CN219733545U - Gasoline engine electric starting device and mowing gasoline engine with same - Google Patents
Gasoline engine electric starting device and mowing gasoline engine with same Download PDFInfo
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- CN219733545U CN219733545U CN202221503805.4U CN202221503805U CN219733545U CN 219733545 U CN219733545 U CN 219733545U CN 202221503805 U CN202221503805 U CN 202221503805U CN 219733545 U CN219733545 U CN 219733545U
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Abstract
The utility model provides an electromechanical starting device of a gasoline engine and a mowing gasoline engine with the electromechanical starting device, relates to the technical field of gasoline engine starting devices, and aims to solve the problems that the existing electromechanical starting device of the gasoline engine is complex in structure and more in parts, the gasoline engine is easy to break down due to damaged parts after the parts are damaged, and the parts are difficult to maintain and replace. The device comprises a power device; the main shaft is used for being connected with a crankshaft of the engine; the transmission assembly comprises a first transmission structure, a second transmission structure and a transmission piece used for transmitting and connecting the first transmission structure and the second transmission structure, wherein a shaft of the power device is connected with the first transmission structure; the main shaft is connected with the second transmission structure, and a one-way bearing is arranged between the main shaft and the second transmission structure.
Description
Technical Field
The utility model relates to the technical field of gasoline engine starting devices, in particular to an electromechanical starting device of a gasoline engine and a mowing gasoline engine with the same.
Background
The current gasoline engine starting modes comprise two modes, namely hand-pulling starting and electric starting.
The traditional small gasoline engine starting device generally adopts hand-pulled starting, but the hand-pulled starting mode consumes relatively high physical strength, so that the hand-pulled starting device has relatively high requirements on physical strength and stretching skills of operators, and has the problems that a pull rope with a hand-pulled structure is easy to damage, high in failure rate and the like.
Although the electric starting device can save physical strength well, and the pull rope is not needed to be used, so that the problem of faults caused by the damage of the pull rope is avoided, the inventor finds that the existing electric starting device at least has the following technical problems:
the existing electric starting device is complex in structure and more in parts, when the parts are damaged, the gasoline engine is easy to break down due to the damaged parts, and the problems of difficulty in maintenance and replacement of the parts exist, so that the use requirements cannot be met.
Disclosure of Invention
The utility model aims to provide an electromechanical starting device of a gasoline engine and a mowing gasoline engine with the same, which are used for solving the technical problems that the structure of the existing electromechanical starting device is complex, parts are more, the gasoline engine is easy to break down due to damaged parts after the parts are damaged, and the parts are difficult to repair and replace, so that the use requirement cannot be met 。 The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides an electromechanical starting device of gasoline engine, comprising:
a power device;
the main shaft is used for being connected with a crankshaft of the engine;
the transmission assembly comprises a first transmission structure, a second transmission structure and a transmission piece used for being in transmission connection with the first transmission structure and the second transmission structure, wherein:
the shaft of the power device is connected with the first transmission structure;
the main shaft is connected with the second transmission structure, and a one-way bearing is arranged between the main shaft and the second transmission structure.
Preferably, the bearing sleeve is arranged between the second transmission structure and the one-way bearing.
Preferably, the first transmission structure adopts a first sprocket, the second transmission structure adopts a second sprocket, and the transmission member adopts a chain, wherein:
the diameter of the first sprocket is smaller than the diameter of the second sprocket.
Preferably, the center of the first sprocket is provided with a shaft hole for being matched and connected with the shaft of the power device;
and the center of the second chain wheel is provided with a hole structure which is used for being matched and connected with the bearing sleeve.
Preferably, the shaft of the power device is a D-shaped shaft, and the center of the first sprocket is provided with a D-shaped shaft hole matched with the D-shaped shaft.
Preferably, further comprising a cover and a support structure, wherein:
the power device is connected with the supporting structure, and the supporting structure is connected with the cover body through a connecting piece;
the transmission assembly is arranged between the cover body and the supporting structure.
Preferably, the power device adopts a motor.
A mowing gasoline engine comprises the electromechanical starting device of the gasoline engine.
The utility model provides an electromechanical starting device of a gasoline engine and a mowing gasoline engine with the same ， By arranging the power device, the main shaft and the transmission assembly, the transmission assembly comprises a first transmission structure connected with the shaft of the power device, a second transmission structure connected with the main shaft and a transmission piece for transmitting and connecting the first transmission structure and the second transmission structure, and the main shaft and the second transmission structureAnd a one-way bearing is arranged between the transmission structures, and the power device is utilized to drive the start of the generator through transmission fit. After the engine is started, the engine is self-transmitted, the power device stops working, and the transmission connection between the power device and the gasoline engine is effectively cut off through the action of the one-way bearing, so that the starting of the gasoline engine is realized. Compared with the traditional hand-pulled starting gasoline engine, the electric starting device is more convenient to use, has a simple overall structure and is convenient to use, the failure rate can be effectively reduced, the problem can be easily found even if the failure occurs, and parts can be maintained or replaced in time.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an embodiment of an electromechanical gasoline engine starting device according to the present utility model;
FIG. 2 is a schematic diagram of the explosive structure of the electromechanical starting device of the gasoline engine of the present utility model;
FIG. 3 is a schematic view of the structure of the first sprocket in the gasoline engine electric starting apparatus of the present utility model;
fig. 4 is a schematic view of the structure of the gasoline engine electric starting device of the present utility model in use.
In the figure: 1. a power device; 11. a shaft of the power plant; 2. a main shaft; 3. a transmission assembly; 31. a first transmission structure; 311. a shaft hole; 32. a second transmission structure; 321. a pore structure; 33. a transmission member; 4. a one-way bearing; 5. a bearing sleeve; 6. a cover body; 7. and a support structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it should be understood that the terms "center", "side", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
The utility model provides an electromechanical starting device for gasoline engine, fig. 1 is a schematic structural diagram of the embodiment, and as shown in fig. 1, the electromechanical starting device comprises a power device 1, a main shaft 2 and a transmission assembly 3, wherein the power device 1 is connected with the main shaft through the transmission assembly 3, in the embodiment, the power device 1 adopts a motor, and the main shaft 2 is used for being connected with a crankshaft of an engine.
Fig. 2 is an exploded view of the present embodiment, and as shown in fig. 2, the transmission assembly 3 includes a first transmission structure 31, a second transmission structure 32, and a transmission member 33 for drivingly connecting the first transmission structure 31 and the second transmission structure 32.
Wherein the shaft 11 of the power plant is connected to the first transmission 31. Specifically, in the present embodiment, the first transmission structure 31 is provided with a shaft hole that mates with the shaft 11 of the power device;
the main shaft 2 is connected with the second transmission structure 32, and a one-way bearing 4 is arranged between the main shaft 2 and the second transmission structure 32.
The working principle of the embodiment is as follows:
firstly, starting the power device 1, wherein a shaft 11 of the power device drives a first transmission structure 31 to rotate clockwise/anticlockwise, the first transmission structure 31 drives a second transmission structure 32 to rotate clockwise/anticlockwise through a transmission part 33 under the transmission action of a transmission assembly 3, at the moment, a one-way bearing 4 is in a blocked working state, namely, a bearing inner ring rotates clockwise/anticlockwise, a main shaft 2 rotates clockwise/anticlockwise along with the second transmission structure 32, and then an engine crankshaft is driven to rotate clockwise/anticlockwise, so that engine starting is realized;
the engine rotates after being started, and the power device 1 stops working. Because the rotating speed of the crankshaft is higher than the rotating speed of the power device 1 after the engine is started, for the unidirectional bearing 4, namely, a speed difference exists between the bearing inner ring and the bearing outer ring, and the rotating speed of the bearing inner ring is higher than the rotating speed of the bearing outer ring, the outer ring of the unidirectional bearing 4 rotates clockwise/anticlockwise by a relative motion relation, and the inner ring rotates reversely/clockwise, namely, the unidirectional bearing is in a free state from a locking state, so that the power transmission of the starting motor and the engine crankshaft is cut off.
This petrol engine electric starting drive through setting up power device 1, main shaft 2 and drive assembly 3, and drive assembly 3 includes the first transmission structure 31 that is connected with power device's axle 11, the second transmission structure 32 that is connected with main shaft 2 and be used for the transmission to connect the driving medium 33 of first transmission structure 31 and second transmission structure 32, and set up one-way bearing 4 between main shaft 2 and the second transmission structure 32, through transmission cooperation, utilize power device 1 to drive the start of generator, the engine is from passing after the start, power device stops working, through the effect of one-way bearing 4, effectively cut off the transmission connection of power device 1 and petrol engine, thereby realize the start of petrol engine. Compared with the traditional hand-pulled starting gasoline engine, the electric starting device is more convenient to use, has a simple overall structure and is convenient to use, the failure rate can be effectively reduced, the problem can be easily found even if the failure occurs, and parts can be maintained or replaced in time.
As an alternative embodiment, it further comprises a bearing housing 5, the bearing housing 5 being arranged between the second transmission structure 32 and the one-way bearing 4.
The unidirectional bearing 4 is effectively fixed through the bearing sleeve 5, so that the problem that the unidirectional bearing 4 is offset due to vibration during working can be avoided, the stability and the safety of the whole structure during use are improved, and the service life of the device can be prolonged.
As an alternative embodiment, the first transmission structure 31 employs a first sprocket, the second transmission structure 32 employs a second sprocket, and the transmission member 33 employs a chain. In this embodiment, the diameter of the first sprocket is set smaller than the diameter of the second sprocket.
The transmission assembly adopts chain transmission, so that the gasoline engine electric starting device has the advantages of high transmission efficiency, strong reliability, good environmental adaptability and the like, and is a preferable transmission mode of the transmission assembly in the gasoline engine electric starting device.
Of course, during actual use, other existing transmission modes can be selected according to actual use requirements so as to meet different use requirements.
As an alternative embodiment, the center of the first sprocket is provided with a shaft hole 311 for mating connection with the shaft 11 of the power unit. The center of the second sprocket is provided with a hole structure 321 for mating connection with the bearing housing 5.
Specifically, fig. 3 is a schematic structural view of a first sprocket in the present embodiment, and as shown in fig. 3, in the present embodiment, a shaft 11 of a power device is a "D" shaft, and a "D" shaft hole that mates with the "D" shaft is provided in the center of the first sprocket.
As an alternative implementation, fig. 4 is a schematic structural diagram of the embodiment when in use, as shown in fig. 4, and further includes a cover 6 and a support structure 7.
Wherein, power device 1 is connected with bearing structure 7, and bearing structure 7 passes through the connecting piece and is connected with cover 6. The transmission assembly 3 is arranged between the cover 6 and the support structure 7.
The utility model provides a gasoline engine that mows, including foretell a gasoline engine electric starting drive, through setting up power device 1, main shaft 2 and drive assembly 3, and drive assembly 3 includes the first transmission structure 31 of being connected with power device's axle 11, the second transmission structure 32 of being connected with main shaft 2 and be used for the transmission to connect the driving medium 33 of first transmission structure 31 and second transmission structure 32, and set up one-way bearing 4 between main shaft 2 and the second transmission structure 32, through transmission cooperation, utilize power device 1 to drive the start of generator, the engine is from passing after the start, power device stops working, through the effect of one-way bearing 4, effectively cut off the transmission connection of power device 1 and gasoline engine, thereby realize the start of gasoline engine. Compared with the traditional hand-pulled starting gasoline engine, the electric starting device is more convenient to use, has a simple overall structure and is convenient to use, the failure rate can be effectively reduced, the problem can be easily found even if the failure occurs, and parts can be maintained or replaced in time.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (7)
1. An electromechanical gasoline engine starting device, comprising:
a power device;
the main shaft is used for being connected with a crankshaft of the engine;
the transmission assembly comprises a first transmission structure, a second transmission structure and a transmission piece used for being in transmission connection with the first transmission structure and the second transmission structure, wherein:
the shaft of the power device is connected with the first transmission structure;
the main shaft is connected with the second transmission structure, and a one-way bearing is arranged between the main shaft and the second transmission structure;
the first transmission structure adopts a first sprocket, the second transmission structure adopts a second sprocket, the transmission part adopts a chain, and the diameter of the first sprocket is smaller than that of the second sprocket.
2. An electromechanical starting device for a gasoline engine as defined in claim 1, wherein: the bearing sleeve is arranged between the second transmission structure and the one-way bearing.
3. An electromechanical starting device for a gasoline engine as defined in claim 1, wherein: the center of the first chain wheel is provided with a shaft hole which is used for being matched and connected with the shaft of the power device;
and the center of the second chain wheel is provided with a hole structure which is used for being matched and connected with the bearing sleeve.
4. An electromechanical starting device for a gasoline engine as claimed in claim 3, wherein: the shaft of the power device is a D-shaped shaft, and the center of the first sprocket is provided with a D-shaped shaft hole matched with the D-shaped shaft.
5. An electromechanical starting device for a gasoline engine as claimed in any one of claims 1 to 4, wherein: still include cover body and bearing structure, wherein:
the power device is connected with the supporting structure, and the supporting structure is connected with the cover body through a connecting piece;
the transmission assembly is arranged between the cover body and the supporting structure.
6. An electromechanical starting device for a gasoline engine as claimed in any one of claims 1 to 4, wherein: the power device adopts a motor.
7. A mowing gasoline engine, characterized in that: an electromechanical gasoline engine starting device comprising any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221503805.4U CN219733545U (en) | 2022-06-16 | 2022-06-16 | Gasoline engine electric starting device and mowing gasoline engine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221503805.4U CN219733545U (en) | 2022-06-16 | 2022-06-16 | Gasoline engine electric starting device and mowing gasoline engine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219733545U true CN219733545U (en) | 2023-09-22 |
Family
ID=88058207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221503805.4U Active CN219733545U (en) | 2022-06-16 | 2022-06-16 | Gasoline engine electric starting device and mowing gasoline engine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219733545U (en) |
-
2022
- 2022-06-16 CN CN202221503805.4U patent/CN219733545U/en active Active
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