CN2810012Y

CN2810012Y - Power supply connection structure for flat motor

Info

Publication number: CN2810012Y
Application number: CN 200520054481
Authority: CN
Inventors: 潘政民; 狄建林; 董乐平
Original assignee: SHENZHEN TAIRUIMEI PRECISION COMPONENTS CO Ltd
Current assignee: Shenzhen Meiou Electronics Co Ltd
Priority date: 2005-01-29
Filing date: 2005-01-29
Publication date: 2006-08-23
Anticipated expiration: 2015-01-29

Abstract

The utility model relates to a power supply connection structure for a flat motor, which comprises a main body of the flat motor, and a circuit board, wherein the main body of the flat motor comprises an eccentric armature, a shaft, an oil-retaining bearing, an annular magnet, an upper cover, a bottom cover, a soft circuit board which is arranged on the inner surface of the bottom cover, and a pair of electric brushes which switch on the armature and the soft circuit board; the circuit board is arranged on the outer surface of the bottom cover. Two electric areas which are separated are respectively arranged on the soft circuit board and the circuit board which are respectively arranged on the inner surface and the outer surface of the bottom cover; small holes are arranged on the bottom cover of the motor to cause the two electric areas to be correspondingly and electrically connected. The flat motor can be electrically connected with PCB boards on terminal devices, such as mobile phones, etc., by adopting different wiring boards, such as a circuit board which is provided with a concentric circle or two semicircular welding disks, a circuit board which is additionally provided with a spring, or reeds of various forms, etc. The volume of the flat motor is effectively reduced by adopting the power supply connection structure, and importantly, the flat motor can be conveniently assembled on a terminal product by the SMT technology to improve production efficiency.

Description

The flat electric machine power connection structure

[technical field]

The utility model relates to a kind of flat electric machine, relates in particular to a kind of flat electric machine power connection structure.

[background technology]

Apply to the vibrating motor of small-sized medical health apparatus such as the incoming call silent alert of mobile communication terminal such as mobile phone, beeper etc. and vibrator for massage, have that drag cup is cylindrical, iron core is cylindrical and platypelloid type is several.The power supply connected mode of existing flat vibrating motor (hereinafter to be referred as flat electric machine) mainly realizes by following dual mode: at motor internal a pair of brush is set and contacts with eccentric armature, the brush other end is fixed on the circuit board of motor bottom inner surface, on circuit board is drawn out to two electrodes electrode contact outside the motor housing respectively.A kind of mode is directly to be welded on the flat electric machine corresponding electrode contact with thin wire or Flexible Printed Circuit (FPC), and the other end of lead or Flexible Printed Circuit is vacant or refill and establish connector and peg graft with corresponding connector; Another mode then is to set up attached plastic frame outside the motor bottom, contacts with other circuit terminal on the communication terminal at installing spring or reed on the plastic frame again.This dual mode all is not easy to flat electric machine is assembled on the pcb board by SMT technology, and because the binding posts such as spring on the attached plastic frame are to be connected with the electrode contact of flat electric machine outside, increased the needed space of auxiliary equipment, the overall volume that is difficult to dwindle flat electric machine.

[utility model content]

Technical problem to be solved in the utility model is: a kind of flat electric machine power connection structure is provided, and it can make flat electric machine be assembled on the pcb board with SMT technology easily.

The further technical problem to be solved of the utility model is: a kind of flat electric machine power connection structure is provided, and it can be electrically connected with corresponding limit realization on the pcb board by metal spring or the metal spring leaf way of contact.

For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of flat electric machine power connection structure, it comprises a flat electric machine main body and a terminal block, this motor main body comprises eccentric armature, axle and oiliness bearing, annular magnet, loam cake, bottom, place a pair of brush of Flexible Printed Circuit and the conducting armature and the Flexible Printed Circuit of bottom inner surface, terminal block is installed on the bottom outer surface, respectively be provided with two conductive regions separately on the Flexible Printed Circuit on the inside and outside two sides of the bottom that is placed in and the terminal block, the conductive region of installing brush is electrically connected with through-hole form with the pad of its reverse side on the Flexible Printed Circuit, offer aperture on the motor bottom, the pad on the Flexible Printed Circuit is electrically connected with corresponding conductive region on the terminal block by this aperture.

Further improvement in the technical proposal is: respectively be equiped with a metal spring and the first stop bit device on two conductive regions of described terminal block.

Further improvement in the technical proposal is: respectively be equiped with a metal spring leaf and the second stop bit device on two conductive regions of described terminal block.

The beneficial effects of the utility model are: realize being electrically connected between the PCB on the terminal installations such as flat electric machine and mobile phone by adopting different terminal block structure: assemble when terminal block adopts the pcb board of band concentric circles or two semi-circular pads to make flat electric machine can directly be used to SMT technology; And terminal block can also adopt band metal spring or various forms of reed structure, in this case, flat electric machine directly is not welded on the pcb board, but be installed in other parts such as shell of terminal installations such as mobile phone, when being assembled into product, flat electric machine forms good being electrically connected with pcb board by forms such as metal spring, reed or spring needles.

By adopting this power connection structure, the overall volume of having dwindled flat electric machine effectively be the more important thing is and flat electric machine can also be assembled in the end product with SMT technology easily, has improved production efficiency.

Below in conjunction with accompanying drawing the utility model is described in further detail.

[description of drawings]

Fig. 1 is the cutaway view of the utility model flat electric machine power connection structure.

Fig. 2 is the schematic diagram after the perforate of the utility model flat electric machine bottom.

Fig. 3 is the Flexible Printed Circuit schematic diagram that is installed in the bottom inner surface in the utility model.

Fig. 4 and Fig. 5 are two kinds of embodiment schematic diagrames of terminal block in the utility model.

Fig. 6 is the cutaway view of setting up on the terminal block in the utility model behind the metal spring and the first stop bit device.

Fig. 7 is the schematic diagram of setting up on the terminal block in the utility model behind the metal spring and the first stop bit device.

Fig. 8 and Fig. 9 are the schematic diagrames of setting up on the terminal block in the utility model behind the metal spring leaf and the second stop bit device.

[embodiment]

See also Fig. 1 to Fig. 4, the utility model provides a kind of flat electric machine power connection structure, it comprises a flat electric machine main body and a terminal block 7, this motor main body comprises a pair of brush 5 of eccentric armature 3, axle and oiliness bearing 4, annular magnet 2, loam cake 1, bottom 8, the Flexible Printed Circuit 6 that places bottom 8 inner surfaces and conducting armature 3 and Flexible Printed Circuit 6, and the ceramic substrate that this terminal block 7 can be pcb board or similar effect, terminal block 7 is installed on bottom 8 outer surfaces.Be placed in and respectively be provided with two conductive regions separately on Flexible Printed Circuit (FPC) 6 on the inside and outside two sides of bottom 8 and the terminal block 7, the pad 62 of conductive region 61 and its reverse side of installing brush 5 is electrically connected with through-hole form on the Flexible Printed Circuit 6, the conductive region form that sets up separately on the terminal block 7 can adopt concentric circles annular 11 or two semicircles 12, respectively as Fig. 4 and shown in Figure 5.On motor bottom 8, offer aperture 81 so that the pad 62 on the Flexible Printed Circuit 6 respectively with terminal block 7 on corresponding conductive region 11 or 12 realize being electrically connected.By adopting different terminal block structures, can realize being electrically connected between the PCB on the terminal installations such as flat electric machine and mobile phone easily: when terminal block adopted the ceramic substrate of the pcb board of band concentric circles 11 or two semi-circular pads 12 or similar effect, flat electric machine can directly be used to the assembling of SMT technology; And terminal block 7 can also adopt and sets up metal spring or various forms of metal spring leaf structure, in this case, flat electric machine directly is not welded on the pcb board, but be installed in other parts such as shell of terminal installations such as mobile phone, when being assembled into product, the pcb board in flat electric machine and the mobile phone forms good electrical contact by forms such as metal spring, metal spring leaf or spring needles.

Fig. 6 is the cutaway view of setting up on the terminal block 7 in the utility model flat electric machine power supply architecture behind the metal spring 9, in order to guarantee that metal spring 9 can be because of not surpassed its elastic limit by excess compression, also can set up the first stop bit device 10, the stop bit device can stick on the terminal block 7, metal spring 9 is welded in the corresponding conductive region on the terminal block 7, and be arranged in the hollow part of reserving in the first stop bit device 10, dwindled the overall volume of flat electric machine effectively, Fig. 7 clearly reflects the hint effect under this embodiment situation.

Fig. 8 and Fig. 9 are the schematic diagrames of setting up on the terminal block 7 in the utility model flat electric machine power supply architecture behind a kind of metal spring leaf 13 of form, and terminal block 7 in this case can be but be not limited to adopt the pcb board with concentric circles pad 11 or the substrate of similar effect.Equally, in order to prevent metal spring leaf 13 because of being followed the string by excess compression, the second stop bit device 14 in can setting up as shown in Figure 7.

Claims

1, a kind of flat electric machine power connection structure, it comprises a flat electric machine main body and a terminal block (7), this motor main body comprises eccentric armature (3), axle and oiliness bearing (4), annular magnet (2), loam cake (1), bottom (8), place a pair of brush (5) of Flexible Printed Circuit (6) and the conducting armature (3) and the Flexible Printed Circuit (6) of bottom (8) inner surface, terminal block (7) is installed on bottom (8) outer surface, it is characterized in that: respectively be provided with two conductive regions separately on the Flexible Printed Circuit (6) on the inside and outside two sides of the bottom that is placed in (8) and the terminal block (7), the conductive region (61) that Flexible Printed Circuit (6) goes up installing brush (5) is electrically connected with through-hole form with the pad (62) of its reverse side, offer aperture (81) on motor bottom (8), the pad (62) on the Flexible Printed Circuit (6) is gone up corresponding conductive region by this aperture and terminal block (7) and is electrically connected.

2, flat electric machine power connection structure as claimed in claim 1, it is characterized in that: described terminal block (7) is pcb board or base of ceramic, one of them conductive region is circular, and another conductive region is the annular with this circular conductive area concentric.

3, flat electric machine power connection structure as claimed in claim 1 is characterized in that: described terminal block (7) is pcb board or base of ceramic, and two conductive regions wherein are two semicircles.

4, as claim 1,2 or 3 described flat electric machine power connection structures, it is characterized in that: on two conductive regions of described terminal block (7), respectively be equiped with a metal spring (9) and the first stop bit device (10).

5, as claim 1,2 or 3 described flat electric machine power connection structures, it is characterized in that: on two conductive regions of described terminal block (7), respectively be equiped with a metal spring leaf (13) and the second stop bit device (14).