CN115306878A - Crankshaft connecting rod assembly for dune buggy - Google Patents

Crankshaft connecting rod assembly for dune buggy Download PDF

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Publication number
CN115306878A
CN115306878A CN202210911713.8A CN202210911713A CN115306878A CN 115306878 A CN115306878 A CN 115306878A CN 202210911713 A CN202210911713 A CN 202210911713A CN 115306878 A CN115306878 A CN 115306878A
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CN
China
Prior art keywords
oil
crank
hole
connecting rod
big end
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210911713.8A
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Chinese (zh)
Inventor
蒯月芳
刘金芳
宗安理
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Jiangsu Gangyang Co Ltd
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Jiangsu Gangyang Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Gangyang Co Ltd filed Critical Jiangsu Gangyang Co Ltd
Priority to CN202210911713.8A priority Critical patent/CN115306878A/en
Publication of CN115306878A publication Critical patent/CN115306878A/en
Pending legal-status Critical Current

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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
    • F16H—GEARING
    • F16H21/00—Gearings comprising primarily only links or levers, with or without slides
    • F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
    • F16H21/16—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and reciprocating motion
    • F16H21/18—Crank gearings; Eccentric gearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • 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
    • F16C3/00—Shafts; Axles; Cranks; Eccentrics
    • F16C3/04—Crankshafts, eccentric-shafts; Cranks, eccentrics
    • F16C3/22—Cranks; Eccentrics
    • 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
    • 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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/30—Chain-wheels
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0402—Cleaning of lubricants, e.g. filters or magnets
    • F16H57/0404—Lubricant filters
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M1/00—Pressure lubrication
    • F01M1/06—Lubricating systems characterised by the provision therein of crankshafts or connecting rods with lubricant passageways, e.g. bores
    • F01M2001/062—Crankshaft with passageways

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention provides a crankshaft connecting rod assembly for a dune buggy, wherein a bidirectional oil duct in a left crank of the crankshaft connecting rod assembly and an oil filtering structure of a crank pin are combined to form an oil filtering system for automatically filtering impurities of the crankshaft connecting rod assembly, so that the impurities in the oil duct can be filtered under a severe environment, and sufficient lubrication is provided for the rotary motion between a bearing bush in the large end of a connecting rod and the crank pin, so that the running performance of the crankshaft connecting rod assembly is more stable; the crank part of the left crank and the crank part of the right crank are both axe-shaped structures, so that the dynamic balance performance is met, and the structure is light; the thickness of the big end of the connecting rod is larger than that of the small end of the connecting rod, so that load power can be increased, and the power transmission performance is more stable.

Description

Crankshaft connecting rod assembly for dune buggy
Technical Field
The invention relates to a crankshaft assembly, in particular to a crankshaft connecting rod assembly for a dune buggy.
Background
Beach buggy crankshaft connecting rod component is the key spare part that is applied to in the all terrain vehicle engine of four-wheel, usually form by parts such as crank, crank pin, connecting rod combination, the connecting rod passes through the piston and drives behind the production linear motion, drive the crankshaft rotation by the connecting rod big end again and produce axial motion, realize a mechanical energy and turn into the process of kinetic energy, but because the product need be applied to the engine field of various road cross country cars, operational environment is abominable, consequently have characteristics crankshaft assembly such as high stability and heavy load, present crankshaft connecting rod can't reach this function, technical problems such as oilway system lubrication effect is poor and the load is not enough appear easily
Disclosure of Invention
The invention provides a crankshaft connecting rod assembly for a dune buggy, which can improve the lubricating effect of the working state of the crankshaft connecting rod assembly for the dune buggy, increase the transmission torque force and the rotary load and has more stable performance.
The invention adopts the following technical scheme: the upper part of the left crank is provided with a left crank hole, the upper part of the right crank is provided with a right crank hole, the left crank hole is opposite to the right crank hole, the two ends of the connecting rod are respectively a big end and a small end, the big end is larger than the small end, the big end is provided with a big end hole, the big end of the connecting rod is vertically inserted between the upper part of the left crank and the upper part of the right crank, the big end hole is positioned between the left crank hole and the right crank hole, the left crank hole is sequentially communicated with the big end hole and the right crank hole, the crank pin sequentially penetrates into the left crank hole, the big end hole and the right crank hole from right to left, the left end and the right end of the crank pin are respectively connected with the inner wall of the left crank hole and the inner wall of the right crank hole through interference fit, the inner wall of the big end hole is pressed into a pair of bearing bushes in an interference fit manner, the big end of the connecting rod is sleeved on the crank through the big end hole, the bearing bushes are rotatably sleeved with the crank through the big end hole, and the crank pin is connected with an oil filtering system for filtering impurities between the left crank.
Furthermore, the oil filtering system for automatically filtering impurities mainly comprises a bidirectional oil duct and a large oil cavity, the bidirectional oil duct is transversely arranged in a left crank, the large oil cavity is transversely arranged in a crank pin, the bidirectional oil duct mainly comprises a transversely arranged main oil duct, an oil inlet pipeline is arranged at the bottom of the left side of the main oil duct, the main oil duct is communicated with oil inlet equipment through the oil inlet pipeline, a lower oil outlet pipeline is vertically arranged at the lower part of the main oil duct, the lower end of the lower oil outlet pipeline is communicated with the inside of the main oil duct through the upper end of the lower oil outlet pipeline, an upper oil outlet pipeline is obliquely arranged at the upper part of the main oil duct, an oil hole I is arranged at the bottom of the large oil cavity, one end of the upper oil outlet pipeline is communicated with the main oil duct, the other end of the upper oil outlet pipeline is communicated with the large oil cavity through the oil hole I, and an oil filtering assembly is arranged in the large oil cavity.
Furthermore, the oil filtering assembly comprises an oil passing plug and an oil stopping plug, the oil stopping plug is vertically arranged in the position of an orifice on the left side of the large oil cavity, the oil stopping plug and the orifice are in interference fit, the oil passing plug is vertically arranged in the large oil cavity, the oil passing plug and the inner wall of the large oil cavity are in interference fit, a filtering oil hole is formed in the middle of the oil passing plug, an oil hole I is formed in the left side of the oil passing plug, an oil hole II is further formed in the right side of the oil passing plug, a gap between the bearing bush and the crank pin is communicated with the oil hole II, the oil passing plug is formed in the middle of the oil hole I and the oil hole II, and the upper oil outlet pipeline is communicated with the oil hole II through the oil hole I, the large oil cavity and the filtering oil hole.
Furthermore, the oil stop plug is an arc-shaped oil plug.
Furthermore, the oil plug is a vertically arranged U-shaped oil plug.
Furthermore, the right crank is sleeved with a chain wheel structure, and the chain wheel structure and the right crank form an integral structure after being forged.
Furthermore, the crank parts of the left crank and the right crank are of axe-shaped structures.
Furthermore, the thickness of the big end of the connecting rod is larger than that of the small end.
The invention has the following beneficial effects: after the technical scheme is adopted, the oil filtering structure combination of the bidirectional oil duct and the crank pin in the left crank forms the oil filtering system of the crankshaft connecting rod assembly for automatically filtering impurities, so that the impurities in the oil duct can be filtered under a severe environment, and sufficient lubrication is provided for the rotary motion between the bearing bush and the crank pin in the large end of the connecting rod, so that the running performance of the crankshaft connecting rod assembly is ensured to be more stable; the right crank is sleeved with the chain wheel structure, and the chain wheel structure and the right crank form an integral structure after being forged, so that the torque value transmitted by the chain wheel is enhanced, and the risk of torque failure is reduced; the crank part of the left crank and the crank part of the right crank are both axe-shaped structures, so that the dynamic balance performance is met, and the structure is light; the thickness of the big end of the connecting rod is larger than that of the small end of the connecting rod, so that the load power can be increased, and the power transmission performance is more stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic plan view of the present invention.
Fig. 2 is a schematic structural diagram of the oil filtering system in fig. 1.
Fig. 3 is an enlarged schematic view of fig. 2 at H.
Fig. 4 is a schematic structural diagram of the left crank and the right crank in fig. 1.
Fig. 5 is a side view of the left crank of fig. 1.
Fig. 6 is a side view of the right crank in fig. 1.
Fig. 7 is a schematic structural view of the connecting rod in fig. 1.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
In fig. 1, 4, 5 and 6, the invention provides a crankshaft connecting rod assembly for a dune buggy, which mainly comprises a left crank 1, a right crank 2, a connecting rod 3 and a crank pin 4, wherein the crank parts 1-3 of the left crank 1 and the crank parts 2-3 of the right crank 2 are all axe-shaped structures, the upper part of the left crank 1 is provided with a left crank hole 1-1, the right crank 2 is sleeved with a chain wheel structure 2-2, the chain wheel structure 2-2 and the right crank 2 are forged to form an integral structure, the upper part of the right crank 2 is provided with a right crank hole 2-1, the left crank hole 1-1 is opposite to the right crank hole 2-1, the two ends of the connecting rod 3 are respectively a big end 3-1 and a small end 3-2, the size of the big end 3-1 is larger than the small end 3-2, the thickness of the big end 3-1 of the connecting rod 3 is larger than that of the small end 3-2, in fig. 7, the thickness of the big end 3-1 of the connecting rod 3 is M, the thickness of the small end 3-2 is N, M is larger than N, a big end hole 3-1A is arranged on the big end 3-1, the big end of the connecting rod 3 is vertically inserted between the upper part of the left crank 1 and the upper part of the right crank 2, the big end hole 3-1A is positioned between the left crank hole 1-1 and the right crank hole 2-1, the left crank hole 1-1 is communicated with the big end hole 3-1A and the right crank hole 2-1 in sequence, the crank pin 4 is penetrated into the left crank hole 1-1, the big end hole 3-1A and the right crank hole 2-1 in sequence from left to right, the left end and the right end of the crank pin 4 are respectively connected with the inner wall of the left crank hole 1-1 and the inner wall of the right crank hole 2-1 in a mode through interference fit, the inner wall of the big end hole 3-1A is pressed with a pair of bearing bushes 5 in an interference manner, the pair of bearing bushes 5 are combined and then sleeved on the crank pin 4, the big end of the connecting rod 3 is sleeved on the crank pin 4 through the bearing bush 5 in the big end hole 3-1A and is rotatably connected with the crank pin 4, an oil filtering system Y for automatically filtering impurities is arranged between the left crank 1 and the crank pin 4, in figures 2 and 3, the oil filtering system Y for automatically filtering impurities mainly comprises a bidirectional oil passage 1-2 and a big oil cavity 4-1, the bidirectional oil passage 1-2 is transversely arranged in the left crank 1, the big oil cavity 4-1 is transversely arranged in the crank pin 4, the bidirectional oil passage 1-2 mainly comprises a transversely arranged main oil passage 1-2A, and the bottom of the left side of the main oil passage 1-2A is provided with an oil inlet pipeline 1-2B, the main oil gallery 1-2A is communicated with an oil inlet device through an oil inlet pipeline 1-2B, a lower oil outlet pipeline 1-2C is vertically arranged at the lower part of the main oil gallery 1-2A, the lower end of the lower oil outlet pipeline 1-2C is communicated with the interior of the main oil gallery 1-2A through the upper end of the lower oil outlet pipeline 1-2C, an upper oil outlet pipeline 1-2D is obliquely arranged at the upper part of the main oil gallery 1-2A, an oil hole I4-2 is arranged at the bottom of the large oil cavity 4-1, one end of the upper oil outlet pipeline 1-2D is communicated with the main oil gallery 1-2A, the other end of the upper oil outlet pipeline 1-2D is communicated with the large oil cavity 4-1 through the oil hole I4-2, an oil filtering assembly is arranged in the large oil cavity 4-1, the oil filtering assembly comprises an oil passing blocking K and an oil blocking Z, the oil blocking Z is an arc-shaped oil blocking head, the oil passing K is a vertically placed U-shaped oil blocking head, the oil stopping plug Z is vertically arranged in a position of an orifice 4-1A on the left side of a large oil cavity 4-1, the oil stopping plug Z is in interference fit with the orifice 4-1A, the oil passing plug K is vertically arranged in the large oil cavity 4-1, the oil passing plug K is in interference fit with the inner wall of the large oil cavity 4-1, a filtering oil hole K1 is arranged in the middle of the oil passing plug K, an oil hole I4-2 is positioned on the left side of the oil passing plug, an oil hole II 4-3 is also arranged on the right side of the oil passing plug, a gap between a bearing bush 5 and a crank pin 4 is communicated with the oil hole II 4-3, the oil passing plug K is positioned in the middle between the oil hole I4-2 and the oil hole II 4-3, and an upper oil outlet pipeline 1-2D is communicated with the oil hole II 4-3 through the oil hole I4-2, the large oil cavity 4-1 and the filtering oil hole K1.
The using process of the invention is as follows: in fig. 2, the lubricating oil of the oil feeding device of the present invention enters the main oil gallery 1-2A through the oil inlet pipeline 1-2B, the oil inlet pipeline 1-2B is an area a, and then is divided into two paths in the main oil gallery 1-2A, wherein one path passes through the lower oil outlet pipeline 1-2C, the lower end of the lower oil outlet pipeline 1-2C is a lubrication area B, the lower end of the lower oil outlet pipeline 1-2C enters the lubrication area B through the lower oil outlet pipeline 1-2C to lubricate the left crank 1, wherein the other path passes through the upper oil outlet pipeline 1-2D, the oil hole i 4-2, the large oil cavity 4-1 and the filtering oil hole K1 and enters the oil hole ii 4-3, the oil hole ii 4-3 is an area C, and then enters between the bearing bush 5 and the crank pin 4 through the oil hole ii 4-3, so as to sufficiently lubricate the rotary motion of the bearing bush 5 and the crank pin 4 in a harsh working environment, thereby providing an anti-wear effect, and ensuring more stable operation performance of the crankshaft, and in addition, the lubricating oil feeding device can pass through the filtering oil hole K to ensure the quality of the filtering oil hole 1, and the connecting rod assembly. The right crank 2 is sleeved with the chain wheel structure 2-2, the chain wheel structure 2-2 and the right crank 2 form an integral structure after forging, and compared with an external press-fitting chain wheel structure, the stability of kinetic energy transmission of the chain wheel structure 2-2 and the crankshaft rotation is enhanced, the risk of torque failure is reduced, meanwhile, the process of independently manufacturing chain wheel parts is reduced, and the management cost is reduced. The crank parts 1-3 of the left crank 1 and the crank parts 2-3 of the right crank 2 are axe-shaped structures, so that the dynamic balance performance is met, and the structure is light. The thickness of the big end 3-1 of the connecting rod 3 is larger than that of the small end 3-2, the thickness of the big end 3-1 of the connecting rod 3 is M, the thickness of the small end 3-2 is N, M is larger than N, and the big end is thicker than the small end, so that the power transmission performance is more stable.
Without being limited thereto, any changes or substitutions that are not thought of through the inventive work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (8)

1. A crankshaft connecting rod component for a beach vehicle is characterized by mainly comprising a left crank (1), a right crank (2), a connecting rod (3) and a crank pin (4), wherein a left crank hole (1-1) is formed in the upper portion of the left crank (1), a right crank hole (2-1) is formed in the upper portion of the right crank (2), the left crank hole (1-1) is opposite to the right crank hole (2-1), the two ends of the connecting rod (3) are respectively a big end (3-1) and a small end (3-2), the size of the big end (3-1) is larger than that of the small end (3-2), a big end hole (3-1A) is formed in the big end (3-1), the big end of a connecting rod (3) is vertically inserted between the upper part of a left crank (1) and the upper part of a right crank (2), a big end hole (3-1A) is positioned between a left crank hole (1-1) and a right crank hole (2-1), the left crank hole (1-1) is sequentially communicated with the big end hole (3-1A) and the right crank hole (2-1), a crank pin (4) sequentially penetrates into the left crank hole (1-1), the big end hole (3-1A) and the right crank hole (2-1) from left to right, and the left end and the right end of the crank pin (4) are respectively in interference fit with the inner wall of the left crank hole (1-1) and the right crank hole (2-1) The inner wall of the hole (2-1) is connected, the inner wall of the big end hole (3-1A) is pressed into a pair of bearing bushes (5) in an interference manner, the pair of bearing bushes (5) are sleeved on the crank pin (4) after being combined, the big end of the connecting rod (3) is sleeved on the crank pin (4) through the bearing bushes (5) in the big end hole (3-1A) and is rotationally connected with the crank pin (4), and an oil filtering system (Y) for automatically filtering impurities is arranged between the left crank (1) and the crank pin (4).
2. The crankshaft connecting rod assembly for the dune buggy as claimed in claim 1, wherein the oil filtering system (Y) for automatically filtering impurities mainly comprises a two-way oil duct (1-2) and a large oil chamber (4-1), the two-way oil duct (1-2) is transversely arranged in the left crank (1), the large oil chamber (4-1) is transversely arranged in the crank pin (4), the two-way oil duct (1-2) mainly comprises a transversely arranged main oil duct (1-2A), an oil inlet pipeline (1-2B) is arranged at the bottom of the left side of the main oil duct (1-2A), the main oil duct (1-2A) is communicated with an oil inlet device through the oil inlet pipeline (1-2B), a lower oil outlet pipeline (1-2C) is vertically arranged at the lower part of the main oil duct (1-2A), the lower end of the lower pipeline (1-2C) is communicated with the main oil duct (1-2A) through the upper end of the lower oil outlet pipeline (1-2C), the upper oil outlet pipeline (1-2C) is communicated with the main oil duct (1-2A) through the upper end of the large oil chamber (1-2D), the upper oil outlet pipeline (1-2D) is communicated with the main oil chamber (1-2A), the other end of the large oil chamber (4) is communicated with the main oil chamber (4D), an oil filter assembly is arranged in the large oil cavity (4-1).
3. The crankshaft connecting rod assembly for the dune buggy as claimed in claim 2, wherein the oil filter assembly comprises an oil passing plug (K) and an oil stopping plug (Z), the oil stopping plug (Z) is vertically installed in the position of the orifice (4-1A) on the left side of the large oil cavity (4-1), the oil stopping plug (Z) is in interference fit with the orifice (4-1A), the oil passing plug (K) is vertically installed in the large oil cavity (4-1), the oil passing plug (K) is in interference fit with the inner wall of the large oil cavity (4-1), a filtering oil hole (K1) is arranged in the middle of the oil passing plug (K), the oil hole I (4-2) is located on the left side of the oil passing plug, an oil hole II (4-3) is further arranged on the right side of the oil passing plug, a gap between the bearing bush (5) and the crank pin (4) is communicated with the oil hole II (4-3), the oil passing plug (K) is located in the middle between the oil hole I (4-2) and the oil hole II (4-3), and the oil outlet pipe (1-2) is communicated with the oil hole (4-3) through the oil hole (K-1-2).
4. The crankshaft connecting rod assembly for beach vehicle as in claim 3, wherein the oil stopper (Z) is one curved oil stopper.
5. The crankshaft connecting rod assembly for the dune buggy as claimed in claim 3, wherein the oil plug (K) is a vertically disposed U-shaped oil plug.
6. The crankshaft connecting rod assembly for the dune buggy according to claim 1, characterized in that the right crank (2) is sleeved with a chain wheel structure (2-2), and the chain wheel structure (2-2) and the right crank (2) form an integral structure after being forged.
7. The crankshaft connecting rod assembly for the dune buggy as claimed in claim 1, wherein the crank parts (1-3) of the left crank (1) and the crank parts (2-3) of the right crank (2) are all axe-shaped structures.
8. The crankshaft connecting rod assembly for beach vehicle as claimed in claim 1, in which the connecting rod (3) has a greater thickness at its large end (3-1) than at its small end (3-2).
CN202210911713.8A 2022-07-28 2022-07-28 Crankshaft connecting rod assembly for dune buggy Pending CN115306878A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210911713.8A CN115306878A (en) 2022-07-28 2022-07-28 Crankshaft connecting rod assembly for dune buggy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210911713.8A CN115306878A (en) 2022-07-28 2022-07-28 Crankshaft connecting rod assembly for dune buggy

Publications (1)

Publication Number Publication Date
CN115306878A true CN115306878A (en) 2022-11-08

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ID=83858296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210911713.8A Pending CN115306878A (en) 2022-07-28 2022-07-28 Crankshaft connecting rod assembly for dune buggy

Country Status (1)

Country Link
CN (1) CN115306878A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116379061A (en) * 2023-02-06 2023-07-04 罡阳轴研科技(灌云)有限公司 Assembled motorcycle crankshaft and preparation process thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116379061A (en) * 2023-02-06 2023-07-04 罡阳轴研科技(灌云)有限公司 Assembled motorcycle crankshaft and preparation process thereof
CN116379061B (en) * 2023-02-06 2024-01-12 罡阳轴研科技(灌云)有限公司 Assembled motorcycle crankshaft and preparation process thereof

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