CN214465916U - Differential mechanism transmission structure - Google Patents
Differential mechanism transmission structure Download PDFInfo
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- CN214465916U CN214465916U CN202120526760.1U CN202120526760U CN214465916U CN 214465916 U CN214465916 U CN 214465916U CN 202120526760 U CN202120526760 U CN 202120526760U CN 214465916 U CN214465916 U CN 214465916U
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- transmission
- shaft
- planetary gear
- differential mechanism
- differential
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Abstract
The utility model discloses a differential mechanism transmission structure belongs to mechanical transmission, and this differential mechanism transmission structure includes differential mechanism, driving flywheel group, transmission shaft, shaft barrel etc. wherein: differential mechanism comprises lid, casing, installation screw, two bevel gear group and a planetary gear set, and this transmission structure utilizes novel differential mechanism structure can show promotion dynamic nature with the reasonable distribution of power to two transmission shafts on, the utility model discloses compare with current structure, compact structure, easy installation, the rear wheel drive of specially adapted electric tricycle or manpower tricycle has wide application prospect.
Description
Technical Field
The utility model belongs to mechanical transmission especially relates to a differential mechanism transmission structure.
Background
Electric tricycle or manpower tricycle are a common transportation means, among the prior art, no matter be manpower or electric drive, generally transmit power to the rear wheel through the chain, but lack rear wheel differential transmission structure in the current structure, unable rational distribution power, especially the tricycle travel the road conditions when relatively poor or turn, drive experience is relatively poor, when a certain rear wheel card or when being hindered, often need extravagant great power.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a differential mechanism transmission structure utilizes novel differential mechanism structure can show promotion dynamic nature with the reasonable distribution of power to two transmission shafts on, the utility model discloses compare with current structure, compact structure, easy installation, the rear wheel drive of specially adapted electric tricycle or manpower tricycle has wide application prospect.
The utility model discloses an above-mentioned problem is solved to following technical means:
the utility model provides a differential mechanism transmission structure which characterized in that, includes differential mechanism, differential mechanism comprises lid, casing, mounting screw, two bevel gear sets and a planetary gear set, wherein: the cover body and the shell are connected through mounting screws to form a transmission cavity, and transmission holes are formed in the cover body and the shell; the bevel gear set comprises bevel gears, driven shafts connected with the bevel gears and driven bearings sleeved on the driven shafts, a spline hole is formed in the centers of the driven shafts, the two driven bearings are respectively installed in the transmission holes of the cover body and the shell, and the two bevel gears are symmetrically arranged in the transmission cavity; the planetary gear set comprises an upper planetary gear, a lower planetary gear and a planetary gear shaft, and the two planetary gears are rotatably arranged at two ends of the planetary gear shaft; the planetary gear set is arranged between the two bevel gears, and the planetary gears are meshed with the bevel gears.
Preferably, still include the driving flywheel group, the driving flywheel group comprises many grades of flywheels and connection thread bush, wherein: the multi-gear flywheel is used for connecting a transmission chain; the connecting thread sleeve is arranged on the cover body and is used for installing a multi-gear flywheel.
Preferably, the transmission shaft is arranged in the spline hole, the middle of the transmission shaft is provided with a limiting ring, and the tail end of the transmission shaft is provided with a key groove.
Preferably, the brake device further comprises a shaft cylinder for mounting the transmission shaft, a positioning bearing is arranged in the shaft cylinder, and a mounting plate for fixing the brake device is arranged outside the shaft cylinder.
Preferably, the connecting device further comprises a connecting bridge for connecting the two sections of the shaft barrels.
Preferably, the transmission device further comprises a fixing frame sleeved on the shaft barrel, and the fixing frame is used for mounting the transmission.
The utility model discloses a differential mechanism transmission structure has following beneficial effect:
this differential mechanism transmission structure includes differential mechanism, drive flywheel group, transmission shaft, axle sleeve etc. wherein: differential mechanism comprises lid, casing, installation screw, two bevel gear sets and a planetary gear set, and this transmission structure utilizes novel differential mechanism structure can be with the reasonable distribution of power to two transmission shafts on, showing and promoting dynamic nature, and simultaneously, the driving flywheel group adopts many grades of flywheels can be according to the reasonable selection drive ratio of road conditions. In addition, the differential mechanism adopts a double-shaft structure, has compact structure, easy maintenance and easy installation, is particularly suitable for the rear wheel drive of an electric tricycle or a manual tricycle, and has wide application prospect.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the differential mechanism of the present invention;
fig. 2 is a schematic view of the inside of the cover body of the present invention;
fig. 3 is a schematic view of the inside of the housing of the present invention;
FIG. 4 is a schematic view of the internal structure of the differential of the present invention;
FIG. 5 is a schematic structural view of a middle bevel gear set of the present invention;
FIG. 6 is a schematic structural view of a planetary gear set of the present invention;
fig. 7 is an overall structural view of the present invention;
FIG. 8 is a schematic structural view of a driving flywheel assembly of the present invention;
FIG. 9 is a schematic view of the installation of the connecting thread bush of the present invention;
fig. 10 is a schematic view of the installation of the middle fixing frame of the present invention.
The device comprises a differential 1, a cover 101, a cover 102, a shell 103, a mounting screw 104, a bevel gear set 105, a planetary gear set 1041, a bevel gear 1042, a driven shaft 1043, a driven bearing 1044, a spline hole 1045, a bearing retainer ring 1046, a shaft sleeve 1051, a planetary gear 1052, a planetary gear shaft 2, a flywheel drive set 201, a flywheel drive set 202, a connecting threaded sleeve 202, a transmission shaft 3, a limiting ring 301, a key groove 302, a shaft barrel 4, a positioning bearing 401, a mounting plate 402, a fixing frame 403 and a connecting bridge 5.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely 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, are not to be construed as limiting the present invention. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
The present invention will be described in detail with reference to the accompanying drawings.
Example one
As shown in fig. 1 to 6, the differential transmission structure is composed of a cover 101, a case 102, a mounting screw 103, two bevel gear sets 104, and a planetary gear set 105, wherein: the cover body 101 and the shell 102 are connected through the mounting screw 103, a transmission cavity can be formed, transmission holes are formed in the centers of the cover body 101 and the shell 102, two groups of bevel gear sets 104 are respectively installed in the transmission holes, each bevel gear set 104 comprises a bevel gear 1041, a driven shaft 1042 connected with the bevel gear 1041 and a driven bearing 1043 sleeved on the driven shaft 1042, a spline hole 1044 is arranged in the center of the driven shaft 1042 and is not through, the two driven bearings 1043 are respectively installed in the transmission holes of the cover body 101 and the shell 102, the two bevel gears 1041 are symmetrically arranged in the transmission cavity, and after the installation is completed, the two bevel gears 1041 are oppositely arranged and have gaps. In the figure, the planetary gear set 105 includes two upper and lower planetary gears 1051 and one planetary gear shaft 1052, the two planetary gears 1051 are rotatably disposed at both ends of the planetary gear shaft 1052, specifically, the planetary gear set 105 is disposed between two bevel gears 1041, and the planetary gears 1051 are meshed with the bevel gears 1041. In actual operation, because the planetary gear set 105 can rotate independently, differential motion of the two bevel gear sets 104 can be realized, and power can be distributed reasonably. In addition, this planetary gear set 105 compact structure, easy installation, easy maintenance, splined hole 1044 can directly be connected with the integral key shaft.
It should be noted that a bearing retainer 1045 and a shaft sleeve 1046 are further arranged inside the differential, the bearing retainer 1045 is sleeved on the driven shaft 1042 and used for limiting the position of the driven bearing 1043, and the shaft sleeve 1046 is sleeved on the bottom of the bevel gear 1041.
Example two
As shown in fig. 7 to 9, a flywheel set 2, a transmission shaft 3, a shaft barrel 4 and a connecting bridge 5 are added on the basis of the first embodiment, specifically, the flywheel set 2 is composed of a multi-gear flywheel 201 and a connecting threaded sleeve 202, in the figure, the multi-gear flywheel 201 is used for connecting a transmission chain, different transmission ratios are realized according to road conditions, the connecting threaded sleeve 202 is arranged on the cover 101, and can also be integrally formed with the cover 101, and the external threads of the connecting threaded sleeve 202 are used for installing the multi-gear flywheel 201.
In this embodiment, including controlling two transmission shaft 3, the one end of transmission shaft 3 is installed in splined hole 1044, and the mid-mounting of transmission shaft 3 has spacing collar 301, and keyway 302 has been seted up to the other end of transmission shaft 3, and is specific, and spacing collar 301 uses the screw fixation on transmission shaft 3, prevents transmission shaft 3 drunkenness. In the figure, the transmission shaft 3 further comprises two shaft cylinders 4 for mounting the transmission shaft 3, a plurality of positioning bearings 401 are arranged in the shaft cylinders 4, and a mounting plate 402 for fixing a brake device and a fixing frame 403 for mounting a transmission are arranged outside the shaft cylinders 4. Further, a connecting bridge 5 for connecting the two sections of the shaft barrel 4 is also included.
When the novel differential mechanism is used for working, power can be reasonably distributed to two transmission shafts by the aid of the novel differential mechanism structure, dynamic performance is obviously improved, and meanwhile, the driving flywheel set can reasonably select transmission ratios according to road conditions by the aid of the multi-gear flywheel. In addition, the differential mechanism adopts a double-shaft structure, has compact structure, easy maintenance and easy installation, and is particularly suitable for the rear wheel driving of an electric tricycle or a manpower tricycle.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (6)
1. A differential transmission structure, characterized by comprising a differential (1), wherein the differential (1) is composed of a cover body (101), a shell body (102), a mounting screw (103), two bevel gear sets (104) and a planetary gear set (105), wherein:
the cover body (101) and the shell (102) are connected through a mounting screw (103) to form a transmission cavity, and transmission holes are formed in the cover body (101) and the shell (102);
the bevel gear set (104) comprises bevel gears (1041), a driven shaft (1042) connected with the bevel gears (1041) and driven bearings (1043) sleeved on the driven shaft (1042), wherein spline holes (1044) are formed in the centers of the driven shaft (1042), the two driven bearings (1043) are respectively installed in transmission holes of the cover body (101) and the shell body (102), and the two bevel gears (1041) are symmetrically arranged in the transmission cavities;
the planetary gear set (105) comprises an upper planetary gear (1051), a lower planetary gear (1051) and a planetary gear shaft (1052), and the two planetary gears (1051) are rotatably arranged at two ends of the planetary gear shaft (1052);
the planetary gear set (105) is arranged between two bevel gears (1041), and the planetary gears (1051) are meshed with the bevel gears (1041).
2. A differential drive arrangement according to claim 1, further comprising a flywheel set (2), said flywheel set (2) consisting of a multi-speed flywheel (201) and a connecting threaded sleeve (202), wherein:
the multi-gear flywheel (201) is used for connecting a transmission chain;
the connecting threaded sleeve (202) is arranged on the cover body (101) and is used for mounting the multi-gear flywheel (201).
3. The differential transmission structure according to claim 2, further comprising a transmission shaft (3) installed in the spline hole (1044), wherein a limiting ring (301) is installed in the middle of the transmission shaft (3), and a key groove (302) is formed in the tail end of the transmission shaft (3).
4. A differential drive structure according to claim 3, further comprising a shaft tube (4) for mounting the drive shaft (3), wherein a positioning bearing (401) is provided in the shaft tube (4), and a mounting plate (402) for fixing the brake device is provided outside the shaft tube (4).
5. A differential drive arrangement according to claim 4, further comprising a connecting bridge (5) for connecting the two lengths of shaft barrel (4).
6. A differential drive arrangement according to claim 5, further comprising a mounting bracket (403) fitted around the shaft barrel (4), the mounting bracket (403) being used to mount a transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120526760.1U CN214465916U (en) | 2021-03-13 | 2021-03-13 | Differential mechanism transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120526760.1U CN214465916U (en) | 2021-03-13 | 2021-03-13 | Differential mechanism transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465916U true CN214465916U (en) | 2021-10-22 |
Family
ID=78154854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120526760.1U Active CN214465916U (en) | 2021-03-13 | 2021-03-13 | Differential mechanism transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465916U (en) |
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2021
- 2021-03-13 CN CN202120526760.1U patent/CN214465916U/en active Active
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