A dust-proof mechanism for motor output shaft

By designing the dust-proof mechanism of the motor output shaft, and using alternative anti-fouling pads for support and anti-detachment treatment, the dust entry problem caused by wear is solved, the service life of the bearing is extended, and the stability and resource utilization of the system are improved.

CN222706342UActive Publication Date: 2025-04-01NINGBO UNI-DRIVE TECH CO LTD
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Patent Information

Application Number
CN202421187348.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-04-01
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

The existing motor output shafts are worn and voids appear due to wear and dust particles enter the inside of the bearing, resulting in poor lubrication, accelerated wear, increased friction and heat accumulation, which may eventually lead to bearing failure, and it is difficult to replace between the motor output shaft and the motor, resulting in overall replacement, instability and waste of resources.

Method used

A dust-proof mechanism of the motor output shaft is designed. By setting up a mutual cooperation between the connecting mechanism and the installation mechanism, a support-type anti-detachment treatment is performed using an alternative anti-fouling pad, providing breathability and dust-proof treatment, which improves practicality and applicability.

Benefits of technology

Through the design of dust-proof mechanism, dust can be effectively prevented from entering the bearing, reduce wear and friction, extend the service life of the bearing, avoid the replacement of the motor output shaft caused by bearing failure, and improve the stability and resource utilization of the system.

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Abstract

The utility model provides a dustproof mechanism for a motor output shaft, and relates to the technical field of motor output shafts, including: a motor body, an output shaft body is provided on one side of the motor body, and a mounting mechanism is provided on one side of the motor body. The utility model connects the output shaft body and the motor body through a retaining block connected to the monomer in the connecting mechanism, and through a heat dissipation hole provided in the cover body and a slot provided therein, and inserts a replaceable anti-fouling pad into the slot, and inserts the top sheet connected to the retaining block into the embedding slot through the embedding block connected to the cover body, and is positioned and connected through a slide groove and a track groove, thereby performing a support-type anti-falling treatment on the anti-fouling pad, and the anti-fouling pad provided can provide air permeability while performing dustproof treatment, and the replaceable anti-fouling pad improves practicality, and improves the applicability and practicality of the mechanism to a certain extent.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor output shafts, in particular to a dustproof mechanism for a motor output shaft. Background Art

[0002] The motor output shaft is an important component that transmits mechanical energy to the external load.

[0003] When some existing motor output shafts are in operation, they convert the electrical energy inside the motor into mechanical energy and transmit this mechanical energy to the external load through the output shaft. In actual use, although the connection between the motor output shaft and the motor is usually connected to each other with precision devices to achieve maximum dust prevention, it is difficult to avoid the appearance of gaps due to wear after long-term use. Dust particles entering the bearing will cause poor lubrication, accelerated wear, increased friction and heat accumulation, and may eventually cause bearing failure. In this case, since it is difficult to replace the motor output shaft and the motor, the entire motor needs to be replaced in most cases, which has a certain degree of instability and waste of resources. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings existing in the prior art. After long-term use, it is difficult to avoid the appearance of gaps due to wear, and dust particles enter the interior of the bearing, which will lead to poor lubrication, accelerated wear, increased friction and heat accumulation, and eventually may cause bearing failure. In this case, since it is difficult to replace the motor output shaft with the motor, a dustproof mechanism 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 dustproof mechanism for a motor output shaft, comprising: a motor body, an output shaft body is provided on one side of the motor body, a mounting mechanism is provided on one side of the motor body, the mounting mechanism comprises a cover body, four sides of the cover body are fixedly connected with embedded blocks, and one side of the embedded blocks are threadedly connected to the outer surface of the cross bolt, the inner wall of the cover body is provided with a retaining groove, the outer surface of the cover body is provided with a plurality of heat dissipation holes, the inner wall of the heat dissipation hole is provided with a card groove, the inner wall of the card groove is card-engaged and connected with the outer surface of the anti-fouling pad, the inner wall of the anti-fouling pad is provided with a through groove, the inner wall of the through groove is connected through the outer surface of the output shaft body, the outer surface of the output shaft body is connected through the inner wall of the sliding ring, and the outer surface of the sliding ring is fixedly connected to the inner wall of the retaining groove.

[0006] As a preferred embodiment, a connecting mechanism is provided on one side of the cover body, and the connecting mechanism includes a retaining block, the inner wall of the retaining block is fixedly connected to one side of the motor body, the outer surface of the retaining block is fixedly connected to the inner wall of the top sheet, and the outer surface of the top sheet is joined and connected to the inner wall of the anti-fouling pad.

[0007] As a preferred embodiment, the outer surface of the top sheet is arranged on the inner wall of the cover body, and the outer surface of the cover body is joined and connected to the outer surface of the retaining block.

[0008] As a preferred embodiment, embedding grooves are provided on four sides of the retaining block, and the inner walls of the embedding grooves are snap-connected to the outer surface of the embedding block.

[0009] As a preferred embodiment, a sliding groove is provided on one side of the embedding groove, and the inner wall of the sliding groove is slidably connected to the outer surface of the embedding block.

[0010] As a preferred embodiment, a track groove is opened on one side of the slide groove, the inner wall of the track groove is slidably connected to the outer surface of the embedded block, and one side of the track groove is threadedly connected to the outer surface of the cross bolt.

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

[0012] The utility model cooperates with the connection mechanism and the installation mechanism, and does not affect the basic operation of the motor body and the output shaft body. Through the fixing block at the connection point of the single body connection in the connection mechanism and the output shaft body and the motor body, and through the heat dissipation hole provided in the cover body and the card slot provided therein, and through the replaceable anti-fouling pad being inserted into the card slot, and the top sheet connected to the fixing block is inserted into the embedding slot through the embedding block connected to the cover body and positioned and connected through the sliding groove and the track groove, the anti-fouling pad is supported and prevented from falling off. The anti-fouling pad is provided so that dust prevention can be performed while providing air permeability, and the replaceable anti-fouling pad is used to improve the practicability, thereby improving the applicability and practicability of the mechanism to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional structural diagram of a dustproof mechanism of a motor output shaft in an external integrally connected state.

[0014] Figure 2 The utility model is a three-dimensional schematic diagram of the overall external structure of a dustproof mechanism of a motor output shaft in a state where the mounting mechanism and the connecting mechanism are disconnected.

[0015] Figure 3 The utility model provides a three-dimensional structural diagram of a mounting mechanism of a dustproof mechanism of a motor output shaft in a cross-sectional state.

[0016] Figure 4 The utility model provides a three-dimensional schematic diagram of the overall internal structure of a connection mechanism component section of a dustproof mechanism for an output shaft of a motor.

[0017] Legend:

[0018] 1. Motor body; 11. Output shaft body;

[0019] 2. Connecting mechanism; 21. Retaining block; 22. Top sheet; 23. Embedding groove; 24. Sliding groove; 25. Track groove;

[0020] 3. Mounting mechanism; 31. Cross bolt; 32. Cover body; 33. Heat dissipation hole; 34. Embedded block; 35. Slot; 36. Anti-fouling pad; 37. Sliding ring. DETAILED DESCRIPTION

[0021] 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.

[0022] Example 1

[0023] like Figure 1-Figure 3 As shown, the utility model provides a technical solution: a dustproof mechanism for a motor output shaft, comprising: a motor body 1, an output shaft body 11 is provided on one side of the motor body 1, a mounting mechanism 3 is provided on one side of the motor body 1, the mounting mechanism 3 comprises a cover body 32, four sides of the cover body 32 are fixedly connected with embedded blocks 34, and one side of the embedded blocks 34 is threadedly connected to the outer surface of the cross bolt 31, a retaining groove is provided on the inner wall of the cover body 32, a plurality of heat dissipation holes 33 are provided on the outer surface of the cover body 32, a card groove 35 is provided on the inner wall of the heat dissipation hole 33, the inner wall of the card groove 35 is card-engaged with the outer surface of the anti-fouling pad 36, the inner wall of the anti-fouling pad 36 is provided with a through groove, the inner wall of the through groove is connected through the outer surface of the output shaft body 11, the outer surface of the output shaft body 11 is connected through the inner wall of the sliding ring 37, and the outer surface of the sliding ring 37 is fixedly connected to the inner wall of the retaining groove.

[0024] In this embodiment, the motor body 1 can provide a stable transmission effect, and the installation mechanism 3 can provide a stable dustproof and convenient installation effect. The cover body 32 can provide a positioning installation effect through the embedded block 34 connected thereto, and the embedded block 34 can be locked with the external component through a cross bolt 31 threadedly connected on one side. The cover body 32 can provide a connection component retention effect through the retaining groove opened on the inner wall, and the outer surface of the cover body 32 can provide a heat dissipation effect through a plurality of heat dissipation holes 33 set at the beginning. The heat dissipation holes The inner wall of 33 can provide an anti-fouling pad 36 with a snap-in effect through the slot 35. The anti-fouling pad 36 is made of polytetrafluoroethylene material, so it can be dust-proof and breathable. The inner wall of the anti-fouling pad 36 can allow the output shaft body 11 to pass through the slot. When the output shaft body 11 set in the motor body 1 rotates, it will slide and rotate in the inner wall of the sliding ring 37. The sliding ring 37 is made of titanium alloy, which is smooth and has high strength. The outer surface of the sliding ring 37 is connected to the retaining groove provided in the cover body 32.

[0025] Example 2

[0026] like Figure 1-Figure 4 As shown, a connecting mechanism 2 is provided on one side of the cover body 32, and the connecting mechanism 2 includes a retaining block 21, an inner wall of the retaining block 21 is fixedly connected to one side of the motor body 1, an outer surface of the retaining block 21 is fixedly connected to the inner wall of the top sheet 22, the outer surface of the top sheet 22 is engaged and connected to the inner wall of the anti-fouling pad 36, the outer surface of the top sheet 22 is arranged on the inner wall of the cover body 32, the outer surface of the cover body 32 is engaged and connected to the outer surface of the retaining block 21, and embedding grooves 23 are provided on four sides of the retaining block 21, the inner wall of the embedding groove 23 is snap-connected to the outer surface of the embedding block 34, a sliding groove 24 is provided on one side of the embedding groove 23, the inner wall of the sliding groove 24 is slidably connected to the outer surface of the embedding block 34, a track groove 25 is provided on one side of the slide groove 24, the inner wall of the track groove 25 is slidably connected to the outer surface of the embedding block 34, and one side of the track groove 25 is threadedly connected to the outer surface of the cross bolt 31.

[0027] In this embodiment, the connection mechanism 2 is provided to provide a stable auxiliary installation effect. The motor body 1 provides a retention effect for the retention block 21, and the retention block 21 provides a retention effect for the top sheet 22. When the cover 32 is covered on the outer surface of the retention block 21, the top sheet 22 connected thereto will support the inner wall of the anti-fouling pad 36 and perform anti-displacement treatment. The retention block 21 can make the embedded block 34 connected to the cover 32 perform a positioning installation effect through the embedded grooves 23 opened on the four sides, and the embedded groove 23 is provided through the slide groove 2 opened on one side. The embedded block 34 connected to the cover body 32 can slide along a predetermined track after being inserted, and the slide groove 24 can form a snap-fit ​​connection effect when the embedded block 34 slides to a certain range through the track groove 25 opened on one side, and the thread groove opened on one side of the track groove 25 and the embedded block 34 can be opposite to each other when the embedded block 34 slides to a certain position, and at this time, the cross bolt 31 can be screwed to connect the two, and when the cross bolt 31 is connected to the track groove 25, the cover body 32 and the retaining block 21 will be connected.

[0028] Working principle:

[0029] like Figure 1-Figure 4 As shown, when the connection between the output shaft body 11 and the motor body 1 needs to be dust-proofed, the retaining block 21 and the cover body 32 at the connection between the retaining block 21 and the motor body 1 can be connected. When the two are connected, the anti-fouling pad 36 can be inserted into the slot 35 opened in the cover body 32. After the insertion, the four embedded blocks 34 connected to the cover body 32 are respectively corresponding to the embedded slots 23 opened in the retaining block 21 and inserted therein. During the insertion process, the top sheet 22 connected to the retaining block 21 will open the slot on the cover body 32. The anti-fouling pad 36 in 35 is supported, and the sliding ring 37 in the retaining groove opened in the cover body 32 will allow the output shaft body 11 to penetrate its inner wall. At this time, the cover body 32 can be rotated within a range, and the embedded block 34 connected thereto will slide in the slide groove 24 and the track groove 25 opened in the retaining block 21, and form a snap connection when sliding to a certain range. At this time, the cross bolt 31 can be screwed to fix the retaining block 21 and the embedded block 34 connected to the cover body 32, and the heat dissipation holes 33 opened in the cover body 32 can be used for heat dissipation.

[0030] 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 dust-proof mechanism for a motor output shaft, characterized in that: include: A motor body (1), one side of the motor body (1) is provided with an output shaft body (11), one side of the motor body (1) is provided with a mounting mechanism (3), the mounting mechanism (3) comprises a cover body (32), four sides of the cover body (32) are fixedly connected with embedded blocks (34), and one side of the embedded blocks (34) is threadedly connected to the outer surface of the cross bolt (31), the inner wall of the cover body (32) is provided with a retaining groove, and the outer surface of the cover body (32) is provided with a plurality of A plurality of heat dissipation holes (33) are provided, wherein the inner wall of the heat dissipation hole (33) is provided with a card slot (35), wherein the inner wall of the card slot (35) is snap-fitted and connected with the outer surface of the anti-fouling pad (36), wherein the inner wall of the anti-fouling pad (36) is provided with a through slot, wherein the inner wall of the through slot is penetrated and connected with the outer surface of the output shaft body (11), wherein the outer surface of the output shaft body (11) is penetrated and connected with the inner wall of the sliding ring (37), and the outer surface of the sliding ring (37) is fixedly connected with the inner wall of the retaining groove.

2. The dust-proof mechanism for the motor output shaft according to claim 1, characterized in that: A connecting mechanism (2) is provided on one side of the cover body (32), and the connecting mechanism (2) comprises a retaining block (21), the inner wall of the retaining block (21) is fixedly connected to one side of the motor body (1), the outer surface of the retaining block (21) is fixedly connected to the inner wall of the top sheet (22), and the outer surface of the top sheet (22) is joined to the inner wall of the anti-fouling pad (36).

3. The dust-proof mechanism for the motor output shaft according to claim 2, characterized in that: The outer surface of the top sheet (22) is arranged on the inner wall of the cover body (32), and the outer surface of the cover body (32) is joined and connected to the outer surface of the retaining block (21).

4. The dust-proof mechanism for the motor output shaft according to claim 3, characterized in that: Embedding grooves (23) are provided on four sides of the retaining block (21), and the inner wall of the embedding groove (23) is snap-connected with the outer surface of the embedding block (34).

5. The dust-proof mechanism for the motor output shaft according to claim 4, characterized in that: A sliding groove (24) is provided on one side of the embedding groove (23), and the inner wall of the sliding groove (24) is slidably connected to the outer surface of the embedding block (34).

6. The dust-proof mechanism for the motor output shaft according to claim 5, characterized in that: A track groove (25) is provided on one side of the slide groove (24), the inner wall of the track groove (25) is slidably connected to the outer surface of the embedding block (34), and one side of the track groove (25) is threadedly connected to the outer surface of the cross bolt (31).