CN205823469U - A kind of cylinder of motorcycle engine assembly - Google Patents

A kind of cylinder of motorcycle engine assembly Download PDF

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Publication number
CN205823469U
CN205823469U CN201620479140.6U CN201620479140U CN205823469U CN 205823469 U CN205823469 U CN 205823469U CN 201620479140 U CN201620479140 U CN 201620479140U CN 205823469 U CN205823469 U CN 205823469U
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China
Prior art keywords
cylinder head
head body
combustor
cylinder
rocker arm
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Active
Application number
CN201620479140.6U
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Chinese (zh)
Inventor
陈中
李豫玲
陈锡强
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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Priority to CN201620479140.6U priority Critical patent/CN205823469U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The utility model discloses a kind of cylinder of motorcycle engine assembly, including cylinder head body, rocker arm support and camshaft, cylinder head body and rocker arm support casting respectively, rocker arm support is mounted by means of bolts on cylinder head upper surface;Be respectively equipped with the arcuate groove of correspondence at cylinder head body upper surface and rocker arm support lower surface, described camshaft is arranged on lower arcuate groove and surrounds in formation circular channel and lie across directly over chain chamber.It is respectively provided with water cavity this internal being positioned at above two combustor of cylinder head, is positioned at each combustor at cylinder head body lower surface and is provided around some water inlets, in the middle part of this body side surface of cylinder head, be provided with outlet.This cylinder head assembly not only compact conformation, it is simple to the layout on Finished Motorcycle of motorcycle, and there is good radiating effect, by the way of split casting assembles again so that cylinder head self is easily processed, and is the most also beneficial to the installation of camshaft.

Description

A kind of cylinder of motorcycle engine assembly
Technical field
This utility model relates to motorcycle engine, particularly relates to motorcycle bi-block engine air cylinder head structure and improves, belongs to In motorcycle cylinder head technical field.
Background technology
Cylinder head is one of very important vital part of motorcycle engine, and its effect is the swept volume forming cylinder Guide with for piston movement, work under the conditions of high temperature, high pressure, insufficient lubrication, alternate load and corrosion etc..Cylinder head sets There are the air intake duct for intake and exhaust, exhaust duct, on cylinder head, are also equipped with the rocker arm support for installing rocking arm and igniting simultaneously With spark plug etc..For increasing film-cooled heat, it is ensured that heat radiation fully, is cast with many fin at its outer surface, and has substantial amounts of Support muscle.For the bi-block engine cylinder head of huge discharge, it is desirable to electromotor compactedness is good, in order to electromotor is on vehicle frame Layout, but the fin designed based on heat radiation and structural compactness define conflict, and fin can make electromotor Overall dimensions increases, unfavorable to mounting arrangements.If reduction heat sink sizes, although helpful to structural compactness, but heat radiation Can be affected.Meanwhile, existing bi-block engine air cylinder head structure is more complicated, and casting difficulty is the biggest.Owing to being that twin-tub is sent out Motivation, camshaft is long, and this brings difficulty also to the installation of camshaft.
Utility model content
For deficiencies of the prior art, it is tight that the purpose of this utility model is to provide one to have structure concurrently simultaneously Gather, the cylinder of motorcycle engine assembly of good and easy processing of dispelling the heat.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of cylinder of motorcycle engine assembly, including cylinder head body, rocker arm support and camshaft, at cylinder head originally Body lower surface be provided with left and right two arc pits to form two combustor, cylinder head body is provided with and two combustor one_to_one corresponding Air intake duct, exhaust duct and spark plug;It is provided with, in the middle part of the cylinder head body between two combustor, the chain that upper end is through Chamber;Described cylinder head body and rocker arm support casting respectively, rocker arm support is mounted by means of bolts on cylinder head body Upper surface;Be respectively equipped with the arcuate groove of correspondence at cylinder head body upper surface and rocker arm support lower surface, described camshaft is installed Surround at lower arcuate groove and formed in circular channel and lie across directly over chain chamber.This structure is by cylinder head body and rocker arm support Cast respectively and be assembled into one again, reduce casting difficulty, also allow for the installation of camshaft simultaneously.
Being respectively provided with water cavity this internal being positioned at above two combustor of cylinder head, two water cavities are positioned at the left and right sides, chain chamber, Cylinder head body lower surface is positioned at each combustor and is provided around some water inlets, and water inlet is respectively by water channel and respective place The water cavity connection of side;Being provided with outlet in the middle part of this body side surface of cylinder head, two water cavities are respectively by water channel and same outlet Connection.This cylinder head assembly changes existing air-cooled for water-cooled, reduces the size of fin, compact conformation, cooling More preferably.Utilize same outlet to draw coolant, make compact conformation further.
Described outlet, the air intake duct of two combustor are positioned at cylinder head body the same side;The exhaust duct of two combustor is positioned at The cylinder head body opposite side corresponding with air intake duct, the exhaust duct outlet of two combustor is separately laid in splayed.
Described cylinder head body uses low pressure casting, and such combustor has rough surface, it is possible to increase combustor surface Long-pending, better ensure that fuel atomization effect.
In a word, this utility model cylinder of motorcycle engine assembly after improvement, not only compact conformation, it is simple at motor Layout on car car load, and there is good radiating effect, by the way of split casting assembles again so that cylinder head self Easily processing, is the most also beneficial to the installation of camshaft.
Accompanying drawing explanation
Fig. 1-this utility model cylinder of motorcycle engine assembly longitudinal sectional drawing.
Fig. 2-this utility model cylinder of motorcycle engine assembly top view.
Fig. 3-this utility model cylinder of motorcycle engine assembly transverse cross-sectional view.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail.
See Fig. 1-Fig. 3, it can be seen that this utility model cylinder of motorcycle engine assembly is twin-tub starts from figure Machine cylinder head, including cylinder head body 1, rocker arm support 2 and camshaft 3, is provided with left and right two arcs at cylinder head body 1 lower surface Pit to form two combustor 4, cylinder head body 1 is provided with two combustor air intake duct 5 one to one, exhaust duct 6 and Spark plug 7.The chain chamber 8 that upper end is through it is provided with in the middle part of the cylinder head body 1 between two combustor.In order to reduce casting Difficulty, described cylinder head body 1 and rocker arm support 2 casting respectively, the most again by rocker arm support 2 by the fixing peace of bolt 9 It is contained in cylinder head body 1 upper surface.In order to install camshaft, set respectively at cylinder head body upper surface and rocker arm support lower surface Having the arcuate groove of correspondence, described camshaft is arranged on lower arcuate groove and surrounds in formation circular channel and lie across chain chamber and just go up Side.Cylinder head body 1 and rocker arm support 2 are cast and are assembled into one by this utility model respectively, make overall more complicated foundry goods It is simplified by separately designing processing, reduces casting difficulty, also allow for the installation of camshaft simultaneously.
In order to make heat sink sizes reduce so that structure is compacter, the most do not reduce radiating effect, this practicality simultaneously Novel being positioned in cylinder head body 1 above two combustor 4 is respectively provided with a water cavity 10, and two water cavities 10 are positioned at chain chamber about 8 Both sides, are positioned at each combustor at cylinder head body 1 lower surface and are provided around some (embodiment is 6) water inlet 11, water inlet Mouth 11 is connected with the water cavity 10 of side, respective place by water channel respectively, water inlet and the cooling water outlet pair of cylinder block upper surface Should.Being provided with outlet 12 in the middle part of cylinder head body 1 side, two water cavities 10 are respectively by water channel with same outlet 12 even Logical.This cylinder head assembly changes existing air-cooled for water-cooled, not only can reduce the size of fin so that compact conformation, simultaneously Under the common effect of cooling water and fin, cooling effect is more preferable.It addition, utilize same outlet to draw coolant, enter One step makes compact conformation.
The air intake duct 5 of described outlet 12, two combustor is positioned at cylinder head body 1 the same side;The exhaust duct 6 of two combustor Being positioned at cylinder head body 1 opposite side corresponding with air intake duct, exhaust duct 6 outlet of two combustor is separately laid in splayed.Enter The cylinder head of side, air flue place is normal temperature air due to the air entered, and has air cooling effect simultaneously, therefore temperature is relatively low, and The cooling water temperature circulating out by cooling raises, and is arranged in by outlet and air intake duct the same side, so may insure that cold But the uniformity of effect.
Described cylinder head body 1 uses low pressure casting, and such combustor has rough surface, just on surface for microcosmic Form many tiny projections, it is possible to increase combustor surface and amass, better ensure that fuel atomization effect.Simultaneously under cylinder head body By arc transition between surface and combustor, more existing 45 ° of chamferings are more it can be avoided that stress is concentrated.
In a word, this utility model cylinder of motorcycle engine assembly after improvement, not only compact conformation, it is simple at motor Layout on car car load, and there is good radiating effect.By the way of split casting assembles again so that cylinder head self Easily processing, is the most also beneficial to the installation of camshaft.
Above-described embodiment of the present utility model is only for this utility model example is described, and is not to this reality Restriction with novel embodiment.For those of ordinary skill in the field, the most also may be used To make change and the variation of other multi-forms.Here cannot all of embodiment be given exhaustive.Every belong to this reality Obviously changed with what novel technical scheme amplified out or change the row still in protection domain of the present utility model.

Claims (4)

1. a cylinder of motorcycle engine assembly, including cylinder head body, rocker arm support and camshaft, at cylinder head body Lower surface be provided with left and right two arc pits to form two combustor, cylinder head body is provided with two combustor one to one Air intake duct, exhaust duct and spark plug;The chain chamber that upper end is through it is provided with in the middle part of the cylinder head body between two combustor; It is characterized in that: described cylinder head body and rocker arm support casting respectively, rocker arm support is mounted by means of bolts on gas Cylinder head body upper surface;The arcuate groove of correspondence it is respectively equipped with at cylinder head body upper surface and rocker arm support lower surface, described convex Wheel shaft is arranged on lower arcuate groove and surrounds in formation circular channel and lie across directly over chain chamber;
Being respectively provided with water cavity this internal being positioned at above two combustor of cylinder head, two water cavities are positioned at the left and right sides, chain chamber, at cylinder Head body lower surface is positioned at each combustor and is provided around some water inlets, and water inlet is respectively by water channel and side, respective place Water cavity connects;Being provided with outlet in the middle part of this body side surface of cylinder head, two water cavities are connected with same outlet by water channel respectively.
Cylinder of motorcycle engine assembly the most according to claim 1, it is characterised in that: described outlet, two burnings The air intake duct of room is positioned at cylinder head body the same side;It is another that the exhaust duct of two combustor is positioned at the cylinder head body corresponding with air intake duct Side, the exhaust duct outlet of two combustor is separately laid in splayed.
Cylinder of motorcycle engine assembly the most according to claim 1, it is characterised in that: described combustor has coarse Surface is amassed to increase combustor surface.
Cylinder of motorcycle engine assembly the most according to claim 1, it is characterised in that: cylinder head body lower surface with Arc transition is passed through between combustor.
CN201620479140.6U 2016-05-24 2016-05-24 A kind of cylinder of motorcycle engine assembly Active CN205823469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620479140.6U CN205823469U (en) 2016-05-24 2016-05-24 A kind of cylinder of motorcycle engine assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620479140.6U CN205823469U (en) 2016-05-24 2016-05-24 A kind of cylinder of motorcycle engine assembly

Publications (1)

Publication Number Publication Date
CN205823469U true CN205823469U (en) 2016-12-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620479140.6U Active CN205823469U (en) 2016-05-24 2016-05-24 A kind of cylinder of motorcycle engine assembly

Country Status (1)

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CN (1) CN205823469U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105840336A (en) * 2016-05-24 2016-08-10 力帆实业(集团)股份有限公司 Cylinder head assembly of motorcycle engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105840336A (en) * 2016-05-24 2016-08-10 力帆实业(集团)股份有限公司 Cylinder head assembly of motorcycle engine
CN105840336B (en) * 2016-05-24 2019-05-03 力帆实业(集团)股份有限公司 Cylinder of motorcycle engine assembly

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