Protective structure of automobile motor shaft end

By designing the protective structure at the shaft end of the car motor, and using components such as protective cartridges, fixing rings, and protective plates to protect the output shaft, the problem of the output shaft being susceptible to external impacts and damage, achieving a longer service life and better driving performance.

CN222996332UActive Publication Date: 2025-06-17JIANGSU WEIYING MASCH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421985407.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-06-17
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The output shaft of the automobile motor is easily impacted by external mud and debris, causing damage to the motor, affecting driving performance and reducing service life.

Method used

A protective structure at the shaft end of the automobile motor is designed, including a protective cartridge, a fixing ring, a protective plate, an end cover, a bearing, a rubber sheet, a damper and a buffer spring. Through these components, the output shaft is protected by multiple levels to reduce the impact of external impact.

Benefits of technology

It effectively protects the output shaft, avoids damage caused by impact of external debris, extends the service life of the motor and improves driving performance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222996332U_ABST
    Figure CN222996332U_ABST
Patent Text Reader

Abstract

The utility model discloses a protection structure of an automobile motor shaft end, which comprises a motor main body, an output shaft is arranged on the right side of the motor main body, a protection unit is arranged on the outer side of the motor main body, the protection unit comprises a protection cylinder, and the protection cylinder is fixedly connected to the right side of the motor main body. A fixing ring is fixedly connected to the outer side of the right end of the motor body, a protection plate is fixedly connected between the fixing ring and the protection cylinder, an end cover is fixedly connected to the right side of the protection cylinder, a mounting groove is formed in the right side of the protection cylinder, and rubber sheets are fixedly connected to the inner walls of the upper side and the lower side of the mounting groove. By arranging the protective cylinder, the fixing ring, the protective plate, the end cover and the bearing, the protective plate and the protective cylinder are convenient to protect the output shaft of the motor main body, and by means of the rubber sheet, the damper and the buffer spring, the protective effect on the output shaft is improved, and the output shaft is prevented from being damaged due to impact of external sundries.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the field of automotive motors, and particularly relates to a protection structure for the shaft end of an automotive motor. Background Art

[0002] Automotive motors, as one of the core components of modern electric vehicles, are as important as internal combustion engines in traditional fuel vehicles. With the continuous progress and development of electric vehicle technology, the importance of motors has become increasingly prominent. An automotive motor converts electrical energy from a power source into mechanical energy and drives wheels and working devices through a transmission device or directly.

[0003] When the output end of an automotive motor is in use, the output end is directly exposed to the outside. When the vehicle is running, external sand, mud, and sundries are likely to hit the outside of the output shaft, making the output shaft prone to damage, affecting the driving performance of the vehicle, and reducing the service life of the automotive motor. Content of the Utility Model

[0004] In order to overcome the deficiency that the output shaft of an automotive motor in the prior art is easily hit by external sand, mud, and sundries, resulting in easy damage to the motor, one of the purposes of the utility model is to provide a protection structure for the shaft end of an automotive motor.

[0005] One of the purposes of the utility model is realized by adopting the following technical solution: a protection structure for the shaft end of an automotive motor, including a motor main body: an output shaft is arranged on the right side of the motor main body, and a protection unit is arranged on the outside of the motor main body;

[0006] The protection unit includes a protection cylinder, the protection cylinder is fixedly connected to the right side of the motor main body, a fixing ring is fixedly connected to the outside of the right end of the motor main body, a protection plate is fixedly connected between the fixing ring and the protection cylinder, an end cover is fixedly connected to the right side of the protection cylinder, an installation groove is formed on the right side of the protection cylinder, rubber sheets are fixedly connected to the inner walls of the upper and lower sides of the installation groove, a damper is fixedly connected between the rubber sheets on the upper and lower sides, a buffer spring is arranged on the outside of the damper, and a bearing is fixedly connected to the inside of the protection cylinder.

[0007] According to the protection structure for the shaft end of an automotive motor, a plurality of heat dissipation holes are formed on the outside of the end cover. It is convenient for heat dissipation of the output shaft.

[0008] According to the protection structure for the shaft end of an automotive motor, the protection plate is arranged in a triangular structure.

[0009] According to the protection structure for the shaft end of an automotive motor, the protection plate is made of rubber material.

[0010] According to the protection structure for the shaft end of an automotive motor, a protection ring is fixedly connected to the outside of the protection plate. It is convenient to protect the output shaft.

[0011] According to the described protective structure at the shaft end of an automotive motor, multiple protective plates are provided.

[0012] Beneficial effects:

[0013] By providing a protective cylinder, a fixing ring, a protective plate, an end cover, and a bearing, it is convenient for the protective plate and the protective cylinder, facilitating the protection of the output shaft of the motor body. And through the rubber sheet, the damper, and the buffer spring, the protection effect on the output shaft is enhanced, avoiding damage to the output shaft due to the impact of external debris.

[0014] Additional aspects and advantages of the present utility model will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0015] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0016] Figure 1 It is the overall three-dimensional structure diagram of a protective structure at the shaft end of an automotive motor of the present utility model;

[0017] Figure 2 It is the three-dimensional structure diagram of the protection unit in a protective structure at the shaft end of an automotive motor of the present utility model;

[0018] Figure 3 It is the sectional three-dimensional structure diagram of the protection unit in a protective structure at the shaft end of an automotive motor of the present utility model;

[0019] Figure 4 It is Figure 3 the enlarged view at A in

[0020] Legend Explanation:

[0021] 1. Motor body; 2. Output shaft; 3. Protection unit; 301. Protective cylinder; 302. End cover; 303. Heat dissipation holes; 304. Fixing ring; 305. Protective plate; 306. Protective ring; 307. Bearing; 308. Rubber sheet; 309. Damper; 310. Buffer spring; 311. Installation groove. Specific Embodiments

[0022] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The function of the drawings is to supplement the description in the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be construed as a limitation on the protection scope of the present utility model.

[0023] Refer to Figure 1 - Figure 4, A protective structure for the shaft end of an automotive motor, including a motor main body 1: An output shaft 2 is provided on the right side of the motor main body 1, and a protective unit 3 is provided outside the motor main body 1. The protective unit 3 protects the output shaft 2 of the motor main body 1.

[0024] The protective unit 3 includes a protective cylinder 301, the protective cylinder 301 is fixedly connected to the right side of the motor main body 1, a fixing ring 304 is fixedly connected to the outside of the right end of the motor main body 1, a protective plate 305 is fixedly connected between the fixing ring 304 and the protective cylinder 301, a end cover 302 is fixedly connected to the right side of the protective cylinder 301, an installation groove 311 is opened on the right side of the protective cylinder 301, rubber sheets 308 are fixedly connected to the inner walls of the upper and lower sides of the installation groove 311, a damper 309 is fixedly connected between the upper and lower rubber sheets 308, a buffer spring 310 is arranged outside the damper 309, a bearing 307 is fixedly connected to the inside of the protective cylinder 301, the protective plate 305 is arranged in a triangular structure, the protective plate 305 is made of rubber material, a protective ring 306 is fixedly connected to the outside of the protective plate 305, and the number of the protective plates 305 is multiple. When in use, first, the output shaft 2 is preliminarily protected by the protective cylinder 301, and the protective effect on the output shaft 2 is increased again through multiple protective plates 305. Finally, through the arranged damper 309 and buffer spring 310, the influence of the vibration generated by the impact is weakened, the protection effect on the output shaft 2 is increased, and the output shaft 2 is prevented from being damaged by external impact.

[0025] A plurality of heat dissipation holes 303 are opened on the outside of the end cover 302, and the heat dissipation holes 303 facilitate the heat dissipation of the output shaft 2.

[0026] Working principle: When in use, the staff first preliminarily protects the output shaft 2 through the protective cylinder 301, then protects the output shaft 2 again through the arranged fixing ring 304, protective plate 305 and protective ring 306, and finally reduces the influence of the impact through the damper 309 and buffer spring 310, and prevents the output shaft 2 from being damaged by external impact.

[0027] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art to which the present invention pertains, various changes can be made without departing from the gist of the present invention.

Claims

1. A protective structure for the shaft end of an automobile motor, characterized in that: It comprises a motor body (1), wherein an output shaft (2) is arranged on the right side of the motor body (1), and a protection unit (3) is arranged on the outside of the motor body (1); The protection unit (3) comprises a protection tube (301), the protection tube (301) is fixedly connected to the right side of the motor body (1), a fixing ring (304) is fixedly connected to the outer side of the right end of the motor body (1), a protection plate (305) is fixedly connected between the fixing ring (304) and the protection tube (301), an end cover (302) is fixedly connected to the right side of the protection tube (301), a mounting groove (311) is provided on the right side of the protection tube (301), rubber sheets (308) are fixedly connected to the inner walls on both upper and lower sides of the mounting groove (311), a damper (309) is fixedly connected between the rubber sheets (308) on the upper and lower sides, a buffer spring (310) is provided on the outer side of the damper (309), and a bearing (307) is fixedly connected to the inner side of the protection tube (301).

2. The protective structure for the shaft end of an automobile motor according to claim 1, characterized in that: A plurality of heat dissipation holes (303) are provided on the outer side of the end cover (302).

3. The protective structure for the shaft end of an automobile motor according to claim 1, characterized in that: The protective plate (305) is arranged in a triangular structure.

4. The protective structure for the shaft end of an automobile motor according to claim 1, characterized in that: The protective plate (305) is made of rubber material.

5. The protective structure for the shaft end of an automobile motor according to claim 1, characterized in that: A protective ring (306) is fixedly connected to the outer side of the protective plate (305).

6. The protective structure for the shaft end of an automobile motor according to claim 1, characterized in that: The number of the protective plates (305) is multiple.