WO2012071979A1 - Mechanical lock-type differential - Google Patents

Mechanical lock-type differential Download PDF

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Publication number
WO2012071979A1
WO2012071979A1 PCT/CN2011/082169 CN2011082169W WO2012071979A1 WO 2012071979 A1 WO2012071979 A1 WO 2012071979A1 CN 2011082169 W CN2011082169 W CN 2011082169W WO 2012071979 A1 WO2012071979 A1 WO 2012071979A1
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WO
WIPO (PCT)
Prior art keywords
differential
hole
crankset
mechanical lock
steel ball
Prior art date
Application number
PCT/CN2011/082169
Other languages
French (fr)
Chinese (zh)
Inventor
张惠杰
Original Assignee
Zhang Huijie
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.)
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Publication date
Application filed by Zhang Huijie filed Critical Zhang Huijie
Publication of WO2012071979A1 publication Critical patent/WO2012071979A1/en

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Classifications

    • 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
    • F16H48/00—Differential gearings
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/24—Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
    • 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
    • F16H48/00—Differential gearings
    • F16H48/20—Arrangements for suppressing or influencing the differential action, e.g. locking devices
    • F16H48/30—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means
    • F16H2048/305—Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using manual actuators
    • 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
    • F16H48/00—Differential gearings
    • F16H48/06—Differential gearings with gears having orbital motion
    • F16H48/08—Differential gearings with gears having orbital motion comprising bevel gears

Definitions

  • the present invention relates to a manually operated purely mechanical mechanical lock differential.
  • the differentials are divided into three categories: open differentials, limited slip differentials, and lock-type differentials.
  • the present invention is a lock-up differential.
  • Locking differentials are divided into three categories: electric lock differential, pneumatic lock differential and mechanical lock differential.
  • the electronically controlled lock differential turns on the electromagnetic coil through the switch start circuit, uses the electromagnetic force to drive the differential lock device to unlock and lock, and the pneumatic lock differential turns on the air storage switch device to release the air through the switch start circuit.
  • the compressed gas of the compressor drives the differential lock to unlock and lock.
  • the above two types of lock differentials need to consume electricity and compress air as the energy source for driving the locking device during the process of opening and closing the lock.
  • the present invention provides a mechanical lock differential that eliminates the need for energy as a driving force and can be fully locked to achieve the purpose of fully locking the differential.
  • the mechanical lock differential is to make the differential and the differential gear half shaft steelly connected to achieve the purpose of locking the differential.
  • the steel connection of the differential case to the differential gear half shaft is accomplished by a jaw clutch.
  • the jaw clutch is composed of a crankset (1) and a disc (2).
  • the crankset (1) is integrated with the differential case, and the crankset (2) and the side differential gear half shaft constitute a sliding spline pair.
  • the sliding rod (7) is parallel to the differential gear half shaft (17) and the fork (3) and the spring (8) constitute a moving linear guide pair, and the two ends of the sliding rod are respectively fixed to the hole (9) of the axle housing and the difference In the hole (10) of the gear housing.
  • the pulley block is mounted on the axle housing, and the control cable (15) is connected to the fork (3) through the pulley (12). Pull the control cable (15) to move the fork (3) in the direction of the pulling force on the slider (7), and squeeze the spring (8) during the movement to drive the sprocket (2) to engage with the crankset (1).
  • the differential gear half shaft (17) is rigidly connected to the differential, and the differential is locked; the operating cable (15) is released, and the fork (3) is reset by the spring (8) to drive
  • the crankset (2) is separated from the crankset (1) and the differential is unlocked.
  • the invention has the beneficial effects that the unlocking differential can be manually locked, and no additional energy is required as the driving force to drive the locking mechanism to operate, and the structure is simple and compact.
  • FIG. 1 is a schematic view showing the structural assembly of a three-dimensional side view of the present invention.
  • FIG. 2 is a partial cross-sectional view showing the three-dimensional side view of the crankset (1), the crankset (2), the fork (3), the retainer, the steel ball (4), the retainer, and the steel ball (5) of the present invention.
  • Fig. 3 is a partial cross-sectional view showing the three-dimensional side view of the axle housing (19) and the axle housing (20) of the present invention.
  • Fig. 4 is a partially sectional exploded state view of the three-dimensional side view of the present invention.
  • Figure 5 is a partially cutaway state diagram of a three-dimensional side view of the present invention.
  • crankset (1) is a part of the differential case, which is an axially outward extension of the bearing mounting position at one end of the differential and has an external spline that can engage with the large internal spline of the crankset (2).
  • the sprocket wheel (2) is a cylindrical assembly whose center is a small internal spline that can engage with the external spline of the differential gear half shaft (17), and the large end cylinder has a large internal flower that meshes with the sprocket wheel (1).
  • the key and the axial end face have curved grooves matching the retainer and the steel ball of the steel ball (4); the small end cylinder and the round cover are connected by screws (6), and the center of the round cover is larger than the differential gear half shaft (17)
  • the hole of the outer diameter of the outer spline has a curved groove which is concentric with the hole and matched with the steel ball of the retainer and the steel ball (5).
  • the fork (3) has a sleeve slidably coupled to the slide bar (7), and has a hole for inserting the small end cylinder of the sprocket wheel (2), and each end of the hole has a center which is the same as the hole and can be used with the retainer
  • the steel ball (4), the retainer, and the steel ball (5) match the curved groove of the ball.
  • the differential gear half shaft (17) has an external spline that protrudes radially outward and matches the small internal spline of the crankset (2).
  • the differential bearing (16) is fitted into the differential crankshaft side bearing mounting position, the sprocket wheel (2) passes through the retainer, the steel ball (4), the fork (3), the retainer, the steel ball (5), and the tooth
  • the disc (2) is connected by a dome and fixed by screws (6) to form a thrust bearing set; the slide bar (7) passes through the fork (3), the spring (8), and is fixed in the hole (9) (Fig. 3) In the hole (10); the pulley seat (11), the pulley (12), the pulley shaft (13), and the spring (14) constitute a pulley block.
  • crankset (2), the retainer, the steel ball (4), the fork (3), the retainer, and the steel ball (5) are engaged with the crankset (1) in a combined state.
  • the through hole (9) on the axial end face of the axle housing (19) is concentric with the corresponding counterbore (10) on the side of the differential bearing housing (21) and the core connection is parallel to the differential gear half shaft.
  • the pulley base (11) is integral with the axle housing (19) and is located between the two slide bars when the slider (7) is fixed in the hole (9) and the hole (10).

Abstract

Disclosed is a mechanical lock-type differential. The differential operates a cable (15) by pulling to move a shift fork (3) along a slide bar (7) in pulling direction, and a spring (8) is compressed during the movement, thus a second gear (2) is driven to engage with a first gear (1), such that a differential gear half-axle (17) is rigidly connected to the differential, thereby the differential is locked.

Description

说 明 书 机械锁式差速器 技术领域：  Description Book Mechanical Lock Differential Technology Field:
本发明涉及一种手动操作的纯机械的机械锁式差速器。  The present invention relates to a manually operated purely mechanical mechanical lock differential.
背景技术： Background technique:
目前差速器分三类： 开放式差速器、 限滑差速器、 锁止式差速器。 本发明是锁止式差速 器。 锁止式差速器分： 电控锁式差速器、 气动锁式差速器、 机械锁式差速器三大类。 电控锁 式差速器通过开关启动电路接通电磁线圈， 使用电磁力驱动差速器锁止装置开锁与闭锁， 气 动锁式差速器通过开关启动电路接通储气灌开关装置释放经空气压缩机压縮的气体驱动差速 器锁止装置开锁与闭锁。 以上两种锁式差速器在达到开闭锁目的过程中需要消耗电、 压缩空 气作为驱动锁止装置的能源。  At present, the differentials are divided into three categories: open differentials, limited slip differentials, and lock-type differentials. The present invention is a lock-up differential. Locking differentials are divided into three categories: electric lock differential, pneumatic lock differential and mechanical lock differential. The electronically controlled lock differential turns on the electromagnetic coil through the switch start circuit, uses the electromagnetic force to drive the differential lock device to unlock and lock, and the pneumatic lock differential turns on the air storage switch device to release the air through the switch start circuit. The compressed gas of the compressor drives the differential lock to unlock and lock. The above two types of lock differentials need to consume electricity and compress air as the energy source for driving the locking device during the process of opening and closing the lock.
发明内容- 为解决现有锁止式差速器需要额外能源作为驱动锁止装置的驱动力的问题。 本发明提供 一种机械锁式差速器， 无需使用能源作为驱动力， 只需手动操作便能达到完全锁止开启差速 器的目的。 SUMMARY OF THE INVENTION - In order to solve the existing lock-up differential, additional energy is required as a driving force for driving the locking device. The present invention provides a mechanical lock differential that eliminates the need for energy as a driving force and can be fully locked to achieve the purpose of fully locking the differential.
本发明解决其技术问题所采用的技术方案是：  The technical solution adopted by the present invention to solve the technical problem thereof is:
本机械锁式差速器是使差速器与差速器齿轮半轴钢性连接来达到锁止差速器的目的。 差 速器壳与差速器齿轮半轴的钢性连接是通过牙嵌离合器来完成。牙嵌离合器由牙盘（1 )与牙 盘（2)组成， 牙盘（1 )与差速器壳为一体， 牙盘（2 )与一侧差速器齿轮半轴组成滑动花键 副。 滑杆 （7)平行于差速器齿轮半轴 （17) 与拔叉 （3 ) 和弹簧 （8) 组成移动直线导轨副， 滑杆的两端分别固定在桥壳的孔 （9)和差速器轴承座的孔 （10) 中。 滑轮组安装在桥壳上， 操纵拉索（15 )—端通过滑轮（12 )导向与拔叉（3 )连接。拉动操纵拉索（15)， 使拔叉（3 ) 在滑杆（7)上延拉力方向移动， 移动过程中挤压弹簧（8 )， 带动牙盘（2)与牙盘（1 )咬合， 使差速器齿轮半轴（17)与差速器钢性连接， 差速器锁止； 松开操纵拉索（15 )， 在弹簧（8) 的作用下使拔叉 （3 ) 复位， 带动牙盘 （2) 与牙盘 （1 ) 分离， 差速器解锁。  The mechanical lock differential is to make the differential and the differential gear half shaft steelly connected to achieve the purpose of locking the differential. The steel connection of the differential case to the differential gear half shaft is accomplished by a jaw clutch. The jaw clutch is composed of a crankset (1) and a disc (2). The crankset (1) is integrated with the differential case, and the crankset (2) and the side differential gear half shaft constitute a sliding spline pair. The sliding rod (7) is parallel to the differential gear half shaft (17) and the fork (3) and the spring (8) constitute a moving linear guide pair, and the two ends of the sliding rod are respectively fixed to the hole (9) of the axle housing and the difference In the hole (10) of the gear housing. The pulley block is mounted on the axle housing, and the control cable (15) is connected to the fork (3) through the pulley (12). Pull the control cable (15) to move the fork (3) in the direction of the pulling force on the slider (7), and squeeze the spring (8) during the movement to drive the sprocket (2) to engage with the crankset (1). The differential gear half shaft (17) is rigidly connected to the differential, and the differential is locked; the operating cable (15) is released, and the fork (3) is reset by the spring (8) to drive The crankset (2) is separated from the crankset (1) and the differential is unlocked.
本发明的有益效果是： 能够手动锁止解锁差速器， 不需要任何额外的能源做为驱动力来 驱动锁止机构动作， 结构简单、 紧凑。  The invention has the beneficial effects that the unlocking differential can be manually locked, and no additional energy is required as the driving force to drive the locking mechanism to operate, and the structure is simple and compact.
附图说明 DRAWINGS
图 1是本发明的三维侧视图的零件结构装配示意图。  BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic view showing the structural assembly of a three-dimensional side view of the present invention.
图 2是本发明的牙盘（1 )、牙盘（2)、拔叉（3 )、保持器、钢珠（4)、保持器、钢珠（5 ) 三维侧视图的局部剖视装配示意图。  2 is a partial cross-sectional view showing the three-dimensional side view of the crankset (1), the crankset (2), the fork (3), the retainer, the steel ball (4), the retainer, and the steel ball (5) of the present invention.
图 3是本发明的桥壳 （19)、 桥壳 （20) 三维侧视图的局部剖视装配示意图。  Fig. 3 is a partial cross-sectional view showing the three-dimensional side view of the axle housing (19) and the axle housing (20) of the present invention.
图 4是本发明的三维侧视图的局部剖视解锁状态图。  Fig. 4 is a partially sectional exploded state view of the three-dimensional side view of the present invention.
图 5是本发明的三维侧视图的局部剖视闭锁状态图。  Figure 5 is a partially cutaway state diagram of a three-dimensional side view of the present invention.
图中 1.牙盘， 2.牙盘， 3.拔叉， 4.保持器、 钢珠， 5.保持器、 钢珠， 6.螺丝， 7.滑杆， 8.弹 簧， 9.孔， 10.孔， 11.滑轮座， 12.滑轮， 13.滑轮轴， 14.卡簧， 15.操纵拉索， 16.差速器轴承， 17.差速器齿轮半轴， 18.螺丝， 19.桥壳， 20.桥壳， 21.差速器轴承座。 说 明 书 具体实施方式： In the figure, 1. sprocket wheel, 2. sprocket wheel, 3. fork, 4. retainer, steel ball, 5. retainer, steel ball, 6. screw, 7. slide bar, 8. spring, 9. hole, 10. Hole, 11. pulley seat, 12. pulley, 13. pulley shaft, 14. circlip, 15. steering cable, 16. differential bearing, 17. differential gear half shaft, 18. screw, 19. bridge Shell, 20. axle housing, 21. differential housing. Detailed description of the specification:
图 1中， 牙盘（1)是差速器壳的一部分， 是差速器一端轴承安装位置轴向向外的延伸且 有可与牙盘 （2) 大内花键相咬合的外花键。  In Fig. 1, the crankset (1) is a part of the differential case, which is an axially outward extension of the bearing mounting position at one end of the differential and has an external spline that can engage with the large internal spline of the crankset (2). .
牙盘 （2)为圆柱组合体， 其中心为能与差速器齿轮半轴 （17) 外花键咬合的小内花键， 大端圆柱有与牙盘 （1)相咬合的大内花键且轴向端面有与保持器、 钢珠 （4) 的钢珠相配合 的弧形凹槽； 小端圆柱与圆盖用螺丝（6)连接， 圆盖中心有大于差速器齿轮半轴（17)外花 键圆周直径的孔， 径向向外有与孔同心且与保持器、 钢珠 （5) 的钢珠匹配的弧形凹槽。  The sprocket wheel (2) is a cylindrical assembly whose center is a small internal spline that can engage with the external spline of the differential gear half shaft (17), and the large end cylinder has a large internal flower that meshes with the sprocket wheel (1). The key and the axial end face have curved grooves matching the retainer and the steel ball of the steel ball (4); the small end cylinder and the round cover are connected by screws (6), and the center of the round cover is larger than the differential gear half shaft (17) The hole of the outer diameter of the outer spline has a curved groove which is concentric with the hole and matched with the steel ball of the retainer and the steel ball (5).
拔叉（3)有可与滑杆（7)滑动连接的套管， 有可套入牙盘（2)小端圆柱的孔， 孔的两 端各有一个与孔同圆心且可与保持器钢珠 （4)、 保持器、 钢珠 （5) 的钢珠匹配的弧形凹槽。  The fork (3) has a sleeve slidably coupled to the slide bar (7), and has a hole for inserting the small end cylinder of the sprocket wheel (2), and each end of the hole has a center which is the same as the hole and can be used with the retainer The steel ball (4), the retainer, and the steel ball (5) match the curved groove of the ball.
差速器齿轮半轴 （17) 有径向向外凸出的与牙盘 （2) 小内花键匹配的外花键。  The differential gear half shaft (17) has an external spline that protrudes radially outward and matches the small internal spline of the crankset (2).
差速器轴承 （16) 装入差速器牙盘侧轴承安装位置， 牙盘 （2) 穿过保持器、 钢珠 （4)、 拔叉（3)、 保持器、 钢珠（5)， 与牙盘（2) 圆盖连接并由螺丝（6) 固定， 组成推力轴承组； 滑杆（7)穿过拔叉（3)、 弹簧（8)， 固定在（图 3中）孔（9)与孔（10) 中； 滑轮座（11)、 滑轮 （12)、 滑轮轴 （13)、 卡簧 （14) 组成滑轮组。  The differential bearing (16) is fitted into the differential crankshaft side bearing mounting position, the sprocket wheel (2) passes through the retainer, the steel ball (4), the fork (3), the retainer, the steel ball (5), and the tooth The disc (2) is connected by a dome and fixed by screws (6) to form a thrust bearing set; the slide bar (7) passes through the fork (3), the spring (8), and is fixed in the hole (9) (Fig. 3) In the hole (10); the pulley seat (11), the pulley (12), the pulley shaft (13), and the spring (14) constitute a pulley block.
图 2中， 牙盘（2)、 保持器、 钢珠 （4)、 拔叉 （3)、 保持器、 钢珠（5)在组合状态下与 牙盘 （1) 咬合。  In Fig. 2, the crankset (2), the retainer, the steel ball (4), the fork (3), the retainer, and the steel ball (5) are engaged with the crankset (1) in a combined state.
图 3中， 桥壳（19)轴向端面上的通孔（9)与差速器轴承座（21)侧面的相对应的沉孔 (10) 同心且孔心连线平行于差速器齿轮半轴 （17) 轴心线； 滑轮座 （11) 与桥壳 （19) 为 一体， 位于滑杆 （7) 固定在孔 （9) 与孔 （10) 中时的两滑杆中间位置。  In Fig. 3, the through hole (9) on the axial end face of the axle housing (19) is concentric with the corresponding counterbore (10) on the side of the differential bearing housing (21) and the core connection is parallel to the differential gear half shaft. (17) Shaft line; The pulley base (11) is integral with the axle housing (19) and is located between the two slide bars when the slider (7) is fixed in the hole (9) and the hole (10).
图 4中， 拉动操纵拉索（15)， 带动拔叉（3)在滑杆（7)上延拉力方向移动， 移动过程 中挤压弹簧 （8)， 带动牙盘 （2)在差速器齿轮半轴 （17) 上移动与牙盘 （1) 咬合， 锁止差 速器。  In Fig. 4, the operating cable (15) is pulled, and the pulling fork (3) is moved on the sliding rod (7) in the direction of the pulling force. During the moving process, the spring (8) is squeezed, and the cranking plate (2) is driven at the differential. Move the gear half shaft (17) to engage the crankset (1) and lock the differential.
图 5中， 操纵拉索 （15) 钢丝端挠过滑轮 （12)， 由螺丝 （18) 固定在拔叉 （3) 上， 操纵拉 索 （15) 软管一端固定在桥壳 （19) 上。 松开操纵拉索 （15)， 在弹簧 （8) 的作用下使拔叉 (3) 复位， 带动牙盘 （2) 与牙盘 （1) 分离， 差速器解锁。 In Figure 5, the operating cable (15) is bent over the pulley (12), fixed to the fork (3) by a screw (18), and the cable (15) is fixed at one end of the hose (19). . Loosen the control cable (15), reset the fork (3) under the action of the spring (8), separate the crankset (2) from the crankset (1), and unlock the differential.

Claims

权 利 要 求 书 Claim
1.一种机械锁式差速器， 通过使差速器与差速器齿轮半轴钢性连接来达到锁止差速器的目的， 其特征是： 牙盘（1 )与差速器壳为一体， 牙盘（2)与一侧差速器齿轮半轴组成滑动花键副， 滑杆（7)平行于差速器齿轮半轴（17 )与拔叉（3 )和弹簧（8)组成滑动直线导轨副， 滑杆 的两端分别固定在桥壳的孔（9)和差速器轴承座的孔（10) 中， 操纵拉索 （15 )—端通过由 滑轮座 （11 )、 滑轮 （12)、 滑轮轴 （13 )、 卡簧 （14) 组成的滑轮组与拔叉 （3) 连接。 A mechanical lock differential that achieves the purpose of locking the differential by rigidly connecting the differential to the differential gear half shaft, characterized by: a crankset (1) and a differential case Integral, the crankset (2) and the side differential gear half shaft constitute a sliding spline pair, the slide bar (7) is parallel to the differential gear half shaft (17) and the fork (3) and the spring (8) Forming a sliding linear guide pair, the two ends of the sliding rod are respectively fixed in the hole (9) of the axle housing and the hole (10) of the differential bearing housing, and the operating cable (15) is end-passed by the pulley seat (11), The pulley block consisting of the pulley (12), the pulley shaft (13) and the snap spring (14) is connected to the fork (3).
2.根据权利要求 1 所述的机械锁式差速器， 其特征是： 牙盘 （1 ) 是差速器壳的一部分， 是 差速器一端轴承安装位置轴向向外的延伸且有可与牙盘 （2) 大内花键相咬合的外花键。  2. The mechanical lock differential according to claim 1, wherein: the crankset (1) is a part of the differential case, and is an axially outward extension of the bearing mounting position of the differential end and has a An external spline that engages with the large inner spline of the crankset (2).
3.根据权利要求 1 所述的机械锁式差速器， 其特征是： 牙盘 （2) 为圆柱组合体， 其中心为 能与差速器齿轮半轴 （17)外花键咬合的小内花键， 大端圆柱有与牙盘（1 )相咬合的大内花 键且轴向端面有与保持器、钢珠（4)的钢珠相配合的弧形凹槽； 小端圆柱与圆盖用螺丝（6) 连接， 圆盖中心有大于差速器齿轮半轴 （17) 外花键圆周直径的孔， 径向向外有与孔同心且 与保持器、 钢珠 （5) 的钢珠匹配的弧形凹槽。  The mechanical lock differential according to claim 1, characterized in that: the crankset (2) is a cylindrical assembly whose center is small enough to engage with the external spline of the differential gear half shaft (17). Internal spline, the large end cylinder has a large internal spline that engages with the crankset (1) and the axial end face has an arcuate groove that matches the retainer and the steel ball of the steel ball (4); the small end cylinder and the dome Connected by screws (6), the center of the dome has a hole larger than the outer diameter of the outer key of the differential gear half shaft (17), which is radially outwardly concentric with the hole and matched with the steel ball of the retainer and the steel ball (5). Curved groove.
4.根据权利要求 1所述的机械锁式差速器， 其特征是： 拔叉 （3 ) 有可与滑杆 （7) 滑动连接 的套管， 有可套入牙盘（2)小端圆柱的孔； 孔的两端各有一个与孔同圆心且可与保持器钢珠 4. The mechanical lock differential according to claim 1, characterized in that: the fork (3) has a sleeve slidably coupled to the slide bar (7), and has a small end that can be inserted into the crankset (2) a hole in a cylinder; each end of the hole has a center that is the same as the hole and can be attached to the retainer ball
(4)、 保持器、 钢珠 （5) 的钢珠匹配的弧形凹槽。 (4), the retainer, the steel ball (5) of the steel ball matching the curved groove.
5.根据权利要求 1所述的机械锁式差速器， 其特征是： 差速器齿轮半轴 （17) 有径向向外凸 出的与牙盘 （2) 小内花键匹配的外花键。  The mechanical lock differential according to claim 1, characterized in that: the differential gear half shaft (17) has a radially outwardly convex outer portion matching the small internal spline of the crankset (2). Spline.
6.根据权利要求 1 所述的机械锁式差速器， 其特征是： 桥壳 （19)轴向端面上的通孔 （9) 与差速器轴承座（21 )侧面的相对应的沉孔（ 10)同心且孔心连线平行于差速器齿轮半轴（ 17) 轴心线。  The mechanical lock differential according to claim 1, characterized in that: the through hole (9) on the axial end face of the axle housing (19) and the corresponding sink on the side of the differential bearing housing (21) The holes (10) are concentric and the line of the core is parallel to the axis of the differential gear (17).
7.根据权利要求 1 所述的机械锁式差速器， 其特征是： 滑轮座 （11 ) 与桥壳 （19) 为一体， 位于滑杆 （7) 固定在孔 （9) 与孔 （10) 中时的两滑杆中间位置。  The mechanical lock differential according to claim 1, characterized in that: the pulley seat (11) is integrated with the axle housing (19), and the sliding rod (7) is fixed to the hole (9) and the hole (10) The middle position of the two sliders in the middle.
PCT/CN2011/082169 2010-11-29 2011-11-14 Mechanical lock-type differential WO2012071979A1 (en)

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