CN219176476U - Start motor integral isolator and engine - Google Patents
Start motor integral isolator and engine Download PDFInfo
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- CN219176476U CN219176476U CN202320687327.5U CN202320687327U CN219176476U CN 219176476 U CN219176476 U CN 219176476U CN 202320687327 U CN202320687327 U CN 202320687327U CN 219176476 U CN219176476 U CN 219176476U
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- friction pad
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- spiral sleeve
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Abstract
The utility model discloses a starting motor integrated isolator and an engine, comprising: the transmission gear is sleeved on the output shaft of the motor and is internally provided with a cavity; the friction pad is arranged in the cavity and sleeved on the output shaft, and is an elastic friction pad; the spiral sleeve is arranged in the cavity, sleeved on the output shaft and abutted against the friction pad; the transmission gear and the friction pad are fixedly connected with the spiral sleeve. The application provides a starter motor integral type isolator and engine through with drive gear, friction pad and spiral shell cover fixed connection, carries out precompaction through the compressibility of friction pad, can make spiral shell cover and drive gear friction moment be greater than the biggest starting moment of engine all the time, guarantees the steady start of engine.
Description
Technical Field
The utility model relates to the technical field of mechanical mechanisms, in particular to an integrated isolator for a starting motor. In addition, the utility model also relates to an engine comprising the isolator.
Background
The traditional engine starting motor adopts a split type isolator, a spiral sleeve, a rubber friction pad and a transmission gear of the isolator are of a split type structure, and when the spiral sleeve and the transmission gear are thrown out by inertia, the spiral sleeve and the transmission gear have different mass, so that the speed of the spiral sleeve and the transmission gear is different when the spiral sleeve and the transmission gear are thrown out, and the accuracy of transmitting torque is poor; because a gap exists between the spiral sleeve and the friction pad, water and oil dirt are easy to enter between the spiral sleeve and the friction pad, the spiral sleeve and the friction pad slide, the friction torque is insufficient, and enough torque cannot be transmitted to the engine, so that the engine cannot be started; because the spiral sleeve, the rubber friction pad and the transmission gear are arranged separately, the spiral sleeve, the transmission gear and the output shaft of the motor are easy to clamp, and the spiral sleeve, the transmission gear and the output shaft of the motor cannot be meshed with the flywheel to cause top teeth.
In summary, how to ensure stable starting of the engine is a problem to be solved by those skilled in the art.
Disclosure of Invention
Therefore, the utility model aims to provide the starting motor integrated isolator, and the transmission gear, the friction pad and the spiral sleeve are fixedly connected, and the elastic friction pad can compress and elastically pre-compress, so that the friction moment between the transmission gear and the spiral sleeve is always larger than the maximum starting moment of the engine, and the stable starting of the engine is ensured.
It is another object of the present utility model to provide an engine including the above-described isolator.
In order to achieve the above object, the present utility model provides the following technical solutions:
a starter motor integrated isolator comprising:
the transmission gear is sleeved on the output shaft of the motor and is internally provided with a cavity;
the friction pad is arranged in the cavity and sleeved on the output shaft, and is an elastic friction pad;
the spiral sleeve is arranged in the cavity, sleeved on the output shaft and abutted against the friction pad;
the transmission gear and the friction pad are fixedly connected with the spiral sleeve.
Preferably, the friction pad and the spiral sleeve are annular members, and the friction pad and the spiral sleeve are coaxially arranged.
Preferably, the inner wall of the cavity of the transmission gear is provided with a clamping groove, and a clamping piece is arranged in the clamping groove and used for fixing the spiral sleeve and the friction pad in the cavity.
Preferably, one end of the transmission gear, which is close to the base body of the motor, is provided with a sheath, the sheath is an annular piece, the spiral sheath is fixed on the sheath, the sheath is fixedly connected with the transmission gear, and the friction pad is arranged between the transmission gear and the sheath.
Preferably, one end of the transmission gear, which is far away from the base body of the motor, is abutted to the base, the base is fixedly connected with the elastic piece, and the elastic piece is fixedly connected with the shaft end check ring.
An engine comprises a starting motor integrated isolator, wherein the starting motor integrated isolator is any one of the starting motor integrated isolator.
According to the starting motor integrated unidirectional machine provided by the utility model, the friction pad and the spiral sleeve are arranged in the cavity of the transmission gear, the transmission gear and the friction pad are fixedly connected with the spiral sleeve, the friction pad arranged in the cavity is an elastic friction pad, and the compressible elasticity of the friction pad can be utilized for pre-compression, so that the friction torque between the transmission gear and the spiral sleeve is always larger than the maximum starting torque of the engine, and the stable starting of the engine can be ensured.
In addition, when transmission gear, friction pad and spiral shell cover fixed connection closely paste, can effectually prevent that water or greasy dirt from getting into the friction surface, avoid skidding in the start-up process.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of an assembled position of a first starter motor integrated isolator according to the present utility model;
FIG. 2 is a cross-sectional view of a first starter motor integrated isolator provided by the present utility model;
FIG. 3 is an exploded view of a first starter motor integrated isolator according to the present utility model;
FIG. 4 is a schematic view of an assembled position of a second starter motor integrated isolator according to the present utility model;
FIG. 5 is a cross-sectional view of a second starter motor integrated isolator provided by the present utility model;
fig. 6 is an exploded view of a second starter motor integrated isolator according to the present utility model.
In fig. 1 to 6, reference numerals include:
the friction plate comprises a transmission gear 1, a friction pad 2, a spiral sleeve 3, a clamping piece 4, a sleeve 5, a base 6, an elastic piece 7, a shaft end check ring 8 and a motor 9.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model aims to provide a starting motor integrated isolator, and the starting of an engine can be ensured by using the integrated isolator.
Another core of the present utility model is to provide an engine comprising the above-mentioned isolator.
Referring to fig. 1 to 6, the present application provides a starter motor integrated isolator, which includes: the transmission gear 1, the friction pad 2 and the spiral sleeve 3 are sleeved on the output shaft of the motor 9, and a cavity is formed in the transmission gear 1; the friction pad 2 is arranged in the cavity and sleeved on the output shaft, and the friction pad 2 is an elastic friction pad; the spiral sleeve 3 is arranged in the cavity, and the spiral sleeve 3 is sleeved on the output shaft and is abutted against the friction pad 2; the transmission gear 1 and the friction pad 2 are fixedly connected with the spiral sleeve 3.
Specifically, the center shaft of the transmission gear 1 is provided with a perforation so that the transmission gear 1 is sleeved on the output shaft of the motor 9, the transmission gear 1, the friction pad 2 and the spiral sleeve 3 are fixedly connected, the friction pad 2 and the spiral sleeve 3 are arranged in the inner cavity of the transmission gear 1, the friction pad 2 is arranged between the transmission gear 1 and the spiral sleeve 3, and the friction pad 2 is an elastic friction pad, so that precompaction can be carried out to a set value in a compression elastic mode, the friction torque of the spiral sleeve 3 and the transmission gear 1 is always larger than the maximum starting torque of the engine, and slipping can be effectively prevented from occurring during starting.
In addition, transmission gear 1, friction pad 2 and spiral shell 3 fixed connection can make the inseparable laminating of three, can effectively prevent that water and greasy dirt from getting into the friction surface, and the skid when avoiding starting.
Alternatively, the friction pad 2 may be a rubber friction pad.
On the basis of the embodiment, the friction pad 2 and the spiral sleeve 3 are annular members, and the friction pad 2 and the spiral sleeve 3 are coaxially arranged.
Specifically, the friction pad 2 and the spiral sleeve 3 are annular members, and through the coaxial arrangement of the friction pad 2 and the spiral sleeve 3, the concentricity of the inner hole of the spiral sleeve 3 and the inner hole of the transmission gear 5 can ensure that the latch phenomenon can not occur when the transmission gear 1, the friction pad 2 and the spiral sleeve 3 move along the output shaft of the motor 9, and the stable starting of the engine is ensured.
On the basis of the embodiment, the inner wall of the cavity of the transmission gear 1 is provided with a clamping groove, the clamping groove is internally provided with a clamping piece 4, and the clamping piece 4 is used for fixing the spiral sleeve and the friction pad in the cavity.
Specifically, the first integral type isolator that this application provided sets up the draw-in groove through the cavity inner wall at drive gear 1, through setting up joint spare 4 in the inside of draw-in groove, is fixed in drive gear's inside with spiral shell 3 and friction pad 2 through joint spare 4, realizes through joint spare 4 that the fixed of spiral shell 3 and friction pad 2 can guarantee that friction pad 2 and the hole concentricity of spiral shell 3 prevent the latch.
During assembly, the friction pad 2 is firstly arranged in the transmission gear 1 in a tool positioning mode, then the spiral sleeve 3 is arranged in the tool positioning mode, concentricity between the transmission gear 1 and the spiral sleeve 3 can be ensured in the process, and finally the clamping piece 4 is inserted into the clamping groove, so that integrated assembly is realized.
Optionally, the clamping member 4 is detachably connected with the transmission gear 1, so that the friction pad 2 in the transmission gear 1 can be replaced at any time.
In some embodiments, a jacket 5 is disposed at one end of the transmission gear 1 near the base body of the motor 9, the jacket 5 is an annular member, the spiral jacket 3 is fixed on the jacket 5, the jacket 5 is fixedly connected with the transmission gear 1, and the friction pad 2 is disposed between the transmission gear 1 and the jacket 5.
Specifically, the second integrated isolator provided by the application is characterized in that a wrap 5 is arranged on one side, close to a motor 9, of a transmission gear 1, and the transmission gear 1, the friction pad 2 and the spiral sleeve 3 are fixedly connected through the wrap.
During assembly, the spiral sleeve 3 is firstly arranged in the sleeve 5, then the friction pad 2 is arranged, then the whole device is arranged in the transmission gear 1, and the edge of the sleeve 5 is fixedly connected with the transmission gear 1, so that the fixed connection of the transmission gear 1, the friction pad 2 and the spiral sleeve 3 is realized.
Optionally, the sheath 5 and the transmission gear 1 can be fixedly connected in a riveting manner.
On the basis of the embodiment, one end of the transmission gear 1, which is far away from the matrix of the motor 9, is abutted to the base 6, the base 6 is fixedly connected with the elastic piece 7, and the elastic piece 7 is fixedly connected with the shaft end check ring 8.
Specifically, one end of the transmission gear 1, which is far away from the matrix of the motor 9, is abutted against the base 6, when the motor 9 is started, the integrated isolator of the starting motor is thrown away along the output shaft of the motor 9 in the direction far away from the motor 9 under the action of inertia, the base 6 is pushed, the elastic piece 7 is compressed through the base 6, after the base 6 abuts against the shaft end retainer ring 8, the gear of the isolator is meshed with the engine flywheel to be started, the starting process of the engine is completed, and after the motor 9 is powered off, the elastic piece 7 returns to be separated from the engine flywheel.
Alternatively, the elastic member 7 may be a spring.
Besides the starting motor integrated isolator, the utility model also provides an engine comprising the integrated isolator disclosed in the above embodiment, and the structure of other parts of the engine is referred to the prior art, and will not be described herein.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The starting motor integrated isolator and the engine provided by the utility model are described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (6)
1. A starter motor integrated isolator comprising:
the transmission gear (1) is sleeved on the output shaft of the motor (9), and a cavity is formed in the transmission gear (1);
the friction pad (2) is arranged in the cavity and sleeved on the output shaft, and the friction pad (2) is an elastic friction pad;
the spiral sleeve (3) is arranged in the cavity, and the spiral sleeve (3) is sleeved on the output shaft and is abutted against the friction pad (2);
the transmission gear (1) and the friction pad (2) are fixedly connected with the spiral sleeve (3).
2. The starter motor integrated isolator according to claim 1, characterized in that the friction pad (2) and the screw sleeve (3) are ring-shaped members, and the friction pad (2) and the screw sleeve (3) are coaxially arranged.
3. The starter motor integrated isolator according to claim 2, wherein a clamping groove is formed in the inner wall of the cavity of the transmission gear (1), a clamping piece (4) is arranged in the clamping groove, and the clamping piece (4) is used for fixing the spiral sleeve (3) and the friction pad (2) in the cavity.
4. The starter motor integrated isolator according to claim 2, wherein a wrap (5) is arranged at one end of the transmission gear (1) close to the base body of the motor (9), the wrap (5) is an annular piece, the spiral sleeve (3) is fixed on the wrap (5), the wrap (5) is fixedly connected with the transmission gear (1), and the friction pad (2) is arranged between the transmission gear (1) and the wrap (5).
5. The starter motor integrated isolator according to any one of claims 1 to 4, characterized in that one end of the transmission gear (1) away from the base body of the motor (9) abuts against the base (6), the base (6) is fixedly connected with the elastic member (7), and the elastic member (7) is fixedly connected with the shaft end retainer ring (8).
6. An engine comprising a starter motor integrated isolator as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687327.5U CN219176476U (en) | 2023-03-31 | 2023-03-31 | Start motor integral isolator and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320687327.5U CN219176476U (en) | 2023-03-31 | 2023-03-31 | Start motor integral isolator and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219176476U true CN219176476U (en) | 2023-06-13 |
Family
ID=86677588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320687327.5U Active CN219176476U (en) | 2023-03-31 | 2023-03-31 | Start motor integral isolator and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219176476U (en) |
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2023
- 2023-03-31 CN CN202320687327.5U patent/CN219176476U/en active Active
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