Motorcycle starting motor
By designing an asymmetric slide rail and a detachable assembly for the motorcycle starter motor, the problem of the starter motor being damaged under high engine speeds was solved, thus achieving both reliability and ease of maintenance for the starter motor.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-04-07
AI Technical Summary
Existing motorcycle starter motors are easily damaged after the engine starts, and the disconnect device wears out quickly, making it difficult to effectively prevent damage to the starter motor at high engine speeds.
A motorcycle starter motor is designed, comprising a housing, end cap, connecting mechanism, sealing mechanism, transmission mechanism, and disengagement component. The transmission is disconnected at high engine speeds through an asymmetrical groove design and the disengagement component, preventing damage and allowing for the removal and replacement of worn parts.
It effectively prevents drag damage to the starter motor under high engine speed, extends its service life, and the wear parts can be disassembled and replaced, improving the reliability and maintenance convenience of the starter motor.
Smart Images
Figure CN224093488U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to starting motor technical field, specifically relates to a motorcycle starting motor. BACKGROUND
[0002] Starting motor is the core component of automobile starting system, is responsible for the electric energy conversion of battery into mechanical energy, drives the engine flywheel rotation with gear transmission to realize ignition starting. After the engine starts, the engine speed will be faster than the starting motor speed, resulting in the engine dragging the starting motor, so it is necessary to set the disengaging device on the starting motor, so that the gear of the starting motor is disconnected from the shaft after the engine starts, preventing the engine from dragging the starting motor. SUMMARY
[0003] The summary part of the present application is used to introduce the concept in a brief form, which will be described in detail in the specific embodiment part. The summary part of the present application is not intended to identify the key features or essential features of the claimed technical solution, nor is it intended to limit the scope of the claimed technical solution.
[0004] In order to solve the technical problems mentioned in the background part, some embodiments of the present application provide a motorcycle starting motor, comprising a shell, an end cover, a connecting mechanism arranged on the shell and the end cover, a shaft rod arranged through the end cover, a sealing mechanism arranged on the end cover, a transmission mechanism arranged on the shaft rod; The transmission mechanism comprises a base arranged on the shaft rod, a first sliding groove fixedly arranged on the base and the shaft rod, a second sliding groove fixedly arranged on the base and the shaft rod, a first sliding block arranged on the first sliding groove, a second sliding block arranged on the second sliding groove, a fixing assembly arranged on the base and the shaft rod, an engagement assembly arranged on the base, and a plurality of disengaging assemblies arranged on the base.
[0005] Specifically, the connecting mechanism comprises a first through hole fixedly arranged symmetrically on the shell, a first threaded hole fixedly arranged symmetrically on the end cover, and a first threaded rod rotatably arranged through the first through hole and engaged with the first threaded hole.
[0006] Specifically, the sealing mechanism comprises a first mounting groove fixedly arranged on the end cover, a sealing ring arranged on the shaft rod and arranged in the mounting groove, a fastening spring arranged on the sealing ring, a first protruding ring fixedly arranged on the sealing ring, and a second protruding ring fixedly arranged on the sealing ring.
[0007] Specifically, the fixing assembly comprises a third sliding groove fixedly arranged symmetrically on the shaft rod, a cover plate slidingly arranged on the third sliding groove, a first screw arranged on the cover plate and the shaft rod, and a plurality of second screws arranged on the cover plate and the base.
[0008] Specifically, the engagement assembly comprises a sleeve ring arranged on the base, and a gear ring fixedly arranged on the sleeve ring.
[0009] Specifically, the disengagement assembly comprises a fourth sliding groove fixed on the base, a fifth sliding groove fixed on the base, a limiting block fixed on the fifth sliding groove, a spring seat sliding on the fifth sliding groove, a sixth sliding groove fixed symmetrically on the base and the cover plate, a roller sliding on the sixth sliding groove, a roller seat sleeved on the roller, and a plurality of first springs having one end fixed on the roller seat and the other end fixed on the spring seat.
[0010] The utility model discloses the beneficial effects are:
[0011] (1) the second sliding groove is the keyway, and the second sliding groove is arranged asymmetrically with the first sliding groove, and the second sliding groove can fix the installation direction of the base, since the rotating direction of the engine shaft is fixed, the rotating direction of the shaft of the starting motor is also fixed, in order to disengagement assembly can work correctly, therefore the installation direction of the base can not change, and the second sliding groove and the second sliding block can prevent the installation direction of the base from being wrong.
[0012] (2) the disengagement assembly can disconnect the transmission between the meshing assembly and the base when the engine speed is higher than the starting motor speed, avoids the high speed of engine to drag the starting motor, and simultaneously the starting motor is used as the device of high frequency, wherein the disengagement assembly plays the core disengagement function, and therefore wears faster, and the disengagement assembly in the utility model can be disassembled and replaced.
[0013] (3) when the engine is stationary, the starting motor works, the shaft drives the base to rotate, under the action of friction, the base drives the sleeve ring to rotate through the roller, and then drives the engine starting flywheel to rotate through the gear ring, and starts the engine, when the engine works, the engine speed is higher than the upper limit of the starting motor speed, at this moment, the gear ring reversely rotates relative to the base, the gear ring makes the roller roll on the sixth sliding groove, and disconnects the transmission between the gear ring and the base. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The drawings illustrate embodiments of the present application and, together with their description, serve to explain the application.
[0015] In addition, throughout the drawings, same or similar reference numerals are used to represent same or similar elements. It should be understood that the drawings are schematic, and elements and elements are not necessarily drawn according to scale.
[0016] In the drawings:
[0017] Figure 1 is a structural schematic view of the utility model;
[0018] Figure 2The right view of the utility model;
[0019] Figure 3 For Figure 2 The line section view of A-A;
[0020] Figure 4 For Figure 3 The local enlarged view of B;
[0021] Figure 5 For Figure 3 The local enlarged view of C;
[0022] Figure 6 For Figure 3 The line section view of D-D;
[0023] Figure 7 For Figure 6 The local enlarged view of E;
[0024] Figure 8 For Figure 3 The partial line section view of F-F. DETAILED DESCRIPTION
[0025] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure can be implemented in various forms, and should not be interpreted as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided so as to more thoroughly and completely understand the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes, and are not intended to limit the scope of protection of the present disclosure.
[0026] In addition, it should be further noted that, for the convenience of description, only parts related to the utility model are shown in the drawings. The embodiments in the present disclosure and the features in the embodiments can be combined with each other without conflict.
[0027] It should be noted that the concepts of "first", "second", etc. mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.
[0028] It should be noted that the modification of "one" or "multiple" in the present disclosure is illustrative rather than limiting, and those skilled in the art should understand that, unless otherwise explicitly indicated in the context, it should be understood as "one or more".
[0029] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
[0030] Reference Figures 1-7The utility model discloses a motorcycle starting motor, including casing 1, end cover 2, the connecting mechanism 3 of being located on casing and end cover, the shaft rod 4 of being located on the end cover and being penetrated, the sealing mechanism 5 of being located on the end cover, the transmission mechanism 6 of being located on the shaft rod, the transmission mechanism includes the base 61 of being located on the shaft rod, the first sliding slot 62 of being fixedly installed on the base and the shaft rod, the second sliding slot 63 of being fixedly installed on the base and the shaft rod, the first sliding block 64 of being located on the first sliding slot, the second sliding block 65 of being located on the second sliding slot, the fixed component 66 of being located on the base and the shaft rod, the meshing component 67 of being located on the base, the plurality of disengagement component 68 of being located on the base, the casing, the end cover and the shaft body are prior art, and the connecting mechanism is used to connect the fixed end cover and casing, the sealing mechanism is used to seal the gap between the end cover and the shaft body, the base can be detached from the shaft body, and the base is convenient to replace, the first sliding slot is a keyway, the first sliding block can connect the base and the shaft body, and the shaft body rotates and drives the base to rotate through the first sliding block, the second sliding slot is a keyway, the second sliding slot and the first sliding slot are asymmetrically arranged, the second sliding slot can fix the mounting direction of the base, since the rotating direction of the engine shaft rod is fixed, the rotating direction of the shaft rod of the starting motor is also fixed, in order to make the disengagement component work correctly, the mounting direction of the base can not be changed, the second sliding slot and the second sliding block can prevent the mounting direction of the base from being wrong, the second sliding block is same as the first sliding block, and can play the role of connecting the base and the shaft body, the fixed component is used to fix the base, fixes the base on the shaft body, and limits the disengagement component at the same time, the disengagement component can disconnect the transmission between the meshing component and the base when the rotating speed of the engine is higher than the rotating speed of the starting motor, avoids the starting motor from being damaged by the high rotating speed of the engine, and the starting motor is used as a high-frequency device, wherein the disengagement component plays a core disengagement role, and therefore is worn out faster, and the disengagement component in the utility model can be detached and replaced.
[0031] Specifically, the connecting mechanism includes the first through hole 31 fixedly arranged on the casing, the first threaded hole 32 fixedly arranged on the end cover, and the first threaded rod 33 rotatably penetrating the first through hole and engaged with the first threaded hole; when installing the end cover, the first threaded rod is passed through the first through hole, the first threaded rod is rotated, and the first threaded rod is screwed into the first threaded hole, so that the end cover is connected with the casing.
[0032] Specifically, the sealing mechanism includes the first mounting groove 51 fixedly arranged on the end cover, the sealing ring 52 sleeved on the shaft rod and arranged in the mounting groove, the fastening spring 53 sleeved on the sealing ring, the first protruding ring 54 fixedly arranged on the sealing ring, and the second protruding ring 55 fixedly arranged on the sealing ring; the fastening spring can buckle the sealing ring on the shaft rod, the first protruding ring is in contact with the shaft rod, the contact surface is lubricated, and the first protruding ring and the second protruding ring can prevent impurities from entering the inside of the starting motor.
[0033] Specifically, the fixing assembly comprises a third sliding groove 661 symmetrically fixed on the shaft, a cover plate 662 slidingly arranged on the third sliding groove, a first screw 663 arranged on the cover plate and the shaft, and a plurality of second screws 664 arranged on the cover plate and the base; the third sliding groove is used to limit the mounting direction of the cover plate, so that the screw holes on the cover plate can be aligned with the screw holes on the base; the first screw is used to fix the cover plate and the base on the shaft, and the second screw is used to fix the cover plate on the base.
[0034] Specifically, the engaging assembly comprises a sleeve ring 671 sleeved on the base and a gear ring 672 fixed on the sleeve ring; the sleeve ring and the base are in contact and are driven by the disengaging assembly; the gear ring is engaged with the starting flywheel of the engine.
[0035] Specifically, the disengaging assembly comprises a fourth sliding groove 681 fixed on the base, a fifth sliding groove 682 fixed on the base, a limiting block 683 fixed on the fifth sliding groove, a spring seat 684 slidingly arranged on the fifth sliding groove, a sixth sliding groove 685 symmetrically fixed on the base and the cover plate, a roller 686 slidingly arranged on the sixth sliding groove, a roller seat 687 sleeved on the roller, and a plurality of first springs 688, one end of each of which is fixed on the roller seat and the other end of each of which is fixed on the spring seat; one end of the fourth sliding groove is narrower than the other end; during installation, the spring seat can be inserted into the fifth sliding groove, the limiting block can prevent the spring seat from falling out of the fifth sliding groove when the base rotates, and the spring seat and the roller can be conveniently replaced; the sixth sliding groove can limit the movement direction of the roller to prevent the roller from being thrown when the base rotates; the roller is in contact with the inner wall of the sleeve ring; when the engine is stationary, the starting motor works, the shaft drives the base to rotate, under the action of friction, the base drives the sleeve ring to rotate through the roller, and then drives the engine starting flywheel to rotate through the gear ring, thereby starting the engine; when the engine works, the engine rotates at a speed higher than the upper limit of the starting motor, at this time, the gear ring rotates in the opposite direction relative to the base, the gear ring makes the roller roll on the sixth sliding groove, and the gear ring is disconnected from the base, that is, a one-way overrunning clutch.
[0036] The above description is only some of the preferred embodiments of the present disclosure and a description of the principles of the technology applied. Those skilled in the art should understand that the utility model range involved in the embodiments of the present disclosure is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or equivalent features without departing from the above utility model concept. For example, the above features are replaced with each other to form a technical solution with similar functions disclosed in the embodiments of the present disclosure (but not limited to).
Claims
1. A motorcycle starter motor, characterized in that: It includes a housing (1), an end cap (2), a connecting mechanism (3) provided on the housing and the end cap, a shaft (4) passing through the end cap, a sealing mechanism (5) provided on the end cap, and a transmission mechanism (6) provided on the shaft; the transmission mechanism includes a base (61) sleeved on the shaft, a first slide groove (62) fixedly provided on the base and the shaft, a second slide groove (63) fixedly provided on the base and the shaft, a first slider (64) provided on the first slide groove, a second slider (65) provided on the second slide groove, a fixing component (66) provided on the base and the shaft, an engagement component (67) sleeved on the base, and multiple disengagement components (68) provided on the base.
2. A motorcycle starter motor according to claim 1, characterized in that: The connecting mechanism includes a first through hole (31) symmetrically fixed on the housing, a first threaded hole (32) symmetrically fixed on the end cap, and a first threaded rod (33) rotatably passing through the first through hole and engaging with the first threaded hole.
3. A motorcycle starter motor according to claim 1, characterized in that: The sealing mechanism includes a first mounting groove (51) fixed on the end cover, a sealing ring (52) sleeved on the shaft and located on the mounting groove, a fastening spring (53) sleeved on the sealing ring, a first convex ring (54) fixed on the sealing ring, and a second convex ring (55) fixed on the sealing ring.
4. A motorcycle starter motor according to claim 1, characterized in that: The fixing assembly includes a third slide groove (661) symmetrically fixed on the shaft, a cover plate (662) slidably disposed on the third slide groove, a first screw (663) disposed on the cover plate and the shaft, and a plurality of second screws (664) disposed on the cover plate and the base.
5. A motorcycle starter motor according to claim 1, characterized in that: The engagement assembly includes a collar (671) sleeved on the base and a toothed ring (672) fixed on the collar.
6. A motorcycle starter motor according to claim 4, characterized in that: The disengagement assembly includes a fourth slide groove (681) fixed on the base, a fifth slide groove (682) fixed on the base, a limiting block (683) fixed on the fifth slide groove, a spring seat (684) slidably disposed on the fifth slide groove, a sixth slide groove (685) symmetrically fixed on the base and the cover plate, a roller (686) slidably disposed on the sixth slide groove, a roller seat (687) sleeved on the roller, and a plurality of first springs (688) with one end fixed on the roller seat and the other end fixed on the spring seat.