Hair dryer motor convenient for wiring

Abstract

The utility model provides a blower motor convenient for wiring, and relates to the technical field of blower motors. The blower motor convenient for wiring comprises a motor shell, a stator is coaxially and tightly nested in the motor shell, a rotor is arranged in the middle of the stator, a rotor connecting shaft is detachably provided with a rotating fan blade through a bolt, and one end of the motor shell is detachably provided with an end cover through a thread; a support is fixed at the other end of the motor shell, a wiring terminal is arranged at the other end of the support, and a copper foil is embedded in the middle of the wiring terminal. According to the blower motor convenient for wiring, the bracket is tightly attached to the wiring terminal, so that the bracket and the copper foil of the wiring terminal can build a direct connection path, a continuous conductive link from the motor shell to the ground wire of the wiring terminal is formed, the effect of convenient wiring is realized, convenience is provided for wiring operation of workers, and the working efficiency is improved. Therefore, the wiring convenience of the blower motor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hair dryer motor convenient for wiring belongs to hair dryer motor technical field. BACKGROUND

[0002] Hair dryer as a common hairdressing appliance has wide application in daily life. Its main working principle is to drive fan rotation by motor, thereby generating airflow, and the airflow forms hot air after passing through heating element, realizing hair drying and styling function. As the core power component of hair dryer, the performance and structure design of motor directly affect the overall quality and use convenience of hair dryer.

[0003] Although the existing hair dryer motor can basically meet the daily driving demand and maintain the normal operation of hair dryer. However, in the structure of traditional hair dryer motor, the ground wire connection mode has obvious limitations. Traditionally, the ground wire lead-out wire of motor is often connected with a specific grounding welding point in the motor shell by means of welding. The welding point is usually located at the inner side of the motor metal shell, so as to transmit the possible current to the ground by the shell conductor, so as to achieve the purpose of grounding and ensure the safety of electrical appliances. However, this traditional welding type ground wire connection scheme exposes great inconvenience when the hair dryer motor faces maintenance scene or needs to be replaced. Due to the firmness and irreversibility of the welding point, the technician must first use special tools and processes to separate the welding point before successfully removing the motor. This process undoubtedly increases the difficulty and time cost of maintenance and replacement, greatly limits the convenience of hair dryer motor wiring, and thus the hair dryer motor has insufficient wiring convenience. SUMMARY

[0004] (I) Technical problem solved

[0005] The utility model provides a hair dryer motor convenient for wiring to solve the problem of insufficient wiring convenience of the hair dryer motor in the prior art.

[0006] (II) Technical scheme

[0007] The utility model is realized by the following technical scheme: a hair dryer motor convenient for wiring, comprising a motor shell, the motor shell is tightly nested with a stator in a coaxial shape inside, a rotor is arranged in the middle of the stator, a rotating fan blade is detachably installed on the rotor connecting shaft through bolts, an end cover is detachably installed on one end of the motor shell through threads;

[0008] The other end of the motor shell is fixedly provided with a support, the other end of the support is provided with a wiring terminal, and copper foil is inlaid in the middle of the wiring terminal.

[0009] Preferably, one end of the copper foil is connected to the ground pin of the terminal by welding a wire, the copper foil is in the form of a flat sheet, and one side of the copper foil is in contact with one side of the outer surface of the bracket.

[0010] Preferably, the edge of the copper foil is bent to form an L-shaped hook, a rectangular clamping groove is formed in the terminal, the hook of the copper foil is tightly clamped in the groove, and a rubber buffer strip is arranged on the inner wall of the groove.

[0011] Preferably, the two surfaces of the copper foil are mirror-finished by grinding, the ground wire passage of the terminal is connected to the copper foil by a metal conductive sheet and riveting, and the main body of the terminal is formed by injection molding of hard insulating plastic.

[0012] Preferably, the bracket and the motor shell are integrally formed by aluminum alloy casting, a circular bearing mounting hole is formed in the middle of the bracket along the axial direction, a deep groove ball bearing is mounted in the hole, and the corresponding section of the rotor connecting shaft is connected to the inner ring of the bearing in an interference fit.

[0013] Preferably, a circular bearing mounting hole is formed in the middle of the end cover along the axial direction, a deep groove ball bearing is mounted in the hole, and the corresponding section of the rotor connecting shaft is connected to the inner ring of the bearing in an interference fit, and the rotor and the stator are magnetically connected under the action of electromagnetic induction and keep an annular air gap.

[0014] Preferably, the rotating fan blade is connected to the rotor shaft by a bolt, and the rotating fan blade is located at the axial center of the motor shell and is in a gap fit with the inner wall of the motor shell.

[0015] The utility model provides a hair drier motor convenient to wire, which has the following beneficial effects:

[0016] The hair drier motor convenient to wire is characterized in that the bracket is tightly attached to the terminal, so that the bracket and the copper foil of the terminal build a direct connection passage, forming a continuous conductive link from the motor shell to the ground wire of the terminal, achieving the effect of convenient wiring, providing convenience for the wiring work of the staff, and improving the convenience of the wiring of the hair drier motor. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a perspective view of the utility model;

[0018] Figure 2 It is a partial structure view of the utility model;

[0019] Figure 3 It is an explosion view of the utility model.

[0020] MAIN COMPONENT SYMBOL DESCRIPTION

[0021] 1, motor housing; 2, stator; 3, rotor; 4, rotating fan blade; 5, end cover; 6, bracket; 7, terminal; 8, copper foil. DETAILED DESCRIPTION

[0022] The utility model embodiment provides a hair drier motor convenient to wiring.

[0023] Please refer to Figure 1 , Figure 2 and Figure 3 , including motor housing 1, motor housing 1 is the outermost protection structure of motor, it can prevent the stator 2, rotor 3 and other key components in the motor from being damaged by external physical factors, for example, in some more severe industrial environment or outdoor environment, motor can face the threat of dust, moisture, corrosive gas and other factors, motor housing 1 can effectively block these substances from entering the motor, avoid the motor from being damaged due to short circuit, corrosion and other problems, the stator 2 is tightly nested in the coaxial center in the inside of motor housing 1, and the stator 2 is the stationary part of motor, it is mainly composed of iron core and winding, when the stator 2 winding is connected with three-phase alternating current, a rotating magnetic field will be generated in the stator 2 iron core, and this rotating magnetic field is the key factor for motor to realize the conversion of electric energy into mechanical energy, taking three-phase asynchronous motor as an example, the stator 2 winding is arranged in the iron core slot according to certain rule, and the rotating magnetic field generated by three-phase alternating current, and the rotating speed is related to power frequency and pole pair number of motor, the magnetic field will drive the rotor 3 to rotate, the stator 2 is provided with the rotor 3 in the middle, and the rotor 3 is the rotating part in the motor, which rotates under the action of the rotating magnetic field generated by the stator 2; the rotation of the rotor 3 is the direct embodiment of the mechanical energy output by the motor, and the motor shaft is connected with external mechanical load, so that the torque generated by the motor is transmitted to the load, thereby driving the load to work;

[0024] The rotator 3 connecting shaft is detachably installed with a rotating fan blade 4 through bolts. The rotating fan blade 4 is a direct action object of the motor power output, and its main function is to rotate under the driving of the motor, thereby generating airflow. In the hair dryer, the rotating fan blade 4 rotates rapidly to suck in the surrounding air and accelerate the discharge, forming a continuous airflow. The motor housing 1 is detachably installed with an end cover 5 at one end through threads. The end cover 5 mainly functions to close the motor to prevent dust, sundries and the like from entering the inside of the motor, thereby protecting the stator 2, the rotator 3 and other components inside the motor. The motor housing 1 is fixed with a support 6 at the other end. The support 6 is integrally formed with the motor housing 1 and can be subjected to electric conduction treatment. The support 6 is provided with a wiring terminal 7 at the other end. The wiring terminal 7 is a 4PIN terminal. The 4PIN terminal is an electrical connection interface with four pins. It is usually in a rectangular or square plastic packaging structure, and contains four metal pins. These pins are used to transmit different electrical signals or power supply. The pins are insulated from each other to prevent signal interference or short circuit. The wiring terminal 7 is inlaid with a copper foil 8 in the middle. The copper foil 8 is a kind of cathode electrolytic material with a variety of excellent properties and wide application. Copper has good electrical conductivity, so the copper foil 8 can efficiently transmit current, which makes it widely used as a conductor in various electronic devices to meet the requirements of different circuits for current transmission.

[0025] Please refer to Figure 1 , Figure 2 and Figure 3 again, it is worth noting that one end of the copper foil 8 is connected to the ground pin of the wiring terminal 7 through a welding wire. The copper foil 8 is in the form of a flat sheet. One side of the copper foil 8 is in contact with the outer surface of one side of the support 6. The edge of the copper foil 8 is bent to form an L-shaped hook. A rectangular clamping groove is provided in the inside of the wiring terminal 7. The hook of the copper foil 8 is tightly embedded in the clamping groove. A rubber buffer strip is provided on the inner wall of the clamping groove. The two surfaces of the copper foil 8 are polished to have mirror-like flatness. The ground wire passage of the copper foil 8 and the inside of the wiring terminal 7 are tightly connected through a metal conductive sheet and riveting fixation. The main body of the wiring terminal 7 is formed by injection molding of hard insulating plastic.

[0026] Please refer to Figure 1 , Figure 2 and Figure 3 again, it is worth noting that the support 6 and the motor housing 1 are integrally formed by aluminum alloy casting. A circular bearing mounting hole is provided in the middle of the support 6 along the axial direction. A deep groove ball bearing is installed in the hole. The corresponding section of the rotator 3 connecting shaft is connected to the inner ring of the bearing in interference fit. A circular bearing mounting hole is provided in the middle of the end cover 5 along the axial direction. A deep groove ball bearing is installed in the hole. The corresponding section of the rotator 3 connecting shaft is connected to the inner ring of the bearing in interference fit. The rotator 3 and the stator 2 are magnetically connected under the electromagnetic induction effect and keep an annular air gap.

[0027] Please refer to Figure 1 , Figure 2 andFigure 3 , worth noting in particular, the rotating fan 4 middle part is connected with the rotor 3 shaft by bolt, rotating fan 4 is located in the axial center position of motor housing 1 inside and the fan edge is matched with the clearance of motor housing 1 inner wall.

[0028] The utility model discloses when using: by closely adhering in terminal 7 on the bracket 6, the basic connection relation of structure is built up.This time, copper foil 8 installed in the bottom surface of terminal 7 plays the key conductive hinge function, it realizes the stable electrical connection with the ground wire of terminal 7 on one hand, ensures the integrity of ground circuit;On the other hand, it is successfully built up with the bracket 6 fixed on motor housing 1 direct connection passage, forms a continuous conductive link from motor housing 1 to the ground wire of terminal 7;

[0029] In this way, motor housing 1 can reach the ground purpose with the ingenious design naturally.Compared with the traditional grounding mode, this novel design completely abandons the cumbersome operation process of additional welding grounding.In the traditional mode, welding grounding not only requires that the operator has consummate welding skill, but also involves a series of processes such as complex welding equipment preparation, welding parameter debugging and subsequent welding quality detection, which undoubtedly greatly increases the complexity and time cost of process.The new design solves these problems greatly simplifies the wiring steps, and only needs simple assembly operation to ensure that motor housing 1 is reliably grounded, realizes the effect of convenient wiring, provides convenience for the wiring operation of workers, and further achieves the effect of improving the convenience of hair dryer motor wiring.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hair dryer motor that is easy to wire, comprising a motor housing (1), characterized in that: The motor housing (1) has a stator (2) tightly nested coaxially inside. A rotor (3) is provided in the middle of the stator (2). A rotating fan blade (4) is detachably installed on the rotor (3) connecting shaft by bolts. An end cover (5) is detachably installed on one end of the motor housing (1) by threads. The motor housing (1) is fixed with a bracket (6) at one end, and a terminal block (7) is provided at the other end of the bracket (6). A copper foil (8) is embedded in the middle of the terminal block (7).

2. The hair dryer motor for easy wiring according to claim 1, characterized in that: One end of the copper foil (8) is connected to the ground pin of the terminal (7) through a welding wire. The copper foil (8) is in the shape of a flat sheet. One side of the copper foil (8) is in contact with the outer surface of one side of the bracket (6).

3. A hair dryer motor for easy wiring according to claim 1, characterized in that: The copper foil (8) is bent at the edge to form an L-shaped hook, and a rectangular slot is correspondingly provided inside the terminal (7). The hook of the copper foil (8) is tightly fitted with the slot, and a rubber buffer strip is provided on the inner wall of the slot.

4. A hair dryer motor for easy wiring according to claim 1, characterized in that: The two surfaces of the copper foil (8) are polished to achieve a mirror-like flatness. The copper foil (8) and the ground wire passage inside the terminal (7) are tightly connected by metal conductive sheets and riveting. The main body of the terminal (7) is injection molded from rigid insulating plastic.

5. A hair dryer motor for easy wiring according to claim 1, characterized in that: The bracket (6) and the motor housing (1) are integrally cast from aluminum alloy. A circular bearing mounting hole is provided in the middle of the bracket (6) along the axial direction. A deep groove ball bearing is installed in the hole. The corresponding section of the rotor (3) connecting shaft is interference-fitted with the inner ring of the bearing.

6. A hair dryer motor for easy wiring according to claim 1, characterized in that: The end cap (5) has a circular bearing mounting hole in the middle along the axial direction. A deep groove ball bearing is installed in the hole. The corresponding section of the rotor (3) connecting shaft is interference-fitted with the inner ring of the bearing. The rotor (3) and the stator (2) are magnetically connected under the action of electromagnetic induction and maintain an annular air gap.

7. A hair dryer motor for easy wiring according to claim 1, characterized in that: The rotating fan blade (4) is connected to the rotor (3) shaft by bolts in the middle. The rotating fan blade (4) is located at the axial center inside the motor housing (1) and the edge of the fan blade is in clearance fit with the inner wall of the motor housing (1).

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