CN104948336A - Leakage-proof type engine cylinder head water outlet cover and manufacturing process thereof - Google Patents
Leakage-proof type engine cylinder head water outlet cover and manufacturing process thereof Download PDFInfo
- Publication number
- CN104948336A CN104948336A CN201510245892.6A CN201510245892A CN104948336A CN 104948336 A CN104948336 A CN 104948336A CN 201510245892 A CN201510245892 A CN 201510245892A CN 104948336 A CN104948336 A CN 104948336A
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- Prior art keywords
- cavity
- water outlet
- inserts
- connecting tube
- heat radiation
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14065—Positioning or centering articles in the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14286—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure means for heating the insert
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention provides a leakage-proof type engine cylinder head water outlet cover. The water outlet cover comprises a hollow plastic cavity, two or more heat dissipation connecting pipes communicated with an inner cavity body of the cavity are arranged on the cavity, inserts are fixed to the inner walls of pipe openings of the heat dissipation connecting pipes respectively, one end of each insert is inlaid in the pipe wall of the corresponding heat dissipation connecting pipe, the other end of the corresponding insert protrudes out of the pipe opening of the corresponding heat dissipation connecting pipe, the length of the connection part between each insert and the corresponding heat dissipation connecting pipe is smaller than the length of the corresponding heat dissipation connecting pipe, a pressure relief bolt is arranged on the cavity wall of the cavity, a threaded rod of the pressure relief bolt is of a hollow structure, a pressure relief hole is formed inside the threaded rod, and two openings of the pressure relief hole are located at the bottom face and the side face of the threaded rod respectively; the cavity is formed through injection molding, and inserts are pre-buried before the injection molding. Special technology is adopted in the cylinder head water outlet cover, so that the inserts are closely attached to a plastic body of the cylinder head water outlet cover, the seal and leak-proof effects are good, by means of the cylinder head water outlet cover, the inserts can be prevented from being in direct contact with cooling liquid, and the cylinder head water outlet cover has the pressure relief function.
Description
Technical field
The present invention relates to a kind of engine cylinder cover water outlet lid and manufacturing process thereof, belong to engine cooling apparatus technical field.
Background technique
Along with auto output ground increases year by year, thus bring the rise of fuel price, so present stage the Design of Auto Parts, manufacture and use vital task be exactly saving fuel oil, improve fuel economy, the lightweight of car load vehicle body and Che Nei component reduces the most effective important measures of oil consumption, carry out the light-weighted research of engine, must under the prerequisite ensureing automobile intensity and Safety performance, compatible by proving it step by step from steps such as structural design, design optimization, installation checking, Physicochemical test and overall tests.Along with the development of Science and Technology Day crescent strange land, the engineering plastics of rub resistance and high strength progressively can substitute the engine cylinder-body cylinder cap product of some full cast irons and all aluminium alloy in high temperature environments.Under the prerequisite ensureing engine performance, by using lightweight material to reduce the function that engine quality realizes energy-conserving and environment-protective, reach the object of " to mould Dai Gang ".
Cylinder cap water outlet lid is the cooling-part of motor, and be communicated with engine radiating pipe and peripheral hardware radiator by cylinder cap water outlet lid, cooling liquid flows in cylinder cap water outlet lid, the existing cylinder cap water outlet lid taking engineering plastics as raw material and manufacture, in heat radiation, connecting tube mouth of pipe place directly offers internal thread, and because joint is plastic material, therefore join strength is poor, partly plastic cylinder cap water outlet lid installs copper insert to improve the intensity of joint at heat radiation connecting tube inwall, the end face at copper insert two ends all flushes with the heat radiation connecting tube two ends mouth of pipe, under cylinder cap water outlet lid is in the environment of the high temperature of engine operation stroke for a long time, and brass thermal expansion coefficient difference compared with plastics is larger, cold cycling repeatedly easily causes between plastic body and inserts and produces gap, cause cooling liquid seepage, this kind of cylinder cap water outlet lid adopts when installing inserts to loose core in cavity mold base inserts the mode of inserts, cavity mold base is squeezed and is out of shape in installation process, make to be difficult between inserts and plastic body fit completely, cause cooling liquid seepage.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art, and a kind of Anti-leakage type engine cylinder cover water outlet lid and manufacturing process thereof are provided, this cylinder cap water outlet lid body is injection molded by engineering plastics, adopt special process that the plastic body of inserts and cylinder cap water outlet lid is fitted tightly, sealing, good leak-proof effect, this cylinder cap water outlet lid can avoid inserts and cooling liquid directly contact and have decompression function.
Realizing the technological scheme that the object of the invention adopts is, a kind of Anti-leakage type engine cylinder cover water outlet lid, at least comprise the cavity of hollow, cavity is provided with the heat radiation connecting tube of more than 2 and cavity inner space, all inserts is fixed with in the inwall of each heat radiation connecting tube mouth of pipe, the end face of inserts one end is embedded in the tube wall of heat radiation connecting tube, the other end protrudes from the mouth of pipe of heat radiation connecting tube, inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, and the bottom of cavity offers more than 2 threaded mounting holes; Be provided with pressure release bolt in the chamber wall of cavity, the screw rod of described release bolt is hollow structure, and the inside of screw rod offers relief hole, and two openings of relief hole lay respectively on screw rod bottom surface and side.
Cavity is plastic chamber, cavity is provided with 3 heat radiation connecting tubes, be respectively feed liquor heat radiation connecting tube and two fluid heat radiation connecting tubes, the caliber of feed liquor heat radiation connecting tube is greater than the caliber of fluid heat radiation connecting tube, two fluids heat radiation connecting tube is mutually vertical and be positioned on same end face, one of them fluid heat radiation connecting tube is parallel to feed liquor heat radiation connecting tube, feed liquor heat radiation connecting tube and the fluid connecting tube that dispels the heat lays respectively on two opposing end surfaces of cavity, and pressure release bolt is positioned on the different end faces of cavity from the connecting tube that dispels the heat.
Cavity is provided with sensor fixing hole, and sensor fixing hole is positioned at the below of heat radiation connecting tube and cavity connection part.
The bottom of cavity is fixed with 2 with convex platform, and each threaded mounting hole is opened on each boss respectively.
The outer surface of cavity is provided with netted reinforcing rib, and netted reinforcing rib and pressure release bolt lay respectively on two opposing end surfaces of cavity.
Be provided with pad between pressure release bolt and cavity, inserts is copper insert, and the outer surface of inserts is provided with hatching knurling.
The present invention is the corresponding manufacturing process providing this Anti-leakage type engine cylinder cover water outlet lid also, comprises the steps:
(1) install in inserts by the spiro rod section be connected successively, spacing section and move back the threaded insert that silk section forms, the spiro rod section of threaded insert is screwed in inserts, end to spiro rod section gives prominence to inserts and inserts and spacing section fit tightly, jointly heat after inserts is connected with threaded insert, be jointly positioned in cylinder cap water outlet box cover die subsequently;
(2) in cylinder cap water outlet box cover die, inject high temperature plastics fluid, form inserts bottom end face after high temperature plastics fluid sets, cooling forming and be wrapped in the cavity mold base dispelled the heat in connecting tube tube wall;
(3) by the silk section of moving back of threaded insert, the threaded insert in cavity mold base is moved back silk, and pressure release bolt is installed, namely make Anti-leakage type engine cylinder cover water outlet lid.
The threaded insert used in step 1 is column, and the cross section that threaded insert is spacing section is circular, and its diameter is greater than the internal diameter of inserts, and moving back silk section is prism-shaped.
In step 2 high temperature plastics fluid sets cooling forming process in be compressed cylinder body bottom surface and each threaded insert spacing section by cylinder and the pressing plate that is fixed on cylinder piston end.
By Pneumatic fixture, threaded insert is moved back silk in step 3.
As shown from the above technical solution, engine cylinder cover water outlet lid provided by the invention adopts engineering plastics to make, therefore quality is light, be connected with the pipeline of radiator or engine radiating pipe with the heat radiation connecting tube of cavity inner space by more than 2, inserts is all fixed with for improving joint rigidity in each heat radiation connecting tube, inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, namely the bottom of inserts is wrapped in heat radiation connecting tube tube wall, therefore can not contact with inserts during coolant flow, the heat of cooling liquid reaches inserts by intermetallic heat transfer, inserts temperature rise I avoids inserts overexpansion to cause the distortion of heat radiation connecting tube plastic body, heat radiation connecting tube plastic body between inserts because of the different easy generation gap of thermal expansion coefficient, bottom due to inserts is wrapped in heat radiation connecting tube tube wall, the longitudinal section in this gap is L-type, greatly reduce the leakage rate of cooling liquid, cavity is plastic material, and pipeline or the engine radiating pipe of radiator mostly are metal material, and inserts protrudes from the mouth of pipe of heat radiation connecting tube, avoids the plastics effect of attrition cavity working life of joint housing surface, pressure release bolt is installed in cavity, two openings of release bolt relief hole lay respectively on screw rod bottom surface and side, when cylinder cap water outlet lid internal coolant pressure is excessive, cooling liquid enters relief hole from screw rod bottom surface, and oozed out, for cooling liquid pressure release by the relief hole opening on screw rod side and the hole between cylinder cap water outlet lid body.
The feed liquor heat radiation connecting tube caliber of cavity is larger, for connecting additional radiator, the cooling liquid be convenient to through radiator cooling enters cavity inner chamber, fluid heat radiation connecting tube caliber is less, for connecting engine heat dissipating pipe, when two orthogonal fluid heat radiation connecting tubes make cooling liquid enter engine radiating pipe, flow velocity is accelerated, and is convenient to the cooling of motor; Pressure release bolt is positioned on the different end faces of cavity from heat radiation connecting tube, avoids the same end face perforate of cavity too much to cause rigidity to decline.
The sensor fixing hole of cavity, for installing temperature or pressure transducer, is convenient to temperature or the pressure of Real-Time Monitoring engine coolant; Cylinder cap water outlet lid is fixed on motor by the threaded mounting hole be opened on boss, and boss can ensure the fixing stationarity of cylinder cap water outlet lid.
The outer surface of inserts adopts hatching knurling, has certain choked flow and decompression to the cooling liquid in gap between heat radiation connecting tube plastic body and inserts, reduces the risk of leakage of cooling liquid.
The manufacturing process of engine cylinder cover water outlet lid provided by the invention, inserts is embedded into mould and fixes inserts with the mode of rear chamber molding and forming by employing, high temperature plastics fluid fills the annular knurl gap on inserts outer surface in the process of cooled and solidified, the plastic body of inserts and cylinder cap water outlet lid being fitted completely, fundamentally avoiding the leakage problem by installing the cylinder cap water outlet lid that inserts manufactures after first molding and forming.
Inserts is fixed by threaded insert in injection moulding and forming process, threaded insert is made up of three parts, and wherein spiro rod section is used for connection inserting part, and during installation, inserts is given prominence in the end of spiro rod section, ensure that the bottom of inserts is wrapped in cavity mold base, reduce the leakage rate of cooling liquid; The cross section of spacing section is circular and diameter is greater than the internal diameter of inserts, and during installation, inserts and spacing section fit tightly, and for limiting the radial position of inserts, can prevent inserts from misplacing; Moving back silk section is prism-shaped, is convenient to that Pneumatic fixture is electronic moves back silk.
Inserts and threaded insert put into injection mould again in pre-buried front heating, and the inserts instantaneous cooling avoiding high temperature plastics fluid contact cold shrinks, and causes producing gap between plastics and inserts, fill leakiness.
Compressed the threaded insert in cylinder body bottom surface and each heat radiation connecting tube in the process of high temperature plastics fluid sets cooling forming by cylinder and the pressing plate that is fixed on cylinder piston end, ensure size and the structural stability of cavity mold base.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of Anti-leakage type engine cylinder cover water outlet lid provided by the invention.
Fig. 2 is Fig. 1 reverse view.
Fig. 3 is the A place sectional view of Fig. 2.
Fig. 4 is the structural representation of pressure release bolt.
Wherein, 1-cavity, 2-fluid heat radiation connecting tube, 3-feed liquor heat radiation connecting tube, 4-release bolt, 5-pad, 6-sensor fixing hole, 7-threaded mounting hole, 8-boss, 9-stiffening rib, 10-inserts, 11-relief hole.
Embodiment
Illustrate in detail the present invention below in conjunction with drawings and Examples, content of the present invention is not limited to following examples.
Anti-leakage type engine cylinder cover water outlet lid provided by the invention, its structure as shown in Figure 1 to Figure 3, comprise the plastic chamber 1 of hollow, cavity is provided with the heat radiation connecting tube of sensor fixing hole 6 and 3 and cavity inner space, be respectively feed liquor heat radiation connecting tube 3 and two fluid heat radiation connecting tubes 2, sensor fixing hole is positioned at the below of fluid heat radiation connecting tube and cavity connection part, the caliber of feed liquor heat radiation connecting tube is greater than the caliber of fluid heat radiation connecting tube, two fluids heat radiation connecting tube is mutually vertical and be positioned on same end face, one of them fluid heat radiation connecting tube is parallel to feed liquor heat radiation connecting tube, feed liquor heat radiation connecting tube and the fluid connecting tube that dispels the heat lay respectively on two opposing end surfaces of cavity, hatching knurling inserts 10 is all fixed with in the inwall of each heat radiation connecting tube mouth of pipe, inserts is copper insert, the end face of inserts one end is embedded in the tube wall of heat radiation connecting tube, the other end protrudes from the mouth of pipe of heat radiation connecting tube, inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, the bottom of cavity is fixed with the boss 8 that more than 2 offer threaded mounting hole 7, pressure release bolt 4 and pad 5 is provided with in cavity, pad is between pressure release bolt and cavity, pressure release bolt is positioned on the different end faces of cavity from heat radiation connecting tube, the structure of release bolt as shown in Figure 4, its screw rod is hollow structure, and the inside of screw rod offers relief hole 11, and two openings of relief hole lay respectively on screw rod bottom surface and side, the outer surface of cavity is provided with netted reinforcing rib 9, and netted reinforcing rib and pressure release bolt lay respectively on two opposing end surfaces of cavity.
The present invention is the corresponding manufacturing process providing this Anti-leakage type engine cylinder cover water outlet lid also, comprises the steps:
(1) install in inserts and move back by the spiro rod section be connected successively, circular spacing section and prism-shaped the threaded insert that silk section is formed, the spiro rod section of threaded insert is screwed in inserts and give prominence to inserts to the end of spiro rod section and inserts and spacing section fit tightly, the diameter arranging spacing section of threaded insert is greater than the internal diameter of inserts, the radial position of spacing section of restriction inserts, jointly heat after inserts is connected with threaded insert, jointly be positioned in cylinder cap water outlet box cover die subsequently;
(2) in mould, high temperature plastics fluid is injected, compressed the threaded insert in cylinder body bottom surface and each heat radiation connecting tube in the process of high temperature plastics fluid sets cooling forming by cylinder and the pressing plate that is fixed on cylinder piston end, form inserts bottom end face after high temperature plastics fluid sets, cooling forming and be wrapped in cavity mold base in heat radiation connecting tube tube wall;
(3) coordinate by the silk section of moving back of Pneumatic fixture and threaded insert the threaded insert in cavity mold base is moved back silk, and pressure release bolt and pad are installed, namely make Anti-leakage type engine cylinder cover water outlet lid.
Anti-leakage type engine cylinder cover water outlet lid provided by the invention is carried out the test of air-tightness, explosion-proof performance and installation capability, every test condition and test result are as following table:
As seen from the above table, Anti-leakage type engine cylinder cover water outlet air-tightness provided by the invention is good, namely has preferably leak resistance; Explosion can not occur when internal pressure is larger, namely relieving characteristics is good; The means of fixation that boss and bolt are fixed can ensure that cylinder cap water outlet lid is stable and be fixed on motor, the vibration of effectively generation in opposing automobile running way.
Claims (10)
1. an Anti-leakage type engine cylinder cover water outlet lid, at least comprise the cavity of hollow, it is characterized in that: cavity is provided with the heat radiation connecting tube of more than 2 and cavity inner space, all inserts is fixed with in the inwall of each heat radiation connecting tube mouth of pipe, the end face of inserts one end is embedded in the tube wall of heat radiation connecting tube, the other end protrudes from the mouth of pipe of heat radiation connecting tube, and inserts is less than the length of the connecting tube that dispels the heat with the length of heat radiation connecting tube attachment portion, and the bottom of cavity offers more than 2 threaded mounting holes; Be provided with pressure release bolt in the chamber wall of cavity, the screw rod of described release bolt is hollow structure, and the inside of screw rod offers relief hole, and two openings of relief hole lay respectively on screw rod bottom surface and side.
2. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, it is characterized in that: described cavity is plastic chamber, cavity is provided with 3 heat radiation connecting tubes, be respectively feed liquor heat radiation connecting tube and two fluid heat radiation connecting tubes, the caliber of feed liquor heat radiation connecting tube is greater than the caliber of fluid heat radiation connecting tube, two fluids heat radiation connecting tube is mutually vertical and be positioned on same end face, one of them fluid heat radiation connecting tube is parallel to feed liquor heat radiation connecting tube, feed liquor heat radiation connecting tube and the fluid connecting tube that dispels the heat lay respectively on two opposing end surfaces of cavity, pressure release bolt is positioned on the different end faces of cavity from heat radiation connecting tube.
3. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, is characterized in that: cavity is provided with sensor fixing hole, and sensor fixing hole is positioned at the below of heat radiation connecting tube and cavity connection part.
4. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, is characterized in that: the bottom of cavity is fixed with 2 with convex platform, and each threaded mounting hole is opened on each boss respectively.
5. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, it is characterized in that: the outer surface of cavity is provided with netted reinforcing rib, netted reinforcing rib and pressure release bolt lay respectively on two opposing end surfaces of cavity.
6. Anti-leakage type engine cylinder cover water outlet lid according to claim 1, it is characterized in that: be provided with pad between pressure release bolt and cavity, inserts is copper insert, and the outer surface of inserts is provided with hatching knurling.
7. a manufacturing process for Anti-leakage type engine cylinder cover water outlet lid described in claim 1, is characterized in that, comprise the steps:
(1) install in inserts by spiro rod section, spacing section and move back the threaded insert that silk section forms, the spiro rod section of threaded insert is screwed in inserts, end to spiro rod section gives prominence to inserts and inserts and spacing section fit tightly, jointly heat after inserts is connected with threaded insert, be jointly positioned in cylinder cap water outlet box cover die subsequently;
(2) in cylinder cap water outlet box cover die, inject high temperature plastics fluid, form inserts bottom end face after high temperature plastics fluid sets, cooling forming and be wrapped in the cavity mold base dispelled the heat in connecting tube tube wall;
(3) by the silk section of moving back of threaded insert, the threaded insert in cavity mold base is moved back silk, and pressure release bolt is installed, namely make Anti-leakage type engine cylinder cover water outlet lid.
8. the manufacturing process of Anti-leakage type engine cylinder cover water outlet lid according to claim 7, it is characterized in that: the threaded insert used in step 1 is column, the cross section that threaded insert is spacing section is circular, and its diameter is greater than the internal diameter of inserts, and moving back silk section is prism-shaped.
9. the manufacturing process of Anti-leakage type engine cylinder cover water outlet lid according to claim 7, is characterized in that: in step 2 high temperature plastics fluid sets cooling forming process in be compressed cylinder body bottom surface and each threaded insert spacing section by cylinder and the pressing plate that is fixed on cylinder piston end.
10. the manufacturing process of Anti-leakage type engine cylinder cover water outlet lid according to claim 7, is characterized in that: by Pneumatic fixture, threaded insert is moved back silk in step 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245892.6A CN104948336B (en) | 2015-05-14 | 2015-05-14 | A kind of Anti-leakage type engine cylinder cover water outlet lid and its manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245892.6A CN104948336B (en) | 2015-05-14 | 2015-05-14 | A kind of Anti-leakage type engine cylinder cover water outlet lid and its manufacturing process |
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| Publication Number | Publication Date |
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| CN104948336A true CN104948336A (en) | 2015-09-30 |
| CN104948336B CN104948336B (en) | 2017-10-13 |
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| CN203463918U (en) * | 2013-09-16 | 2014-03-05 | 重庆宗申发动机制造有限公司 | Oil pump for motorcycle engine |
| CN203641857U (en) * | 2013-12-05 | 2014-06-11 | 南京联塑科技实业有限公司 | Anti-seepage insert structure |
| CN203703473U (en) * | 2014-01-20 | 2014-07-09 | 徐胜 | Plastic tube provided with plastic steel composite reinforcing threaded insert |
| CN203783714U (en) * | 2014-03-31 | 2014-08-20 | 武汉湛卢压铸有限公司 | Water outlet chamber assembly of automobile engine |
| CN204253974U (en) * | 2014-09-24 | 2015-04-08 | 宁波富华阀门有限公司 | A kind of gas cylinder valve for storing edible gas |
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| CN104948336B (en) | 2017-10-13 |
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Denomination of invention: A leak-proof engine cylinder head water outlet cover and its manufacturing process Effective date of registration: 20230224 Granted publication date: 20171013 Pledgee: Bank of China Limited by Share Ltd. Shiyan branch Pledgor: DONGFENG (SHIYAN) LINHONG AUTO ACCESSORIES CO.,LTD. Registration number: Y2023980033428 |
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