CN205559683U - Free wheel - Google Patents
Free wheel Download PDFInfo
- Publication number
- CN205559683U CN205559683U CN201620312200.5U CN201620312200U CN205559683U CN 205559683 U CN205559683 U CN 205559683U CN 201620312200 U CN201620312200 U CN 201620312200U CN 205559683 U CN205559683 U CN 205559683U
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- flywheel
- main body
- protrusion
- free wheel
- turntable
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- 238000013016 damping Methods 0.000 claims abstract description 23
- 238000005452 bending Methods 0.000 claims description 13
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 description 12
- 230000005484 gravity Effects 0.000 description 11
- 230000002463 transducing effect Effects 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 9
- 239000002184 metal Substances 0.000 description 4
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model provides a free wheel. This free wheel has the main carousel with bent axle fixed connection, through the cyclic annular free wheel main part of a plurality of bolts with main carousel fixed connection, and the damping plate of clamp between main carousel and free wheel main part, one side of inserting the bolt in the free wheel main part, be formed with the protrusion of outside uplift, this protrusion is located between fastening position and the damping plate's of bolt the configuration position, on main carousel, with free wheel main part fixed connection's state down on the position corresponding to the protrusion of free wheel main part, be formed with corresponding to the uplift shape of this protrusion and crooked flexion. Based on this structure, can make the produced moment of centrifugal force that acts on the free wheel main part reduce.
Description
Technical field
This utility model relates to the flywheel of a kind of flywheel, particularly vehicular engine.
Background technology
Generally, the end in automobile crane one end be provided with for the rotator inertia increasing bent axle with
Make the flywheel of bent axle smooth rotation.Vibration can be produced owing to flywheel main body being directly connected with bent axle,
So, typically use the structure of the end that flywheel main body is arranged on bent axle one end across resilient disc.
Further, in order to suppress the resonance between flywheel main body and resilient disc, also use at flywheel
The structure of the damping component of elastically deformable it is configured with between main body and resilient disc.
Such as, Fig. 6 illustrates the sectional view of a kind of flywheel.This flywheel 100 possesses ring-type flywheel
Main body 110, main turntable 120 and damping block 130.Flywheel main body 110 is by bolt 510
Fix with main turntable 120 and be connected.In space between flywheel main body 110 and main turntable 120
It is configured with damping block 130.Main turntable 120 is clipped between transducing signal dish 300 and reinforcing dish 400,
It is fastened on the end 200 of bent axle one end by bolt 520.Use this structure, it is possible to
Vibration between suppression bent axle and flywheel effectively.
But, owing to above-mentioned flywheel 100 is configured to, the peripheral part of flywheel main body 110 passes through
Bolt 510 is fastenedly connected with the peripheral part of main turntable 120, and the center of gravity of flywheel main body 110 is from spiral shell
The fastening position of bolt 510 farther out, so, when flywheel 100 rotates, under the influence of centrifugal force,
The inner peripheral portion making flywheel main body 110 can be produced with the fastening position of bolt 510 for fulcrum to leaving
The moment that the direction of main turntable 120 is moved.Therefore, in the case of crankshaft high-speed rotates, can
Can occur the bolt 510 that main turntable 120 and flywheel main body 110 combine is loosened,
The situation that space broadens, even flywheel main body 110 deforms of configuration damping block 130.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is, it is provided that one can make work
The flywheel reduced for moment produced by the centrifugal force of flywheel main body.
As the technical scheme of the above-mentioned technical problem of solution, this utility model provides a kind of flywheel.
This flywheel possesses, fix with bent axle be connected main turntable, by multiple bolts and described main turntable
Fix the ring-type flywheel main body connected and be clipped between described main turntable and described flywheel main body
Damping block, it is characterised in that: in the side being screwed into described bolt of described flywheel main body, formed
There is the protrusion of outwards protuberance, this fastening position that uplift part is located in described bolt and described vibration damping
Between the configuration position of plate, fixing with described flywheel main body on described main turntable is connected
Corresponding to, on the position of the described protrusion of described flywheel main body, being formed corresponding to institute under state
The bending section stating the projecting shape of protrusion and bend.
The advantage of above-mentioned flywheel of the present utility model is, tight due to the bolt in flywheel main body
Gu after defining the protrusion of outwards protuberance between the configuration position of position and damping block, flywheel
The center of gravity of main body moves to the fastening position direction of bolt, thus it is possible to make to act on flywheel master
Moment produced by centrifugal force on body reduces.Thus, even if crankshaft high-speed rotate and make from
Mental and physical efforts increase in the case of, be also less likely to occur bolt looseness, configuration damping block space broaden,
The situation of flywheel bulk deformation.
It addition, in above-mentioned flywheel of the present utility model, described protrusion can be formed in institute
State the ring-type raised line in flywheel main body.
Or, in above-mentioned flywheel of the present utility model, described protrusion can be formed in institute
State the multiple block-shaped protrusion in flywheel main body.
Accompanying drawing explanation
Fig. 1 is the sectional view of the mounting structure of the flywheel representing embodiment of the present utility model.
Fig. 2 is the close-up sectional view of the flywheel in Fig. 1.
Fig. 3 is the front view of the flywheel main body in Fig. 1.
Fig. 4 is the front view of the another kind of embodiment of the flywheel main body in Fig. 1.
Fig. 5 is the schematic diagram of the moment in illustration flywheel main body in Fig. 1.
Fig. 6 is the sectional view of the mounting structure of the flywheel representing prior art.
Detailed description of the invention
Hereinafter, referring to the drawings embodiment of the present utility model is illustrated.
In present embodiment, illustrate as a example by the flywheel being arranged on automobile crane.
Fig. 1 is the sectional view of the mounting structure of the flywheel 1 representing present embodiment.Such as Fig. 1 institute
Showing, the flywheel 1 of present embodiment possesses flywheel main body 11, main turntable 12 and damping block 13.
Flywheel main body 11 is fixing by multiple bolts 51 to be assembled on main turntable 12.Flywheel main body 11
And the space between main turntable 12 is configured with damping block 13.Main turntable 12 is clipped in transducing signal
Between dish 30 and reinforcing dish 40, it is installed in the song of automobile engine by multiple bolts 52
On the end 2 of axle one end.
The flywheel 1 installed as described above is when crank rotation, and moment of torsion is from the end of bent axle one end
Portion 2 is delivered to make transducing signal on transducing signal dish 30, main turntable 12 and reinforcing dish 40
Dish 30, main turntable 12 and reinforcing dish 40 rotate, and meanwhile, fix and are assembled on main turntable 12
Flywheel main body 11 also rotate with the rotation of main turntable 12.
In present embodiment, for flywheel main body 11, main turntable 12, damping block 13, sensing
For signal panels 30 and reinforcing dish 40, under above-mentioned installment state, face the end of bent axle one end
The side in portion 2 is face side, and the side facing away from the end 2 of bent axle one end is rear side.Fig. 2,
In Fig. 5, X1 direction represent face side represent towards, X2 direction rear side towards;Y
1 direction represents the direction of the radial outside of flywheel main body 11, main turntable 12 etc., Y2 direction table
Show the direction of the radially inner side of flywheel main body 11, main turntable 12 etc..
Flywheel main body 11, as inertia member, is to have specific thickness and the metal system of definite quality
Annular component, utilizes its inertia can absorb the variation of velocity of rotation of bent axle, makes bent axle steady
Ground rotates.Fig. 2 is the sectional view expanding the first half representing flywheel 1.
As in figure 2 it is shown, flywheel main body 11 is configured to, its peripheral part be formed about for
It is screwed into multiple screw 11b of bolt 51;Position is formed through the circle of its wall thickness therebetween
Opening 11a;Adjacent peripheral edges at this circular open 11a is formed with rake 11e;Incline at this
Tiltedly the radial outside of portion 11e is formed with shallow recess 11d accommodating damping block 13.Rake
11e is configured to, the most thinning towards radially inner side wall thickness from face side.Shallow recess 11d quilt
Be configured to, recessed from face side rearwardly side, across rake 11e around circular open
The cannelure of 11a.The thickness of the damping block 13 of the degree of depth of this cannelure, width and required configuration
Corresponding with width.
It addition, in present embodiment, the face side in flywheel main body 11 (is screwed into bolt 51
Side), the protrusion 11c, this protrusion 11c that are formed with outwards protuberance are positioned at screw 11
B (fastening position of bolt 51) and shallow recess 11d (the configuration position of damping block 13) it
Between.Fig. 3 illustrates the face side of flywheel main body 11, as it is shown on figure 3, protrusion 11c is for being formed
Ring-type raised line in the face side of flywheel main body 11.
Main turntable 12 is to have resilient metal rounding discoid component.The peripheral part of main turntable 12
Rearwardly lateral buckling about 90 degree and form sidewall 12a.It is circular empty that sidewall 12a is surrounded
Between internal diameter more slightly larger than the external diameter of flywheel main body 11, thus flywheel main body 11 can embed main turning
In the circular space that the sidewall 12a of dish 12 is surrounded.
Near the peripheral part of main turntable 12, it is formed with the screw 11b phase with flywheel main body 11
Corresponding multiple through hole 12b.At these through holes 12b by main turntable 12 radially inner side (Y2
Side) the vicinity of ora terminalis, be formed with the projecting shape phase of protrusion 11c with flywheel main body 11
The the first bending section 12c bent towards face side (X1 side) accordingly.Thus, at main turntable
Under 12 states assembled fixing with flywheel main body 11, the protrusion 11c of flywheel main body 11 can
It is embedded in this first bending section 12c.
In the side by radially inner side (Y2 side) of the first bending section 12c of main turntable 12,
It is formed with the first par 12d flatly extended towards radially inner side.This first par 12d
Shallow recess 11d corresponding to flywheel main body 11.Group is fixed in main turntable 12 and flywheel main body 11
Under the state of dress, this first par 12d of main turntable 12 and the shallow recess of flywheel main body 11
Forming space between 11d, this space is used for accommodating damping block 13.
In the side by radially inner side (Y2 side) of the first par 12d of main turntable 12,
It is formed with the second bending section 12e that rearwardly side (X2 side) is tortuous.This second bending section 12
The cross sectional shape of e is trapezoidal, trapezoidal end face towards rear side (X2 side);Trapezoidal by footpath
The inclined-plane gradient one of the rake 11e of the inclined-plane of (Y1 side) and flywheel main body 11 laterally
Cause.When main turntable 12 is with the 11 fixing assembling of flywheel main body, the second of main turntable 12
The above-mentioned inclined-plane of bending section 12e abuts against with the inclined-plane of the rake 11e of flywheel main body 11.
Main turntable 12 is also equipped with being trapped among by the second bending section 12e the second par 12f of centre.
This second par 12f is formed with multiple through hole 12g.These through holes 12g and bent axle one
The multiple bolts hole (not shown) formed on the end 2 of end are corresponding.
Damping block 13 for suppressing the resonance between flywheel main body 11 and main turntable 12 is described above
Like that, shallow recess 11d of flywheel main body 11 and the first par 12 of main turntable 12 it are arranged in
In the space formed between d.This damping block 13 is the annular component of elastically deformable, its width
Corresponding with the width of shallow recess 11d of flywheel main body 11 and the degree of depth with thickness.
Transducing signal dish 30 is arranged in the face side of main turntable 12, is used for making speed probe (not
Diagram) detection bent axle rotating speed.Transducing signal dish 30 is metal rounding discoid component, its radius
Less than the radius of main turntable 12, and slightly bend to face side (X1 side), shape on its outer peripheral edge
Become to have the multiple teeth 31 for Rotating speed measring.The interval of the spaced apart regulation of these teeth 31, rotating speed
Sensor exports the signal of pulse type by detecting each tooth 31.Utilize the signal of this pulse type,
The velocity of rotation of bent axle can be calculated.It addition, at the zone line of transducing signal dish 30, formed
There are the multiple through hole 30gs corresponding with the through hole 12g of main turntable 12.
Reinforcing dish 40 is arranged in the rear side (X2 side) of main turntable 12, is used for supporting main turning
The middle part of dish 12.Reinforcing dish 40 is metal rounding discoid component, and its radius is less than sensing
The radius of signal panels 30, its peripheral part rearwardly side (X2 side) tilts and forms rake 41.
Radially inner side (the Y2 of the second bending section 12e of the gradient of this rake 41 and main turntable 12
Side) the gradient on inclined-plane identical.Zone line at reinforcing dish 40 is formed and main turntable 12
Multiple through hole 40g corresponding for through hole 12g.
After being configured with damping block 13 in shallow recess 11d of flywheel main body 11, by main turntable 12
It is embedded into the rear side of flywheel main body 11, and by the through hole 12b of main turntable 12 and flywheel main body
The screw 11b alignment of 11, inserts bolt 51 in through hole 12b and screw 11b and tightens, just
Can be assembled in fixing for flywheel main body 11 on main turntable 12.
Thereafter, the middle part of main turntable 12 is arranged in the middle part of transducing signal dish 30
And between the middle part of reinforcing dish 40, and by respective through hole (12g, 30g, 40g)
Alignment, is inserted into these through holes (12g, 30g, 40g) by bolt 52 from reinforcing dish 40 side
In, it is then inserted into being arranged in bent axle one end of transducing signal dish 30 face side (X1 side)
The bolt hole that end 2 is provided with is tightened, just can by transducing signal dish 30, main turntable 12 and
Reinforcing dish 40 is arranged on the end 2 of bent axle one end.It addition, transducing signal dish 30 is configured
For, each tooth 31 tilts to face side.
As it is shown in figure 1, when flywheel 1 is installed in end 2 of bent axle one end, fly
The protrusion 11c of wheel body 11 is embedded in the first bending section 12c of main turntable 12;Flywheel
The radial direction of the second bending section 12e of the inclined plane of the rake 11e of main body 11 and main turntable 12
The inclined plane in outside (Y1 side) abuts against;The radial direction of the second bending section 12e of main turntable 12
The inclined-plane of (Y2 side), inner side abuts against with the inclined-plane of the rake 41 of reinforcing dish 40.
Below, with reference to Fig. 5, the advantage of the flywheel 1 with said structure is illustrated.Fig. 5
It is to expand to represent that flywheel main body 11 passes through the sectional view of the part that bolt 51 is combined with main turntable 12.
In Figure 5, W represents the center of gravity of flywheel main body 11;F represents the centrifugal force acting on center of gravity W;
S is denoted as the center of fulcrum, bolt 51 fastening position;L represents from center of gravity W to propping up
The distance of some S.Meanwhile, Fig. 5 is also shown for not setting protrusion 12 in flywheel main body 11
Center of gravity WC in the case of c, act on the centrifugal force FC of center of gravity WC and from center of gravity W
Distance LC of C to fulcrum S.
Generally, in the case of center of gravity and fulcrum are misaligned, the moment around fulcrum can be produced.
This moment can be by the active force perpendicular with the straight line of fulcrum with being connected center of gravity and the length of this straight line
The product of degree (i.e. center of gravity is to the distance of fulcrum) calculates.Therefore, in present embodiment, make
Being used in moment M in flywheel main body 11 to be calculated by M=L × F1, wherein, F1 is
Component on the direction vertical with distance L of centrifugal force F.And do not set grand in flywheel main body 11
In the case of playing portion 11c, acting on moment MC in flywheel main body 11 can be by MC=LC
× FC1 calculates, and wherein, FC1 is that centrifugal force FC is in the direction vertical with distance LC
On component.
As it is shown in figure 5, after arranging protrusion 11c in flywheel main body 11, act on flywheel
The centrifugal force F of main body 11 is roughly the same with centrifugal force FC when not setting protrusion 11c, but weight
Distance L between heart W and fulcrum S shortens (L < LC), and, centrifugal force F with away from
Component F1 in L vertical direction reduces (F1 < FC1), thus, act on flywheel master
Moment M (=L × F1) on body 11 diminishes (M < MC).
Thus, use the structure of the flywheel 1 of present embodiment, owing to making flywheel main body 11 with spiral shell
The fastening position of bolt 51 is that the moment of fulcrum reduces, so, even if rotating at crankshaft high-speed
And in the case of making centrifugal force F increase, be also less likely to occur bolt 51 and loosen, configure damping block
The space of 13 broadens, the situation of flywheel main body 11 deformation.
It addition, in the above-described embodiment, protrusion 11c is for being formed in flywheel main body 11
Ring-type raised line, but this utility model is not limited to this.As shown in Figure 4, protrusion 11
C can also be multiple block-shaped protrusion of the face side being formed at flywheel main body 11.
Claims (3)
1. a flywheel, have fix with bent axle be connected main turntable, by multiple bolts and institute
State main turntable fix the ring-type flywheel main body of connection and be clipped in described main turntable and described flywheel master
Damping block between body, it is characterised in that:
In the side being screwed into described bolt of described flywheel main body, it is formed with the protuberance of outwards protuberance
Portion, this uplift part is located between the fastening position of described bolt and the configuration position of described damping block,
Fixing with described flywheel main body when being connected corresponding to institute on described main turntable
State on the position of described protrusion of flywheel main body, be formed with the protuberance corresponding to described protrusion
Shape and the bending section that bends.
2. flywheel as claimed in claim 1, it is characterised in that:
Described protrusion is the ring-type raised line being formed in described flywheel main body.
3. flywheel as claimed in claim 1, it is characterised in that:
Described protrusion is the multiple block-shaped protrusion being formed in described flywheel main body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620312200.5U CN205559683U (en) | 2016-04-14 | 2016-04-14 | Free wheel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620312200.5U CN205559683U (en) | 2016-04-14 | 2016-04-14 | Free wheel |
Publications (1)
Publication Number | Publication Date |
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CN205559683U true CN205559683U (en) | 2016-09-07 |
Family
ID=56811908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620312200.5U Active CN205559683U (en) | 2016-04-14 | 2016-04-14 | Free wheel |
Country Status (1)
Country | Link |
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CN (1) | CN205559683U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115038894A (en) * | 2020-02-19 | 2022-09-09 | 爱信高丘株式会社 | Flexible flywheel |
-
2016
- 2016-04-14 CN CN201620312200.5U patent/CN205559683U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115038894A (en) * | 2020-02-19 | 2022-09-09 | 爱信高丘株式会社 | Flexible flywheel |
US12000454B2 (en) | 2020-02-19 | 2024-06-04 | Aisin Takaoka Co., Ltd. | Flexible flywheel |
CN115038894B (en) * | 2020-02-19 | 2024-06-11 | 爱信高丘株式会社 | Flexible flywheel |
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