CN209228474U - A kind of new type of cam axis hole design structure engine cylinder cover - Google Patents
A kind of new type of cam axis hole design structure engine cylinder cover Download PDFInfo
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- CN209228474U CN209228474U CN201822057701.5U CN201822057701U CN209228474U CN 209228474 U CN209228474 U CN 209228474U CN 201822057701 U CN201822057701 U CN 201822057701U CN 209228474 U CN209228474 U CN 209228474U
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- hole
- engine cylinder
- camshaft
- cylinder cover
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Abstract
The utility model discloses a kind of new type of cam axis hole design structure engine cylinder covers, including cylinder cap ontology, the upper end of the cylinder cap ontology offers camshaft hole, the front end of the cylinder cap ontology offers engine cylinder cover dust cover mounting hole, the inside of the cylinder cap ontology is provided through cylinder body connection mounting hole, the internal activity of the camshaft hole is equipped with bolt of bearing cap, the outer surface of the bolt of bearing cap is arranged with bearing cap, the two sides of the camshaft hole are fixedly installed with positioning pin, the inside of the camshaft hole offers seal groove, the upper end of the seal groove is movably installed with gasket, the inner wall of the engine cylinder cover dust cover mounting hole is movably installed with sealing ring.The utility model connects mounting hole with cylinder body by camshaft hole, engine cylinder cover dust cover mounting hole, damage of the torsion suffered by camshaft structure to self structure is effectively reduced, transmission efficiency is effectively improved, effectively extends service life, and reduce the degree of wear.
Description
Technical field
The utility model relates to engine cylinder cover technical field, specially a kind of new type of cam axis hole design structure engine
Cylinder cap.
Background technique
Automobile increasingly becomes one of necessity needed for people live, and stability of the people to vehicle complete vehicle, practicability can
It is also increasingly paid close attention to by property, and engine plays decisive role to the reliability of vehicle, wherein camshaft design structure is steady
Qualitative is even more very important significant design, and for camshaft as one of the important component in cylinder head, its effect is control gas
Door unlatching and closed action, although the revolving speed of camshaft is the half of crankshaft in four-stroke engine, but usually it
Revolving speed is still very high, and needs to bear very big torque, therefore the requirement in design to camshaft in terms of intensity and support
Very high, material is usually superior alloy steel or steel alloy, due to valve motion rule be related to an engine power and
Service performance, thus camshaft design in the design process of engine in occupation of highly important status.
Engine cam operating stability decide entire engine so that vehicle comprehensive performance, camshaft work
The size of suffered torsion directly determines the transmission efficiency and service life of camshaft structure during making, and existing product is at present still
The disadvantages of it is low that there are transmission efficiencies, and the service life is short.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of new type of cam axis hole design structure engine cylinder
Lid solves the problems, such as that existing product is low there are still transmission efficiency at present and the service life is short.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of new type of cam axis hole design structure hair
Motivation cylinder cap, including cylinder cap ontology, the upper end of the cylinder cap ontology offer camshaft hole, and the front end of the cylinder cap ontology opens up
There is engine cylinder cover dust cover mounting hole, the inside of the cylinder cap ontology is provided through cylinder body connection mounting hole, the cam
The internal activity of axis hole is equipped with bolt of bearing cap, and the outer surface of the bolt of bearing cap is arranged with bearing cap, the camshaft
The two sides in hole are fixedly installed with positioning pin, and the inside of the camshaft hole offers seal groove, and the upper end of the seal groove is living
Dynamic to be equipped with gasket, the inner wall of the engine cylinder cover dust cover mounting hole is movably installed with sealing ring, the sealing ring
Lower end is fixedly installed with bolt, and the inside of the engine cylinder cover dust cover mounting hole offers slot.
The technical program is advanced optimized, the quantity of the camshaft hole is 20 groups, the engine cylinder cover dust cover
The quantity of mounting hole is six groups.
The technical program is advanced optimized, the inside of the bearing cap offers screw thread, the bolt of bearing cap and bearing
It is meshed between lid.
The technical program is advanced optimized, the front end of the cylinder cap ontology offers air inlet, and the backing of cylinder cap ontology
Offer gas vent, the quantity of air inlet and gas vent is four groups.
The technical program is advanced optimized, the quantity of the positioning pin is 20 groups, and the shape of positioning pin is cylindrical body.
The technical program is advanced optimized, the shape of the seal groove is circle, and the shape of the gasket is trapezoidal.
The technical program is advanced optimized, the shape of the sealing ring is annular, is adapted between the bolt and slot.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of new type of cam axis hole design structure engine cylinder cover, tool
It is standby following the utility model has the advantages that
1, the new type of cam axis hole design structure engine cylinder cover is installed by camshaft hole, engine cylinder cover dust cover
Hole connects mounting hole with cylinder body, and dust-proof cover for engine is fixed on cylinder cap ontology by engine cylinder cover dust cover mounting hole, hair
Motivation cylinder body connects mounting hole by engine cylinder cover cylinder body and is connected on cylinder cap ontology, and camshaft is mounted on by camshaft hole
On cylinder cap ontology, camshaft is driven torsion in rotational movement process and carries out sliding friction with camshaft hole, and radial transmitting turns
Power controls the opening and closing of intake and exhaust valve seating, adjusts the pressure of combustion chamber, so that imflammable gas obtains effective duplicate combustion
It burns, which is effectively reduced damage of the torsion suffered by camshaft structure to self structure, effectively mentions
High transmission efficiency effectively extends service life, and reduces the degree of wear.
2, the new type of cam axis hole design structure engine cylinder cover by positioning pin, seal groove, gasket, sealing ring, is inserted
Pin and slot, bearing cap are placed on camshaft hole, positioning pin makes the position of bearing cap not shift, and prevents in installation axle
Bearing cap shifts when holding bonnet bolt causes to scratch to cylinder cap body surface, the gasket of trapezoidal design improve bearing cap and
Sealing performance between camshaft hole improves engine cylinder cover by the way that sealing ring to be inserted into slot under the cooperation of bolt
Sealing performance between dust cover mounting hole and dust cover prevents dust from entering in engine cylinder cover dust cover mounting hole.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the side structure schematic view of the utility model；
Fig. 3 is the schematic cross-sectional view of the utility model；
Fig. 4 is the assembling structure schematic diagram of the camshaft hole of the utility model；
Fig. 5 is the overlooking structure diagram of the engine cylinder cover dust cover mounting hole of the utility model；
Fig. 6 is the schematic cross-sectional view of the engine cylinder cover dust cover mounting hole of the utility model.
In figure: 1, cylinder cap ontology；2, camshaft hole；3, engine cylinder cover dust cover mounting hole；4, cylinder body connects mounting hole；
5, bolt of bearing cap；6, bearing cap；7, positioning pin；8, seal groove；9, gasket；10, sealing ring；11, bolt；12, slot.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-6 is please referred to, the utility model provides a kind of technical solution: a kind of new type of cam axis hole design structure engine
Cylinder cap, including cylinder cap ontology 1, the upper end of cylinder cap ontology 1 offer camshaft hole 2, and the front end of cylinder cap ontology 1 offers engine
Cylinder cap dust cover mounting hole 3, the inside of cylinder cap ontology 1 are provided through cylinder body connection mounting hole 4, and the inside of camshaft hole 2 is living
Dynamic to be equipped with bolt of bearing cap 5, the outer surface of bolt of bearing cap 5 is arranged with bearing cap 6, the fixed peace in the two sides of camshaft hole 2
Equipped with positioning pin 7, the inside of camshaft hole 2 offers seal groove 8, and the upper end of seal groove 8 is movably installed with gasket 9, starts
The inner wall of machine cylinder cap dust cover mounting hole 3 is movably installed with sealing ring 10, and the lower end of sealing ring 10 is fixedly installed with bolt 11, hair
The inside of motivation cylinder cap dust cover mounting hole 3 offers slot 12.
Specifically, the quantity of camshaft hole 2 is 20 groups, the quantity of engine cylinder cover dust cover mounting hole 3 is six groups.
Specifically, the inside of bearing cap 6 offers screw thread, it is meshed between bolt of bearing cap 5 and bearing cap 6.
Specifically, the front end of cylinder cap ontology 1 offers air inlet, and the backing of cylinder cap ontology 1 offers gas vent, air inlet
The quantity of hole and gas vent is four groups.
Specifically, the quantity of positioning pin 7 is 20 groups, and the shape of positioning pin 7 is cylindrical body.
Specifically, the shape of seal groove 8 is circle, the shape of gasket 9 is trapezoidal.
Specifically, the shape of sealing ring 10 is annular, it is adapted between bolt 11 and slot 12.
When in use, dust-proof cover for engine is fixed on 1 on cylinder cap ontology by engine cylinder cover dust cover mounting hole 3, is sent out
Motivation cylinder body connects mounting hole 4 by engine cylinder cover cylinder body and is connected on cylinder cap ontology 1, and camshaft is pacified by camshaft hole 2
On cylinder cap ontology 1, camshaft is driven torsion in rotational movement process and carries out sliding friction with camshaft hole 2, radial
Rotatory force is transmitted, the opening and closing of intake and exhaust valve seating is controlled, the pressure of combustion chamber is adjusted, so that imflammable gas is effectively repeated
Burning, bearing cap 6 is placed on camshaft hole 2, positioning pin 7 makes the position of bearing cap 6 not shift, and prevents from installing
Bearing cap 6 shifts when bolt of bearing cap 5 causes to scratch to 1 surface of cylinder cap ontology, and the gasket 9 of trapezoidal design improves axis
The sealing performance between lid 5 and camshaft hole 2 is held, by the way that sealing ring 10 to be inserted into slot 12 under the cooperation of bolt 11, is mentioned
High sealing performance between engine cylinder cover dust cover mounting hole 3 and dust cover, prevents dust from entering engine cylinder cover dust-proof
In cover mounting hole 3.
To sum up, the new type of cam axis hole design structure engine cylinder cover, dust-proof cover for engine are dust-proof by engine cylinder cover
Cover mounting hole 3 is fixed on 1 on cylinder cap ontology, and engine cylinder body connects mounting hole 4 by engine cylinder cover cylinder body and is connected to cylinder cap
On ontology 1, camshaft is mounted on cylinder cap ontology 1 by camshaft hole 2, and camshaft is driven torsion simultaneously in rotational movement process
Sliding friction is carried out with camshaft hole 2, it is radial to transmit rotatory force, the opening and closing of intake and exhaust valve seating is controlled, the pressure of combustion chamber is adjusted
Power, so that imflammable gas obtains effective duplicate burning, which is effectively reduced camshaft knot
Damage of the torsion suffered by structure to self structure, effectively improves transmission efficiency, effectively extends service life, and reduce abrasion
Bearing cap 6 is placed on camshaft hole 2 by degree, and positioning pin 7 makes the position of bearing cap 6 not shift, and is prevented in installation axle
Bearing cap 6 shifts when holding bonnet bolt 5 causes to scratch to 1 surface of cylinder cap ontology, and the gasket 9 of trapezoidal design improves bearing
Sealing performance between lid 5 and camshaft hole 2 is improved by the way that sealing ring 10 to be inserted into slot 12 under the cooperation of bolt 11
Sealing performance between engine cylinder cover dust cover mounting hole 3 and dust cover, prevents dust from entering engine cylinder cover dust cover
In mounting hole 3.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of new type of cam axis hole design structure engine cylinder cover, including cylinder cap ontology (1), it is characterised in that: the cylinder cap
The upper end of ontology (1) offers camshaft hole (2), and the front end of the cylinder cap ontology (1) offers engine cylinder cover dust cover peace
Fill hole (3), the inside of the cylinder cap ontology (1) be provided through cylinder body connection mounting hole (4), the camshaft hole (2) it is interior
Portion is movably installed with bolt of bearing cap (5), and the outer surface of the bolt of bearing cap (5) is arranged with bearing cap (6), the camshaft
The two sides in hole (2) are fixedly installed with positioning pin (7), and the inside of the camshaft hole (2) offers seal groove (8), described close
The upper end of sealing groove (8) is movably installed with gasket (9), the inner wall activity installation of the engine cylinder cover dust cover mounting hole (3)
Have sealing ring (10), the lower end of the sealing ring (10) is fixedly installed with bolt (11), the engine cylinder cover dust cover installation
The inside in hole (3) offers slot (12).
2. a kind of new type of cam axis hole design structure engine cylinder cover according to claim 1, it is characterised in that: described convex
The quantity of axle hole (2) is 20 groups, and the quantity of the engine cylinder cover dust cover mounting hole (3) is six groups.
3. a kind of new type of cam axis hole design structure engine cylinder cover according to claim 1, it is characterised in that: the axis
The inside for holding lid (6) offers screw thread, is meshed between the bolt of bearing cap (5) and bearing cap (6).
4. a kind of new type of cam axis hole design structure engine cylinder cover according to claim 1, it is characterised in that: the cylinder
The front end of lid ontology (1) offers air inlet, and the backing of cylinder cap ontology (1) offers gas vent, air inlet and gas vent
Quantity is four groups.
5. a kind of new type of cam axis hole design structure engine cylinder cover according to claim 1, it is characterised in that: described fixed
The quantity of position pin (7) is 20 groups, and the shape of positioning pin (7) is cylindrical body.
6. a kind of new type of cam axis hole design structure engine cylinder cover according to claim 1, it is characterised in that: described close
The shape of sealing groove (8) is circle, and the shape of the gasket (9) is trapezoidal.
7. a kind of new type of cam axis hole design structure engine cylinder cover according to claim 1, it is characterised in that: described close
The shape of seal (10) is annular, is adapted between the bolt (11) and slot (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822057701.5U CN209228474U (en) | 2018-12-07 | 2018-12-07 | A kind of new type of cam axis hole design structure engine cylinder cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822057701.5U CN209228474U (en) | 2018-12-07 | 2018-12-07 | A kind of new type of cam axis hole design structure engine cylinder cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228474U true CN209228474U (en) | 2019-08-09 |
Family
ID=67506683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822057701.5U Active CN209228474U (en) | 2018-12-07 | 2018-12-07 | A kind of new type of cam axis hole design structure engine cylinder cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228474U (en) |
-
2018
- 2018-12-07 CN CN201822057701.5U patent/CN209228474U/en active Active
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