CN104455293B - Crankshaft and connecting rod mechanism small in frication resistance in movement process - Google Patents
Crankshaft and connecting rod mechanism small in frication resistance in movement process Download PDFInfo
- Publication number
- CN104455293B CN104455293B CN201410651631.XA CN201410651631A CN104455293B CN 104455293 B CN104455293 B CN 104455293B CN 201410651631 A CN201410651631 A CN 201410651631A CN 104455293 B CN104455293 B CN 104455293B
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- CN
- China
- Prior art keywords
- connecting rod
- bent axle
- pin
- hole
- crankshaft
- 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.)
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Classifications
-
- 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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
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- 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
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- 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
- F01M9/00—Lubrication means having pertinent characteristics not provided for in, or of interest apart from, groups F01M1/00 - F01M7/00
- F01M9/06—Dip or splash lubrication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B75/00—Other engines
- F02B75/32—Engines characterised by connections between pistons and main shafts and not specific to preceding main groups
-
- 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
- F16C5/00—Crossheads; Constructions of connecting-rod heads or piston-rod connections rigid with crossheads
-
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2702/00—Combinations of two or more transmissions
Abstract
The invention relates to a crankshaft and connecting rod mechanism small in frication resistance in the movement process. The crankshaft and connecting rod mechanism comprises a connecting rod and a crankshaft connecting box, wherein the upper end of the connecting rod is connected with the lower end of a piston rod rotationally; a crankshaft connecting cover comprises a crankshaft connecting upper cover and a crankshaft connecting lower cover located under the crankshaft connecting upper cover, the crankshaft connecting upper cover is detachably connected with the crankshaft connecting lower cover, one end of the bottom of the crankshaft connecting lower cover extends obliquely downwards to form an oil leak block, and the crankshaft connecting lower cover and the oil leak block are of an integrated structure; a connecting rod oil storage groove is formed in the inner wall of a groove in the upper end of the connecting rod in the peripheral direction, the two lateral walls of the groove are each provided with an oil hole, one end of each oil hole is communicated with the connecting rod oil storage groove, and the other end of each oil hole is communicated with a first pin hole. The crankshaft and connecting rod mechanism small in frication resistance in the movement process resolves the problems in the prior art that as the structure is complex, the demand for compressed air is large, and a connecting rod and a piston rod are integrated, the structural strength is poor, and then fracture is easily caused.
Description
Technical field
The present invention relates to electromotor spare and accessory parts, refer specifically to frictional resistance little crankshaft connecting rod system during motion.
Background technology
Crankshaft connecting rod system is the important arrangement components in crankcase structure, in the crankshaft connecting rod system of existing crankcase
In, the structure that counterweight connects gear is generally used, the crankcase of this structure is easy during crankcase runs up
Larger frictional resistance is produced, crankshaft-link rod is caused to seize up, crankshaft-link rod frequently withstands shocks load greatly, makes crankshaft-link rod
Serious wear, causes the excessive temperature rise of crankshaft-link rod, the disconnected bar of connecting rod occurs so that the phenomenon such as excessively heated axle.In addition, in the bent axle course of work,
The lubrication of the piston rod pin of the connection connecting rod and piston rod performance overall for electromotor has material impact, but existing structure
In, the lubricating condition of piston rod pin is always poor, it is difficult to meet needs.Further, since complex structure, compressed air demand compared with
Greatly, connecting rod and piston rod one, and easily cause structural strength it is not enough occur fracture the problems such as.
The content of the invention
For the problems referred to above that prior art is present, it is an object of the invention to provide a kind of piston rod and connecting rod split and company
Connect the crankshaft connecting rod system for locating not easy fracture.
For achieving the above object, the present invention is adopted the following technical scheme that：Frictional resistance little crankshaft connecting rod system during motion,
Including connecting rod and bent axle connection lid, the lower end of the connecting rod is connected by bent axle connection lid with bent axle, is provided with the bent axle
Counterweight, in the left and right sides of counterweight a pair of cams axle is provided with being respectively symmetrically, and on the camshaft gear is provided with；It is described
The upper end of connecting rod is connected with piston rod, and the top of piston rod is connected with spark plug, in the both sides of piston rod, is symmetrically arranged with and pushes away
Rod tube body, is provided with push rod in push rod body, push rod can the activity back and forth in push rod body；The upper end of the connecting rod has recessed
Groove, has respectively the first coaxial pin-and-hole on two side walls of the groove, the lower end of the piston rod is cylindrical structure, piston
The lower end of bar has the second pin-and-hole；The lower end of piston rod is arranged in the groove, and the outer surface of the lower end of piston rod with it is recessed
The inner surface of groove has gap；Also include connecting pin, the connecting pin sequentially passes through the first pin-and-hole on one side wall of groove, the second pin
The first pin-and-hole on hole and groove another side wall, and connecting pin and the first pin-and-hole and the second pin-and-hole gap coordinate；The bent axle
Connection lid includes the bent axle connection lower cover for covering in bent axle connection and being disposed below, in the bent axle connection under lid and bent axle connection
Lid is detachably connected；Cover in the bent axle connection and be fixedly connected with the lower end of connecting rod, the connecting rod lower end has screwed hole, bent axle
Connection boss is fixed with lid in connection, the periphery of the connection boss is threaded, connection boss stretches into connecting rod lower end
In screwed hole, and the screw thread on the screwed hole of connecting rod lower end is engaged with the screw thread being connected on boss；The bent axle connects lower cover
One end of bottom extends obliquely, and oil clot is got rid of in formation, bent axle connection lower cover and gets rid of oil clot and is structure as a whole；The small end is recessed
The inwall of groove, is circumferentially provided with connecting rod oil storage tank, further respectively has oilhole on two side walls of groove, one end of the oilhole with
Connecting rod oil storage tank is connected, and the other end is connected with the first pin-and-hole.
Used as optimization, the two ends of the connecting pin are provided with snap ring.
Relative to prior art, the invention has the advantages that：Piston rod in prior art and connecting rod are integrally divided into into work
Two parts of stopper rod and connecting rod, and linked together by pivot pin, connecting rod opposing pistons bar may be rotated, and solve existing skill
The structural strength deficiency caused due to complex structure, larger compressed air demand, connecting rod and piston rod one in art is drawn
The problems such as easy fracture for rising；The setting of connecting rod oil storage tank and oilhole, when electromotor is in rotary work state, gets rid of oil clot contact
Machine oil in crankcase simultaneously makes it splash, and the machine oil of splashing is stored in oil storage tank, under the influence of centrifugal force into oilhole, profit
Slip pin and the first pin-and-hole.
Description of the drawings
Fig. 1 is the front view of crankshaft connecting rod system.
Fig. 2 is the enlarged drawing at Figure 1A.
Fig. 3 is the side-looking assembling structure schematic diagram of Fig. 1 crankshaft connecting rod systems.
Description of reference numerals：Connecting rod 10, groove 11, connecting pin 12, bent axle 20, counterweight 21, camshaft 22, gear 23,
The upper lid 31 of bent axle connection, bent axle connection lower cover 32, piston rod 40, push rod body 41, push rod 42, spark plug 50.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
In describing the invention, it is to be understood that term " on ", D score, "front", "rear", "left", "right",
" top ", " bottom " " interior ", " outward ", etc. instruction orientation or position relationship be, based on orientation shown in the drawings or position relationship, to be only
For the ease of the description present invention and simplified description, rather than indicate or imply that the device or element of indication there must be specifically side
Position, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
Additionally, " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or imply
Ground includes one or more this feature.In describing the invention, " multiple " are meant that two or more, unless
Separately there is clearly specific restriction.
Referring to Fig. 1 to Fig. 3, frictional resistance little crankshaft connecting rod system during motion, including connecting rod and bent axle connection lid, institute
The lower end for stating connecting rod is connected by bent axle connection lid with bent axle, counterweight is provided with the bent axle, in the left and right two of counterweight
Side is provided with a pair of cams axle with being respectively symmetrically, and on the camshaft gear is provided with；The upper end of the connecting rod is connected with piston rod,
The top of piston rod is connected with spark plug, in the both sides of piston rod, is symmetrically arranged with push rod body, is provided with push rod body
Push rod, push rod can the activity back and forth in push rod body.Employ and install on bent axle counterweight, set respectively in the both sides of counterweight
Camshaft is put, gear is installed on camshaft, in the upper end of connecting rod piston rod is connected, spark plug is installed on piston rod and drives push rod
Frame mode, makes crankshaft-link rod not produce temperature rise as much as possible in operation, makes whole crankshaft connecting rod system have frictional resistance
It is little, operate it is unobstructed, abrasion less and impact not loaded advantage.
The upper end of connecting rod has groove, has the first coaxial pin-and-hole on two side walls of the groove respectively, piston rod
Lower end is cylindrical structure, and the lower end of piston rod has the second pin-and-hole；The lower end of piston rod is arranged in the groove of small end,
And the outer surface of small end has gap with the inner surface of groove.Also include connecting pin, the connecting pin sequentially passes through groove one
The first pin-and-hole on the first pin-and-hole on the wall of side, the second pin-and-hole and groove another side wall, and connecting pin and the first pin-and-hole and
Two pin-and-hole gaps coordinate, and connecting rod is rotated by axle of connecting pin with groove.
Bent axle connection lid includes the bent axle connection lower cover for covering in bent axle connection and being disposed below, bent axle connection Shang Gai and song
Axle connection lower cover is detachably connected.Lid be connected lower cover with bent axle and is half nahlock in bent axle connection, and bent axle connects and covers and bent axle
The arranged on left and right sides of half nahlock of connection lower cover has vertical threaded coaxial hole, respectively the first screwed hole and the second spiral shell
Pit.Lid is identical with the radius that bent axle connects lower cover in the bent axle connection of half nahlock, and relative plane Jing of two and half nahlocks
Cross polishing processing.Lid is connected lower cover with bent axle by passing through the first connecting rod bolt of the first circular hole and through second in bent axle connection
The second connecting rod bolt of circular hole, connects bent axle lid and is connected lower cover with bent axle and links together.
Cover in bent axle connection and be fixedly connected with the lower end of connecting rod, connecting rod is connected lid with bent axle can be processed as entirety,
Connection boss can be fixed with lid on connecting rod lower end thread mill drilling, bent axle connection, be processed in the periphery of the connection boss
Have screw thread, the connection boss is stretched in the screwed hole of connecting rod lower end, the screw thread on the screwed hole of connecting rod lower end be connected boss
On screw thread be engaged, make connecting rod lower end be connected top cap with bent axle and connect, bent axle is connected on the lower lid of bent axle connection, this connection
Mode is more convenient for overhauling and is dismantled.
One end of bent axle connection lower cover bottom extends obliquely, and oil clot is got rid of in formation, and bent axle connection lower cover is one with oil clot is got rid of
Body structure, when being embodied as, bent axle connection lower cover and is got rid of oil clot and is integrated by forging molding by aluminium alloy.
The inwall of small end groove, is circumferentially provided with connecting rod oil storage tank, i.e. the cambered surface direction along the inwall of groove and is provided with company
Bar oil storage tank, the setting of connecting rod oil storage tank can be such that the machine oil splashed in crankcase is being stored in connecting rod oil storage tank, in groove
Two side walls on further respectively have oilhole, one end of oilhole connects with connecting rod oil storage tank, and the other end is connected with the first pin-and-hole, oil
Being mainly used for of hole lubricates connecting pin and the first pin-and-hole.
The two ends of connecting pin are provided with snap ring, prevent connecting pin from deviating from from the second pin-and-hole and a pair first pin-and-holes.Even
Lever pin reinstalls snap ring after loading in the second pin-and-hole and a pair first pin-and-holes.The preferred forging clasp of snap ring, it is also possible to according to need choosing
Select bending clasp, back-action clasp, combined clasp, half and half clasp.
Finally illustrate, above example is only unrestricted to illustrate technical scheme, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, it all should cover at this
The right of invention will be in book.
Claims (2)
1. frictional resistance little crankshaft connecting rod system when moving, including connecting rod and bent axle connection lid, it is characterised in that：
The lower end of the connecting rod is connected by bent axle connection lid with bent axle, counterweight is provided with the bent axle, in counterweight
The left and right sides is provided with a pair of cams axle with being respectively symmetrically, and on the camshaft gear is provided with；
The upper end of the connecting rod is connected with piston rod, and the top of piston rod is connected with spark plug, symmetrical in the both sides of piston rod
Push rod body is provided with, push rod is provided with push rod body, push rod can the activity back and forth in push rod body；
The upper end of the connecting rod has groove, has the first coaxial pin-and-hole, the piston on two side walls of the groove respectively
The lower end of bar is cylindrical structure, and the lower end of piston rod has the second pin-and-hole；The lower end of piston rod is arranged in the groove, and
The outer surface of the lower end of piston rod has gap with the inner surface of groove；Also include connecting pin, the connecting pin sequentially passes through groove one
The first pin-and-hole on the first pin-and-hole on individual side wall, the second pin-and-hole and groove another side wall, and connecting pin and the first pin-and-hole and
Second pin-and-hole gap coordinates；
The bent axle connection lid includes the bent axle connection lower cover for covering in bent axle connection and being disposed below, and covers in the bent axle connection
It is detachably connected with bent axle connection lower cover；Lid be connected lower cover with bent axle and is half nahlock in bent axle connection, cover in bent axle connection and
The arranged on left and right sides of half nahlock of bent axle connection lower cover has vertical threaded coaxial hole；
Cover in the bent axle connection and be fixedly connected with the lower end of connecting rod, the connecting rod lower end has screwed hole, covers in bent axle connection
On be fixed with connection boss, the periphery of the connection boss is threaded, connection boss stretch in the screwed hole of connecting rod lower end,
And the screw thread on the screwed hole of connecting rod lower end is engaged with the screw thread being connected on boss；
One end of the bent axle connection lower cover bottom extends obliquely, and oil clot is got rid of in formation, and bent axle connection lower cover is one with oil clot is got rid of
Body structure；The inwall of the small end groove, is circumferentially provided with connecting rod oil storage tank, further respectively has on two side walls of groove
Oilhole, one end of the oilhole connects with connecting rod oil storage tank, and the other end is connected with the first pin-and-hole.
2. frictional resistance little crankshaft connecting rod system when moving as claimed in claim 1, it is characterised in that：The connecting pin
Two ends are provided with snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410651631.XA CN104455293B (en) | 2014-11-17 | 2014-11-17 | Crankshaft and connecting rod mechanism small in frication resistance in movement process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410651631.XA CN104455293B (en) | 2014-11-17 | 2014-11-17 | Crankshaft and connecting rod mechanism small in frication resistance in movement process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455293A CN104455293A (en) | 2015-03-25 |
| CN104455293B true CN104455293B (en) | 2017-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410651631.XA Active CN104455293B (en) | 2014-11-17 | 2014-11-17 | Crankshaft and connecting rod mechanism small in frication resistance in movement process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455293B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2804501Y (en) * | 2005-06-01 | 2006-08-09 | 上海齐耀动力技术有限公司 | Piston rod and connecting.rod assembly for engine |
| CN201310408Y (en) * | 2008-12-11 | 2009-09-16 | 四川金星石油化工机械设备有限公司 | Engine link transmission mechanism |
| CN204300265U (en) * | 2014-11-17 | 2015-04-29 | 重庆翼虎动力机械有限公司 | A kind of crankshaft & connecting that surface friction drag is little when moving |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0772587B2 (en) * | 1993-02-18 | 1995-08-02 | 帝人製機株式会社 | Linear motion mechanism |
| US7344467B2 (en) * | 2005-04-18 | 2008-03-18 | Clifford Orval Daniels | Self-regulating continuously variable transmission |
| JP2011163521A (en) * | 2010-02-15 | 2011-08-25 | Aisin Seiki Co Ltd | Rotary drive unit |
-
2014
- 2014-11-17 CN CN201410651631.XA patent/CN104455293B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2804501Y (en) * | 2005-06-01 | 2006-08-09 | 上海齐耀动力技术有限公司 | Piston rod and connecting.rod assembly for engine |
| CN201310408Y (en) * | 2008-12-11 | 2009-09-16 | 四川金星石油化工机械设备有限公司 | Engine link transmission mechanism |
| CN204300265U (en) * | 2014-11-17 | 2015-04-29 | 重庆翼虎动力机械有限公司 | A kind of crankshaft & connecting that surface friction drag is little when moving |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104455293A (en) | 2015-03-25 |
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