CN203477285U - Gear shifting system of outboard engine - Google Patents
Gear shifting system of outboard engine Download PDFInfo
- Publication number
- CN203477285U CN203477285U CN201320398769.4U CN201320398769U CN203477285U CN 203477285 U CN203477285 U CN 203477285U CN 201320398769 U CN201320398769 U CN 201320398769U CN 203477285 U CN203477285 U CN 203477285U
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- gear
- cam
- shifting
- clutch
- gearshift
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Abstract
The utility model discloses a gear shifting system of an outboard engine. The gear shifting system comprises a drive main shaft, a drive gear, a clutch and a gear shifting rod, wherein the drive main shaft and the drive gear are fixedly connected with each other; the drive gear is always meshed with a forward rotating gear and a reverse rotating gear; the clutch is selectively fixedly connected with the forward rotating gear or the reverse rotating gear; the gear shifting rod is arranged in parallel with the drive main shaft; a gear shifting cam is fixedly arranged on the bottom end of the gear shifting rod; when the gear shifting cam rotates, the cam surface of the gear shifting cam drives a cam sliding block to axially move and drives a clutch connecting rod and the clutch axially move. The gear shifting system has the outstanding effects that 1, a signal can be generated at a neutral gear position, and the neutral gear starting is ensured; 2, the gears are shifted more smoothly, and the requirement on the gear shifting force is small; 3, the structure is simple, the mounting is convenient, and the transmission efficiency is improved.
Description
Technical field
The utility model relates to outboard motor for ship technical field, relates in particular to a kind of shifting system.
Background technique
In boats and ships main propelling machinery, from motor to propeller cavitation between except drive line, also can be equipped with other various transmission device, for example shifting systems.The normal direction of engine of boat and ship is rotated, and is positive car; The counter-rotation of engine of boat and ship, is named reversing.Shifting system is realized propeller cavitation and is switched between positive car and reversing.
The shifting system of prior art generally comprises the propeller cavitation of positive car, reverse-gear group and two ends symmetrical arrangement, as disclosed in Chinese patent CN202848009U.But such shifting system complex structure, part is various, and extremely inconvenience is installed also, and after driving parts increases, transmission efficiency also can reduce.Also have in addition an insoluble problem of industry, gear shift operation is not steady, and user feels under the weather.
Model utility content
In view of the defect that above-mentioned prior art exists, the purpose of this utility model is the shifting system that proposes a kind of outboard motor simple in structure, and gearshift is level and smooth, and gear shifting force requires little.
The purpose of this utility model will be achieved by the following technical programs:
A shifting system for outboard motor, comprises the drive main spindle and the actuation gear that are mutually permanently connected, and described actuation gear is arranged at the bottom of described drive main spindle; Described actuation gear meshes with a positive skiving wheel and a reverse-gear all the time;
One clutch is arranged between described positive skiving wheel and reverse-gear, can relatively described positive skiving wheel and reverse-gear move axially, and selectively take turns with described positive skiving or reverse-gear affixed;
Described clutch is socketed and is fixed on a clutch linkage, one end of described clutch linkage is fixedly connected with a cam slide, the other end stretches in a screw shaft, described clutch linkage and screw shaft are only circumferentially fixed and axially can be relatively moved, and are fixed with propeller cavitation on described screw shaft;
One gear level and described drive main spindle be arranged in parallel, and the top of described gear level is provided with gearshift driving mechanism, and the bottom of described gear level is fixedly installed a shifting cam; Described gearshift driving mechanism drives described gear level to rotate, and then drives described shifting cam to rotate;
In described cam slide, be provided with a convex wheel face, the camming surface of described shifting cam and described convex wheel face butt, when described shifting cam rotates, the camming surface of described shifting cam drives described cam slide to move axially, and drives moving axially of clutch linkage and clutch.
Preferably, described gear level is formed by connecting by shaft coupling by upper gear level and lower gear level, and described shifting cam is arranged on lower gear level away from one end of shaft coupling.
Preferably, described positive skiving wheel and reverse-gear are bevel gear.
Preferably, described gearshift driving mechanism comprises gearshift support, is slidably disposed on the shift carriage on described gearshift support, and the gearshift connecting rod that drives rotation that moves axially by described shift carriage, connects described upper gear level on described gearshift connecting rod.
Preferably, described gearshift support is provided with neutral gear sensor.
Preferably, the curvilinear equation of the profile line of the camming surface of described shifting cam is under polar coordinates
.
Outstanding effect of the present utility model is: 1. can directly at neutral gear position, produce signal, guarantee neutral startup; 2. the particular design of the camming surface of shifting cam, makes gearshift more level and smooth, and gear shifting force requires less; 3. simple in structure, easy for installation, and transmission efficiency improves.
Below just accompanying drawing in conjunction with the embodiments, is described in further detail embodiment of the present utility model, so that technical solutions of the utility model are easier to understand, grasp.
Accompanying drawing explanation
Fig. 1 is the plan view of the utility model preferred embodiment, and along A-A broken section in Fig. 2.
Fig. 2 is the plan view of the utility model preferred embodiment.
Fig. 3 is the partial sectional view along B-B in Fig. 1.
Fig. 4 is the screw shaft of the utility model preferred embodiment and the structural representation of clutch.
Fig. 5 is the structural representation of the shifting cam of the utility model preferred embodiment.
Wherein: 1. shift carriage; 2. neutral gear sensor; Gearshift support; Gearshift connecting rod; 5. go up gear level; 6. drive main spindle; 7. descend gear level; 8. actuation gear; 9. shifting cam; 10. cam slide; 11. clutch linkages; 12. positive skiving wheels; 13. clutches; 14. reverse-gears; 15. propeller cavitations; 16. screw shafts.
Embodiment
As shown in Figures 1 to 4, the utility model has disclosed a kind of shifting system of outboard motor, comprises the drive main spindle 6 and the actuation gear 8 that are mutually permanently connected, and described actuation gear 8 is arranged at the bottom of described drive main spindle 6; Described actuation gear 8 all the time with positive skiving wheel 12 and one reverse-gear 14 engagements, described in be that actuation gear 8 drives positive skiving wheel 12 and reverse-gear 14 to rotate all the time.
One clutch 13 is arranged between described positive skiving wheel 12 and reverse-gear 14, can relatively described positive skiving wheel 12 and reverse-gear 14 move axially, and selectively affixed with described positive skiving wheel 12 or reverse-gear 14.Described positive skiving wheel 12 and reverse-gear 14 are bevel gear.When described clutch 13 and positive skiving, take turns 12 when affixed, the rotational of described positive skiving wheel 12 drives the rotation of described clutch 13, and vice versa.
Described clutch 13 is socketed and is fixed on a clutch linkage 11, one end of described clutch linkage 11 is fixedly connected with a cam slide 10, the other end stretches in a screw shaft 16, described clutch linkage 11 is only circumferentially fixed with screw shaft 16 and axially can be relatively moved, and on described screw shaft 16, is fixed with propeller cavitation 15.
One gear level and described drive main spindle 6 be arranged in parallel, and the top of described gear level is provided with gearshift driving mechanism.Described gearshift driving mechanism comprises gearshift support 3, is slidably disposed on the shift carriage 1 on described gearshift support 3, and the gearshift connecting rod 4 that drives rotation that moves axially by described shift carriage 1, connects described upper gear level 5 on described gearshift connecting rod 4.Described gearshift support 3 is provided with neutral gear sensor 2.Described gearshift has concrete announcement in the Chinese patent CN202082379U of the applicant's application, in the utility model, repeats no more.
Described gear level is formed by connecting by shaft coupling by upper gear level 5 and lower gear level 7, and a shifting cam 9 is arranged on lower gear level 7 away from one end of shaft coupling.Described gearshift driving mechanism drives described gear level to rotate, and then drives described shifting cam 9 to rotate.
In described cam slide 10, be provided with a convex wheel face, the camming surface of described shifting cam 9 and described convex wheel face butt, when described shifting cam 9 rotates, the camming surface of described shifting cam 9 drives described cam slide 10 to move axially, and drives moving axially of clutch linkage 11 and clutch 13.When described clutch 13 moves axially to positive skiving, take turns 12 when affixed, the rotational of described positive skiving wheel 12 drives the rotation of described clutch 13, after clutch 13 rotates, can drive screw shaft 16 to rotate, and then drives described propeller cavitation 15 to rotate.
Further, in the utility model preferred embodiment, the base circle diameter (BCD) of shifting cam 9 is chosen for 14.224.Stationarity in order to guarantee to shift gears, along with the increase of angle, polar radius also at the uniform velocity increases, and its curvilinear equation is under polar coordinates
.Its cartesian coordinate value and polar relation are as follows:
;
.
Therefore because the special of profile of shifting cam 9 chosen, make gearshift of the present utility model more steady, gear shifting force also requires less.
The utility model still has numerous embodiments, and all employing equivalents or equivalent transformation and all technological schemes of forming, within all dropping on protection domain of the present utility model.
Claims (6)
1. a shifting system for outboard motor, is characterized in that:
Comprise the drive main spindle (6) and the actuation gear (8) that are mutually permanently connected, described actuation gear (8) is arranged at the bottom of described drive main spindle (6); Described actuation gear (8) meshes with a positive skiving wheel (12) and a reverse-gear (14) all the time;
One clutch (13) is arranged between described positive skiving wheel (12) and reverse-gear (14), can be relatively described positive skiving wheel (12) and reverse-gear (14) move axially, and selectively take turns (12) with described positive skiving or reverse-gear (14) affixed;
Described clutch (13) is socketed and is fixed on a clutch linkage (11), one end of described clutch linkage (11) is fixedly connected with a cam slide (10), the other end stretches in a screw shaft (16), described clutch linkage (11) is only circumferentially fixed with screw shaft (16) and axially can be relatively moved, and is fixed with propeller cavitation (15) on described screw shaft (16);
One gear level and described drive main spindle (6) be arranged in parallel, and the top of described gear level is provided with gearshift driving mechanism, and the bottom of described gear level is fixedly installed a shifting cam (9); Described gearshift driving mechanism drives described gear level to rotate, and then drives described shifting cam (9) to rotate;
In described cam slide (10), be provided with a convex wheel face, the camming surface of described shifting cam (9) and described convex wheel face butt, when described shifting cam (9) rotates, the camming surface of described shifting cam (9) drives described cam slide (10) to move axially, and drives moving axially of clutch linkage (11) and clutch (13).
2. the shifting system of outboard motor according to claim 1, it is characterized in that: described gear level is formed by connecting by shaft coupling by upper gear level (5) and lower gear level (7), described shifting cam (9) is arranged on lower gear level (7) away from one end of shaft coupling.
3. the shifting system of outboard motor according to claim 2, is characterized in that: described positive skiving wheel (12) and reverse-gear (14) are bevel gear.
4. the shifting system of outboard motor according to claim 3, it is characterized in that: described gearshift driving mechanism comprises gearshift support (3), be slidably disposed on the shift carriage (1) on described gearshift support (3), by the gearshift connecting rod (4) that drives rotation that moves axially of described shift carriage (1), the upper described upper gear level (5) that connects of described gearshift connecting rod (4).
5. the shifting system of outboard motor according to claim 4, is characterized in that: described gearshift support (3) is provided with neutral gear sensor (2).
6. the shifting system of outboard motor according to claim 1, is characterized in that: the curvilinear equation of the profile line of the camming surface of described shifting cam (9) is under polar coordinates
.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320398769.4U CN203477285U (en) | 2013-07-05 | 2013-07-05 | Gear shifting system of outboard engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320398769.4U CN203477285U (en) | 2013-07-05 | 2013-07-05 | Gear shifting system of outboard engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203477285U true CN203477285U (en) | 2014-03-12 |
Family
ID=50225618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320398769.4U Expired - Fee Related CN203477285U (en) | 2013-07-05 | 2013-07-05 | Gear shifting system of outboard engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203477285U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363087A (en) * | 2013-07-05 | 2013-10-23 | 水星海事技术(苏州)有限公司 | Gear shifting system of outboard engine |
| CN106467162A (en) * | 2015-08-19 | 2017-03-01 | 浙江派尼尔科技股份有限公司 | A kind of power drive mechanism of shipboard |
-
2013
- 2013-07-05 CN CN201320398769.4U patent/CN203477285U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363087A (en) * | 2013-07-05 | 2013-10-23 | 水星海事技术(苏州)有限公司 | Gear shifting system of outboard engine |
| CN103363087B (en) * | 2013-07-05 | 2016-06-29 | 水星海事技术(苏州)有限公司 | The gear change system of outboard motor |
| CN106467162A (en) * | 2015-08-19 | 2017-03-01 | 浙江派尼尔科技股份有限公司 | A kind of power drive mechanism of shipboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20180705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |