CN105626302B - The clearance eliminating mechanism of engine crankshaft - Google Patents
The clearance eliminating mechanism of engine crankshaft Download PDFInfo
- Publication number
- CN105626302B CN105626302B CN201410626227.7A CN201410626227A CN105626302B CN 105626302 B CN105626302 B CN 105626302B CN 201410626227 A CN201410626227 A CN 201410626227A CN 105626302 B CN105626302 B CN 105626302B
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- tension force
- eliminating mechanism
- spring
- clearance eliminating
- crankshaft
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Abstract
Clearance eliminating mechanism of the present invention on engine crankshaft, crankcase is equipped with the bent axle worn, crankcase has crankshaft bearing seat, bearing block is equipped with bearing, crankcase is equipped with installation hole seat, mounting hole seat tool has perforation and is formed at the mounting hole of bearing block axial direction wall, and installation hole seat is equipped with clearance eliminating mechanism；Clearance eliminating mechanism includes：Each accommodating and slip tension force plunger, the spring of pushing and pressing tension force plunger, and cover mounting hole and suppress the spacing plate of spring in mounting hole；Bearing includes outer shroud and inner ring, and bearing block includes ringwall portion and straight wall portion；Mounting hole has opening portion, and opening portion is opened in ringwall portion and straight wall portion intersection；To spring-compressed when tension force plunger covers mounting hole by spacing plate, interlocking spring promotes tension force plunger to compress outer shroud and eliminate bent axle gap, avoid engine internal from firing piston is produced weight thrust and makes to produce gap between bent axle, bearing and bearing block, ensure the degree of engagement with bent axle connected components, lift the using effect of engine.
Description
Technical field
The present invention be in relation to a kind of clearance eliminating mechanism of engine crankshaft, espespecially one kind can eliminate engine crankshaft gap, with
And avoid the clearance eliminating mechanism of the clearance eliminating mechanism and the engine crankshaft of other components (accessory) generation interference.
Background technology
When car engine operates, because there are gap between the bent axle and crankshaft bearing, so the bent axle when engine operates
The abnormal sound of shock can be produced with crankshaft bearing, simultaneously because the presence in the gap can more cause, original be meshed with the bent axle its
The defects of engagement of its component is bad produces.
As shown in Figure 1, 2, create TaiWan, China for practitioner and invent No. 93126901 " axis of the crank axle of internal combustion engine
Hold construction ", for the Patent Case in being provided with clearance absorbing mechanism 11 on crankcase 1, which includes a spring
Group plate 111, a spring member 112 and one promotes plug-in unit 113, thereby solves the gap between the bent axle and crankshaft bearing.
However, the length of the clearance absorbing mechanism 11, which has in turn resulted in 11 rear of clearance absorbing mechanism, can not set other components again
Defect.
However, how to be avoided that the clearance absorbing mechanism produces interference with other components, to lift use effect of engine,
The problem urgently overcome for motorcycle dealer.
The content of the invention
Present invention is primarily aimed at a kind of clearance eliminating mechanism of engine crankshaft is provided, engine on the one hand thereby can be eliminated
Bent axle gap, on the other hand overcomes the clearance eliminating mechanism of engine crankshaft easily to produce the defects of disturbing with other components.
The present invention is in order to achieve the above object, used technical way is：A kind of gap of engine crankshaft is provided to disappear
Except mechanism, which is equipped with the bent axle for being arranged in the crankcase, which has crankshaft bearing seat, the crankshaft bearing
Seat is equipped with for supporting the bearing of bent axle, which is equipped with multiple installation hole seats, which has perforation and formed
In the mounting hole of crankshaft bearing seat axial direction wall, which is equipped with clearance eliminating mechanism；The clearance eliminating mechanism includes：
By each accommodating and slip tension force plunger in above-mentioned mounting hole and the spring of the tension force plunger is pushed against, and can be covered at the same time
Cover the spacing plate stated multiple mounting holes and suppress the spring；Wherein, which includes an outer shroud and an inner ring, the bent axle
Bearing block includes a ringwall portion and a straight wall portion；The mounting hole has opening portion, which is to be opened in crankshaft bearing seat
Ringwall portion and straight wall portion intersection；The tension force plunger presses the spring when being by the spacing plate covering mounting hole
Contracting, and then interlock the outer shroud that the spring promotes the tension force plunger to compress the bearing.
The effect of present invention can reach by above-mentioned technological means is：Disappear by multiple gaps are installed on the crankcase
Except mechanism, thereby the pressing part of the spacing plate of the clearance eliminating mechanism can compress the spring, which can be to the tension force
Plunger forms pressure, and the pressure section of the tension force plunger is exposed outside the opening portion of the mounting hole, and to press on the outer shroud of the bearing
On, thereby eliminate the gap of the bent axle, while can avoid producing the piston weight thrust because engine internal fires, the piston
Weight thrust is transferred to the bent axle by the connecting rod, and easily makes to produce gap between the bent axle, bearing and crankshaft bearing seat, thereby may be used
Ensure the degree of engagement of other components being connected with bent axle, and then the using effect of engine entirety can be lifted.
Another effect of the present invention is：Greatest axial length by the tension force plunger of the clearance eliminating mechanism is shorter
In the radical length of the tension force plunger maximum, and axial length after the spring-compressed is the radial direction length of the shorter than spring
Degree, thereby can effectively shorten the length of clearance eliminating mechanism entirety；Therefore, in the crankcase of the clearance eliminating mechanism rear end
Formed with space, which thereby can more lift the using effect of engine for the installation of starter receiver group or other components.
Brief description of the drawings
Fig. 1,2 are inventions No. 93126901 " bearing construction of the crank axle of internal combustion engine ".
Fig. 3 is the clearance eliminating mechanism decomposition diagram of engine crankshaft of the present invention.
Fig. 4 is the clearance eliminating mechanism assembling schematic diagram of engine crankshaft of the present invention.
Fig. 5 is the clearance eliminating mechanism sectional view of engine crankshaft of the present invention.
Embodiment
The effect of to make those skilled in the art be easier to understand the structure of the present invention and can reach, now attached drawing is coordinated to say
It is bright as follows；
First, Fig. 3 is referred to, shown in 5, the clearance eliminating mechanism of engine crankshaft of the invention, which is
It is installed on the crankcase 3 of engine, crankshaft bearing seat 31 is set in the crankcase 3, axis has been installed in the crankshaft bearing seat 31
32 are held, which is equipped with bent axle 4, which has collar 41, which is positioned at the outside of bearing 32, is somebody's turn to do
Bent axle 4 connects a piston (not drawn in attached drawing) by a connecting rod.
As shown in figure 5, the crankshaft bearing seat 31 has ringwall portion 311 and straight wall portion 312；The bearing 32 have outer shroud 321,
Rolling member 322 (in practice with ball or needle roller to implement) and inner ring 323, wherein, which is by outer shroud 321 and interior
Covered folded by ring 323；321 outside diameter of outer shroud of the bearing 32 is slightly less than 311 internal diameter of ringwall portion of the crankshaft bearing seat 31, while the axis
321 outboard end of outer shroud for holding 32 is resisted against in the straight wall portion 312 of the crankshaft bearing seat 31, thereby the bearing 32 be able to install and
For bearing in the ringwall portion 311 of the crankshaft bearing seat 31, two sides of the bent axle 4 are then installation and bearing in the bearing 32
In inner ring 323, thereby the bent axle 4 is thus set to be firmly installed in crankcase 3, and can be by this by the supporting of bearing 32
Piston driving and freely rotate.
As shown in Figure 3,4, which has right crankcase 3a and left crankcase (not drawn in attached drawing), the right bent axle
Multiple installation hole seats 33 are equipped with the outside of case 3a, which corresponds to crankshaft bearing seat axis 31 and axially protrude out formed with installation hole seat
33 installation base 331, the present invention install hole seats 33 to illustrate with two.One end of the installation hole seat 33 is equipped with one
Forming mode is equipped with the mounting hole 34 for running through 31 wall of crankcase 3 (right crankcase 3a) crankshaft bearing seat, two mounting holes
34 are located at so that in the outside 120 degree of angular ranges in 31 center of crankshaft bearing seat, locking hole is equipped with the other end of the mounting hole 34
35；The installation hole seat 33 is installed for the clearance eliminating mechanism 2；The crankcase 3 is additionally provided with can frame of carriage (not drawn in attached drawing)
The lifting lug 3b of connection；The crankcase 3 each has corresponding crankshaft bearing seat in the installation base 331 of the plurality of installation hole seat 33
31 directions, which protrude out, radially extended outwardly has reinforced ribs 3c；Engine (horizontal engine) can be unsteadily pivoted by lifting lug 3b
(do not drawn in attached drawing) on the vehicle frame of scooter-type (pedal two-wheeled is light) motorcycle.
As shown in Fig. 3,5, which opens up an opening portion 341, the opening portion of the mounting hole 34 in the side of bottom
341 are provided by intersection of the outside of crankcase 3 towards the ringwall portion 311 of crankshaft bearing seat 31 and straight wall portion 312, the mounting hole 34
The ringwall portion 311 of the neighbouring crankshaft bearing seat 31 and the intersection in straight wall portion 312 open the opening portion 341, specifically, the opening
The opening in portion 341 is directed towards the collar 41 of the bent axle 4.
As shown in Fig. 3,5, which includes a spacing plate 21, a spring 22 and a tension force plunger 23；
The spacing plate 21 has pressing part 211 and fixed part 212, which has two lockholes 2121, the spacing plate 21
It is on the locking hole 35 for wearing two lockholes 2121 by bolting element S to be locked in right crankcase 3a installation hole seats 33, is somebody's turn to do
Lockhole 2121 is to coincide with the crankcase 3 extended reinforced ribs 3c outwardly, i.e. the reinforced ribs 3c of the crankcase 3 towards the lockhole 2121
Extension line P and the lockhole 2121 center into overlapping；The pressing part 211 can compress the spring 22；22 one end of spring be to
The pressing part 211 of the spacing plate 21 is peaked at, the other end of the spring 22 is stretched into the tension force plunger 23；The tension force plunger 23 has
There is pressure section 231, it for a scarf, the pressure section 231 is the opening portion 341 for being exposed to the mounting hole 34 which, which is,
Outside, thereby the pressure section 231 can be pressed on the outer shroud 321 of the bearing 32.
As shown in Figure 3,4, the fixed part 212 of the spacing plate 21 has the outer anti-arc portion towards 31 projection of crankshaft bearing seat
2122, two lockholes 2121 of the fixed part 212 are each adjacent to the both ends of outer anti-2122 ora terminalis of arc portion, the fixed part 212
It is the radial outside of the crankshaft bearing seat 31 positioned at the crankcase 3；The pressing part 211 of the spacing plate 21 has towards crankshaft bearing
The interior arc portion 2111 of 31 direction indents of seat, the pressing part 211 are extended towards 31 center of crankshaft bearing seat and are located at the crankshaft bearing
The outside of 31 outer end 31a of seat；The arc length of the wherein interior arc portion 2111 is shorter than the arc length of the outer anti-arc portion 2122；By
This can enable the spacing plate 21 be combined with the more compactification of crankcase 3.
As shown in Fig. 3,5, wherein, the greatest axial length L of the tension force plunger is the footpath of the shorter than tension force plunger maximum
To length D, and axial length L 1 after the spring-compressed is the radical length D1 of the shorter than spring, while also shorter than this
The radical length D of power plunger maximum, thereby can effectively shorten the overall length of the clearance eliminating mechanism 2, between being somebody's turn to do with reduction installation
After gap eliminating machine 2 interference is produced with other components.
Again Fig. 3,4,5 please be coordinate to refer to jointly, the clearance eliminating mechanism of engine crankshaft of the invention is implemented, and the present invention is peace
Equipped with multigroup clearance eliminating mechanism 2, following embodiments only illustrate by taking the installation of one of which as an example；The clearance eliminating mechanism 2 is
It is installed between lifting lug 3b and the crankshaft bearing seat 31；Tension force plunger 23, the spring 22 of the clearance eliminating mechanism 2 sequentially fill
Enter the mounting hole 34 of the crankcase 3 (right crankcase 3a), then the spacing plate 21 is worn into fixed part 212 with bolting element S
Two lockholes 2121 are installed to be locked in right crankcase 3a on the locking hole 35 of hole seat 33, the pressing part of the spacing plate 21
211 can compress the spring 22, which can form pressure, the pressure section of the tension force plunger 23 to the tension force plunger 23
231 expose outside the opening portion 341 of the mounting hole 34, and to press on the outer shroud 321 of the bearing 32, thereby eliminate the bent axle
4 gap, while can avoid producing the piston weight thrust because engine internal fires, the heavy thrust of the piston is passed by the connecting rod
The bent axle 4 is handed to, and easily makes to produce gap between the bent axle 4, bearing 32 and crankshaft bearing seat 31, thereby can ensure that and bent axle 4
The degree of engagement for the other components being connected, and then the using effect of engine entirety can be lifted.
As shown in Fig. 3,5, more needing one to carry is, due to the greatest axial length L of the tension force plunger 23 of the clearance eliminating mechanism 2
It is the radical length D of the shorter than tension force plunger maximum, and the axial length L 1 after the spring-compressed is the shorter than spring
Radical length D1, thereby can effectively shorten the overall length of the clearance eliminating mechanism 2；Therefore, after the clearance eliminating mechanism 2
Formed with space in the crankcase 3 at end, the space for starter receiver group 5 or other components (such as oil pump transmission mechanism, unidirectionally from
Clutch, generator etc.) installation, thereby can more lift the using effect of engine.
The effect of of the invention, is, by multiple clearance eliminating mechanisms 2 are installed on the crankcase 3, thereby the gap eliminates
The pressing part 211 of the spacing plate 21 of mechanism 2 can compress the spring 22, which can form the tension force plunger 23 and press
Power, the pressure section 231 of the tension force plunger 23 are exposed outside the opening portion 341 of the mounting hole 34, and to press on the outer of the bearing 32
On ring 321, thereby the gap of the bent axle 4 is eliminated, while can avoid producing the piston weight thrust because engine internal fires, should
The weight thrust of piston is transferred to the bent axle 4 by the connecting rod, and easily makes to produce between the bent axle 4, bearing 32 and crankshaft bearing seat 31
Raw gap, thereby can ensure that the degree of engagement for the other components being connected with bent axle 4, and then can lift the use effect of engine entirety
Fruit.
Another effect of the present invention is, by the maximum of the tension force plunger of the tension force plunger 23 of the clearance eliminating mechanism 2
Axial length L is the radical length D of the shorter than tension force plunger maximum, and the axial length L 1 after the spring-compressed is shorter
In the radical length D1 of the spring, it thereby can effectively shorten the overall length of the clearance eliminating mechanism 2；Therefore, disappear in the gap
Except in the crankcase 3 of 2 rear end of mechanism formed with space, the space for starter receiver group 5 or other components installation, thereby more
The using effect of engine can be lifted.
The clearance eliminating mechanism of the engine crankshaft of the present invention can really achieve the purpose that demand by above-mentioned construction, should be
Meet the important document of the novelty of patent of invention, creativeness and industrial applicibility, therefore propose the application of patent of invention in accordance with the law, request expensive
The detailed mirror of auditor, and the authorization for checking and approving patent of invention is grant, to sense moral just.
【Symbol description】
1 crankcase, 11 clearance absorbing mechanism
111 groups of springs plate, 112 spring member
113 promote plug-in unit
2 clearance eliminating mechanism, 21 spacing plate
Arc portion in 211 pressing parts 2111
212 fixed part, 2121 lockhole
Anti- arc portion outside 2122
22 springs
23 tension force plunger, 231 pressure section
3 crankcase 3a right crankcase 3b lifting lugs
3c reinforced ribs
31 crankshaft bearing seat, 311 ringwall portion
312 straight wall portions 31a outer ends
32 bearing, 321 outer shroud
322 rolling member, 323 inner ring
33 installation 331 installation bases of hole seat
34 mounting hole, 341 opening portion
35 locking holes
4 bent axle, 41 collar
5 starter receiver groups
The greatest axial length of L tension force plungers
Axial length after L1 spring-compresseds
The radical length of D tension force plunger maximum
The radical length of D1 springs
S bolting elements
P extension lines
Claims (10)
1. a kind of clearance eliminating mechanism of engine crankshaft, which is equipped with the bent axle for being arranged in crankcase, which has song
Bearing housing, the crankshaft bearing seat are equipped with for supporting the bearing of bent axle, which includes an outer shroud and an inner ring, the bent axle
Bearing block includes a ringwall portion and a straight wall portion, it is characterised in that：The crankcase is equipped with multiple installation hole seats, the installation hole seat
With penetrating through and being formed at the mounting hole of crankshaft bearing seat axial direction wall, which is equipped with clearance eliminating mechanism；
The clearance eliminating mechanism includes：By respective accommodating and slip tension force plunger in above-mentioned mounting hole and push against this
The spring of power plunger, and above-mentioned multiple mounting holes can be covered at the same time and suppress the spacing plate of the spring；
The opening portion that the mounting hole has, the opening portion are ringwall portion and the straight wall portion intersection for being opened in crankshaft bearing seat；
The tension force plunger is compressed the spring when being by the spacing plate covering mounting hole, and then interlocks spring promotion
The tension force plunger compresses the outer shroud of the bearing.
2. the clearance eliminating mechanism of engine crankshaft as claimed in claim 1, it is characterised in that housed in the plurality of mounting hole
Tension force plunger, the greatest axial length of the tension force plunger is the radical length of the shorter than tension force plunger maximum.
3. the clearance eliminating mechanism of engine crankshaft as claimed in claim 1, it is characterised in that the plurality of to be placed in mounting hole
Suppressed by the spacing plate and push against the spring of the tension force plunger, the axial length after the spring-compressed is the shorter than tension force column
Fill in maximum radical length.
4. the clearance eliminating mechanism of the engine crankshaft as described in claim 1 or 3, it is characterised in that the plurality of to be placed in installation
Suppressed in hole by the spacing plate and push against the spring of the tension force plunger, the axial length after the spring-compressed is shorter than its bullet
The radical length of spring.
5. the clearance eliminating mechanism of engine crankshaft as claimed in claim 1, it is characterised in that the outer race that compresses
The tension force plunger, is to be used as pressure section using an inclined-plane；And the spacing plate is tablet.
6. the clearance eliminating mechanism of the engine crankshaft as described in claim 1 or 5, it is characterised in that the spacing plate has
Fixed part and pressing part, the fixed part are the radial outsides of the crankshaft bearing seat positioned at crankcase；The pressing part is towards in bent axle
Heart direction extend into the outside of the outer end of the crankshaft bearing seat of crankcase, and lid covers the spring and is allowed to push against the tension force plunger pressure
Outer shroud to the bearing；The fixed part has the outer anti-arc portion towards crankshaft bearing seat projection；The pressing part has direction
The interior arc portion of crankshaft bearing seat indent；The fixed part of the spacing plate has two lockholes, and the lockhole is each neighbouring outer
The both ends of the arc ora terminalis of anti-arc portion；The arc length of the interior arc portion of the indent is the arc length of the outer anti-arc portion of shorter than projection
Degree.
7. the clearance eliminating mechanism of engine crankshaft as claimed in claim 1, it is characterised in that the crankcase corresponds to crankshaft bearing
Axial protrude out of seat each has formed with multiple installation respective installation bases of hole seat, the crankcase in the plurality of installation base
There are radially extended reinforced ribs, the spacing plate has fixed part, and the installation base, which corresponds to, is equipped with lock at fixed part
Solid hole, the locking hole are the extension lines for coinciding with reinforced ribs.
8. the clearance eliminating mechanism of engine crankshaft as claimed in claim 1, it is characterised in that the plurality of mounting hole be located at
In 120 degree of angular range centered on crankshaft bearing seat.
9. the clearance eliminating mechanism of engine crankshaft as claimed in claim 1, it is characterised in that the clearance eliminating mechanism it is spacing
Also at least provided with starter receiver group or oil pump transmission mechanism or one-way clutch or generator outside plate.
10. the clearance eliminating mechanism of engine crankshaft as claimed in claim 1, it is characterised in that the crankcase is additionally provided with
The lifting lug being connected with vehicle frame, the clearance eliminating mechanism are between crankshaft bearing seat and lifting lug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626227.7A CN105626302B (en) | 2014-11-07 | 2014-11-07 | The clearance eliminating mechanism of engine crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410626227.7A CN105626302B (en) | 2014-11-07 | 2014-11-07 | The clearance eliminating mechanism of engine crankshaft |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105626302A CN105626302A (en) | 2016-06-01 |
| CN105626302B true CN105626302B (en) | 2018-04-27 |
Family
ID=56041559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410626227.7A Active CN105626302B (en) | 2014-11-07 | 2014-11-07 | The clearance eliminating mechanism of engine crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105626302B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1338351A (en) * | 1919-07-07 | 1920-04-27 | Clark J Blankinship | Piston-rod journal-bearing |
| CN1080698A (en) * | 1992-06-26 | 1994-01-12 | 横井产业株式会社 | The diminishing of gap of bearing means |
| US5609422A (en) * | 1993-09-09 | 1997-03-11 | Dr. Ing.H.C.F Porsche Ag | Crankshaft bearing |
| CN1603644A (en) * | 2003-09-30 | 2005-04-06 | 本田技研工业株式会社 | Bearing structure of crankshaft in internal combustion engine |
| CN101684854A (en) * | 2008-09-25 | 2010-03-31 | 本田技研工业株式会社 | Cam chain tension pivot mounting structure of internal combustion engine |
-
2014
- 2014-11-07 CN CN201410626227.7A patent/CN105626302B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1338351A (en) * | 1919-07-07 | 1920-04-27 | Clark J Blankinship | Piston-rod journal-bearing |
| CN1080698A (en) * | 1992-06-26 | 1994-01-12 | 横井产业株式会社 | The diminishing of gap of bearing means |
| US5609422A (en) * | 1993-09-09 | 1997-03-11 | Dr. Ing.H.C.F Porsche Ag | Crankshaft bearing |
| CN1603644A (en) * | 2003-09-30 | 2005-04-06 | 本田技研工业株式会社 | Bearing structure of crankshaft in internal combustion engine |
| CN101684854A (en) * | 2008-09-25 | 2010-03-31 | 本田技研工业株式会社 | Cam chain tension pivot mounting structure of internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105626302A (en) | 2016-06-01 |
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