Motor wiring sleeve component structure

Abstract

The invention discloses a motor wiring sleeve component, which comprises a wiring sleeve (101) and a plurality of wiring sheets (102), and is characterized in that the plurality of wiring sheets (102) are assembled in the wiring sleeve (101) through buckle limiting structures (202); a guide inclined plane (104) for preventing the insertion dislocation of the lead pin is arranged at the butt joint of the lug plate (102) and the external lead pin; the two sides of the wiring sleeve (101) are provided with opening groove structures (201) used for being installed with insulation sleeves (302) on a stator punching sheet in a matched mode, the opening groove structures (201) are used for reducing the size of the whole stator component, and the opening groove structures (201) are connected with the mushroom head fasteners (301). A stator winding enters through the winding guide port (106) and is clamped by the lug plate welding structure (103), defined as an initial state, on the lug plate (102), and the winding and the lug plate (102) are compressed and welded together to be in a compressed welding state. The device is reasonable in structure and good in manufacturability, and has good practical value and popularization prospect.

Description

Technical Field

[0001] This invention belongs to the field of motor component technology, specifically relating to a brushless motor wiring sleeve component. Its structure mainly consists of a wiring sleeve and a wiring piece. This component is used to realize the electrical connection between the motor control module and the motor body: the wiring sleeve at one end is fixedly connected to the insulating sleeve of the motor stator, and the wiring piece at the other end is connected to the output pin of the motor control module, realizing the transmission of electrical signals and power from the control module to the motor windings. Background Technology

[0002] The structure of a brushless motor mainly includes a stator assembly, a rotor assembly, a worm gear assembly, a reducer housing assembly, and a pressure cap assembly. The stator assembly comprises stator laminations, a motor housing, and a terminal block assembly. The terminal block, as a critical electrical interface, connects one end to the stator windings and the other end to the plug on the pressure cap assembly, forming a conductive path between the windings and the external control module. Its core function is to ensure the safe and reliable transmission of internal and external signals.

[0003] The terminal block, serving as the connection interface between the motor stator winding and the external control module, has a large overall structure, occupying significant space and hindering the miniaturization and compact design of the entire machine. The connection structure between the terminal block and the insulating sleeve lacks sufficient strength; current technology relies solely on injection molding to ensure bonding force, which is prone to loosening under long-term vibration, affecting the reliability of the electrical connection. Due to the small diameter of the wire-passing hole, the stator winding turns must be threaded manually, making fully automated production impossible. This method is inefficient and struggles to guarantee consistent quality, severely restricting the improvement of production automation levels. If the terminal block's height exceeds the terminal block's height excessively, it can cause interference between the terminal block and the reducer housing, or even contact with the reducer housing, leading to a short circuit. Furthermore, the insertion structure between the motor control module pins and the terminal block lacks an effective guiding design, making it prone to pin misalignment, breakage, or poor contact during assembly, directly affecting product yield and potentially causing connection failures and other quality problems during subsequent use.

[0004] To address the aforementioned shortcomings, the inventors systematically optimized the wiring sleeve structure. Summary of the Invention

[0005] The purpose of this invention is to address the problems existing in existing connector sleeve components by systematically optimizing them through structural innovation. This includes reducing component volume by adding an opening slot; enhancing the connection strength and vibration resistance with the insulating sleeve using double-sided positioning and mushroom-shaped fasteners; changing the wire hole to an open guide structure to accommodate automated wire management by robotic arms; reducing the height at both ends of the connector sleeve using a structure to prevent excessive height while maintaining a constant front height, ensuring the connector is below the surface of the connector sleeve to prevent short circuits and interference; and adding a guide ramp and a bidirectional limiting structure to the insertion point to effectively prevent misalignment and damage, thereby comprehensively improving connection reliability, production efficiency, and assembly qualification rate.

[0006] The technical solution of the present invention: A motor terminal sleeve component includes a terminal sleeve 101 and terminal pieces 102. Multiple terminal pieces 102 are assembled inside the terminal sleeve 101 by a snap-fit ​​limiting structure 202. A guide slope 104 is provided at the docking point between the terminal piece 102 and the external lead to prevent misalignment of the lead. The wiring sleeve 101 has an opening groove structure 201 on both sides for installation with the insulating sleeve 302 on the stator lamination. The opening groove structure 201 is used to reduce the overall volume of the stator component. The mushroom head fastener 301 is connected to the opening groove structure 201 to make the overall structure more reliable. The stator winding enters through the winding guide port 106 and is clamped by the terminal welding structure 103 on the terminal piece 102, which is defined as the initial state. This compresses the winding and the terminal piece 102, welding them together to form a compressed welded state. Figure 4 .

[0007] The stator winding is directly welded to the terminal block 102 using enameled wire with direct solderability.

[0008] The original threading hole was replaced with an open winding guide port 106.

[0009] The height of the structure on both sides of the connector sleeve 101 that contacts the connector piece 102 is reduced as a structure 105 to prevent excessive height. Its purpose is to prevent the connector piece 102 from exceeding the height limit during installation and interfering with other parts.

[0010] This invention has the following characteristics: 1. This invention reduces the size of components by adding an open slot structure while ensuring electrical performance, making it more suitable for the installation requirements of compact motors.

[0011] 2. By improving the mating structure of the wiring sleeve and the insulating sleeve, and adopting a double-sided positioning and mushroom-shaped fastener connection structure design, the connection strength is effectively improved, ensuring that a stable electrical connection can still be maintained in a vibration environment.

[0012] 3. To meet the needs of automated production, the original wire-threading hole was replaced with an open winding guide, which enabled the robotic arm to automatically manage the stator windings, greatly improving production efficiency and quality consistency.

[0013] 4. A guide bevel and positioning structure are added to the mating part of the connector and the control module pin, which effectively prevents misalignment and damage during the insertion process. In addition, a limit buckle structure is added, which significantly improves the assembly qualification rate.

[0014] 5. The structure on both sides of the connector sleeve and connector contact plate has a height prevention structure. The purpose is to prevent the connector from exceeding the height limit during installation, which could cause interference and short circuit with other parts.

[0015] 6. The present invention has a reasonable structure, good processability, and good practical value and promotion prospects. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the wiring sleeve component; Figure 2 This is a bottom view of the wiring sleeve component; Figure 3 This is a schematic diagram of the stator components; Figure 4 This is a schematic diagram of the component to be welded.

[0017] Figure label: 101. Terminal sleeve; 102. Terminal piece; 103. Terminal piece welding structure; 104. Guide slope; 105. Anti-overheight structure; 106. Winding guide opening. 201. Opening groove structure; 202. Buckle limiting structure; 301. Mushroom-head fastener; 302. Insulating sleeve. Detailed Implementation

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] like Figure 1-4 As shown, a motor wiring sleeve component includes a wiring sleeve 101 and wiring pieces 102. This component is used to realize the electrical connection between the motor control module and the motor body: the wiring sleeve is fixedly connected to the insulating sleeve of the motor stator, the wiring pieces are connected to the output pins of the motor control module, multiple wiring pieces 102 are assembled inside the wiring sleeve 101 and reliably fixed by a limiting buckle structure 202; the height of the anti-excess-height structure 105 on both sides of the wiring sleeve 101 and the wiring pieces 102 is lower than the height of the wiring pieces, the purpose of which is to prevent the height of the wiring pieces from exceeding the limit during installation, causing interference and short circuits with other parts; a guide slope 104 is provided at the docking point of the wiring piece 102 and the external pin, which can effectively prevent the pin from being misaligned and avoid damage to the component.

[0020] The terminal sleeve 101 has open slot structures 201 on both sides for mate with the insulating sleeves 302 on the stator laminations. Mushroom-head fasteners 301 connect to the open slot structures 201, achieving bidirectional positioning and fastening. This structure enhances connection reliability while reducing overall volume, resulting in a more efficient stator assembly. Figure 3 As shown.

[0021] The stator winding enters through the winding guide port 106 and is clamped by the terminal welding structure 103 on the terminal piece 102, which is defined as the initial state, pressing the winding and the terminal piece 102 together. Figure 4 The winding and the connecting piece 102 are then welded together. Because direct-solderable enameled wire is used, the winding can be directly welded to the connecting piece 102, making the process simple and reliable. This open-guide structure supports automatic wire management by a robotic arm, fully meeting the requirements of automated production and contributing to improved production efficiency and product consistency.

[0022] This invention, while ensuring electrical performance, reduces component size by adding an open slot structure, making it more suitable for the installation requirements of compact motors. By improving the mating structure of the terminal sleeve and insulating sleeve, and adopting a double-sided positioning and mushroom-shaped fastener connection structure, the connection strength is effectively improved, ensuring stable electrical connection even under vibration. To meet the needs of automated production, the wire-passing hole is changed to an open guide structure, enabling automated wire management of the stator winding by a robotic arm, significantly improving production efficiency and quality consistency. Simultaneously, a guide bevel and positioning structure are added to the mating area between the terminal piece and the control module pin, effectively preventing misalignment and damage during insertion, and increasing axial and circumferential limiting, significantly improving the assembly qualification rate. This invention has a reasonable structure, good manufacturability, and good practical value and prospects for promotion.

[0023] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of protection of the claims.

Claims

1. A motor wiring sleeve component, characterized in that: It includes a connector sleeve (101) and connector pieces (102). Multiple connector pieces (102) are assembled inside the connector sleeve (101) by a snap-fit ​​limiting structure (202). A guide slope (104) is provided at the joint between the connector piece (102) and the external pin to prevent misalignment of the pin insertion. The wiring sleeve (101) has an opening groove structure (201) on both sides for installation with the insulating sleeve (302) on the stator lamination. The opening groove structure (201) is used to reduce the overall volume of the stator component. The opening groove structure (201) is connected to the mushroom head fastener (301). The stator winding enters through the winding guide port (106) and is clamped by the terminal welding structure (103) defined as the initial state on the terminal piece (102), which compresses the winding and the terminal piece (102) and welds them together to form a compressed welding state.

2. The motor wiring sleeve component as described in claim 1, characterized in that: The connecting piece (102) is directly welded to the stator winding using direct-weld enameled wire.

3. The motor wiring sleeve component as described in claim 1, characterized in that: The winding guide (106) is open and replaces the original wire threading hole.

4. The motor terminal block component as described in claim 1, characterized in that: The height of the structure on both sides of the connector sleeve (101) and connector plate (102) is reduced as a structure (105) to prevent excessive height. This is to prevent the height of the connector plate (102) from exceeding the limit during installation and interfering with other parts.

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