CN210536405U

CN210536405U - Flat motor mounting structure

Info

Publication number: CN210536405U
Application number: CN201921884213.XU
Authority: CN
Inventors: 张国付; 王远东; 张冠军
Original assignee: Leader Micro Electronic Huizhou Co ltd
Current assignee: Leader Micro Electronic Huizhou Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-05-15
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a flat motor mounting structure, its characterized in that: the motor comprises a motor body (1), a connection PIN (personal identification number) PIN (2) and a connection part (3), wherein the PIN PIN (2) is connected to the motor body (1), a jack (21) is arranged on the connection PIN PIN (2), and a welding pad (22) is arranged on the periphery of the jack (21) on the connection PIN PIN (2); the wiring portion (3) includes a pin (31), and the pin (31) is insertable into the insertion hole (21) and is solderable to the land (22). The utility model is used for provide the reliability in the flat motor use.

Description

Flat motor mounting structure

Technical Field

The utility model relates to the technical field of motors, concretely relates to flat motor mounting structure.

Background

The flat motor is a commonly used micro motor, and the volume of the motor is reduced through flattening treatment, so that the space occupation on a product using the micro motor is reduced; the flat motor can realize vibration motion, for example, vibration function of electronic equipment such as a mobile phone. The electrical connection between the flat motor and the flat motor product is mostly in the form that the PIN foot of the motor is directly abutted with the circuit connecting end of the product or is abutted through a spring.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to not enough in the background art, provide a flat motor mounting structure that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a flat motor mounting structure comprises a motor body, a wiring PIN and a wiring part, wherein the PIN is connected to the motor body, a jack is arranged on the wiring PIN, and a bonding pad is arranged on the periphery of the jack on the wiring PIN; the wiring portion includes a pin that can be inserted into the receptacle and can be soldered to the pad.

Further, the wiring portion still includes the connection terminal, the contact PIN connection terminal sets up on the connection terminal, the connection PIN foot can the crimping on the connection terminal.

Further, the wiring PIN foot is a multilayer circuit board structure, the pad is connected into the motor body through a circuit, and the circuit is arranged in the middle layer of the multilayer circuit board structure.

Further, the motor body comprises an upper shell, a rotor assembly, a stator assembly, a mounting shaft and a lower shell, the rotor assembly is rotatably arranged in a space formed by connecting the upper shell and the lower shell through the mounting shaft, and the stator assembly is fixed in the space formed by connecting the upper shell and the lower shell; the wiring PIN is provided with a mounting hole, and the mounting shaft is inserted in the mounting hole; the connection PIN foot is electrically connected with the rotor assembly through an electric brush.

Further, the rotor subassembly includes mounting panel, oscillator, coil and bearing, the mounting panel passes through the bearing and connects on the installation axle, oscillator and coil all set up on the mounting panel.

Furthermore, the inner side of the upper casing is also provided with an adhesive gasket.

Further, the stator assembly comprises magnetic steel, and the magnetic steel is fixed on the inner side of the lower shell.

The utility model discloses the beneficial effect who realizes mainly has following several: the product using the flat motor is provided with the contact PIN, and the wiring PIN of the flat motor is provided with the jack and the pad, so that the contact PIN can be inserted into the jack and welded with the pad, thereby realizing the electrical connection between the flat motor and the product using the flat motor, the mechanical connection between the flat motor and the product using the flat motor, and the installation position of the flat motor can be positioned through the jack and the contact PIN; the flat motor is fixed on a product using the flat motor in a positioning and welding mode, so that the installation reliability of the flat motor is ensured, and the flat motor is difficult to generate abnormal phenomena such as connection looseness and the like between the flat motor and the product during long-time vibration work.

Drawings

Fig. 1 is a schematic structural diagram of an external shape of a motor body of a flat motor mounting structure according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a PIN connecting PIN of a flat motor mounting structure according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a wiring portion of a flat motor mounting structure according to an embodiment of the present invention;

fig. 4 is a schematic structural view illustrating a connection of a motor body, a PIN terminal and a terminal portion of a flat motor mounting structure according to an embodiment of the present invention;

fig. 5 is an exploded view of a motor body of a flat motor mounting structure according to a second embodiment of the present invention;

fig. 6 is a schematic perspective view of a motor body of a flat motor mounting structure according to a second embodiment of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1 to 4, a flat motor mounting structure for electrical and mechanical mounting between a flat motor and a product (e.g., a mobile phone) using the motor includes a motor body 1, a connection PIN 2 and a connection portion 3, the motor body 1 is a whole of a portion having a vibration function, the connection PIN is a structure for electrical connection between the motor body and the product (e.g., the mobile phone) using the motor, and the connection portion 3 is a structure for connection between the product (e.g., the mobile phone) using the motor and the motor. The flat motor can be connected to a product using the flat motor by connecting the PIN PINs 2 to the connection portions 3.

Referring to fig. 1-4, the connection PIN 2 is connected to the motor body 1 and connected to the brush 25; the connection PIN 2 can be a hard PCB or a soft FPCB, the connection PIN 2 is provided with a jack 21, the periphery of the jack 21 on the connection PIN 2 is provided with a pad 22, and the pad 22 can be connected to the inside of the flat motor body 1 and electrically communicated with a brush 25; the two connection PIN PINs 2 are generally arranged and comprise positive and negative PIN PINs which can be arranged on the same PCB or FPCB board. The wiring part 3 comprises two pins 31, the pins 31 are of a metal conductor structure, the number of the pins 31 is two, the pins are corresponding to the positive and negative poles, and the distance and the thickness of the two pins 31 need to be matched with the two jacks 21; when the flat motor is installed with a product using the flat motor, the pin 31 can be inserted into the insertion hole 21 and can be welded with the pad 22, specifically, soldering can be adopted to form the welding point 4, so that the pin 31 is electrically communicated with the brush 25 inside the motor body 1, and power is supplied to the flat motor. The product using the flat motor is provided with the contact PIN, and the wiring PIN of the flat motor is provided with the jack and the pad, so that the contact PIN can be inserted into the jack and welded with the pad, thereby realizing the electrical connection between the flat motor and the product using the flat motor, the mechanical connection between the flat motor and the product using the flat motor, and the installation position of the flat motor can be positioned through the jack and the contact PIN; the flat motor is fixed on a product using the flat motor in a positioning and welding mode, so that the installation reliability of the flat motor is ensured, and the flat motor is difficult to generate abnormal phenomena such as connection looseness and the like between the flat motor and the product during long-time vibration work.

Referring to fig. 3 and 4, as a further preferred solution, the wire connection portion 3 further includes a wire connection base 32, and the wire connection base 32 may be a step, a bottom plate, or the like on a product using a flat motor; the contact PIN 31 is arranged on the wiring seat 32, so that when the connection PIN 2 and the wiring part 3 are installed, the connection PIN can be pressed on the wiring seat 32, when the contact PIN 31 is welded with the bonding pad 22, the connection PIN 2 is stably pressed on the wiring seat 32, the welding is firmer, and the reliability of the flat motor in long-time working is further ensured.

As a further preferable scheme, the connection PIN 2 preferably adopts a multilayer circuit board structure, which includes at least three layers, two insulating layers on two sides and a middle circuit 23, and the circuit 23 is disposed in the middle layer of the multilayer circuit board structure, so that the circuit can be protected and is not easily damaged by oxidation or mechanical external force. The pads 22 are exposed on the surface of the multilayer circuit board and are connected into the motor body 1 through wires 23.

The flat motor of the present embodiment is mounted to the wire connecting portion 3 as follows: the flat motor is put into a motor mounting position on a product, the wiring PIN 2 is inserted into the PIN 31 of the wiring part 3 through the insertion hole 21, and then the PIN 31 and the pad 22 are welded together through soldering.

Example two

Referring to fig. 5 and 6, the installation manner of the flat motor installation structure in the present embodiment is the same as that in the first embodiment, and the present embodiment further provides a specific structure of the flat motor, which is as follows: the motor body 1 comprises an upper casing 11, a rotor assembly 12, a stator assembly 13, a mounting shaft 14 and a lower casing 15, wherein the mounting shaft 14 is fixed on the inner side of the lower casing 15, the upper casing 11 and the lower casing 15 can be buckled together, a space is arranged in the motor body, the rotor assembly 12 is rotatably arranged in the space formed by connecting the upper casing 11 and the lower casing 15 through the mounting shaft 14, and the stator assembly 13 is fixed in the space formed by connecting the upper casing 11 and the lower casing 15. Be provided with mounting hole 24 on the PIN foot 2 of working a telephone switchboard, installation axle 14 is pegged graft in mounting hole 24 to can fix PIN foot 2 of working a telephone switchboard at motor body structural, adopt this kind of mode fixed connection PIN foot 2, simple structure, equipment convenient operation. The connection PIN 2 and the rotor assembly 12 are electrically connected through the brush 25, and the brush 25 can be welded on the connection PIN 2 (a pad for welding the brush 25 is arranged on the connection PIN 2 left and right).

Referring to fig. 5 and 6, the rotor assembly 12 includes a mounting plate 121, a vibrator 122, a coil 123 and a bearing 124, the mounting plate 121 is connected to the mounting shaft 14 through the bearing 124, the vibrator 122 and the coil 123 are both disposed on the mounting plate 121, a circuit board 125 connected to the brush 25 is additionally disposed, and a commutator commutation circuit is further disposed on the circuit board 125. So that the circuit board 125, the vibrator 122 and the coil 123 can rotate with the mounting plate 121 on the mounting shaft 14. The stator assembly 13 mainly includes a magnetic steel 131, and the magnetic steel 131 is fixed inside the lower casing 15. The electric energy of the external circuit is transmitted to the coil 123 through the brush 25 to generate magnetic force, and then the circuit board 125, the vibrator 122 and the coil 123 can be driven to rotate on the mounting shaft 14 by the magnetic force along with the mounting plate 121 through the magnetic force of the magnetic steel 131, and the vibrator 122 rotates to generate centrifugal force, so that the vibration effect of the flat motor can be realized.

Referring to fig. 5 and 6, it is preferable that an adhesive pad 16 is provided on the inner side of the upper housing 11, so that the friction force when the bearing is in rotational contact with the upper housing can be reduced and the noise can be reduced.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A flat motor mounting structure characterized in that: the motor comprises a motor body (1), a connection PIN (personal identification number) PIN (2) and a connection part (3), wherein the PIN PIN (2) is connected to the motor body (1), a jack (21) is arranged on the connection PIN PIN (2), and a welding pad (22) is arranged on the periphery of the jack (21) on the connection PIN PIN (2); the wiring portion (3) includes a pin (31), and the pin (31) is insertable into the insertion hole (21) and is solderable to the land (22).

2. The flat motor mounting structure according to claim 1, wherein: the wiring part (3) further comprises a wiring holder (32), the PIN (31) and the wiring holder (32) are arranged on the wiring holder (32), and the wiring PIN (2) can be pressed on the wiring holder (32).

3. The flat motor mounting structure according to claim 2, wherein: the wiring PIN foot (2) is of a multilayer circuit board structure, the bonding pad (22) is connected into the motor body (1) through a circuit (23), and the circuit (23) is arranged in the middle layer of the multilayer circuit board structure.

4. The flat motor mounting structure according to any one of claims 1 to 3, wherein: the motor body (1) comprises an upper machine shell (11), a rotor assembly (12), a stator assembly (13), a mounting shaft (14) and a lower machine shell (15), wherein the rotor assembly (12) is rotatably arranged in a space formed by connecting the upper machine shell (11) and the lower machine shell (15) through the mounting shaft (14), and the stator assembly (13) is fixed in the space formed by connecting the upper machine shell (11) and the lower machine shell (15); the wiring PIN (2) is provided with a mounting hole (24), and the mounting shaft (14) is inserted in the mounting hole (24); the connection PIN (2) is electrically connected with the rotor assembly (12) through an electric brush (25).

5. The flat motor mounting structure according to claim 4, wherein: the rotor assembly (12) comprises a mounting plate (121), a vibrator (122), a coil (123) and a bearing (124), the mounting plate (121) is connected to a mounting shaft (14) through the bearing (124), and the vibrator (122) and the coil (123) are both arranged on the mounting plate (121).

6. The flat motor mounting structure according to claim 5, wherein: the inner side of the upper shell (11) is also provided with an adhesive gasket (16).

7. The flat motor mounting structure according to claim 4, wherein: the stator assembly (13) comprises magnetic steel (131), and the magnetic steel (131) is fixed on the inner side of the lower shell (15).