rod of the utility model has good lubricity, guarantees lubrication, major embodiment following aspect: 1. even Bar microcephaly 2, which is equipped with oilhole 23, can carry out splashing lubrication to pin shaft, to guarantee lubrication by oilhole 23; 2. being 14mm by the width between two oil leabs 9, under this is dimensioned under the intensity and rigidity condition for meeting connecting rod Oil leab 9, to guarantee connector lubrication.
In addition, as a preference, the cross section of the pin shaft hole 21 is cylindrical form, because what is assembled with pin shaft hole 21 Piston pin bearing is designed as column type by very big shock loading, by pin shaft hole 21, can disperse the shock loading;And the prior art Middle pin shaft hole 21 is tapered (such as Fig. 5), then cannot reach the technical effect.
As a preference, the outer peripheral surface of the small end of connecting rod 2 is equipped with inner concave 10, inner concave 10 can reduce and live Space occupancy rate at plug pin position.And 2 the space occupied volume of small end of connecting rod in the prior art is big (such as Fig. 5 and Fig. 6 institute Show), it is easy to happen conflict accident.
The pin shaft hole 21 is mounted with pin shaft bearing shell 22, pin shaft bearing shell 22 reduce abrasion at opposite sliding, vibration and Noise, pin shaft bearing shell 22 also have etch-proof function, convenient convenient for the maintenance and replacement of equipment.
Oilhole 23 is set on the pin shaft bearing shell 22, can be lubricated using splashing lubricating system.The pin Axis bearing shell 22 specifically uses copper sheathing structure type, and wearability is good.
The connecting rod uses steel link mechanism, has good rigidity and intensity.The company of small end of connecting rod 2 and gonnecting rod body 1 It meets place to design using knuckle 11, the effect of the design reduces stress and concentrates.Stress is prevented to be pressurized excessive and be broken.
Cooperation between the crankshaft bearing liner 7 and crankshaft hole 6 can be uniformly tightly attached to by the way of interference fit On 6 inner wall of crankshaft hole, have and bear load and thermally conductive ability very well, and the reliability of work can be improved and extend and use the longevity Life.The pin shaft bearing shell 22 should be clearance fit with pin shaft hole 21, otherwise can not rotate, the positioning pin on connecting rod, connecting rod cap For interference fit top loading.
The positioning mechanism 8 includes sawtooth setting machine structure 8, sleeve positioning mechanism 8,8 three kinds of forms of pin shaft positioning mechanism.Set Cylinder positioning mechanism 8 is at low cost, and structure is simple;Pin shaft positioning mechanism 8 is at low cost, and structure is simple;8 positioning accurate of sawtooth setting machine structure Standard, reliable operation can be selected as needed.
The junction of the big end 3 and gonnecting rod body 1 is designed using knuckle 11, the technical effect of the design method It is to reduce stress to concentrate.Because big end 3 be connect the component of crankshaft and connecting rod cap 5 it is necessary to have enough rigidity, if The problem of insufficient rigidity then seizes, tile kilning and connection bolt 4 are broken, therefore, the utility model is based on the problem, leads to The design of knuckle 11 is crossed, reduces stress and concentrates, so that big end 3 obtains enough rigidity.
Embodiment 2
Referring to figure 3., Fig. 3 is the structural schematic diagram of the utility model another kind gasoline engine connecting rod.The present embodiment and implementation Example 1 is essentially identical, the difference is that, the gasoline engine connecting rod in the present embodiment is two, is in V between two gasoline engine connecting rods Distribution of shapes, and two gasoline engine connecting rods are one in front and one in back mounted on crankshaft respectively.The design method is that side-by-side connecting rod formula is started Machine, rigidity and intensity are good, improve safety.
Embodiment 3
Referring to figure 4., Fig. 4 is the partial schematic diagram that connecting rod is connect with connecting rod cap.The present embodiment and the basic phase of embodiment 1 Together, the difference is that, the left and right end face width of the connecting rod of the present embodiment is slightly wider than connecting rod cap 0.5mm, convenient for reducing end face Contact area reinforces lubricating end surface function;The center line of the connecting rod and the left and right end face of connecting rod are eccentric design, are convenient for connecting rod Face cylinder body opening center.
A kind of gasoline engine connecting rod of the utility model, compared with the existing technology in gasoline engine connecting rod, can satisfy intensity And rigidity requirement, the reliability, wearability, safety, durability of machine are improved, can prevent from being broken, can guarantee lubrication; In order to obtain good intensity and rigidity, the utility model is innovated in the following areas: in terms of material, selecting steel connecting rod machine Structure, such as medium carbon steel, medium carbon alloy steel etc., compared with traditional aluminum material, intensity and good rigidity;It is full from dimensions Sufficient intensity and rigidity requirement, dimensions design specifically: the length of pin shaft bearing shell 22 is 24mm;Between two oil leabs 9 Width be 14mm;The diameter of crankshaft hole 6 is 47mm;The diameter of crankshaft bearing liner 7 is 44mm;Connecting rod cap 5 with a thickness of 26.3mm. Dimensions design rationally, meets mechanical strength check and Stiffness evaluation;In order to guarantee lubrication, major embodiment is with lower section Face: on the one hand can carry out splashing lubrication to pin shaft by oilhole 23 equipped with oilhole 23 in small end of connecting rod 2, from And guarantee lubrication;On the other hand under the intensity and rigidity condition for meeting connecting rod, by the width between two oil leabs 9 For 14mm, oil leab 9 under this is dimensioned, to guarantee connector lubrication;Axis hole is mounted with pin shaft bearing shell 22, Pin shaft bearing shell 22 is reduced with respect to the abrasion at sliding, vibration and noise, and pin shaft bearing shell 22 also has etch-proof function, convenient for setting Standby maintenance and replacement is convenient;Oilhole 23 is set on pin shaft bearing shell 22, can be lubricated using splashing lubricating system.Pin shaft Bearing shell 22 specifically uses copper sheathing structure type, and wearability is good;Connecting rod uses steel link mechanism, has good rigidity and intensity; Cooperation between crankshaft bearing liner 7 and crankshaft hole 6 can be uniformly tightly attached on 6 inner wall of crankshaft hole by the way of interference fit, Load and thermally conductive ability are born with fine, and the reliability of work can be improved and prolong the service life;Big end 3 with The junction of gonnecting rod body 1 is designed using knuckle 11, which has the technical effect that reducing stress concentrates;Gasoline engine connects Bar is two, V-shaped distribution between two connecting rods, and two connecting rods are one in front and one in back mounted on crankshaft respectively.The design side Formula is side-by-side connecting rod formula, and rigidity and intensity are good, improves safety.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art Art personnel can also make several improvement and supplement under the premise of not departing from the utility model method, these are improved and supplement Also it should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of gasoline engine connecting rod, which is characterized in that the gasoline engine connecting rod includes gonnecting rod body, and one end of the gonnecting rod body is set There is small end of connecting rod;It is designed using knuckle the junction of the small end of connecting rod and gonnecting rod body;The small end of connecting rod is equipped with pin Axis hole;Pin shaft bearing shell is equipped in the pin shaft hole;The small end of connecting rod is equipped with oilhole;The pin shaft bearing shell is copper Set;The gonnecting rod body other end is equipped with big end, and the junction of the big end and gonnecting rod body is set using knuckle Meter;The big end is equipped with semicircular structure;The big end is fixedly connected by connection bolt with connecting rod cap;Institute The axial direction for stating gonnecting rod body is equipped with oil leab;Crankshaft hole is formed under the connecting rod cap and big end connection status;The song Crankshaft bearing liner is equipped in axis hole;Matching between the crankshaft bearing liner and crankshaft hole is combined into interference fit;The gasoline engine connecting rod It is fabricated using steel material.
2. gasoline engine connecting rod according to claim 1, which is characterized in that carried out between the big end and connecting rod cap Subdivision form is the form of angular cut;Angle between the faying face and connecting rod axis of the big end and both connecting rod caps For 30-60 degree.
3. gasoline engine connecting rod according to claim 2, which is characterized in that the length of the pin shaft bearing shell is 24mm;Institute There are two the oil leab stated is total, it is separately positioned on the upper surface and lower surface of gonnecting rod body, and between two oil leabs Width is 14mm;The diameter of the crankshaft hole is 47mm;The diameter of the crankshaft bearing liner is 44mm;The connecting rod cap with a thickness of 26.3mm。
4. gasoline engine connecting rod according to claim 2, which is characterized in that the knot of the big end and both connecting rod caps Conjunction face is equipped with positioning mechanism.
5. gasoline engine connecting rod according to claim 3 or 4, which is characterized in that the crankshaft bearing liner is by upper and lower two and half Piece composition;The outer surface of the crankshaft bearing liner is cast with steel back layer;The inner surface of the crankshaft bearing liner is cast with resistance to adjustment Layer gold, and wear-resistant alloy layer is equipped with positioning convex key and oil groove.
6. gasoline engine connecting rod according to claim 1, which is characterized in that the cross section of the pin shaft hole is cylindric shape Formula.
7. gasoline engine connecting rod according to claim 1, which is characterized in that the outer peripheral surface of the small end of connecting rod is equipped with indent Face.
8. gasoline engine connecting rod according to claim 1, which is characterized in that the left and right end face width of the connecting rod is wider than connecting rod Cover 0.5mm;The center line of the connecting rod and the left and right end face of connecting rod are eccentric design.
9. a kind of engine using any one of the claim 1-8 gasoline engine connecting rod, the gasoline engine connecting rod is two, two V-shaped distribution between a gasoline engine connecting rod, and two gasoline engine connecting rods are one in front and one in back mounted on crankshaft respectively.
10. engine according to claim 9, which is characterized in that matching between the pin shaft bearing shell and pin shaft hole is combined into Clearance fit form.
CN201820960251.8U 2018-06-21 2018-06-21 Gasoline engine connecting rod Active CN208578846U (en)

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Application Number Priority Date Filing Date Title
CN201820960251.8U CN208578846U (en) 2018-06-21 2018-06-21 Gasoline engine connecting rod

Publications (1)

Publication Number Publication Date
CN208578846U true CN208578846U (en) 2019-03-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108799317A (en) * 2018-06-21 2018-11-13 力帆实业(集团)股份有限公司 A kind of gasoline engine connecting rod

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108799317A (en) * 2018-06-21 2018-11-13 力帆实业(集团)股份有限公司 A kind of gasoline engine connecting rod

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