CN214577491U - One-way electric starting mechanism for motorcycle engine - Google Patents
One-way electric starting mechanism for motorcycle engine Download PDFInfo
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- CN214577491U CN214577491U CN202120771257.2U CN202120771257U CN214577491U CN 214577491 U CN214577491 U CN 214577491U CN 202120771257 U CN202120771257 U CN 202120771257U CN 214577491 U CN214577491 U CN 214577491U
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Abstract
A one-way electric starting mechanism for a motorcycle engine comprises a starting motor, a box body, a direct-drive straight toothed disc, a driving helical gear, a transmission shaft, a sliding ratchet gear, a ratchet straight gear, a driving large disc gear, a one-way clutch and a magneto; the starting motor is arranged on one side of the box body, and an output spline shaft of the starting motor is meshed and connected with a direct-drive straight fluted disc in the box body; the direct-drive straight fluted disc is connected with the transmission shaft through a rectangular groove on the inner hole of the direct-drive straight fluted disc; the transmission shaft and the driving bevel gear are connected together through interference press-fitting; the sliding ratchet gear and the ratchet straight gear are both arranged on the helical gear transmission shaft assembly, and the ratchets on the end faces of the sliding ratchet gear and the ratchet straight gear are meshed oppositely. The utility model discloses a through the work and the inefficacy of one-way electric starting mechanism, by the starter motor drive when magnetor pulse drive, low temperature under normal atmospheric temperature, realized starter motor drive mode and magnetor pulse drive mode's switching, the engine idle speed that has kept two kinds of modes opens and stops, thoughtlessly moves new technological advantages such as helping hand and quick charge.
Description
Technical Field
The utility model belongs to the technical field of motorcycle engine design, mainly relate to a motorcycle engine starter motor drive when low temperature and the one-way electric actuating mechanism that magneto pulse driven's two drive electricity start mode switches when normal atmospheric temperature.
Background
The starting structure of the motorcycle engine at present has two forms, one is a starting motor driving structure with universal large and small discharge capacity, and the other is a magnetor pulse driving structure suitable for small discharge capacity below 200cc, wherein the starting motor driving structure has strong universality, is used for high and low temperature large, medium and small discharge capacities, has higher applicability, has stronger noise when being started, and can not realize the application of novel technologies such as idling start-stop, mixed power assistance, quick charging and the like; the pulse starting of the magneto has the advantage of mute starting, and the application of technologies such as idle starting and stopping, hybrid power assisting and quick charging can be realized, but when the magneto is started at a low temperature, the mechanical resistance is increased, the magneto is required to generate larger torque force, the torque force can be realized only by measures such as enlarging the diameter of the magneto and the diameter of a coil wire, the size and the weight of an engine are increased, and the manufacturing cost is increased excessively.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a motorcycle is one-way electric starting mechanism for engine, this mechanism arrange above-mentioned two kinds of electric starting mode on same engine, carry out the collection and the execution logic control of relevant signals such as temperature, rotational speed, battery power through ECU, can realize through magneto pulse start under the normal atmospheric temperature, start through starter motor during the low temperature, guaranteed the normal start of engine under the low temperature, compromise both sides' advantage.
The purpose of the utility model can be realized by adopting the following technical scheme: a one-way electric starting mechanism for a motorcycle engine comprises a starting motor, a box body, a direct-drive straight fluted disc, a driving helical gear, a transmission shaft, a sliding ratchet gear, a separation spring, a ratchet straight gear, a driving large disc gear, a one-way clutch, a magneto and a crankshaft; the starting motor is arranged on one side of the box body, and an output spline shaft of the starting motor is meshed and connected with a direct-drive straight fluted disc arranged in the box body; the direct-drive straight fluted disc is connected with the transmission shaft through a rectangular groove arranged on an inner hole of the direct-drive straight fluted disc; the transmission shaft is provided with a driving bevel gear, and the transmission shaft and the driving bevel gear are connected together through interference press-fitting to form a helical gear transmission shaft assembly; the sliding ratchet gear is arranged on a helical gear transmission shaft assembly consisting of a transmission shaft and a driving helical gear; the ratchet spur gear is arranged on the transmission shaft on the right side of the sliding ratchet gear, and the ratchet on the end face of the ratchet spur gear is relatively meshed with the ratchet on the end face of the sliding ratchet gear; the driving large disc gear is arranged in the box body, an inner hole of the driving large disc gear is sleeved on a crankshaft on one side of the box body, and the driving large disc gear is in meshed connection with the ratchet straight gear; the crankshaft is arranged on the outer side of the box body, and one end of the crankshaft penetrates into the box body and is connected with the driving large disc gear; the one-way clutch and the magneto are sequentially arranged on the right side of the driving large disk gear, and inner holes of the one-way clutch and the magneto are sequentially sleeved on the crankshaft and are connected with the crankshaft together.
Spline parameters on the outer circle of the direct-drive straight fluted disc are matched with output shaft spline parameters of the starting motor, and a pair of gear pairs is formed by the spline parameters and the output shaft spline parameters.
One end of the transmission shaft is provided with a rectangular shaft connected with the direct-drive straight-tooth disc, and the size of the rectangular shaft is matched with that of a rectangular groove in an inner hole of the direct-drive straight-tooth disc.
The sliding ratchet gear is a stepped gear with an inner hole being helical teeth and end surface steps being ratchets, and the ratchet parameters on the end surface are matched with those on the end surface of the ratchet straight gear.
The helical tooth parameters of the driving helical gear are matched with the inner hole helical tooth parameters of the sliding ratchet gear, and the driving helical gear and the sliding ratchet gear form a pair of gear pairs.
The separation spring is arranged between the sliding ratchet gear and the ratchet straight gear and is used for controlling the separation of the sliding ratchet gear and the ratchet straight gear.
The gear parameters of the ratchet straight gear are matched with those of the driving large-disc gear to form a pair of gear pairs.
The magneto is fixedly connected with the one-way clutch through a bolt.
The working principle of the mechanism is as follows: when the engine is started at low temperature, the one-way electric starting mechanism is required to work: firstly, a starting motor is started, an output spline shaft of the starting motor drives a direct-drive straight-tooth disc to rotate when the starting motor rotates, a transmission shaft connected with the direct-drive straight-tooth disc rotates along with the direct-drive straight-tooth disc when the direct-drive straight-tooth disc rotates, a helical gear transmission shaft assembly formed by the transmission shaft and a driving helical gear rotates synchronously, and the driving helical gear drives a sliding ratchet gear to axially slide and rotate; then the sliding ratchet gear slides and rotates in the axial direction, and the ratchet on the sliding ratchet gear is relatively meshed with the ratchet on the end face of the ratchet straight gear to drive the ratchet straight gear to rotate; the rotating ratchet spur gear drives the driving large disc gear meshed with the ratchet spur gear to rotate, then the rotating driving large disc gear drives the one-way clutch to rotate in a one-way mode, the one-way clutch drives the magneto to rotate as the magneto is fixedly connected with the one-way clutch, and when the magneto rotates, the magneto is fixedly connected with the crankshaft to drive the crankshaft to rotate until the engine is ignited; the whole transmission flow is as follows: starting the motor → directly driving the straight fluted disc → the helical tooth drive shaft assembly → sliding ratchet gear → ratchet straight gear → driving the big fluted disc gear → one-way clutch → magneto → crankshaft → engine start;
when the normal atmospheric temperature state needs magnetor pulsation drive, then one-way electric starting mechanism work became invalid, starting motor stall, and transmission gear pair power supply at different levels cuts off, and slip ratchet gear and ratchet spur gear take place the separation under the spring action of separation spring, and the magnetor is as direct power supply, drives the bent axle and takes place to rotate until the engine starts, and the drive flow is: magneto → crankshaft → engine start.
The utility model discloses a beneficial effect is: through the work and the failure of the unidirectional electric starting mechanism, the magnetor is driven by pulse at normal temperature, and the starting motor is driven at low temperature, so that the switching between the driving mode of the starting motor and the pulse driving mode of the magnetor is realized, the two modes are not affected with each other, the advantages of the two modes are reserved, and the application of new technologies such as idling starting and stopping of the engine at normal temperature, hybrid power assisting, quick charging and the like is realized.
Drawings
Fig. 1 is a schematic view of an assembly structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is an exploded view of the one-way electric starting structure of the present invention;
fig. 4 is a schematic view of the engagement between the sliding ratchet gear and the ratchet spur gear of the present invention;
fig. 5 is a schematic diagram of the sliding ratchet gear and the ratchet spur gear according to the present invention;
fig. 6 is an exploded view of the driving bevel gear, the transmission shaft, the sliding ratchet gear and the ratchet spur gear of the present invention;
fig. 7 is a side view of the sliding ratchet gear of the present invention;
fig. 8 is a side view of the ratchet spur gear of the present invention;
the labels in the figure are: 1. the device comprises a starting motor, 2, a box body, 3, a direct-drive straight toothed disc, 4, a driving bevel gear, 5, a transmission shaft, 6, a sliding ratchet gear, 7, a separation spring, 8, a ratchet straight gear, 9, a driving large disc gear, 10, a one-way clutch, 11, a magneto, 12, a crankshaft, 13 and a helical gear transmission shaft assembly.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6, 7 and 8, a one-way electric starting mechanism for a motorcycle engine comprises a starting motor 1, a box body 2, a direct-drive straight toothed disc 3, a driving helical gear 4, a transmission shaft 5, a sliding ratchet gear 6, a separation spring 7, a ratchet straight gear 8, a driving large disc gear 9, a one-way clutch 10, a magneto 11 and a crankshaft 12; the starting motor 1 is arranged on one side of the box body 2 which plays a main structure bearing role, an output spline shaft of the starting motor 1 is meshed with a direct-drive straight fluted disc 3 arranged in the box body 2, spline parameters on the excircle of the direct-drive straight fluted disc 3 are matched with spline parameters of an output shaft of the starting motor 1, and a pair of gear pairs are formed by the spline parameters and the spline parameters; the direct-drive straight fluted disc 3 is connected with the transmission shaft 5 through a rectangular groove arranged on an inner hole of the direct-drive straight fluted disc; the transmission shaft 5 is provided with a driving bevel gear 4, the transmission shaft 5 and the driving bevel gear 4 are connected together through interference press-fitting to form a bevel gear transmission shaft assembly 13, one end of the transmission shaft 5 is provided with a rectangular shaft connected with the direct-drive straight fluted disc 3, and the size of the rectangular shaft is matched with that of a rectangular groove on an inner hole of the direct-drive straight fluted disc 3; the sliding ratchet gear 6 is arranged on a helical gear transmission shaft assembly 13 consisting of a transmission shaft 5 and a driving helical gear 4, the sliding ratchet gear 6 is a stepped gear with an inner hole being helical teeth and end surface steps being ratchets, and the parameters of the helical teeth of the inner hole are matched with those of the helical teeth of the driving helical gear 4 to form a pair of gear pairs; the ratchet straight gear 8 is arranged on the helical gear transmission shaft assembly 13, the ratchet on the end face of the ratchet straight gear 8 is relatively meshed with the ratchet on the end face of the sliding ratchet gear 6, and the ratchet parameters are matched with those of the sliding ratchet gear 6; the separation spring 7 is arranged between the sliding ratchet gear 6 and the ratchet straight gear 8 and is used for controlling the separation of the sliding ratchet gear 6 and the ratchet straight gear; the driving large-disc gear 9 is arranged in the box body 2, the inner hole of the driving large-disc gear is sleeved on a crankshaft 12 on one side of the box body 2, the driving large-disc gear 9 is meshed with the ratchet straight gear 8, the gear parameter of the driving large-disc gear is matched with the gear parameter of the ratchet straight gear 8, and the driving large-disc gear and the ratchet straight gear form a pair of gear pairs; the crankshaft 12 is arranged on the outer side of the box body 2, and one end of the crankshaft 12 penetrates into the box body 2 and is connected with the driving large disc gear 9; one-way clutch 10 and magneto 11 set gradually on the right side of drive large plate gear 9, magneto 11 passes through bolt and one-way clutch 10 fixed connection together, the hole suit in proper order of the two is on bent axle 12, link together with bent axle 12 jointly.
The working principle of the mechanism is as follows: when the engine is started at low temperature, the one-way electric starting mechanism is required to work: firstly, starting a starting motor 1 which plays a role of a driving source, wherein when the starting motor 1 rotates, an output spline shaft of the starting motor drives a direct-drive straight fluted disc 3 to rotate, and when the direct-drive straight fluted disc 3 rotates, as the direct-drive straight fluted disc 3 is connected with a transmission shaft 5, the transmission shaft 5 and a helical transmission shaft assembly 13 consisting of a driving helical gear 4 synchronously rotate, which is primary transmission; when the helical gear transmission shaft assembly 13 rotates, the driving helical gear 4 drives the sliding ratchet gear 6 to axially slide and rotate, which is a secondary transmission; when the sliding ratchet gear 6 slides and rotates along the axial direction, the ratchets on the sliding ratchet gear are relatively meshed with the ratchets on the end surface of the ratchet straight gear 8, the sliding ratchet gear 6 drives the ratchet straight gear 8 to rotate, and three-stage transmission is realized; then the straight tooth part of the rotating ratchet straight gear 8 is meshed with the driving large disc gear 9, so that the driving large disc gear 9 rotates, and four-stage transmission is realized; the rotating driving large disk gear 9 drives the one-way clutch 10 to rotate in a one-way mode, and five-stage transmission is achieved; because the magneto 11 is fixedly connected with the one-way clutch 10, when the one-way clutch 10 rotates in one way, the magneto 11 is driven to rotate, and six-stage transmission is realized; when the magneto 11 rotates, the magneto 11 is fixedly connected with the crankshaft 12, so that the crankshaft 12 is driven to rotate until the engine is ignited, and seven-stage transmission is realized; the whole transmission flow is as follows: the starting motor 1 → the direct-drive straight toothed disc 3 → the helical gear drive shaft assembly 13 → the sliding ratchet gear 6 → the ratchet straight gear 8 → the driving large disc gear 9 → the one-way clutch 10 → the magneto 11 → the crankshaft 12 → the engine is started;
when the normal atmospheric temperature state needs 11 pulsation starts of magnetor, then one-way electric starting mechanism work inefficacy, starting motor 1 stall this moment, and transmission gear pair power supplies at all levels cut off, and the separation takes place for the slip ratchet gear 6 and the ratchet spur gear 8 of interlock under the spring action of separation spring 7, and magnetor 11 is as direct power supply, drives bent axle 12 and takes place to rotate until the engine starts, and the drive flow is: magneto 11 → crankshaft 12 → engine start.
The utility model discloses the part of not detailing is prior art, and this utility model discloses a switching of starter motor drive mode and magneto pulsation drive mode is carried out through one-way electric starting mechanism's work and inefficacy, makes it each other not influence, has kept the advantage of two kinds of modes. The detailed structure and characteristics of the embodiments are not described in detail, and similar parts may be referred to each other.
Claims (8)
1. A one-way electric starting mechanism for a motorcycle engine is characterized in that: the device comprises a starting motor (1), a box body (2), a direct-drive straight toothed disc (3), a driving helical gear (4), a transmission shaft (5), a sliding ratchet gear (6), a separation spring (7), a ratchet straight gear (8), a driving large disc gear (9), a one-way clutch (10), a magneto (11) and a crankshaft (12); the starting motor (1) is arranged on one side of the box body (2), and an output spline shaft of the starting motor (1) is meshed and connected with a direct-drive straight fluted disc (3) arranged in the box body (2); the direct-drive straight fluted disc (3) is connected with the transmission shaft (5) through a rectangular groove arranged on an inner hole of the direct-drive straight fluted disc; the transmission shaft (5) is provided with a driving bevel gear (4), and the transmission shaft (5) and the driving bevel gear (4) are connected together through interference press-fitting to form a bevel gear transmission shaft assembly (13); the sliding ratchet gear (6) is arranged on the helical gear transmission shaft assembly (13); the ratchet straight gear (8) is arranged on the transmission shaft on the right side of the sliding ratchet gear (6), and the ratchet on the end surface of the ratchet straight gear is relatively meshed with the ratchet on the end surface of the sliding ratchet gear (6); the driving large disc gear (9) is arranged in the box body (2), an inner hole of the driving large disc gear is sleeved on a crankshaft (12) on one side of the box body (2), and the driving large disc gear (9) is meshed and connected with the ratchet straight gear (8); one end of the crankshaft penetrates into the box body (2) and is connected with the driving large disc gear (9); the one-way clutch (10) and the magneto (11) are sequentially arranged on the right side of the driving large-disc gear (9), and inner holes of the two are sequentially sleeved on the crankshaft (12) and are connected with the crankshaft (12) together.
2. The unidirectional electric starting mechanism for motorcycle engine as claimed in claim 1, wherein: spline parameters on the excircle of the direct-drive straight fluted disc (3) are matched with spline parameters of an output shaft of the starting motor (1), and the spline parameters form a pair of gear pairs.
3. The unidirectional electric starting mechanism for motorcycle engine as claimed in claim 2, wherein: one end of the transmission shaft (5) is provided with a rectangular shaft connected with the direct-drive straight fluted disc (3), and the size of the rectangular shaft is matched with that of a rectangular groove on an inner hole of the direct-drive straight fluted disc (3).
4. The unidirectional electric starting mechanism for motorcycle engine as claimed in claim 1, wherein: the sliding ratchet gear (6) is a step gear with an inner hole of helical teeth and end surface steps of ratchets, and the ratchet parameters on the end surface are matched with those on the end surface of the ratchet straight gear (8).
5. The unidirectional electric starting mechanism for motorcycle engine as claimed in claim 1, wherein: the helical tooth parameters of the driving helical gear (4) are matched with the inner hole helical tooth parameters of the sliding ratchet gear (6), and the two parameters form a pair of gear pairs.
6. The unidirectional electric starting mechanism for motorcycle engine as claimed in claim 1, wherein: the separation spring (7) is arranged between the sliding ratchet gear (6) and the ratchet straight gear (8) and is used for controlling the separation of the sliding ratchet gear and the ratchet straight gear.
7. The unidirectional electric starting mechanism for motorcycle engine as claimed in claim 1, wherein: the gear parameters of the ratchet straight gear (8) are matched with the gear parameters of the driving large-disc gear (9) to form a pair of gear pairs.
8. The unidirectional electric starting mechanism for motorcycle engine as claimed in claim 1, wherein:
the magneto (11) is fixedly connected with the one-way clutch (10) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120771257.2U CN214577491U (en) | 2021-04-15 | 2021-04-15 | One-way electric starting mechanism for motorcycle engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120771257.2U CN214577491U (en) | 2021-04-15 | 2021-04-15 | One-way electric starting mechanism for motorcycle engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214577491U true CN214577491U (en) | 2021-11-02 |
Family
ID=78359278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120771257.2U Active CN214577491U (en) | 2021-04-15 | 2021-04-15 | One-way electric starting mechanism for motorcycle engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214577491U (en) |
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2021
- 2021-04-15 CN CN202120771257.2U patent/CN214577491U/en active Active
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