CN1138908C - Distributor mounting construction for internal combustion engine - Google Patents
Distributor mounting construction for internal combustion engine Download PDFInfo
- Publication number
- CN1138908C CN1138908C CNB991002792A CN99100279A CN1138908C CN 1138908 C CN1138908 C CN 1138908C CN B991002792 A CNB991002792 A CN B991002792A CN 99100279 A CN99100279 A CN 99100279A CN 1138908 C CN1138908 C CN 1138908C
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- CN
- China
- Prior art keywords
- distributor
- cylinder head
- combustion engine
- internal
- camshaft
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- 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.)
- Expired - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
A distributor mounting structure for internal combustion engine. The internal combustion engine has a cylinder block, a cylinder head mounted on the upper surface of the cylinder block and an oil pan provided on the lower part of the cylinder block. A distributor in the distributor mounting structure is directly mounted on the said cylinder block without using a mounting housing. Thereby compared with the existing technology, this mounting structure reduces the number of parts, reduces cost, shortens the entire length of a cylinder head, so realizes miniaturization, reduces sealing parts and improves the rigidity of the mounting part for the distributor.
Description
Technical field
The present invention relates to the distributor mounting construction of internal-combustion engine.
Background technique
Generally use multi-cylinder engine in the vehicle.In this internal-combustion engine, a distributor distribution and make the igniting of each cylinder sequence.
The visible Japanese patent application bulletin of the distributor mounting construction of internal-combustion engine No.7-42614.In the disclosed a kind of cylinder skull structure of this application, one camshaft is supported on the cylinder head of internal-combustion engine with a camshaft case, one matching surface is arranged on the cylinder head, matching surface on the camshaft case has half-cylindrical outer surface, it is set at the camshaft case that is arranged in place, the vertical two ends of cylinder head, matching surface on the matching surface that the cylinder head of internal-combustion engine covers and the matching surface of cylinder head and the camshaft case meets, wherein, the part of the matching surface on the camshaft case and cylinder head matching surface contact relative with the rectangular right-angled surface of matching surface cylinder head with tilt fixing inclination and improve surface pressure.
The distributor mounting construction of internal-combustion engine is also shown in Japanese utility model application bulletin No.63-141841.In the distributor mounting construction of the disclosed a kind of internal-combustion engine of this application, in this internal-combustion engine, one distributor from camshaft acquisition driving force is positioned at a cylinder head side of covering, one retaining piece of distributor driving shaft reaches outside the cylinder skull from the hole that cylinder head covers, and a distributor fixed support is contained on the external part of this retaining piece.
By the way, in the existing distributor mounting construction of overhead camshaft (Over Head Cam) motor, driven as the rearward end of distributor at camshaft, then adorn a housing in addition on the rear portion of cylinder head camshaft assembly department, a distributor is contained on this housing.
In addition, different as the installation oblique angle of internal-combustion engine according to the kind of machinery, and then must there be the housing that satisfies various situations the method for driving of distributor and mounting point because of the different of oblique angle are installed.
Also promptly, as shown in Figure 9, intersect as the mounting point and the camshaft of distributor, then an end of the cylinder head 104 of internal-combustion engine 102 has a housing 152, and distributor 114 is contained on this housing 152.
In addition, shown in Figure 10 and 11, a camshaft 206 is arranged on the cylinder head 204 of internal-combustion engine 202, a distributor driving gear 224 that stretches out from cylinder head 204 is arranged on camshaft 206 1 ends.The housing 252 usefulness construction bolts 250 of distributor are contained in through O shape ring 254 on the camshaft case 234 of cylinder head 204 and camshaft 206 (being also shown in Figure 12).
In addition, under distributor was arranged in situation on the camshaft, shown in Figure 13 and 14, a camshaft 306 was positioned on the cylinder head 304 of internal-combustion engine 302, and a distributor 314 is positioned on the end of camshaft 306.At this moment, distributor 314 is positioned on the camshaft 306 through a shaft coupling 356, and a housing 352 usefulness construction bolts 350 of distributor 314 install on the camshaft case 334 of cylinder head 304 and camshaft 306 through O shape ring 354.
In addition, as shown in figure 15, in another embodiment, a distributor 414 installs on the cylinder head 404 of internal-combustion engine 402 through a housing 452.
Therefore,, therefore must guarantee the sealing between this housing and the cylinder head, thereby make troubles for actual the use because other has one housing is installed.
When distributor is contained on the cylinder head of internal-combustion engine, must use one to satisfy housing, a construction bolt and the O shape ring of mounting point, thereby component number increase, cost improves.
In addition, when distributor is contained on the cylinder head of internal-combustion engine, comprises that the longitudinal length of the cylinder head of this housing increases, thereby be not easy to actual use.
And the part of this housing also is contained on the camshaft case, thereby not only must guarantee the sealing between cylinder head and this housing, also must guarantee the sealing between camshaft case and this housing, thereby be not easy to actual use.
Summary of the invention
In order to overcome above-mentioned shortcoming, an object of the present invention is distributor is directly installed on the cylinder head and need not to use one housing is installed, thereby component number reduces compared to prior art, cost reduces, the length overall of cylinder head shortens and miniaturization, sealed department reduce, the rigidity of the assembly department of distributor improves.
According to the present invention, a kind of distributor mounting construction of internal-combustion engine is provided, this internal-combustion engine comprises a cylinder block, be contained in a cylinder head and the beneath oil sump of described cylinder block on the described cylinder block end face, this distributor mounting construction is characterised in that distributor does not use the installation housing and directly is contained on the described cylinder head.
According to the invention described above, when installing to a distributor on one internal-combustion engine, this distributor directly installs on the cylinder head and does not use one housing is installed, thereby component number reduces compared to prior art, and cost reduces, the length overall of cylinder head shortens, thus the internal-combustion engine miniaturization.
Description of drawings
Fig. 1 is the plan view of the cylinder head of first embodiment of the invention;
Fig. 2 is for to cut open the sectional drawing of getting along IIL-IIL line among Fig. 1 and IIR-IIR line;
Fig. 3 is the enlarged diagram of a distributor;
Fig. 4 is the front view of a cylinder head;
Fig. 5 is the plan view of a cylinder head;
Fig. 6 is the right side view of a cylinder head;
Fig. 7 is the right side schematic representation of the cylinder head of second embodiment of the invention;
Fig. 8 is the front view of a cylinder head;
Fig. 9 is the plan view of an internal-combustion engine, and first prior art in the present invention one system 1 is shown;
Figure 10 is the plan view of a cylinder head, and second prior art in the present invention one system 1 is shown;
Figure 11 is the sectional drawing of a cylinder head;
Figure 12 is the plan view of a cylinder head;
Figure 13 is the plan view of a cylinder head, and first prior art in the present invention one system 2 is shown;
Figure 14 is the sectional drawing of a cylinder head;
Figure 15 is the right side view of an internal-combustion engine, and second prior art in the present invention one system 2 is shown.
Embodiment
Below in conjunction with accompanying drawing in detail embodiments of the invention are described in detail.
Fig. 1-6 illustrates first embodiment of the invention.In Fig. 1-3, label 2 expressions one internal-combustion engine, 4 expressions, one cylinder head.
Internal-combustion engine 2 comprises that a unshowned cylinder block, is contained in an oil sump (not shown) of cylinder head 4 on this cylinder block end face and this cylinder block bottom.
In addition, above cylinder head 4, vertically (among Fig. 1 and 2 laterally) of a camshaft 6 and cylinder head 4 is parallel, and the pitman arm shaft 10 that a usefulness bolt 8 is fixed is parallel with camshaft 6, and a rocking arm 12 is arranged on the pitman arm shaft 10.
At this moment, a distributor 14 directly is contained on the cylinder head 4 and does not resemble and use one housing is installed the prior art.
Definitely say as shown in Figure 5, a camshaft supporting portion 16 is arranged on the cylinder head 4, the mounting hole 18 of an installation distributor 14 is arranged on the rear end of camshaft supporting portion 16 (right-hand members in the Figure 4 and 5).
Axially (in the Figure 4 and 5 laterally) of the camshaft 6 on mounting hole 18 and the cylinder head 4 are vertical and parallel with the surperficial 4F of a cylinder head.
In addition, have in the cylinder head 4 one with cooling water passage 22 (see figure 3)s of mounting hole 18 vertical, total at least a portion walls 20 with it.
In cooling water passage 22, the vertical coolant outlet 22x of a direction and mounting hole 18 is arranged.
One distributor driving gear 24 is pressed among the rear end 6b (the right of Fig. 1) of camshaft 6.
As shown in Figure 3, a distributor driven gear 26 is arranged on the top of distributor 14, thereby the rotation of camshaft 6 is passed to distributor 14 from distributor driving gear 24.
The one O shape ring of label 28 expression distributors 14, the sealing on the 30 expression cylinder heads 4,32 expressions, one cylinder skull, a camshaft case of 34 expression camshafts 6, the fixed screw holes when 36 expressions are vertical, the fixed screw holes when 38 expressions are coaxial.
The following describes working condition.
When on the cylinder head 4 that as shown in figs. 1 and 3 distributor 14 is contained in internal-combustion engine 2, distributor 14 inserts in the mounting hole 18 from the leading edge (top Fig. 1) of cylinder head 4, the distributor driven gear 26 of distributor 14 top ends and 24 engagements of the distributor driving gear on the camshaft 6 rear end 6b.
At this moment, O shape ring 28 is positioned at distributor 14 middle parts, O shape ring 28 sealings of guaranteeing between mounting hole 18 and the distributor 14, and the sealing 30 of cylinder head is contained on the cylinder head 4.
Like this, distributor 14 can directly be contained on the cylinder head 4 of internal-combustion engine 2 and need not to resemble and use a housing the prior art, thereby component number reduces compared to prior art, cost reduces, reduce because of the length overall of cylinder head 4 shortens miniaturization, sealed department, the rigidity of the assembly department of distributor 14 improves, the number that always adds of cylinder head reduces.
In addition, axially (Figure 4 and 5 laterally) of the camshaft 6 on mounting hole 18 and the cylinder head 4 are vertical and parallel with cylinder head surface 4F, thereby are convenient to process.
In addition, mounting hole 18 openings are at the leading edge (Fig. 1 middle and upper part) of cylinder head 4, distributor 14 inserts from leading edge, thereby distributor 14 is not subjected to the influence of trailing edge heat, the heat of the trailing edge in the tilting forward internal-combustion engine of trailing edge for example, even it is also be convenient to when therefore being contained on the vehicle adjust, thereby easy to use.
In addition, cooling water passage 22 and mounting hole 18 vertical and in cylinder head total a part of at least wall portion 20, thereby the rigidity of the assembly department of distributor 14 improves.
Fig. 7 and 8 illustrates second embodiment of the invention.In a second embodiment, identical with above-mentioned first embodiment label represents to act on parts same as described above.
According to second embodiment's feature, the distributor 14 that directly is contained on the cylinder head 4 is coaxial with the camshaft 6 on the cylinder head 4.
That is, be processed into the cylinder head 4 of internal-combustion engine 2 simultaneously and camshaft case 42 backs are contained in distributor 14 in the mounting hole 44.
At this moment, on one mounting arm 46 of distributor 14 notch 48 is arranged, the back is with the angle of notch 48 adjusting distributors 14 in a unshowned retaining thread hole (seeing label 38 among Fig. 6) that screws in cylinder heads 4 with construction bolt 50, screws construction bolt 50 then and distributor 14 is fastened on the cylinder head 4.
Like this, the same with first embodiment, distributor 14 can directly be contained on the cylinder head 4 of internal-combustion engine 2 and need not to resemble and use a housing the prior art, thereby component number reduces, cost reduces.
In addition, mounting hole 44 is processed simultaneously with the cylinder head 4 and the camshaft case 42 of internal-combustion engine 2, and distributor 14 is contained in the mounting hole 44, thereby fuses with cylinder head and be convenient to actual use.
As detailed above, according to the present invention, provide a kind of distributor mounting construction of internal combustion engine, This internal combustion engine comprises that a cylinder block, is contained in cylinder head on the described cylinder block end face and described One oil sump of cylinder block below, this distributor directly are contained on the described cylinder head and need not to make Use a holder housing, thus compared to prior art component count minimizing, cost, cylinder head Length overall shorten and miniaturization, sealing reduce, the rigidity of the installation portion of distributor improves, The number that always adds of cylinder head reduces.
Claims (3)
1, a kind of distributor mounting construction that is used for an internal-combustion engine, this internal-combustion engine comprises that a cylinder block, is contained in an oil sump of cylinder head on the described cylinder block end face and described cylinder block below, it is characterized in that, one distributor directly is contained on the described cylinder head and need not to use one housing is installed, camshaft on one mounting hole of distributor and the cylinder head axially vertical and parallel with a cylinder head surface, described distributor is contained in the described mounting hole.
By the described distributor mounting construction that is used for internal-combustion engine of claim 1, it is characterized in that 2, described mounting hole opening is at the leading edge of cylinder head, this distributor inserts from this leading edge.
3, by the described distributor mounting construction that is used for internal-combustion engine of claim 1, it is characterized in that, have in the described cylinder head one with the axially vertical and parallel distributor mounting hole of camshaft with cylinder head surface and one vertical with described mounting hole, have the cooling water passage of a part of wall portion at least with it.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3415798A JPH11218069A (en) | 1998-01-30 | 1998-01-30 | Distributor mounting structure of internal combustion engine |
| JP034157/98 | 1998-01-30 | ||
| JP034157/1998 | 1998-01-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1224798A CN1224798A (en) | 1999-08-04 |
| CN1138908C true CN1138908C (en) | 2004-02-18 |
Family
ID=12406379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991002792A Expired - Fee Related CN1138908C (en) | 1998-01-30 | 1999-01-27 | Distributor mounting construction for internal combustion engine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH11218069A (en) |
| CN (1) | CN1138908C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105201648A (en) * | 2015-10-06 | 2015-12-30 | 周家全 | Diesel engine connecting frame of L-shaped structure and technological method thereof |
-
1998
- 1998-01-30 JP JP3415798A patent/JPH11218069A/en active Pending
-
1999
- 1999-01-27 CN CNB991002792A patent/CN1138908C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11218069A (en) | 1999-08-10 |
| CN1224798A (en) | 1999-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |