CN207161613U - A kind of crankshaft counter balance - Google Patents
A kind of crankshaft counter balance Download PDFInfo
- Publication number
- CN207161613U CN207161613U CN201721248627.4U CN201721248627U CN207161613U CN 207161613 U CN207161613 U CN 207161613U CN 201721248627 U CN201721248627 U CN 201721248627U CN 207161613 U CN207161613 U CN 207161613U
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- CN
- China
- Prior art keywords
- crankshaft
- installation portion
- balancing weight
- counter balance
- hole
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Abstract
The utility model discloses a kind of crankshaft counter balance, including body, the body includes installation portion and balancing weight, the balancing weight is located at the lower end of installation portion and is splicing construction, crankshaft hole is offered positioned at the upper end of the installation portion, the crankshaft hole is in beveled structure, and the crankshaft hole runs through installation portion, the both ends positioned at the crankshaft hole offer semicircle orifice, its is simple in construction, it is easy to the installation or removal of bent axle, crankshaft counterbalance effect can be improved simultaneously, make crankshaft operation more stable, and alleviate bent axle weight, reduce cost of manufacture, balancing weight and the setting of installation portion splicing, so it is easy to the installation of crankshaft counter balance, so as to improve operating efficiency, reduce job costs, also allow for repairing crankshaft counter balance.
Description
Technical field
A kind of bent axle, more particularly to a kind of improvement crankshaft counterbalance effect are the utility model is related to, makes crankshaft operation more stable
Crankshaft counter balance.
Background technology
Bent axle is one of part of most critical in engine, and it coordinates the gas pressure that will act on piston to become with connecting rod
For the power of rotation, the transmission mechanism on chassis is transmitted to, while drives valve actuating mechanism and other servicing units.In the prior art, it is bent
Axle includes trunnion, connecting rod neck, balance weight and crank arm.Because bent axle subjects explosion pressure, reciprocal inertia force, rotatory inertia
Power so that bent axle carrying situation is extremely complex, causes deflection of crankshaft deformation serious, imbalance rotate and vibration clearly, because
This, balance weight serves the effect for keeping balance and reducing revolution inhomogeneities.
Scientific and technological progress causes parts to develop towards light-weight design direction, and the structure of crankshaft counter balance directly affects bent axle
Weight.Conventional balanced block is generally sector structure, and the barycenter of balance weight is closer from bent axle rotation axis, caused centrifugal force ratio
Smaller, counterbalance effect is poor, although dynamic balancing can also be realized, bent axle weight is big, if to reach preferable counterbalance effect, just
The weight of balance weight is continuously increased, bent axle weight is consequently increased.
On the other hand, rotated at a high speed when bent axle works, so the quality of balance directly affects the comfortable of vehicle driving
Property, if the counterbalance effect of balance weight is undesirable, automobile is vibrated, and just impairs the ride comfort and comfortableness of automobile, and
And production noise, accelerate tired driver, influence traffic safety.
Meanwhile existing crankshaft counter balance is installing the mode of the typically direct grafting of bent axle, is so not easy to bent axle
Installation is fixed, so as to influence the operating efficiency of bent axle, it is therefore necessary to be improved.
Utility model content
Problem to be solved in the utility model is to provide a kind of crankshaft counter balance, and its is simple in construction, is easy to the peace of bent axle
Dress or dismounting, while crankshaft counterbalance effect can be improved, make crankshaft operation more stable, and bent axle weight is alleviated, reduce
Cost of manufacture.
To reach above-mentioned purpose, technical scheme is used by the utility model solves above-mentioned technical problem：A kind of bent axle
Balance weight, including body, the body include installation portion and balancing weight, and the balancing weight is located at the lower end of installation portion and to splice
Structure, crankshaft hole is offered positioned at the upper end of the installation portion, the crankshaft hole is in beveled structure, and the crankshaft hole is through peace
Dress portion, the both ends positioned at the crankshaft hole offer semicircle orifice.
Further, the balancing weight is in semi-circular shape structure, a diameter of 20cm of interior semicircle of the balancing weight 3, the institute
State a diameter of 38cm of the outer semicircle of balancing weight.
Further, interior rounding and outer rounding are provided with positioned at the balancing weight 3, the interior rounding it is a diameter of
2cm, a diameter of 4cm of the outer rounding.
Further, be provided with clamping apparatus between the installation portion and balancing weight, the clamping apparatus include fixture block and
Buckle, the fixture block are integrally disposed upon on installation portion, and the buckle is integrally disposed upon on balancing weight, and the installation portion passes through fixture block
Mutual cooperation with buckle is connected on balancing weight.
Further, a diameter of 1cm of the semicircle orifice, and the semicircle orifice is in extend downwardly setting.
Further, the installation portion is spliced by upper and lower end, the bottom face positioned at the upper end side
Mounting groove is provided with, the bottom face of the upper end opposite side is provided with flexible fastening block, on the side of the bottom
End face is provided with the rotary shaft being engaged with mounting groove, and the opposite side upper surface of the bottom is provided with and flexible fastening block phase
The spacing fixing hole coordinated, the upper end are rotatably connected on bottom by the mutual cooperation of mounting groove and rotary shaft, and
Fixed by the mutual cooperation of flexible fastening block and spacing fixing hole.
Compared with prior art, the technical solution of the utility model has the following advantages that：
1st, a kind of crankshaft counter balance provided by the utility model, its is simple in construction, is easy to the installation or removal of bent axle, together
When can improve crankshaft counterbalance effect, make crankshaft operation more stable, and alleviate bent axle weight, reduce cost of manufacture.
2nd, the setting of balancing weight and installation portion splicing, is so easy to the installation of crankshaft counter balance, so as to improve work effect
Rate, reduce job costs, also allow for repairing crankshaft counter balance.
3rd, crankshaft hole is in beveled structure, and the crankshaft hole runs through installation portion, and the both ends positioned at the crankshaft hole are opened
Provided with semicircle orifice, such setting can improve crankshaft counterbalance effect, make crankshaft operation more stable, and alleviate song
Axle weight, reduces cost of manufacture.
4th, clamping apparatus is provided between the installation portion and balancing weight, the clamping apparatus includes fixture block and buckle, described
Fixture block is integrally disposed upon on installation portion, and the buckle is integrally disposed upon on balancing weight, and the installation portion passes through fixture block and buckle
Mutual cooperation is connected on balancing weight, and its crankshaft counter balance is effectively raised using the setting of fixture block and this form of buckle
Operating efficiency, also allow for the installation or removal with crankshaft counter balance.
5th, installation portion is spliced by upper and lower end, and the bottom face positioned at the upper end side is provided with installation
Groove, the bottom face of the upper end opposite side are provided with flexible fastening block, are provided with positioned at the side upper surface of the bottom
The rotary shaft being engaged with mounting groove, the opposite side upper surface of the bottom are spacing provided with being engaged with flexible fastening block
Fixing hole, the upper end are rotatably connected on bottom by the mutual cooperation of mounting groove and rotary shaft, and such setting is just
In the installation or removal of bent axle, fixed by the mutual cooperation of flexible fastening block and spacing fixing hole, be so easy to
The installation of bent axle is fixed, and plays good fixed effect.
Brief description of the drawings
Fig. 1 is the positive structure schematic of the utility model embodiment；
Fig. 2 is the sectional view of the utility model embodiment；
Fig. 3 is partial enlarged drawing at A of the present utility model；
Fig. 4 is partial enlarged drawing at B of the present utility model.
In figure：It is body 1, installation portion 2, balancing weight 3, semicircle orifice 4, clamping apparatus 5, fixture block 6, buckle 7, interior rounding 8, outer
Rounding 9, upper end 10, bottom 11, mounting groove 12, flexible fastening block 13, rotary shaft 14, spacing fixing hole 15, crankshaft hole
16。
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used to illustrate the utility model, but is not limited to the scope of the utility model.
Embodiment
As Figure 1-4, a kind of crankshaft counter balance that the present embodiment is provided, including body 1, the body 1 include peace
Dress portion 2 and balancing weight 3, the balancing weight 3 is located at the lower end of installation portion 2 and is splicing construction, positioned at the upper end of the installation portion 2
Crankshaft hole 16 is offered, the crankshaft hole 16 is in beveled structure, and the crankshaft hole 16 runs through installation portion 2, described positioned at described
The both ends of crankshaft hole 16 offer semicircle orifice 4, and the balancing weight 3 is in semi-circular shape structure, interior half circular diameter of the balancing weight 3
For 20cm, a diameter of 38cm of the outer semicircle of the balancing weight 3, interior rounding 8 and outer is provided with positioned at the balancing weight 3
Rounding 9, a diameter of 2cm of the interior rounding 8, a diameter of 4cm of the outer rounding 9, positioned at the installation portion 2 and match somebody with somebody
Clamping apparatus 5 is provided between pouring weight 3, the clamping apparatus 5 includes fixture block 6 and buckle 7, and the fixture block 6 is integrally disposed upon installation
In portion 2, the buckle 7 is integrally disposed upon on balancing weight 3, the mutual cooperation clamping that the installation portion 2 passes through fixture block 6 and buckle 7
On balancing weight 3, a diameter of 1cm of the semicircle orifice 4, and the semicircle orifice 4 is in extending downwardly setting, the installation portion 2 by
Upper end 10 and bottom 11 are spliced, and the bottom face positioned at the side of upper end 10 is provided with mounting groove 12, it is described on
The bottom face of the opposite side of end 10 is provided with flexible fastening block 13, is provided with and peace positioned at the side upper surface of the bottom 11
The rotary shaft 14 that tankage 12 is engaged, the opposite side upper surface of the bottom 11 are provided with what is be engaged with flexible fastening block 13
Spacing fixing hole 15, the upper end 10 are rotatably connected in bottom 11 by the mutual cooperation of mounting groove 12 and rotary shaft 14
On, and fixed by the mutual cooperation of flexible fastening block 13 and spacing fixing hole 15.
A kind of crankshaft counter balance that the present embodiment is provided, its is simple in construction, is easy to the installation or removal of bent axle, while energy
Crankshaft counterbalance effect is improved, makes crankshaft operation more stable, and alleviates bent axle weight, reduces cost of manufacture, counterweight
The setting that block 3 and installation portion 2 splice, is so easy to the installation of crankshaft counter balance, so as to improve operating efficiency, reduces work
Cost, also allow for repairing crankshaft counter balance, crankshaft hole is in beveled structure, and the crankshaft hole runs through installation portion 2, described to be located at institute
The both ends for stating crankshaft hole offer semicircle orifice 4, and such setting can improve crankshaft counterbalance effect, make crankshaft operation more
It is stable, and bent axle weight is alleviated, cost of manufacture is reduced, clamping apparatus 5 is provided between the installation portion 2 and balancing weight 3,
The clamping apparatus 5 includes fixture block 6 and buckle 7, and the fixture block 6 is integrally disposed upon on installation portion 2, and the buckle 7 is wholely set
On balancing weight 3, the installation portion 2 is connected on balancing weight 3 by the mutual cooperation of fixture block 6 and buckle 7, its crankshaft counter balance
Using the setting of 7 this form of fixture block 6 and buckle, operating efficiency is effectively raised, also allows for the installation with crankshaft counter balance
Or dismounting, installation portion 2 are spliced by upper end 10 and bottom 11, the bottom face positioned at the side of upper end 10 is provided with
Mounting groove 12, the bottom face of the opposite side of upper end 10 is provided with flexible fastening block 13, positioned at the side of the bottom 11
Upper surface is provided with the rotary shaft 14 being engaged with mounting groove 12, and the opposite side upper surface of the bottom 11 is provided with and elasticity
The spacing fixing hole 15 that fixed block 13 is engaged, the upper end 10 are rotated by the mutual cooperation of mounting groove 12 and rotary shaft 14
It is connected on bottom 11, it is such that the installation or removal for being easy to bent axle are set, pass through flexible fastening block 13 and spacing fixing hole
15 mutual cooperation fixes, and is so easy to the installation of bent axle to fix, and plays good fixed effect.
When installing bent axle, it is first by the pull-up of flexible fastening block 13, then rotate upper end 10, its upper end 10 and bottom 11
Stagger, then place crankshaft installed, finally reset its upper end 10, and flexible fastening block 13 is kicked down in bottom 11
In spacing fixing hole 15, it is set to fix bent axle
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvements and modifications can also be made, these change
Enter and retouch and also should be regarded as the scope of protection of the utility model.
Claims (6)
1. a kind of crankshaft counter balance, including body (1), it is characterised in that the body (1) includes installation portion (2) and balancing weight
(3), the balancing weight (3) is located at the lower end of installation portion (2) and is splicing construction, is opened up positioned at the upper end of the installation portion (2)
There is crankshaft hole (16), the crankshaft hole (16) is in beveled structure, and the crankshaft hole (16) runs through installation portion (2), described to be located at
The both ends of the crankshaft hole (16) offer semicircle orifice (4).
2. a kind of crankshaft counter balance according to claim 1, it is characterised in that the balancing weight (3) is in semi-circular shape knot
Structure, interior the semicircle a diameter of 20cm, a diameter of 38cm of the outer semicircle of the balancing weight (3) of the balancing weight (3).
3. a kind of crankshaft counter balance according to claim 2, it is characterised in that be provided with positioned at the balancing weight (3) interior
Rounding (8) and outer rounding (9), a diameter of 2cm of the interior rounding (8), a diameter of 4cm of the outer rounding (9).
4. a kind of crankshaft counter balance according to claim 1, it is characterised in that positioned at the installation portion (2) and balancing weight
(3) clamping apparatus (5) is provided between, the clamping apparatus (5) includes fixture block (6) and buckle (7), and the fixture block (6) integrally sets
Put on installation portion (2), the buckle (7) is integrally disposed upon on balancing weight (3), and the installation portion (2) passes through fixture block (6) and card
The mutual cooperation of button (7) is connected on balancing weight (3).
A kind of 5. crankshaft counter balance according to claim 1, it is characterised in that a diameter of 1cm of the semicircle orifice (4),
And the semicircle orifice (4) is in extend downwardly setting.
6. a kind of crankshaft counter balance according to claim 1, it is characterised in that the installation portion (2) is by upper end (10)
It is spliced with bottom (11), the bottom face positioned at the upper end (10) side is provided with mounting groove (12), the upper end
The bottom face of portion (10) opposite side is provided with flexible fastening block (13), is provided with positioned at the side upper surface of the bottom (11)
The rotary shaft (14) being engaged with mounting groove (12), the opposite side upper surface of the bottom (11) are provided with and flexible fastening block
(13) the spacing fixing hole (15) being engaged, the mutual cooperation that the upper end (10) passes through mounting groove (12) and rotary shaft (14)
It is rotatably connected on bottom (11), and it is spacing by the mutual cooperation progress of flexible fastening block (13) and spacing fixing hole (15)
It is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721248627.4U CN207161613U (en) | 2017-09-27 | 2017-09-27 | A kind of crankshaft counter balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721248627.4U CN207161613U (en) | 2017-09-27 | 2017-09-27 | A kind of crankshaft counter balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161613U true CN207161613U (en) | 2018-03-30 |
Family
ID=61724140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721248627.4U Active CN207161613U (en) | 2017-09-27 | 2017-09-27 | A kind of crankshaft counter balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207161613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143182A (en) * | 2021-03-30 | 2022-10-04 | 广州汽车集团股份有限公司 | Crankshaft structure and engine using same |
-
2017
- 2017-09-27 CN CN201721248627.4U patent/CN207161613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115143182A (en) * | 2021-03-30 | 2022-10-04 | 广州汽车集团股份有限公司 | Crankshaft structure and engine using same |
| CN115143182B (en) * | 2021-03-30 | 2023-09-01 | 广州汽车集团股份有限公司 | Crankshaft structure and engine using same |
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| GR01 | Patent grant |