Wiring assembly structure of motor

Abstract

The utility model provides a wiring assembly structure of a motor, which comprises a shell and a winding framework arranged in the shell, the winding framework is provided with a coil wound along the circumferential direction, the side circumferential wall of the winding framework is provided with a wiring seat, the wiring seat is provided with two wiring slots, and each wiring slot corresponds to a wiring insertion piece; the two lead ends of the coil penetrate into the two wiring slots of the wiring base respectively, one end of each wiring insertion piece is a wire insertion end, the other end of each wiring insertion piece is a wiring end, and the wire insertion ends are inserted into the corresponding wiring slots so that the lead ends of the coil can be fastened and electrically connected. According to the scheme, the wire holder is arranged on the winding framework, and the two wiring slots are formed in the wire holder, so that the fastening effect on the lead end of the coil and the electric connection between the lead end of the coil and the wiring insertion piece can be realized through the insertion matching between the wiring insertion piece and the wiring slots; compared with a welding mode in the prior art, the structure reliability can be ensured, and the assembling efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor accessories, in particular to a wiring assembly structure of a motor. Background Art

[0002] The main structure of the dimming stepper motor includes a push rod with a screw segment, a stator with a coil and a rotor with magnetic material. The lead end of the coil is connected to the circuit board of the socket by welding, so that when the circuit board energizes the coil, a corresponding magnetic field is generated in the winding skeleton, driving the rotor to rotate; the rotor has an axial screw hole, the threaded segment of the push rod is screwed to the screw hole, and the shell has a slide groove that limits the rotation of the push rod around its own axis, so that the linear movement of the push rod relative to the shell is driven by the rotation of the rotor.

[0003] However, in the existing dimming stepper motors, the lead ends of the coils and the circuit boards are mostly connected by welding. The welding method not only leads to slow assembly efficiency, but also requires removal and re-welding when the solder joints crack and fall off, which makes maintenance difficult and is not environmentally friendly. Utility Model Content

[0004] The utility model aims to solve the problem that in the prior art, the lead ends of the coils of the motor and the circuit board are mostly connected by welding, which not only leads to low assembly efficiency but also is not conducive to subsequent maintenance.

[0005] In order to solve the above problems, the utility model provides a wiring assembly structure of a motor, including a shell and a winding skeleton installed inside the shell, the winding skeleton is provided with a coil wound along the circumferential direction, the side wall of the winding skeleton is provided with a wiring seat, the wiring seat is provided with two wiring slots and each wiring slot corresponds to a wiring plug-in; the two lead ends of the coil are respectively inserted into the two wiring slots of the wiring seat, one end of the wiring plug-in is a plug-in end and the other end is a wiring terminal, the plug-in end is inserted into the corresponding wiring slot to achieve the fastening and electrical connection of the lead end of the coil.

[0006] Compared with the prior art, the above scheme arranges a terminal block on the winding frame and two terminal slots on the terminal block, and then the lead end of the coil can be fastened and the lead end of the coil can be electrically connected to the terminal plug-in through the plug-in cooperation between the terminal plug-in and the terminal slot. Compared with the welding method in the prior art, it can not only ensure the structural reliability, but also improve the assembly efficiency.

[0007] As a preferred embodiment, a through wire groove is provided on one side of the wiring slot close to the corresponding coil, and the wire groove extends to the notch position of the wiring slot, and the wire plug-in end is two side-by-side wire plug-in pins, and a wire plug-in groove is formed between the two wire plug-in pins, and the two wire plug-in pins are plugged into the wiring slot in an interference fit manner, so that the lead end of the coil is clamped in the wire plug-in groove between the two wire plug-in pins. The setting of the wire groove facilitates the lead end of the coil to pass through the interior of the wiring slot from the notch position of the wiring slot, and then be effectively fastened through the wire plug-in groove of the wiring plug.

[0008] As a preferred embodiment, protrusions are respectively provided on the opposite sides of the two plug-in pins, and the width of the protrusions gradually decreases along the insertion direction of the wiring plug-in piece; the width of the notch of the wiring slot gradually decreases in the direction close to the bottom of the slot, and the bottom of the wiring slot is provided with a placement area for accommodating the lead end of the coil; after adopting the above structure, as the wiring plug-in is inserted into the wiring slot, the protrusion will tightly abut against the slot wall of the wiring slot, so that on the one hand, the protrusion ensures the tightness of the plug-in end of the wiring plug-in and the wiring slot to prevent it from falling off, and on the other hand, the protrusion can guide the two plug-in pins to move closer to each other to achieve better clamping of the lead end of the coil; at the same time, since the width of the notch of the wiring slot gradually decreases in the direction close to the bottom of the slot, the lead end of the coil will contact the opposite sides of the two plug-in pins when it moves from the notch of the wiring slot to the bottom of the slot, and the insulating paint on the surface of the lead end will be rubbed off. After the lead end enters the placement area, it can be electrically connected to the plug-in end of the wiring plug-in piece.

[0009] As a preferred solution, there are two winding bobbins in the housing and they are arranged coaxially along the front-to-back direction, and the wiring sockets of the two winding bobbins are arranged adjacent to each other.

[0010] As a preferred embodiment, a socket is further included, wherein a mounting portion for the socket to be plugged in along a front-to-rear direction or a back-to-front direction is provided in the middle portion of the shell corresponding to the position of the wiring seat, the wiring terminals of the four wiring plugs are distributed from left to right, and the spacing between the wiring terminals of the two wiring plugs on the left is equal to the spacing between the wiring terminals of the two wiring plugs on the right, and power supply pins corresponding to the wiring terminals of the wiring plugs are provided in the socket one by one, so that when the socket is plugged into the mounting portion along a front-to-rear direction or a back-to-front direction, the power supply pins in the socket can all be adapted to the wiring terminals of the four wiring plugs, so that users can freely choose to use them. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is an overall schematic diagram of a wiring assembly structure of a motor;

[0012] Figure 2 A schematic diagram of the coordination between the power supply pins and the wiring terminals of a wiring assembly structure of a motor;

[0013] Figure 3 It is a schematic diagram of a wiring assembly structure of a motor with the socket hidden;

[0014] Figure 4 For along Figure 3 Schematic cross-sectional view of section line XX;

[0015] Figure 5 for Figure 4 A partial enlarged schematic diagram of the middle Y region;

[0016] Figure 6 A schematic diagram of the structure of two winding skeletons of a wiring assembly structure of a motor;

[0017] Figure 7 A schematic diagram of the structure of a wiring plug of a wiring assembly structure of a motor;

[0018] Figure 8 It is a structural schematic diagram of two magnetic conductive ring frames of a wiring assembly structure of a motor;

[0019] Fig. 9 A schematic diagram of the structure of a rotor assembly of a wiring assembly structure of a motor;

[0020] Fig.10 The present invention is a structural schematic diagram of a top rod of a wiring assembly structure of a motor.

[0021] Description of reference numerals:

[0022] 1. Shell; 1b. Mounting part; 2. Winding frame; 21. Terminal block; 22. Terminal slot; 23. Slide; 24. Wire slot; 3. Terminal plug; 31. Wire pin; 31a. Wire slot; 31b. Placement area; 31c. Bump; 32. Terminal pin; 4. Coil; 5. Magnetic ring frame; 51. Receiving plate; 52. Magnetic sheet; 6. Rotor assembly; 61. Rotor sleeve; 61a. Screw hole; 61b. Keyway; 61c. Annular step groove; 61d. Hook; 62. Magnetic ring; 62a. Key; 7. Push rod; 7a. Threaded section; 7b. Displacement section; 71. Limiting piece; 8. Bearing; 9. Socket; 91. Power supply pin; 10. Grounding plug. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings 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. It should also be noted that all directional indications in the embodiments of the utility model (such as up, down, left, right, front, back, inside, outside) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indication will also change accordingly.

[0024] See also Figure 1-Figure 10 Embodiment 1 of the utility model provides a wiring assembly structure of a motor, including a shell 1 and a winding skeleton 2 installed inside the shell 1, the winding skeleton 2 is provided with a coil 4 wound along a circumferential direction, the side wall of the winding skeleton 2 is provided with a wiring seat 21, the wiring seat 21 is provided with two wiring slots 22 and each wiring slot 22 corresponds to a wiring plug 3; the two lead ends of the coil 4 are respectively inserted into the two wiring slots 22 of the wiring seat 21, one end of the wiring plug 3 is a plug-in end and the other end is a wiring end, the plug-in end is inserted into the corresponding wiring slot 22 to achieve the fastening and electrical connection of the lead end of the coil 4.

[0025] The above scheme can achieve the tightening effect of the lead end of the coil 4 and the electrical connection between the lead end of the coil 4 and the wiring plug 3 by setting two wiring slots 22 on the wiring seat 21, and then realize the plug-in cooperation between the wiring plug 3 and the wiring slot 22. Compared with the welding method in the prior art, it can ensure the structural reliability and improve the assembly efficiency.

[0026] For a clearer explanation, Figure 1 As a reference, the axis of the housing 1 is arranged along the front-to-back direction, and the winding skeleton 2 is installed inside the housing 1; in this embodiment, there are two winding skeletons 2 and they are arranged coaxially along the front-to-back direction, and the wire sockets 21 of the two winding skeletons 2 are arranged adjacent to each other. Of course, according to needs, only one winding skeleton 2 can be arranged in the housing 1, and this embodiment does not limit this.

[0027] Combination Figure 1 and Figure 6As shown, in this embodiment, the wiring seat 21 is located at the upper part of the side wall of the winding frame 2, and two wiring slots 22 are arranged at the left and right parts of the upper end surface of the wiring seat 21; as an improvement to the wiring seat 21, a through-wire groove 24 is provided on one side of the wiring slot 22 close to the corresponding coil 4, and the wire groove 24 extends upward to the slot position of the wiring slot 22; the plug-in end of the wiring plug 3 is two parallel plug-in pins 31, and a plug-in slot 31a is formed between the two plug-in pins 31. The two plug-in pins 31 are plugged into the wiring slot 22 in an interference fit manner, so that the lead end of the coil 4 is clamped in the plug-in slot 31a between the two plug-in pins 31. The setting of the wire groove 24 facilitates the lead end of the coil 4 to penetrate into the interior of the wiring slot 22 from the slot position of the wiring slot 22, and then be effectively fastened through the plug-in slot 31a of the wiring plug 3.

[0028] Combination Figure 7 As shown, further, the opposite sides of the two plug-in pins 31 are respectively provided with protrusions 31c, and the width of the protrusions 31c gradually decreases along the insertion direction of the wiring plug 3; the width of the slot of the plug-in slot 31a gradually decreases along the direction close to the bottom of the slot, and the slot bottom of the plug-in slot 31a is provided with a placement area 31b for accommodating the lead end of the coil 4; after adopting the above structure, as the wiring plug 3 is inserted into the wiring slot 22, the protrusions 31c will be closely abutted against the slot wall of the wiring slot 22, so that on the one hand, the protrusions 31c ensure that the plug-in end of the wiring plug 3 is firmly inserted into the wiring slot 22. The plug-in tightness with the wiring slot 22 can prevent it from falling off. On the other hand, the protrusion 31c can guide the two plug-in pins 31 to move closer to each other, so as to achieve better clamping of the lead end of the coil 4; at the same time, since the width of the slot of the wiring slot 31a gradually decreases along the direction approaching the bottom of the slot, the lead end of the coil 4 will contact the opposite sides of the two plug-in pins 31 when moving from the slot of the wiring slot 31a to the bottom of the slot, and the insulating paint on the surface of the lead end will be rubbed off. After the lead end enters the placement area 31b, it can be electrically connected to the plug-in end of the wiring plug 3.

[0029] Combination Figure 2 and Figure 3As shown, as an extension of the above embodiment, it also includes a socket 9, and a mounting portion 1b for the socket 9 to be plugged in from the front to the back or from the back to the front is provided at the middle of the housing 1 corresponding to the position of the wiring seat 21; the wiring terminal of the wiring plug 3 is two wiring pins 32 arranged side by side, the wiring terminals of the four wiring plugs 3 are distributed from left to right, and the spacing between the wiring terminals of the two wiring plugs 3 on the left is equal to the spacing between the wiring terminals of the two wiring plugs 3 on the right, and the socket 9 is provided with power supply pins 91 corresponding to the wiring terminals of the wiring plugs 3 one by one, and the power supply pins 91 are used to be inserted between the two wiring pins 32 of the wiring terminals of the wiring plugs 3 and realize electrical connection. When the socket 9 is plugged into the mounting portion 1b from the front to the back or from the back to the front, the power supply pins 91 in the socket 9 can be adapted to the wiring terminals of the four wiring plugs 3, which is convenient for users to freely choose to use. In addition, a grounding plug 10 is provided on the left side of the wiring seat 21 of the winding frame 2 located on the front side, and a grounding plug 10 is provided on the right side of the wiring seat 21 of the winding frame 2 located on the rear side. The socket 9 is provided with a grounding pin corresponding to the position of the grounding plug 10.

[0030] Example 2

[0031] See also Figure 1-Figure 10 Embodiment 2 of the present utility model provides a step dimming motor structure, including a housing 1, and further including:

[0032] The winding frame 2 is annular and is provided with a coil 4 wound along the circumferential direction. The side wall of the winding frame 2 is provided with a wiring seat 21, and the wiring seat 21 is provided with two wiring slots 22, and each wiring slot 22 corresponds to a wiring plug 3; the two lead ends of the coil 4 are respectively inserted into the two wiring slots 22 of the wiring seat 21, one end of the wiring plug 3 is a plug-in end and the other end is a wiring end, and the plug-in end is inserted into the corresponding wiring slot 22 to achieve the fastening and electrical connection of the lead ends of the coil 4;

[0033] The magnetic conductive ring frame 5 is arranged inside the winding frame 2 and is used to generate a corresponding magnetic field according to the power supply state of the coil 4;

[0034] The rotor assembly 6 is rotatably disposed inside the magnetic conductive ring frame 5 and is driven to rotate by the magnetic field generated by the magnetic conductive ring frame 5. The rotor assembly 6 is provided with a screw hole 61a along the axial direction;

[0035] The push rod 7 includes a threaded section 7a screwed into the screw hole 61a and a displacement section 7b provided with a limit piece 71. The winding skeleton 2 or the shell 1 is provided with an axial slide groove 23. The limit piece 71 slides in the slide groove 23 to achieve circumferential limitation of the push rod 7, and then drives the axial movement of the push rod 7 through the rotation of the rotor assembly 6.

[0036] When the above scheme is in use, the coil 4 is powered by the wiring plug 3 on the wiring seat 21, and the current change of the coil 4 excites the magnetic ring frame 5 to generate a changing magnetic field, thereby driving the rotation of the rotor assembly 6; the rotor assembly 6 can drive the axial movement of the top rod 7 due to the movable screw connection between the rotor assembly 6 and the top rod 7, and the overall structure is simple and compact, and easy to assemble; at the same time, the above scheme arranges two wiring slots 22 on the wiring seat 21, and the lead end of the coil 4 can be tightened by the plug-in connection between the wiring plug 3 and the wiring slot 22, as well as the electrical connection between the lead end of the coil 4 and the wiring plug 3. Compared with the welding method in the prior art, it can not only ensure the structural reliability, but also improve the assembly efficiency.

[0037] For a clearer explanation, Figure 1 As a reference, the axis of the shell 1 is set along the front-to-back direction; as needed, only one winding skeleton 2 can be set in the shell 1, and only one corresponding magnetic ring frame 5 is also set. The main structure of the magnetic ring frame 5 refers to the prior art. Specifically, the main structure of the magnetic ring frame 5 includes an annular receiving disk 51 and a plurality of magnetic conductive sheets 52 distributed along the circumference of the receiving disk 51. When the coil 4 is energized, the magnetic conductive sheets 52 of the corresponding magnetic ring frame 5 can form a magnetic field inside the magnetic ring frame 5, thereby driving the rotation of the rotor assembly 6.

[0038] In order to achieve more precise control of the rotation angle of the rotor assembly 6, in this embodiment, there are two winding skeletons 2 in the housing 1 and they are arranged in the front-to-back direction, and the wire sockets 21 of the two winding skeletons 2 are arranged adjacent to each other; there are two magnetic ring frames 5 and they are respectively arranged inside the two winding skeletons 2, there are two magnetic rings 62 and they are respectively sleeved on the front and rear ends of the rotor sleeve 61, and the positions of the two magnetic rings 62 correspond to the positions of the two magnetic ring frames 5. By supplying power to the coils 4 on the two winding skeletons 2 respectively, the two magnetic ring frames 5 can generate magnetic fields respectively, thereby achieving more precise control of the rotation angle of the rotor assembly 6.

[0039] Combination Figure 4 and Fig. 9As shown, the rotor assembly 6 is rotatably connected to the inside of the magnetic ring frame 5 through the bearing 8. The rotor assembly 6 includes a rotor sleeve 61 and a magnetic ring 62. The screw hole 61a is set at the center of the rotor sleeve 61 and penetrates axially. The magnetic ring 62 is fixedly sleeved on the rotor sleeve 61. The position of the magnetic ring 62 corresponds to the position of the magnetic ring frame 5, so that the rotor assembly 6 can rotate under the action of the magnetic field generated by the magnetic ring frame 5. In order to improve the connection stability between the rotor sleeve 61 and the magnetic ring 62, the front end and the rear end of the rotor sleeve 61 are respectively provided with annular step grooves 61c for connection with the magnetic ring 62, the inner circumferential wall of the magnetic ring 62 is provided with a key 62a, and the annular step groove 61c is provided with a key groove 61b for interference fit of the key 62a, so as to realize the circumferential fixation of the rotor sleeve 61 and the magnetic ring 62; a raised hook 61d is provided on the side of the annular step groove 61c away from the middle of the rotor sleeve 61, and the hook 61d abuts against the magnetic ring 62 to realize the axial fixation of the magnetic ring 62, thereby ensuring the connection stability between the rotor sleeve 61 and the magnetic ring 62, avoiding loosening and falling off between the rotor sleeve 61 and the magnetic ring 62, and facilitating assembly.

[0040] It should be understood that the improvements on the terminal block and the terminal plug in the first embodiment can be directly incorporated into the second embodiment.

[0041] Although the disclosure is as above, the protection scope of the disclosure is not limited thereto. For those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A wiring assembly structure of a motor, comprising a housing (1) and a winding frame (2) installed inside the housing (1), wherein the winding frame (2) is provided with a coil (4) wound along a circumferential direction, characterized in that: A wiring seat (21) is provided on the side wall of the winding frame (2), and two wiring slots (22) are provided on the wiring seat (21), and each wiring slot (22) corresponds to a wiring plug (3); the two lead ends of the coil (4) are respectively inserted into the two wiring slots (22) of the wiring seat (21), one end of the wiring plug (3) is a plug-in end and the other end is a wiring end, and the plug-in end is inserted into the corresponding wiring slot (22) to achieve fastening and electrical connection of the lead ends of the coil (4).

2. A wiring assembly structure of a motor according to claim 1, characterized in that: A through wire slot (24) is provided on one side of the wiring slot (22) close to the corresponding coil (4), and the wire slot (24) extends to the slot position of the wiring slot (22); the wire plugging end is two parallel wire plugging pins (31), a wire plugging slot (31a) is formed between the two wire plugging pins (31), and the two wire plugging pins (31) are plugged into the wiring slot (22) in an interference fit manner, so that the lead end of the coil (4) is clamped in the wire plugging slot (31a) between the two wire plugging pins (31).

3. A wiring assembly structure of a motor according to claim 2, characterized in that: The two plug-in pins (31) are respectively provided with protrusions (31c) on opposite sides thereof, and the width of the protrusions (31c) gradually decreases along the insertion direction of the wiring plug (3); the width of the slot opening of the plug-in slot (31a) gradually decreases along the direction approaching the slot bottom, and the slot bottom of the plug-in slot (31a) is provided with a placement area (31b) for accommodating the lead end of the coil (4).

4. A wiring assembly structure of a motor according to claim 3, characterized in that: There are two winding skeletons (2) in the housing (1) and they are arranged coaxially along the front-to-back direction, and the wiring sockets (21) of the two winding skeletons (2) are arranged adjacent to each other.

5. A wiring assembly structure of a motor according to claim 4, characterized in that: The invention also comprises a socket (9), wherein a mounting portion (1b) for the socket (9) to be plugged in from the front to the rear or from the rear to the front is provided in the middle of the housing (1) at a position corresponding to the wiring seat (21), the wiring terminals of the four wiring plugs (3) are distributed from left to right, and the spacing between the wiring terminals of the two wiring plugs (3) on the left is equal to the spacing between the wiring terminals of the two wiring plugs (3) on the right, and power supply pins (91) corresponding to the wiring terminals of the wiring plugs (3) are provided in the socket (9).

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