Motor terminal assembly and motor

Abstract

The utility model relates to a motor terminal assembly and a motor. The motor terminal assembly comprises a female plug-in unit and a male plug-in unit in butt joint with the female plug-in unit. The female plug-in is used for being electrically connected with an outgoing line of an enameled wire of a motor winding; and the male plug-in is used for welding and connecting a motor control circuit board. When the motor terminal assembly is assembled, the male plug-in can be soldered with a motor control circuit board independently, the female plug-in can be mounted with a motor winding independently, and finally, the male plug-in and the female plug-in are butted to realize connection of the motor winding and the motor control circuit board. Soldering tin operation between the motor terminal and the motor control circuit board is more convenient, and the situation that heat of soldering tin is conducted to the winding support through the motor terminal, the winding support is melted or deformed, and consequently a motor winding is damaged can be avoided. Moreover, the motor control circuit board is assembled on the motor winding through the rapid butt joint of the motor terminal assembly, so that the motor control circuit board is simpler and more convenient to assemble and disassemble, and the damage to the motor control circuit board during assembly and disassembly can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field especially relates to a motor terminal subassembly and motor. BACKGROUND

[0002] Motor refers to the electromagnetic device according to electromagnetic induction law and realizes electric energy conversion or transmission, and the main function is to generate drive torque, as the power source of electric appliance or various machinery. Motor usually includes motor winding, motor control circuit board, and motor winding and motor control circuit board are usually connected through motor terminal. Specifically, motor winding includes winding support and winding coil, winding coil generally uses enameled wire, and realizes electrical connection with motor terminal through enameled wire outlet, and motor terminal is connected with motor control circuit board, thereby realizing the connection of motor winding and motor control circuit board.

[0003] In prior art, motor terminal usually realizes electrical connection with motor control circuit board through welding process, and the structure of motor terminal using welding process can effectively reduce the gap between motor winding and motor control circuit board, can well save space, makes motor miniaturization in axial direction, is widely used, especially in brushless motor field. But there are some obvious defects in installing motor terminal using welding process, for example, in order to make motor miniaturization in axial direction, the interval between motor control circuit board and motor winding is very small, and when motor assembly of prior art structure, motor winding and motor terminal need to be assembled first, then motor winding with motor terminal and motor control circuit board are welded, and soldering operation is inconvenient, soldering needs to heat terminal, and the heat of soldering is transmitted to winding support along with motor terminal, can cause winding support melting or deformation, causes motor winding damage, and then improves the failure rate of motor assembly, and motor control circuit board is also easily damaged in assembly or subsequent possible disassembly process. In addition, in prior art, enameled wire outlet usually needs to pass through stator core and connect with motor terminal, so there is also the risk of wire injury caused by stator core injury to enameled wire.

[0004] Therefore, it is urgent to develop a new motor terminal structure and motor, which can effectively protect motor winding and motor control circuit board during assembly, avoid motor winding and motor control circuit board damage, and reduce the failure rate of motor assembly. SUMMARY

[0005] Therefore, the utility model aims at providing a new motor terminal subassembly, which can solve the technical problem that the existing motor terminal is easy to damage motor winding and motor control circuit board during assembly.

[0006] The utility model also aims at providing a motor, which can solve the technical problem that the existing motor is easy to damage motor winding and motor control circuit board during assembly.

[0007] To achieve the above object, the utility model provides a motor terminal assembly, include: female insert piece and with female insert piece butt joint male insert piece, the female insert piece is used for with motor winding's enameled wire outgoing line electric connection, the male insert piece is used for welding connection motor control circuit board.

[0008] The female insert piece includes female insert piece main part, first connecting part of setting in female insert piece main part top, installation part of setting in female insert piece main part bottom and respectively setting in two bending parts of female insert piece main part both sides and opposite setting, the two bending parts form a slot with female insert piece main part, the female insert piece main part is equipped with the contact part of inlaying into the slot, the first connecting part is located in the side of female insert piece main part away from the bending part, the first connecting part can be connected enameled wire outgoing line through the end away from the female insert piece main part, thereby realizes with motor winding's electric connection,

[0009] The male insert piece includes the second connecting part of connecting the insert piece, the insert piece is contacted with the contact part when inserting the slot, thereby realizes female insert piece and male insert piece's electric connection, the second connecting part is used for passing through motor control circuit board and is welded in the side of motor control circuit board away from motor winding.

[0010] The first connecting part is bent to form the wire clamping groove for restricting enameled wire outgoing line in the end away from the female insert piece main part to the female insert piece main part, and the wire clamping groove is a U-shaped groove with the notch towards the female insert piece main part.

[0011] The two bending parts are respectively chamfered outward in the connecting end with the female insert piece main part and inward in the opening end, thereby forming two C-shaped bending parts with opposite openings.

[0012] The installation part top is equipped with the limiting device to avoid the insert piece from extending out of the slot.

[0013] The installation part is equipped with the clamping block for fixing the female insert piece when installing the female insert piece, and the number of the clamping block is one or more.

[0014] The second connecting part includes one or more pins.

[0015] The utility model also provides a motor, including: motor control circuit board, stator core, motor terminal assembly and motor winding installed on the stator core, the motor winding includes wire support and winding coil installed on the wire support, the winding coil includes enameled wire outgoing line, the wire support is equipped with the installation groove for installing motor terminal assembly on the outside of the stator core, the motor terminal assembly includes female insert piece and with female insert piece butt joint male insert piece, the female insert piece is installed in the installation groove and is electrically connected with the enameled wire outgoing line, and the male insert piece is welded to connect the motor control circuit board.

[0016] The female connector comprises a female connector body, a first connecting part arranged at the top of the female connector body, a mounting part arranged at the bottom of the female connector body, and two bending parts arranged at the two sides of the female connector body respectively and oppositely; a slot is formed between the two bending parts and the female connector body, the female connector body is provided with a contact part extending into the slot, and the first connecting part is located at the side of the female connector body away from the bending part; the first connecting part extends to the outside of the stator core with the mounting slot exposed at the top of the female connector, and the first connecting part is electrically connected with the enameled wire outgoing line at the end away from the female connector body, so that the electrical connection with the motor winding is realized.

[0017] The male connector comprises a plug and a second connecting part connecting the plug; the plug is inserted into the slot and contacts with the contact part, so that the electrical connection between the female connector and the male connector is realized.

[0018] The motor control circuit board is provided with a through hole, and the second connecting part is welded on the side of the motor control circuit board away from the motor winding through the through hole.

[0019] The bottom of the mounting slot is provided with a fixing groove, the mounting part is provided with a clamping block, and the mounting part is clamped with the fixing groove through the clamping block, so that the female connector is fixed in the mounting slot.

[0020] The motor terminal assembly and the motor of the utility model have the following beneficial effects: the motor terminal assembly of the utility model comprises a female connector and a male connector with a butt joint structure, the female connector is used for electrically connecting with the enameled wire of the motor winding, and the male connector is used for welding the motor control circuit board; during the assembly of the motor terminal assembly, the male connector can be welded with the motor control circuit board alone, and the female connector can be installed with the motor winding alone; finally, the male connector and the female connector are butt jointed to realize the connection between the motor winding and the motor control circuit board, so that the soldering operation between the motor terminal and the motor control circuit board is more convenient, the heat of soldering can be avoided from being conducted to the winding support through the motor terminal to cause the melting or deformation of the winding support and thus the damage of the motor winding; in addition, the motor control circuit board is quickly butt jointed and assembled to the motor winding through the motor terminal assembly, so that the assembly and disassembly of the motor control circuit board become more convenient, and the damage of the motor control circuit board during the assembly and disassembly can be reduced; the motor terminal assembly of the utility model has a simple structure, can solve the technical problem that the existing motor terminal is easy to damage the motor winding and the motor control circuit board during the assembly, and reduces the failure rate of the motor assembly. BRIEF DESCRIPTION OF DRAWINGS

[0021] The technical scheme and other beneficial effects of the present application will be apparent from the following detailed description of the specific embodiments of the present application, taken in conjunction with the accompanying drawings. In the drawings,

[0022] Figure 1 Fig. 1 is a perspective view of a female plug of a motor terminal assembly according to an embodiment of the present application;

[0023] Figure 2 Fig. 2 is a left view of the female plug of the motor terminal assembly according to the embodiment of the present application; Figure 1

[0024] Figure 3 Fig. 3 is a top view of the female plug of the motor terminal assembly according to the embodiment of the present application; Figure 1

[0025] Figure 4 Fig. 4 is a perspective view of a male plug of a motor terminal assembly according to an embodiment of the present application;

[0026] Figure 5 Fig. 5 is a schematic view of an assembly of the motor terminal assembly, the motor winding and the motor control circuit board of a motor according to the embodiment of the present application;

[0027] Figure 6 Fig. 6 is an enlarged view of A part of the motor terminal assembly according to the embodiment of the present application; Figure 5

[0028] Figure 7 Fig. 7 is a cross-sectional schematic view of the assembly of the motor terminal assembly, the motor winding and the motor control circuit board of A part according to the embodiment of the present application. DETAILED DESCRIPTION

[0029] To further illustrate the technical means adopted by the present application and its effects, the preferred embodiments of the present application and the accompanying drawings are described in detail below.

[0030] Referring to Figures 1-7 The present application provides a motor terminal assembly 1, comprising: a female plug 11 and a male plug 12 connected to the female plug 11; the female plug 11 is used for electrically connecting with a lacquered wire outgoing line 221 of a motor winding 2; the male plug 12 is used for welding a motor control circuit board 4.

[0031] ​​​The motor terminal assembly is simple in structure, can solve the technical problem that the existing motor terminal is easy to damage the motor winding and the motor control circuit board during assembly, and reduces the defective rate of motor assembly.

[0032] Preferably, the female plug 11 comprises a female plug body 111, a first connecting portion 112 arranged on the top of the female plug body 111, a mounting portion 113 arranged on the bottom of the female plug body 111, and two bending portions 114 arranged on both sides of the female plug body 111 and oppositely arranged; a slot 115 is formed between the two bending portions 114 and the female plug body 111, and the female plug body 111 is provided with a contact portion 1111 extending into the slot 115; the first connecting portion 112 is located on the side of the female plug body 111 away from the bending portion 114, and the first connecting portion 112 can be electrically connected with the wire 221 of the enameled wire through the end away from the female plug body 111, so as to realize the electrical connection with the motor winding 2.

[0033] The male plug 12 comprises a plug piece 122 and a second connecting portion 121 connecting the plug piece 122; the plug piece 122 is in contact with the contact portion 1111 when the plug piece 122 is inserted into the slot 115, so as to realize the electrical connection between the female plug 11 and the male plug 12; the second connecting portion 121 is used for penetrating through the motor control circuit board 4 and being welded on the side of the motor control circuit board 4 away from the motor winding 2.

[0034] During assembly of the motor terminal assembly of the embodiment, the male plug and the female plug can be quickly plugged in through the plug piece and the slot with the contact portion, so that the motor control circuit board can be more easily installed on the motor winding, the assembly and the subsequent possible disassembly operation of the motor are facilitated, and the damage of the motor control circuit board caused by the assembly and disassembly can be reduced. Furthermore, the embodiment realizes the electrical connection with the motor winding by connecting the wire 221 of the enameled wire with the end of the first connecting portion away from the female plug body, can realize the wire welding operation on the outer side of the insulating wire frame away from the stator core, avoids the risk that the enameled wire is scratched by the stator core, guarantees the connection between the motor winding and the motor terminal, and further reduces the defective rate of motor assembly.

[0035] Preferably, the first connecting part 112 is bent towards the female plug main body 111 at one end away from the female plug main body 111 to form a wire clamping groove 1121 for restraining the enameled wire outgoing line; during installation, the enameled wire outgoing line passes through the wire clamping groove 1121 to be connected with the first connecting part 112, so that the connection is more stable and reliable.

[0036] Preferably, the wire clamping groove 1121 is a U-shaped groove with the notch facing the female plug main body 111.

[0037] Preferably, the two bent parts 114 are respectively outwardly chamfered at the connecting end with the female plug main body 111 and inwardly chamfered at the opening end, so as to form two C-shaped bent parts with opposite openings.

[0038] Specifically, the contact part 1111 can be a spring piece or a bump.

[0039] Preferably, the top of the mounting part 113 is provided with a limiting device 1131 to avoid the plug-in piece 122 from extending out of the plug-in groove 115.

[0040] Further, the mounting part 113 is provided with a clamping block 1132 for fixing the female plug 11 during installation of the female plug 11.

[0041] Optionally, the number of clamping blocks 1132 is one or more. In a preferred embodiment of the utility model, the number of clamping blocks 1132 is four, which are symmetrically distributed on both sides of the mounting part 113.

[0042] Optionally, the second connecting part 121 includes one or more pins 1211. The pins are optionally provided and can be used for welding a motor control circuit board or other devices.

[0043] Reference Figures 5-7 The utility model also provides a motor, include: motor control circuit board 4, stator core 3, motor terminal assembly 1, and install on stator core 3 on motor winding 2, motor winding 2 includes wire holder 21 and installs wire holder 21 on winding coil 22, winding coil 22 includes enameled wire outgoing line 221, wire holder 21 is equipped with the installation slot 211 for installing motor terminal assembly 1 at the outside of stator core 3, motor terminal assembly 1 includes female plug 11 and with female plug 11 butt joint male plug 12, female plug 11 installs in installation slot 211 and with enameled wire outgoing line 221 electric connection, male plug 12 welds and connects motor control circuit board 4.

[0044] The motor terminal assembly of the utility model discloses a female plug and a male plug that are connected, during assembly, the male plug can be welded with the motor control circuit board separately, the female plug can be installed with the motor winding separately, finally the male plug and the female plug are connected to realize the connection between the motor winding and the motor control circuit board, so that the soldering operation between the motor terminal and the motor control circuit board is more convenient, the heat of soldering can be avoided from being conducted to the winding support through the motor terminal to cause the melting or deformation of the winding support and damage the motor winding, and the motor control circuit board is assembled and disassembled more conveniently through the quick connection of the motor terminal assembly to the motor winding, so that the damage to the motor control circuit board during assembly and disassembly can be reduced.

[0045] Preferably, the female plug 11 comprises a female plug body 111, a first connecting part 112 arranged on the top of the female plug body 111, a mounting part 113 arranged on the bottom of the female plug body 111, and two bending parts 114 arranged on the two sides of the female plug body 111 and opposite to each other; a slot 115 is formed between the two bending parts 114 and the female plug body 111, the female plug body 111 is provided with a contact part 1111 extending into the slot 115, and the first connecting part 112 is located on the side of the female plug body 111 away from the bending part 114; the first connecting part 112 extends to the outside of the stator core 3 through the exposed mounting slot 211 on the top of the female plug 11, and the first connecting part 112 is connected with the wire 221 extending out of the slot 115 away from the female plug body 111, so as to realize the electrical connection with the motor winding 2.

[0046] The male plug 12 comprises a plug piece 122 and a second connecting part 121 connected with the plug piece 122; the plug piece 122 is inserted into the slot 115 and contacts with the contact part 1111, so as to realize the electrical connection between the female plug 11 and the male plug 12.

[0047] The motor control circuit board 4 is provided with a through hole 41, and the second connecting part 121 is welded on the side of the motor control circuit board 4 away from the motor winding 2 through the through hole 41.

[0048] In this embodiment, during motor assembly, the male and female plugs can be quickly inserted and connected via inserts and slots with contact parts, making assembly extremely simple. This facilitates the installation of the motor control circuit board onto the motor windings, simplifying motor assembly and subsequent disassembly operations, and reducing potential damage to the motor control circuit board during assembly and disassembly. Furthermore, this embodiment achieves electrical connection to the motor windings by connecting an enameled wire lead to the end of the first connection part away from the female plug body. This allows for operations such as wire welding to be performed on the outside of the insulated wire frame, away from the stator core, avoiding the risk of the enameled wire being damaged by the stator core. This ensures a secure connection between the motor windings and the motor terminals, further reducing the motor assembly defect rate.

[0049] Specifically, the second connection part 121 of the male plug-in 12 in this embodiment includes two pins 1211. The pins 1211 pass through the through hole 41 and are soldered to the motor control circuit board 4 on the side of the motor control circuit board 4 away from the motor winding 2, thereby realizing the connection between the motor terminal assembly 1 and the motor control circuit board 4.

[0050] Furthermore, in this embodiment, the enameled wire outlet 221 is led to the wire clamping groove 1121 at the end of the first connecting part 112 away from the female plug-in body 111, and passes through the wire clamping groove 1121 before being soldered. The wire clamping groove 1121 can constrain the enameled wire outlet 221 and make the connection between the enameled wire outlet and the first connecting part 112 more stable and reliable.

[0051] Furthermore, in this embodiment, the mounting groove 211 has an opening 2111 on the side opposite to the wire clamping groove 1121, which can further prevent the wire from touching the winding bracket 21 during wire soldering.

[0052] Furthermore, in this embodiment, the two bent portions 114 are C-shaped bent portions.

[0053] Furthermore, in this embodiment, the top of the mounting portion 113 is provided with a limiting device 1131, which can prevent the insert 122 from extending out of the slot 115.

[0054] Furthermore, in this embodiment, the bottom of the mounting groove 211 is provided with a fixing groove 2112, and the mounting part 113 is provided with a locking block 1132. The mounting part 113 and the fixing groove 2112 are engaged by the locking block 1132, thereby fixing the female plug-in 11 in the mounting groove 211.

[0055] The motor of this invention can be a brushless motor.

[0056] The motor of this invention can be a side door drive brushless motor.

[0057] In summary, the motor terminal assembly and the motor of the utility model, including female plug-in and male plug-in with butt joint structure, the female plug-in is used for connecting with the enameled wire of motor winding electrically, the male plug-in is used for welding connection motor control circuit board. The utility model discloses a motor terminal assembly assembly, and the male plug-in can be completed welding with motor control circuit board, and the female plug-in can be completed installation with motor winding, finally, the male plug-in and the female plug-in butt joint realize the connection of motor winding and motor control circuit board, make the soldering operation of motor terminal and motor control circuit board more convenient, can avoid the heat of soldering to be conducted to the winding support through motor terminal and cause the melting or deformation of winding support to cause the damage of motor winding, and, the utility model discloses a motor control circuit board is assembled to motor winding through the quick butt joint of motor terminal assembly, makes the assembly and disassembly of motor control circuit board become more simple, can reduce the damage of motor control circuit board when assembling, disassembling. The utility model discloses a motor terminal assembly simple structure can solve the technical problem that the existing motor terminal is easy to damage motor winding and motor control circuit board when assembling, reduces the bad rate of motor assembly.

[0058] The above, for the ordinary skill in the art, can make other various corresponding changes and deformation according to the technical scheme and technical concept of the utility model, and all these changes and deformation should belong to the protection scope of the claims attached to the utility model.

Claims

1. An electric machine terminal assembly (1), characterized in that, The application relates to a motor winding connection device. The female plug (11) comprises a female plug body (111), a first connecting part (112) arranged on the top of the female plug body (111), a mounting part (113) arranged on the bottom of the female plug body (111), and two opposite bending parts (114) arranged on the two sides of the female plug body (111) respectively; a slot (115) is formed between the two bending parts (114) and the female plug body (111), the female plug body (111) is provided with a contact part (1111) extending into the slot (115); the first connecting part (112) is located on the side of the female plug body (111) far away from the bending part (114), and the first connecting part (112) can be electrically connected with the enameled wire outgoing line (221) on the side far away from the female plug body (111), so that the electrical connection with the motor winding (2) is realized; 2. The motor terminal assembly (1) of claim 1, characterized in that The male plug (12) comprises a second connecting part (121) and an insertion sheet (122); when the insertion sheet (122) is inserted into the slot (115), the insertion sheet (122) is in contact with the contact part (1111), so that the electrical connection between the female plug (11) and the male plug (12) is realized; the second connecting part (121) is used for penetrating through the motor control circuit board (4) and being welded on the side of the motor control circuit board (4) far away from the motor winding (2). The first connecting part (112) is bent on the side far away from the female plug body (111) to form a wire clamping groove (1121) for restraining the enameled wire outgoing line (221); the wire clamping groove (1121) is a U-shaped groove with a notch facing the female plug body (111).

3. The motor terminal assembly (1) of claim 2, characterized in that The two bending parts (114) are respectively chamfered outward on the connecting ends of the female plug body (111) and inward on the opening ends, so that the two opposite opening C-shaped bending parts are formed.

4. The motor terminal assembly of claim 2, wherein The mounting part (113) is provided with a limiting device (1131) on the top, so that the insertion sheet (122) cannot extend out of the slot (115).

5. The motor terminal assembly (1) of claim 2, characterized in that The mounting part (113) is provided with a clamping block (1132) for fixing the female plug (11) when the female plug (11) is installed; the number of the clamping block (1132) is one or more.

6. The motor terminal assembly (1) of claim 2, characterized in that The second connecting part (121) comprises one or more pins (1211).

7. The motor terminal assembly (1) of claim 2, characterized in that The application relates to a motor winding connection device.

8. An electric machine characterized by ​ The motor control circuit board (4), the stator core (3), the motor terminal assembly (1), and the motor winding (2) installed on the stator core (3); the motor winding (2) comprises a winding support (21) and a winding coil (22) installed on the winding support (21), the winding coil (22) comprises an enameled wire outlet (221), and the winding support (21) is provided with a mounting groove (211) for mounting the motor terminal assembly (1) on the outside of the stator core (3); the motor terminal assembly (1) comprises a female plug (11) and a male plug (12) connected to the female plug (11), the female plug (11) is installed in the mounting groove (211) and electrically connected with the enameled wire outlet (221), and the male plug (12) is welded to the motor control circuit board (4).

9. The electric machine of claim 8, wherein, The female plug (11) comprises a female plug body (111), a first connecting part (112) arranged on the top of the female plug body (111), a mounting part (113) arranged on the bottom of the female plug body (111), and two bending parts (114) arranged on the two sides of the female plug body (111) and opposite to each other; a slot (115) is formed between the two bending parts (114) and the female plug body (111), the female plug body (111) is provided with a contact part (1111) extending into the slot (115), and the first connecting part (112) is located on the side of the female plug body (111) away from the bending part (114); the top of the female plug (11) is exposed from the mounting groove (211) so that the first connecting part (112) extends outwardly from the stator core (3), and one end of the first connecting part (112) away from the female plug body (111) is electrically connected with the enameled wire outlet (221); The male plug (12) comprises a plug sheet (122) and a second connecting part (121) connected to the plug sheet (122); the plug sheet (122) is inserted into the slot (115) and contacts with the contact part (1111), so as to realize the electrical connection between the female plug (11) and the male plug (12); the motor control circuit board (4) is provided with a through hole (41), and the second connecting part (121) is welded to the side of the motor control circuit board (4) away from the motor winding (2) through the through hole (41).

10. The electric machine of claim 9, wherein, The bottom of the mounting groove (211) is provided with a fixing groove (2112), the mounting part (113) is provided with a clamping block (1132), and the mounting part (113) is clamped with the fixing groove (2112) through the clamping block (1132), so as to fix the female plug (11) in the mounting groove (211).

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