CN213783029U

CN213783029U - Transmission shaft assembly of automobile generator

Info

Publication number: CN213783029U
Application number: CN202022990969.1U
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: 2020-12-14
Filing date: 2020-12-14
Publication date: 2021-07-23
Anticipated expiration: 2030-12-14

Abstract

The utility model discloses an automobile power generation machine transmission shaft assembly, including the transmission shaft body, the transmission shaft body includes the rotor installation section, is located the bearing installation section at rotor installation end both ends, the utility model provides an automobile power generation machine transmission shaft assembly's transmission shaft body is used for driving the generator and rotates, has improved the stability of whole power generation facility installation after the installation is accomplished, can reduce the vibration that produces when the generator operation, reduces the noise of operation to improve automobile power generation machine driven stability.

Description

Transmission shaft assembly of automobile generator

Technical Field

The utility model relates to an automobile power generation machine technical field, concretely relates to automobile power generation machine transmission shaft 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 order to reduce the problems of the aggravation of vibration impact of the engine, the increase of noise and the reduction of the service life of parts caused by the aggravation, the one-way belt pulley is applied to the automobile generator. The one-way belt pulley of the automobile generator mainly functions by the one-way function of the one-way bearing. The one-way bearing working ramp of the traditional one-way belt pulley of the automobile generator is generally arranged on a single bearing ring, and the traditional automobile generator transmission system has the defects of low stability, high noise and the like, so that the use cost and the vehicle using risk are increased.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims to provide an automobile power generation machine transmission shaft assembly can reduce the vibration that produces when the generator operation to improve automobile power generation machine driven stability.

The utility model adopts the technical proposal that: a transmission shaft assembly of an automobile generator comprises a transmission shaft body, wherein the transmission shaft body comprises a rotor mounting section and bearing mounting sections positioned at two ends of the rotor mounting end, rotating bearings are matched on the bearing mounting sections, a belt wheel mounting section is arranged on the outer side of one bearing mounting section, and a heat dissipation shell positioning section is arranged on the outer side of the other bearing mounting section; install the heat dissipation shell spacer on the rolling bearing of heat dissipation shell spacer one side, heat dissipation shell spacer edge is equipped with a plurality of fixed parts of radially arranging along the rolling bearing, the fixed part supports and leans on the lateral surface of generator heat dissipation casing, still be equipped with the set screw who arranges along transmission shaft body axial on the fixed part, the band pulley installation section can be dismantled and be connected with driving pulley, be equipped with multichannel band pulley groove in the driving pulley periphery.

In the technical scheme: the transmission shaft body of the transmission shaft assembly of the automobile generator is used for driving the generator to rotate, wherein the rotor of the generator is arranged on the rotor mounting section of the transmission shaft body, the bearing mounting section can be in interference fit with the bearing of the transmission shaft body to ensure that the transmission shaft body stably rotates in a generator shell at high speed, the belt wheel mounting section of the transmission shaft body can be used for stably mounting a transmission belt wheel for driving, the heat dissipation shell positioning piece on the heat dissipation shell positioning section can fix the heat dissipation shell of the generator, when the heat dissipation shell positioning piece is mounted, the fixing part at the edge of the heat dissipation shell positioning piece is abutted against the outer side surface of the heat dissipation shell of the generator to prevent the heat dissipation shell from vibrating, the stability of operation is improved, the fixing screw rod can be fixed with a vehicle mounting structure, the stability of the installation of the whole generating set is further improved, the vibration generated when the generator operates can be reduced, and the noise of operation is reduced, thereby improving the stability of the transmission of the automobile generator.

Preferably, the periphery of the bearing installation section on one side of the heat dissipation shell positioning section is provided with oppositely arranged clamping grooves, the bearing installation section is sleeved with a clamping ring in a penetrating manner, the inner wall of the clamping ring is provided with clamping protrusions clamped into the clamping grooves, and a bearing installed on the bearing installation section is abutted to the clamping ring.

Preferably, the periphery of the bearing mounting section at the positioning section of the heat dissipation shell is provided with a first limiting shaft shoulder, and the clamping ring is abutted against the first limiting shaft shoulder.

Preferably, a positioning ring is sleeved on the bearing mounting section on one side of the belt wheel mounting section, and a conical abutting part abutting against the rotating bearing is arranged on the end face of the positioning ring.

Preferably, a second limiting shaft shoulder is arranged on the periphery of the bearing mounting section on one side of the belt wheel mounting section, and the positioning ring is abutted against the second limiting shaft shoulder.

Preferably, the outer end face of the driving belt wheel is provided with an inner hexagonal fixing hole, and a fixing bolt for fixing the driving shaft body is arranged in the inner hexagonal fixing hole.

The utility model has the advantages that: the utility model provides a transmission shaft body of automobile generator transmission shaft assembly is used for driving the generator to rotate, improves the stability of the installation of the whole generating set after the installation is finished, can reduce the vibration generated when the generator operates, reduces the operation noise, thereby improving the stability of the transmission of the automobile generator; 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 a transmission shaft assembly of an automobile generator provided in an embodiment of the present invention.

Fig. 2 is a transmission shaft body structure diagram of the transmission shaft assembly of the automobile generator according to the embodiment of the present invention.

Reference numerals: the transmission shaft comprises a transmission shaft body 100, a rotor mounting section 110, a bearing mounting section 120, a belt wheel mounting section 130, a heat dissipation shell positioning section 140, a clamping groove 150, a first limiting shaft shoulder 160, a second limiting shaft shoulder 180, a rotary bearing 200, a heat dissipation shell positioning piece 300, a fixing part 310, a fixing screw 400, a transmission belt wheel 500, an inner hexagonal fixing hole 510, a clamping ring 600 and a positioning ring 700.

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 a transmission shaft assembly of an automobile generator, which can improve the stability of the installation of the automobile generator, reduce the vibration generated during the operation of the generator, and reduce the operation noise, thereby improving the stability of the transmission of the automobile generator. The transmission shaft mainly comprises a transmission shaft body 100, wherein the transmission shaft body 100 comprises a rotor mounting section 110 and bearing mounting sections 120 positioned at two ends of the rotor mounting end, the bearing mounting sections 120 are matched with rotating bearings 200, a belt wheel mounting section 130 is arranged on the outer side of one bearing mounting section 120, and a heat dissipation shell positioning section 140 is arranged on the outer side of the other bearing mounting section 120; install heat dissipation shell spacer 300 on the rolling bearing 200 of installing heat dissipation shell locating section one side, heat dissipation shell spacer 300 edge is equipped with a plurality of fixed parts 310 of radially arranging along the rolling bearing, fixed part 310 supports and leans on the lateral surface of generator heat dissipation casing, still be equipped with on the fixed part 310 along the fixed screw 400 of 100 axial arrangements of transmission shaft body, band pulley installation section 130 can dismantle and be connected with driving pulley 500, be equipped with multichannel band pulley groove in the driving pulley 500 periphery. Transmission shaft body 100 of automobile power generation machine transmission shaft assembly is used for driving the generator to rotate in this embodiment, wherein the rotor of generator is installed on rotor installation section 110 of transmission shaft body 100, bearing installation section 120 can with transmission shaft body 100 bearing interference fit, ensure that transmission shaft body 100 rotates at a high speed in the generator shell is stable, can be used for the driving pulley 500 of stable installation on the band pulley installation section 130 of transmission shaft body 100, and the heat dissipation shell locating piece 300 on the heat dissipation shell locating section 140 can then fix the heat dissipation shell of generator, when the installation, the fixed part 310 at heat dissipation shell locating piece 300 edge supports and leans on the lateral surface of the heat dissipation shell of generator, prevent the vibration of heat dissipation shell, improve the stability of operation, and set screw 400 can also be fixed with vehicle mounting structure mutually.

As shown in fig. 1, in order to improve the stability of the rotating bearing located at one side of the heat dissipation housing positioning section 140, in this embodiment, the periphery of the bearing installation section 120 located at one side of the heat dissipation housing positioning section 140 is provided with oppositely arranged clamping grooves 150, the bearing installation section 120 is sleeved with a clamping ring 600, the inner wall of the clamping ring 600 is provided with a clamping protrusion clamped into the clamping groove 150, and the bearing installed on the bearing installation section 120 abuts against the clamping ring 600. And a first limit shoulder 160 is provided on the outer circumference of the bearing mounting section 120 located at the heat-dissipating housing positioning section 140, and the snap ring 600 abuts against the first limit shoulder 160. In this way, the first limit shoulder 160 can stably mount the snap ring 600, thereby enabling the rolling bearing to be stably mounted. Similarly, in order to stably mount the other rotary bearing, the positioning ring 700 is sleeved on the bearing mounting section 120 on one side of the pulley mounting section 130, and the end surface of the positioning ring 700 is provided with a conical abutting part abutting against the rotary bearing. And a second limit shoulder 180 is provided on the outer circumference of the bearing mounting section 120 on the pulley mounting section 130 side, and the positioning ring 700 abuts against the second limit shoulder 180. Spacing shoulder 180 of second can stably install holding ring 700 to the toper that makes holding ring 700 supports for the rolling bearing provides the terminal surface, is favorable to improving rolling bearing's stability against the portion.

As mentioned above, the driving pulley 500 is detachably mounted at the end of the driving shaft body 100, in this embodiment, the outer end surface of the driving pulley 500 is provided with the hexagon socket head fixing hole 510, and the fixing bolt for fixing the driving shaft body 100 is arranged in the hexagon socket head fixing hole 510. Like this, after driving pulley 500 inserts and establishes band pulley installation section 130, the secondary is fixed to accessible bolt fastening's mode completion, adopts the mode of hexagon socket head cap screw fixation can improve the stability of installation, makes things convenient for the dismouting simultaneously.

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. The utility model provides an automobile power generation machine transmission shaft assembly which characterized in that: the transmission shaft comprises a transmission shaft body (100), wherein the transmission shaft body (100) comprises a rotor mounting section (110) and bearing mounting sections (120) positioned at two ends of the rotor mounting end, the bearing mounting sections (120) are matched with rotating bearings (200), a belt wheel mounting section (130) is arranged on the outer side of one bearing mounting section (120), and a heat dissipation shell positioning section (140) is arranged on the outer side of the other bearing mounting section (120); install on rolling bearing (200) of heat dissipation shell positioning section one side and install heat dissipation shell spacer (300), heat dissipation shell spacer (300) edge is equipped with a plurality of fixed parts (310) of radially arranging along rolling bearing (200), fixed part (310) are supported and are leaned on the lateral surface of generator heat dissipation casing, still be equipped with on fixed part (310) along fixed screw (400) that transmission shaft body (100) axial was arranged, band pulley installation section (130) can be dismantled and be connected with driving pulley (500), be equipped with multichannel band pulley groove in driving pulley (500) periphery.

2. The automotive alternator driveshaft assembly of claim 1, wherein:

the bearing mounting section (120) located on one side of the heat dissipation shell positioning section (140) is peripherally provided with clamping grooves (150) which are oppositely arranged, the bearing mounting section (120) is sleeved with a clamping ring (600), the inner wall of the clamping ring (600) is provided with clamping protrusions which are clamped into the clamping grooves (150), and a bearing mounted on the bearing mounting section (120) is abutted to the clamping ring (600).

3. The automotive alternator driveshaft assembly of claim 2, wherein:

be located bearing installation section (120) periphery of heat dissipation shell location section (140) and be equipped with first spacing shaft shoulder (160), snap ring (600) support and lean on first spacing shaft shoulder (160).

4. The automotive alternator driveshaft assembly of claim 1, wherein:

the bearing mounting section (120) on one side of the belt wheel mounting section (130) is sleeved with a positioning ring (700), and the end face of the positioning ring (700) is provided with a conical abutting part abutting against the rotating bearing (200).

5. The automotive alternator driveshaft assembly of claim 4, wherein:

and a second limiting shaft shoulder (180) is arranged on the periphery of the bearing mounting section (120) positioned on one side of the belt wheel mounting section (130), and the positioning ring (700) abuts against the second limiting shaft shoulder (180).

6. The automotive alternator driveshaft assembly of claim 1, wherein:

the outer end face of the transmission belt wheel (500) is provided with an inner hexagonal fixing hole (510), and a fixing bolt for fixing the transmission shaft body (100) is arranged in the inner hexagonal fixing hole (510).