WO2008101382A1 - A central shaft acceleration gearing - Google Patents

A central shaft acceleration gearing Download PDF

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Publication number
WO2008101382A1
WO2008101382A1 PCT/CN2008/000199 CN2008000199W WO2008101382A1 WO 2008101382 A1 WO2008101382 A1 WO 2008101382A1 CN 2008000199 W CN2008000199 W CN 2008000199W WO 2008101382 A1 WO2008101382 A1 WO 2008101382A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
shaft
central shaft
planetary gear
end cover
Prior art date
Application number
PCT/CN2008/000199
Other languages
French (fr)
Chinese (zh)
Inventor
Shengwen Guo
Original Assignee
Shengwen Guo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shengwen Guo filed Critical Shengwen Guo
Publication of WO2008101382A1 publication Critical patent/WO2008101382A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M11/00—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels
    • B62M11/04—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio
    • B62M11/14—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears
    • B62M11/145—Transmissions characterised by the use of interengaging toothed wheels or frictionally-engaging wheels of changeable ratio with planetary gears built in, or adjacent to, the bottom bracket

Definitions

  • the present invention relates to a transmission device, and more particularly to a center axle speed increasing transmission device that can be used in a bicycle. Background technique
  • the technical problem to be solved by the present invention is to provide a center shaft speed increasing transmission device which can achieve the function of a large chainring with a small toothed disc, which is both beautiful and convenient to use.
  • a center shaft speed increasing transmission device comprising a middle shaft, a five-way, a left crank and a right crank and a left end cover at both ends of the central shaft;
  • There is an inner gear end cover one end of the inner gear end cover is an internal gear, and the other end is a right end cover, and the cloth end cover is coupled with the five-way joint, and a fixed planetary gear bracket, a spring, and a rotation are mounted on the axial direction of the middle shaft.
  • the external gear, the rolling bearing and the middle shaft bearing, the planetary gear shaft on the planetary gear carrier is parallel to the central shaft, and the planetary gear is mounted on the axial direction of the planetary gear shaft, and the inner gear of the planetary gear and the inner gear end cover respectively Engaging with an external gear, and the external gear is fixed with a toothed disc.
  • a further improvement of the above technical solution is that the number of the planetary gear shafts is 5 to 8.
  • a further improvement of the above technical solution is that the middle portion of the toothed disc has a circular groove.
  • the present invention breaks the transmission
  • the technical mode of the large-toothed disc drive realizes the non-equal motion of the crank and the toothed disc, and can be used for the function of the large-toothed disc.
  • Figure 1 is a front cross-sectional view of the shaft speed increasing transmission device of the present invention
  • Figure 2 is a cross-sectional view taken along line A - A of Figure 1. detailed description
  • the present invention provides a center axle speed increasing transmission device, comprising a center shaft 5, a five-way 4, a left crank 18 and a right crank 17 at the two ends of the center shaft 5, a left end cover 1, and a five-way 4
  • An internal gear end cover 8 is fixed on the side, an end gear of the internal gear end cover 8 is an internal gear, and the other end is a right end cover, and the right end cover is coupled with the five-way 4, and the bearing 2 and the circlip are sequentially installed in the axial direction of the center shaft 5.
  • the planetary gear carrier 16 is fixed on the central shaft 5, and the planetary gear shaft 15 on the planetary gear carrier 16 is in contact with the central shaft 5.
  • the planetary gear shaft (15) The number is 5 ⁇ 8.
  • Planetary gears 9 are mounted on the axial direction of each of the planetary gear shafts 15, and the planetary gears 9 are hinged to the planetary gear shafts 15 for rotation therewith.
  • the planetary gears 9 are internally and externally geared 10 of the inner gear end caps 8. In between, and the planetary gears 9 are respectively meshed with the internal gears and the external gears 10 of the internal gear end cover 8, the external gear 10 is also fixed with a toothed disk 14 having a circular groove in the middle.
  • the internal gear of the internal gear end cap 8 is 42 teeth
  • the planetary gear 9 is 9 teeth
  • the external gear 10 is 22 teeth.
  • the crank 18 drives the center shaft 5 to start to rotate downward by 360°
  • the planetary gear carrier 16 also rotates 360°.
  • the internal gear of the internal gear end cover 8 is fixed, the rotation of the planetary gear 9 drives the rotation of the external gear 10 meshing with the planetary gear 9, the planetary gear carrier 16 rotates 360°, the external gear 10 rotates 1008°, and the external gear 10 Turn 1008.
  • the toothed disc 14 is also rotated by 1008°.
  • the transmission device of the present invention realizes that the crank and the toothed disc do not move at the same speed, that is, the crank rotates 360° and the toothed disc rotates 1008°.
  • the 16 teeth of the toothed disc 14 in the present invention are equivalent to the 45 teeth of the conventional large toothed disc, and the small toothed disc achieves the speed increasing effect of the conventional large toothed disc.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)

Abstract

The present invention is related to a central shaft acceleration gearing, which includes a central shaft(5), a five-way(4), a left winch(18) and a right winch(17) on the ends of the central shaft, and a left cover(1). Beside the five-way(4), there fixes a inner gear cover(8). One end of the inner gear cover is a inner gear, and another end is a right cover(12). The right cover(12) is coupled to the five-way(4). Along axial of the five-way(4), there installs a fixed planet carrier(16), some snap rings, a rotatable outer gear(10), a needle bearing(13) and some central shaft bearings. The planet gear shaft of the planet carrier(16) is parallel to the central shaft(5). And along axial of the planet gear shaft, there installs some planet gears(19), the planet gears(19) are respective engaged with the inner gear of the inner gear cover(8) and the outer gear(10). On the above outer gear(10), there fixes a contrite gear(14). The present invention breaks the conventional technically mode which depending on big contrite gear driving, and realizes different speed movement of the winch and the contrite gear. Using small contrite gear could achieve the function of using the big contrite gear. For fold-bicycle, it is handsome and convenience.

Description

一种中轴增速传动装置 技术领域  Medium shaft speed increasing transmission device
本发明涉及一种传动装置， ·尤其是一种可用于自行车的中轴增速传动 装置。 背景技术  The present invention relates to a transmission device, and more particularly to a center axle speed increasing transmission device that can be used in a bicycle. Background technique
现有的自行车为了提高车速， 一般采用增加自行车主动齿轮齿数的 方法。 主动齿盘齿 增加后， 齿盘直径也相应增大， 由其对折叠车而言， 这样既不美观， 使用也不方便。 发明内容  In order to increase the speed of the existing bicycle, a method of increasing the number of teeth of the bicycle driving gear is generally employed. After the active toothed disc tooth is increased, the diameter of the toothed disc is also increased correspondingly, which is not aesthetically pleasing and inconvenient to use. Summary of the invention
本发明所要解决的技术问题是提供一种中轴增速传动装置， 该装置 用小齿盘能达到大齿盘的功能， 既美观， 使用又方便。  The technical problem to be solved by the present invention is to provide a center shaft speed increasing transmission device which can achieve the function of a large chainring with a small toothed disc, which is both beautiful and convenient to use.
为解决上述技术问题， 本发明釆用如下技术方案： 一种中轴增速传 动装置， 包括一中轴、 五通、 位于该中轴两端的左曲柄和右曲柄、 左端 盖； 五通侧面 定有一内齿轮端盖， 内齿轮端盖的一端是内齿轮， 另一 端为右端盖， 布端盖与五通联接， 在中轴的轴向上安装有固定的行星齿 轮支架、 卡簧、 可转动的外齿轮、 滚 ^轴承和中轴轴承， 行星齿轮支架 上的行星齿轮轴与中轴相平行， 在行星齿轮轴的轴向上安装有行星齿轮， 行星齿轮分别与内齿轮端盖的内齿轮和外齿轮啮合， 所述外齿轮上固定 有齿盘。  In order to solve the above technical problem, the present invention adopts the following technical solution: A center shaft speed increasing transmission device, comprising a middle shaft, a five-way, a left crank and a right crank and a left end cover at both ends of the central shaft; There is an inner gear end cover, one end of the inner gear end cover is an internal gear, and the other end is a right end cover, and the cloth end cover is coupled with the five-way joint, and a fixed planetary gear bracket, a spring, and a rotation are mounted on the axial direction of the middle shaft. The external gear, the rolling bearing and the middle shaft bearing, the planetary gear shaft on the planetary gear carrier is parallel to the central shaft, and the planetary gear is mounted on the axial direction of the planetary gear shaft, and the inner gear of the planetary gear and the inner gear end cover respectively Engaging with an external gear, and the external gear is fixed with a toothed disc.
上述技术方案的进一步改进是： 所述行星齿轮轴的数量为 5〜8个。 上述技术方案的进一步改进是： 所述齿盘中部有圆形凹槽。  A further improvement of the above technical solution is that the number of the planetary gear shafts is 5 to 8. A further improvement of the above technical solution is that the middle portion of the toothed disc has a circular groove.
采用上述技术方案后， 本发明具有如下有益效果： 本发明打破了传 统大齿盘传动的技术模式， 实现了曲柄、 齿盘不等速运动， 用于小齿盘 能达到大齿盘的功能。 对折叠车而言， 既美观、 使用又方便。 附图说明 After adopting the above technical solution, the present invention has the following beneficial effects: The present invention breaks the transmission The technical mode of the large-toothed disc drive realizes the non-equal motion of the crank and the toothed disc, and can be used for the function of the large-toothed disc. For folding bikes, it is both beautiful, easy to use and convenient. DRAWINGS
图 1是本发明中轴增速传动装置的正面剖视图；  Figure 1 is a front cross-sectional view of the shaft speed increasing transmission device of the present invention;
图 2是沿图 1中 A— A的剖视图。 具体实施方式  Figure 2 is a cross-sectional view taken along line A - A of Figure 1. detailed description
下面参考附图说明本发明的优选实施方式。  Preferred embodiments of the present invention will now be described with reference to the accompanying drawings.
如图 1所示， 本发明提供一种中轴增速传动装置， 包括一中轴 5、五 通 4、 位于该中轴 5两端的左曲柄 18和右曲柄 17、 左端盖 1 , 五通 4侧 面固定有一内齿轮端盖 8， 内齿轮端盖 8的一端是内齿轮， 另一端为右端 盖，右端盖与五通 4联接，在中轴 5的轴向上依次安装有轴承 2、卡簧 3、 卡簧 6、 轴承 7、 行星齿轮支架 16、 外齿轮 10、 滚针轴承 13和卡簧 12， 所述外齿轮 10套在中轴 5上的滚针轴承 13上， 可相对该轴旋转； 所述 的行星齿轮支架 16固定在中轴 5上， 行星齿轮支架 16上的行星齿轮轴 15与中轴 5相乎行， 在本发明的一个实施例中， 所述行星齿轮轴 （15 ) 的数量为 5〜8 、。在每个行星齿轮轴 15的轴向上安装有行星齿轮 9，行 星齿轮 9铰接在行星齿轮轴 15上， 可相对该轴旋转， 行星齿轮 9在内齿 轮端盖 8的内齿轮和外齿轮 10之间， 并且行星齿轮 9分别与内齿轮端盖 8的内齿轮和外齿轮 10啮合， 外齿轮 10上还固定有齿盘 14， 所述齿盘 14中部有圆形凹槽。  As shown in FIG. 1, the present invention provides a center axle speed increasing transmission device, comprising a center shaft 5, a five-way 4, a left crank 18 and a right crank 17 at the two ends of the center shaft 5, a left end cover 1, and a five-way 4 An internal gear end cover 8 is fixed on the side, an end gear of the internal gear end cover 8 is an internal gear, and the other end is a right end cover, and the right end cover is coupled with the five-way 4, and the bearing 2 and the circlip are sequentially installed in the axial direction of the center shaft 5. 3. a retaining spring 6, a bearing 7, a planetary gear carrier 16, an outer gear 10, a needle bearing 13 and a snap spring 12, the outer gear 10 being sleeved on a needle bearing 13 on the central shaft 5, rotatable relative to the shaft The planetary gear carrier 16 is fixed on the central shaft 5, and the planetary gear shaft 15 on the planetary gear carrier 16 is in contact with the central shaft 5. In an embodiment of the invention, the planetary gear shaft (15) The number is 5~8. Planetary gears 9 are mounted on the axial direction of each of the planetary gear shafts 15, and the planetary gears 9 are hinged to the planetary gear shafts 15 for rotation therewith. The planetary gears 9 are internally and externally geared 10 of the inner gear end caps 8. In between, and the planetary gears 9 are respectively meshed with the internal gears and the external gears 10 of the internal gear end cover 8, the external gear 10 is also fixed with a toothed disk 14 having a circular groove in the middle.
在本发明的一个实施例中， 设内齿轮端盖 8的内齿轮为 42个齿， 行 星齿轮 9为 9个齿， 外齿轮 10为 22个齿。 当曲柄 18带动中轴 5开始向 下方转 一个蹬动周期 360° 时， 行星齿轮支架 16也跟着转动 360° ， 内齿轮端盖 8的内齿轮固定不动，行星齿轮 9的转动， 带动与行星齿轮 9 相啮合的外齿轮 10的转动， 行星齿轮支架 16转动 360° ， 外齿轮 10转 动 1008° ， 外齿轮 10转动 1008。 ， 齿盘 14也跟着转动 1008° 。 In one embodiment of the present invention, the internal gear of the internal gear end cap 8 is 42 teeth, the planetary gear 9 is 9 teeth, and the external gear 10 is 22 teeth. When the crank 18 drives the center shaft 5 to start to rotate downward by 360°, the planetary gear carrier 16 also rotates 360°. The internal gear of the internal gear end cover 8 is fixed, the rotation of the planetary gear 9 drives the rotation of the external gear 10 meshing with the planetary gear 9, the planetary gear carrier 16 rotates 360°, the external gear 10 rotates 1008°, and the external gear 10 Turn 1008. The toothed disc 14 is also rotated by 1008°.
由上述可知， 本发明传动装置实现了曲柄、 齿盘不等速运动， 即： 曲柄转动 360° ， 齿盘转动 1008° 。 本发明中的齿盘 14的 16齿相当于 传统大齿盘的 45齿， 用小齿盘达到了传统采用大齿盘的增速效果。  It can be seen from the above that the transmission device of the present invention realizes that the crank and the toothed disc do not move at the same speed, that is, the crank rotates 360° and the toothed disc rotates 1008°. The 16 teeth of the toothed disc 14 in the present invention are equivalent to the 45 teeth of the conventional large toothed disc, and the small toothed disc achieves the speed increasing effect of the conventional large toothed disc.
上述实施例仅用以说明本发明但并不限制本发明， 凡是不脱离本发 明权利要求的精神所作的任何变更和替换均应属于本发明的保护范围。  The above-mentioned embodiments are only intended to illustrate the invention, but are not intended to limit the invention, and any changes and substitutions may be made without departing from the spirit and scope of the invention.

Claims

权利要求书； Claim;
1、 一种中轴增速传动装置， 包括一中轴 （5)、 五通（4)、 位于该中 轴 （5)两端的左曲柄 （18) 和右曲柄（17)、 左端盖 （1)， 其特征在于， 五通 （4) 侧面固定有一内齿轮端盖 （8)， 内齿轮端盖 （8) 的一端是内 '齿轮， 另一端为右端盖， 右端盖与五通 （4) 联接， 在中轴 （5) 的轴向 上依次安装有轴承 （2)， 卡簧 （3)， 卡簧 （6)， 轴承 （7)， 行星齿轮支 架（16)，外齿轮（10)，滚针轴承（13)和卡簧（12)，所述的外齿轮（10) 套在中轴 （5)上的滚针轴承 （13)上， 可相对该轴旋转； 所述的行星齿 轮支架 （16) 固定在中轴 （5)上， 行星齿轮支架 （16)上的行星齿轮轴 (15)与中轴 (5) 相平行， 在行 齿轮轴 (15) 的轴向上安装有行星齿 轮（9)， 行星齿轮 （9) 铰接在行星齿轮轴 （15) 上， 可相对该轴旋转， 行星齿轮 （9) 在内齿轮端盖 （8) 的内齿轮和外齿轮 （10) 之间， 并且 行星齿轮 （9) 分别与内齿轮端盖 （8) 的内齿轮和外齿轮 （10) 啮合， 所述外齿轮 （10) 上固定有齿盘 （14)。  1. A central axle speed increasing transmission device comprising a central shaft (5), a five-way (4), a left crank (18) and a right crank (17), and a left end cover (1) at both ends of the central shaft (5) The utility model is characterized in that an inner gear end cover (8) is fixed on the side of the five-way (4), one end of the inner gear end cover (8) is an inner gear, the other end is a right end cover, and the right end cover is a five-way (4) The bearing (2), the retaining spring (3), the retaining spring (6), the bearing (7), the planetary gear carrier (16), the external gear (10), are sequentially mounted in the axial direction of the center shaft (5). a needle bearing (13) and a circlip (12), the external gear (10) being sleeved on a needle bearing (13) on the central shaft (5), rotatable relative to the shaft; the planetary gear bracket (16) Fixed to the center shaft (5), the planetary gear shaft (15) on the planetary gear carrier (16) is parallel to the center shaft (5), and the planetary gear is mounted on the axial direction of the row gear shaft (15). (9), the planetary gear (9) is hinged on the planetary gear shaft (15) and rotatable relative to the shaft, and the planetary gear (9) is at the internal gear and the external gear of the internal gear end cover (8) Between (10), and the planetary gears (9) are respectively meshed with the internal gear and the external gear (10) of the internal gear end cover (8), and the external gear (10) is fixed with the spur disk (14).
2、 如权利要求 1所述的一种中轴增速传动装置， 其特征在于， 所述 行星齿轮轴 （15) 的数量为 5〜8个。  A center axle speed increasing transmission device according to claim 1, wherein the number of the planetary gear shafts (15) is 5 to 8.
3、 如权利聲求 1所述的一种中轴增速传动装置， 其特征在于， 所述 齿盘 '（14) 中^有圆形凹槽。  3. A center shaft speed increasing transmission device according to claim 1, wherein the toothed disk '(14) has a circular groove.
PCT/CN2008/000199 2007-02-16 2008-01-28 A central shaft acceleration gearing WO2008101382A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200720115636.6 2007-02-16
CNU2007201156366U CN201082754Y (en) 2007-02-16 2007-02-16 Centre shaft multiplying gear

Publications (1)

Publication Number Publication Date
WO2008101382A1 true WO2008101382A1 (en) 2008-08-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739642C1 (en) * 2020-04-14 2020-12-28 Евгений Петрович Неуймин Device for transmitting human muscle efforts to rim of driving wheel of road vehicle
RU203197U1 (en) * 2020-04-21 2021-03-25 Неуймин Евгений Петрович VEHICLE DRIVE WHEEL DRIVE BY HUMAN MUSCULAR POWER
CN112669657A (en) * 2021-01-19 2021-04-16 黑河学院 Russian translation learning auxiliary device
RU2788759C1 (en) * 2022-05-12 2023-01-24 Евгений Петрович Неуймин Vehicle wheel

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Publication number Priority date Publication date Assignee Title
US4776224A (en) * 1984-10-24 1988-10-11 Hitachi, Ltd. Planetary gear type reduction starter
CN2244520Y (en) * 1995-08-30 1997-01-08 张福锁 Speed variator for planetary chain gear of bicycle
CN2521141Y (en) * 2002-01-08 2002-11-20 庞明方 Bicycle middle axle driving sprocket speed booster
CN2748374Y (en) * 2004-11-05 2005-12-28 孙云南 Speed-increasing device for bicycle
CN2837196Y (en) * 2005-07-25 2006-11-15 曹俊忠 Central and rear axle speed increaser for bicycle
CN2858472Y (en) * 2005-11-03 2007-01-17 孙云南 Speed-increasing device for bicycle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4776224A (en) * 1984-10-24 1988-10-11 Hitachi, Ltd. Planetary gear type reduction starter
CN2244520Y (en) * 1995-08-30 1997-01-08 张福锁 Speed variator for planetary chain gear of bicycle
CN2521141Y (en) * 2002-01-08 2002-11-20 庞明方 Bicycle middle axle driving sprocket speed booster
CN2748374Y (en) * 2004-11-05 2005-12-28 孙云南 Speed-increasing device for bicycle
CN2837196Y (en) * 2005-07-25 2006-11-15 曹俊忠 Central and rear axle speed increaser for bicycle
CN2858472Y (en) * 2005-11-03 2007-01-17 孙云南 Speed-increasing device for bicycle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2739642C1 (en) * 2020-04-14 2020-12-28 Евгений Петрович Неуймин Device for transmitting human muscle efforts to rim of driving wheel of road vehicle
RU203197U1 (en) * 2020-04-21 2021-03-25 Неуймин Евгений Петрович VEHICLE DRIVE WHEEL DRIVE BY HUMAN MUSCULAR POWER
CN112669657A (en) * 2021-01-19 2021-04-16 黑河学院 Russian translation learning auxiliary device
CN112669657B (en) * 2021-01-19 2022-12-09 黑河学院 Russian translation learning auxiliary device
RU2788759C1 (en) * 2022-05-12 2023-01-24 Евгений Петрович Неуймин Vehicle wheel
RU2788752C1 (en) * 2022-06-21 2023-01-24 Евгений Петрович Неуймин Vehicle drive wheel

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