CN213064507U - Sun gear mechanism for stepless speed changer - Google Patents
Sun gear mechanism for stepless speed changer Download PDFInfo
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- CN213064507U CN213064507U CN202021829979.0U CN202021829979U CN213064507U CN 213064507 U CN213064507 U CN 213064507U CN 202021829979 U CN202021829979 U CN 202021829979U CN 213064507 U CN213064507 U CN 213064507U
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Abstract
The utility model provides a sun gear mechanism for infinitely variable transmission, including outer ring groove, inner cover, planet wheel, sun gear, shaft, race, shaft hole, external gear circle, bracing piece, mount, transfer line, first bevel gear, driven shaft, second bevel gear, external gear, third bevel gear and drive lever, the inner cover is installed to the terminal surface under the outer ring groove, the planet wheel is installed to the terminal surface under the inner cover, the sun gear is installed to the terminal surface under the planet wheel, internally mounted has the shaft in the middle of the sun gear, the race is installed to the planet wheel intermediate position, the shaft is installed to the race intermediate position, the external gear circle is installed to outer ring groove right-hand member face, the terminal surface is installed the bracing piece under the external gear circle, compares with prior art, the utility model discloses following beneficial effect has: avoided the poor problem of device stability, solved the complicated problem of original device, improved the utility model discloses an excellent in use effect.
Description
Technical Field
The utility model relates to a sun gear mechanism for infinitely variable transmission belongs to sun gear mechanism technical field.
Background
The stepless speed variator consists of mainly compressed driving wheel unit, friction driving mechanism and speed regulating control mechanism. The MB series planetary friction type mechanical stepless speed changer mainly comprises a pressing driving device, a friction transmission mechanism and a speed regulation control mechanism. The tapered driving wheel and the pressure plate are pressed tightly by a group of disc springs, and the input shaft is connected with the driving wheel by a key to form a pressing driving device. The inner side of a group of planetary friction wheels with conicity is clamped between a compressed driving wheel and a pressure plate, and the outer side of the group of planetary friction wheels with conicity is clamped between a fixed ring with conicity and a speed regulating cam to form a friction pair; when the compressed driving device operates, the friction wheel rolls purely, and because the fixed ring and the speed regulating cam are not moved, the friction wheel revolves while rotating, and the planet carrier is driven to rotate by the central shaft of the planet friction wheel and the slide block bearing.
The sun gear mechanism of the stepless speed changer in the prior art has a complex structure and poor working stability, and the problems are solved by the sun gear mechanism for the stepless speed changer.
Disclosure of Invention
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a sun gear mechanism for infinitely variable transmission through adding outer ring groove, inner cover, planet wheel, sun gear, shaft, race, shaft hole, outer gear circle, bracing piece, mount, transfer line, first bevel gear, driven shaft, second bevel gear, external gear, third bevel gear and drive lever to solve the problem that provides among the above-mentioned background art.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a sun gear mechanism for a stepless speed changer comprises an outer gear ring groove, an inner cover, a planet gear, a sun gear, a wheel shaft, a wheel groove, a shaft hole, an outer gear ring, a support rod, a fixing frame, a transmission rod, a first bevel gear, a driven shaft, a second bevel gear, an outer gear, a third bevel gear and a driving rod, wherein the inner cover is arranged on the lower end face of the outer gear ring groove, the planet gear is arranged on the lower end face of the inner cover, the sun gear is arranged on the lower end face of the planet gear, the wheel shaft is arranged in the middle of the sun gear, the wheel groove is arranged in the middle of the planet gear, the wheel shaft is arranged in the middle of the wheel groove, the outer gear ring is arranged on the right end face of the outer gear ring, the support rod is arranged on the lower end face of the support rod, the, a driven shaft is installed on the left end face of the first bevel gear, a second bevel gear is installed on the lower end face of the first bevel gear, an external gear is installed on the lower end face of the second bevel gear, a third bevel gear is installed on the right end face of the external gear, and a driving rod is installed on the right end face of the third bevel gear;
the second bevel gear comprises a flat gear, an inner groove and a belleville spring, the flat gear is arranged on the left side of the second bevel gear, the inner groove is formed in the middle of the flat gear, and the belleville spring is mounted on the right end face of the inner groove;
the third bevel gear comprises a rubber gasket, a fixing ring and a bevel gear, the rubber gasket is installed on the left end face of the third bevel gear, the fixing ring is installed on the left end face of the rubber gasket, and the bevel gear is installed on the right end face of the fixing ring.
Further, the outer gear ring groove and the inner cover are fixed through welding, the wheel shaft and the sun gear are rotationally fixed through threads, the outer gear ring and the outer gear are fixed through welding, the outer gear ring and the supporting rod are fixed through bolts, the supporting rod and the fixing frame are fixed through welding, the first bevel gear and the transmission rod are fixed through welding, the second bevel gear and the driven shaft are fixed through welding, and the third bevel gear and the driving rod are fixed through welding.
Furthermore, the belleville spring and the inner groove are fixed through extrusion, the rubber gasket and the fixing ring are fixed through bolts, and the bevel gear and the driving rod are fixed through welding.
Furthermore, the outer gear ring groove is meshed with the planet wheel, and the planet wheel is meshed with the sun wheel.
Furthermore, there are three groups of planet wheels, and three groups of planet wheels have the same specification, and the sun wheel diameter is greater than the planet wheel diameter.
Furthermore, the first bevel gears are two groups, the specifications of the two groups of first bevel gears are the same, the first bevel gears are meshed with the second bevel gears, the second bevel gears are hollow, and the spring trigger rods are installed inside the inner grooves.
Further, the cross section of the rubber gasket is trapezoidal, threads are arranged inside the fixing ring, and the bevel gear is meshed with the external gear.
The utility model has the advantages that: the utility model discloses a sun gear mechanism for infinitely variable transmission, including outer gear ring groove, inner cover, planet wheel, sun gear, shaft, race, shaft hole, outer gear circle, bracing piece, mount, transfer line, first bevel gear, driven shaft, second bevel gear, external gear, third bevel gear and drive lever, this design has made things convenient for the improvement to the device, has avoided the poor problem of device stability, has solved the complicated problem of original device, has improved the utility model discloses an effect of use.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of a sun gear mechanism for a continuously variable transmission according to the present invention;
FIG. 2 is a rear view of a sun gear mechanism for a continuously variable transmission according to the present invention;
FIG. 3 is a front sectional view of a second bevel gear in a sun gear mechanism for a continuously variable transmission according to the present invention;
FIG. 4 is a schematic structural view of a second bevel gear in a sun gear mechanism of a continuously variable transmission according to the present invention
FIG. 5 is a schematic structural view of a third bevel gear in a sun gear mechanism for a continuously variable transmission according to the present invention;
in the figure: 1-outer gear ring groove, 2-inner cover, 3-planet wheel, 4-sun wheel, 5-wheel shaft, 6-wheel groove, 7-shaft hole, 8-outer gear ring, 9-support rod, 10-fixing frame, 11-transmission rod, 12-first bevel gear, 13-driven shaft, 14-second bevel gear, 15-outer gear, 16-third bevel gear, 17-driving rod, 141-flat gear, 142-inner groove, 143-butterfly spring, 161-rubber gasket, 162-fixing ring and 163-bevel gear.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-5, a sun gear 4 mechanism for a continuously variable transmission includes an outer gear groove 1, an inner cover 2, a planetary gear 3, a sun gear 4, a wheel shaft 5, a wheel groove 6, a shaft hole 7, an outer gear ring 8, a support rod 9, a fixing frame 10, a transmission rod 11, a first bevel gear 12, a driven shaft 13, a second bevel gear 14, an outer gear 15, a third bevel gear 16 and a driving rod 17, the inner cover 2 is installed on the lower end surface of the outer gear groove 1, the planetary gear 3 is installed on the lower end surface of the inner cover 2, the sun gear 4 is installed on the lower end surface of the planetary gear 3, the wheel shaft 5 is installed in the middle of the sun gear 4, the wheel groove 6 is installed in the middle of the wheel groove 6, the outer gear ring 8 is installed on the right end surface of the outer gear groove 1, the support rod 9 is installed on the lower end surface of the support rod 9, the fixing frame, a first bevel gear 12 is mounted on the lower end face of the transmission rod 11, a driven shaft 13 is mounted on the left end face of the first bevel gear 12, a second bevel gear 14 is mounted on the lower end face of the first bevel gear 12, an external gear 15 is mounted on the lower end face of the second bevel gear 14, a third bevel gear 16 is mounted on the right end face of the external gear 15, and a driving rod 17 is mounted on the right end face of the third bevel gear 16;
the second bevel gear 14 comprises a flat gear 141, an inner groove 142 and a belleville spring 143, the flat gear 141 is arranged on the left side of the second bevel gear 14, the inner groove 142 is arranged in the middle of the flat gear 141, and the belleville spring 143 is arranged on the right end face of the inner groove 142;
the third bevel gear 16 comprises a rubber gasket 161, a fixing ring 162 and a bevel gear 163, the rubber gasket 161 is mounted on the left end face of the third bevel gear 16, the fixing ring 162 is mounted on the left end face of the rubber gasket 161, and the bevel gear 163 is mounted on the right end face of the fixing ring 162.
The outer gear ring groove 1 and the inner cover 2 are fixed through welding, the wheel shaft 5 and the sun gear 4 are fixed through thread rotation, the outer gear ring 8 and the outer gear 15 are fixed through welding, the outer gear ring 8 and the supporting rod 9 are fixed through bolts, the supporting rod 9 and the fixing frame 10 are fixed through welding, the first bevel gear 12 and the transmission rod 11 are fixed through welding, the second bevel gear 14 and the driven shaft 13 are fixed through welding, and the third bevel gear 16 and the driving rod 17 are fixed through welding.
The belleville spring 143 is fixed to the inner groove 142 by pressing, the rubber washer 161 is fixed to the fixing ring 162 by a bolt, and the bevel gear 163 is fixed to the drive lever 17 by welding.
The first bevel gears 12 are two groups, the specifications of the two groups of first bevel gears 12 are the same, the first bevel gears 12 are meshed with the second bevel gears 14, the second bevel gears 14 are hollow, and spring trigger rods are arranged inside the inner grooves 142, so that the power of the sun gear 15 can be transferred to the second bevel gears 14 through the two groups of first bevel gears 12.
The section of the rubber gasket 161 is trapezoidal, threads are arranged inside the fixing ring 162, and the bevel gear 163 is meshed with the external gear 15, so that the third bevel gear 16 can be effectively protected, and the fixing ring 162 is convenient to disassemble.
As an embodiment of the present invention: use when this is novel, outer ring groove 1 drives planet wheel 3 and rotates, three group's planet wheel 3 drive sun gear 4 and rotate, and inner cover 2 is installed to outer ring groove 1 inboard, can prevent effectively that planet wheel 3 from taking place the skew and leading to beating the tooth, the condition of disconnected tooth, shaft 5 through sun gear 4 inside is with power transmission to first bevel gear 12, first bevel gear 12 is with power transfer to second bevel gear 14 both ends, and bevel gear has the meshing characteristics of the progressive contact of skewed tooth, and overlap ratio is great, so the transmission is steady, small in noise, bearing capacity is strong, can obtain great drive ratio and less mechanism size, extension part life-span and construction are simple, make things convenient for the transmission, third bevel gear 16 conveys power to outer gear 15, make the utility model discloses play the transfer effect, stability is strong.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a sun gear mechanism for infinitely variable transmission, includes outer ring groove, inner cover, planet wheel, sun gear, shaft, race, shaft hole, outer gear circle, bracing piece, mount, transfer line, first bevel gear, driven shaft, second bevel gear, external gear, third bevel gear and drive lever, its characterized in that: the lower end face of the outer gear ring groove is provided with an inner cover, the lower end face of the inner cover is provided with a planet gear, the lower end face of the planet gear is provided with a sun gear, the middle of the sun gear is internally provided with a wheel shaft, the middle of the planet gear is provided with a wheel groove, the middle of the wheel groove is provided with a wheel shaft, the right end face of the outer gear ring is provided with an outer gear ring, the lower end face of the outer gear ring is provided with a support rod, the lower end face of the support rod is provided with a fixed frame, the lower end face of the fixed frame is provided with a transmission rod, the lower end face of the transmission rod is provided with a first bevel gear, the left end face of the first bevel gear is provided with a driven shaft, the lower end face of the first bevel gear;
the second bevel gear comprises a flat gear, an inner groove and a belleville spring, the flat gear is arranged on the left side of the second bevel gear, the inner groove is formed in the middle of the flat gear, and the belleville spring is mounted on the right end face of the inner groove;
the third bevel gear comprises a rubber gasket, a fixing ring and a bevel gear, the rubber gasket is installed on the left end face of the third bevel gear, the fixing ring is installed on the left end face of the rubber gasket, and the bevel gear is installed on the right end face of the fixing ring.
2. A sun gear mechanism for a continuously variable transmission according to claim 1, wherein: the outer gear ring groove and the inner cover are fixed through welding, the wheel shaft and the sun gear are fixed through thread rotation, the outer gear ring and the outer gear are fixed through welding, the outer gear ring and the supporting rod are fixed through bolts, the supporting rod and the fixing frame are fixed through welding, the first bevel gear and the transmission rod are fixed through welding, the second bevel gear and the driven shaft are fixed through welding, and the third bevel gear and the driving rod are fixed through welding.
3. A sun gear mechanism for a continuously variable transmission according to claim 1, wherein: the butterfly spring is fixed with the inner groove through extrusion, the rubber gasket is fixed with the fixing ring through bolts, and the bevel gear is fixed with the driving rod through welding.
4. A sun gear mechanism for a continuously variable transmission according to claim 1, wherein: the outer gear ring groove is meshed with the planet wheel, and the planet wheel is meshed with the sun wheel.
5. A sun gear mechanism for a continuously variable transmission according to claim 1, wherein: the planet wheel has three groups, and three groups the planet wheel specification is the same, sun gear diameter is greater than the planet wheel diameter.
6. A sun gear mechanism for a continuously variable transmission according to claim 1, wherein: the first bevel gears are two groups, the specifications of the first bevel gears are the same, the first bevel gears are meshed with the second bevel gears, the second bevel gears are hollow, and spring trigger rods are arranged inside the inner grooves.
7. A sun gear mechanism for a continuously variable transmission according to claim 1, wherein: the rubber gasket cross-section is trapezoidal shape, gu fixed ring inside is equipped with the screw thread, bevel gear and external gear meshing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829979.0U CN213064507U (en) | 2020-08-28 | 2020-08-28 | Sun gear mechanism for stepless speed changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829979.0U CN213064507U (en) | 2020-08-28 | 2020-08-28 | Sun gear mechanism for stepless speed changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213064507U true CN213064507U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021829979.0U Active CN213064507U (en) | 2020-08-28 | 2020-08-28 | Sun gear mechanism for stepless speed changer |
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| Country | Link |
|---|---|
| CN (1) | CN213064507U (en) |
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2020
- 2020-08-28 CN CN202021829979.0U patent/CN213064507U/en active Active
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