CN213782987U

CN213782987U - Automobile starter rotor assembly

Info

Publication number: CN213782987U
Application number: CN202023090847.3U
Authority: CN
Inventors: 丁文忠
Original assignee: Taizhou Borun Automobile Electric Appliance Co ltd
Current assignee: Taizhou Borun Automobile Electric Appliance Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2021-07-23
Anticipated expiration: 2030-12-21

Abstract

The utility model discloses an automobile starter rotor assembly, which comprises a transmission shaft body; the transmission shaft body comprises a rotor mounting section, a rotation mounting section and a transmission mounting section, wherein the rotation mounting section and the transmission mounting section are positioned at two ends of the rotor mounting section; the rotor mounting section is provided with a starter rotor; wear to overlap on the rotation installation section to have and rotate the cover, wear to overlap on the transmission installation section to have the transmission cover, the utility model discloses improved the stability of whole starter installation after the installation is accomplished, can reduce the vibration that produces when the starter moves, reduce the noise of operation to improve automobile starter driven stability.

Description

Automobile starter rotor assembly

Technical Field

The utility model relates to an automobile starter technical field, concretely relates to automobile starter rotor assembly.

Background

With the continuous development of automobile technology, automobile engines gradually develop towards small displacement, high power and high efficiency. With this, the power delivered by the engine accessory train is greatly increased. In addition, when an engine in an automobile is started, a starter is used, and the starter can convert electric energy of a storage battery into mechanical energy to drive an engine flywheel to rotate so as to start the engine. The engine must be rotated by external force before operating under its own power. The process of the engine transitioning from a static state to self-running by means of external force is called starting of the engine. However, the existing automobile starter does not have a good damping function, and the influence of the vibration effect on the starter cannot be effectively weakened.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims to provide an automobile starter rotor assembly can reduce the starter vibration range to improve the stability of starter operation.

The utility model adopts the technical proposal that: an automobile starter rotor assembly comprises a transmission shaft body; the transmission shaft body comprises a rotor mounting section, a rotation mounting section and a transmission mounting section, wherein the rotation mounting section and the transmission mounting section are positioned at two ends of the rotor mounting section; the rotor mounting section is provided with a starter rotor; the transmission device comprises a transmission mounting section, a rotation mounting section, a transmission gear and a transmission shaft, wherein the rotation mounting section is sleeved with a rotation sleeve in a penetrating manner, the transmission mounting section is sleeved with a transmission sleeve in a penetrating manner, the periphery of the transmission mounting section is provided with outer transmission teeth, the inner peripheral wall of the transmission sleeve is provided with inner transmission teeth which are in transmission engagement with the transmission teeth, and the outer end face of the transmission sleeve is also fixedly provided with a power transmission gear; the outer side of the transmission mounting section corresponding to the transmission shaft body is further sleeved with a positioning ring, and the end face of the power transmission gear abuts against the positioning ring.

In this technical scheme, starter rotor assembly can accomplish in the starter casing, realizes low vibration stable rotation after the circular telegram. The starter is characterized in that the rotor mounting section of the transmission shaft body is used for mounting a starter rotor; the rotating mounting section at one end of the rotor mounting section is provided with a rotating sleeve which can be rotationally matched with a starter shell, the transmission mounting section at the other end of the rotor mounting section is provided with a transmission sleeve, power can be transmitted to the transmission sleeve through the rotation of the transmission shaft body under the transmission meshing of the inner transmission teeth and the outer transmission teeth, and a power transmission gear at the end face of the transmission sleeve can play a role in power distribution; the positioning ring can improve the stability of power transmission under the positioning of the transmission sleeve, thereby reducing the vibration amplitude of the starter after operation and improving the stability of the starter after operation.

Preferably, one end of the starter rotor, which is close to the transmission sleeve, is provided with a rotation mounting groove, and the end face of the rotation sleeve, which is far away from the power transmission gear, is provided with a rotation part which is matched with the rotation mounting groove in a rotation mode.

Preferably, the outer peripheral surface of the transmission shaft body mounting positioning ring is provided with a positioning groove, an anti-falling ring is embedded in the positioning groove, and the inner peripheral wall of the positioning ring is provided with a clamping groove clamped with the anti-falling ring.

Preferably, the rotating sleeve comprises an abutting portion and an installation portion, the abutting portion abuts against the end face of the starter rotor, and an installation hole is formed in the outer end face of the installation portion.

Preferably, the tail end of the rotating installation section is provided with a positioning part which is coaxially arranged with the installation hole, and the positioning part is in rotating fit with the starter shell.

Preferably, the transmission shaft body and the starter rotor are integrally formed and arranged.

The utility model has the advantages that: the starter rotor assembly provided by the utility model can be arranged in the starter shell, and the rotor mounting section of the transmission shaft body is used for mounting the starter rotor; the rotating mounting section at one end of the rotor mounting section is provided with a rotating sleeve which can be rotationally matched with a starter shell, the transmission mounting section at the other end of the rotor mounting section is provided with a transmission sleeve, power can be transmitted to the transmission sleeve through the rotation of the transmission shaft body under the transmission meshing of the inner transmission gear and the outer transmission gear, and a power transmission gear at the end surface of the transmission sleeve can play a role in power distribution, so that the mounting stability of the whole starter is improved after the mounting is finished, the vibration generated during the running of the starter can be reduced, the running noise is reduced, and the transmission stability of the automobile starter is improved; therefore, the utility model has higher practical value and popularization value.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is an installation perspective view of an automobile starter rotor assembly provided by the embodiment of the present invention.

Fig. 2 is a cross-sectional view of the rotor assembly of the automobile starter provided in the embodiment of the present invention.

Reference numerals: the starter comprises a transmission shaft body 100, a rotor mounting section 110, a rotating mounting section 120, a transmission mounting section 130, outer transmission teeth 140, a positioning groove 150, a positioning part 160, a starter rotor 200, a rotating mounting groove 210, a rotating sleeve 300, an abutting part 310, a mounting part 320, a transmission sleeve 400, inner transmission teeth 410, a power transmission gear 420, a rotating part 430, a positioning ring 500 and an anti-loose ring 600.

Detailed Description

Here, it is to be noted that the functions, methods, and the like related to the present invention are only conventional adaptive applications of the related art. Therefore, the present invention is an improvement of the prior art, and substantially lies in the connection relationship between hardware. The present invention is described for better illustration of the function and method for better understanding of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1 and 2, the present embodiment provides an automobile starter rotor assembly, which can be completed in a starter housing and realize stable rotation with low vibration after being powered on. The transmission shaft specifically comprises a transmission shaft body 100; the transmission shaft body 100 comprises a rotor mounting section 110, a rotation mounting section 120 and a transmission mounting section 130, wherein the rotation mounting section 120 and the transmission mounting section 130 are positioned at two ends of the rotor mounting section 110; a starter rotor 200 is arranged on the rotor mounting section 110; the rotating mounting section 120 is sleeved with a rotating sleeve 300 in a penetrating manner, the transmission mounting section 130 is sleeved with a transmission sleeve 400 in a penetrating manner, the periphery of the transmission mounting section 130 is provided with outer transmission teeth 140, the inner peripheral wall of the transmission sleeve 400 is provided with inner transmission teeth 410 which are in transmission engagement with the transmission teeth, and the outer end face of the transmission sleeve 400 is also fixedly provided with a power transmission gear 420; a positioning ring 500 is further sleeved on the outer side of the transmission mounting section 130 corresponding to the transmission shaft body 100, and the end surface of the power transmission gear 420 abuts against the positioning ring 500. In this embodiment, the rotor mounting section 110 of the transmission shaft body 100 is used for mounting the starter rotor 200; the rotating mounting section 120 at one end of the rotor mounting section 110 is provided with a rotating sleeve 300 which can be in rotating fit with a starter shell, the transmission mounting section 130 at the other end of the rotor mounting section 110 is provided with a transmission sleeve 400, power can be transmitted to the transmission sleeve 400 through the rotation of the transmission shaft body 100 under the transmission meshing of the inner transmission teeth 410 and the outer transmission teeth 140, and a power transmission gear 420 at the end surface of the transmission sleeve 400 can play a role in power distribution; the stability of power transmission can be improved under the positioning of the positioning ring 500 on the transmission sleeve 400, so that the vibration amplitude of the starter after running is reduced, and the running stability of the starter is improved. In practical application, transmission shaft body 100 and starter rotor 200 integrated into one piece arrange, adopt alloy integrated into one piece to make and can improve overall structure's stability and structural strength, compare split type and arrange and can reduce the vibration and the wearing and tearing that the transmission caused, still can reduce the noise of equipment operation, have higher practical value.

As shown in fig. 1 and fig. 2, in order to improve the stability of the driving sleeve 400 during operation, in this embodiment, a rotation mounting groove 210 is formed at one end of the starter rotor 200 close to the driving sleeve 400, and a rotation portion 430 rotatably fitted to the rotation mounting groove 210 is formed on an end surface of the rotation sleeve 300 away from the power transmission gear 420. In this way, the rotating portion 430 of the driving sleeve 400 can be rotatably fitted into the rotating mounting groove 210, so that the end of the driving sleeve 400 can be limited and stabilized, and the compactness of the structure can be improved, thereby ensuring the stability of installation and operation.

As shown in fig. 1 and 2, since the transmission sleeve 400 plays a role of power transmission, and the end of the transmission sleeve 400 where the power transmission gear 420 is arranged should be limited, in this embodiment, a positioning groove 150 is arranged on the outer circumferential surface of the transmission shaft body 100 where the positioning ring 500 is arranged, the positioning groove 150 is embedded with the anti-slip ring 600, and the inner circumferential wall of the positioning ring 500 is provided with a clamping groove for clamping the anti-slip ring 600. In this way, the positioning ring 500 can be stably fixed by the anti-slip ring 600, and the stability of the installation of the positioning ring 500 is ensured, so that one end of the power transmission gear 420 of the transmission sleeve 400 can stably abut against the positioning ring 500.

As shown in fig. 1 and 2, a rotating sleeve 300 for fittingly mounting the entire assembly on a starter housing includes an abutting portion 310 and a mounting portion 320, the abutting portion 310 abuts against an end surface of a starter rotor 200, and an outer end surface of the mounting portion 320 is provided with a mounting hole. And the end of the rotation mounting section 120 is provided with a positioning part 160 arranged coaxially with the mounting hole, and the positioning part 160 is in rotation fit with the starter casing. In this way, the abutting portion 310 of the rotating sleeve 300 can ensure that the rotating position of the starter rotor 200 does not deviate, the mounting hole of the mounting portion 320 can be mounted in a rotating fit with the corresponding mounting position of the starter housing, and the positioning portion 160 of the transmission shaft body 100 can also be mounted in a rotating fit with the starter housing, so that the end of the whole assembly can be stably mounted.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. An automobile starter rotor assembly which characterized in that: comprises a transmission shaft body (100);

the transmission shaft body (100) comprises a rotor mounting section (110), a rotating mounting section (120) and a transmission mounting section (130), wherein the rotating mounting section (120) and the transmission mounting section (130) are positioned at two ends of the rotor mounting section (110); a starter rotor (200) is arranged on the rotor mounting section (110); a rotating sleeve (300) is sleeved on the rotating installation section (120) in a penetrating manner, a transmission sleeve (400) is sleeved on the transmission installation section (130) in a penetrating manner, outer transmission teeth (140) are arranged on the periphery of the transmission installation section (130), inner transmission teeth (410) which are in transmission engagement with the outer transmission teeth (140) are arranged on the inner peripheral wall of the transmission sleeve (400), and a power transmission gear (420) is further fixed on the outer end face of the transmission sleeve (400);

the outer side of the transmission shaft body (100) corresponding to the transmission mounting section (130) is further sleeved with a positioning ring (500), and the end face of the power transmission gear (420) abuts against the positioning ring (500).

2. The automotive starter rotor assembly of claim 1, wherein: one end, close to the transmission sleeve (400), of the starter rotor (200) is provided with a rotation mounting groove (210), and a rotating portion (430) matched with the rotation mounting groove (210) in a rotating mode is arranged on the end face, deviating from the power transmission gear (420), of the rotating sleeve (300).

3. The automotive starter rotor assembly of claim 1, wherein: the outer peripheral face of the installation positioning ring (500) of the transmission shaft body (100) is provided with a positioning groove (150), an anti-release ring (600) is embedded in the positioning groove (150), and the inner peripheral wall of the positioning ring (500) is provided with a clamping groove clamped with the anti-release ring (600).

4. The automotive starter rotor assembly of claim 1, wherein: the rotating sleeve (300) comprises an abutting portion (310) and a mounting portion (320), the abutting portion (310) abuts against the end face of the starter rotor (200), and a mounting hole is formed in the outer end face of the mounting portion (320).

5. The automotive starter rotor assembly of claim 1, wherein: the tail end of the rotating installation section (120) is provided with a positioning part (160) which is coaxially arranged with the installation hole, and the positioning part (160) is in rotating fit with the starter shell.

6. The automotive starter rotor assembly of claim 1, wherein: the transmission shaft body (100) and the starter rotor (200) are integrally formed and arranged.