阅读说明：本技术 舷外机倒档锁紧机构 (Outboard engine reverse gear locking mechanism ) 是由 夏坚 徐洪涛 李浩荡 陈志广 朱仲文 于 2021-08-27 设计创作，主要内容包括：本发明公开了一种舷外机倒档锁紧机构,包括弹簧、钢珠、倒档锁杆、倒档锁杆压板；所述弹簧、钢珠依次放入旋转支架的支架孔中；所述倒档锁杆上部通过倒档锁杆压板约束于支架孔外侧；倒档锁杆上部设有上、下分布的上孔、下孔,下端设有与连接管配合的卡口,倒档锁杆下部开有腰圆孔,腰圆孔上插有销轴。本发明采用弹簧、钢珠与倒档锁杆的上、下孔配合,当下按锁杆至钢珠卡入上孔时,锁杆下端卡住螺栓垫管,舷外机就会成锁紧状态,当上提锁杆至钢珠卡入下孔时,舷外机为非锁紧状态。本发明在倒档锁杆上加入长腰圆孔的限位结构,配合销轴可防止锁杆上下滑动的过程中脱落,并使钢珠卡入孔时不会错位。(The invention discloses an outboard engine reverse gear locking mechanism which comprises a spring, a steel ball, a reverse gear locking rod and a reverse gear locking rod pressing plate, wherein the steel ball is arranged on the outboard engine reverse gear locking rod; the spring and the steel balls are sequentially placed in a bracket hole of the rotating bracket; the upper part of the reverse gear lock rod is restrained outside the bracket hole through a reverse gear lock rod pressing plate; the upper part of the reverse gear lock rod is provided with an upper hole and a lower hole which are distributed up and down, the lower end of the reverse gear lock rod is provided with a bayonet matched with the connecting pipe, the lower part of the reverse gear lock rod is provided with a waist-shaped hole, and a pin shaft is inserted into the waist-shaped hole. The invention adopts the matching of the spring and the steel ball with the upper hole and the lower hole of the reverse gear locking rod, when the locking rod is pressed down until the steel ball is clamped into the upper hole, the lower end of the locking rod clamps the bolt cushion pipe, the outboard engine is in a locking state, and when the locking rod is lifted up until the steel ball is clamped into the lower hole, the outboard engine is in a non-locking state. The limit structure of the long waist round hole is added on the reverse gear lock rod, the lock rod can be prevented from falling off in the process of sliding up and down by matching with the pin shaft, and the steel ball cannot be dislocated when being clamped into the hole.)

1. The outboard engine comprises a rotary support (1) and a pair of clamping brackets movably connected to the rotary support (1), and the lower ends of the two clamping brackets are connected through a connecting pipe (10); it is characterized in that the preparation method is characterized in that,

the reverse gear locking mechanism comprises a spring (2), a steel ball (3), a reverse gear lock rod (4) and a reverse gear lock rod pressing plate (6);

the spring (2) and the steel ball (3) are sequentially placed in a bracket hole of the rotary bracket (1);

the upper part of the reverse gear lock rod (4) is constrained outside a bracket hole of the rotating bracket 1 through a reverse gear lock rod pressing plate (6) and can move up and down;

the upper part of the reverse gear lock rod (4) is provided with an upper hole (41) and a lower hole (42) which are distributed up and down, and the lower end of the reverse gear lock rod is provided with a bayonet (43) matched with the connecting pipe (10);

in the process that the reverse gear lock rod (4) moves up and down, the spring (2) respectively ejects part of the steel ball (3) to the upper hole (41) and the lower hole (42), and the corresponding bayonet (43) at the lower end of the reverse gear lock rod (4) respectively clamps and releases the connecting pipe (10).

2. The outboard engine reverse gear locking mechanism according to claim 1, wherein a vertical waist round hole (44) is further formed in the lower portion of the reverse gear locking rod (4), a pin shaft (9) is inserted into the waist round hole (44), and the outer end of the pin shaft (9) is fixed on the rotating bracket (1).

3. The outboard engine reverse gear locking mechanism according to claim 1, wherein both ends of the reverse gear lock bar pressing plate (6) in the horizontal direction are respectively fixed on the rotary bracket (1), and the reverse gear lock bar (4) passes through between the reverse gear lock bar pressing plate (6) and the rotary bracket (1).

4. The outboard engine reverse gear locking mechanism according to claim 3, wherein both ends of the reverse gear locking bar pressing plate (6) in the horizontal direction are respectively fixed on the rotary bracket (1) through cross recessed pan head screws (5).

5. The outboard engine reverse gear locking mechanism according to claim 2, wherein the pin shafts (9) on both sides of the waist round hole (44) are respectively sleeved with nylon gaskets (7).

6. The outboard engine reverse gear locking mechanism according to claim 5, wherein a retainer groove is provided at an inner end of the pin shaft (9), and a shaft circlip (8) is provided on the retainer groove and located outside the nylon gasket (7).

7. The outboard engine reverse locking mechanism according to claim 1, wherein an upper end of the reverse lock lever (4) is provided as an outward bent structure (45).

Technical Field

The invention relates to an outboard engine, in particular to a reverse gear locking mechanism of the outboard engine.

Background

When the outboard engine is installed and used, in order to prevent the outboard engine from accidentally falling from a ship and falling into water, a bolt is usually used to fix a clamping bracket of the outboard engine to a transom. However, when the ship is reversed, the clamping bracket tilts due to the reverse thrust when the propeller rotates reversely, and further safety accidents such as tilting of the outboard engine underwater assembly and ship turning are caused.

Disclosure of Invention

The invention aims to: in order to overcome the problems in the prior art, the invention provides an outboard engine reverse gear locking mechanism which prevents an outboard engine underwater assembly from tilting due to propeller reverse thrust when the outboard engine runs in a reverse gear mode.

The technical scheme of the invention is as follows:

the outboard engine comprises a rotating bracket and a pair of clamping brackets movably connected to the rotating bracket, and the lower ends of the two clamping brackets are connected through a connecting pipe; the reverse gear locking mechanism comprises a spring, a steel ball, a reverse gear locking rod and a reverse gear locking rod pressing plate;

the spring and the steel balls are sequentially placed in a bracket hole of the rotating bracket;

the upper part of the reverse gear lock rod is restrained outside the bracket hole of the rotating bracket through a reverse gear lock rod pressing plate and can move up and down;

the upper part of the reverse gear lock rod is provided with an upper hole and a lower hole which are distributed up and down, and the lower end of the reverse gear lock rod is provided with a bayonet matched with the connecting pipe;

in the up-and-down moving process of the reverse gear lock rod, the spring respectively ejects the steel ball part into the upper hole and the lower hole, and the bayonets at the lower end of the corresponding reverse gear lock rod respectively clamp and release the connecting pipes.

Preferably, the lower part of the reverse gear lock rod is also provided with a vertical waist round hole, a pin shaft is inserted into the waist round hole, and the outer end of the pin shaft is fixed on the rotating support.

Preferably, the two ends of the reverse gear lock rod pressing plate in the horizontal direction are respectively fixed on the rotating bracket, and the reverse gear lock rod penetrates between the reverse gear lock rod pressing plate and the rotating bracket.

Preferably, two ends of the reverse gear lock rod pressure plate in the horizontal direction are respectively fixed on the rotating support through cross-shaped groove pan head screws.

Preferably, the pin shafts on two sides of the waist circular hole are respectively sleeved with nylon gaskets.

Preferably, the inner end of the pin shaft is provided with a retainer ring groove, and the retainer ring groove is provided with an elastic retainer ring for the shaft, which is positioned on the outer side of the nylon gasket.

Preferably, the upper end of the reverse gear lock rod is provided with an outward bending structure.

The invention has the advantages that:

1. the outboard engine reverse gear locking mechanism adopts the matching of the spring and the steel ball with the upper hole and the lower hole of the reverse gear locking rod, when the locking rod is pressed down until the steel ball is clamped into the upper hole, the lower end of the locking rod clamps the bolt cushion pipe, the outboard engine is in a locking state, when the locking rod is lifted up until the steel ball is clamped into the lower hole, the outboard engine is in a non-locking state, a machine can be tilted at any time, and the outboard engine reverse gear locking mechanism is convenient for sudden events and machine maintenance during forward operation.

2. The outboard engine reverse gear locking mechanism is characterized in that a limiting structure of a long waist round hole is added on a reverse gear locking rod. The pin shaft penetrates through the lock rod waist circular hole and the rotating support, and the two nylon gaskets on the two sides of the lock rod groove eliminate gaps and have an antifriction effect, so that the lock rod can be prevented from falling off in the vertical sliding process, and the steel balls cannot be dislocated when being clamped into the holes.

Drawings

The invention is further described with reference to the following figures and examples:

FIG. 1 is a side cross-sectional view of an outboard engine reverse locking mechanism of the present invention;

fig. 2 is a front view of the outboard engine reverse gear locking mechanism of the present invention.

FIG. 3 is a front view of the reverse lock lever of the present invention;

FIG. 4 is a side cross-sectional view of the reverse lock lever of the present invention;

fig. 5 is a schematic view of the installation of the pin on the waist-round hole of the invention.

Detailed Description

As shown in fig. 1, the outboard engine comprises a rotating bracket 1 and a pair of clamping brackets movably connected to the rotating bracket 1, and the lower ends of the two clamping brackets are connected through a connecting pipe 10.

As shown in fig. 1 and 2, the outboard engine reverse locking mechanism of the invention comprises a spring 2, a steel ball 3, a reverse locking bar 4, a slotted pan head screw 5, a reverse locking bar pressing plate 6, two nylon gaskets 7, an elastic collar 8 for a shaft and a pin shaft 9. The spring 2 and the steel ball 3 are sequentially placed in a bracket hole of the rotating bracket 1; the upper part of the reverse gear lock rod 4 is constrained outside the bracket hole of the rotating bracket 1 through a reverse gear lock rod pressing plate 6 and can move up and down. And two ends of the reverse gear lock rod pressing plate 6 in the horizontal direction are respectively fixed on the rotating bracket 1 through cross-shaped groove pan head screws 5. Two ends of the reverse gear lock rod pressing plate 6 in the horizontal direction are respectively fixed on the rotating support 1, and the reverse gear lock rod 4 penetrates between the reverse gear lock rod pressing plate 6 and the rotating support 1.

As shown in fig. 3 and 4, the upper portion of the reverse lock rod 4 is provided with an upper hole 41 and a lower hole 42 which are distributed up and down, the lower portion of the reverse lock rod 4 is provided with a vertical waist-round hole 44, the lower end of the reverse lock rod is provided with a bayonet 43 which is matched with the connecting pipe 10, and the upper end of the reverse lock rod is provided with an outward bending structure 45.

In the process that the reverse gear lock rod 4 moves up and down, the spring 2 respectively ejects part of the steel balls 3 into the upper hole 41 and the lower hole 42, and the corresponding bayonet 43 at the lower end of the reverse gear lock rod 4 respectively clamps and releases the connecting pipe 10.

Specifically, when the reverse gear locking rod 4 is pressed down to the steel ball 3 and is clamped into the upper hole 41, the bayonet 43 at the lower end of the reverse gear locking rod 4 is inserted into the connecting pipe 10, so that the clamping bracket of the rotating bracket 1 cannot be tilted, and the outboard engine is in a locking state; when the reverse gear lock rod 4 is lifted up until the steel ball 3 is partially clamped into the lower hole 42, the outboard engine is in a non-locking state, and the outboard engine can be tilted at any time, so that the outboard engine is convenient for emergencies and machine maintenance during forward operation.

In addition, a limit structure of a long waist-shaped round hole 44 is added on the reverse gear lock rod 4, as shown in fig. 5, a pin shaft 9 is inserted into the waist-shaped round hole 44, and the outer end of the pin shaft 9 is fixed on the rotating bracket 1. The pin shafts 9 on two sides of the waist circular hole 44 are respectively sleeved with nylon gaskets 7. The inner end of the pin shaft 9 is provided with a retainer ring groove, the retainer ring groove is provided with an elastic retainer ring 8 for the shaft, the elastic retainer ring is positioned outside the nylon gaskets 7, the two nylon gaskets 7 eliminate gaps and play a role in friction reduction, and the waist-round hole is designed to prevent the reverse gear lock rod 4 from falling off in the process of sliding up and down and prevent the steel balls 3 from being dislocated when being clamped into the hole.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All modifications made according to the spirit of the main technical scheme of the invention are covered in the protection scope of the invention.