Riveted motor structure

Through riveted motor structure and injection molding technology, the structural design and production process of stepper motors are simplified, the cost is reduced, and the assembly stability and protection effect are improved, solving the problems of complex structure and high production cost of traditional stepper motors.

CN222356054UActive Publication Date: 2025-01-14HUIZHOU LONGDE TECH CO LTD
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Patent Information

Application Number
CN202420268007.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-02-04
Publication Date
2025-01-14
Estimated Expiration
2034-02-04

AI Technical Summary

Technical Problem

Traditional stepper motors have complex structures and cumbersome production processes, resulting in high production costs and it is difficult to meet the needs of factory automation and office automation.

Method used

Using a riveted motor structure, the casing, front cover and rear cover are connected by riveting, and the stator assembly and the skeleton are injected into an integrated structure, reducing the assembly process, and using the combination of springs and sliding columns to achieve stable installation of the protective plate, instead Traditional spot welding connection.

Benefits of technology

It simplifies structural design and production process, reduces production costs, improves assembly stability and protection effect, and prevents dust and foreign matter from entering, and is suitable for the long-term promotion of stepper motors.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a riveted motor structure, and belongs to the technical field of motors, the riveted motor structure comprises a housing, the inner wall of the housing is fixedly provided with latches, the inner side of the housing is provided with a skeleton, the inner wall of the skeleton is provided with a clamping groove, the inner wall of the skeleton is provided with a stator assembly, the outer side of the housing is riveted with a front cover, and the front cover is provided with a clamping groove. A rear cover is riveted to the side, away from the front cover, of the machine shell, a limiting ring is fixedly assembled on the inner wall of the middle of the rear cover, and riveting openings are evenly assembled in the inner wall of the rear cover. The framework is installed at the inner wall position of the casing until the clamping teeth are inserted into the inner wall positions of the clamping grooves, and then the clamping teeth, the front cover and the rear cover are connected together in a riveting mode, so that a traditional spot welding mode can be replaced for connection, the structure becomes simple and energy-saving, meanwhile, the stator assembly and the framework are integrated through injection molding, and the cost is reduced. Therefore, the assembly process in production is reduced, the cost is saved, and various devices do not need to be used.
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Description

Technical Field

[0001] The present application relates to the field of motor technology, and in particular to a riveted motor structure. Background Art

[0002] Stepper motors have become the third type of motors besides DC motors and AC motors. As electromechanical energy conversion devices, traditional motors play a key role in the electrification of human production and life. However, as human society enters the era of automation, the functions of traditional motors can no longer meet the requirements of various motion control systems such as factory automation and office automation.

[0003] The structure of stepper motors is relatively complex, especially those used in the printer industry. The structure has remained basically unchanged for decades, which has greatly hindered the development of the stepper motor industry. The structure is too complex, the production process is cumbersome, and a large number of equipment are used, resulting in high production costs, which is not conducive to long-term promotion and use. Utility Model Content

[0004] In view of the deficiencies of the prior art, the present application provides a riveted motor structure, which overcomes the deficiencies of the prior art and aims to solve the problems in the prior art.

[0005] To achieve the above-mentioned objectives, the present application provides the following technical solutions: a riveted motor structure, comprising a casing, an inner wall of the casing is fixedly equipped with a clamping tooth, an inner side of the casing is provided with a frame, an inner wall of the frame is provided with a clamping groove, an inner wall of the frame is provided with a stator assembly, a front cover is riveted to the outer side of the casing, a rear cover is riveted to the side of the casing away from the front cover, a limiting ring is fixedly equipped with an inner wall position of the middle part of the rear cover, a rivet interface is evenly equipped with an inner wall of the rear cover, three positioning blocks are fixedly equipped with a side of the rear cover away from the rivet interface, an installation groove is provided on the inner wall of the positioning block, one end of a spring is fixedly connected to the inner wall of the installation groove, a sliding column is fixedly connected to the other end of the spring, a toggle block is fixedly equipped on the outer edge of the sliding column, a plug rod is fixedly equipped on the side of the sliding column away from the spring, a sliding groove is provided on the inner wall of the positioning block, a protective plate is provided on the side of the rear cover close to the positioning block, and a socket is provided on the inner wall of the protective plate.

[0006] As a preferred technical solution of the present application, the latch teeth, front cover and rear cover are all connected by riveting, the stator assembly and the frame are injection molded into an integrated structure, the inner wall of the stator assembly is fixedly connected with an output shaft, and one end of the output shaft is rotatably connected to the inner wall position of the limit ring.

[0007] By adopting the above technical solution, the traditional spot welding connection method can be replaced, making the structure simpler and more energy-saving, and the stator assembly and the frame are injection molded into an integrated structure, which reduces the assembly process in production and saves costs.

[0008] As a preferred technical solution of the present application, the latching teeth are inserted into the inner wall of the latching slot.

[0009] By adopting the above technical solution, the frame can be stably installed on the inner wall of the casing, thereby ensuring that it will not shake randomly after assembly.

[0010] As a preferred technical solution of the present application, the spring is movably connected to the inner wall position of the mounting groove, the sliding column is slidably connected to the inner wall position of the mounting groove, the inner wall diameter of the mounting groove is matched with the outer edge diameter of the sliding column, and the toggle block is slidably connected to the inner wall position of the sliding groove.

[0011] By adopting the above technical solution, the sliding column will not shake randomly when moving on the inner wall of the installation groove. At the same time, the toggle block is slidably connected to the inner wall of the slide groove, so that the position of the insertion rod can be adjusted by pulling the toggle block, thereby facilitating the installation and disassembly of the protective plate.

[0012] As a preferred technical solution of the present application, the insertion rod is slidably connected to the inner wall position of the positioning block, and one end of the insertion rod away from the sliding column is inserted into the inner wall position of the insertion hole.

[0013] By adopting the above technical solution, the protective plate can be stably limited at the outer position of the back cover, thereby ensuring the protection of the riveting interface and the limiting ring, ensuring that dust and foreign matter will not enter the inner cavity of the casing at will, and improving the protection effect.

[0014] As a preferred technical solution of the present application, three clearance grooves are evenly opened on the inner wall of the protective plate, and three positioning blocks are arranged on the inner wall positions of the clearance grooves.

[0015] By adopting the above technical solution, it is possible to ensure that the positioning block will not be in a protruding position, and it is convenient for the insertion rod to be inserted into the inner wall position of the insertion hole.

[0016] Beneficial effects of this application:

[0017] 1. By installing the frame to the inner wall of the casing until the latch is inserted into the inner wall of the slot, and then connecting the latch, front cover and rear cover together by riveting, the traditional spot welding connection can be replaced, making the structure simple and energy-saving. At the same time, the stator assembly and the frame are injection molded into an integrated structure, which reduces the assembly process in production, saves costs, and does not require the use of multiple equipment.

[0018] 2. Pull the toggle block to move the sliding column and the plug rod until the plug rod is moved to the inner cavity position of the positioning block, and then install the protective plate to the outer position of the back cover, thereby loosening the toggle block and using the spring rebound force to insert the plug rod into the inner wall position of the hole, thereby protecting the riveting interface and the limit ring, ensuring that dust and foreign matter will not enter the inner cavity position of the casing at will, thereby improving the protection effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall explosion structure of this application;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the positioning block of this application;

[0021] Figure 3 For this application Figure 2 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. Casing; 2. Frame; 3. Slot; 4. Gear; 5. Stator assembly; 6. Front cover; 7. Rear cover; 8. Rivet interface; 9. Limiting ring; 10. Positioning block; 11. Mounting slot; 12. Spring; 13. Sliding column; 14. Toggle block; 15. Rod; 16. Slide slot; 17. Protective plate; 18. Socket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0024] Reference Figure 1-3 The riveted motor structure includes a housing 1, an inner wall of the housing 1 is fixedly equipped with a clamping tooth 4, a frame 2 is provided on the inner side of the housing 1, a clamping groove 3 is provided on the inner wall of the frame 2, a stator assembly 5 is provided on the inner wall of the frame 2, a front cover 6 is riveted on the outer side of the housing 1, a rear cover 7 is riveted on the side of the housing 1 away from the front cover 6, a limiting ring 9 is fixedly equipped on the inner wall position of the middle part of the rear cover 7, a riveting interface 8 is evenly equipped on the inner wall of the rear cover 7, and three positioning Block 10, the inner wall of the positioning block 10 is provided with a mounting groove 11, the inner wall of the mounting groove 11 is fixedly connected with one end of a spring 12, the other end of the spring 12 is fixedly connected with a sliding column 13, the outer edge of the sliding column 13 is fixedly equipped with a toggle block 14, the side of the sliding column 13 away from the spring 12 is fixedly equipped with an insertion rod 15, the inner wall of the positioning block 10 is provided with a sliding groove 16, and a protective plate 17 is provided on the side of the rear cover 7 close to the positioning block 10, and a socket 18 is provided on the inner wall of the protective plate 17.

[0025] Reference Figure 1 The latch teeth 4, the front cover 6 and the rear cover 7 are all connected by riveting, the stator assembly 5 and the frame 2 are injection molded into an integrated structure, the inner wall of the stator assembly 5 is fixedly connected with an output shaft, and one end of the output shaft is rotatably connected to the inner wall position of the limit ring 9. The latch teeth 4, the front cover 6 and the rear cover 7 are all connected by riveting, which can replace the traditional spot welding connection method, making the structure simple and energy-saving, and the stator assembly 5 and the frame 2 are injection molded into an integrated structure, which reduces the assembly process in production and saves costs.

[0026] Reference Figure 1 The latch teeth 4 are inserted into the inner wall of the latch slot 3, so that the frame 2 can be stably installed on the inner wall of the housing 1, thereby ensuring that it will not shake randomly after assembly.

[0027] Reference Figure 2 and Figure 3 The spring 12 is movably connected to the inner wall position of the mounting groove 11, the sliding column 13 is slidably connected to the inner wall position of the mounting groove 11, the inner wall diameter of the mounting groove 11 is adapted to the outer edge diameter of the sliding column 13, and the toggle block 14 is slidably connected to the inner wall position of the slide groove 16. By adapting the inner wall diameter of the mounting groove 11 to the outer edge diameter of the sliding column 13, the sliding column 13 will not shake at will when moving at the inner wall position of the mounting groove 11. At the same time, the toggle block 14 is slidably connected to the inner wall position of the slide groove 16, so that pulling the toggle block 14 can adjust the position of the plug 15, thereby facilitating the installation and disassembly of the protective plate 17.

[0028] Reference Figure 2 and Figure 3 The insertion rod 15 is slidably connected to the inner wall position of the positioning block 10, and the end of the insertion rod 15 away from the sliding column 13 is inserted into the inner wall position of the insertion hole 18. By inserting the end of the insertion rod 15 away from the sliding column 13 into the inner wall position of the insertion hole 18, the protective plate 17 can be stably limited to the outer position of the rear cover 7, thereby ensuring the protection of the riveting interface 8 and the limiting ring 9, ensuring that dust and foreign matter will not enter the inner cavity of the casing 1 at will, and improving the protection effect.

[0029] Reference Figure 2 and Figure 3 The inner wall of the protective plate 17 is evenly provided with three clearance grooves, and three positioning blocks 10 are arranged on the inner wall positions of the clearance grooves, so that the positioning blocks 10 are guaranteed not to be in a protruding position and the insertion rod 15 is conveniently inserted into the inner wall position of the insertion hole 18.

[0030] Working principle: When using the device, first install the skeleton 2 to the inner wall position of the casing 1 until the latch 4 is inserted into the inner wall position of the slot 3, and then connect the latch 4, the front cover 6 and the rear cover 7 together by riveting, and then pull the toggle block 14 to drive the sliding column 13 and the insertion rod 15 to move until the insertion rod 15 is moved to the inner cavity position of the positioning block 10, and then install the protective plate 17 to the outer side of the rear cover 7 until the positions of the insertion rod 15 and the socket 18 are aligned, so as to release the toggle block 14 and insert the insertion rod 15 into the inner wall position of the socket 18 with the help of the rebound force of the spring 12, thereby protecting the riveting interface 8 and the limit ring 9, ensuring that dust and foreign matter will not enter the inner cavity position of the casing 1 at will, thereby improving the protection effect.

[0031] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. Although the present application is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A riveted motor structure, comprising a housing (1), characterized in that: The inner wall of the housing (1) is fixedly equipped with a latching tooth (4), the inner side of the housing (1) is provided with a frame (2), the inner wall of the frame (2) is provided with a latching groove (3), the inner wall of the frame (2) is provided with a stator assembly (5), the outer side of the housing (1) is riveted with a front cover (6), the side of the housing (1) away from the front cover (6) is riveted with a rear cover (7), a limit ring (9) is fixedly equipped at the inner wall position of the middle part of the rear cover (7), the inner wall of the rear cover (7) is evenly equipped with riveting interfaces (8), and the side of the rear cover (7) away from the riveting interfaces (8) is fixedly equipped with three positioning blocks (10), The inner wall of the positioning block (10) is provided with a mounting groove (11), one end of a spring (12) is fixedly connected to the inner wall of the mounting groove (11), the other end of the spring (12) is fixedly connected to a sliding column (13), the outer edge of the sliding column (13) is fixedly equipped with a toggle block (14), the side of the sliding column (13) away from the spring (12) is fixedly equipped with an insertion rod (15), the inner wall of the positioning block (10) is provided with a sliding groove (16), and the side of the rear cover (7) close to the positioning block (10) is provided with a protective plate (17), and the inner wall of the protective plate (17) is provided with a plug hole (18).

2. The riveted motor structure according to claim 1, characterized in that: The latching teeth (4), the front cover (6) and the rear cover (7) are all connected by riveting, the stator assembly (5) and the frame (2) are injection-molded into an integrated structure, the inner wall of the stator assembly (5) is fixedly connected to an output shaft, and one end of the output shaft is rotatably connected to the inner wall of the limit ring (9).

3. The riveted motor structure according to claim 1, characterized in that: The latching teeth (4) are inserted into the inner wall of the latching slot (3).

4. The riveted motor structure according to claim 1, characterized in that: The spring (12) is movably connected to the inner wall of the installation groove (11), the sliding column (13) is slidably connected to the inner wall of the installation groove (11), the inner wall diameter of the installation groove (11) is matched with the outer edge diameter of the sliding column (13), and the toggle block (14) is slidably connected to the inner wall of the slide groove (16).

5. The riveted motor structure according to claim 1, characterized in that: The insertion rod (15) is slidably connected to the inner wall of the positioning block (10), and one end of the insertion rod (15) away from the sliding column (13) is inserted into the inner wall of the insertion hole (18).

6. The riveted motor structure according to claim 1, characterized in that: The inner wall of the protective plate (17) is evenly provided with three clearance grooves, and three positioning blocks (10) are arranged at the inner wall positions of the clearance grooves.