CN108035792A - A kind of pump attachment structure of water of water-cooled engine - Google Patents
A kind of pump attachment structure of water of water-cooled engine Download PDFInfo
- Publication number
- CN108035792A CN108035792A CN201810011347.4A CN201810011347A CN108035792A CN 108035792 A CN108035792 A CN 108035792A CN 201810011347 A CN201810011347 A CN 201810011347A CN 108035792 A CN108035792 A CN 108035792A
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- CN
- China
- Prior art keywords
- cylinder head
- water pump
- water
- mounting base
- pump mounting
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
-
- 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
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- 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 invention discloses a kind of pump attachment structure of water of water-cooled engine, the water pump of cylinder head side is installed on including the cylinder head equipped with water pump mounting hole and by water pump mounting hole, cylinder head includes cylinder head cover and cylinder head body, independent ring-type water pump mounting base is folded between cylinder head cover and cylinder head body, water pump mounting base endoporus is water pump mounting hole；Cylinder head cover is respectively equipped with upper and lower semicircle recess with the end face of docking of cylinder head body, and water pump mounting base seals with cylinder head body lower half circle recess and is connected fixation by fastener；The interface between interface, cylinder head cover upper semi-circle recess and water pump mounting base between cylinder head body and cylinder head cover is sealingly engaged by gasket；The present invention passes through independent ring-type water pump mounting base, installation of the water pump on cylinder head body is realized to fix, dismounting cylinder head cover carry out maintenance when it is more easy, while without match processing, use, manufacture, assembling are low with maintenance cost, can be widely used in all kinds of water-cooled engines.
Description
Technical field
The present invention relates to water-cooled engine, especially a kind of pump attachment structure of water of water-cooled engine.
Background technology
Increasingly harsh now with environmental requirement, discharge, the oil consumption requirement of fuel engines are also higher and higher, accordingly rub
Motorcycle engine is more universal using water-cooling structure, and the design requirement of water-cooled engine is also higher and higher, and more pursues small
Type and lightweight, and water pump is installed on cylinder head and the frame mode of pump working is driven using camshaft, it is water-cooled engine
One of mode of miniaturization.
With reference to Fig. 1, for the pump attachment structure of water of existing water-cooled engine, it includes cylinder head 1 ' and water pump 8 ', cylinder head
1 ' side is equipped with water pump mounting hole 11 ', and water pump 8 ' is fixed on water pump mounting hole 11 ', and by the camshaft in cylinder head 1 '
Drive the drive shaft work in water pump 8 '.Cylinder head 1 ' is generally by the cylinder head cover 2 ' and 3 ' group of cylinder head body of upper-lower seal docking
Into for the ease of the maintenance to the internal valve mechanism of cylinder head 1 ', avoiding needing water pump when individually opening cylinder head cover 2 '
8 ' the problem of dismantling in the lump, some water-cooled engines can also be separately provided one can cooperatively form water pump peace with cylinder head body 3 '
The semicircle water pump mounting base 4 ' in hole 11 ' is filled, water pump 8 ' is directly anchored on cylinder head body 3 ' by semicircle water pump mounting base 4 ',
Without synchronously dismantling water pump 8 ' when opening cylinder head cover 2 '.
But said structure there are the problem of be：
(1) cylinder head body 3 ' and semicircle water pump mounting base 4 ' are needed to match processing, used；
In order to ensure the circularity of water pump mounting hole 11 ' and concentricity with cam shaft mounting hole, add man-hour requirement first by water
Pump the idiosome of mounting base 4 ' to be installed on cylinder head body 3 ' by positioning pin and fastener, processing again makes both collectively form water
Mounting hole 11 ' is pumped, causes processing technology complicated, cumbersome, beat length, manufactures of high cost；And the mode of both Combined machinings, locking
Bolt is easily loosened when processing stress is larger, causes fraction defective height；And after the completion of processing of water pump mounting hole 11 ', also need to dismantle
Semicircle water pump mounting base 4 ', is assembled, in order to preferably ensure to fill again after cylinder interior loads the parts such as camshaft, rocking arm
With precision, first wife still needs to specify to match and uses with cylinder head body 3 ' to the water pump mounting base 4 ' of processing in follow-up assembling, causes
Production management is complicated, cumbersome, easily error.
(2) manufacture cost and maintenance cost is higher；
Above-mentioned pairing processing, the mode used, although the problems such as preferably avoiding mismachining tolerance, rigging error, one
Denier occur when abnormal quality such as water pump mounting base 4 ' is internal the defects of stomata, sand holes, it is necessary to by water pump mounting base 4 ' together with
To cylinder head body 3 ' together scrap, cause larger cost to waste risk；And when being repaired in market, if water pump mounting base 4 '
Damage, the problem of together replacement there are cylinder head body 3 ', causes user larger loss.
The content of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of pump attachment structure of water of water-cooled engine.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of pump attachment structure of water of water-cooled engine, including the cylinder head equipped with water pump mounting hole and installed by water pump
Hole be installed on cylinder head side water pump, the cylinder head include sealing docking cylinder head cover and cylinder head body, the cylinder head cover and
Independent ring-type water pump mounting base is folded between cylinder head body, water pump mounting base endoporus is the water pump mounting hole；It is described
Cylinder head cover is respectively equipped with internal diameter and the matched upper and lower semicircle recess of water pump mounting base outside diameter, institute with the end face of docking of cylinder head body
Water pump mounting base is stated to seal with cylinder head body lower half circle recess and be connected fixation by fastener；The cylinder head body and cylinder head cover
Between interface, the interface between cylinder head cover upper semi-circle recess and water pump mounting base is sealingly engaged by gasket.
The cylinder head body is equipped with the mounting hole for running through lower half circle recess from bottom, and the fastener passes through the mounting hole
Fixation is connected with water pump mounting base thereon.
The mounting hole is arranged symmetrically in the both sides of the lower half circle recess.
The interface of the water pump mounting base and cylinder head body lower half circle recess is equipped with the location hole to cooperate, in it
The water pump mounting base is located by connecting with cylinder head body equipped with positioning pin.
Between the lower half circle recess and water pump mounting base sealing is realized by smearing fluid sealant.
The beneficial effects of the invention are as follows：
(1) water pump mounting hole is processed without being matched with cylinder head body, added with independent ring-type water pump mounting base one-pass molding
Work technique is simple, precision is high；And cylinder head body can be mounted directly any water pump installation after the parts such as camshaft, rocking arm are loaded
Seat, no pairing assembling limitation, so that processing technology is greatly simplified, beat greatly improves, and manufactures cost reduction；
(2) ring-type water pump mounting base can be used alone or replace, the problem of being scrapped there is no cylinder head ontology relation, effectively
Reduce production, maintenance cost.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the pump attachment structure of water of existing water-cooled engine；
Fig. 2 is the structure diagram of the present invention；
Fig. 3 is the sectional view of the present invention；
Fig. 4 is enlarged view at the A of Fig. 3；
Fig. 5 is the rough schematic view of Fig. 3 section B-Bs.
Embodiment
With reference to Fig. 2 to Fig. 5, a kind of pump attachment structure of water of water-cooled engine, including the cylinder equipped with water pump mounting hole 11
First 1 and by water pump mounting hole 11 be installed on 1 side of cylinder head water pump 8, cylinder head 1 include sealing docking cylinder head cover 2 and cylinder
Head body 3.
Wherein, independent ring-type water pump mounting base 4 is folded between cylinder head cover 2 and cylinder head body 3, water pump mounting base 4
Endoporus is water pump mounting hole 11, and water pump mounting hole 11 is processed at one time with independent ring-type water pump mounting base 4 during processing, nothing
It need to match and process with cylinder head body 3, processing technology is simple, and precision is high.
Cylinder head cover 2 is respectively equipped with internal diameter and the matched upper semi-circle of 4 outside diameter of water pump mounting base with the end face of docking of cylinder head body 3
Recess 21 and lower half circle recess 31, upper lower half circle recess composition full circle when being docked with the sealing of cylinder head body 3 of cylinder head cover 2, by ring-type
Water pump mounting base 4 is folded in it, and since both are circular configuration, processing relative accuracy is higher, concentricity and concentricity energy
Guarantee is accessed, therefore cylinder head body 3 can be mounted directly arbitrary water pump mounting base after the parts such as camshaft, rocking arm are loaded
4, there is no pairing assembling limitation caused by conventional pairing processing, so that processing technology is greatly simplified, beat greatly improves, manufacture
Cost reduction, and the mode that ring-type water pump mounting base can be used alone or replace, are not in that cylinder head ontology relation is scrapped
Problem, effectively reduces production, maintenance cost.
Since the dismounting possibility of water pump mounting base 4 is low, its lower surface and 31 table of lower half circle recess of cylinder head body
Sealing can be realized between face by smearing fluid sealant, and water pump mounting base 4 is fastened on by cylinder head body 3 by fastener 5
On, water pump 8 is remained fixed on cylinder head body 3 when opening cylinder head cover 2, easy to the maintenance and maintenance to its interior valve mechanism；And cylinder
The interface between interface, 2 upper semi-circle recess 21 of cylinder head cover and water pump mounting base 4 between head body 3 and cylinder head cover 2 then leads to
Cross gasket 6 to be sealingly engaged with cylinder head 2, be effectively guaranteed the overall air-tightness of cylinder head 1 and the simplicity of assembling.
In addition, cylinder head body 3 is equipped with the mounting hole 32 for running through lower half circle recess 31 from bottom, fastener 5 passes through mounting hole
32 are connected fixation with water pump mounting base 4 thereon, fastener 5 is realized both companies by the composition surface where gluing sealing
Connect, the airtight sex chromosome mosaicism without influencing 6 place composition surface of gasket, sealing structure more optimizes.
Further, mounting hole 32 is arranged symmetrically in the both sides of lower half circle recess 31, and when bolt is locked, coupling mechanism force can be equal
The even both sides for acting on ring-type water pump mounting base 4, farthest reduce the stress deformation of ring-type water pump mounting base 4, while ring
Threaded hole 41 in shape water pump mounting base 4 can be located at both sides waist and set, and the depth of thread is ensured, connection more firmly may be used
Lean on.
The interface of water pump mounting base 4 and cylinder head body lower half circle recess 31 is equipped with the location hole 42 to cooperate, its
It is interior that water pump mounting base 4 and cylinder head body 3 are located by connecting equipped with positioning pin 7, further increase water pump mounting base 4 i.e. water pump and pacify
Fill the assembly precision in hole 11.
The present invention's is simple and reasonable, by independent ring-type water pump mounting base 4, realizes water pump in cylinder head body 3
On installation fix, dismounting cylinder head cover 2 carry out maintenance when it is more easy, while without match processing, use, manufacture, dress
With low with maintenance cost, can be widely used in all kinds of water-cooled engines.
Claims (5)
1. a kind of pump attachment structure of water of water-cooled engine, including the cylinder head (1) equipped with water pump mounting hole (11) and pass through water
Pump mounting hole (11) be installed on cylinder head (1) side water pump (8), the cylinder head (1) include sealing docking cylinder head cover (2) and
Cylinder head body (3), is characterized in that：Independent ring-type water pump mounting base is folded between the cylinder head cover (2) and cylinder head body (3)
(4), water pump mounting base (4) endoporus is the water pump mounting hole (11)；The cylinder head cover (2) is docked with cylinder head body (3)
End face is respectively equipped with internal diameter and the matched upper and lower semicircle recess (21,31) of water pump mounting base (4) outside diameter, the water pump mounting base
(4) sealed with cylinder head body (3) lower half circle recess (31) and fixation is connected by fastener (5)；The cylinder head body (3) and cylinder
The interface between interface, cylinder head cover (2) upper semi-circle recess (21) and water pump mounting base (4) between skull (2) passes through close
Packing (6) is sealingly engaged.
2. pump attachment structure of water according to claim 1, it is characterised in that：The cylinder head body (3) is equipped with and is passed through from bottom
The mounting hole (32) of semicircle recess (31) is worn, the fastener (5) is installed through the mounting hole (32) and water pump thereon
Seat (4) connection is fixed.
3. pump attachment structure of water according to claim 2, it is characterised in that：The mounting hole (32) is arranged symmetrically in described
The both sides of lower half circle recess (31).
4. pump attachment structure of water according to claim 1 or 2, it is characterised in that：The water pump mounting base (4) and cylinder head sheet
The interface of body lower half circle recess (31) is equipped with the location hole to cooperate, pacifies the water pump equipped with positioning pin (7) in it
Dress seat (4) is located by connecting with cylinder head body (3).
5. pump attachment structure of water according to claim 1 or 2, it is characterised in that：The lower half circle recess (31) and water pump
Between mounting base (4) sealing is realized by smearing fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810011347.4A CN108035792A (en) | 2018-01-05 | 2018-01-05 | A kind of pump attachment structure of water of water-cooled engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810011347.4A CN108035792A (en) | 2018-01-05 | 2018-01-05 | A kind of pump attachment structure of water of water-cooled engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108035792A true CN108035792A (en) | 2018-05-15 |
Family
ID=62099093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810011347.4A Pending CN108035792A (en) | 2018-01-05 | 2018-01-05 | A kind of pump attachment structure of water of water-cooled engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108035792A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010138822A (en) * | 2008-12-12 | 2010-06-24 | Honda Motor Co Ltd | Water pump mounting structure of water-cooled internal combustion engine |
| CN101769192A (en) * | 2008-12-26 | 2010-07-07 | 本田技研工业株式会社 | Water pump attachment structure of water-cooled internal combustion engine |
| CN206668622U (en) * | 2017-04-12 | 2017-11-24 | 三阳工业股份有限公司 | Has the water pump structure of Unitary Impeller pump shaft |
| CN207776982U (en) * | 2018-01-05 | 2018-08-28 | 江门市大长江集团有限公司 | A kind of pump attachment structure of water of water-cooled engine |
-
2018
- 2018-01-05 CN CN201810011347.4A patent/CN108035792A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010138822A (en) * | 2008-12-12 | 2010-06-24 | Honda Motor Co Ltd | Water pump mounting structure of water-cooled internal combustion engine |
| CN101769192A (en) * | 2008-12-26 | 2010-07-07 | 本田技研工业株式会社 | Water pump attachment structure of water-cooled internal combustion engine |
| CN206668622U (en) * | 2017-04-12 | 2017-11-24 | 三阳工业股份有限公司 | Has the water pump structure of Unitary Impeller pump shaft |
| CN207776982U (en) * | 2018-01-05 | 2018-08-28 | 江门市大长江集团有限公司 | A kind of pump attachment structure of water of water-cooled engine |
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