CN1306155C - Built-in self-locking type reverse gear device for motorcycle - Google Patents
Built-in self-locking type reverse gear device for motorcycle Download PDFInfo
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- CN1306155C CN1306155C CNB031533809A CN03153380A CN1306155C CN 1306155 C CN1306155 C CN 1306155C CN B031533809 A CNB031533809 A CN B031533809A CN 03153380 A CN03153380 A CN 03153380A CN 1306155 C CN1306155 C CN 1306155C
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Abstract
The present invention relates to a built-in reverse gear device in a self-locking type, which is used for a motorcycle and comprises a main shaft, an auxiliary shaft, a speed changing drum, a shift fork, an engaging sleeve, a drive wheel of a reverse gear, a driven wheel of the reverse gear, an idle wheel of the reverse gear, an elastic member, a limiting ratchet pawl, a positioning member and a limiting device, wherein the elastic member and the limiting ratchet pawl are sheathed on the auxiliary shaft and are pressed against a shaft shoulder or the end surface of a gear by an axial positioning member, and a reverse gear limiting device is arranged on the external circle of the speed changing drum. The device has the characteristics that the reverse gear device is automatically locked without manual operation under the premise that the normal work of the motorcycle is not influenced when the motorcycle runs forwards. The device has the advantages of simple structure, low manufacture cost, reliability and durability, and completely overcomes the problem in the prior art that the leakage of the engine oil of an engine happens because a drag rope passing through a hole causes a poor sealing effect.
Description
Technical field
The present invention relates to a kind of motorcycle engine speed change gear, the built-in self-locking gear reversing device of particularly a kind of motorcycle.
Background technique
(comprise three-wheel or four-wheel motor cycle) on the motorcycle gear reversing device is set, help improving the operability and the Security of motorcycle.The motorcycle gear reversing device generally has two kinds of structural types, i.e. external and built-in.So-called external is exactly that reverse gear mechanism is arranged on the engine housing periphery; So-called built-in, be exactly that reverse gear mechanism is arranged on engine housing inside, still, no matter built-in or external, gear reversing device all must be provided with locking mechanism, promptly, when motorcycle during at forward gear, gear reversing device should be by locked, and motorcycle just can not jump to reverse gear by forward gear like this.If, the reverse gear safe locking device is not set, so, just might serious equipment, personal safety accident take place because of misoperation. such as, when motorcycle moves ahead, change to reverse gear because of misoperation, motor is violently shaken and damages.In order to prevent this class security incident, in the prior art, generally adopt a kind of manually operated type reverse gear locking safety device.This locking framework is realized by manual drag-line and resilient member.When motorcycle moved ahead, under the effect of resilient member, gear reversing device was locked.When changing the reverse gear position, by manual drag-line (or other leverages) the reverse gear limit stoper is opened earlier, just can change to reverse gear position then, this device can be avoided the generation of security incident effectively.But, also there are many deficiencys in this manual lock fixed pattern gear reversing device, subject matter is mechanism's complexity, operation inconvenience, reliability is not so good, in addition, manual drag-line via hole must be set on the crankcase, manually the sealing of drag-line via hole is relatively more difficult, thereby, can cause the engine crankcase inner engine oil to leak.
Summary of the invention
The purpose of this invention is to provide the built-in self-locking gear reversing device of a kind of motorcycle, to overcome the deficiencies in the prior art.Make the motorcycle gear reversing device simple in structure, easy to operate, safe and reliable, and can avoid causing the machine oil phenomenon that leaks because of manual drag-line via hole.
The built-in self-locking gear reversing device of a kind of motorcycle, comprise main shaft, countershaft, speed-changing drum, shift fork, the engagement cover, the reverse gear driving wheel, the reverse gear follower, reverse idler gear, the reverse gear driving wheel is sleeved on the main shaft, the engagement cover also is sleeved on the main shaft by spline, can endwisely slip, be processed with cylindrical cam groove on the speed-changing drum, pusher section on the shift fork is installed in this cam path, the claw of shift fork partly is stuck in engagement and puts, reverse gear is driven to be fixed on the countershaft, reverse idler gear is installed on the casing by idler shaft, described gear reversing device also comprises resilient member, spacing ratchet, align member, limit stoper, resilient member, spacing ratchet is sleeved on the countershaft, and both are pressed against on the end face of the shaft shoulder or gear by the axially locating member, the speed-changing drum cylindrical is provided with the limit stoper that reverses gear, and this reverse gear limit stoper is between reverse gear and neutral position.
Described spacing ratchet can be laminar body that are processed with circular hole and claw type arm.
Described resilient member can be a kind of belleville spring.
Described axially locating member can be a kind of circlip or a kind of round nut.
Described limit stoper can be a kind of groove or a kind of boss.
Described speed-changing drum is reciprocal rotating manner shift, and promptly its order is: reverse gear, neutral, one grade, second gear, third gear, third gear, second gear, one grade, neutral gear, reverse gear.
Working procedure of the present invention is achieved in that when the needs motorcycle advances, driver operation speed change lever rotates speed-changing drum, in the effect of shift fork, speed-changing drum is converted to endwisely slipping of engagement cover, at this moment, the engagement cover slides in the colored groove of the driving wheel that advances, forward gears is mediated (at this moment, the reverse gear driving wheel can only dally at main shaft, and can not transferring power), countershaft is rotated in the forward, and motorcycle moves forward.Because the elastic force effect of resilient member, when countershaft rotates, apply a friction torque will for spacing ratchet, spacing ratchet is rotated with countershaft, after turning over several angle, spacing ratchet will be run on the cylindrical of speed-changing drum and since speed-changing drum stop that spacing ratchet no longer rotates with countershaft, because driving torque is greater than friction torque, therefore, produce between countershaft and the spacing ratchet and slide, friction torque exists, spacing ratchet is pressed on the periphery of speed-changing drum, and at this moment, if misoperation, when the side of reversing gear rotates speed-changing drum, speed-changing drum and spacing ratchet are made slide relative, because the speed-changing drum cylindrical is provided with the limit stoper that reverses gear, when speed-changing drum soon forwarded reverse gear position to, limit stoper will stop speed-changing drum to be rotated further.Thereby, ensured the safety that motorcycle moves forward.
When the needs motorcycle retreats, driver separates clutch earlier, countershaft is stopped operating, like this, spacing ratchet has just disappeared to the speed-changing drum depended on pressure, subsequently, the operation speed change lever makes the speed-changing drum backward rotation, engagement is overlapped in the colored groove that slides to the reverse gear driving wheel, is made fixedly interlink of reverse gear driving wheel and main shaft, and the reverse gear driving wheel will drive the countershaft counterrotating by reverse idler gear, and motorcycle is moved backward.
The present invention compared with prior art has following characteristics: 1, when motorcycle moves ahead, makes full use of rub sassafras, dynamics, mechanism principle, or else influences under the prerequisite that motorcycle usually moves, realized the automatic locking of reverse gear apparatus, and need not manual operation; 2, whole device has only used several slight members, mustn't do big modification to existing main parts in addition, simultaneously, also saved manual drag-line, so structure is quite simple, manufacturing expense is low, and, reliability and durability, 3, the third-largest advantage is, it is bad to overcome in the prior art Yin Lasuo via seal fully, the problem and the engine motor oil that causes leaks.
Description of drawings
Fig. 1 is a plan view;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is the sketch of Fig. 2.
Among the figure:
1-main shaft, 2-countershaft, 3-speed-changing drum, 4-shift fork, 5-engagement cover, 6-reverse gear driving wheel, 7-reverse gear follower, 8-reverse idler gear, 9-resilient member, the spacing ratchet of 10-, 11-align member, 12-limit stoper.Engagement cover 5, reverse gear driving wheel 6 are sleeved on the main shaft 1, engagement cover 5 can endwisely slip, reverse gear driving wheel 7 is fixedly on the countershaft 2, reverse idler gear 8 by idler shaft be installed on the casing body, resilient member 9, spacing ratchet 10 be sleeved on the countershaft 2, and by axially locating member 11 both be pressed against on the end face of the shaft shoulder or gear.Speed-changing drum 3 cylindricals are provided with limit stoper 12.
Embodiment
Arrive shown in Figure 3 as Fig. 1, the built-in self-locking gear reversing device of motorcycle, comprise the 1-main shaft, the 2-countershaft, the 3-speed-changing drum, the 4-shift fork, 5-meshes cover, 6-reverse gear driving wheel, 7-reverse gear follower, the 8-reverse idler gear, reverse gear driving wheel 6 is sleeved on the main shaft 1, engagement cover 5 also is sleeved on the main shaft 1 by spline, also can endwisely slip, be processed with cylindrical cam groove on the speed-changing drum 3, pusher section on the shift fork 4 is installed in this cam path, the claw of shift fork 4 partly is stuck in engagement and puts, reverse gear follower 7 is fixed on the countershaft 2, reverse idler gear 8 is installed on the casing by idler shaft, described gear reversing device also comprises resilient member 9, spacing ratchet 10, align member 11, limit stoper 12, resilient member 9, spacing ratchet 10 is sleeved on the countershaft 2, and both are pressed against on the end face of the shaft shoulder or gear by axial direction positioning device 11, speed-changing drum 3 cylindricals are provided with the limit stoper 12 that reverses gear, and described resilient member 9 is a kind of belleville springs; Described axial direction positioning device 11 is a kind of circlip or a kind of round nut, described limit stoper 12 is a kind of grooves, or described limit stoper 12 is a kind of boss, described speed-changing drum 3 is reciprocal rotating manner shift, be reverse gear, neutral, one grade, second gear, third gear, third gear, second gear, one grade, neutral gear, reverse gear.
Claims (8)
1, the built-in self-locking gear reversing device of a kind of motorcycle, comprise main shaft, countershaft, speed-changing drum, shift fork, engagement cover, reverse gear driving wheel, driven, the reverse idler gear of reverse gear, it is characterized in that on countershaft, being set with resilient member and spacing ratchet, resilient member, spacing ratchet are pressed on the shaft shoulder or the gear face by the axially locating member, speed-changing drum cylindrical place is provided with limit stoper, and described extreme position device is between reverse gear and neutral gear.
2, require the built-in self-locking gear reversing device of 1 described motorcycle according to profit, it is characterized in that described spacing ratchet is laminar body that are processed with circular hole and claw type arm.
3, the built-in self-locking gear reversing device of motorcycle according to claim 1 is characterized in that described speed-changing drum is reciprocal rotating manner shift, and its gear order is reverse gear, neutral, one grade, second gear, third gear, third gear, second gear, one grade, neutral gear, reverse gear.
4, the built-in self-locking gear reversing device of root motorcycle according to claim 1 is characterized in that described resilient member is a kind of belleville spring.
5, the built-in self-locking gear reversing device of root motorcycle according to claim 1 is characterized in that described limit stoper is a groove.
6, root according to claim 1 state the built-in self-locking gear reversing device of motorcycle, it is characterized in that described limit stoper is a boss.
7, the built-in self-locking gear reversing device of root motorcycle according to claim 1 is characterized in that described axially locating member is a kind of circlip.
8, the built-in self-locking gear reversing device of root motorcycle according to claim 1 is characterized in that described axially locating member is a kind of round nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031533809A CN1306155C (en) | 2003-08-12 | 2003-08-12 | Built-in self-locking type reverse gear device for motorcycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031533809A CN1306155C (en) | 2003-08-12 | 2003-08-12 | Built-in self-locking type reverse gear device for motorcycle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1483926A CN1483926A (en) | 2004-03-24 |
| CN1306155C true CN1306155C (en) | 2007-03-21 |
Family
ID=34156681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031533809A Expired - Fee Related CN1306155C (en) | 2003-08-12 | 2003-08-12 | Built-in self-locking type reverse gear device for motorcycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1306155C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100368710C (en) * | 2004-09-10 | 2008-02-13 | 重庆力帆实业（集团）有限公司 | Reversing gear looking mechanism of engine for motorcycle |
| CN101245854B (en) * | 2008-02-14 | 2010-06-23 | 重庆隆鑫机车有限公司 | Embedded vehicle-parking locking device of motor vehicle |
| CN107933787A (en) * | 2017-12-20 | 2018-04-20 | 重庆宗隆动力有限公司 | Engine and motorcycle |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4093264A (en) * | 1975-08-15 | 1978-06-06 | Honda Giken Kogyo Kabushiki Kaisha | Speed changing position regulating device for autobicycles |
| CN2065702U (en) * | 1989-11-27 | 1990-11-14 | 济南轻骑摩托车总厂发动机厂 | Gear shift mechanism for motorcycle engine |
| CN2361905Y (en) * | 1998-07-22 | 2000-02-02 | 董秀斌 | Reversing apparatus |
| CN2384030Y (en) * | 1999-09-23 | 2000-06-21 | 重庆华伟工业（集团）有限责任公司 | Motorcycle gasoline engine with automatic gear changing mechanism |
| CN2481559Y (en) * | 2001-05-15 | 2002-03-13 | 重庆力帆轰达实业(集团)有限公司 | Engine gearshift for motorcycle |
| CN2481560Y (en) * | 2001-06-08 | 2002-03-13 | 重庆力帆轰达实业(集团)有限公司 | Reverse gear engine position limit device |
| CN2547884Y (en) * | 2002-05-23 | 2003-04-30 | 重庆力帆实业（集团）有限公司 | Engine reverse gear apparatus |
| CN2641375Y (en) * | 2003-07-02 | 2004-09-15 | 重庆隆鑫工业（集团）有限公司 | Self-locking type reverse gear device for motorcycle engine |
-
2003
- 2003-08-12 CN CNB031533809A patent/CN1306155C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4093264A (en) * | 1975-08-15 | 1978-06-06 | Honda Giken Kogyo Kabushiki Kaisha | Speed changing position regulating device for autobicycles |
| CN2065702U (en) * | 1989-11-27 | 1990-11-14 | 济南轻骑摩托车总厂发动机厂 | Gear shift mechanism for motorcycle engine |
| CN2361905Y (en) * | 1998-07-22 | 2000-02-02 | 董秀斌 | Reversing apparatus |
| CN2384030Y (en) * | 1999-09-23 | 2000-06-21 | 重庆华伟工业（集团）有限责任公司 | Motorcycle gasoline engine with automatic gear changing mechanism |
| CN2481559Y (en) * | 2001-05-15 | 2002-03-13 | 重庆力帆轰达实业(集团)有限公司 | Engine gearshift for motorcycle |
| CN2481560Y (en) * | 2001-06-08 | 2002-03-13 | 重庆力帆轰达实业(集团)有限公司 | Reverse gear engine position limit device |
| CN2547884Y (en) * | 2002-05-23 | 2003-04-30 | 重庆力帆实业（集团）有限公司 | Engine reverse gear apparatus |
| CN2641375Y (en) * | 2003-07-02 | 2004-09-15 | 重庆隆鑫工业（集团）有限公司 | Self-locking type reverse gear device for motorcycle engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1483926A (en) | 2004-03-24 |
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