CN107628215B - Outboard engine starting device - Google Patents
Outboard engine starting device Download PDFInfo
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- CN107628215B CN107628215B CN201710893089.2A CN201710893089A CN107628215B CN 107628215 B CN107628215 B CN 107628215B CN 201710893089 A CN201710893089 A CN 201710893089A CN 107628215 B CN107628215 B CN 107628215B
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- starting
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- starting wheel
- driving arm
- return spring
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- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 239000007858 starting material Substances 0.000 description 7
- 230000000903 blocking effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004064 dysfunction Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
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- 208000027418 Wounds and injury Diseases 0.000 description 1
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Abstract
The invention discloses an outboard engine starting device, which comprises a starting cover, a starting wheel which is centered in the starting cover and is provided with a volute spring between the starting wheel and the starting cover, and is characterized in that a starting handle is arranged on the starting cover and is connected with the starting wheel through a starting rope; the central shaft of the starting wheel is provided with a starting wheel bushing, a return spring is clamped on the starting wheel bushing, and the return spring is connected with a driving arm positioned on a spoke of the starting wheel. Even if the driving arm and the flywheel are collided with each other, the operation cannot be caused, and the normal operation of the whole device is not influenced; the elastic body is guaranteed to be in perfect contact with the starting wheel bushing, the phenomenon that the starting wheel is pulled in the air is avoided, the installation accuracy of the starting wheel and the driving arm is guaranteed, the return spring is prevented from stretching and deforming to cause functional disorder, and meanwhile, the return spring is prevented from rusting and clamping after being used for a long time.
Description
Technical Field
The invention relates to the technology of an outboard engine of a ship engine, in particular to an outboard engine starting device.
Background
The disclosed outboard engine starter structure is basically of the following structures: the utility model provides a patent publication number is CN 106143855A, an outboard engine starter, including casing and starting disc, the protruding center pin that forms in middle part of casing, the starting disc cover is established on the center pin and can be rotatory along the center pin, the starting disc adopts plastic materials to make, still include positioning disk and holding ring, the positioning disk adopts metal materials to make with the holding ring, the one end at the center pin is fixed to the positioning disk, the holding ring cover is established on the center pin and the holding ring sets up between positioning disk and starting disc, the quotation of starting disc is protruding to form the limiting plate, the spacing hole that is the bar has on the limiting plate, the locating lever of outside extension has on the holding ring, the locating lever passes spacing hole. The structure aims to solve the problem that friction between the starting disc and the positioning disc is large when the starting disc rotates. As another example, an outboard engine starter with a brake disclosed in CN102795326a, comprises a starter housing, a starting handle, a starting wheel, a brake cable assembly, a brake spring, and a brake joint; the brake connector is arranged at one end of the brake cable assembly; the brake spring is arranged between the brake connector and the brake cable assembly; the starting wheel is arranged in the starter shell; the starting handle is arranged on the starter shell, and the starting wheel can be rotated by pulling the starting handle; the starting wheel is provided with a groove; when the brake is in a neutral state, the brake connector is in a tensile state, the brake spring is in a compression state, the brake connector cannot clamp the starting wheel, and the starting wheel can be normally rotated by pulling the starting handle; when the outboard engine is in reverse gear or forward gear, the brake connector is clamped in the groove of the starting wheel due to the fact that the brake connector is in a natural state, the starting wheel cannot be rotated by pulling the starting handle, and therefore the outboard engine can be started only when the outboard engine is in neutral gear.
Because the manual starting type machine structure of the outboard engine is more exquisite, the cost performance is more affordable than that of the electric starting type machine structure and is favored by the market. However, in the prior art, in the actual operation process, the driving arm is often not popped up, so that the cover is started to be pulled empty; or the driving arm cannot automatically rebound, the engine collides with the driving arm when running at high speed, abnormal sound of the machine and damage to the driving arm are caused when the engine is light, the driving arm falls off when the engine is heavy, and under the drive of high-speed rotation of the engine, if the starting cover is broken, serious personal injury can be caused to an operator.
Disclosure of Invention
The invention aims to solve the problems that a reset piece or a driving arm body is rationally designed, so that the driving arm cannot pop out of a starting cover to be pulled or collide with the driving arm during high-speed operation and the like in the manual starting type outboard engine starter in the existing product.
The technical problems of the invention are mainly solved by the following technical proposal: the starting device of the outboard engine comprises a starting cover, a starting wheel which is centered in the starting cover and provided with a volute spring between the starting wheel and the starting cover, and is characterized in that a starting handle is arranged on the starting cover and is connected with the starting wheel through a starting rope; the central shaft of the starting wheel is provided with a starting wheel bushing, a return spring is clamped on the starting wheel bushing, and the return spring is connected with a driving arm positioned on a spoke of the starting wheel.
The manual starting machine for the outboard engine consists of a structure that a starting cover drives a machine flywheel, and a driving arm part on the starting cover is used for pulling out a starting rope in the starting cover and simultaneously automatically popping out to clamp a clamping groove on the engine flywheel so as to drive the flywheel to rotate to start the engine. The technical scheme aims at the problems of the principle and the prior art, and designs a driving arm, a return spring, a starting wheel bushing and other component parts with self characteristics. The driving arm is made of (PA 6+15 GF), so that the driving arm has high part hardness and good toughness, and cannot be broken even if striking against a flywheel. The return spring is made of SUS304 and other materials, so that the phenomenon of rusting, blocking and dead locking cannot occur in long-term use, and the surface of the return spring is reinforced, so that the elasticity of the spring is guaranteed.
Preferably, the return spring has two sharp edges and forms a U-shaped bayonet by a flange which cooperates with a spring socket on the actuator bushing.
Preferably, the angle of the two sharp edges of the return spring is 35 degrees plus or minus 1.0 degrees.
Preferably, two edges of the return spring with acute angles extend outwards to form one or a plurality of elastic rings respectively.
Preferably, the elastic ring extends towards the opening direction of the U-shaped bayonet to form a drag hook joint.
Preferably, two ends of the return spring are connected to the driving arm through spring hooks respectively, and the driving arm is sleeved on a positioning shaft on the spoke of the starting wheel.
Preferably, the driving arm is of a strip double-wing structure, draw hook fixing holes are respectively formed in the double wings, a mounting hole matched with the starting wheel is formed in the center of the driving arm, and a limit arc groove is formed in one wing edge of the double wings.
Preferably, the drag hook fixing hole is connected with one end of the spring drag hook; the limiting arc groove is matched with a limiting pin arranged on the spoke of the starting wheel.
Preferably, the driving arm is of a strip double-wing structure formed by pressing (PA 6+15GF) materials, a mounting hole matched with the starting wheel is formed in the center of the driving arm, and a wear-resistant lining tube is arranged in the mounting hole.
Preferably, the central hole of the starting wheel and the center of the volute spring are positioned on a central positioning shaft arranged on the starting cover, the starting wheel bushing is used for centering, and all the components are connected into a whole through a bolt locking combination.
Because in the motion friction process of the return spring and the starting wheel bushing, the matching of the bending angle of the return spring and the size of the clamping groove of the starting wheel bushing is a very critical technical element. If the bending angle is bigger, the starting wheel cannot be perfectly contacted with the starting wheel bushing, and when the starting wheel rotates, the return spring cannot be driven, so that the driving arm cannot be ejected, the starting wheel is in blank pulling, and the engine cannot be started normally. If the bending angle of the return spring is smaller, the return spring is in contact with the starting wheel bushing too tightly, so that the starting wheel is blocked in the rotating process. If the size of the return spring is smaller, the return spring is not installed in place, deviation is generated between the installation size of the return spring and the installation size of the driving arm, and if the return spring is forcibly installed, the return spring is stretched and deformed, so that dysfunction is caused. According to theoretical and practical verification, the clamping bending angle of the return spring and the starting wheel bushing is determined to be a value within a positive and negative one-degree deviation value range.
Furthermore, the dimensional tolerance of the extending height of the positioning shaft at the position where the driving arm is installed on the starting wheel (assembly) must be controlled within the design range, if the size is smaller, the driving arm is blocked and cannot extend normally, the phenomenon of idle pulling occurs or the extending size cannot meet the requirement, and the driving arm is damaged. If the size is bigger, the driving arm can jump, and the driving arm can be damaged in the using process.
The beneficial effects of the invention are as follows: the design of the driving arm with high hardness and good toughness can not cause operation to influence the normal work of the whole device even if the driving arm collides with the flywheel occasionally; the reasonable structural angle, composition function and other designs of the return spring ensure that the elastic body is perfectly contacted with the starting wheel bushing, so that the phenomenon of idle pulling of the starting wheel is avoided, the mounting precision of the starting wheel and the driving arm is ensured, the tensile deformation of the return spring is prevented, the dysfunction is avoided, and meanwhile, the return spring is free from rusting and blocking after long-term use; the scheme also designs the matching part of the starting wheel and the driving arm, and solves the problems that the driving arm is blocked and cannot normally stretch out, the stretching and stretching scale cannot meet the requirements, the driving arm is jumped and the like caused by the point position.
Drawings
Fig. 1 is a schematic view of an explosive structure according to the present invention.
Fig. 2 is a partially enlarged schematic structural view of fig. 1.
Fig. 3 is a schematic view of a return spring structure of the present invention.
Fig. 4 is a schematic view of the assembled position of the drive arm and the actuator wheel of the present invention.
In the figure: 1. the trigger comprises a trigger handle, a trigger cover, a worm spring, a trigger wheel, a locating shaft, a limiting pin, a trigger wheel bushing, a spring hook, a return spring, a hook connector, a spring ring, a flange, a driving arm, a hook fixing hole, a limiting arc groove, a wear-resistant liner tube, a flat pad, a snap ring, a latch combination and a trigger rope.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Referring to fig. 1 and 2, an outboard engine starting device of the present embodiment is provided with a starting cover 2 having a positioning spindle, and a volute spring 3 and a starting wheel 4 are installed in the starting cover 2 with the positioning spindle as a center. The starting cover 2 is provided with a starting handle 1, and the starting handle 1 is connected with a starting wheel 4 through a starting rope 13.
The central shaft of the starting wheel 4 is inserted with a starting wheel bushing 5, the starting wheel bushing 5 is of a T-shaped pipe structure, a circle of spring groove seats are arranged on the outer diameter of the large end of the starting wheel bushing 5, the small end of the starting wheel bushing 5 penetrates through the starting wheel 4 and the volute spring 3 to be matched with the positioning mandrel of the starting cover 2, and then the starting wheel bushing is locked by a bolt locking combination 12. The starting wheel bush 5 is made of H62 material, and the machining dimensional accuracy of the inner diameter and the outer diameter is within 0.05 mm.
The spring groove seat of the starting wheel bushing 5 is clamped with a return spring 7, and the return spring 7 is connected with a driving arm 8 positioned on the spoke of the starting wheel 4. Specifically, the return spring 7 is formed by bending an elastic wire. The return spring 7 has a U-shaped bayonet which is formed by two sharp edges and a stop edge 73 which cooperates with a spring socket on the starting wheel bushing 5, the angle of the two sharp edges of the return spring 7 being 35 deg. + -1.0 deg.. The rib 73 is connected with the two sharp edges through an arc, and the arc is matched with the diameter of the spring groove seat of the starting wheel bushing 5 at the same time, as shown in fig. 3. The two sharp edges of the return spring 7 extend outwards to form an elastic ring 72 respectively, and a circular drag hook joint 71 is formed by extending the elastic ring 72 towards the opening direction of the U-shaped bayonet.
The two ends of the return spring 7 are respectively connected to the driving arm 8 through a spring drag hook 6, namely one end of the spring drag hook 6 is connected with a circular drag hook joint 71, and the other end of the spring drag hook 6 is connected to the driving arm 8.
The driving arm 8 is a long double-wing structure formed by pressing (PA 6+15GF) materials, draw hook fixing holes 81 are respectively formed in the double wings, as shown in fig. 4, a mounting hole matched with the starting wheel 4 is formed in the center of the driving arm 8, a limit arc groove 82 is formed in one wing edge part of the double wings, and the limit arc groove 82 is matched with the limit pin 42 arranged on the spoke of the starting wheel 4. The driving arm 8 is sleeved on a positioning shaft 41 on the spoke of the starting wheel 4 through a central part mounting hole. The dimensional tolerance of the protruding height of the positioning shaft 41 is controlled to be in the range of 0.05-0.12 mm.
In actual installation, the wear-resistant liner tube 9 is arranged in the installation hole, then the limit pin 42 is additionally provided with the flat pad 10, and then the flat pad is fixed by the split ring 11, so that the driving arm 8 can be ensured to freely rotate by taking the positioning shaft 41 as a rotation center.
When the driving arm 8 is manufactured, the machining dimensional precision of the center mounting hole is controlled within +/-0.05 mm, so that the driving arm 8 is ensured not to be blocked or loosened in the moving process.
When the engine is required to be started by an operator, the starting handle 1 and the starting rope 13 are pulled by hands, and then the starting wheel 4 is driven to rotate anticlockwise. During the movement process of the starting wheel 4, the return spring 7 generates friction with the starting wheel bushing 5 arranged on the starting wheel 4, and when the friction force of the left fulcrum of the return spring 7 is larger than that of the right fulcrum, the return spring 7 is connected with the driving arm 8 through the spring drag hook 6, so that the driving arm 8 stretches out to buckle the flywheel, and the flywheel is driven to start the engine.
The volute spring 3 in the starting wheel 4 is in a shrinkage stress state when the starting rope 13 is pulled out. When the outward pulling force disappears, the starting rope 13 automatically rebounds through the elasticity of the volute spring 3, the starting wheel 4 rotates clockwise, meanwhile, the return spring 7 is connected with the driving arm 8 through the spring drag hook 6 because the friction force between the return spring 7 and the right fulcrum of the starting wheel bushing 5 is larger than that of the left fulcrum, and the driving arm 8 is retracted to prevent collision.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modified structure, method, etc. of the present invention are all within the scope of the present invention.
Claims (3)
1. An outboard engine starting device comprises a starting cover (2), and a starting wheel (4) which is centered in the starting cover and is provided with a volute spring (3) between the starting cover and the starting wheel, and is characterized in that the starting cover is provided with a starting handle (1), and the starting handle is connected with the starting wheel through a starting rope (13); the central shaft part of the starting wheel is provided with a starting wheel bushing (5), a return spring (7) is clamped on the starting wheel bushing, and the return spring is connected with a driving arm (8) positioned on a spoke of the starting wheel;
the return spring (7) is provided with two edges forming an acute angle, and a U-shaped bayonet is formed by a flange (73) matched with a spring groove seat on the starting wheel bushing (5); the two ends of the return spring (7) are respectively connected to a driving arm (8) through a spring drag hook (6), and the driving arm is sleeved on a positioning shaft (41) on a spoke of the starting wheel (4); the angle of two sharp edges of the return spring (7) is 35 degrees+/-1.0 degrees; two edges of the return spring (7) which form an acute angle extend outwards to form one or a plurality of elastic rings (72) respectively; the elastic ring (72) extends towards the opening direction of the U-shaped bayonet to form a drag hook joint (71);
the driving arm (8) is of a strip double-wing structure, draw hook fixing holes (81) are respectively formed in the double wings, a mounting hole matched with the starting wheel (4) is formed in the center of the driving arm, and a limit arc groove (82) is formed in one wing edge part of the double wings; the drag hook fixing hole (81) is connected with one end of the spring drag hook (6); the limiting arc groove (82) is matched with a limiting pin (42) arranged on a spoke of the starting wheel (4);
the starting wheel bushing (5) is of a T-shaped pipe structure; the return spring (7) is formed by bending an elastic steel wire.
2. An outboard engine starting device as defined in claim 1, wherein: the driving arm (8) is of a strip double-wing structure formed by pressing PA6+15GF materials, a mounting hole matched with the starting wheel (4) is formed in the center of the driving arm, and a wear-resistant liner tube (9) is arranged in the mounting hole.
3. An outboard engine starting device as defined in claim 1, wherein: the central hole of the starting wheel (4) and the worm spring (3) are centrally positioned on a central positioning shaft arranged on the starting cover (2), the starting wheel bushing (5) is used for centering, and all the components are connected into a whole through the bolt locking combination (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893089.2A CN107628215B (en) | 2017-09-27 | 2017-09-27 | Outboard engine starting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710893089.2A CN107628215B (en) | 2017-09-27 | 2017-09-27 | Outboard engine starting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107628215A CN107628215A (en) | 2018-01-26 |
| CN107628215B true CN107628215B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710893089.2A Active CN107628215B (en) | 2017-09-27 | 2017-09-27 | Outboard engine starting device |
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| Country | Link |
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| CN (1) | CN107628215B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115230928A (en) * | 2022-07-23 | 2022-10-25 | 程金才 | Toothless outboard engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6056280A (en) * | 1998-03-27 | 2000-05-02 | International Business Machines Corporation | Auto-loading lift spring for an electronic device |
| JP2003013828A (en) * | 2001-04-27 | 2003-01-15 | Maruyama Mfg Co Ltd | Starting device of internal combustion engine |
| CN2871888Y (en) * | 2005-12-07 | 2007-02-21 | 蒋永平 | Small-sized universal gasoline engine starting device |
| CN203098120U (en) * | 2013-02-17 | 2013-07-31 | 浙江格林雅动力科技有限公司 | Handheld garden engine structure easy to start |
| CN207311800U (en) * | 2017-09-27 | 2018-05-04 | 浙江沧龙动力机械有限公司 | Shipboard starter |
-
2017
- 2017-09-27 CN CN201710893089.2A patent/CN107628215B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6056280A (en) * | 1998-03-27 | 2000-05-02 | International Business Machines Corporation | Auto-loading lift spring for an electronic device |
| JP2003013828A (en) * | 2001-04-27 | 2003-01-15 | Maruyama Mfg Co Ltd | Starting device of internal combustion engine |
| CN2871888Y (en) * | 2005-12-07 | 2007-02-21 | 蒋永平 | Small-sized universal gasoline engine starting device |
| CN203098120U (en) * | 2013-02-17 | 2013-07-31 | 浙江格林雅动力科技有限公司 | Handheld garden engine structure easy to start |
| CN207311800U (en) * | 2017-09-27 | 2018-05-04 | 浙江沧龙动力机械有限公司 | Shipboard starter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107628215A (en) | 2018-01-26 |
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Address after: No. 111, Yantang Road, Chang'an Town, Haining City, Jiaxing City, Zhejiang Province (self declaration) Patentee after: ZHEJIANG CANGLONG POWER MACHINERY Co.,Ltd. Address before: No. 268-1, Xianglian Road, Shanlian Town, Nanxun District, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG CANGLONG POWER MACHINERY Co.,Ltd. |
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