CN204041145U - Drive unit - Google Patents
Drive unit Download PDFInfo
- Publication number
- CN204041145U CN204041145U CN201420354606.0U CN201420354606U CN204041145U CN 204041145 U CN204041145 U CN 204041145U CN 201420354606 U CN201420354606 U CN 201420354606U CN 204041145 U CN204041145 U CN 204041145U
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- rocking arm
- rocker
- free end
- drive unit
- mobile member
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Abstract
The utility model provides a kind of drive unit, comprise: cam (1), the tappet (12) driven by cam (1), driven by tappet (12) and rotate and be hinged on the rocking arm (3) on pitman arm shaft (5), the valve (14) driven by rocking arm (3), the connecting rod (6) be hinged by bearing pin (16) and crank (4), wherein, the free end of crank (4) is connected with driving mechanism, the free end of connecting rod (6) is provided with at least one mobile member (9), mobile member (9) is positioned between tappet (12) and rocking arm (3), drive unit also comprises the secondary-rocker (8) with fixed end and free end, the fixed end of secondary-rocker (8) is provided with stationary axle, mobile member (9) to be movably located between the bottom surface of rocking arm (3) and the end face of the free end of secondary-rocker (8) and to contact with the two.The purpose of this utility model is to provide a kind of rocking arm pendulum angle adjustable and can the drive unit of stable operation.
Description
Technical field
The utility model relates to a kind of drive unit.
Background technique
Publication number is that the Chinese utility model patent of CN202596828U discloses a kind of drive unit, has the internal-combustion engine of this drive unit and uses the vehicle of this internal-combustion engine, and it comprises cam, pitman arm shaft and controlling mechanism.Its do-part can be set on the assigned position of the first working curved surface by the setting section of controlling mechanism, thus the pendulum angle of adjustment rocking arm.In prior art, its deficiency is that controlling mechanism can only be applied to cam and directly compress with rocking arm the drive unit contacted; And in the drive unit with tappet, actuated by cams tappet is elevated, and due to the top cross-section of tappet long-pending less, it cannot stably drive controlling mechanism to run.
Model utility content
For Problems existing in correlation technique, the purpose of this utility model is to provide a kind of rocking arm pendulum angle adjustable and can the drive unit of stable operation.
For achieving the above object, the utility model provides a kind of drive unit, comprise: cam, by cam-actuated tappet, driven by tappet and rotate and be hinged on the rocking arm on pitman arm shaft, the valve driven by rocking arm, and the connecting rod to be hinged by bearing pin and crank, wherein, the free end of crank is connected with driving mechanism, the free end of connecting rod is provided with at least one mobile member, mobile member is between tappet and rocking arm, in addition drive unit also comprises the secondary-rocker with fixed end and free end, the fixed end of secondary-rocker is provided with stationary axle, mobile member to be movably located between the bottom surface of rocking arm and the end face of the free end of secondary-rocker and to contact with the two.
According to the utility model, mobile member is sliding contact member, the end face sliding contact of the bottom surface of sliding contact member and rocking arm and the free end of secondary-rocker; Or mobile member is roller, the end face Structure deformation of the bottom surface of roller and rocking arm and the free end of secondary-rocker.
According to the utility model, the pitman arm shaft of stationary axle and rocking arm is coaxially arranged; Or stationary axle and pitman arm shaft are separated from each other.
According to the utility model, the live axle of driving mechanism and the pitman arm shaft of rocking arm are coaxially arranged; Or the live axle of driving mechanism is positioned at drive unit outside.
According to the utility model, the bottom of tappet compresses with cam and contacts, and the bottom surface of the top of tappet and the free end of secondary-rocker compresses mutually.
According to the utility model; the end face of the bottom surface of rocking arm and the free end of secondary-rocker has respectively: arrange toward each other and the first working surface of cooperatively interacting of shape and the second working surface; wherein, mobile member contacts with the first working surface and the second working surface simultaneously.
According to the utility model, the first working surface and the second working surface are the plane be parallel to each other; Or the first working surface and the second working surface are identical and between the two, spacing the is equal everywhere continuous extension curved surface of shape.
According to the utility model, drive unit also comprises the 3rd working curved surface, and the 3rd working curved surface is positioned at the end of the bottom surface of rocking arm and seamlessly transits with the first working surface and/or the 3rd working curved surface is positioned at the end of the end face of the free end of secondary-rocker and seamlessly transits with the second working surface.
According to the utility model, at least one mobile member is coaxial a pair moveable support arranged, and wherein, the outer surface of any one in a pair moveable support contacts with the bottom surface stating rocking arm; Another outer surface in a pair moveable support contacts with the end face of the free end of secondary-rocker.
According to the utility model, the end face of the free end of secondary-rocker has groove, hold in a groove to the outer surface part of the moveable support contacted with the end face of the free end of secondary-rocker, and the external diameter holding moveable support is in a groove greater than the external diameter of the moveable support contacted with the bottom surface of rocking arm; Or the bottom surface of rocking arm has groove, hold in a groove to the outer surface part of the moveable support contacted with the bottom surface of rocking arm, and the external diameter holding moveable support is in a groove greater than the external diameter of the moveable support contacted with the end face of the free end of secondary-rocker.
Advantageous Effects of the present utility model is:
In drive unit of the present utility model, it comprises the secondary-rocker with fixed end and free end, and mobile member be movably located on the bottom surface of rocking arm and the free end of secondary-rocker end face between and contact with the two.In this drive unit working procedure, if need the pendulum angle of adjusting rock arm, then mobile member can move to appropriate location in by the spacing path limited between rocking arm bottom surface and secondary-rocker free end end face, when mobile member and rocking arm bottom surface contact position change, the pendulum angle of corresponding rocking arm can change, thus the lift of valve is changed; In this process, due to the existence of secondary-rocker, then mobile member can be smooth and easy and stably move and can not depart from above-mentioned spacing path.
In addition, in drive unit of the present utility model, using the bottom surface of the free end of secondary-rocker as spacing path, and not the bottom surface of supporting portion as spacing path is set on the top of tappet, the lateral load that can effectively prevent from tappet top from arranging supporting portion bringing, that is, tappet can not produce biasing force square.Therefore, while the pendulum angle increasing rocking arm, decrease the wearing and tearing of tappet, and ensure the smooth and easy motion of tappet.
In addition, when mobile member is roller, the end face Structure deformation of the bottom surface of roller and rocking arm and the free end of secondary-rocker, and this Structure deformation can reduce friction loss effectively, reduces and drives mobile member to move required driving force.
Further, the bottom surface of rocking arm has the first working surface, and the end face of the free end of secondary-rocker has the second working surface, and the first working surface and the second working surface arrange toward each other and shape cooperatively interacts.Therefore, roller can roll more smoothly between.
And in drive unit, be also provided with the 3rd working curved surface, and the 3rd working curved surface can be positioned at the end of the bottom surface of rocking arm and to seamlessly transit with the first working surface and/or the 3rd working curved surface is positioned at the end of the end face of the free end of secondary-rocker and seamlessly transits with the second working surface.3rd working curved surface can as the mobile desired location of mobile member, when mobile member move to contact with the 3rd working curved surface or depart from time, can regulate the pendulum angle of rocking arm, and then change the lift of valve.
And mobile member can be coaxial a pair moveable support arranged, and the outer surface of this pair moveable support contacts with the bottom surface of rocking arm and the end face of secondary-rocker free end respectively.Therefore the movement of mobile member can be made more stable.Further, groove is set in the bottom surface of free end end face or rocking arm, to hold one of them in above-mentioned a pair moveable support, thus the motion of moveable support is led.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model drive unit embodiment;
Fig. 2 is the structural representation of another embodiment of the utility model drive unit;
Fig. 3 is the structural representation of another embodiment of the utility model drive unit;
Fig. 4 is the structural representation of another embodiment of the utility model drive unit;
Fig. 5 is the structural representation of another embodiment of the utility model drive unit.
Embodiment
Below in conjunction with accompanying drawing, describe embodiment of the present utility model in detail.
Shown in Fig. 1 is the structural representation of the utility model drive unit embodiment.This drive unit comprises cam 1, tappet 12, rocking arm 3 valve 14, connecting rod 6 and crank 4.Wherein, cam 1 drives tappet 12 to move, and rocking arm 3 is hinged on pitman arm shaft 5 and tappet 12 drives rocking arm 3 to rotate, valve 14 by rocking arm 3 actuation movement, together with connecting rod 6 and crank 4 are hinged by bearing pin 16.More specifically, the free end of crank 4 is connected with driving mechanism, and the free end of connecting rod 6 is provided with at least one mobile member 9, and mobile member 9 is between tappet 12 and rocking arm 3.
In addition, drive unit also comprises secondary-rocker 8, and secondary-rocker 8 has fixed end and free end.Wherein, the fixed end of secondary-rocker 8 is provided with the stationary axle for fixed joint rocking arm 8, and above-mentioned mobile member 9 is movably located between the end face of the bottom surface of rocking arm 3 and the free end of secondary-rocker 8, and contacts with the two.That is, mobile member 9 can move (that is, along direction shown in arrow horizontal in Fig. 1) in by the spacing path limited between the bottom surface of rocking arm 3 and the end face of the free end of secondary-rocker 8, and contacts with above-mentioned two surfaces simultaneously.
Further as shown in Figure 1, in the working procedure of the utility model drive unit, cam 1, tappet 12, rocking arm 3, secondary-rocker 8, mobile member 9 and valve 14 together constitute drive mechanism, namely, driven by cam 1 motion of tappet 12 and power to be finally passed to valve 14 through above-mentioned parts, thus control valve 14 aperture in the cylinder.And be arranged in spacing path due to mobile member 9, when mobile member 9 moves, the contact position of itself and rocking arm 3 bottom surface can change, after contact position changes, then also can there is respective change in the pendulum angle of rocking arm 3, thus (that is, cause the change of valve 14 aperture in the cylinder large or reduce) can be changed to the lift of valve 14 further.
Shown in composition graphs 1, if need according to operating mode the lift (aperture) changing (increase or reduce) valve 14, then regulate (in the embodiment shown in fig. 1 for be rotated by driving mechanism driving crank 4 to mobile member 9, rotate further by bearing pin 16 drivening rod 6, promote mobile member 9 by connecting rod 6 to move), make it in by the spacing path limited between the bottom surface of rocking arm 3 and the free end end face of secondary-rocker 8, move to assigned position, thus the pendulum angle changing rocking arm 3 is finally to reach the object of the lift changing valve 14.In this process, mobile member 9 can have larger moving range (that is, the moving range of movement in spacing path).Compared with prior art, if not this secondary-rocker 8, then the shift motion of mobile member 9 is too short, significantly cannot regulate the pendulum angle of rocking arm 3.And due to the existence of secondary-rocker 8, then mobile member 9 can be smooth and easy and stably move in above-mentioned spacing path.
In an alternate embodiment of the invention, composition graphs 1 and Fig. 2 contrast, and what illustrate is two kinds of different structures of mobile member 9.In FIG, mobile member 9 is roller, the end face Structure deformation of the bottom surface of roller and rocking arm 3 and the free end of secondary-rocker 8; And in fig. 2, mobile member 9 is the bottom surface sliding contact of the bottom surface of sliding contact member (such as, slide block) sliding contact member and rocking arm 3 and the free end of secondary-rocker 8.Certainly should be appreciated that and adopt sliding motion structure or rolling structure to be all fine, this can determine according to concrete service condition, and the utility model is not limited to this.In addition, it is also understood that when mobile member 9 is for roller, the end face Structure deformation of the bottom surface of roller and rocking arm 3 and the free end of secondary-rocker 8, and this Structure deformation can reduce friction loss effectively, reduces and drives mobile member to move required driving force.
Further, in other optional embodiment, composition graphs 1 and Fig. 3 contrast, and what illustrate is two kinds of different structures of secondary-rocker 8.In FIG, the stationary axle of secondary-rocker 8 and the pitman arm shaft 5 of rocking arm 3 are coaxially arranged; And in the embodiment shown in fig. 3, stationary axle and the pitman arm shaft 5 of secondary-rocker 8 are separated from each other, that is, the stationary axle of secondary-rocker 8 can be arranged on other fixed mechanisms outside drive unit.Certainly should be appreciated that above-mentioned two kinds of structures all can be determined according to concrete service condition, the utility model is not limited to this.
In addition, in other alternative-embodiments, as shown in Figure 1, the live axle for the driving mechanism of driving crank 4 rotation coaxially can be arranged with pitman arm shaft 5; And (do not illustrate in the drawings) in a further embodiment, the live axle of driving mechanism can be positioned at the outside of drive unit, that is, made the drive shaft turns of driving mechanism by the effect of external drive equipment.Certainly should be appreciated that driving mechanism can be drive motor, hydraulic mechanism, reducing gear etc.In addition, the structure be made up of crank 4, bearing pin 16 and connecting rod 6 also can be replaced by eccentric wheel, mobile member 9 also can be driven to move in spacing path transmission of power by driving mechanism to eccentric wheel.Above-mentioned replacement all can be determined according to concrete service condition, and the utility model is not limited to this.
Continue with reference to Fig. 1, in an alternate embodiment of the invention, the bottom of tappet 12 compresses with cam 1 and contacts, and the top 121 of tappet 12 compresses mutually with the bottom surface of the free end of secondary-rocker 8.That is, using the bottom surface of the free end of secondary-rocker 8 as spacing path, and not the bottom surface of supporting portion as spacing path is set on the top 121 of tappet 12, the lateral load that can effectively prevent from tappet 12 top 121 from arranging supporting portion bringing, that is, tappet 12 can not produce biasing force square.Therefore, while the pendulum angle increasing rocking arm 3, decrease the wearing and tearing of tappet 12, and ensure the smooth and easy motion of tappet 12.In other words, above-mentioned structure can be guaranteed the driving force passed over from tappet 12 is passed to mobile member 9 efficiently and accurately and passes to rocking arm 3 further by mobile member 9.If arrange the bottom surface of supporting portion as spacing path on the top 121 of tappet 12, although the moving range of mobile member 9 can be expanded, but for the tappet 12 that entirety is slim-lined construction, when mobile member 9 move to from tappet 12 axis comparatively distant positions time, tappet 12 may be made to produce excessive wear, premature failure and even to occur stuck situation.
Referring again to Fig. 1, the end face of the bottom surface of rocking arm 3 and the free end of secondary-rocker 8 can have the first working surface 31 and the second working surface 81 respectively, and these two working surfaces can be setting toward each other and shape cooperatively interacts.Further, mobile member 9 contacts with the first working surface 31 and the second working surface 81 simultaneously.Because these two shape of working surfaces cooperatively interact, so more steady when mobile member 9 moves between.
In an alternate embodiment of the invention, the first working surface 31 and the second working surface 81 can for the planes be parallel to each other; Or the first working surface 31 and the second working surface 81 can be identical and between the two, spacing the is equal everywhere continuous extension curved surface of shape, that is, limited in such an embodiment spacing path is curved path.
In addition, in the preferred embodiment of the utility model drive unit, the 3rd working curved surface 32 can also be comprised.Optionally, composition graphs 1 and Fig. 4,3rd working curved surface 32 can be positioned at the end of the bottom surface of rocking arm 3, and seamlessly transits with the first working surface 31 and/or the 3rd working curved surface 32 can be positioned at the end of the end face of the free end of secondary-rocker 8, and seamlessly transits with the second working surface 81.In other words, rocking arm 3 can be only had to have the 3rd working curved surface 32; Or can only there is secondary-rocker 8 to have the 3rd working curved surface 32; Or as shown in Figure 4, rocking arm 3 and secondary-rocker 8 all have the 3rd working curved surface 32.In actual applications, the concrete conditions such as the size of component, shape, rigidity and space layout can be looked, rocking arm 3 and secondary-rocker 8 all arrange the 3rd working curved surface 32, and make the pendulum angle of this two-part 3rd working curved surface 32 pairs of rocking arms 3 carry out synergic adjustment, the utility model is not limited to this.
Now only for embodiment illustrated in fig. 1, when rocking arm 3 has the 3rd working curved surface 32; bottom surface of one end that rocking arm 3 contacts with mobile member 9 is made up of the first working surface 31 extended continuously and the 3rd working curved surface 32; and the shape of the 3rd working curved surface 32 can be arranged to the curved surface to rocking arm 3 internal recess, as shown in Figure 1; Or the 3rd working curved surface 32 also can be arranged to the curved surface (not illustrating in the drawings) protruded to rocking arm 3 outside.
Particularly, the 3rd working curved surface 32 can as the mobile desired location of mobile member 9.In a practical situation, mobile member 9 moves to and contacts with the 3rd working curved surface 32, and now the difformity of the 3rd working curved surface 32 can produce different-effect:
(1) when the 3rd working curved surface 32 is the shape to rocking arm 3 internal recess, the pendulum angle of rocking arm 3 can be made to reduce until be zero, even if that is, cam 1 rotates as usual, rocking arm 3 does not also swing completely.When the pendulum angle of rocking arm 3 reduces; rocking arm 3 drives valve 14 to lower valve lift; the power that can reduce the pumping loss of motor, frictional loss and drive valve to consume; and the burning that can improve in engine cylinder, thus meet motor to the demand reducing oil consumption and pollutant emission.And when rocking arm 3 does not swing, valve 14 is completely closed by cylinder, thus makes engine misses, therefore can reach the effect of emergency braking.
(2) when the 3rd working curved surface 32 is the shape protruded to rocking arm 3 outside, the pendulum angle of rocking arm 3 can be made to increase.In actual applications, the swing of rocking arm 3 now can drive valve 14 to larger valve lift, increases air inflow, thus meets the demand of motor to output power.
In addition, in an alternate embodiment of the invention, as shown in Figure 5, at least one above-mentioned mobile member 9 can be coaxial a pair moveable support arranged, and such as, mobile member 9 is two rollers.Wherein, the outer surface of any one in this pair moveable support can contact with the bottom surface of rocking arm 3; And another outer surface contacts with the end face of the free end of secondary-rocker 8.That is, when mobile member 9 is solid memder, it contacts with secondary-rocker 8 with rocking arm 3 simultaneously; When mobile member 9 is the component be made up of two-part supporting element, this two-part supporting element contacts with secondary-rocker 8 with rocking arm 3 respectively.
Continue with reference to Fig. 5, in an optional embodiment, the end face of the free end of secondary-rocker 8 can have groove, holds in a groove to the outer surface part of the moveable support contacted with the end face of the free end of secondary-rocker 8, that is, moves in a groove.And the external diameter holding moveable support is in a groove greater than the external diameter of the moveable support contacted with the bottom surface of rocking arm 3.And in another optional embodiment, the bottom surface of rocking arm 3 can have groove, hold in a groove to the outer surface part of the moveable support contacted with the bottom surface of rocking arm 3, that is, move in a groove.And the external diameter holding moveable support is in a groove greater than the external diameter of the moveable support contacted with the end face of the free end of secondary-rocker 8.
In other words, on the bottom surface that groove can be arranged on rocking arm 3 or on the end face of the free end of secondary-rocker 8, and the external diameter of the moveable support of movement is in a groove greater than not the external diameter of the moveable support of movement in a groove.
As shown in Figure 5, for mobile member 9 for roller, in this embodiment, roller is two groups of rollers coaxially arranged, and groove is arranged on the end face of the free end of secondary-rocker 8.And the external diameter of the roller held in a groove in the coaxial roller arranged is greater than the external diameter of the roller do not held in a groove, in other words, the external diameter of the roller contacted with the end face of the free end of secondary-rocker 8 is greater than the external diameter of the roller contacted with the bottom surface of rocking arm 3.In this way, can lead to mobile member 9, and make adjustment process more stable.
In addition, it should also be noted that in other alternative-embodiments (not illustrating in the drawings), the bottom surface of the free end of secondary-rocker 8 can contact with the top of valve 14, and the top 121 of tappet 12 is directly compressed to one end of rocking arm 3.In other words, crank 4, connecting rod 6, secondary-rocker 8 and mobile member 9 is in this embodiment that mirror image is arranged with the above-mentioned parts shown in Fig. 1 to Fig. 5.And the use of this structure all can determine according to the factor such as actual environment, engine model, the utility model is not limited to this.
Should be understood that in addition, the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a drive unit, comprise: cam (1), the tappet (12) driven by described cam (1), to be driven by described tappet (12) and rotate and be hinged on the rocking arm (3) on pitman arm shaft (5), the valve (14) driven by described rocking arm (3) and pass through the connecting rod (6) that is hinged of bearing pin (16) and crank (4)
Wherein, the free end of described crank (4) is connected with driving mechanism, and the free end of described connecting rod (6) is provided with at least one mobile member (9), and described mobile member (9) is positioned between described tappet (12) and described rocking arm (3), it is characterized in that, also comprise:
There is the secondary-rocker (8) of fixed end and free end, the fixed end of described secondary-rocker (8) is provided with stationary axle, and described mobile member (9) to be movably located between the bottom surface of described rocking arm (3) and the end face of the free end of described secondary-rocker (8) and to contact with the two.
2. drive unit according to claim 1, is characterized in that,
Described mobile member (9) is sliding contact member, the end face sliding contact of the bottom surface of described sliding contact member and described rocking arm (3) and the free end of described secondary-rocker (8); Or
Described mobile member (9) is roller, the end face Structure deformation of the bottom surface of described roller and described rocking arm (3) and the free end of described secondary-rocker (8).
3. drive unit according to claim 1, is characterized in that,
The described pitman arm shaft (5) of described stationary axle and described rocking arm (3) is coaxially arranged; Or described stationary axle and described pitman arm shaft (5) are separated from each other.
4. drive unit according to claim 1, is characterized in that,
The live axle of described driving mechanism and the described pitman arm shaft (5) of described rocking arm (3) are coaxially arranged; Or it is outside that the live axle of described driving mechanism is positioned at described drive unit.
5. the drive unit according to any one of claim 1-4, is characterized in that,
The bottom of described tappet (12) compresses with described cam (1) and contacts, and the top (121) of described tappet (12) compresses mutually with the bottom surface of the free end of described secondary-rocker (8).
6. the drive unit according to any one of claim 1-4, is characterized in that,
The end face of the bottom surface of described rocking arm (3) and the free end of described secondary-rocker (8) has respectively: arrange toward each other and the first working surface (31) of cooperatively interacting of shape and the second working surface (81),
Wherein, described mobile member (9) contacts with described first working surface (31) and described second working surface (81) simultaneously.
7. drive unit according to claim 6, is characterized in that,
Described first working surface (31) and described second working surface (81) plane for being parallel to each other; Or described first working surface (31) and described second working surface (81) are identical and between the two, spacing the is equal everywhere continuous extension curved surface of shape.
8. drive unit according to claim 6, is characterized in that, also comprises:
3rd working curved surface (32), described 3rd working curved surface (32) is positioned at the end of the described bottom surface of described rocking arm (3) and seamlessly transits with described first working surface (31) and/or described 3rd working curved surface (32) is positioned at the end of the end face of the free end of described secondary-rocker (8) and seamlessly transits with described second working surface (81).
9. the drive unit according to any one of claim 1-4, is characterized in that,
Described at least one mobile member (9) is coaxial a pair moveable support arranged,
Wherein, the outer surface of any one in described a pair moveable support contacts with the described bottom surface of described rocking arm (3); Another outer surface in described a pair moveable support contacts with the end face of the described free end of described secondary-rocker (8).
10. drive unit according to claim 9, is characterized in that,
The end face of the free end of described secondary-rocker (8) has groove, be contained in described groove to the outer surface part of the moveable support contacted with the end face of the free end of described secondary-rocker (8), and the external diameter being contained in the moveable support in described groove is greater than the external diameter of the moveable support contacted with the described bottom surface of described rocking arm (3); Or
The described bottom surface of described rocking arm (3) has groove, be contained in described groove to the outer surface part of the moveable support contacted with the described bottom surface of described rocking arm (3), and the external diameter being contained in the moveable support in described groove is greater than the external diameter of the moveable support contacted with the end face of the free end of described secondary-rocker (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354606.0U CN204041145U (en) | 2014-06-30 | 2014-06-30 | Drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354606.0U CN204041145U (en) | 2014-06-30 | 2014-06-30 | Drive unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204041145U true CN204041145U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420354606.0U Expired - Fee Related CN204041145U (en) | 2014-06-30 | 2014-06-30 | Drive unit |
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| CN (1) | CN204041145U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088682A (en) * | 2014-06-30 | 2014-10-08 | 常州嵘驰发动机技术有限公司 | Driving device |
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2014
- 2014-06-30 CN CN201420354606.0U patent/CN204041145U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088682A (en) * | 2014-06-30 | 2014-10-08 | 常州嵘驰发动机技术有限公司 | Driving device |
| CN104088682B (en) * | 2014-06-30 | 2018-12-18 | 常州嵘驰发动机技术有限公司 | Driving device |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20160630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |