Direct-drive outer rotor motor for electric roller

Abstract

The utility model relates to a direct-drive external rotor motor for an electric roller, which is characterized in that the direct-drive external rotor motor comprises an external rotor module (1) and an internal stator module (2), and the external rotor module (1) is matched with a bearing seat butt-joint bulge (282) of a bearing seat (28) of the internal stator module (2) through a butt-joint clamping groove (143) of a rotor shell (14) to perform positioning butt-joint; and a riveting opening (142) of a rotor shell (14) of the outer rotor module (1) is deformed and pressed into a bearing seat riveting opening (281) of a bearing seat (28) of the inner stator module (2) for matching, so that the structure is firm and an integral body is formed. The direct-driven outer rotor motor forms a module, the non-standard problem and the modularization and standardization problem of the length change of the electric roller are solved, and the production efficiency and the yield are improved.

Description

Technical Field

[0001] The utility model relates to a direct-drive outer rotor motor for an electric roller in the field of electric rollers. Background Art

[0002] At present, in the design of the internal structure of the electric roller, the magnets usually need to be pasted on the steel pipe of the electric roller. Since the steel pipe is long, the process of pasting the magnets is complicated. In the field of electric rollers, the length is a parameter that changes frequently. Each change will cause the change of the overall installation process, and the efficiency and yield rate are low. In order to improve the standardization and installation speed of the electric roller, a motor needs to be designed to solve the above problems. Utility Model Content

[0003] Based on the above and the deficiencies of the existing structures, the utility model provides a direct-drive outer rotor motor for a motorized roller to solve the above standardization and modularization requirements and improve production efficiency and yield rate.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A direct-drive outer rotor motor for an electric roller, characterized in that it is composed of an outer rotor module (1) and an inner stator module (2), wherein the outer rotor module (1) is positioned and docked by cooperating with a docking groove (143) of a rotor shell (14) and a bearing seat docking protrusion (282) of a bearing seat (28) of the inner stator module (2), and a rivet interface (142) of the rotor shell (14) of the outer rotor module (1) is deformed and pressed into a bearing seat rivet interface (281) of the bearing seat (28) of the inner stator module (2) to cooperate, so that the structure is firmly formed as a whole.

[0006] The outer rotor module (1) is composed of a tensioning clamp (11), a support seat mounting screw (12), a support seat (13), a rotor shell (14), an input deep groove ball bearing (15), a magnet support frame (16) and a magnet (17).

[0007] The inner stator module (2) is composed of a shock absorbing spring (21), a stator winding (22), a Hall circuit board (23), a motor mounting shaft (24), an output cable (25), an output deep groove ball bearing (26), a disc spring washer (27), a bearing seat (28) and a hexagonal flange nut (29).

[0008] The rotor shell (14) is formed by deep drawing in one piece and is provided with a mounting threaded hole (141), a riveting interface (142) and a docking slot (143).

[0009] The bearing seat (28) is integrally die-cast and is provided with a bearing seat riveting interface (281) and a bearing seat docking protrusion (282).

[0010] The tensioning clamp (11) is provided with a clamp protrusion (111) which forms an interference fit with the steel pipe to transmit power; the tensioning clamp (11) is mounted on the support seat (13) and is blocked by a support seat stopper (132) to prevent movement; the support seat (13) is mounted on a corresponding mounting threaded hole (141) of the rotor shell (14) via a support seat mounting screw (12);

[0011] The output cable (25) is provided with an output cable connector (251) which is plugged into and connected to a Hall board connector (231) provided on the Hall circuit board (23) to achieve power supply and signal connection.

[0012] Compared with the traditional structure that requires sticking magnets on steel pipes, the utility model realizes the standardization and modularization of products and improves the production efficiency and the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to make the purpose, technical solution and advantages of the utility model more clearly described, the utility model will be further described below in conjunction with the accompanying drawings, wherein:

[0014] Figure 1 This is a schematic diagram of the general assembly of the utility model

[0015] Figure 2 This is a schematic diagram of the decomposition of the outer rotor module of the utility model

[0016] Figure 3 This is a schematic diagram of the internal stator module of the utility model.

[0017] Figure 4 This is the overall installation structure diagram of the utility model

[0018] In the figure: an outer rotor module (1); a tensioning clamp (11); a clamp protrusion (111); a support seat mounting screw (12); a support seat (13); a support seat mounting hole (131); a support seat stopper (132); a rotor shell (14); a mounting threaded hole (141); a rivet interface (142); a docking slot (143); an input deep groove ball bearing (15); a magnet support frame (16); a magnet (17); an inner stator module (2); a damping spring (21); a stator winding (22); a Hall circuit board (23); a Hall board connector (231); a motor mounting shaft (24); an output hexagonal shaft (241); an output cable (25); an output cable connector (251); an output deep groove ball bearing (26); a disc spring washer (27); a bearing seat (28); a bearing seat rivet interface (281); a bearing seat docking protrusion (282); and a hexagonal flange nut (29). DETAILED DESCRIPTION

[0019] The specific implementation of the present utility model is described below with reference to the accompanying drawings.

[0020] The technical solution adopted by the utility model is as follows:

[0021] like Figure 1 As shown, a direct-drive outer rotor motor for an electric roller is characterized in that it is composed of an outer rotor module (1) and an inner stator module (2), wherein the outer rotor module (1) is positioned and docked by cooperating with a docking groove (143) of a rotor shell (14) and a bearing seat docking protrusion (282) of a bearing seat (28) of the inner stator module (2), and a rivet interface (142) of the rotor shell (14) of the outer rotor module (1) is deformed and pressed into a bearing seat rivet interface (281) of the bearing seat (28) of the inner stator module (2) to cooperate, so that the structure is firmly formed into an integral whole.

[0022] like Figure 2 As shown, the outer rotor module (1) is composed of a tensioning clamp (11), a support seat mounting screw (12), a support seat (13), a rotor shell (14), an input deep groove ball bearing (15), a magnet support frame (16) and a magnet (17); wherein the rotor shell (14) is formed by deep drawing and is provided with a mounting threaded hole (141), a riveting interface (142) and a docking slot (143); wherein the tensioning clamp (11) is provided with a clamp protrusion (111) which forms an interference fit with the steel pipe to transmit power; the tensioning clamp (11) is installed on the support seat (13) and is blocked by a support seat stopper (132) to prevent movement; the support seat (13) is installed on the corresponding mounting threaded hole (141) of the rotor shell (14) by the support seat mounting screw (12).

[0023] like Figure 3 As shown, the inner stator module (2) is composed of a damping spring (21), a stator winding (22), a Hall circuit board (23), a motor mounting shaft (24), an output cable (25), an output deep groove ball bearing (26), a disc spring washer (27), a bearing seat (28) and a hexagonal flange nut (29); wherein the bearing seat (28) is integrally die-cast and is provided with a bearing seat rivet interface (281) and a bearing seat docking protrusion (282); wherein the output cable (25) is provided with an output cable connector (251) which is plugged and connected to a Hall plate connector (231) provided on the Hall circuit board (23) to achieve power supply and signal connection.

[0024] like Figure 4 The figure shown is an example after the overall structure is assembled.

[0025] Compared with the traditional structure that requires sticking magnets on steel pipes, the utility model realizes the standardization and modularization of products and improves the production efficiency and yield rate.

[0026] Although the above describes the specific implementation methods of the utility model in combination with the accompanying drawings, it is not intended to limit the scope of protection of the utility model. Technical personnel in the relevant field should understand that on the basis of the technical solution of the utility model, various modifications or deformations that can be made by technical personnel in this field without creative work are still within the scope of protection of the utility model.

Claims

1. A direct-drive outer rotor motor for a motorized roller, characterized in that: The outer rotor module (1) is composed of an outer rotor module (1) and an inner stator module (2). The outer rotor module (1) is positioned and docked by cooperating with a docking groove (143) of a rotor shell (14) and a bearing seat docking protrusion (282) of a bearing seat (28) of an inner stator module (2). The rivet interface (142) of the rotor shell (14) of the outer rotor module (1) is deformed and pressed into a bearing seat rivet interface (281) of the bearing seat (28) of the inner stator module (2) to cooperate with each other, so that the structure is firmly formed into an integral whole.

2. A direct-drive outer rotor motor for an electric roller according to claim 1, characterized in that: The outer rotor module (1) is composed of a tensioning clamp (11), a support seat mounting screw (12), a support seat (13), a rotor shell (14), an input deep groove ball bearing (15), a magnet support frame (16) and a magnet (17).

3. The direct-drive outer rotor motor for an electric roller according to claim 1, characterized in that: The inner stator module (2) is composed of a damping spring (21), a stator winding (22), a Hall circuit board (23), a motor mounting shaft (24), an output cable (25), an output deep groove ball bearing (26), a disc spring washer (27), a bearing seat (28) and a hexagonal flange nut (29).

4. A direct-drive outer rotor motor for an electric roller according to claim 1, characterized in that: The rotor shell (14) is formed by deep drawing in one piece and is provided with a mounting threaded hole (141), a riveting interface (142) and a docking slot (143).

5. The direct-drive outer rotor motor for an electric roller according to claim 1, characterized in that: The bearing seat (28) is integrally die-cast and is provided with a bearing seat riveting interface (281) and a bearing seat docking protrusion (282).

6. A direct-drive outer rotor motor for an electric roller according to claim 2, characterized in that: The tension clamp (11) is provided with a clamp protrusion (111) which forms an interference fit with the steel pipe to transmit power; the tension clamp (11) is installed on the support seat (13) and is blocked by the support seat stopper (132) to prevent movement; the support seat (13) is installed on the corresponding mounting threaded hole (141) of the rotor shell (14) through the support seat mounting screw (12).

7. A direct-drive outer rotor motor for an electric roller according to claim 3, characterized in that: The output cable (25) is provided with an output cable connector (251) which is plugged into and connected to a Hall board connector (231) provided on the Hall circuit board (23) to achieve power supply and signal connection.

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