WO2015003665A1 - 一种减速齿轮箱 - Google Patents

一种减速齿轮箱 Download PDF

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Publication number
WO2015003665A1
WO2015003665A1 PCT/CN2014/083722 CN2014083722W WO2015003665A1 WO 2015003665 A1 WO2015003665 A1 WO 2015003665A1 CN 2014083722 W CN2014083722 W CN 2014083722W WO 2015003665 A1 WO2015003665 A1 WO 2015003665A1
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Prior art keywords
gear
bevel
bevel gear
shaft
straight double
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PCT/CN2014/083722
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English (en)
French (fr)
Inventor
李北河
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鹤山市精洋模具塑料五金制品有限公司
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Publication of WO2015003665A1 publication Critical patent/WO2015003665A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/2854—Toothed gearings for conveying rotary motion with gears having orbital motion involving conical gears

Definitions

  • the invention relates to a mechanical transmission mechanism, in particular to a reduction gearbox mainly used for a reduction transmission component, such as a power tool transmission.
  • the first-stage transmission of gearbox transmission structure of similar products on the market adopts belt and worm drive.
  • the main defect of the belt transmission mode is that the belt is easy to cause fatigue during use.
  • the worm drive is defective, the worm is prone to heat during use.
  • These two transmission structures cause slipping and form a sweeping tooth, which causes the whole machine to fail.
  • the final stage of the current transmission of the same type of product in the market is a transmission system with a central circumference. This transmission structure has a single function and is inconvenient to use, and cannot fully meet the needs of customers.
  • the object of the present invention is to provide a reduction gear box, which overcomes the above-mentioned deficiencies of the prior art, and adopts an iron-based alloy die-casting bevel gear reduction transmission structure, which fully solves the fatigue and heat generated during the use of the whole machine, and prolongs the product.
  • the service life improves the safety of the product, and the last stage drive adopts the star-staggered reduction transmission structure, which has more powerful functions and wider application range, which makes the user's operation more intimate.
  • a reduction gear box includes a gear box upper cover, a tapered bevel gear - a spur gear, a straight double gear, a cone-straight double gear, three bevel gears a, a bevel gear bracket, a gear box lower cover, a motor, and a motor Gear, bevel gear b, the upper cover of the gearbox and the lower cover of the gearbox are locked and respectively locked with the motor, the output end of the motor is connected to the motor gear, and the upper cover of the gearbox and the lower cover of the gearbox are connected
  • the tapered bevel of the tapered bevel-spur gear is vertically meshed with the motor gear, and the spur gear of the tapered bevel-spur gear meshes with the straight double gear of the upper cover of the gearbox and the lower cover of the gearbox,
  • One side of the straight double gear is provided with a cone-straight double gear fixed in the upper cover of the gear box and the lower cover of the gear box through a bevel gear bracket, and the spur gear of the cone-stra
  • the inner wall of the lower cover of the gearbox is provided with an internal gear, and meshes with the bevel gear a and the bevel gear b; the bevel gear of the cone-straight double gear and the three bevel gears a and the shaft are connected to the bevel gear carrier and one The bevel gears b are meshed separately.
  • the conical bevel gear is sleeved on the conical bevel gear shaft, and the upper end of the conical bevel gear shaft is coupled to the upper cover of the gear box via a ball bearing a, and the conical umbrella of the conical bevel gear The lower end of the gear shaft is connected to the gear shaft fixing plate locked on the lower cover of the gear box through the bevel gear sleeve.
  • the straight double gear is sleeved on the straight double gear shaft, the upper end of the straight double gear shaft is connected to the upper cover of the gear box, and the lower end of the straight double gear shaft is connected through the shaft of the straight double gear shaft
  • the gearbox lower cover is attached to the locked gear shaft fixing plate.
  • the lower portion of the tapered straight double gear is sleeved on the central shaft of the bevel gear carrier, and the coupling shaft at the upper end of the tapered double gear is connected to the upper cover of the gear box through the ball bearing b.
  • the three bevel gears a are respectively sleeved on three bevel gear shafts uniformly disposed on the bevel gear carrier.
  • the bevel gear b is connected to the bevel gear bracket through an O-ring and a sleeve, and the bevel gear b is sleeved on the outer side of the bevel gear.
  • a bearing ring and a sealing ring are disposed between the lower end of the bevel gear bracket and the bottom of the lower cover of the gear box.
  • the utility model has the beneficial effects of the reduction gear box of the invention: the use of the iron-based alloy die-casting bevel gear reduction transmission structure, fully solving the fatigue and heat generated during the use of the whole machine, prolonging the service life of the product and improving the safety of the product.
  • the last stage drive adopts the star-staggered reduction transmission structure, which has more powerful functions and wider application range, which makes the user's operation more intimate.
  • FIG. 1 is a schematic view of a reduction gear box according to the present invention.
  • FIG. 2 is a schematic view showing the dispersion of the reduction gear box of the present invention.
  • the reduction gear box includes a gear box upper cover 1, a tapered bevel gear-spur gear 3, a straight double gear 5, a cone-straight double gear 7, and a third.
  • Bevel gear a8, bevel gear carrier 10, gearbox lower cover 13, motor 14, motor gear 15, bevel gear b21, the gearbox upper cover 1 and the gearbox lower cover 13 are screwed and respectively connected to the motor 14 Locking, the output shaft of the motor 14 is synchronously connected with a motor gear 15 formed by die-casting of an iron-based alloy, and a tapered bevel of an iron-based alloy die-casting is formed by the upper cover 1 of the gearbox and the lower cover 13 of the gearbox.
  • the tapered bevel gear of the spur gear 3 is vertically meshed with the motor gear 15, and the spur gear of the tapered bevel gear spur gear 3 meshes with the straight double gear 5 of the gearbox upper cover 1 and the gearbox lower cover 13
  • the straight double gear 5 is arranged side by side with the tapered bevel gear 3 , and one side of the straight double gear 5 is fixed in the gear box upper cover 1 and the gear case lower cover 13 through the bevel gear bracket 10
  • the spur gear of the cone-straight double gear 7 meshes with the straight double gear 5, and the inner wall of the lower cover 13 of the gearbox is provided with internal teeth And meshing with the bevel gear a8 and the bevel gear b21; the bevel gear of the cone-straight double gear 7 meshes with the three bevel gears a8 and the bevel gear b21 which are respectively connected to the bevel gear carrier 10, and the cone-straight
  • the meshing of the double gear 7 with the three bevel gears a8 makes the cone-straight double gear 7
  • the motor 14 passes through the motor gear 15 and the tapered bevel-spur gear 3
  • the meshing transmits power
  • the double spur gear 5 decelerates to transmit power to the straight double gear 7, through the straight double gear 7, the three bevel gears a8, one bevel gear b21 and the inner gear in the gear box lower cover 13
  • the tapered planetary gear is decelerated and outputted by the bevel gear b21 and opened to form a star-staggered twisting function to realize a positive reduction transmission gearbox.
  • the conical bevel gear 3 is sleeved on the conical bevel gear shaft 4, and the upper end of the conical bevel gear shaft 4 is axially connected to the gearbox upper cover 1 by a ball bearing a2, the cone of the conical bevel gear 3
  • the lower end of the bevel gear shaft 4 is pivotally connected to the gear shaft fixing plate 18 of the gear case lower cover 13 via a screw-locked gear shaft through the bevel gear bushing 19.
  • the straight double gear 5 is sleeved on the straight double gear shaft 16, the upper end of the straight double gear shaft 16 is connected to the gear box upper cover 1, and the lower double gear shaft 16 lower end is passed through the straight double gear shaft sleeve 17
  • the shaft is coupled to the gear shaft fixing plate 18 which is screwed to the gear case lower cover 13.
  • the lower portion of the tapered double gear 7 is sleeved on the central shaft of the bevel gear carrier 10.
  • the coupling of the upper end of the tapered double gear 7 is axially connected to the upper cover 1 of the gear box via a ball bearing b6.
  • the three bevel gears a8 are respectively sleeved on the three bevel gear shafts 9 uniformly disposed on the bevel gear carrier 10.
  • the bevel gear b21 is axially connected to the bevel gear carrier 10 via an O-ring 22 and a sleeve 23, and the bevel gear b21 is covered with a bevel gear cap 20.
  • a bearing ring 11 and a sealing ring 12 are disposed between the lower end of the bevel gear carrier 10 and the bottom of the gear case lower cover 13 .

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • General Details Of Gearings (AREA)

Abstract

一种减速齿轮箱包括齿轮箱上盖（1）、锥形伞齿-直齿轮（3）、直双联齿轮（5）、锥-直双联齿轮（7）、锥齿轮a（8）、锥齿轮支架（10）、齿轮箱下盖（13）、电机（14）和锥齿轮b（21），电机（14）输出端轴接电机齿轮（15），齿轮箱上盖（1）和齿轮箱下盖（13）内轴接的锥形伞齿-直齿轮（3）的锥形伞齿与电机齿轮（15）垂直啮合，锥形伞齿-直齿轮（3）的直齿轮与齿轮箱上盖（1）和齿轮箱下盖（13）内轴接的直双联齿轮（5）啮合，直双联齿轮（5）一侧设有通过锥齿轮支架（10）固定在齿轮箱上盖（1）和齿轮箱下盖（13）内的锥-直双联齿轮（7），锥-直双联齿轮（7）的直齿轮与直双联齿轮（5）啮合，齿轮箱下盖（13）内壁设有内齿轮，且与锥齿轮a（8）、锥齿轮b（21）啮合；锥-直双联齿轮（7）的锥齿轮与轴接在锥齿轮支架（10）上的三个锥齿轮a（8）及一个锥齿轮b（21）分别啮合。

Description

一种减速齿轮箱 技术领域
本发明涉及一种机械传动机构，具体是一种主要用于减速传动部件，如电动工具传动等的减速齿轮箱。
 背景技术
目前市场上同类产品的齿轮箱传动结构第一级传动是采用皮带与蜗杆传动，皮带传动方式主要缺陷是，皮带在使用过程中容易造成疲劳，蜗杆传动方式只要缺陷是蜗杆在使用过程中容易发热，这两款传动结构方式造成打滑而形成扫齿导致整机失效。而最后一级传动目前市场同类产品减速传动是采用以一个中心圆周工作的传动方式，这种传动结构功能单一，使用不方便，不能完全满足客户使用需求。
技术问题
本发明的目的是提供一种减速齿轮箱，克服了现有技术的上述不足，采用铁基合金压铸成型的伞齿减速传动结构，充分解决整机在使用过程中造成疲劳和发热，延长产品的使用寿命，提高产品的安全性，而最后一级传动采用星形交错减速传动结构，功能更强大，使用范围更广，使用户操作更贴心。
 技术解决方案
为了达到上述设计目的，本发明采用的技术方案如下：
一种减速齿轮箱，包括齿轮箱上盖、锥形伞齿-直齿轮、直双联齿轮、锥-直双联齿轮、三个锥齿轮a、锥齿轮支架、齿轮箱下盖、电机、电机齿轮、锥齿轮b，所述齿轮箱上盖和齿轮箱下盖锁接，并分别与电机锁接，所述电机输出端轴接电机齿轮，齿轮箱上盖和齿轮箱下盖内轴接的锥形伞齿-直齿轮的锥形伞齿与电机齿轮垂直啮合，所述锥形伞齿-直齿轮的直齿轮与齿轮箱上盖和齿轮箱下盖内轴接的直双联齿轮啮合，所述直双联齿轮一侧设有通过锥齿轮支架固定在齿轮箱上盖和齿轮箱下盖内的锥-直双联齿轮，锥-直双联齿轮的直齿轮与直双联齿轮啮合，所述齿轮箱下盖内壁设有内齿轮，且与锥齿轮a、锥齿轮b啮合；所述锥-直双联齿轮的锥齿轮与轴接在锥齿轮支架上的三个锥齿轮a及一个锥齿轮b分别啮合。
优选地，所述锥形伞齿轮套接在锥形伞齿齿轮轴上，锥形伞齿齿轮轴上端通过滚珠轴承a轴接在齿轮箱上盖上，所述锥形伞齿轮的锥形伞齿齿轮轴下端通过伞齿齿轮轴套轴接在齿轮箱下盖上锁接的齿轮轴固定板上。
优选地，所述直双联齿轮套接在直双联齿轮轴上，直双联齿轮轴上端轴接在齿轮箱上盖上，直双联齿轮轴下端通过直双联齿轮轴套轴接在齿轮箱下盖上锁接的齿轮轴固定板上。
优选地，所述锥直双齿轮下部套接在锥齿轮支架的中轴上，锥直双齿轮上端的联轴通过滚珠轴承b轴接在齿轮箱上盖上。
优选地，所述三个锥齿轮a分别套接在锥齿轮支架上均匀设置的三个锥齿轮轴上。
优选地，所述锥齿轮b通过O型密封圈、轴套轴接在锥齿轮支架上，所述锥齿轮b外侧罩扣锥齿轮帽。
优选地，所述锥齿轮支架下端与齿轮箱下盖底部之间设有轴承圈、密封圈。
 有益效果
本发明所述的减速齿轮箱的有益效果是：采用铁基合金压铸成型的伞齿减速传动结构，充分解决整机在使用过程中造成疲劳和发热，延长产品的使用寿命，提高产品的安全性，而最后一级传动采用星形交错减速传动结构，功能更强大，使用范围更广，使用户操作更贴心。
（1）、使产品耐磨性好精度高，更加牢固耐用；
（2）、使产品运转平稳，齿轮承载能力较高；
（3）、使产品的受力更加均匀，对外力的吸收和缓冲效果更加明显；
（4）、延长了产品的使用寿命；
（5）、由于该产品用于运动件的减速传递，因而增强了产品的安全性；
（7）使用效果佳。
 附图说明
图1是本发明所述的减速齿轮箱的示意图。
图2是本发明所述的减速齿轮箱的分散示意图。
图中：
1、齿轮箱上盖；2、滚珠轴承a；3、锥形伞齿-直齿轮；4、锥形伞齿齿轮轴；5、直双联齿轮；6、滚珠轴承b；7、锥-直双联齿轮;8、锥齿轮a;9、锥齿轮轴；10、锥齿轮支架；11、轴承圈；12、密封圈；13、齿轮箱下盖；14、电机；15、电机齿轮；16、直双联齿轮轴；17、直双联齿轮轴套；18、齿轮轴固定板；19、伞齿齿轮轴套；20、锥齿轮帽；21、锥齿轮b；22、O型密封圈；23、轴套。
 本发明的最佳实施方式
下面结合附图对本发明的最佳实施方案作进一步的详细的描述。
如图1-2所示，本发明实施例所述的减速齿轮箱，包括齿轮箱上盖1、锥形伞齿-直齿轮3、直双联齿轮5、锥-直双联齿轮7、三个锥齿轮a8、锥齿轮支架10、齿轮箱下盖13、电机14、电机齿轮15、锥齿轮b21，所述齿轮箱上盖1和齿轮箱下盖13通过螺丝锁接，并分别与电机14锁接，所述电机14输出端同步轴接采用铁基合金压铸成型的电机齿轮15，齿轮箱上盖1和齿轮箱下盖13内轴接的采用铁基合金压铸成型的锥形伞齿-直齿轮3的锥形伞齿与电机齿轮15垂直啮合，所述锥形伞齿-直齿轮3的直齿轮与齿轮箱上盖1和齿轮箱下盖13内轴接的直双联齿轮5啮合，所述直双联齿轮5与锥形伞齿-直齿轮3并排设置，所述直双联齿轮5一侧设有通过锥齿轮支架10固定在齿轮箱上盖1和齿轮箱下盖13内的锥-直双联齿轮7，锥-直双联齿轮7的直齿轮与直双联齿轮5啮合，所述齿轮箱下盖13内壁设有内齿轮，且与锥齿轮a8、锥齿轮b21啮合；所述锥-直双联齿轮7的锥齿轮与轴接在锥齿轮支架10上的三个锥齿轮a8及一个锥齿轮b21分别啮合,锥-直双联齿轮7与三个锥齿轮a8的啮合使得锥-直双联齿轮7运行更平稳，锥齿轮b21用于输出动力，使用时，电机14通过电机齿轮15与锥形伞齿-直齿轮3的啮合传递动力，再由双联直齿轮5减速传递功率到锥直双联齿轮7，通过锥直双齿轮7、三个锥齿轮a8、一个锥齿轮b21与齿轮箱下盖13内的内齿轮组成的锥形行星齿轮减速并由锥齿轮b21输出功率并开形成星形交错揉机功能，实现正个减速传递齿轮箱。
所述锥形伞齿轮3套接在锥形伞齿齿轮轴4上，锥形伞齿齿轮轴4上端通过滚珠轴承a2轴接在齿轮箱上盖1上，所述锥形伞齿轮3的锥形伞齿齿轮轴4下端通过伞齿齿轮轴套19轴接在齿轮箱下盖13上通过螺丝锁接的齿轮轴固定板18上。
所述直双联齿轮5套接在直双联齿轮轴16上，直双联齿轮轴16上端轴接在齿轮箱上盖1上，直双联齿轮轴16下端通过直双联齿轮轴套17轴接在齿轮箱下盖13上通过螺丝锁接的齿轮轴固定板18上。
所述锥直双齿轮7下部套接在锥齿轮支架10的中轴上，锥直双齿轮7上端的联轴通过滚珠轴承b6轴接在齿轮箱上盖1上。
所述三个锥齿轮a8分别套接在锥齿轮支架10上均匀设置的三个锥齿轮轴9上。
所述锥齿轮b21通过O型密封圈22、轴套23轴接在锥齿轮支架10上，所述锥齿轮b21外侧罩扣锥齿轮帽20。
所述锥齿轮支架10下端与齿轮箱下盖13底部之间设有轴承圈11、密封圈12。
以上实施例仅仅为示例性的，在本实用新型的上述教导下，本领域技术人员可以在上述实施例的基础上进行各种改进和变形，而这些改进或者变形落在本发明的保护范围内。本领域技术人员应该明白，上面的具体描述只是为了解释本发明的目的，并非用于限制本实用新型。本发明的保护范围由权利要求及其等同物限定。

Claims (7)

  1. 一种减速齿轮箱，其特征在于：包括齿轮箱上盖、锥形伞齿-直齿轮、直双联齿轮、锥-直双联齿轮、三个锥齿轮a、锥齿轮支架、齿轮箱下盖、电机、电机齿轮、锥齿轮b，所述齿轮箱上盖和齿轮箱下盖锁接，并分别与电机锁接，所述电机输出端轴接电机齿轮,齿轮箱上盖和齿轮箱下盖内轴接的锥形伞齿-直齿轮的锥形伞齿与电机齿轮垂直啮合,所述锥形伞齿-直齿轮的直齿轮与齿轮箱上盖和齿轮箱下盖内轴接的直双联齿轮啮合，所述直双联齿轮一侧设有通过锥齿轮支架固定在齿轮箱上盖和齿轮箱下盖内的锥-直双联齿轮，锥-直双联齿轮的直齿轮与直双联齿轮啮合，所述齿轮箱下盖内壁设有内齿轮，且与锥齿轮a、锥齿轮b啮合；所述锥-直双联齿轮的锥齿轮与轴接在锥齿轮支架上的三个锥齿轮a及一个锥齿轮b分别啮合。
  2. 根据权利要求1所述的减速齿轮箱，其特征在于：所述锥形伞齿轮套接在锥形伞齿齿轮轴上，锥形伞齿齿轮轴上端通过滚珠轴承a轴接在齿轮箱上盖上，所述锥形伞齿轮的锥形伞齿齿轮轴下端通过伞齿齿轮轴套轴接在齿轮箱下盖上锁接的齿轮轴固定板上。
  3. 根据权利要求1所述的减速齿轮箱，其特征在于：所述直双联齿轮套接在直双联齿轮轴上，直双联齿轮轴上端轴接在齿轮箱上盖上，直双联齿轮轴下端通过直双联齿轮轴套轴接在齿轮箱下盖上锁接的齿轮轴固定板上。
  4. 根据权利要求1所述的减速齿轮箱，其特征在于：所述锥直双齿轮下部套接在锥齿轮支架的中轴上，锥直双齿轮上端的联轴通过滚珠轴承b轴接在齿轮箱上盖上。
  5. 根据权利要求1所述的减速齿轮箱，其特征在于：所述三个锥齿轮a分别套接在锥齿轮支架上均匀设置的三个锥齿轮轴上。
  6. 根据权利要求1所述的减速齿轮箱，其特征在于：所述锥齿轮b通过O型密封圈、轴套轴接在锥齿轮支架上，所述锥齿轮b外侧罩扣锥齿轮帽。
  7. 根据权利要求1所述的减速齿轮箱，其特征在于：所述锥齿轮支架下端与齿轮箱下盖底部之间设有轴承圈、密封圈。
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