CN211018505U

CN211018505U - Contact plug motor

Info

Publication number: CN211018505U
Application number: CN201922494989.7U
Authority: CN
Inventors: 黄美建; 冯武超; 袁林; 梁春兰
Original assignee: Shenzhen Lihong Micro Motor Co ltd
Current assignee: Shenzhen Lihong Micro Motor Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-14
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a contact motor belongs to motor technical field. The contact plug motor comprises a stator assembly, a rotor assembly, an end cover assembly, a circuit PCB board for controlling the motor to run and a copper terminal for conducting electricity, wherein the rotor assembly is arranged in the stator assembly, the end cover assembly is arranged at one end of the stator assembly, the circuit PCB board is welded on the end face, far away from the stator assembly, of the end cover assembly, and the copper terminal is welded on the end face, far away from the end cover assembly, of the circuit PCB board; the copper terminal comprises a first copper terminal and a second copper terminal, and the first copper terminal and the second copper terminal are arranged in parallel. The utility model discloses a contact plug motor has avoided the lead wire wearing and tearing of traditional motor, fracture, has saved energy and manufacturing cost, has wide application prospect.

Description

Contact plug motor

Technical Field

The utility model relates to the technical field of electric machines, especially, relate to a contact plug motor.

Background

With the rapid development of economy and continuous progress of society in China, the technical level of motors in China is well developed. The traditional motor is characterized in that a lead is connected to a motor circuit board in a soldering mode, soldering tin is consumed, the soldering process is complex, and the following points need to be noticed during operation: the surface of the soldering iron is treated and prewelded, excessive flux is not needed, the soldering iron head is kept clean, a small amount of soldering tin reserved on the soldering iron is used as a bridge for heat transfer between the soldering iron head and the soldering iron when the soldering iron is heated, the soldering iron is firm, the soldering iron needs to be withdrawn in time, and the withdrawn angle and the withdrawn direction form a certain relation with the soldering point. The manual soldering process consumes material, time and effort, and increases the process and cost of the process.

The welding wire terminal is named in a wire connecting terminal mode, when the welding wire terminal is used, the welding wire terminal needs to be connected to a required circuit board, and the welding wire terminal is simple in structure, convenient to use and widely applied to the industry of low-voltage electrical appliances. The motor lead consumes the cost of processing materials, the lead is also abraded and broken in the circulation process, the lead is also burnt under special conditions, and unnecessary maintenance cost is increased.

Therefore, there is a need to provide a contact plug motor that solves the above problems.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model provides a contact plug motor aims at solving traditional motor lead wire wearing and tearing, fracture, the problem that burns out and motor processing cost is high.

In order to achieve the above object, the utility model provides a following technical scheme: a contact plug motor comprising: the motor comprises a stator assembly, a rotor assembly, an end cover assembly, a circuit PCB board for controlling the motor to run and a copper terminal for conducting electricity, wherein the rotor assembly is arranged in the stator assembly, the end cover assembly is arranged at one end of the stator assembly, the circuit PCB board is welded on the end face, far away from the stator assembly, of the end cover assembly, and the copper terminal is welded on the end face, far away from the end cover assembly, of the circuit PCB board; the copper terminal comprises a first copper terminal and a second copper terminal, and the first copper terminal and the second copper terminal are arranged in parallel.

Further, the outer diameter of the copper terminal is 0.5-0.6 mm.

Further, the outer diameter of the copper terminal is 0.55 mm.

Furthermore, the copper terminal is a copper-clad steel copper terminal, and the cross section of the copper-clad steel copper terminal is rectangular.

Further, the rotor assembly comprises a motor shaft and a rotor body arranged on the motor shaft; the rotor body set up in stator module, the one end of motor shaft set up in stator module's bottom.

Further, the end cap assembly comprises an end cap and an end cap bearing, the end cap bearing is arranged on the motor shaft; the end cover is arranged on the motor shaft and is arranged above the end cover bearing.

Further, a commutator is further arranged on the motor shaft and is arranged below the end cover bearing.

Furthermore, the commutator comprises a commutator body and a pole piece which are integrally arranged, and the commutator body and the pole piece are arranged on the motor shaft.

Further, the pole piece is disposed proximate to the end cap bearing.

Further, the outer surface of the commutator body is provided with a plurality of hooks along the circumferential direction.

The utility model provides an among the technical scheme, following beneficial effect has:

the utility model discloses a contact plug motor replaces the lead wire with the copper terminal to conduct electricity, has avoided the lead wire wearing and tearing of traditional motor, the fracture, and the cost is lower. Moreover, the copper terminal is welded on the circuit PCB, so that the step of lead soldering is omitted, and the labor and the manufacturing cost are saved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front, back, top and bottom … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

At present, the cost of the traditional motor adopting the lead to conduct electricity, which consumes processing materials, is extremely high, the lead can be worn and broken in the turnover process, the lead can be burnt under special conditions, and unnecessary maintenance cost is increased. Therefore, there is a need to provide a contact plug motor that solves the above problems.

As shown in fig. 1, the utility model provides a contact plug motor, include: the motor comprises a stator assembly 10, a rotor assembly 20, an end cover assembly 30, a circuit PCB (printed circuit board) 40 for controlling the operation of the motor and a copper terminal 50 for conducting electricity, wherein the rotor assembly 20 is arranged in the stator assembly 10 to form a working element of the motor; the end cover assembly 30 is arranged at one end of the stator assembly 10 and used for fixing a motor workpiece; the circuit PCB 40 is welded on the end surface of the end cap assembly 30 away from the stator assembly 10, and is used for controlling the motor; the copper terminal 50 is soldered to the end surface of the circuit PCB board 40 away from the end cap assembly 30; the copper terminal 50 includes a first copper terminal 51 and a second copper terminal 52, and the first copper terminal 51 and the second copper terminal 52 are disposed parallel to each other.

Generally, the outer diameter of the copper terminal is 0.5-0.6 mm. Specifically, in the present embodiment, the outer diameter of the copper terminal 50 is 0.55 mm. The outer diameter of the copper terminal is set to be 0.5-0.6mm, and the copper terminal can be well matched with a mechanism to work.

Further, the copper terminal 50 is a copper-clad steel copper terminal, the cross section of the copper-clad steel copper terminal 50 is rectangular, and the copper terminal 50 is connected with a power supply to supply power to the motor. The copper terminal is generally made of copper-clad steel, has high strength, is not easy to bend, has no special requirement on resistance, and only can conduct electricity.

In the present embodiment, the rotor assembly 20 includes a motor shaft 21 and a rotor body 22 disposed on the motor shaft 21; the rotor body 22 is disposed in the stator assembly 10, and one end of the motor shaft 21 is disposed in a bottom end of the stator assembly 22.

Specifically, the end cap assembly 30 includes an end cap 31 and an end cap bearing (not shown) disposed on the motor shaft 21; the end cover 31 is disposed on the motor shaft 21, and the end cover 31 is disposed above the end cover bearing. The end cover bearing can better fix the rotor body.

Further, in this embodiment, the motor shaft 21 is further provided with a commutator 23, and the commutator 23 is disposed below the end cover bearing. The commutator 23 can convert a direct current passing through the brush into an alternating current in the winding or convert an alternating electromotive force in the winding into a direct electromotive force on the brush terminal.

Further, in the present embodiment, the commutator 23 includes a commutator body 231 and a pole piece 232 which are integrally disposed, and the commutator body 231 and the pole piece 232 are disposed on the motor shaft 21.

Further, the pole piece 232 is disposed proximate to the end cap bearing. When the coil passes through the current, it will roll under the action of the longer magnet through the attraction and repulsion forces, and when it is rotated to balance with the magnet, the contact sheet on the commutator corresponding to the energized coil is separated from the brush, and the brush is connected to the contact sheet corresponding to the coil group producing the driving force, and so on.

Further, the outer surface of the commutator body 231 is provided with a plurality of hooks (not identified in the figure) along the circumferential direction. The hook is mainly used for winding coils. Specifically, in the present embodiment, the outer surface of the commutator body 231 is provided with three hooks along the circumferential direction. It is understood that in other embodiments, four or five or even more hooks may be provided according to actual needs.

In this embodiment, the contact plug motor replaces the lead wire with the copper terminal and conducts electricity, and the copper terminal can directly insert the mechanism and work, has avoided the lead wire wearing and tearing of traditional motor, and the cost is lower. Moreover, the copper terminal is welded on the circuit PCB, so that the step of lead soldering is omitted, and the labor and the manufacturing cost are saved.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A contact plug motor, characterized by: the motor comprises a stator assembly, a rotor assembly, an end cover assembly, a circuit PCB board for controlling the motor to operate and a copper terminal for conducting electricity, wherein the rotor assembly is arranged in the stator assembly, the end cover assembly is arranged at one end of the stator assembly, the circuit PCB board is welded on the end face, far away from the stator assembly, of the end cover assembly, and the copper terminal is welded on the end face, far away from the end cover assembly, of the circuit PCB board; the copper terminal comprises a first copper terminal and a second copper terminal, and the first copper terminal and the second copper terminal are arranged in parallel.

2. The contact plug motor of claim 1, wherein: the outer diameter of the copper terminal is 0.5-0.6 mm.

3. The contact plug motor of claim 2, wherein: the copper terminal is a copper-clad steel copper terminal, and the cross section of the copper-clad steel copper terminal is rectangular.

4. The contact plug motor of claim 1, wherein: the rotor assembly comprises a motor shaft and a rotor body arranged on the motor shaft; the rotor body set up in stator module, the one end of motor shaft set up in stator module's bottom.

5. The contact plug motor of claim 4, wherein: the end cover assembly comprises an end cover and an end cover bearing, and the end cover bearing is arranged on the motor shaft; the end cover is arranged on the motor shaft and is arranged above the end cover bearing.

6. The contact plug motor of claim 5, wherein: the motor shaft is further provided with a commutator, and the commutator is arranged below the end cover bearing.

7. The contact plug motor of claim 6, wherein: the commutator comprises a commutator body and a pole piece which are integrally arranged, and the commutator body and the pole piece are arranged on the motor shaft.

8. The contact plug motor of claim 7, wherein: the pole piece is close to the end cover bearing.

9. The contact plug motor of claim 7, wherein the outer surface of the commutator body is provided with a plurality of hooks in a circumferential direction.