CN207864066U - A kind of improvement cylinder block crank rotation resistance structure - Google Patents
A kind of improvement cylinder block crank rotation resistance structure Download PDFInfo
- Publication number
- CN207864066U CN207864066U CN201820175422.6U CN201820175422U CN207864066U CN 207864066 U CN207864066 U CN 207864066U CN 201820175422 U CN201820175422 U CN 201820175422U CN 207864066 U CN207864066 U CN 207864066U
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- CN
- China
- Prior art keywords
- connecting rod
- combustion chamber
- bent axle
- cylinder body
- positioning surface
- 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.)
- Expired - Fee Related
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of improvement cylinder block crank rotation resistance structures, including cylinder body and bent axle, cylinder body lower inner is equipped with bent axle, crank rotation is connected in cylinder body, middle part is equipped with combustion chamber inside cylinder body, combustion chamber insertion is arranged in cylinder body, and combustion chamber is equipped with piston, and piston is flexibly connected in the combustion chamber.This kind improves cylinder block crank rotation resistance structure, by being equipped with positioning surface, the relatively previous area of the area of positioning surface is smaller, and positioning surface agrees with completely with bent axle, is proved by experiment, the smaller frictional resistance of positioning surface is smaller, in contrast, this design has carried out appropriate adjustment to bent axle positioning surface area, and engine can reduce crank rotation resistance in rotation, can effectively improve component running efficiency.
Description
Technical field
The utility model is related to cylinder field of mechanical technique, specially a kind of improvement cylinder block crank rotation resistance structure.
Background technology
So-called bent axle is most important component in engine.It bears the power that connecting rod transmits, and it is logical to be transformed into torque
Bent axle is crossed to export and other attachmentes on engine is driven to work.Bent axle is by the centrifugal force of gyrating mass, the gas of mechanical periodicity
The collective effect of inertia force and reciprocal inertia force makes bent axle bear the effect of flexion torsion load.Therefore it is required that bent axle has enough
Strength and stiffness, journal surface need it is wear-resisting, work uniformly, balance it is good.
But existing crank rotation positioning surface design is incomplete, and positioning surface is bonded completely with bent axle contact surface, is existed and is turned
Dynamic resistance is big, and then the partial power of meeting consumption of engine, bent axle can cause engine life to shorten under rubbing with connecting rod, simultaneously
The positioning surface casting waste raw material of large volume, the design defect such as processing waste of time.
So how to design a kind of improvement cylinder block crank rotation resistance structure, becoming us will currently solve the problems, such as.
Utility model content
The purpose of this utility model is to provide a kind of improvement cylinder block crank rotation resistance structures, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions：A kind of improvement cylinder block crank rotation resistance
Structure, including cylinder body and bent axle, the cylinder body lower inner are equipped with bent axle, and the crank rotation is connected to cylinder sheet
In vivo, middle part is equipped with combustion chamber inside the cylinder body, and the combustion chamber insertion is arranged in cylinder body, the combustion chamber
It is internally provided with piston, the piston flexible connection in the combustion chamber, is equipped with connecting rod, the connecting rod flexible connection below the piston
On piston, valve spring is equipped with above the combustion chamber, the valve spring insertion is arranged in the combustion chamber, outside the bent axle
Side is equipped with lubricating oil, and the lubricating oil is fitted tightly on bent axle, and the bent axle right end is equipped with output shaft, the output shaft welding
It is arranged on bent axle, positioning surface is equipped with below the cylinder body, the positioning surface welding is arranged on cylinder body, the combustion
It burns and is equipped with spark plug above room, the spark plug is fixedly connected on combustion chamber, and air inlet is equipped on the right side of the combustion chamber, described
Air inlet is fixedly connected on combustion chamber, and exhaust outlet is equipped on the left of the combustion chamber, and the exhaust outlet is fixedly connected on combustion chamber
On, stress axis is equipped in the middle part of the bent axle, the stress axis welding is arranged on bent axle, and connecting rod set is equipped with below the connecting rod
Ring, the connecting rod lantern ring welding are arranged on connecting rod.
Further, the connecting rod lantern ring is in " circle ", and connecting rod set ring diameter agrees with stress axis completely.
Further, stress axis outer surface is fixed with antifriction layer with connecting rod set ring outer surface, and antifriction layer is
Chromium plating is on the surface thereof.
Further, the positioning surface interlocking is arranged on cylinder body shell, and the area of the positioning surface is relatively small,
And positioning surface agrees with completely with bent axle.
Further, the connecting rod is fixedly connected on by bearing in piston, and connecting rod rotates in piston.
Further, the lubricating oil is injected into the junction of stress axis connecting rod lantern ring.
Compared with prior art, the utility model has the beneficial effects that：This kind improves cylinder block crank rotation resistance structure,
By being equipped with positioning surface, the area that the area of positioning surface is relatively previous is smaller, and positioning surface agrees with completely with bent axle, is demonstrate,proved by experiment
Bright, the smaller frictional resistance of positioning surface is smaller, and in contrast, this design has carried out appropriate adjustment to bent axle positioning surface area, starts
Machine can reduce crank rotation resistance in rotation, can effectively improve component running efficiency, increase cylinder block gas production, make
Engine efficiency more preferably, while can mitigate casting weight during fabrication, reduce machining period, keep product lighter, solution
Determined the big problem of previous crank rotation resistance, by being equipped with antifriction layer, antifriction layer be chromium plating on the surface thereof, connecting rod lantern ring is straight
Diameter agrees with stress axis completely, and lubricating oil is injected into the junction of stress axis connecting rod lantern ring, and in contrast, chromium plating is to utilize electricity
Principle is solved to last layer antifriction metal (AFM) is plated on stress axis and connecting rod collar face, stress axis and connecting rod collar face can be increased
Finish reduces the resistance generated when its phase mutual friction, while increasing the Corrosion Protection and wearability on surface, makes its own
Physical property is outstanding, add lubricating oil lubricity, extend the service life of bent axle, make its performance more preferably, solve with
Occurs the problem of residue long toward crank shaft friction.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the crankshaft structure schematic diagram of the utility model；
Fig. 3 is the positioning surface planar structure schematic diagram of the utility model.
In figure：1- cylinder bodies；2- pistons；3- bent axles；4- output shafts；5- connecting rods；6- valve spring；7- lubricating oil；8-
Positioning surface；101- spark plugs；102- air inlets；103- exhaust outlets；The combustion chambers 104-；301- stress axis；302- antifriction layers；501-
Connecting rod lantern ring.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 3 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of improvement cylinder block crank rotation resistance knot
Structure, including cylinder body 1 and bent axle 3,1 lower inner of cylinder body are equipped with bent axle 3, and bent axle 3 is rotatably connected on cylinder body 1
Interior, 1 inside middle part of cylinder body is equipped with combustion chamber 104, and the insertion of combustion chamber 104 is arranged in cylinder body 1, in combustion chamber 104
Portion is equipped with piston 2, and piston 2 is movably connected in combustion chamber 104, and 2 lower section of piston is equipped with connecting rod 5, and connecting rod 5 is movably connected in piston
On 2,104 top of combustion chamber is equipped with valve spring 6, and the insertion of valve spring 6 is arranged in combustion chamber 104, and 3 outside of bent axle is equipped with profit
Lubricating oil 7, lubricating oil 7 are fitted tightly on bent axle 3, and 3 right end of bent axle is equipped with output shaft 4, and the welding of output shaft 4 is arranged on bent axle 3,
1 lower section of cylinder body is equipped with positioning surface 8, and the welding of positioning surface 8 is arranged on cylinder body 1, and 104 top of combustion chamber is equipped with spark plug
101, spark plug 101 is fixedly connected on combustion chamber 104, and 104 right side of combustion chamber is equipped with air inlet 102, and air inlet 102, which is fixed, to be connected
It is connected on combustion chamber 104,104 left side of combustion chamber is equipped with exhaust outlet 103, and exhaust outlet 103 is fixedly connected on combustion chamber 104, bent
3 middle part of axis is equipped with stress axis 301, and the welding of stress axis 301 is arranged on bent axle 3, and 5 lower section of connecting rod is equipped with connecting rod lantern ring 501, connecting rod
The welding of lantern ring 501 is arranged on connecting rod 5.
Further, connecting rod lantern ring 501 is in " circle ", and 501 diameter of connecting rod lantern ring agrees with stress axis 301 completely, with
Reduce the vibrations that engine generates.
Further, 301 outer surface of stress axis is fixed with antifriction layer 302, and antifriction with 501 outer surface of connecting rod lantern ring
Layer 302 on the surface thereof, can increase the finish on 501 surface of stress axis 301 and connecting rod lantern ring for chromium plating, reduce it mutually
The resistance generated when friction.
Further, the interlocking of positioning surface 8 is arranged on 1 shell of cylinder body, and the area of positioning surface 8 is relatively small, and fixed
Plane 8 agrees with completely with bent axle 3, and 8 smaller frictional resistance of positioning surface is smaller, conversely, this design to 3 positioning surface of bent axle, 8 area into
Appropriate adjustment is gone.
Further, connecting rod 5 is fixedly connected on by bearing in piston 2, and connecting rod 5 rotation, connecting rod 5 in piston 2 make
The stroke bigger of cylinder is obtained, while meeting the position characteristic of stress axis 301.
Further, lubricating oil 7 is injected into the junction of 301 connecting rod lantern ring 501 of stress axis, to stress axis 301 and connecting rod
Lantern ring 501 is lubricated, and further reduces the resistance between it.
Operation principle：First, the insertion of combustion chamber 104 is arranged in cylinder body 1, and piston 2 is movably connected in combustion chamber 104
Interior, connecting rod 5 is flexibly connected on the piston 2, and rotation in connecting rod 5, connecting rod 5 makes the stroke bigger of cylinder, while meeting stress axis
301 position characteristic, connecting rod lantern ring 501 is in " circle ", and 501 diameter of connecting rod lantern ring agrees with stress axis 301 completely, to reduce
The vibrations that engine generates, then, the welding of stress axis 301 are arranged on bent axle 3,301 outer surface of stress axis and connecting rod lantern ring 501
Outer surface is equipped with antifriction layer 302, and antifriction layer 302 be chromium plating on the surface thereof, stress axis 301 and connecting rod lantern ring can be increased
The finish on 501 surfaces reduces the resistance generated when its phase mutual friction, and finally, the interlocking of positioning surface 8 is arranged in cylinder body 1
On shell, the area of positioning surface is relatively small, and positioning surface agrees with completely with bent axle, is proved by experiment, 8 smaller friction of positioning surface
Resistance is smaller, this design has carried out appropriate adjustment to 3 positioning surface of bent axle, 8 area, effectively improves component running efficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of improvement cylinder block crank rotation resistance structure, including cylinder body (1) and bent axle (3), it is characterised in that：It is described
Cylinder body (1) lower inner is equipped with bent axle (3), and the bent axle (3) is rotatably connected in cylinder body (1), the cylinder sheet
The internal middle part of body (1) is equipped with combustion chamber (104), and the embedded setting of the combustion chamber (104) is in cylinder body (1), the burning
Room (104) is internally provided with piston (2), and the piston (2) is movably connected in combustion chamber (104), is equipped with below the piston (2)
Connecting rod (5), the connecting rod (5) are movably connected on piston (2), and valve spring (6), institute are equipped with above the combustion chamber (104)
The embedded setting of valve spring (6) is stated in combustion chamber (104), lubricating oil (7), the lubricating oil are equipped on the outside of the bent axle (3)
(7) it is fitted tightly on bent axle (3), bent axle (3) right end is equipped with output shaft (4), and output shaft (4) welding is arranged in song
On axis (3), positioning surface (8) is equipped with below the cylinder body (1), positioning surface (8) welding is arranged in cylinder body (1)
On, spark plug (101) is equipped with above the combustion chamber (104), the spark plug (101) is fixedly connected on combustion chamber (104),
Air inlet (102) is equipped on the right side of the combustion chamber (104), the air inlet (102) is fixedly connected on combustion chamber (104), institute
It states and is equipped with exhaust outlet (103) on the left of combustion chamber (104), the exhaust outlet (103) is fixedly connected on combustion chamber (104), described
Stress axis (301) is equipped in the middle part of bent axle (3), stress axis (301) welding is arranged on bent axle (3), below the connecting rod (5)
Equipped with connecting rod lantern ring (501), connecting rod lantern ring (501) welding is arranged on connecting rod (5).
2. a kind of improvement cylinder block crank rotation resistance structure according to claim 1, it is characterised in that：The connecting rod set
Ring (501) is in " circle ", and connecting rod lantern ring (501) diameter agrees with stress axis (301) completely.
3. a kind of improvement cylinder block crank rotation resistance structure according to claim 1, it is characterised in that：The stress axis
(301) outer surface and connecting rod lantern ring (501) outer surface are fixed with antifriction layer (302), and antifriction layer (302) is chromium plating at it
On surface.
4. a kind of improvement cylinder block crank rotation resistance structure according to claim 1, it is characterised in that：The positioning surface
(8) interlocking is arranged on cylinder body (1) shell, and the area of the positioning surface (8) is relatively small, and positioning surface (8) and bent axle
(3) agree with completely.
5. a kind of improvement cylinder block crank rotation resistance structure according to claim 1, it is characterised in that：The connecting rod
(5) it is fixedly connected in piston (2) by bearing, and connecting rod (5) rotation in piston (2).
6. a kind of improvement cylinder block crank rotation resistance structure according to claim 1, it is characterised in that：The lubricating oil
(7) it is injected into the junction of stress axis (301) connecting rod lantern ring (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175422.6U CN207864066U (en) | 2018-01-30 | 2018-01-30 | A kind of improvement cylinder block crank rotation resistance structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175422.6U CN207864066U (en) | 2018-01-30 | 2018-01-30 | A kind of improvement cylinder block crank rotation resistance structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207864066U true CN207864066U (en) | 2018-09-14 |
Family
ID=63460575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820175422.6U Expired - Fee Related CN207864066U (en) | 2018-01-30 | 2018-01-30 | A kind of improvement cylinder block crank rotation resistance structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207864066U (en) |
-
2018
- 2018-01-30 CN CN201820175422.6U patent/CN207864066U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180914 Termination date: 20220130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |