A sealing structure for output shaft of motor

By designing the sealing structure of the motor output shaft and using the combination of auxiliary mechanism and sealing mechanism, the problems of dust accumulation and friction increase of the motor output shaft in dust environments are solved, better sealing and lubrication effects are achieved, and the stability and applicability of the motor are improved.

CN222706344UActive Publication Date: 2025-04-01NINGBO UNI-DRIVE TECH CO LTD
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Patent Information

Application Number
CN202421308531.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-04-01
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

When existing motor output shafts are used in dusty environments, it is easy to accumulate particulate matter, increase friction, reduce cooling effect, and dust enters the motor to contaminate lubricant, resulting in inapplicability and instability.

Method used

A sealing structure for the motor output shaft is designed, including an auxiliary mechanism and a sealing mechanism. The auxiliary mechanism is fixedly connected by a retaining block. The sealing mechanism seals the output shaft through components such as sealing cover, sealing ring, sealing plate and positioning groove, and adds sealing oil body through the filling groove and extension ring to provide lubricating effect.

Benefits of technology

Effectively prevent dust from entering the motor, reduce friction and wear, improve cooling effect and lubrication performance, and enhance the stability and applicability of the motor output shaft.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a sealing structure for a motor output shaft, and relates to the technical field of motor output shaft sealing, including: a motor body, wherein the motor body is provided with an output shaft, an auxiliary mechanism is provided on one side of the motor body, the auxiliary mechanism includes a retaining block, one side of the retaining block is fixedly connected to one side of the motor body, and a sealing mechanism is provided on one side of the motor body. The utility model can seal the connection between the output shaft and the sealing cover through a sealing cover provided in the sealing mechanism and a sealing ring connected thereto, and through the cooperation of the positioning groove provided in the sealing cover, the extension ring provided in the sealing sheet, and the positioning block, the sealing oil can be added to provide lubrication under the condition of ensuring sealing, and through the through-slot block connected to the retaining block and the sealing cover and the embedded groove provided by the spring sheet and the retaining block, a fast and stable connection effect can be provided, and the stability and applicability of the mechanism are improved to a certain extent.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor output shaft sealing, in particular to a sealing structure of a motor output shaft. Background Art

[0002] The output shaft of the motor refers to the rotating part of the motor, which is the key component of the motor to convert electrical energy into mechanical energy.

[0003] When the existing motor output shaft is in use, the electricity is converted through the inside of the motor, thereby converted into a rotational force that can drive the shaft body, thereby driving the components connected to the shaft body to rotate. When used in a mining environment and the construction industry, it is often directly exposed to a dusty environment during operation. The particles in the dusty environment may accumulate on the surface of the motor output shaft, resulting in increased friction and reduced cooling effect. Dust may also enter the inside of the motor, contaminating the lubricant, reducing the lubrication effect, and increasing friction and wear. To a certain extent, it has certain inapplicability and instability, and has certain technical defects. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. When used in mining environments and construction industries, the motor is often directly exposed to dusty environments during operation, and particulate matter in the dusty environment may accumulate on the surface of the motor output shaft, resulting in increased friction and reduced cooling effect. Dust may enter the interior of the motor, contaminating the lubricant, reducing the lubrication effect, and increasing friction and wear. A sealing structure for the motor output shaft is provided.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a sealing structure of a motor output shaft, comprising: a motor body, the motor body is provided with an output shaft, an auxiliary mechanism is provided on one side of the motor body, the auxiliary mechanism comprises a retaining block, one side of the retaining block is fixedly connected to one side of the motor body, a sealing mechanism is provided on one side of the motor body, the sealing mechanism comprises a sealing cover, one side of the sealing cover is provided with a connecting groove, the inner wall of the connecting groove is fixedly connected to the outer surface of the sealing ring, the inner wall of the sealing ring is slidably and rotatably connected to the outer surface of the output shaft, one side of the sealing ring is provided with a sealing sheet, the outer surface of the sealing sheet is snap-connected to the inner wall of the sealing cover, both sides of the sealing cover are provided with positioning grooves, the inner wall of the positioning groove is slidably connected to the outer surface of the positioning block, one side of the positioning block is fixedly connected to both sides of the sealing sheet, one side of the sealing sheet is provided with a pouring groove, the inner wall of the pouring groove is fixedly connected to the outer surface of the extension ring, and the inner wall of the extension ring is provided with the outer surface of the output shaft.

[0006] As a preferred implementation, both sides of the positioning groove are threadedly connected to the outer surface of the cross bolt, and the outer surface of the cross bolt is threadedly connected to one side of the positioning block.

[0007] As a preferred implementation, embedding grooves are provided on both sides of the retaining block, and the inner walls of the embedding grooves are snap-fitted and connected to the outer surface of the slot block.

[0008] As a preferred implementation, one side of the embedding groove is fixedly connected to one side of the spring sheet, and the outer surface of the spring sheet is snap-connected to one side of the slot block.

[0009] As a preferred embodiment, both sides of the retaining block are fixedly connected to one side of the through slot block, and four through slot blocks are provided, wherein one side of two of the through slot blocks are fixedly connected to both sides of the sealing cover.

[0010] As a preferred embodiment, one side of the through-slot block is connected to the outer surface of the hexagonal bolt, and the outer surface of the hexagonal bolt is threadedly connected to the inner wall of the nut.

[0011] Compared with the prior art, the advantages and positive effects of the utility model are:

[0012] The utility model cooperates with the auxiliary mechanism and the sealing mechanism, installs a retaining block on the outer surface of the connection between the motor body and the output shaft, and under the premise of not affecting the basic operation of the output shaft, uses a sealing cover provided in the sealing mechanism and a sealing ring connected thereto, so that the connection between the output shaft and the sealing cover can be sealed, and through the cooperation of the positioning groove provided in the sealing cover, the extension ring provided in the sealing sheet and the positioning block, it is possible to provide lubrication while ensuring the sealing condition by adding sealing oil, and through the through groove block connected by the retaining block and the sealing cover and the embedded groove provided by the spring sheet and the retaining block, it is possible to provide a fast and stable connection effect, thereby improving the stability and applicability of the mechanism to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional schematic diagram of the external overall structure of a sealing structure of a motor output shaft provided by the utility model.

[0014] Figure 2 The utility model is a three-dimensional structural diagram of a sealing structure of a motor output shaft in a state of external overall separation.

[0015] Figure 3 The utility model is a three-dimensional structural diagram of a sealing structure of a motor output shaft provided by the present invention, in a state where the sealing mechanism is in an overall externally separated state.

[0016] Legend:

[0017] 1. Motor body; 11. Output shaft;

[0018] 2. Auxiliary mechanism; 21. Retaining block; 22. Through slot block; 23. Shrapnel; 24. Hexagonal bolt; 25. Nut; 26. Cross bolt;

[0019] 3. Sealing mechanism; 31. Sealing cover; 32. Sealing ring; 33. Slot block; 34. Positioning groove; 35. Sealing sheet; 36. Extension ring; 37. Positioning block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] like Figure 1-Figure 3 As shown, the utility model provides a technical solution: a sealing structure of a motor output shaft 11, comprising: a motor body 1, the motor body 1 is provided with an output shaft 11, one side of the motor body 1 is provided with an auxiliary mechanism 2, the auxiliary mechanism 2 comprises a retaining block 21, one side of the retaining block 21 is fixedly connected to one side of the motor body 1, one side of the motor body 1 is provided with a sealing mechanism 3, the sealing mechanism 3 comprises a sealing cover 31, one side of the sealing cover 31 is provided with a connecting groove, the inner wall of the connecting groove is fixedly connected to the outer surface of the sealing ring 32, the sealing ring The inner wall of 32 is slidably and rotatably connected to the outer surface of the output shaft 11, a sealing sheet 35 is provided on one side of the sealing ring 32, and the outer surface of the sealing sheet 35 is snap-fitted and connected to the inner wall of the sealing cover 31, and positioning grooves 34 are provided on both sides of the sealing cover 31, and the inner wall of the positioning groove 34 is slidably connected to the outer surface of the positioning block 37, and one side of the positioning block 37 is fixedly connected to the two sides of the sealing sheet 35, and a filling groove is provided on one side of the sealing sheet 35, and the inner wall of the filling groove is fixedly connected to the outer surface of the extension ring 36, and the inner wall of the extension ring 36 is provided with the outer surface of the output shaft 11.

[0023] In this embodiment, the motor body 1 provided can provide a stable transmission effect, the auxiliary mechanism 2 provided can provide a convenient installation effect, and the sealing mechanism 3 provided can provide a stable sealing effect. The retaining block 21 is fixedly connected to the outer surface of the connection between the output shaft 11 and the motor body 1. The motor body 1 provides a retaining effect for the retaining block 21, and the sealing cover 31 can provide a retaining effect for the sealing ring 32 through a connecting groove opened on one side. The output shaft 11 provided on the motor body 1 can pass through the sealing ring 32 through the provided sealing ring 32 and rotate in the inner wall of the sealing ring 32. The sealing cover 31 can make the positioning block 37 connected to the sealing piece 35 inserted into it through the positioning grooves 34 opened on both sides. In the process of the sealing piece 35 being inserted into the positioning groove 34 opened in the sealing cover 31 through the positioning block 37, a certain range of empty grooves will be formed between itself and the sealing cover 31, and such empty grooves can be filled with a lubricating sealing oil body, and circulated and transmitted through the extension ring 36 connected to the filling groove, and the sealing oil body can provide lubrication effect for the output shaft 11.

[0024] Example 2

[0025] like Figure 1-Figure 3 As shown, both sides of the positioning groove 34 are threadedly connected to the outer surface of the cross bolt 26, the outer surface of the cross bolt 26 is threadedly connected to one side of the positioning block 37, and both sides of the retaining block 21 are provided with embedded grooves, the inner walls of the embedded grooves are snap-connected to the outer surface of the slot block 33, one side of the embedded grooves is fixedly connected to one side of the spring sheet 23, the outer surface of the spring sheet 23 is snap-connected to one side of the slot block 33, both sides of the retaining block 21 are fixedly connected to one side of the through-slot block 22, and four through-slot blocks 22 are provided, among which one side of two through-slot blocks 22 is fixedly connected to both sides of the sealing cover 31, one side of the through-slot blocks 22 is penetrated and connected to the outer surface of the hexagonal bolt 24, and the outer surface of the hexagonal bolt 24 is threadedly connected to the inner wall of the nut 25.

[0026] In this embodiment, the cross bolt 26 can be screwed to connect the positioning block 37 connected to the positioning groove 34, and when the positioning block 37 is connected to the positioning groove 34 opened in the sealing cover 31, the sealing piece 35 will be connected to the sealing cover 31 and form a space for accommodating the sealing oil body, and the retaining block 21 can be connected to the card slot block 33 connected to the sealing cover 31 through the embedding grooves opened on both sides, and the sealing cover 31 will be engaged with the outer surface of the retaining block 21. In this state, the extension ring 36 will be connected to the motor body 1 and the output shaft 11. 1 and lubricates the connection between the two, and the embedded groove provides a retention effect for the spring piece 23. The spring piece 23 can be deformed and inserted into the slot block 33 during the insertion of the slot block 33 connected to the sealing cover 31, thereby realizing the effect of positioning connection in the preliminary snap connection. When the through slot block 22 connected to the sealing cover 31 and the retaining block 21 are respectively connected, the hexagonal bolt 24 can be penetrated into the through slot block 22 connected by the two, and the nut 25 can be used to lock the effect, thereby realizing the connection effect of anti-dislocation.

[0027] Working principle:

[0028] like Figure 1-Figure 3 As shown, when the motor output shaft 11 needs to be sealed in an environment with too much dust, the slot block 33 connected to the sealing cover 31 can be inserted into the slot opened by the retaining block 21 connected to the motor body 1. During the insertion process, the slot block 33 will apply pressure to the spring piece 23 and deform it until it is inserted into the slot of the slot block 33. After the insertion, the sealing cover 31 and the through slot block 22 connected to the retaining block 21 will form an integrated connection. In this process, the sealing ring 32 in the connecting groove opened by the sealing cover 31 will allow the output shaft 11 to penetrate the inner wall of the sealing ring 32, and the sealing piece 33 will be inserted into the inner wall of the sealing ring 32. 5 will allow the output shaft 11 to pass through, and the extension ring 36 will be connected to the connection between the motor body 1 and the output shaft 11, and the sealing oil will gradually spread to the connection between the motor body 1 and the output shaft 11, so as to prevent dust from entering. After the sealing cover 31 and the through-slot block 22 connected to the retaining block 21 are formed into one body, the hexagonal bolt 24 can be penetrated into the two and locked by the nut 25. When the sealing oil needs to be replaced, the above operation is reversed, and the positioning block 37 in the positioning groove 34 of the sealing cover 31 is screwed out and the cross bolt 26 connected to it can be replaced.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A sealing structure for a motor output shaft (11), characterized in that: include: A motor body (1), wherein the motor body (1) is provided with an output shaft (11), an auxiliary mechanism (2) is provided on one side of the motor body (1), the auxiliary mechanism (2) comprises a retaining block (21), one side of the retaining block (21) is fixedly connected to one side of the motor body (1), a sealing mechanism (3) is provided on one side of the motor body (1), the sealing mechanism (3) comprises a sealing cover (31), one side of the sealing cover (31) is provided with a connecting groove, the inner wall of the connecting groove is fixedly connected to the outer surface of a sealing ring (32), the inner wall of the sealing ring (32) is slidably and rotatably connected to the output shaft ( 11), a sealing sheet (35) is provided on one side of the sealing ring (32), the outer surface of the sealing sheet (35) is snap-connected to the inner wall of the sealing cover (31), positioning grooves (34) are provided on both sides of the sealing cover (31), the inner walls of the positioning grooves (34) are slidably connected to the outer surface of the positioning block (37), one side of the positioning block (37) is fixedly connected to the two sides of the sealing sheet (35), one side of the sealing sheet (35) is provided with a pouring groove, the inner wall of the pouring groove is fixedly connected to the outer surface of the extension ring (36), and the inner wall of the extension ring (36) is provided with the outer surface of the output shaft (11).

2. A sealing structure for a motor output shaft (11) according to claim 1, characterized in that: Both sides of the positioning groove (34) are threadedly connected to the outer surface of the cross bolt (26), and the outer surface of the cross bolt (26) is threadedly connected to one side of the positioning block (37).

3. The sealing structure of a motor output shaft (11) according to claim 1, characterized in that: Embedding grooves are provided on both sides of the retaining block (21), and the inner walls of the embedding grooves are snap-connected to the outer surface of the snap-in groove block (33).

4. A sealing structure for a motor output shaft (11) according to claim 3, characterized in that: One side of the embedding groove is fixedly connected to one side of the spring sheet (23), and the outer surface of the spring sheet (23) is snap-fitted and connected to one side of the slot block (33).

5. The sealing structure of a motor output shaft (11) according to claim 1, characterized in that: Both sides of the retaining block (21) are fixedly connected to one side of the through-slot block (22), and four through-slot blocks (22) are provided, wherein one side of two of the through-slot blocks (22) are fixedly connected to both sides of the sealing cover (31).

6. A sealing structure for a motor output shaft (11) according to claim 5, characterized in that: One side of the through-slot block (22) is connected to the outer surface of the hexagonal bolt (24), and the outer surface of the hexagonal bolt (24) is threadedly connected to the inner wall of the nut (25).