CN106884931B - A kind of balance shaft module - Google Patents
A kind of balance shaft module Download PDFInfo
- Publication number
- CN106884931B CN106884931B CN201510944777.8A CN201510944777A CN106884931B CN 106884931 B CN106884931 B CN 106884931B CN 201510944777 A CN201510944777 A CN 201510944777A CN 106884931 B CN106884931 B CN 106884931B
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- connecting shaft
- balance
- shaft
- diameter
- inner race
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/22—Compensation of inertia forces
- F16F15/24—Compensation of inertia forces of crankshaft systems by particular disposition of cranks, pistons, or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a kind of balance shaft modules.The balance shaft module includes: the first balance shaft (1), and circular first connecting shaft (1b) is provided at one end；Secondary balance shaft (2) is provided with circular second connecting shaft (2b) at one end；And rolling bearing, one end of the bearing inner race (3) of the rolling bearing is socketed on first connecting shaft (1b), the other end is socketed on second connecting shaft (2b), and so that the mode of first balance shaft (1) and the secondary balance shaft (2) unitary rotation links together the two.Balance shaft module of the invention is connected two balance shafts using the bearing inner race of rolling bearing, so as to simply, easily realize installation of the rolling bearing in the balance shaft with major diameter balance weight.
Description
Technical field
The present invention relates to field of mechanical technique, more particularly to a kind of balance shaft module more particularly to a kind of car engine
Machine balance shaft module.
Background technique
Along with the rapid development of automotive engineering, increasingly focus on the economy and comfort of automobile.The vibration of automobile is tight
The comfort of automobile is affected again, and engine is the source of the vibration of automobile.In order to reduce vibration, more and more engines are used
Balance shaft system weakens the vibration that engine generates.
The work of balance shaft is to generate out-of-balance force by rotation, to eliminate the out-of-balance force that engine itself generates, axis class
Rotation bring friction loss seriously affect the raising of economy, more and more rolling bearings replace sliding bearing at present,
To reduce friction loss.
Existing bearing more uses sliding bearing, and crankshaft and sliding bearing generate sliding friction.Sliding friction loss
It is greater than rolling friction.In order to reduce friction, more and more rolling bearings are applied.And the structure of rolling bearing is whole
Circle in use influences the structure of axis very big.
The structure of rolling bearing is full circle, and when use covers on the diameter of axle, it is desirable that the diameter of axle of axis at least side is less than or equal to axis
Diameter, and the diameter of axle two sides of balance shaft only pass through the increase diameter of axle often since the requirement of balance weight is not able to satisfy above-mentioned condition
Method is realized, the diameter of the diameter of axle is increased above balance weight diameter, and increases the requirement that the diameter of axle necessarily brings space, is unfavorable for
Structure design, while increasing material, weight increases.
And no inner-ring bearing is used, and the diameter of axle is required to have enough intensity and wearability, it is desirable that the material of axis, which meets, to be used
It is required that.The shortcomings that prior art: the size of axis is big, and weight is big, is unfavorable for complete machine arrangement.The linear velocity of bearing is big, reduces axis
The service life held.When using no inner-ring bearing, whole axis all uses high performance material, waste.
Thus, it is desirable to have a kind of technical solution come overcome or at least mitigate in the drawbacks described above of the prior art at least one
It is a.
Summary of the invention
The purpose of the present invention is to provide a kind of balance shaft modules to overcome or at least mitigate the drawbacks described above of the prior art
At least one of.
To achieve the above object, the present invention provides a kind of balance shaft module, and the balance shaft module includes: the first balance
Axis is provided with circular first connecting shaft at one end；Secondary balance shaft is provided with circular second connection at one end
Axis；And rolling bearing, one end of the bearing inner race of the rolling bearing are socketed in first connecting shaft, other end socket
The two is connected in second connecting shaft, and in a manner of making first balance shaft and the secondary balance shaft unitary rotation
It is connected together.
Preferably, the bearing inner race is socketed in an interference fit in first connecting shaft, and is matched with interference
The mode of conjunction is socketed in second connecting shaft.
Preferably, in the main body of first connecting shaft and second connecting shaft and the first balance shaft and secondary balance shaft
Torque pin is provided at the root of connection, the torque pin is located at the radial outside of first connecting shaft and the second connecting shaft,
And it is parallel to first connecting shaft and the extension of the second connecting shaft, and be inserted into the respective torque pin hole at the bearing inner race both ends
It is interior.
Preferably, in the main body of first connecting shaft and second connecting shaft and the first balance shaft and secondary balance shaft
Stopper protrusion is provided at the root of connection, the stopper protrusion is outside in the diameter of first connecting shaft and the second connecting shaft
Side, and along the direction protrusion for being parallel to first connecting shaft and the second connecting shaft axis, and cooperation is in the bearing inner race
In corresponding cooperation opening at both ends.
Preferably, the bearing inner race is socketed in first connecting shaft in a manner of transition fit, and with transition
The mode of cooperation is socketed in second connecting shaft；
The bearing inner race and first connecting shaft, by being horizontally through the bearing inner race and first connecting shaft
Connecting pin be connected with each other in a manner of unitary rotation；
The bearing inner race and second connecting shaft, by being horizontally through the bearing inner race and second connecting shaft
Connecting pin be connected with each other in a manner of unitary rotation.It is understood that transverse direction herein refers to perpendicular to first and second
The direction of connecting shaft axis.
Preferably, escape is provided at the root of first connecting shaft and second connecting shaft.
Preferably, the axial length of the bearing inner race is greater than the axial direction of first connecting shaft and second connecting shaft
The sum of length, the axial distance between first balance weight and second balance weight are less than the axial length of roller.
Preferably, first balance shaft is provided with the first balance weight, and institute at the first connecting shaft axially inner side
The envelope diameter for stating the first balance weight is greater than the diameter of first connecting shaft；The secondary balance shaft is in second connecting shaft
The second balance weight is provided at axially inner side；And the envelope diameter of second balance weight is greater than the straight of second connecting shaft
Diameter；First connecting shaft has the same diameter with second connecting shaft, and the envelope diameter of first balance weight is equal to
The envelope diameter of second balance weight.
Preferably, at least one of the envelope diameter of first balance weight and the envelope diameter of second balance weight
Greater than the interior diameter of retainer.
Preferably, the envelope diameter of first balance weight and the envelope diameter of second balance weight are less than the packet of roller
Network outside diameter.
Balance shaft module of the invention is connected two balance shafts using the bearing inner race of rolling bearing, so as to
Simply, easily realize installation of the rolling bearing in the balance shaft with major diameter balance weight.In addition, balance shaft of the invention
Component allows to using rolling bearing under conditions of axle journal two sides are all larger than journal diameter, to effectively reduce design space
And reduce friction.
Detailed description of the invention
Fig. 1 is the schematic diagram of balance shaft module according to a first embodiment of the present invention.
Fig. 2 is the schematic diagram of the first balance shaft in balance shaft module shown in Fig. 1.
Fig. 3 is the schematic diagram of balance shaft module according to a second embodiment of the present invention.
Fig. 4 is the schematic diagram of the inner ring of balance shaft module middle (center) bearing shown in Fig. 2.
Fig. 5 is the schematic diagram of balance shaft module according to a third embodiment of the present invention.
Fig. 6 is the schematic diagram of the inner ring of balance shaft module middle (center) bearing shown in Fig. 5.
Fig. 7 is the schematic diagram of balance shaft module according to a fourth embodiment of the present invention.
Fig. 8 is schematic cross-sectional view of the balance shaft module shown in Fig. 7 at connecting pin.
Appended drawing reference:
| 1 | First balance shaft | 5 | Retainer |
| 1a | First balance weight | 6 | Roller |
| 1b | First connecting shaft | 7 | Torque pin |
| 1c | Escape | 7a | Torque pin hole |
| 2a | Second balance weight | 8 | Stopper protrusion |
| 2b | Second connecting shaft | 8a | Cooperation opening |
| 3 | Bearing inner race | ||
| 4 | Connecting pin |
Specific embodiment
In the accompanying drawings, same or similar element is indicated using same or similar label or there is same or like function
Element.The embodiment of the present invention is described in detail with reference to the accompanying drawing.
In the description of the present invention, term " center ", " longitudinal direction ", " transverse direction ", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the scope of the invention.
Balance shaft module according to the present invention includes: the first balance shaft, and the first connecting shaft is provided at one end；
Secondary balance shaft is provided with the second connecting shaft at one end；And rolling bearing, the one of the bearing inner race of the rolling bearing
End be socketed in first connecting shaft, the other end is socketed in second connecting shaft, and so that first balance shaft and
The mode of the secondary balance shaft body rotation links together the two.
Further, first balance shaft is provided with the first balance weight at the first connecting shaft axially inner side, and
The envelope diameter of first balance weight is greater than the diameter of first connecting shaft；The secondary balance shaft is in second connection
The second balance weight is provided at axis axially inner side；And the envelope diameter of second balance weight is greater than the straight of second connecting shaft
Diameter.
In above-mentioned balance shaft module, two balance weights have the connecting shaft smaller than balance weight outside diameter, connecting shaft
Cooperated with bearing inner race using interference fit or other fastening means.To which balance shaft module of the invention utilizes the axis of rolling
The bearing inner race held connects two balance shafts, so as to simply, easily realize rolling bearing with major diameter
Installation in the balance shaft of balance weight.In addition, balance shaft module of the invention allow to be all larger than axle journal in axle journal two sides it is straight
Rolling bearing is used under conditions of diameter, to effectively reduce design space and reduce friction.
Fig. 1 is the schematic diagram of balance shaft module according to a first embodiment of the present invention.Fig. 2 is balance shaft module shown in Fig. 1
In the first balance shaft schematic diagram.
The balance shaft module shown in FIG. 1 includes: the first balance shaft 1 positioned at left side；The second balance positioned at right side
Axis 2；And the bearing inner race 3 positioned at center.That is, in the axial direction, rolling bearing is arranged in the first balance shaft 1
Between secondary balance shaft 2.
Referring to Fig. 1, the first balance shaft 1 is provided with the first connecting shaft 1b at one end (left end in Fig. 1).Second balance
Axis 2 is provided with the second connecting shaft 2b at one end.3 one end of bearing inner race is socketed on the first connecting shaft 1b, other end socket
The two is connected to one on the second connecting shaft 2b, and in a manner of making 2 unitary rotation of the first balance shaft 1 and secondary balance shaft
It rises.
First balance shaft 1 is provided with the first balance weight 1a, and the first balance weight 1a at the first connecting shaft 1b axially inner side
Envelope diameter be greater than the first connecting shaft 1b diameter.Secondary balance shaft 2 is provided at the second connecting shaft 2b axially inner side
Two balance weight 2a；And second balance weight 2a envelope diameter be greater than the second connecting shaft 2b diameter.
That is, the first balance shaft 1 is provided with the first balance weight 1a at one end (right end in Fig. 1).First
The first connecting shaft 1b is provided at the end balance weight 1a (right end in Fig. 1).The envelope diameter of first balance weight 1aGreater than institute
State the diameter of the first connecting shaft 1b.Secondary balance shaft 2 is provided with the second balance weight 2a at one end (right end in Fig. 1)；?
The second connecting shaft 2b is provided at the end (left end in Fig. 1) of the second balance weight 2a, wherein the packet of the second balance weight 2a
Network diameter is greater than the diameter of the second connecting shaft 2b.It should be pointed out that schematic structure is preferred, however, the present invention is not limited thereto.
For example, in an alternative embodiment, the first connecting shaft 1b and the second connecting shaft 2b are connected directly to the first balance shaft 1 and
The main part of two balance shafts 2.And balance weight setting with the first connecting shaft 1b and the second connecting shaft 2b have it is certain axial away from
From position at.Furthermore, it is possible to only be provided with balance weight in a balance shaft, or can be in one or each balance shaft
The upper multiple balance weights of setting.
Advantageously, as shown, the first connecting shaft 1b has the same diameter with the second connecting shaft 2b, the first balance weight
The envelope diameter of 1a is equal to the envelope diameter of the second balance weight 2a.This is conducive to the shape and manufacture that simplify bearing inner race.It is more excellent
Choosing, the first balance shaft 1 and secondary balance shaft 2 have the same shape and dimensions.In other words, the first balance shaft 1 and
Two balance shafts 2 are identical components.This advantageously reduces manufacturing cost.
Referring to Fig. 1, in the envelope diameter of the envelope diameter of the first balance weight 1a and the second balance weight 2a at least one
A interior diameter greater than retainer 5.Thus, it is possible to carry out axial limiting to retainer 5.Advantageously, the first balance weight 1a
The envelope diameter of envelope diameter and the second balance weight 2a are both greater than the interior diameter of retainer 5.To in axial sides to guarantor
It holds frame 5 and carries out axial limiting.
Further, the envelope diameter of the envelope diameter of the first balance weight 1a and the second balance weight 2aLess than roller 6
Envelope outside diameterTo guarantee that the balance shaft module after assembly can normally fit into engine or bearing outer ring 9.
One end of bearing inner race 3 is socketed on the first connecting shaft 1b, and the other end is socketed on the second connecting shaft 2b, and so that
The mode of 2 unitary rotation of first balance shaft 1 and secondary balance shaft links together the two.More specifically, the first of diagram
In embodiment, bearing inner race 3 is socketed in an interference fit on the first connecting shaft 1b, and is socketed in an interference fit
On the second connecting shaft 2b.It is achieved in the unitary rotation of the first balance shaft 1 and secondary balance shaft 2.
Referring to Fig. 1, escape 1c is both provided at the root of the first connecting shaft 1b and the second connecting shaft 2b.To
Guarantee that bearing inner race is press-fit into place in the first balance shaft and the connecting shaft of secondary balance shaft, i.e., the end face of bearing inner race is against flat
The end face of weight.
Preferably, as shown, the axial length of bearing inner race 3 is greater than the axis of the first connecting shaft 1b and the second connecting shaft 2b
To the sum of length.That is, being hollow structure among bearing inner race, this can be conducive to the weight of mitigation system.In addition, first
Axial distance between balance weight 1a and the second balance weight 2a is less than the axial length of roller 6.To, after assembly, two
The distance between balance weight is less than the width of bearing roller, guarantees to play a supporting role to bearing inner race while loss of weight, subtract
A possibility that small bearing inner race deforms.
Fig. 3 is the schematic diagram of balance shaft module according to a second embodiment of the present invention.Fig. 4 is balance shaft module shown in Fig. 2
The schematic diagram of middle (center) bearing inner ring.
The difference of diagram second embodiment and first embodiment is, in addition to the interference between bearing inner race and connecting shaft is matched
Except conjunction, it is provided with additional torque transfer arrangement or anti-rotation structure.Specifically, as shown in Figures 3 and 4, in the first balance weight 1a
It is with the end of the second balance weight 2a, i.e., flat in the first connecting shaft 1b and the second connecting shaft 2b and the first balance shaft and second
At the root of the main body connection of weighing apparatus axis, it is provided with torque pin 7.Torque pin 7 is located at the first connecting shaft 1b's and the second connecting shaft 2b
Radial outside, and be parallel to the first connecting shaft 1b and the second connecting shaft 2b and extend, and be inserted into the torque pin at 3 both ends of bearing inner race
In the 7a of hole.Torque pin 7 can be integrally formed with connecting shaft, also can be separately machined component.Advantageously, torque pin 7 with
Interference fit is plugged on the end of the first balance weight 1a and the second balance weight 2a, with transition fit or small clearance fit grafting
In torque pin hole 7a.
It is understood that the quantity and arrangement of torque pin 7 and torque pin hole 7a can according to need setting, without
It is limited to diagramatic way.For example, only one torque pin and corresponding torque pin hole 7a can be set, it also can be set 3 or more
The torque pin hole 7a of uniformly distributed torque pin and respective numbers in multiple circumferential directions.
Fig. 5 is the schematic diagram of balance shaft module according to a third embodiment of the present invention.Fig. 6 is balance shaft module shown in Fig. 5
The schematic diagram of middle (center) bearing inner ring.
The difference of diagram 3rd embodiment and first embodiment is, in addition to the interference between bearing inner race and connecting shaft is matched
Except conjunction, it is provided with additional another torque transfer arrangement or anti-rotation structure.Specifically, flat in the first balance weight 1a and second
The end of weight 2a, the i.e. master in the first connecting shaft 1b and the second connecting shaft 2b and the first balance shaft and secondary balance shaft
At the root of body connection, it is provided with stopper protrusion 8.Stopper protrusion 8 is located at the radial direction of the first connecting shaft 1b and the second connecting shaft 2b
Outside, and along the direction protrusion for being parallel to the first connecting shaft 1b and the second connecting shaft 2b axis, and cooperation is in the axis
It holds in the corresponding cooperation opening 8a at 3 both ends of inner ring.
It is understood that the quantity and arrangement of stopper protrusion 8 and cooperation opening 8a can according to need setting, and
It is not limited to diagramatic way.For example, only one stopper protrusion and corresponding cooperation opening can be set, also can be set 3 or
The cooperation opening of uniformly distributed stopper protrusion and respective numbers in more circumferential directions.
It should be pointed out that stopper protrusion 8 and the shape of cooperation opening 8a are also not necessarily limited to illustrated embodiment.
Fig. 7 is the schematic diagram of balance shaft module according to a fourth embodiment of the present invention.Fig. 8 is balance shaft group shown in Fig. 7
Schematic cross-sectional view of the part at connecting pin.
The difference of diagram fourth embodiment and previous embodiment is, is not that interference is matched between bearing inner race and connecting shaft
It closes, but transition fit or clearance fit, by the connecting pin that is laterally arranged as torque transfer arrangement or anti-rotation structure.
Specifically, bearing inner race 3 is socketed on the first connecting shaft 1b in a manner of transition fit, and with transition fit
Mode is socketed on the second connecting shaft 2b.Bearing inner race 3 and the first connecting shaft 1b, by being horizontally through 3 He of bearing inner race
The connecting pin 4 of the first connecting shaft 1b is connected with each other in a manner of unitary rotation.Bearing inner race 3 and the second connecting shaft 2b lead to
It crosses and is horizontally through the connecting pin 4 of bearing inner race 3 and the second connecting shaft 2b and is connected with each other in a manner of unitary rotation.As shown,
Transverse direction herein refers to the direction perpendicular to the first and second connecting shaft axis.
In the illustrated embodiment, it is provided with 4 connecting pins altogether bearing inner race and connecting shaft link together.It can be with
Understand, the connecting pin of other quantity can be set also to realize connection.
It is understood that connecting pin 4 cannot protrude from the peripheral surface of the bearing inner race of rolling bearing, can not extend
To the installation for interfering bearing outer ring 9.It is therefore advantageous that connecting pin is fixed in corresponding pin hole.For example, by viscous
It ties agent and is fixed in corresponding pin hole.
It should be pointed out that each feature mentioned in the first embodiment, can also be applicable in the present embodiment.
Finally it is noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations.This
The those of ordinary skill in field is it is understood that be possible to modify the technical solutions described in the foregoing embodiments or right
Part of technical characteristic is equivalently replaced；These are modified or replaceed, and it does not separate the essence of the corresponding technical solution originally
Invent the spirit and scope of each embodiment technical solution.
Claims (10)
1. a kind of balance shaft module characterized by comprising
First balance shaft (1) is provided with circular first connecting shaft (1b) at one end；
Secondary balance shaft (2) is provided with circular second connecting shaft (2b) at one end；And
Rolling bearing, one end of the bearing inner race (3) of the rolling bearing are socketed on first connecting shaft (1b), the other end
It is socketed on second connecting shaft (2b), and so that first balance shaft (1) and the secondary balance shaft (2) unitary rotation
Mode the two is linked together.
2. balance shaft module as described in claim 1, which is characterized in that the bearing inner race (3) is in an interference fit
It is socketed in first connecting shaft (1b) and second connecting shaft (2b).
3. balance shaft module as claimed in claim 2, which is characterized in that connect in first connecting shaft (1b) and described second
Torque pin (7), the torque pin are provided at the root that spindle (2b) is connect with the main body of the first balance shaft and secondary balance shaft
(7) it is located at the radial outside of first connecting shaft (1b) and second connecting shaft (2b), and is parallel to first connection
Axis (1b) and the second connecting shaft (2b) extend, and are inserted into the respective torque pin hole (7a) at the bearing inner race (3) both ends Nei.
4. balance shaft module as claimed in claim 2, which is characterized in that connect in first connecting shaft (1b) and described second
Stopper protrusion (8), the backstop are provided at the root that spindle (2b) is connect with the main body of the first balance shaft and secondary balance shaft
Raised (8) are located at the radial outside of first connecting shaft (1b) and the second connecting shaft (2b), and along being parallel to described first
The direction of connecting shaft (1b) and the second connecting shaft (2b) axis protrusion, and cooperate corresponding at the bearing inner race (3) both ends
In cooperation opening (8a).
5. balance shaft module as described in claim 1, which is characterized in that
The bearing inner race (3) is socketed on first connecting shaft (1b) in a manner of transition fit, and with transition fit
Mode be socketed on second connecting shaft (2b)；
The bearing inner race (3) and first connecting shaft (1b), by being horizontally through the bearing inner race (3) and described first
The connecting pin (4) of connecting shaft (1b) is connected with each other in a manner of unitary rotation；
The bearing inner race (3) and second connecting shaft (2b), by being horizontally through the bearing inner race (3) and described second
The connecting pin (4) of connecting shaft (2b) is connected with each other in a manner of unitary rotation.
6. balance shaft module according to any one of claims 1 to 5, which is characterized in that in first connecting shaft (1b) and
Escape (1c) is provided at the root of second connecting shaft (2b).
7. balance shaft module according to any one of claims 1 to 5, which is characterized in that the axial direction of the bearing inner race (3)
Length is greater than the sum of the axial length of first connecting shaft (1b) and second connecting shaft (2b), first balance weight
Axial distance between (1a) and second balance weight (2a) is less than the axial length of roller (6).
8. balance shaft module according to any one of claims 1 to 5, which is characterized in that
First balance shaft (1) is provided with the first balance weight (1a) at the first connecting shaft (1b) axially inner side, and institute
The envelope diameter for stating the first balance weight (1a) is greater than the diameter of first connecting shaft (1b)；
The secondary balance shaft (2) is provided with the second balance weight (2a) at the second connecting shaft (2b) axially inner side；And institute
The envelope diameter for stating the second balance weight (2a) is greater than the diameter of second connecting shaft (2b)；
First connecting shaft (1b) has the same diameter with second connecting shaft (2b), first balance weight (1a)
Envelope diameter is equal to the envelope diameter of second balance weight (2a).
9. balance shaft module as claimed in claim 8, which is characterized in that the envelope diameter of first balance weight (1a) and institute
State the interior diameter that at least one of envelope diameter of the second balance weight (2a) is greater than retainer (5).
10. balance shaft module as claimed in claim 8, which is characterized in that the envelope diameter of first balance weight (1a) and
The envelope diameter of second balance weight (2a) is less than the envelope outside diameter of roller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510944777.8A CN106884931B (en) | 2015-12-16 | 2015-12-16 | A kind of balance shaft module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510944777.8A CN106884931B (en) | 2015-12-16 | 2015-12-16 | A kind of balance shaft module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106884931A CN106884931A (en) | 2017-06-23 |
| CN106884931B true CN106884931B (en) | 2019-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510944777.8A Active CN106884931B (en) | 2015-12-16 | 2015-12-16 | A kind of balance shaft module |
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| CN (1) | CN106884931B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10349201A1 (en) * | 2003-10-23 | 2005-06-02 | Daimlerchrysler Ag | Counter balance shaft for internal combustion engine, has three small diameter bearings, and weight sections including support structure to prevent excessive deflection of sections during high revolutions of shaft |
| CN201283402Y (en) * | 2008-10-20 | 2009-08-05 | 江苏国力锻压机床有限公司 | Overload protection device of bending machine balance shaft |
| CN201347977Y (en) * | 2008-12-26 | 2009-11-18 | 瓦房店鹏东轴承制造有限公司 | Roller bearing based on ball blocking block |
| DE102009035684A1 (en) * | 2009-07-30 | 2011-02-03 | Herzog Intertec Gmbh | Balance shaft for e.g. multicylinder engine, has raceway with axial outer edge region or annular region connected with contact surface of support region in force-fit and/or form-fit and/or material-fit manner |
| CN201763814U (en) * | 2010-09-04 | 2011-03-16 | 胡国贤 | Stressed unilateral bearing |
| CN102597568A (en) * | 2009-07-30 | 2012-07-18 | 赫尔佐克英特尔泰克有限责任公司 | Countershaft |
| CN204712812U (en) * | 2015-06-11 | 2015-10-21 | 江西弘旺汽车制动器制造有限公司 | A kind of balance suspension assembly preventing bearing inner ring from rotating |
-
2015
- 2015-12-16 CN CN201510944777.8A patent/CN106884931B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10349201A1 (en) * | 2003-10-23 | 2005-06-02 | Daimlerchrysler Ag | Counter balance shaft for internal combustion engine, has three small diameter bearings, and weight sections including support structure to prevent excessive deflection of sections during high revolutions of shaft |
| CN201283402Y (en) * | 2008-10-20 | 2009-08-05 | 江苏国力锻压机床有限公司 | Overload protection device of bending machine balance shaft |
| CN201347977Y (en) * | 2008-12-26 | 2009-11-18 | 瓦房店鹏东轴承制造有限公司 | Roller bearing based on ball blocking block |
| DE102009035684A1 (en) * | 2009-07-30 | 2011-02-03 | Herzog Intertec Gmbh | Balance shaft for e.g. multicylinder engine, has raceway with axial outer edge region or annular region connected with contact surface of support region in force-fit and/or form-fit and/or material-fit manner |
| CN102597568A (en) * | 2009-07-30 | 2012-07-18 | 赫尔佐克英特尔泰克有限责任公司 | Countershaft |
| CN201763814U (en) * | 2010-09-04 | 2011-03-16 | 胡国贤 | Stressed unilateral bearing |
| CN204712812U (en) * | 2015-06-11 | 2015-10-21 | 江西弘旺汽车制动器制造有限公司 | A kind of balance suspension assembly preventing bearing inner ring from rotating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106884931A (en) | 2017-06-23 |
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