CN105201678B - A kind of cooling engine for motor cycle water cylinder head - Google Patents

A kind of cooling engine for motor cycle water cylinder head Download PDF

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Publication number
CN105201678B
CN105201678B CN201510692328.9A CN201510692328A CN105201678B CN 105201678 B CN105201678 B CN 105201678B CN 201510692328 A CN201510692328 A CN 201510692328A CN 105201678 B CN105201678 B CN 105201678B
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China
Prior art keywords
water
cylinder head
cylinder
cooling
cavity
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Expired - Fee Related
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CN201510692328.9A
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Chinese (zh)
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CN105201678A (en
Inventor
王胜华
谯平
文浩
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Lifan Technology Group Co Ltd
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Lifan Industry Group Co Ltd
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Publication of CN105201678B publication Critical patent/CN105201678B/en
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Abstract

The invention discloses a kind of cooling engine for motor cycle water cylinder heads, water cavity runner is equipped with inside cylinder head, the water hole communicated with water cavity runner one end is equipped in cylinder head lower surface, the water hole of cylinder head lower surface and the water hole position of cylinder block upper surface are corresponding;The cylinder head water outlet communicated with the water cavity runner other end is equipped in cylinder head upper surface.Recirculated water of the present invention only passes through from a water hole of cylinder block and cylinder head periphery, and temperature is not high herein, will not generate conventional water cooling and cause water to enter engine conditions because high temperature burns out head gasket.Faucet is no longer set on cylinder head, and is set in cylinder head, can be adapted for the design of various engine cool mechanisms to avoid the requirement being set on cylinder head to cylinder head own dimensions.

Description

A kind of cooling engine for motor cycle water cylinder head
Technical field
The present invention relates to motorcycle engine Water Cooling Technology, in particular to a kind of cooling engine for motor cycle water cylinder Head belongs to engine cool technical field.
Background technique
In recent years, with the implementation of national rich peasant's policy and strategy to develop western regions, motor tricycle has become friend peasant The good assistant that friend builds up the family fortunes, and also increasingly develop to huge discharge direction.Discharge capacity is continuously increased, and engine is severe in addition Use environment (heavy duty, road conditions are poor, user maintenance is poor), engine temperature height, the locking of crankshaft major part, piston scraping, The various failures such as burn oil are consequently increased, and bring very bad negative effect to the popularization of huge discharge tricycle engine.For Solution problems, the better water-cooled engine of cooling effect are widely used in tricycle.
Traditional Water-cooled engine cylinder water jacket is circle ring column water channel, and the design of corresponding cylinder head cylinder face has quantity The not equal bar shaped sink 34 being located on same circumference is shown in that Fig. 1, recirculated water enter water cavity inside cylinder head by bar shaped sink, Fig. 2 is shown in from cylinder head water outlet 35(by water cavity inside cylinder head again) flow out into radiator circulation.This engine water The shortcomings that air-cooled structure is: 1, water passes through from cylinder face, cylinder head sealing gasket ablation is easily led under hot conditions, so as to cause recirculated water Lead to power failure into engine.2, there is certain requirement to the part dimension of setting water outlet, if cylinder head ruler It is very little smaller, it is unfavorable for the arrangement of cylinder head water outlet.In view of above-mentioned factor and water-cooled engine itself problem at high cost, The application of water-cooled engine is constrained to a certain extent and is promoted.
Summary of the invention
In view of the above shortcomings of the prior art, the purpose of the present invention is to provide a kind of cooling engine for motor cycle water use Cylinder head, this cylinder head facilitate the arrangement in cooling path, and can be avoided because high temperature burns out head gasket.
To achieve the goals above, the technical solution adopted by the present invention is that it is such:
A kind of cooling engine for motor cycle water cylinder head is equipped with water cavity runner, in cylinder head lower surface inside cylinder head Equipped with the water hole communicated with water cavity runner one end, the water hole of cylinder head lower surface and the water hole position of cylinder block upper surface It is corresponding;The cylinder head water outlet communicated with the water cavity runner other end is equipped in cylinder head upper surface.
The water cavity runner is irregular special-shaped cavity.
The water hole and cylinder head water outlet of the cylinder head lower surface mutually stagger on upper and lower position, more conducively improve cold But effect.
Compared with prior art, the invention has the following advantages:
1, this structure is no longer passed through from cylinder face by the improvement to the cooling path of cylinder head, such water, and only from cylinder Body and a water hole of cylinder head periphery pass through, and temperature is not high herein, will not generate conventional water cooling because high temperature burns out head gasket And water is caused to enter engine conditions.
2, faucet is no longer set on cylinder head, and be set to cylinder head on, can to avoid be set to cylinder head on to cylinder The requirement of head own dimensions, therefore can be adapted for the design of various engine cool mechanisms.Cooling is set in cylinder head simultaneously Path extends circulation waterway, improves cooling effect.
This structure changes less cylinder head, and improvement cost is low, conducive to the popularization of water-cooled engine.
Detailed description of the invention
The existing water-cooled cylinder head lower surface configuration schematic diagram of Fig. 1-.
The existing water-cooled cylinder head side structure schematic diagram of Fig. 2-.
Fig. 3-inventive engine assembly structure schematic diagram.
Fig. 4-block structure schematic diagram of the present invention.
Fig. 5-cylinder block upper surface schematic diagram of the present invention.
Fig. 6-air cylinder head structure schematic diagram of the present invention.
Fig. 7-cylinder head lower surface schematic diagram of the present invention.
Fig. 8-cylinder head cross-sectional view.
Fig. 9-air cylinder head structure schematic diagram.
Figure 10-cylinder head sectional structure chart.
Figure 11-cylinder head lower surface configuration schematic diagram.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
Cooling engine for motor cycle water water-cooling structure, overall structure is referring to Fig. 3, including right crankcase cover 1, cylinder block 2, gas Cylinder head 3, cylinder head 4 and cooling water pump are equipped with cooling water pump installation cavity on 1 surface of crankcase cover, and cooling water pump is installed on cooling It is covered in water pump installation cavity and by water pump cover 11.
Main improvement of the invention is cylinder head, referring specifically to fig. 6-8, water cavity runner 31 is equipped with inside cylinder head 3, 3 lower surface of cylinder head is equipped with the water hole 32 communicated with water cavity runner one end, the water hole 32 and cylinder block of cylinder head lower surface 22 position of water hole of upper surface is corresponding;The cylinder head water outlet communicated with the water cavity runner other end is equipped in 3 upper surface of cylinder head 33.The water hole 32 and cylinder head water outlet 33 of the cylinder head lower surface mutually stagger on upper and lower position, while water cavity runner 31 be irregular special-shaped cavity, more conducively raising cooling effect.
In order to facilitate position and effect of the cylinder head in entire cooling body is understood, below to cylinder block and head pair It answers structure while being illustrated.Circulating water cavity 21 is equipped in cylinder block 2, circulating water cavity 21 passes through engine water tube 5 and water pump Lid 11 is connected.See Fig. 4 and Fig. 5, is equipped with a water hole 22 communicated with circulating water cavity in 2 upper surface of cylinder block.In cylinder Gasket is equipped between body and cylinder head, gasket is equipped with water hole with will be under the water hole and cylinder head of cylinder block upper surface The water hole on surface is connected to.Referring to Fig. 9-11, the cylinder cap water inlet docked with cylinder head water outlet 33 is equipped in 4 lower surface of cylinder head 41, cylinder cap water inlet 41 is by the coolant flow channel 42 and cylinder head side inside cylinder head and close to the faucet of cylinder head upper end 43 connections, coolant flow channel 42 is vertically arranged and the oil circulation channel in cylinder head, to cool down simultaneously to machine oil.Out Water nozzle connects motorcycle radiator by water pipe, and radiator outlet is connected by water pipe and the cooling water pump installation cavity on crankcase cover surface It is logical.
This structure is no longer passed through from cylinder face by the improvement to the cooling path of cylinder head, such water, and only from cylinder block Pass through with a water hole of cylinder head periphery, temperature is not high herein, will not generate conventional water cooling due to high temperature burns out head gasket Water is caused to enter engine conditions.
The final faucet of engine is no longer set on cylinder head by this structure simultaneously, and is set in cylinder head, one Cooling path is arranged in aspect in cylinder head, extends circulation waterway;On the other hand it is conducive to structure to design, because faucet designs Traditional structure on cylinder head requires the size of cylinder head, and the too small design of size is more difficult, and this structure can fit Design for various engine cool mechanisms;The cooling to circulation machine oil in cylinder head is also achieved simultaneously, is advantageously reduced Oil temperature improves the purpose of each component lubrication condition to reach reduction engine temperature.
For convenience of cylinder block processing, and convenient for thereon circulating water cavity molding, the cylinder block 2 by cylinder block ontology 23, Cylinder block left cover 24 and 25 three parts of cylinder block right cover are constituted, and the water hole 22 in cylinder block is arranged on cylinder block ontology 23, See Fig. 4.It is respectively arranged on the left side and the right side lateral type chamber in cylinder block ontology, is respectively equipped with transverse direction in cylinder block ontology front and rear sides Front and back circulatory flow, while be respectively equipped on the inside of cylinder block left cover and cylinder block right cover at left and right sides of cylinder block ontology The corresponding type chamber of type chamber.Cylinder block left cover is mounted by means of bolts on the left of cylinder block ontology, the type chamber in cylinder block left cover It surrounds to form left circulatory flow with the type chamber on the left of cylinder block ontology.Cylinder block right cover is mounted by means of bolts on cylinder block On the right side of ontology, the type chamber on type chamber and cylinder block ontology right side in cylinder block right cover surrounds to form right circulatory flow, left circulation Runner, right circulatory flow join end to end respectively with front and back circulatory flow to form the circulating water cavity.This structured loop water cavity is On the one hand polymorphic structure has put up with cylinder block ontology self-style design mode chamber, on the other hand, polymorphic structure is conducive to extend cold But water circulating water cavity flow path, to reach better cooling effect.
Water nozzle is equipped in cylinder block right cover, water nozzle is communicated with circulating water cavity, and circulating water cavity passes through the water nozzle and engine The connection of water pipe one end.
The engine water air-cooled structure that this cylinder head is related to has a water hole in cylinder block upper surface, and recirculated water passes through gas Thus cylinder body flows out, and enter in cylinder head water cavity channel from the water hole of corresponding Fig. 7 cylinder head lower surface and recycled, and Enter in the cylinder head cover such as Figure 10 from the cylinder head water outlet of cylinder head upper surface.Recirculated water enters gas from cylinder head cover water inlet Cylinder head cover enters motorcycle radiator from water outlet outflow again and recycles.
Each component that the cooling path of the water-cooling structure that this cylinder head is related to is related to successively has: right crankcase cover 1--- is cooling Water pump --- water pump cover 11--- engine water tube 5--- cylinder block right cover water nozzle --- circulating water cavity 21--- cylinder block upper surface mistake Water hole 22--- head gasket water hole --- table on the water hole 31--- cylinder head water cavity runner 31--- cylinder head of cylinder head lower surface Coolant flow channel 42--- cylinder head faucet 43--- inside the cylinder head water outlet 33--- cylinder head water inlet 41--- cylinder head in face Radiator --- cooling water pump installation cavity.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this In the scope of the claims of invention.

Claims (3)

1. a kind of cooling engine for motor cycle water structure, including crankcase cover, cylinder block, cylinder head, cylinder head and cooling water pump, Crankcase cover surface is equipped with cooling water pump installation cavity, and cooling water pump is installed in cooling water pump installation cavity and is sealed by water pump cover Lid;Water cavity runner is equipped with inside cylinder head, it is characterised in that: be equipped in cylinder head lower surface and communicate with water cavity runner one end Water hole, the water hole of cylinder head lower surface and the water hole position correspondence of cylinder block upper surface and the cylinder head from separate cylinder face Periphery is passed through;Gasket is equipped between cylinder block and cylinder head, gasket is equipped with water hole with by cylinder block upper surface Water hole is connected to the water hole of cylinder head lower surface;The cylinder head communicated with the water cavity runner other end is equipped in cylinder head upper surface Water outlet;
Circulating water cavity is equipped in cylinder block, circulating water cavity is connected by engine water tube with water pump cover;The table in cylinder block Face is equipped with a water hole communicated with circulating water cavity;The cylinder cap docked with cylinder head water outlet, which is equipped with, in cylinder head lower surface enters water Mouthful, cylinder cap water inlet passes through the coolant flow channel and cylinder head side inside cylinder head and connects close to the faucet of cylinder head upper end Logical, coolant flow channel is vertically arranged and the oil circulation channel in cylinder head, to cool down simultaneously to machine oil;Faucet is logical It crosses water pipe and connects radiator, radiator outlet is connected to by water pipe with the cooling water pump installation cavity on crankcase cover surface.
2. cooling engine for motor cycle water structure according to claim 1, it is characterised in that: the water cavity runner is irregular Special-shaped cavity.
3. cooling engine for motor cycle water structure according to claim 1, it is characterised in that: the mistake of the cylinder head lower surface Water hole and cylinder head water outlet mutually stagger on upper and lower position.
CN201510692328.9A 2015-10-23 2015-10-23 A kind of cooling engine for motor cycle water cylinder head Expired - Fee Related CN105201678B (en)

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Application Number Priority Date Filing Date Title
CN201510692328.9A CN105201678B (en) 2015-10-23 2015-10-23 A kind of cooling engine for motor cycle water cylinder head

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Application Number Priority Date Filing Date Title
CN201510692328.9A CN105201678B (en) 2015-10-23 2015-10-23 A kind of cooling engine for motor cycle water cylinder head

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CN105201678B true CN105201678B (en) 2019-01-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089475A (en) * 2016-08-12 2016-11-09 力帆实业(集团)股份有限公司 Motorcycle engine modular cylinder skull with heat-insulation chamber
CN107725208B (en) * 2017-09-22 2024-02-27 力帆实业(集团)股份有限公司 Water-cooled engine for motorcycle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2911202Y (en) * 2006-09-15 2007-06-13 胡大杰 Water cooling motorcycle engine
CN2937511Y (en) * 2007-02-05 2007-08-22 胡大杰 Air, water cooled engine
CN200955451Y (en) * 2006-12-08 2007-10-03 胡大杰 Air-water cooling engine cylinder head
CN202628255U (en) * 2011-08-12 2012-12-26 力帆实业(集团)股份有限公司 Engine water-circulating radiation device
CN203626986U (en) * 2013-12-27 2014-06-04 威伯科汽车控制***(中国)有限公司 Split type cylinder cover with cooling water channel plate
CN205154422U (en) * 2015-10-23 2016-04-13 力帆实业(集团)股份有限公司 Motorcycle is cylinder head for water -cooled engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2911202Y (en) * 2006-09-15 2007-06-13 胡大杰 Water cooling motorcycle engine
CN200955451Y (en) * 2006-12-08 2007-10-03 胡大杰 Air-water cooling engine cylinder head
CN2937511Y (en) * 2007-02-05 2007-08-22 胡大杰 Air, water cooled engine
CN202628255U (en) * 2011-08-12 2012-12-26 力帆实业(集团)股份有限公司 Engine water-circulating radiation device
CN203626986U (en) * 2013-12-27 2014-06-04 威伯科汽车控制***(中国)有限公司 Split type cylinder cover with cooling water channel plate
CN205154422U (en) * 2015-10-23 2016-04-13 力帆实业(集团)股份有限公司 Motorcycle is cylinder head for water -cooled engine

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Granted publication date: 20190125

Termination date: 20211023