CN212672359U - Derailleur jackshaft assembly and derailleur - Google Patents
Derailleur jackshaft assembly and derailleur Download PDFInfo
- Publication number
- CN212672359U CN212672359U CN202021381659.3U CN202021381659U CN212672359U CN 212672359 U CN212672359 U CN 212672359U CN 202021381659 U CN202021381659 U CN 202021381659U CN 212672359 U CN212672359 U CN 212672359U
- Authority
- CN
- China
- Prior art keywords
- gear
- hole
- spline
- jackshaft
- intermediate shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a derailleur jackshaft assembly and derailleur, this derailleur jackshaft assembly includes jackshaft, first gear and second gear, is equipped with the involute spline on the jackshaft, and first gear cover is established on the jackshaft, and first gear has first gear hole, and partly and involute spline clearance fit in first gear hole, another part and involute spline interference fit; the second gear is sleeved on the intermediate shaft, one end of the second gear abuts against the first gear, the other end of the second gear abuts against the boss of the intermediate shaft, the gear is provided with a second gear hole, one end, close to the first gear, of the second gear hole is in clearance fit with the involute spline, and one end, close to the boss, of the second gear hole is in interference fit with the intermediate shaft. The transmission intermediate shaft assembly ensures higher assembly precision, realizes larger torque transmission, can meet the requirements of small center distance, large torque and low weight of a light transmission, and better solves the problem of gear loosening and unloading caused by simple interference fit.
Description
Technical Field
The utility model relates to the field of automotive technology, especially, relate to a derailleur jackshaft assembly.
Background
The transmission intermediate shaft assembly is an action component of an automobile, the existing intermediate shaft assembly is divided into two types, one type is that an intermediate shaft is detachably connected with a gear, the intermediate shaft is connected with the gear by adopting a square key, the strength of the intermediate shaft and the gear can be weakened by the application of the square key, the geometric dimension of the shaft and the gear needs to be increased for ensuring the strength, and the intermediate shaft assembly is not suitable for a light transmission with small center distance and compact structure. The other one is that the intermediate shaft and the gear are connected by welding, although the structure is simpler and has better strength, the welding process is complex, the maintenance performance of the welded intermediate shaft assembly is reduced, and the intermediate shaft and the gear cannot be independently maintained.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide a derailleur jackshaft assembly, this derailleur jackshaft assembly's size is less, and intensity is applicable to the less, great derailleur of output torque of centre-to-centre spacing greatly, and easy maintenance, and jackshaft and gear can realize maintaining alone.
A second object of the present invention is to provide a transmission, which has a small size and high reliability.
For realizing the above technical effect, the technical scheme of the utility model as follows:
the utility model discloses a derailleur jackshaft assembly, include: the middle shaft is provided with an involute spline; the first gear is sleeved on the intermediate shaft and provided with a first gear hole, one part of the first gear hole is in clearance fit with the involute spline, and the other part of the first gear hole is in interference fit with the involute spline; the second gear, the second gear box is established on the jackshaft, the one end of second gear is only supported on the first gear, and the other end is only supported on the boss of jackshaft, the second gear has the second gear hole, the second gear hole is close to the one end of first gear with involute spline clearance fit, the second gear hole is close to the one end of boss with jackshaft interference fit.
In some optional embodiments, the involute spline includes a first spline section, a second spline section, and a third spline section that are sequentially arranged, where the first spline section and the second spline section are engaged with the first gear, and the third spline section is engaged with the second gear.
In some optional embodiments, the outer diameters of the second spline section, the third spline section and the first spline section are sequentially reduced.
In some alternative embodiments, the first spline section, the second spline section and the third spline section have the same number of teeth, module, pressure angle and tolerance level.
In some alternative embodiments, the first spline section is clearance fit with the first gear.
In some alternative embodiments, the second splined section has an interference fit with the first gear.
In some alternative embodiments, the third spline section is a clearance fit with the second gear.
In some embodiments, the first gear and the second gear are both duplicate gears.
In some optional embodiments, the first gear hole comprises a first spline hole and a first unthreaded hole, the major diameter of the first spline hole is smaller than the inner diameter of the first unthreaded hole, and a first clearance groove is arranged between the first spline hole and the first unthreaded hole; and/or; the second gear hole comprises a second spline hole and a second unthreaded hole, the major diameter of the second spline hole is smaller than the inner diameter of the second unthreaded hole, and a second clearance groove is formed between the second spline hole and the second unthreaded hole.
The utility model also discloses a derailleur, including the preceding derailleur jackshaft assembly.
The derailleur jackshaft assembly of this embodiment, because partly of first gear passes through involute spline clearance fit on the jackshaft, involute spline interference fit is crossed to another part on the jackshaft, partly of second gear passes through involute spline fit on the jackshaft, another part and jackshaft interference fit, this kind adopts involute spline clearance fit to combine interference fit's connected mode, can guarantee higher assembly precision, also can realize bigger torque transmission, can also satisfy light-duty derailleur little centre-to-centre spacing, big moment of torsion, low weight demand, the gear that has solved simple interference fit well to lead to becomes flexible uninstallation problem.
The transmission of this embodiment, owing to have the derailleur jackshaft assembly described earlier, reduced the size of derailleur, promoted the output torque of derailleur, promoted the derailleur and used the reliability higher.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a transmission countershaft assembly according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a first gear structure of a transmission countershaft assembly according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a second gear structure of a transmission countershaft assembly according to an embodiment of the present invention.
Reference numerals:
1. an intermediate shaft; 11. an involute spline; 111. a first spline section; 112. a second spline section; 113. a third spline section; 12. a boss;
2. a first gear; 21. a first gear hole; 211. a first splined bore; 212. a first light hole; 213. a first clearance groove;
3. a second gear; 31. a second gear hole; 311. a second spline hole; 312. a second light hole; 313. a second clearance groove.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, features defined as "first" and "second" may explicitly or implicitly include one or more of the features for distinguishing between descriptive features, non-sequential, non-trivial and non-trivial. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The specific structure of the transmission countershaft assembly according to the embodiment of the present invention will be described with reference to fig. 1 to 3.
The utility model discloses a transmission intermediate shaft assembly, it includes jackshaft 1, first gear 2 and second gear 3, is equipped with involute spline 11 on jackshaft 1, and first gear 2 cover is established on jackshaft 1, and first gear 2 has first gear hole 21, and a part of first gear hole 21 and involute spline 11 clearance fit, another part and involute spline 11 interference fit; the second gear 3 is sleeved on the intermediate shaft 1, one end of the second gear 3 is abutted to the first gear 2, the other end of the second gear is abutted to the boss 12 of the intermediate shaft 1, the second gear 3 is provided with a second gear hole 31, one end, close to the first gear 2, of the second gear hole 31 is in clearance fit with the involute spline 11, and one end, close to the boss 12, of the second gear hole 31 is in interference fit with the intermediate shaft 1.
It can be understood that, in actual assembling process, assemble on jackshaft 1 after heating first gear 2 and second gear 3, a part of first gear 2 passes through 11 clearance fit of involute spline on jackshaft 1, 11 interference fit of involute spline is crossed on jackshaft 1 to another part, a part of second gear 3 passes through 11 cooperation of involute spline on jackshaft 1, another part and 1 interference fit of jackshaft, this kind adopts 11 clearance fit of involute spline to combine interference fit's connected mode, interference fit can transmit certain moment of torsion, 11 cooperation of involute spline, also can increase torque transmission, make the transmission jackshaft assembly of this embodiment can realize the transmission of bigger moment of torsion, and the high accuracy assembly requirement of gear can be satisfied well in the combined use of two kinds of cooperation structures. Meanwhile, different from the square key in the prior art, the strength of the intermediate shaft 1 provided with the involute spline 11 and the first gear 2 and the second gear 3 provided with the corresponding spline holes is higher in the embodiment, the diameter sizes of the three are not required to be increased, the gears and the weight of the first gear 2, the second gear 3 and the intermediate shaft 1 are reduced, the intermediate shaft assembly of the transmission can meet the requirements of a light transmission on small center distance, large torque and low weight, and the application range of the intermediate shaft assembly of the transmission in the embodiment is expanded.
The derailleur jackshaft assembly of this embodiment, because first gear 2's partly passes through 11 clearance fit of involute spline on jackshaft 1, 11 interference fit of involute spline was crossed to another part on jackshaft 1, partly of second gear 3 passes through 11 cooperation of involute spline on jackshaft 1, another part and 1 interference fit of jackshaft, this kind adopts 11 clearance fit of involute spline to combine interference fit's connected mode, can guarantee higher assembly precision, also can realize bigger torque transmission, can also satisfy the little centre-to-centre spacing of light-duty derailleur, big moment of torsion, low weight demand, solved the not hard up uninstallation problem of gear that simple interference fit leads to betterly.
In some alternative embodiments, as shown in fig. 1, the involute spline 11 includes a first spline section 111, a second spline section 112, and a third spline section 113 arranged in sequence, the first spline section 111 and the second spline section 112 are engaged with the first gear 2, and the third spline section 113 is engaged with the second gear 3. It will be appreciated that, as indicated previously, a portion of the first gear wheel 2 is clearance fitted on the intermediate shaft 1 by means of involute splines 11, another portion is interference fitted on the intermediate shaft 1 by means of involute splines 11, and a portion of the second gear wheel 3 is interference fitted on the intermediate shaft 1 by means of involute splines 11, and another portion is interference fitted with the intermediate shaft 1. Divide into the involute spline 11 triplex like this, made things convenient for the interference that realizes first gear 2 and second gear 3 and jackshaft 1 and clearance fit's assembly structure to guaranteed first gear 2 and second gear 3 and jackshaft 1's stability of being connected.
In some alternative embodiments, the first splined section 111, the second splined section 112 and the third splined section 113 have the same number of teeth, modulus, pressure angle and tolerance level. Therefore, the processing processes of the first spline section 111, the second spline section 112 and the third spline section 113 are simple and convenient, so that the processing technology of the intermediate shaft 1 is simplified, and the manufacturing cost of the intermediate shaft 1 is reduced.
In some alternative embodiments, the first spline section 111 is a clearance fit with the first gear 2, the second spline section 112 is an interference fit with the first gear 2, and the third spline section 113 is a clearance fit with the second gear 3. From this, guaranteed that first gear 2's partly through involute spline 11 clearance fit on jackshaft 1, another part crosses involute spline 11 interference fit on jackshaft 1, and second gear 3's partly passes through involute spline 11 cooperation on jackshaft 1, and another part and jackshaft 1 interference fit to first gear 2 and second gear 3 and jackshaft 1's stability of being connected has been guaranteed.
In some alternative embodiments, the outer diameters of the second splined section 112, the third splined section 113 and the first splined section 111 are sequentially reduced. Thereby, a clearance fit of the first spline section 111 with the first gear 2, an interference fit of the second spline section 112 with the first gear 2 and a clearance fit of the third spline section 113 with the second gear 3 are ensured.
In some embodiments, the first gear 2 and the second gear 3 are both duplicate gears. It can be understood that the first gear 2 and the second gear 3 adopt a duplicate gear, the wall thickness of a gear sleeve, the interference of an inner hole and the axial matching length are reduced, the diameter of a gear spoke through hole is increased, the weight of the whole gear is reduced, and therefore the gear and the weight of the whole transmission intermediate shaft assembly are reduced. Of course, in other embodiments of the present invention, the first gear 2 and the second gear 3 may be selected according to actual needs.
In addition, it should be noted that, when the first gear 2 and the second gear 3 are dual gears, the left end tooth of the first gear 2 is a transmission constant mesh output gear, and the right end tooth and the two end teeth of the second gear 3 are input gears of the gear, so that torque is transmitted through gear mesh, and at the same time, the gears should maintain high enough precision to ensure low noise operation of the transmission.
In some alternative embodiments, as shown in fig. 3, the first gear hole 21 includes a first spline hole 211 and a first unthreaded hole 212, a major diameter of the first spline hole 211 is smaller than an inner diameter of the first unthreaded hole 212, and a first clearance groove 213 is provided between the first spline hole 211 and the first unthreaded hole 212. It can be understood that the first clearance groove 213 is provided between the first spline hole 211 and the first unthreaded hole 212, so as to ensure smooth grinding of the first unthreaded hole 212, and the grinding of the first unthreaded hole 212 is based on the gear pitch circle, so as to ensure the machining accuracy requirement of the first gear 2. It should be noted that the size of the first clearance groove 213 may be selected according to actual needs, and the size of the first clearance groove 213 is not limited herein.
Preferably, the major diameter of the first spline hole 211 is smaller than the inner diameter of the first unthreaded hole 212, and the difference between the major diameter and the inner diameter is the grinding allowance of the first unthreaded hole 212 after heating. It is understood that, before the heat treatment, the major diameter of the first spline hole 211 is equal to the inner diameter of the first smooth hole 212, and when the first spline hole 211 is broached, the first smooth hole 212 is slightly broached, and the inner hole is removed by grinding after heating. Therefore, the machining precision of the first gear 2 is well ensured, and the assembling precision of the first gear 2 is ensured.
In some alternative embodiments, as shown in fig. 3, the second gear hole 31 includes a second spline hole 311 and a second unthreaded hole 312, the major diameter of the second spline hole 311 is smaller than the inner diameter of the second unthreaded hole 312, and a second clearance groove 313 is provided between the second spline hole 311 and the second unthreaded hole 312. It can be understood that the second clearance groove 313 is arranged between the second spline hole 311 and the second unthreaded hole 312, so that the second unthreaded hole 312 is smoothly ground, and the grinding of the second unthreaded hole 312 is based on the gear reference circle, so that the machining precision requirement of the second gear 3 is ensured. It should be noted here that the size of the second clearance groove 313 may be selected according to actual needs, and the size of the second clearance groove 313 is not limited herein.
Preferably, the major diameter of the second spline hole 311 is smaller than the inner diameter of the second unthreaded hole 312, and the difference between the major diameter and the inner diameter is the grinding allowance of the second unthreaded hole 312 after heating. It is understood that the major diameter of the second keyhole 311 is equal to the inner diameter of the second unthreaded hole 312 before the heat treatment, and the second unthreaded hole 312 is slightly scratched when the second keyhole 311 is broached, and the inner hole is removed by grinding after heating. Therefore, the processing precision of the second gear 3 is better ensured, and the assembling precision of the second gear 3 is ensured.
Example (b):
as shown in fig. 1 to 3, the transmission countershaft assembly of the present embodiment includes a countershaft 1, a first gear 2 and a second gear 3. The first gear 2 and the second gear 3 are both duplicate gears. Be equipped with involute spline 11 on the jackshaft 1, involute spline 11 is including the first spline section 111, second spline section 112 and the third spline section 113 that set gradually.
Be equipped with first gear hole 21 on the first gear 2, first gear hole 21 includes first splined hole 211 and first unthreaded hole 212, and the major diameter of first splined hole 211 is less than the internal diameter of first unthreaded hole 212, is equipped with first blank groove 213 between first splined hole 211 and the first unthreaded hole 212. The first gear 2 is sleeved on the intermediate shaft 1, the first spline hole 211 is in clearance fit with the first spline section 111, and the first unthreaded hole 212 is in interference fit with the second spline section 112.
The second gear 3 is provided with a second gear hole 31, the second gear hole 31 includes a second spline hole 311 and a second unthreaded hole 312, a major diameter of the second spline hole 311 is smaller than an inner diameter of the second unthreaded hole 312, and a second clearance groove 313 is provided between the second spline hole 311 and the second unthreaded hole 312. The second gear 3 is sleeved on the intermediate shaft 1, one end of the second gear 3 is abutted against the first gear 2, and the other end is abutted against the boss 12 of the intermediate shaft 1. The second splined hole 311 is clearance fitted with the third splined section 113, and the second unthreaded hole 312 is interference fitted with the intermediate shaft 1.
The advantages of the transmission countershaft assembly of the present embodiment are as follows:
firstly, the method comprises the following steps: the intermediate shaft 1, the first gear 2 and the second gear 3 are assembled in a combined mode of the involute spline 11 and interference fit, so that the assembly precision requirement of the first gear 2 and the second gear 3 can be guaranteed, larger torque transmission can be realized, the requirements of a light transmission on small center distance, large torque and low weight can be met, and the problem of gear loosening and unloading caused by simple interference fit is solved;
secondly, the method comprises the following steps: the first spline section 111, the second spline section 112 and the third spline section 113 have the same parameters except for large diameter, and are machined by the same hob, so that the machining manufacturability is good;
thirdly, the method comprises the following steps: the first gear 2 and the second gear 3 both adopt duplex gears, so that the wall thickness of a gear sleeve, the interference magnitude of an inner hole and the axial matching length are reduced, and meanwhile, the through holes of gear spokes are increased, and the weight of the gears is reduced;
fourthly: a first clearance groove 213 is arranged between the first spline hole 211 and the first unthreaded hole 212, and a second clearance groove 313 is arranged between the second spline hole 311 and the second unthreaded hole 312, so that the first unthreaded hole 212 and the second unthreaded hole 312 can be ground by taking the reference of the gear reference circle after heat treatment, and the gear precision is ensured;
fifth, the method comprises the following steps: the major diameter of the first spline hole 211 is smaller than the diameter of the first unthreaded hole 212, the major diameter of the second spline hole 311 is smaller than the diameter of the second unthreaded hole 312, the difference is the grinding allowance after the heat treatment of the first unthreaded hole 212 and the second unthreaded hole 312, and the broaching manufacturability of the first spline hole 211 and the second spline hole 311 is good.
The utility model also discloses a derailleur, including the preceding derailleur jackshaft assembly.
The transmission of this embodiment, owing to have the derailleur jackshaft assembly described earlier, reduced the size of derailleur, promoted the output torque of derailleur, promoted the derailleur and used the reliability higher.
In the description herein, references to the description of "some embodiments," "other embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A transmission countershaft assembly, comprising:
the middle shaft (1), the middle shaft (1) is provided with an involute spline (11);
the first gear (2) is sleeved on the intermediate shaft (1), the first gear (2) is provided with a first gear hole (21), one part of the first gear hole (21) is in clearance fit with the involute spline (11), and the other part of the first gear hole is in interference fit with the involute spline (11);
second gear (3), second gear (3) cover is established on jackshaft (1), the one end of second gear (3) is ended and is supported on first gear (2), the other end is ended and is in on boss (12) of jackshaft (1), second gear (3) have second gear hole (31), second gear hole (31) are close to the one end of first gear (2) with involute spline (11) clearance fit, second gear hole (31) are close to the one end of boss (12) with jackshaft (1) interference fit.
2. A transmission countershaft assembly as defined by claim 1 wherein the involute spline (11) includes first (111), second (112) and third (113) spline sections arranged in sequence, the first (111) and second (112) spline sections cooperating with the first gear (2) and the third (113) spline section cooperating with the second gear (3).
3. A transmission intermediate shaft assembly as claimed in claim 2, characterized in that the outer diameters of the second splined section (112), third splined section (113) and first splined section (111) decrease in sequence.
4. A transmission intermediate shaft assembly as claimed in claim 2, characterized in that the first splined section (111), the second splined section (112) and the third splined section (113) are all identical in number of teeth, module, pressure angle and tolerance level.
5. A transmission countershaft assembly according to claim 2, wherein the first spline section (111) is clearance fitted with the first gear (2).
6. A transmission countershaft assembly according to claim 2, wherein the second splined section (112) is an interference fit with the first gear (2).
7. A transmission countershaft assembly according to claim 2, wherein the third spline section (113) is clearance fitted with the second gear (3).
8. A transmission countershaft assembly according to claim 1, wherein the first gear (2) and the second gear (3) are duplicate gears.
9. A transmission countershaft assembly according to claim 1, wherein the first gear hole (21) comprises a first splined hole (211) and a first unthreaded hole (212), the first splined hole (211) having a smaller major diameter than an inner diameter of the first unthreaded hole (212), a first clearance groove (213) being provided between the first splined hole (211) and the first unthreaded hole (212); and/or;
the second gear hole (31) comprises a second spline hole (311) and a second unthreaded hole (312), the major diameter of the second spline hole (311) is smaller than the inner diameter of the second unthreaded hole (312), and a second clearance groove (313) is arranged between the second spline hole (311) and the second unthreaded hole (312).
10. A transmission comprising a transmission countershaft assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021381659.3U CN212672359U (en) | 2020-07-14 | 2020-07-14 | Derailleur jackshaft assembly and derailleur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021381659.3U CN212672359U (en) | 2020-07-14 | 2020-07-14 | Derailleur jackshaft assembly and derailleur |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212672359U true CN212672359U (en) | 2021-03-09 |
Family
ID=74839434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021381659.3U Active CN212672359U (en) | 2020-07-14 | 2020-07-14 | Derailleur jackshaft assembly and derailleur |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212672359U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638946A (en) * | 2021-07-09 | 2021-11-12 | 浙江万里扬新能源驱动有限公司 | Spline matching structure and assembling method |
| CN114215899A (en) * | 2022-01-20 | 2022-03-22 | 索特传动设备有限公司 | Intermediate shaft assembly, gearbox, vehicle and intermediate shaft assembly assembling method |
-
2020
- 2020-07-14 CN CN202021381659.3U patent/CN212672359U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638946A (en) * | 2021-07-09 | 2021-11-12 | 浙江万里扬新能源驱动有限公司 | Spline matching structure and assembling method |
| CN113638946B (en) * | 2021-07-09 | 2022-12-27 | 浙江万里扬新能源驱动有限公司 | Spline matching structure and assembling method |
| CN114215899A (en) * | 2022-01-20 | 2022-03-22 | 索特传动设备有限公司 | Intermediate shaft assembly, gearbox, vehicle and intermediate shaft assembly assembling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212672359U (en) | Derailleur jackshaft assembly and derailleur | |
| US4509381A (en) | Splined press fit connection in gear wheel assembly | |
| US7306536B2 (en) | Tandem axle system | |
| US7901318B2 (en) | Four pinion differential with cross pin retention unit and related method | |
| EP2110582B1 (en) | Differential device for vehicle | |
| WO2013001627A1 (en) | Press-fit structure and press-fit method | |
| CN100462586C (en) | Main speed reducing device having dynamic branch off structure | |
| CN210510198U (en) | Large-torque split differential assembly for passenger vehicle transmission | |
| CN209839097U (en) | Herringbone gear | |
| EP3026274A1 (en) | Tunable torque transmitting shaft | |
| CN113389870B (en) | Transmission with torque orientation comprising a coupling epicyclic gear | |
| CN1710299A (en) | Shaft drive buffer mechanism | |
| CN1991199A (en) | Shift binding device of manual speed-changer | |
| US20170087984A1 (en) | Tandem axle gearing arrangement to reduce drive pinion bearing parasitic losses | |
| CN2797197Y (en) | Shaft driving buffer mechanism | |
| CN109340343B (en) | Hydraulic locking mechanism on differential mechanism | |
| CN101482165A (en) | Differential gear with high bearing capacity | |
| CN101564967B (en) | Vehicle elevated drive front axle | |
| JP2008049911A (en) | Vehicular power unit | |
| US11255418B2 (en) | Powertrain for a motor vehicle, differential planetary gear system for a powertrain, and motor vehicle comprising a powertrain | |
| CN100572826C (en) | Transmit the coupling arrangement of heavy load | |
| CN207363769U (en) | A kind of engine gear transmission system | |
| CN107757356B (en) | Speed reducer with differential lock for vehicle | |
| CN2934007Y (en) | Spool assembly of rack and pinion power steering gear | |
| CN217977259U (en) | Differential assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |