CN201053334Y - Lubrication structure of crankshaft connecting rod system - Google Patents
Lubrication structure of crankshaft connecting rod system Download PDFInfo
- Publication number
- CN201053334Y CN201053334Y CNU2007201243947U CN200720124394U CN201053334Y CN 201053334 Y CN201053334 Y CN 201053334Y CN U2007201243947 U CNU2007201243947 U CN U2007201243947U CN 200720124394 U CN200720124394 U CN 200720124394U CN 201053334 Y CN201053334 Y CN 201053334Y
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- China
- Prior art keywords
- crankshaft
- oil
- hole
- oil duct
- bent axle
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- Expired - Fee Related
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- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a lubrication structure for crankshaft connecting rod mechanism, wherein, communicated oil channels are respectively arranged on a crankshaft and a crank pin of a crankshaft connecting rod mechanism; the crankshaft is supported by a crankshaft box body; the position where the crankshaft box body supports the crankshaft is provided with a straight hole shape oil pipe; one end of the oil pipe is connected with an oil conveying pipe, and the other end of the oil pipe is communicated with a shaft hole on the crankshaft box body for supporting the crankshaft and is also communicated with the oil channel on the crankshaft; two axial ends of the oil channel of the crankshaft are closed; a crank part is provided with a radial inclined hole communicated with the crank pin; the position supported by the crankshaft box body is provided with a radial through hole; a matched shaft sleeve provided with an oil duct is arranged between the crankshaft and the crankshaft box body to communicate the oil channels of the crankshaft and the crankshaft box body. Through the oil channel which is directly arranged on the crankshaft box body for connecting the oil conveying pipe, the utility model omits to design and lay out oil channels on a crankshaft box cover, simplifies the structure of lubrication oil channels, shortens the route of lubrication oil channels, ensures that the impurities inside the oil channels are easy to clean during engine maintenance, and decreases the design and the manufacture difficulties of the crankshaft box and the crankshaft box cover.
Description
Technical field
The utility model relates to the motorcycle engine oil leab, particularly a kind of lubricating structure of motor rate law of Crankshaft-Link mechanism in engine.
Background technique
The motorcycle engine crankshaft linkage mechanism mainly is made up of bent axle, connecting rod, piston, cylinder body etc.The lubricated of crankshaft ﹠ connecting generally is by having the oil lubricating of pressure.It carries the mode of lubricant oil is to cover at right crankcase, right crankcase oil duct is set, normally cover the irregular oil duct of the direct casting pole of figure at right crankcase, right crankcase, two oil ducts are communicated with, and on bent axle processing an axial hole oil duct, bent axle stretches in the right crankcase cover counterbore, communicate with the oil duct in the right crankcase cover, the oil duct on the bent axle is communicated with the oilhole of the crank pin of articulated linkage.Machine oil enters oil duct in the right crankcase from the oil outlet of oil pump, enters the oil duct in the right crankcase cover then, enters crank pin by the oil duct on the bent axle again, and crankshaft ﹠ connecting is lubricated.
Because casting is produced on the oil duct that right crankcase, right crankcase cover, need to arrange that according to the moulding of right crankcase, right crankcase cover its pole of figure is irregular, complicated layout, the Mold Making difficulty is for the shape-designing of right crankcase, right crankcase cover increases difficulty.Simultaneously, because the oil duct pole of figure is irregular, cause the long-pending impurity that becomes silted up in oil duct also to be difficult to clean up, causing oil duct to become silted up easily and hindering influences fuel feeding; And oil duct in not have the removing impurity in a single day enter crankshaft ﹠ connecting, can cause crankshaft ﹠ connecting stuck, bearing burns out.For the motor of some big discharge capacities, because bent axle is very long, processing through hole oil duct is all very high to the requirement of cutter and equipment on this bent axle, thereby the input of frock is bigger, causes the cost of motor to increase.
Summary of the invention
The purpose of this utility model is at the deficiencies in the prior art, a kind of lubricating structure of motorcycle engine crankshaft linkage mechanism is provided, it connects transport pipe by oil duct directly is set on crankcase body, saved design arrangement oil duct on the crankcase cover, simplified the structure of oil leab, shortened the route of oil leab, the impurity when making engine maintenance in the oil duct washes easily, and has reduced design, the manufacture difficulty of crankcase and crankcase cover.
The technical solution of the utility model is achieved in that the bent axle of crankshaft ﹠ connecting and crank pin are provided with the oil duct that communicates, bent axle is supported in crankcase body, the position that crankcase body supports bent axle is provided with poroid always oil duct, this oil duct one end is connected with a transport pipe, the other end is communicated with the axis hole of crankcase body upper support bent axle, and communicate with the oil duct on the bent axle, the two axial ends sealing of the oil duct on the bent axle, it is positioned at the inclined hole that crank portion is provided with radially and communicates with crank pin, it is positioned at by the crankcase body supporting portion and is provided with radial direction through hole, is combined with an axle sleeve that is provided with oil duct between bent axle and the crankcase body oil duct of bent axle and crankcase body is communicated with.
Owing to adopted such scheme, the position of supporting bent axle at crankcase body is provided with poroid always oil duct, makes this oil duct help machining and forms, and can reduce the manufacture difficulty of this oil duct, guarantees smooth in the oil duct, prevents that the oil duct inner product from becoming silted up.This oil duct one end is connected with a transport pipe, the other end is communicated with the axis hole of crankcase body upper support bent axle, and communicate with the oil duct on the bent axle, adopt transport pipe to connect the oil duct of crankcase body and communicate with oil duct on the bent axle, can save design on crankcase cover, arrange oil duct, reduce design, the manufacture difficulty of crankcase and crankcase cover, reduce cost.The two axial ends sealing of the oil duct on the bent axle, it is positioned at the inclined hole that crank portion is provided with radially and communicates with crank pin, it is positioned at by the crankcase body supporting portion and is provided with radial direction through hole, the working depth of oil duct on the bent axle is shortened, be beneficial to machining, especially be beneficial to the crankshaft oil gallery processing of the long large-duty engine of bent axle, can simplify the frock design, reduce the input funds of frock.Being combined with an axle sleeve that is provided with oil duct between bent axle and the crankcase body is communicated with the oil duct of bent axle and crankcase body, the oil duct of axle sleeve is made of jointly inside and outside annular oil groove and through hole, the oil duct that is communicated with bent axle and crankcase body by the oil duct of axle sleeve, make the inside and outside annular oil groove that can be full of axle sleeve through the lubricant oil of the oil duct of axle sleeve, lubricant oil also can enter crankshaft oil gallery incessantly when guaranteeing crankshaft rotating, avoids fuel feeding to produce intermittence and interrupts.An end that is connected with transport pipe at the straight hole shape oil duct of crankcase body is provided with screw thread, is connected with the oil connection of transport pipe by the oil pipe bolt, makes the ease of connection of transport pipe and crankcase body oil duct and firmly.
The lubricating structure of this crankshaft ﹠ connecting is because the oil duct route is shorter relatively, and the linking of straight hole, annular groove is all adopted in each section junction, convenient when making engine maintenance clean oil duct like this, easy, it is also convenient to dismantle simultaneously, install, can reduce the long-pending silt of impurity in oil duct, guarantee the proper functioning of crankshaft ﹠ connecting, prolong the working life of each parts of crankshaft ﹠ connecting.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of axle sleeve of the present utility model;
Fig. 3 is that A-A among Fig. 2 is to sectional drawing.
In the accompanying drawing, 1 is transport pipe, and 2 is copper washer, and 3 is the oil pipe bolt, 3a is an axial blind hole, and 3b is the through hole of bar portion, and 4 is oil connection, and 4a is an annular groove, 5 is right crankcase, and 6 is straight hole shape oil duct, and 7 is axle sleeve, and 7a is interior annular oil groove, 7b is the outer ring oil groove, and 7c is a through hole, and 8 is seal ring, and 9 is right bent axle, 10 is radial direction through hole, and 11 is oil duct, and 12 is inclined hole, and 13 is bearing, 14 is plug, and 15 is crank pin, and 16 is left bent axle, and 17 for being used to install the circular groove of seal ring.
Embodiment
Referring to Fig. 1 to Fig. 3, the piston rod of the crankshaft ﹠ connecting of motor is between left bent axle 16 and right bent axle 9, hinged by crank pin 15 with the crank of left and right bent axle, right bent axle 9 and crank pin 15 are provided with the oil duct that communicates, and right bent axle 9 is supported in axis hole on the right crankcase 5 by bearing 13.Right position by axle box 5 supports right bent axles 9 is provided with the straight hole shape oil duct 6 that a machining forms, these straight hole shape oil duct 6 one ends are connected with a transport pipe 1, the oil outlet (not shown) of the other end junctor oil pump of transport pipe 1, the end that straight hole shape oil duct 6 is connected with transport pipe 1 is provided with screw thread, is connected with the oil connection 4 of transport pipe 1 by oil pipe bolt 3.Described oil connection 4 is welded on transport pipe 1 end, and oil connection 4 is provided with the via hole that fuel supply line bolt 3 passes, and the via hole inwall is provided with an annular groove 4a, and oil connection 4 walls are provided with a radial direction through hole and are communicated with annular groove 4a, and radial direction through hole is communicated with transport pipe 1.The bar portion of described oil pipe bolt 3 is provided with the axial blind hole 3a and the through hole 3b of bar portion radially, axial blind hole 3a and radially the through hole 3b of bar portion communicate.Oil pipe bolt 3 Spielpassung are fastenedly connected with straight hole shape oil duct 6 screw-thread fit in the via hole of oil connection 4, and the both ends of the surface of the via hole of oil connection 4 are respectively equipped with copper washer 2, to guarantee reliable sealing effect.The other end of described straight hole shape oil duct 6 is communicated with the axis hole of the right bent axle 9 of right crankcase 5 upper supports, and communicates with oil duct 11 on the right bent axle 9.Oil duct 11 adopts from the crank end of right bent axle 9 and processes a blind hole on the right bent axle 9, and the aperture of blind hole forms the oil duct 11 that two axial ends seal with plug 14 shutoff.This oil duct 11 is positioned at the inclined hole 12 that crank portion is provided with radially and communicates with crank pin 15 as oil outlet, and it is positioned at by the crankcase body supporting portion and is provided with radial direction through hole 10, and this radial direction through hole 10 runs through the axostylus axostyle at this place, as the oil inlet hole of oil duct 11.Being combined with an axle sleeve 7 that is provided with oil duct between right bent axle 9 and the right crankcase 5 is communicated with the oil duct of right bent axle and right crankcase.Described axle sleeve 7 is provided with the through hole 7c that radially runs through axle sleeve, be respectively equipped with the interior annular oil groove 7a, the outer ring oil groove 7b that are communicated with through hole 7c on the inside and outside wall of axle sleeve 7, inside and outside annular oil groove 7a, 7b and the through hole 7c of axle sleeve 7 constitute oil duct jointly, and inside and outside annular oil groove 7a, 7b can guarantee constantly to be communicated with oil duct on right bent axle 9 and the right crankcase 5 as shoe cream room.Also respectively be provided with two circular grooves 17 that are used to install seal ring on the inside and outside wall of described axle sleeve 7, these circular grooves are located at the both sides of annular oil groove 7a, 7b respectively, axle sleeve 7 is enclosed within on the right bent axle 9, be engaged in the axis hole of right crankcase 5, its matching gap is installed O RunddichtringO 8 sealings of circular groove 17 settings of seal ring by being used on the inside and outside wall, lubricant oil can not be leaked.
The utility model adopts the straight hole shape oil duct 6 on transport pipe 1 junctor oil pump and the right crankcase 5, saved at right crankcase and covered the trouble that oil duct is set, the lubricant oil of motor from oil pump through transport pipe 1, pass through the oil duct of oil pipe bolt 3, right crankcase 5, axle sleeve 7 and right bent axle 9 successively, enter the oil duct of crank pin 15, the component cooperation place that is used for lubricated crankshaft ﹠ connecting, not only shortened the oil duct circuit, and simplified the oil duct on the right crankcase and designed, make oil duct be convenient to clean, make lubricating of crankshaft ﹠ connecting more reliable.
Lubricating structure of the present utility model is particularly useful for the oil duct design of large emission infinite variable speed engine.
Claims (6)
1. the lubricating structure of a crankshaft ﹠ connecting, the bent axle of crankshaft ﹠ connecting and crank pin are provided with the oil duct that communicates, bent axle is supported in crankcase body, it is characterized in that: the position that crankcase body supports bent axle is provided with poroid always oil duct, this oil duct one end is connected with a transport pipe, the other end is communicated with the axis hole of crankcase body upper support bent axle, and communicate with the oil duct on the bent axle, the two axial ends sealing of the oil duct on the bent axle, it is positioned at the inclined hole that crank portion is provided with radially and communicates with crank pin, it is positioned at by the crankcase body supporting portion and is provided with radial direction through hole, is combined with an axle sleeve that is provided with oil duct between bent axle and the crankcase body oil duct of bent axle and crankcase body is communicated with.
2. the lubricating structure of crankshaft ﹠ connecting according to claim 1, it is characterized in that: described axle sleeve is provided with the through hole that radially runs through axle sleeve, be respectively equipped with the inside and outside annular oil groove that is communicated with through hole on the inside and outside wall of axle sleeve, the inside and outside annular oil groove and the through hole of axle sleeve constitute oil duct jointly.
3. the lubricating structure of crankshaft ﹠ connecting according to claim 1 and 2, it is characterized in that: respectively be provided with two circular grooves that are used to install seal ring on the inside and outside wall of described axle sleeve, these circular grooves are located at the both sides of annular oil groove respectively.
4. the lubricating structure of crankshaft ﹠ connecting according to claim 1, it is characterized in that: the end that the straight hole shape oil duct of described crankcase body is connected with transport pipe is provided with screw thread, is connected with the oil connection of transport pipe by the oil pipe bolt.
5. the lubricating structure of crankshaft ﹠ connecting according to claim 4 is characterized in that: the bar portion of described oil pipe bolt is provided with the axial blind hole and the through hole of bar portion radially, axial blind hole and radially the through hole of bar portion communicate.
6. the lubricating structure of crankshaft ﹠ connecting according to claim 4, it is characterized in that: described oil connection is provided with the via hole that the fuel supply line bolt passes, the via hole inwall is provided with an annular groove, and the oil connection wall is provided with a radial direction through hole and is communicated with annular groove, and radial direction through hole is communicated with transport pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201243947U CN201053334Y (en) | 2007-05-31 | 2007-05-31 | Lubrication structure of crankshaft connecting rod system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201243947U CN201053334Y (en) | 2007-05-31 | 2007-05-31 | Lubrication structure of crankshaft connecting rod system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053334Y true CN201053334Y (en) | 2008-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201243947U Expired - Fee Related CN201053334Y (en) | 2007-05-31 | 2007-05-31 | Lubrication structure of crankshaft connecting rod system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053334Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140946A (en) * | 2011-03-31 | 2011-08-03 | 力帆实业(集团)股份有限公司 | Lubrication structure of connecting rod large-head roller pin for dune buggy engine |
| CN102926837A (en) * | 2012-11-13 | 2013-02-13 | 力帆实业(集团)股份有限公司 | Lubricating system for crank-connecting rod mechanism of high-rotation gasoline engine |
| CN104696490A (en) * | 2013-12-05 | 2015-06-10 | 本田技研工业株式会社 | Buncher |
| CN105422311A (en) * | 2015-12-04 | 2016-03-23 | 隆鑫通用动力股份有限公司 | Diesel engine crank case structure and diesel engine |
| CN105415742A (en) * | 2015-12-30 | 2016-03-23 | 二重集团（德阳）重型装备股份有限公司 | Connecting rod lubricating device of hot die forging press |
| CN105697187A (en) * | 2016-03-17 | 2016-06-22 | 江苏林海动力机械集团公司 | Pressure boosting and maintaining device for engine lubricating system |
-
2007
- 2007-05-31 CN CNU2007201243947U patent/CN201053334Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140946A (en) * | 2011-03-31 | 2011-08-03 | 力帆实业(集团)股份有限公司 | Lubrication structure of connecting rod large-head roller pin for dune buggy engine |
| CN102140946B (en) * | 2011-03-31 | 2012-08-08 | 力帆实业(集团)股份有限公司 | Lubrication structure of connecting rod large-head roller pin for dune buggy engine |
| CN102926837A (en) * | 2012-11-13 | 2013-02-13 | 力帆实业(集团)股份有限公司 | Lubricating system for crank-connecting rod mechanism of high-rotation gasoline engine |
| CN104696490A (en) * | 2013-12-05 | 2015-06-10 | 本田技研工业株式会社 | Buncher |
| CN104696490B (en) * | 2013-12-05 | 2017-05-17 | 本田技研工业株式会社 | Buncher |
| CN105422311A (en) * | 2015-12-04 | 2016-03-23 | 隆鑫通用动力股份有限公司 | Diesel engine crank case structure and diesel engine |
| CN105415742A (en) * | 2015-12-30 | 2016-03-23 | 二重集团（德阳）重型装备股份有限公司 | Connecting rod lubricating device of hot die forging press |
| CN105415742B (en) * | 2015-12-30 | 2017-03-29 | 二重集团（德阳）重型装备股份有限公司 | Hotdie forging press connecting rod lubrication device |
| CN105697187A (en) * | 2016-03-17 | 2016-06-22 | 江苏林海动力机械集团公司 | Pressure boosting and maintaining device for engine lubricating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20120531 |