CN109026385A - A kind of cylinder drain valve mounting structure - Google Patents
A kind of cylinder drain valve mounting structure Download PDFInfo
- Publication number
- CN109026385A CN109026385A CN201810987458.9A CN201810987458A CN109026385A CN 109026385 A CN109026385 A CN 109026385A CN 201810987458 A CN201810987458 A CN 201810987458A CN 109026385 A CN109026385 A CN 109026385A
- Authority
- CN
- China
- Prior art keywords
- drain valve
- cooling water
- cylinder head
- pillar
- water cavity
- 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.)
- Granted
Links
- 239000000498 cooling water Substances 0.000 claims abstract description 40
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000002485 combustion reaction Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229910000639 Spring steel Inorganic materials 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- KLYCPFXDDDMZNQ-UHFFFAOYSA-N Benzyne Chemical compound C1=CC#CC=C1 KLYCPFXDDDMZNQ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
-
- 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
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
-
- 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
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to a kind of cylinder drain valve mounting structures, cylinder head including being provided with cooling water cavity, drain valve pillar is provided in Cooling Water Jacket of Cylinder Head, drain valve pillar top by O-ring seal with it is in sealing contact with cooling water cavity roof, drain valve pillar lower part passes through cooling water cavity roof and cooling water cavity bottom wall is in sealing contact, drain valve is installed in drain valve pillar, the valve rod of drain valve passes through drain valve pillar and is fixedly connected with Cooling Water Jacket of Cylinder Head bottom wall and by the fixed drain valve pillar of lock washer, the valve rod and the combustion chamber below cylinder head of drain valve.It is installed the beneficial effects of the present invention are: the drain valve in cylinder head is passed through Cooling Water Jacket of Cylinder Head by the present invention, solves the problems, such as the cooling of drain valve, improve the reliability and service life of drain valve work.
Description
Technical field
The invention belongs to engine component design fields, relate generally to a kind of cylinder drain valve installation knot
Structure.
Background technique
There can be ponding in combustion chamber when subm arine engine starts, need to design a kind of cylinder drain valve and be mounted on cylinder head
On, have the function of cylinder draining before diesel engine starting.
In the prior art, cylinder drain valve is directly installed in cylinder head, and obstructed supercooling water cavity will cause drain valve and exist
Cooling bad, less reliable in work.
Summary of the invention
The purpose of the present invention is to propose to a kind of cylinder drain valve mounting structure, principle is by cylinder head
Design installation drain valve pillar in cooling water cavity, and then drain valve is mounted in the cooling water cavity of cylinder head, it is existing to solve
Structure design defect present in technology.
The invention adopts the following technical scheme: a kind of cylinder drain valve mounting structure, including it is provided with cooling water
The cylinder head of chamber, is provided with drain valve pillar in Cooling Water Jacket of Cylinder Head, drain valve pillar top by O-ring seal with it is cold
But water cavity roof is in sealing contact, and drain valve pillar lower part passes through cooling water cavity roof and cooling water cavity bottom wall is in sealing contact, draining
Drain valve is installed, the valve rod of drain valve passes through drain valve pillar and is fixedly connected simultaneously with Cooling Water Jacket of Cylinder Head bottom wall in valve pillar
Pass through the fixed drain valve pillar of lock washer, the valve rod and the combustion chamber below cylinder head of drain valve；The cylinder head
Its cooling water cavity roof is provided with the installation through-hole matched with drain valve pillar, and installation through-hole is cylindrical type unthreaded hole, cylinder head
The bottom wall of cooling water cavity, which is provided with to use, is threadedly coupled drain valve valve rod and the tapped through hole with combustion chamber below cylinder head,
The aperture that tapped through hole is located in cooling water cavity is set as conical seal (contact) face A, and sealing cone angle is between 55 °~60 °；It is described
Drain valve pillar generally cylindrical type pipe structure, upper part is provided with the annular seal groove to mounting O-shaped sealing ring, drains
Valve pillar lower end is set as the conical seal (contact) face B matched with conical seal (contact) face A.
Its quantity of annular seal groove on the drain valve pillar is two, and cross section is rectangle.
The O-ring uses standard rubbers sealing ring.
The lock washer uses standard internal tooth or external teeth lock washer, is made of 65Mn spring steel.
The sealing cone angle is 56 degree.
The drain valve pillar is high-intensitive, high-ductility steel.
Pacify the beneficial effects of the present invention are: the drain valve in cylinder head is passed through Cooling Water Jacket of Cylinder Head by the present invention
Dress, solves the problems, such as the cooling of drain valve, improves the reliability and service life of drain valve work；Cooling water cavity roof and row
2 O-ring seals are set between water valve pillar, and cooling water cavity bottom wall and drain valve pillar use conical surface seal, the peace of drain valve
Dress is positioned by screw thread and lock washer, while screw thread is tightened, drain valve pillar is compressed by lock washer, to guarantee close
The reliable contacts for sealing the conical surface, preferably resolve the sealing between drain valve pillar and Cooling Water Jacket of Cylinder Head；Drain valve pillar
Using high-intensitive, high-ductility steel, guarantees non-deformability during the work time, be conducive to the guarantor of contact stress on sealing surface
It holds, improves the reliability of sealing.The configuration of the present invention is simple, it is convenient for disassembly and assembly, it can be achieved that underwater engine cylinder head drain valve is installed
And excellent sealing.
Detailed description of the invention:
Fig. 1 is overall structure diagram of the invention.
Fig. 2 be the present invention in drain valve cylinder head installation position sectional view.
Fig. 3 is the structural schematic diagram of drain valve pillar in the present invention.
In figure, 1, cylinder head, 2, drain valve, 3, drain valve pillar, 4, lock washer, 5, O-ring seal, 6, peace
Fill through-hole, 7, conical seal (contact) face A, 8, tapped through hole, 9, annular seal groove, 10, conical seal (contact) face B, 11, sealing cone angle
α。
Specific embodiment
The invention is further explained in the following combination with the attached drawings of the specification.
As shown in Figure 1, a kind of cylinder drain valve mounting structure, the cylinder head 1 including being provided with cooling water cavity, gas
Be provided with drain valve pillar 3 in 1 cooling water cavity of cylinder cap, 3 top of drain valve pillar by O-ring seal 5 with cooling water cavity top
Wall is in sealing contact, and 3 lower part of drain valve pillar passes through cooling water cavity roof and cooling water cavity bottom wall is in sealing contact, drain valve pillar 3
Drain valve 2 is inside installed, the valve rod of drain valve 2 passes through drain valve pillar 3 and is fixedly connected and leads to 1 cooling water cavity bottom wall of cylinder head
Cross the fixed drain valve pillar 3 of lock washer 4, the valve rod and the combustion chamber below cylinder head 1 of drain valve 2；The cylinder
Its cooling water cavity roof of lid 1 is provided with the installation through-hole 6 matched with drain valve pillar 3, and installation through-hole 6 is cylindrical type unthreaded hole,
The bottom wall of 1 cooling water cavity of cylinder head be provided with be threadedly coupled drain valve 2 valve rod and with the combustion chamber below of cylinder head 1
Tapped through hole 8, the aperture that tapped through hole 8 is located in cooling water cavity are set as conical seal (contact) face A7, and sealing cone angle 11 is 55 °
Between~60 °；The drain valve pillar 3 generally cylindrical type pipe structure, upper part are provided with to mounting O-shaped sealing ring 5
Annular seal groove 9,3 lower end of drain valve pillar is set as the conical seal (contact) face B10 matched with conical seal (contact) face A7.
Its quantity of annular seal groove 9 on the drain valve pillar 3 is two, and cross section is rectangle.Twice are close
Sealing groove can preferably guarantee to seal.
The O-ring 5 uses standard rubbers sealing ring.
The lock washer 4 uses standard internal tooth or external teeth lock washer, is made of 65Mn spring steel, guarantees preferable
Toughness.
The sealing cone angle 11 is 56 degree.
The drain valve pillar 3 is high-intensitive, high-ductility steel.The present embodiment selects 42CrMo, guarantees in the course of work
In non-deformability, be conducive to the holding of contact stress on sealing surface, improve the reliability of sealing.
Assembly method of the invention: 2 O-ring seals 5 are put into ring by coating lubricating oil before drain valve pillar 3 is installed
In shape seal groove 9, it is inserted into cylinder head 1 in installation through-hole 6, makes lower taper sealing surface B10 and 1 cooling water cavity screw thread of cylinder head
Conical seal (contact) face A7 contact in through-hole 8；Again by 4 sets of lock washer on 2 valve rod of drain valve, drain valve 2 is inserted into drain valve
The inner hole of pillar 3 until contacting with 1 cooling water cavity tapped through hole 8 of cylinder head, screw thread, and applies certain torque, passes through
Lock washer 4 compresses and fixed drain valve pillar 3 and drain valve 2, completion are assembled.
Part not in the detailed description of the invention is the prior art.
Claims (6)
1. a kind of cylinder drain valve mounting structure, it is characterized in that: including the cylinder head for being provided with cooling water cavity, cylinder head
Drain valve pillar is provided in cooling water cavity, drain valve pillar top is connect by O-ring seal with the sealing of cooling water cavity roof
Touching, drain valve pillar lower part passes through cooling water cavity roof and cooling water cavity bottom wall is in sealing contact, the row of being equipped in drain valve pillar
Water valve, the valve rod of drain valve pass through drain valve pillar and are fixedly connected with Cooling Water Jacket of Cylinder Head bottom wall and are fixed by lock washer
Drain valve pillar, the valve rod and the combustion chamber below cylinder head of drain valve；Its cooling water cavity roof of the cylinder head is set
It is equipped with the installation through-hole matched with drain valve pillar, installation through-hole is cylindrical type unthreaded hole, and the bottom wall of Cooling Water Jacket of Cylinder Head is set
It is equipped with drain valve valve rod and the tapped through hole with combustion chamber below cylinder head is threadedly coupled, tapped through hole is located at cooling
Aperture in water cavity is set as conical seal (contact) face A, and sealing cone angle is between 55 °~60 °；The drain valve pillar is whole
For cylindrical type pipe structure, upper part is provided with the annular seal groove to mounting O-shaped sealing ring, and drain valve pillar lower end is set as
The conical seal (contact) face B matched with conical seal (contact) face A.
2. a kind of cylinder drain valve mounting structure according to claim 1, it is characterized in that: the drain valve protects
Its quantity of annular seal groove on pipe is two, and cross section is rectangle.
3. a kind of cylinder drain valve mounting structure according to claim 1, it is characterized in that: the O-ring is adopted
With standard rubbers sealing ring.
4. a kind of cylinder drain valve mounting structure according to claim 1, it is characterized in that: the lock washer
Using standard internal tooth or external teeth lock washer, it is made of 65Mn spring steel.
5. a kind of cylinder drain valve mounting structure according to claim 1, it is characterized in that: the sealing cone angle
α is 56 degree.
6. a kind of cylinder drain valve mounting structure according to claim 1, it is characterized in that: the drain valve protects
Pipe is high-intensitive, high-ductility steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987458.9A CN109026385B (en) | 2018-08-28 | 2018-08-28 | Mounting structure of engine cylinder drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810987458.9A CN109026385B (en) | 2018-08-28 | 2018-08-28 | Mounting structure of engine cylinder drain valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109026385A true CN109026385A (en) | 2018-12-18 |
| CN109026385B CN109026385B (en) | 2023-11-03 |
Family
ID=64625628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810987458.9A Active CN109026385B (en) | 2018-08-28 | 2018-08-28 | Mounting structure of engine cylinder drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109026385B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332358A (en) * | 2019-06-19 | 2019-10-15 | 浙江科力车辆控制***有限公司 | Intelligent drainage water valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632659A (en) * | 1996-02-20 | 1997-05-27 | The United States Of America As Represented By The Secretary Of The Navy | Combustion chamber drain system |
| JP2005155453A (en) * | 2003-11-26 | 2005-06-16 | Honda Motor Co Ltd | Sealing structure of fuel injection valve |
| US20110277721A1 (en) * | 2010-05-17 | 2011-11-17 | Gm Global Technology Operations, Inc. | Cylinder head drain and vent |
| CN204163877U (en) * | 2014-08-28 | 2015-02-18 | 河南柴油机重工有限责任公司 | Double sealing structure between diesel injector pillar and cylinder head |
| CN205036463U (en) * | 2015-09-15 | 2016-02-17 | 中国船舶重工集团公司第七一一研究所 | A cylinder head for drainage |
| US20160251069A1 (en) * | 2013-10-17 | 2016-09-01 | E.P. Barrus Limited | A marine propulsion unit and a valve for a marine propulsion unit |
| CN208950710U (en) * | 2018-08-28 | 2019-06-07 | 河南柴油机重工有限责任公司 | A kind of cylinder drain valve mounting structure |
-
2018
- 2018-08-28 CN CN201810987458.9A patent/CN109026385B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5632659A (en) * | 1996-02-20 | 1997-05-27 | The United States Of America As Represented By The Secretary Of The Navy | Combustion chamber drain system |
| JP2005155453A (en) * | 2003-11-26 | 2005-06-16 | Honda Motor Co Ltd | Sealing structure of fuel injection valve |
| US20110277721A1 (en) * | 2010-05-17 | 2011-11-17 | Gm Global Technology Operations, Inc. | Cylinder head drain and vent |
| US20160251069A1 (en) * | 2013-10-17 | 2016-09-01 | E.P. Barrus Limited | A marine propulsion unit and a valve for a marine propulsion unit |
| CN204163877U (en) * | 2014-08-28 | 2015-02-18 | 河南柴油机重工有限责任公司 | Double sealing structure between diesel injector pillar and cylinder head |
| CN205036463U (en) * | 2015-09-15 | 2016-02-17 | 中国船舶重工集团公司第七一一研究所 | A cylinder head for drainage |
| CN208950710U (en) * | 2018-08-28 | 2019-06-07 | 河南柴油机重工有限责任公司 | A kind of cylinder drain valve mounting structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332358A (en) * | 2019-06-19 | 2019-10-15 | 浙江科力车辆控制***有限公司 | Intelligent drainage water valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109026385B (en) | 2023-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190923 Address after: 471039 No. 173 West Zhongzhou Road, Henan, Luoyang Applicant after: HENAN DIESEL ENGINE Co.,Ltd. Applicant after: China Shipbuilding Heavy Industry Group Co.,Ltd. Address before: 471039 No. 173 West Zhongzhou Road, Henan, Luoyang Applicant before: HENAN DIESEL ENGINE Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |