CN217440155U - Engine with generator rotor combination mechanism - Google Patents
Engine with generator rotor combination mechanism Download PDFInfo
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- CN217440155U CN217440155U CN202221000618.4U CN202221000618U CN217440155U CN 217440155 U CN217440155 U CN 217440155U CN 202221000618 U CN202221000618 U CN 202221000618U CN 217440155 U CN217440155 U CN 217440155U
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- rotor
- crankcase
- way clutch
- outer ring
- gear
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Abstract
The utility model relates to an engine with a generator rotor combination mechanism, which comprises a crankcase, a crankshaft, a generator and a starting motor. The crankcase includes a crankcase body and a crankcase cover coupled to the crankcase body. The generator comprises a rotor and a stator, wherein the rotor is fixedly arranged on the crankshaft, the stator is fixedly arranged on the crankcase cover, the rotor comprises a rotor body and a rotor hub, the rotor body is fixedly connected with the rotor hub, and the rotor hub is provided with an outer ring part. The outer periphery of the one-way clutch sprag set engages the outer ring portion, and the inner periphery thereof selectively engages or disengages a first starting gear which is in sliding engagement with the crankshaft. The starting motor is fixedly arranged on the crankcase body and is provided with a gear shaft provided with a second starting gear, and the second starting gear is meshed with the first starting gear. Wherein, rotor hub and outer ring portion formula structure as an organic whole. The normal use condition of the one-way clutch can be effectively ensured, and the service life of the one-way clutch can be prolonged.
Description
Technical Field
The present invention relates to an engine with a generator rotor coupling mechanism, and more particularly to an engine with a generator rotor coupling mechanism for a power vehicle.
Background
Fig. 3 to 5 are an internal assembly view of the conventional engine, an exploded view of the conventional engine, and a side view of the conventional rotor and the first starting gear, respectively. An engine 9 is shown, which basically comprises a crankcase 92, a crankshaft 93, a generator 94, a one-way clutch 95, a first starter gear 961, a second starter gear 962 and a starter motor 97.
The crankcase 92 includes a crankcase 921 and a crankcase cover 922 coupled to the crankcase 921, and the crankcase 92 has a receiving space 920 therein for receiving the generator 94, the one-way clutch 95 and the first start gear 961. The crankshaft 93 is inserted into the crankcase 921, and is supported by the crankcase 921 and the crankcase cover 922 for rotation. The generator 94 includes a rotor 941 and a stator 942, the rotor 941 is fixed to the crankshaft 93 for synchronous rotation with the crankshaft 93, and the stator 942 is fixed to the crankcase cover 922. The rotor 941 includes a rotor body 9411 and a rotor hub 9412 fixed to the rotor body 9411. The one-way clutch 95 includes a one-way clutch sprag group 951 and a one-way clutch outer ring 952, the one-way clutch outer ring 952 is locked on the rotor hub 9412 by a plurality of bolts 953, the outer circumference of the one-way clutch sprag group 951 is engaged with the one-way clutch outer ring 952, the inner circumference thereof is selectively engaged with or disengaged from a first start gear 961, and the first start gear 961 is sleeved on the crankshaft 93 and is in sliding fit with the crankshaft 93. The starter motor 97 is fixedly mounted to the crankcase 921 and has a gear shaft 971 with a second starter gear 962, the second starter gear 962 engaging the first starter gear 961.
Among them, the rotor 941 and the one-way clutch 95 are also referred to as a starting member in the related art, so that the rotor 941 can be connected to or disconnected from the power transmission of the starting motor 97. When the starter motor 97 starts the engine, the power of the starter member and the starter motor 97 is cut off, and the one-way clutch 95 and the first starter gear 961 have a clearance after starting, which is enough to cause abnormal wear of the one-way clutch 95.
However, as shown in fig. 5, the one-way clutch 95 itself has a requirement for the offset amount of the one-way clutch sprag group 951, the one-way clutch outer ring 952 is coupled to the rotor 941 through a plurality of bolts 953, and the assembly gap D1 between the one-way clutch outer ring 952 and the rotor hub 9412 and the assembly gap D2 between the bolts 953 and the rotor hub 9412 are present during assembly, so that the concentricity between the one-way clutch outer ring 952 and the rotor body 9411 cannot be controlled, and the one-way clutch sprag group 951 and the one-way clutch outer ring 952 are eccentric. Among the solutions in the past, one of the solutions is: the combined tolerance of the inner diameter of the rotor hub 9412 and the outer ring 952 of the one-way clutch is specially revised, and the two are: a set of jig is newly provided and the offset tolerance between the one-way clutch outer ring 952 and the rotor body 9411 is increased, but the above solution will increase the cost due to the processing of two parts and increase the assembly and inspection time.
The present inventors have therefore found that in view of the above-mentioned problems, there is a need for an engine with a generator rotor coupling mechanism, which can solve the above-mentioned problems.
Disclosure of Invention
The utility model aims at providing an engine of utensil generator rotor combination mechanism, through with prior art the one-way clutch outer loop directly integrate on rotor wheel hub, form the integral type structure for only need to control the concentricity of controlling rotor wheel hub's internal diameter and rotor body when generator rotor corresponds the equipment with one-way clutch, can reduce deviation and man-hour that the equipment caused, can effectually ensure one-way clutch normal use condition and increase of service life.
To achieve the above object, the present invention provides an engine with a generator rotor coupling mechanism, which comprises a crankcase, a crankshaft, a generator, a one-way clutch wedge set and a starter motor. The crankcase comprises a crankcase body and a crankcase cover connected with the crankcase body, and is provided with an accommodating space. The crankshaft is arranged in the crankcase body in a penetrating way and is supported by the crankcase body and the crankcase cover. The generator is accommodated in the accommodating space and comprises a rotor and a stator, the rotor is fixedly arranged on the crankshaft, the stator is fixedly arranged on the crankcase cover, the rotor comprises a rotor body and a rotor hub, the rotor body is fixedly connected with the rotor hub, and the rotor hub is provided with an outer ring part. The outer periphery of the one-way clutch sprag set engages the outer ring portion and the inner periphery thereof selectively engages or disengages a first starter gear which is in sliding engagement with the crankshaft. The starting motor is fixedly arranged on the crankcase body and is provided with a gear shaft provided with a second starting gear, and the second starting gear is meshed with the first starting gear; wherein, rotor hub and outer ring portion formula structure as an organic whole.
Through the design, when the one-way clutch wedge set is started, the one-way clutch wedge set is meshed with the first starting gear, and a gap is kept between the one-way clutch wedge set and the first starting gear after the one-way clutch wedge set is started, wherein the gap is the key for separating the one-way clutch wedge set from the first starting gear in a power mode. To ensure that the gap is normally within the range, the amount of assembly misalignment between the generator rotor hub and the one-way clutch sprag is typically regulated; if the clearance is smaller than the control tolerance, the use of the one-way clutch wedge block is abnormally abraded, and the engine cannot be started smoothly if the clearance is serious. Therefore, the utility model discloses an utensil generator rotor combines engine of mechanism the one way clutch outer loop in with prior art directly integrate on rotor wheel hub, so deviation and man-hour that reducible equipment caused can effectually ensure one way clutch normal use condition and life-span.
In one embodiment, the rotor may be located between the stator and the first starting gear, so that the rotor body may cut a magnetic field between the rotor and the stator to generate an induced electromotive force to generate power.
In an embodiment, the rotor may further include a cover covering the outer ring portion to provide an axial force to press the one-way clutch wedge set to limit the axial displacement of the one-way clutch wedge set.
The foregoing summary and the following detailed description are exemplary and are intended to further illustrate the scope of the present invention. Other objects and advantages of the present invention will become apparent from the following description and the accompanying drawings.
Drawings
Fig. 1 is an exploded view of an engine with a generator rotor coupling mechanism according to a preferred embodiment of the present invention.
Fig. 2 is a side view of the rotor and the first starting gear according to a preferred embodiment of the present invention.
Fig. 3 is an internal assembly diagram of a conventional engine.
Fig. 4 is an exploded view of a prior art engine.
Fig. 5 is a side view of a conventional rotor and a first starting gear.
Description of the main element symbols:
1 Engine
2 crankcase
20 containing space
21 crankcase body
22 crankcase cover
3 crankshaft
4 electric generator
41 rotor
411 rotor body
412 rotor hub
412a outer ring portion
413 cover body
4131 bolt
42 stator
5 one-way clutch wedge set
61 first starting gear
62 second starting gear
7 starting motor
71 Gear shaft
9 Engine
92 crankcase
920 accommodating space
921 crankcase body
922 crankcase cover
93 crankshaft
94 electric generator
941 rotor
9411 rotor body
9412 rotor hub
95 one-way clutch
951 one-way clutch wedge set
952 one-way clutch outer ring
953 bolt
961 first starting gear
962 second starting gear
97 starting motor
971 Gear shaft
D1, D2 Assembly gap
Detailed Description
Fig. 1 and 2 are an exploded view and a side view of an engine with a generator rotor coupling mechanism according to a preferred embodiment of the present invention, respectively. An engine 1 with a generator rotor combination mechanism is shown, which mainly comprises a crankcase 2, a crankshaft 3, a generator 4, a one-way clutch wedge set 5, a first starting gear 61, a second starting gear 62 and a starting motor 7.
The crankcase 2 includes a crankcase body 21 and a crankcase cover 22 coupled to the crankcase body 21, and the crankcase 2 has a receiving space 20 therein for receiving the generator 4, the one-way clutch wedge 5 and the first start gear 61. The crankshaft 3 is inserted into the crankcase 21 and supported by the crankcase 21 and the crankcase cover 22 for rotation. The generator 4 includes a rotor 41 and a stator 42, the rotor 41 is fixed on the crankshaft 3 and can rotate synchronously with the crankshaft 3, and the stator 42 is fixed on the crankcase cover 22. The rotor 41 includes a rotor body 411, a rotor hub 412 and a cover 413, the rotor body 411 is fixed to the rotor hub 412, and the rotor hub 412 has an outer ring portion 412 a. Further, the outer periphery of the one-way clutch sprag group 5 engages with the outer ring portion 412a, and the inner periphery thereof selectively engages with or disengages from the first starting gear 61, the first starting gear 61 being fitted over the crankshaft 3 in sliding engagement with the crankshaft 3. The rotor 41 is located between the stator 42 and the first starting gear 61, so that the rotor body 411 can cut a magnetic field between the rotor 41 and the stator 42 to generate induced electromotive force and generate power. The cover 413 covers the outer ring 412a, and in this embodiment, is locked to the outer ring 412a by a plurality of bolts 4131, providing an axial force to press the one-way clutch sprag set 5, so as to limit the axial displacement of the one-way clutch sprag set 5. The starter motor 7 is fixedly mounted to the crankcase body 21 and has a gear shaft 71 provided with a second starter gear 62 for providing a power output required for starting the engine, the second starter gear 62 engaging the first starter gear 61. The combination mechanism of the rotor 41 and the one-way clutch wedge set 5 can also be called as a starting component in the utility model, so that the rotor 41 can be connected with or cut off the power transmission with the starting motor 7.
The utility model is mainly characterized in that: the rotor hub 412 and the outer ring 412a are of an integrated structure, so that the assembling deviation and the assembling man-hour of the rotor hub 412 and the one-way clutch wedge set 5 can be reduced, and the normal use condition and the service life of the one-way clutch wedge set 5 can be ensured only by controlling the concentricity of the inner diameter of the rotor hub 412 and the rotor body 411.
The above embodiments are merely examples for convenience of description, and the claimed invention should not be limited to the above embodiments but should be limited only by the scope of the claims.
Claims (3)
1. An engine with a generator rotor combination mechanism is characterized by comprising:
the crankcase comprises a crankcase body and a crankcase cover connected with the crankcase body, and is provided with an accommodating space;
the crankshaft is arranged in the crankcase body in a penetrating way and is supported by the crankcase body and the crankcase cover;
a generator, accommodated in the accommodating space, including a rotor and a stator, the rotor is fixed on the crankshaft, the stator is fixed on the crankcase cover, the rotor includes a rotor body and a rotor hub, the rotor body is fixedly connected with the rotor hub, the rotor hub has an outer ring part;
a one-way clutch wedge set, the outer periphery of which engages the outer ring part, and the inner periphery of which can selectively engage or disengage a first starting gear, the first starting gear being in sliding fit with the crankshaft; and
the starting motor is fixedly arranged on the crankcase body and is provided with a gear shaft provided with a second starting gear, and the second starting gear is meshed with the first starting gear;
wherein, the rotor hub and the outer ring part are of an integrated structure.
2. An engine with a generator rotor coupling mechanism as claimed in claim 1 wherein the rotor is located between the stator and the first starter gear.
3. An engine with a generator rotor coupling mechanism as defined in claim 1 wherein the rotor further includes a cover covering the outer ring portion to provide an axial force to press the set of one-way clutch wedges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221000618.4U CN217440155U (en) | 2022-04-24 | 2022-04-24 | Engine with generator rotor combination mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221000618.4U CN217440155U (en) | 2022-04-24 | 2022-04-24 | Engine with generator rotor combination mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217440155U true CN217440155U (en) | 2022-09-16 |
Family
ID=83217393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221000618.4U Active CN217440155U (en) | 2022-04-24 | 2022-04-24 | Engine with generator rotor combination mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217440155U (en) |
-
2022
- 2022-04-24 CN CN202221000618.4U patent/CN217440155U/en active Active
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