Dustproof servo motor shell structure

By setting adjustable dustproof components and heat dissipation and dustproof structures on the servo motor housing, the problem of poor dustproof adjustability in the prior art is solved, and flexible dustproof and heat dissipation effects of the servo motor are achieved.

CN224249485UActive Publication Date: 2026-05-15SHANGHAI XIANGSHU SUPPLY CHAIN MANAGEMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI XIANGSHU SUPPLY CHAIN MANAGEMENT CO LTD
Filing Date
2025-05-21
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

The existing dustproof servo motor housing structure makes it difficult to adjust the dustproof coverage area according to the different lengths and end faces of the drive end, resulting in poor dustproof adjustability.

Method used

An end-adjustable dustproof component is adopted, which achieves adjustable dustproofing of the servo motor output end through a combination structure of sliding column, sleeve block, outer ring cover, side ring cover and positioning ring; at the same time, the combination of heat dissipation groove cover, docking cover and dustproof cover achieves dustproof and heat dissipation treatment of the wiring part.

Benefits of technology

This achieves better dust protection for servo motors, especially in terms of flexible adjustment of the drive end and effective dust protection of the wiring parts, thus improving the flexibility and reliability of dust protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dustproof servo motor shell structure, and particularly relates to the technical field of servo motor shells, the dustproof servo motor shell structure comprises a heat dissipation dustproof shell, a sleeve frame and a sliding column, the sleeve frame is fixed on the outer wall of the heat dissipation dustproof shell, the sliding column is located on the inner wall of the sleeve frame in a sliding mode, and one end portion of the sliding column is provided with an end portion adjusting dustproof assembly; the end adjusting dustproof assembly comprises a sleeving block fixedly arranged at one end of the sliding column, one end of the sleeving block is fixedly connected with an outer ring cover, one end of the outer ring cover is fixedly connected with a side ring cover, and a positioning ring is fixedly installed on the inner wall of the side ring cover. The inner wall of the outer ring cover is slidably connected with an inner ring cover. The end adjusting dustproof assembly is adopted, the sleeving block drives the outer ring cover to move leftwards, the positioning ring moves leftwards along the outer wall of the output end of the servo motor, the outer ring cover and the inner ring cover can adjust the area of the area to achieve dustproof operation on the exterior of the end of the sleeve frame, and the dustproof effect of the servo motor is better.
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Description

Technical Field

[0001] This utility model relates to the field of servo motor housing technology, and more specifically, to a dustproof servo motor housing structure. Background Technology

[0002] The core components of a servo motor, such as the encoder, windings, and bearings, are highly sensitive to dust. Dust entering the motor can cause the following problems: Reduced encoder accuracy: Dust may adhere to the encoder surface, interfering with the reading of the grating or magnetic signals, leading to reduced position control accuracy. Therefore, a dustproof servo motor housing structure is required to achieve dust protection.

[0003] In existing publicly available literature, patent publication number CN220934932U discloses a servo motor housing with a sealed structure. This technology uses a second and a third sealing ring installed between the motor housing and the motor housing cover, with multiple positioning rods installed below the motor housing cover. This utility model solution can seal the motor housing and the motor housing cover through the first, second, and third sealing rings, avoiding the corrosion of the screw threads due to long-term use, which would affect the maintenance and replacement of the motor sealing rings, thus improving the efficiency of motor maintenance. However, this patent has the following drawbacks.

[0004] While dustproof servo motor housings can protect the servo motor housing from dust during use, the dustproof coverage area is difficult to adjust according to actual usage needs due to variations in drive end length and end face. This results in poor dustproof adjustability. Utility Model Content

[0005] To overcome the aforementioned deficiencies of the prior art, this utility model provides the following technical solution: a dustproof servo motor housing structure, including a heat dissipation and dustproof shell, a sleeve frame, and a sliding column. The sleeve frame is fixed to the outer wall of the heat dissipation and dustproof shell, and the sliding column is slidably located on the inner wall of the sleeve frame. One end of the sliding column is provided with an end adjustment dustproof component. The end adjustment dustproof component includes a sleeve block fixedly disposed at one end of the sliding column, and an outer ring cover is fixedly connected to one end of the sleeve block. A side ring cover is fixedly connected to one end of the outer ring cover, and a positioning ring is fixedly installed on the inner wall of the side ring cover. An inner ring cover is slidably connected to the inner wall of the outer ring cover, and the inner ring cover is fixedly connected to the sleeve frame. The inner wall of the outer ring cover and the outer wall of the inner ring cover are both smooth surfaces, and the vertical cross-sectional shape of the outer ring cover is annular. The vertical cross-sectional shape of the positioning ring is annular, and the inner wall of the positioning ring is a smooth surface. A threaded locking bolt is embedded on one side of the sleeve frame.

[0006] In this technical solution, the sleeve frame positions the sliding column, the sliding column drives the sleeve block to move to the left, the outer ring cover drives the side ring cover to move to the left, and the positioning ring moves to the left along the outer wall of the servo motor output end. The outer ring cover and inner ring cover can adjust the area to achieve dust prevention operation on the outer end of the sleeve frame. The side ring cover and positioning ring can achieve dust prevention treatment on the outer end of the sleeve frame.

[0007] Preferably, one end of the heat dissipation and dustproof shell is fixedly connected to a heat dissipation groove cover; one end of the heat dissipation groove cover is provided with a cover pressure protection component; the cover pressure protection component includes a docking cover, a wiring sleeve, a dust cover, and a spring clip; the docking cover is fixedly connected to one end of the heat dissipation groove cover, the wiring sleeve is fixedly connected to the upper surface of the heat dissipation groove cover, the dust cover is inserted into the outer wall of the wiring sleeve, and the spring clip is fixedly located on the outer wall of the dust cover. The heat dissipation groove cover and the docking cover are connected, and the inner walls of both the docking cover and the heat dissipation groove cover are smooth surfaces. The dust cover is connected to the wiring sleeve, and the top cross-sectional area of ​​the dust cover is larger than its bottom cross-sectional area. The bottom end of the spring clip is fixedly connected to the wiring sleeve, and the vertical cross-sectional shape of the spring clip is arc-shaped.

[0008] In this technical solution, the heat dissipation and dustproof shell supports the heat dissipation slot cover. The docking cover and the heat dissipation slot cover can achieve heat dissipation and dustproof treatment. The dustproof cover and the wiring sleeve are plugged in. The dustproof cover and the wiring sleeve are plugged in to achieve a sealed plugging in.

[0009] The technical effects and advantages of this utility model are as follows:

[0010] 1. This utility model adopts an end-adjustable dustproof component. The sliding column drives the sleeve block to move to the left, the sleeve block drives the outer ring cover to move to the left, the outer ring cover drives the side ring cover to move to the left, the positioning ring moves to the left along the outer wall of the servo motor output end, and the outer ring cover slides to the left along the outer wall of the inner ring cover. The outer ring cover and the inner ring cover can adjust the area to achieve dustproof operation on the outside of the end of the sleeve frame, and the dustproof effect of the servo motor is better.

[0011] 2. This utility model adopts a heat dissipation groove cover to support the docking cover. The docking cover and the heat dissipation groove cover can achieve heat dissipation and dust prevention. The dust cover and the wiring sleeve are plugged in, and the bottom of the wiring sleeve supports the spring. The dust cover and the wiring sleeve are plugged in. Before the wiring is transferred, the wiring sleeve and the dust cover can achieve dust prevention, which has a better dust prevention effect on the wiring part. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of the dustproof servo motor housing of this utility model.

[0013] Figure 2 This is a partial structural diagram of the connection between the sliding column and the sleeve block of this utility model.

[0014] Figure 3 This is a schematic diagram of a partial internal structure of the inner ring cover of this utility model.

[0015] Figure 4 This is a partial structural diagram of the connection between the heat dissipation vent cover and the docking cover of this utility model.

[0016] The attached diagram is labeled as follows: 1. Heat dissipation and dustproof shell; 2. Sleeve frame; 3. Sliding column; 4. Sleeve block; 5. Outer ring cover; 6. Side ring cover; 7. Positioning ring; 8. Inner ring cover; 9. Locking bolt; 10. Heat dissipation groove cover; 11. Connecting cover; 12. Wiring sleeve; 13. Dustproof cover; 14. Spring. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] As attached Figure 1 - Appendix Figure 4 The dustproof servo motor housing structure shown has an end-adjustable dustproof component. The end-adjustable dustproof component can adjust the area of ​​the outer ring cover 5 and the inner ring cover 8 to achieve dustproof operation on the outside of the end of the frame 2, resulting in better dustproof effect for the servo motor. The specific structure of the end-adjustable dustproof component is as follows.

[0019] In this technical solution, as shown in the appendix Figure 1 - Appendix Figure 3 As shown, the sleeve frame 2 is fixed to the outer wall of the heat dissipation and dustproof shell 1, and the sliding column 3 is slidably located on the inner wall of the sleeve frame 2. One end of the sliding column 3 is provided with an end adjustment dustproof component. The end adjustment dustproof component includes a sleeve block 4 fixedly installed at one end of the sliding column 3, and an outer ring cover 5 is fixedly connected to one end of the sleeve block 4. A side ring cover 6 is fixedly connected to one end of the outer ring cover 5, and a positioning ring 7 is fixedly installed on the inner wall of the side ring cover 6. An inner ring cover 8 is slidably connected to the inner wall of the outer ring cover 5, and the inner ring cover 8 is fixedly connected to the sleeve frame 2. The inner wall of the outer ring cover 5 and the outer wall of the inner ring cover 8 are both smooth surfaces, and the vertical cross-section of the outer ring cover 5 is circular. The vertical cross-section of the positioning ring 7 is circular, and the inner wall of the positioning ring 7 is smooth. A threaded locking bolt 9 is embedded on one side of the sleeve frame 2.

[0020] In this technical solution, the heat dissipation and dustproof shell 1 supports the frame 2, the frame 2 positions the sliding column 3, and the sliding column 3 is pulled to the left. The sliding column 3 drives the sleeve block 4 to move to the left, the sleeve block 4 drives the outer ring cover 5 to move to the left, the outer ring cover 5 drives the side ring cover 6 to move to the left, the side ring cover 6 drives the positioning ring 7 to move to the left, the positioning ring 7 moves to the left along the outer wall of the servo motor output end, and the outer ring cover 5 slides to the left along the outer wall of the inner ring cover 8. In this way, the outer ring cover 5 and the inner ring cover 8 can adjust the area to achieve dustproof operation on the outer end of the frame 2. The side ring cover 6 and the positioning ring 7 can achieve dustproof treatment on the outer end of the frame 2. After adjustment, the locking bolt 9 is rotated. The locking bolt 9 is threadedly connected to the frame 2, and the locking bolt 9 presses and locks the sliding column 3.

[0021] In this technical solution, as shown in the appendix Figure 4 As shown, one end of the heat dissipation and dustproof housing 1 is fixedly connected to a heat dissipation groove cover 10; one end of the heat dissipation groove cover 10 is provided with a cover pressure protection component; the cover pressure protection component includes a docking cover 11, a wiring sleeve 12, a dust cover 13, and a spring piece 14; the docking cover 11 is fixedly connected to one end of the heat dissipation groove cover 10, the wiring sleeve 12 is fixedly connected to the upper surface of the heat dissipation groove cover 10, the dust cover 13 is inserted into the outer wall of the wiring sleeve 12, and the spring piece 14 is fixedly located on the outer wall of the dust cover 13. The heat dissipation groove cover 10 and the docking cover 11 are connected, and the inner walls of both the docking cover 11 and the heat dissipation groove cover 10 are smooth surfaces. The dust cover 13 is connected to the wiring sleeve 12, and the top cross-sectional area of ​​the dust cover 13 is larger than the bottom cross-sectional area. The bottom end of the spring piece 14 is fixedly connected to the wiring sleeve 12, and the vertical cross-sectional shape of the spring piece 14 is arc-shaped.

[0022] In this technical solution, the heat dissipation and dustproof shell 1 supports the heat dissipation slot cover 10, and the heat dissipation slot cover 10 supports the docking cover 11. The docking cover 11 and the heat dissipation slot cover 10 can achieve heat dissipation and dustproof treatment. By pressing down the dustproof cover 13, the dustproof cover 13 is inserted into the wiring sleeve 12. The wiring sleeve 12 supports the bottom end of the spring piece 14, and the top end of the spring piece 14 is pressed down with the dustproof cover 13. The dustproof cover 13 and the wiring sleeve 12 are inserted into each other, so that the dustproof cover 13 and the wiring sleeve 12 achieve a sealed insertion. Before the wiring is transferred, the dustproof operation can be achieved through the wiring sleeve 12 and the dustproof cover 13.

[0023] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A dustproof servo motor housing structure, comprising a heat dissipation and dustproof housing (1), a sleeve frame (2), and a sliding column (3), wherein the sleeve frame (2) is fixed to the outer wall of the heat dissipation and dustproof housing (1), and the sliding column (3) is slidably located on the inner wall of the sleeve frame (2), characterized in that: One end of the sliding column (3) is provided with an end adjustment dustproof component; The end adjustment dustproof assembly includes a sleeve block (4) fixedly disposed at one end of the sliding column (3), and an outer ring cover (5) is fixedly connected to one end of the sleeve block (4), a side ring cover (6) is fixedly connected to one end of the outer ring cover (5), and a positioning ring (7) is fixedly installed on the inner wall of the side ring cover (6). The inner wall of the outer ring cover (5) is slidably connected to the inner ring cover (8), and the inner ring cover (8) is fixedly connected to the sleeve frame (2).

2. The dustproof servo motor housing structure according to claim 1, characterized in that: The inner wall of the outer ring cover (5) and the outer wall of the inner ring cover (8) are both smooth surfaces, and the vertical cross-sectional shape of the outer ring cover (5) is circular.

3. The dustproof servo motor housing structure according to claim 1, characterized in that: The vertical cross-section of the positioning ring (7) is circular, and the inner wall of the positioning ring (7) is smooth. A threaded locking bolt (9) is embedded on one side of the sleeve frame (2).

4. The dustproof servo motor housing structure according to claim 1, characterized in that: One end of the heat dissipation and dustproof shell (1) is fixedly connected to a heat dissipation groove cover (10); One end of the heat dissipation shroud (10) is provided with a cover pressure protection component; The cover protection assembly includes a docking cover (11), a wiring sleeve (12), a dust cover (13), and a spring clip (14); The docking cover (11) is fixedly connected to one end of the heat dissipation trough cover (10), the wiring sleeve (12) is fixedly connected to the upper surface of the heat dissipation trough cover (10), the dust cover (13) is inserted into the outer wall of the wiring sleeve (12), and the spring piece (14) is fixedly located on the outer wall of the dust cover (13).

5. The dustproof servo motor housing structure according to claim 4, characterized in that: The heat dissipation sump cover (10) and the docking cover (11) are connected, and the inner walls of the docking cover (11) and the heat dissipation sump cover (10) are both smooth surfaces.

6. The dustproof servo motor housing structure according to claim 4, characterized in that: The dust cover (13) is connected to the wiring sleeve (12), and the top cross-sectional area of ​​the dust cover (13) is larger than the bottom cross-sectional area.

7. The dustproof servo motor housing structure according to claim 4, characterized in that: The bottom end of the spring piece (14) is fixedly connected to the wire sleeve (12), and the vertical cross-section of the spring piece (14) is arc-shaped.