CN2475214Y

CN2475214Y - DC brushless vibratory motor

Info

Publication number: CN2475214Y
Application number: CN 01223101
Authority: CN
Inventors: 洪银树; 洪庆升; 尹佐国
Original assignee: Sunonwealth Electric Machine Industry Co Ltd
Current assignee: Sunonwealth Electric Machine Industry Co Ltd
Priority date: 2001-04-30
Filing date: 2001-04-30
Publication date: 2002-01-30
Anticipated expiration: 2011-04-30

Abstract

The utility model relates to a dc brushless vibration motor which comprises a cylinder-shaped shell, a stator seat which is fixed on an inner wall of the shell and comprises a coil and a magnetic pole; and a rotor provided with a permanent magnet and an eccentric shaft which are one-body on thereof shaft, the permanent magnet being relative to the magnetic pole of the stator seat, further provided with a circuit board with an induction driving loop which is arranged inside the shell, the eccentric shaft being arranged inside the cylinder-shaped shell beside the stator seat. The dc brushless vibration motor has the advantages of convenient assembly and easing processing, and does not have the defects of collision and hooking with other components because of thereof eccentric shaft rotating inside the shell.

Description

Direct-flow brushless type vibrating motor

The utility model relates to a kind of Direct-flow brushless type vibrating motor, refers in particular to the improved Direct-flow brushless type vibrating motor of a kind of its eccentric block.

Shown in Figure 1 is a kind of known Direct-flow brushless type vibrating motor, primary structure is: will go up clamshell 90 and fix with following clamshell 91, should go up clamshell 90 and be respectively equipped with the seat 92 that protrudes up and down with following clamshell 91, device has bearing 93 in this seat 92, upper and lower bearing 93 articulates a rotation axis 94, this rotation axis 94 is provided with a permanent magnet 95, and it can electromagnetic induction take place with coil holder 96, stretches out at rotation axis 94 on the part of clamshell 90 to be installed with an eccentric part 97.When permanent magnet 95 with after coil holder 96 is responded to mutually, rotation axis 94 rotates owing on this rotation axis 94 eccentric part 97 is arranged, so this motor produces vibration when rotating.

This known Direct-flow brushless type vibrating motor is installed on the rotation axis 94 that stretches out clamshell 90 owing to its eccentric part 97, therefore, very easily draw during these eccentric part 97 rotations, will the parts that use this vibrating motor be damaged like this with other members, electric wire generation collision and hook; In addition, also trouble very of the manufacturing of this known Direct-flow brushless type vibrating motor.

The purpose of this utility model is to overcome above-mentioned defective provides a kind of Direct-flow brushless type vibrating motor, this miniature motor to have better simply structure with deficiency, processing and manufacturing easily.

Another purpose of the present utility model is to provide a kind of Direct-flow brushless type vibrating motor, and the revolving part of this vibrating motor, eccentric part can access good protection.

For achieving the above object, the utility model adopts following technical proposals: it comprises: tubular shell, and this housing bottom is provided with pivoted hole, and the openend of a usefulness cover closure is arranged at the top, on this cover plate pivoted hole is arranged; Be fixed on the stator seat on the described inner walls, this stator seat comprises coil and magnetic pole; Rotor, its a end is articulated in the pivoted hole of described housing bottom, the other end is articulated in the pivoted hole of described cover plate, permanent magnet and eccentric part that one one is arranged on this, this permanent magnet correspondence is on the magnetic pole of described stator seat, comprise that also one has the circuit board that induction drives the loop, this circuit board is fixed in the described housing; Described eccentric part is located in the said stator seat tubular shell on one side.

In two pivoted holes of described housing and cover plate, have in the pivoted hole to be provided with bearing.

Described stator seat is provided with the post that combines with described circuit board.

Described circuit board and stator seat are fixed on the bottom in the above-mentioned tubular shell.

Described circuit board and stator seat are fixed on the openend of described tubular shell.

Described cover plate is provided with induction and drives the loop.

After adopting technique scheme, because eccentric part rotates in housing, therefore, this eccentric part can not draw with other member, power line collision, hook; In addition, when two ends of axle directly were articulated in the pivoted hole, rotor can produce the effect of upper and lower vibration when rotating, and when being articulated in axle two ends in pivoted hole and the bearing respectively, the rotation of this rotor will be with the effect of stable rotation and upper and lower vibration.In addition, the overall structure of this vibrating motor has advantage easy to assembly, easy processing

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the combination section of the structure of known Direct-flow brushless type vibrating motor;

The three-dimensional exploded view of first embodiment of Fig. 2 Direct-flow brushless type vibrating motor of the present utility model;

The combination section of first embodiment of Fig. 3 Direct-flow brushless type vibrating motor of the present utility model;

The combination section of second embodiment of Fig. 4 Direct-flow brushless type vibrating motor of the present utility model;

The combination section of the 3rd embodiment of Fig. 5 Direct-flow brushless type vibrating motor of the present utility model.

Fig. 2,3 is depicted as first embodiment of Direct-flow brushless type vibrating motor of the present utility model.This Direct-flow brushless type vibrating motor is made of members such as housing 1, stator seat 2, rotor 3 and circuit boards 4.

Housing 1 can be tubular, it has an openend 11, and this openend 11 can be fixed this cover plate 12 after fixed block 13 bendings on the housing 1 by a cover plate 12 cover caps, housing 1 and cover plate 12 have corresponding pivoted hole 14, and this pivoted hole 14 is used for articulating two ends of rotor 3.In this preferred embodiment, can in the pivoted hole 14 of this housing 1 or cover plate 12, establish a bearing 15, thereby make axle 31 rotations of rotor 3 that preferable stability be arranged the time.

Stator seat 2 is fixed in the housing 1, in the present embodiment, this stator seat 2 closely cooperates and is fixed on the inwall of housing 1, post 24 combines with circuit board 4, this stator seat 2 is wound with coil 21, and lead-in wire 22 is made the joint of power supply, and this stator seat 2 has magnetic pole 23, this magnetic pole 23 can be responded to mutually with the permanent magnet 32 of rotor 3, thereby drives rotor 3 rotations.

Rotor 3 is articulated in the pivoted hole 14 or bearing 15 of housing 1 and cover plate 12 by two ends of axle 31, this rotor 3 has the permanent magnet 32 and an eccentric part 33 of an one, because permanent magnet 32 is responded to mutually with the magnetic pole 23 of stator seat 2, thereby makes this rotor 3 be driven in rotation.In this preferred embodiment, because this rotor 3 is provided with eccentric part 33, and be arranged in stator seat 3 housing 1 on one side, therefore, the center of gravity of this rotor 3 and its pivot can make whole motor form vibration when rotor 3 rotates so not on same center line.Again since this permanent magnet 32 and eccentric part 33 all in housing 1, therefore, permanent magnet 32 and eccentric part 33 can not produce collision with other members or power line or hook draws during these rotor 3 rotations.In addition, when these two ends of 31 are articulated in the pivoted hole 14 of housing 1 and cover plate 12 respectively,, therefore, when rotor 3 rotates, can produce good upper and lower vibrating effect owing to do not closely cooperate between this axle 31 and the pivoted hole 14.Simultaneously, establish a bearing 15 in two pivoted holes 14 of this housing 1 or cover plate 12, an end of these bearing 15 drive-connecting shafts 31 like this, during rotor 3 rotations, will have good stability and and upper and lower vibrating effect.

Circuit board 4 can be fixed in the housing 1, perhaps as shown in the figure, circuit board 4 is fixed on the stator seat 2, and this circuit board 4 has induction and drives the loop, and it comprises IC commonly used, hall sensing element and other necessary members.

See also the 3rd figure, it is the combination section of this first embodiment.Stator seat 2 is fixed on the inwall of housing 1, axle 31 wears permanent magnet 32 and eccentric part 33, and axle 31 2 ends are articulated in respectively in the pivoted hole 14 or bearing 15 of housing 1 and cover plate 12, and fixed block 13 is bent with securing cover plate 12.Like this, just finished the assembling of this Direct-flow brushless type vibrating motor, it has conveniently, easy machining characteristics; Because this eccentric part 33 rotates in housing 1, therefore can not produce and drawbacks such as other members, power line collision, hook draw.

Shown in Figure 4 is second embodiment of the present utility model, it mainly is mounted with circuit board 4 in regular turn from the bottom in the housing 1 of tubular, stator seat 2, articulate an end of the axle 31 of rotor 3 by the bearing in the pivoted hole 14 of this housing 1 15, on the axle 31 permanent magnet 32 and eccentric part 33 are arranged, permanent magnet 32 correspondences are on the magnetic pole 23 of stator seat 2, thereby rotor 3 can sensedly be rotated, eccentric part 33 is positioned at the position, upper end slightly of housing 1, the openend 11 of housing 1 is sealed by cover plate 12, this cover plate 12 is fixed in fixed block 13 bending, the other end of pivoted hole 14 drive-connecting shafts 31 by this cover plate 12.Like this, just finished the assembling of this Direct-flow brushless type vibrating motor, it has conveniently, machining characteristics easily, and this eccentric part 33 rotates housing 1 in again, therefore, shortcoming such as can not occur and other member, power line collide, hook draws.

Shown in Figure 5 is the 3rd embodiment of the present utility model.Bearing 15 in the pivoted hole 14 of housing 1 inner bottom part of tubular articulates an end of the axle 31 of rotor 3, permanent magnet 32 and eccentric part 33 that one one is arranged on the axle 31, permanent magnet 32 correspondences are on the magnetic pole 23 of stator seat 2, stator seat 2 is fixed on the inwall of housing 1, axle 31 other ends of rotor 3 directly are articulated in the pivoted hole 41 of circuit board 4, by of openend 11 sealings of this circuit board 4 with housing 1, piece 13 bending that can be fixed of this circuit board 4 is fixing, therefore, this circuit board 4 can be used as the sealing this housing 1 openend 11 use.Like this, advantage easy to assembly, easy processing that the vibrating motor of present embodiment has, eccentric part 33 rotates in housing 1 again, therefore, can not produce and drawbacks such as other member, power line collision, hook draw.

The above only is a best specific embodiment of the present utility model, actual being not limited thereto, and all have identical or the variation person of the principle of equal effects, is all the protection range of this patent.

Claims

1, a kind of Direct-flow brushless type vibrating motor comprises: tubular shell, and this housing bottom is provided with pivoted hole, and the openend of a usefulness cover closure is arranged at the top, on this cover plate pivoted hole is arranged; Be fixed on the stator seat on the described inner walls, this stator seat comprises coil and magnetic pole; Rotor, its a end is articulated in the pivoted hole of described housing bottom, the other end is articulated in the pivoted hole of described cover plate, permanent magnet and eccentric part that one one is arranged on this, this permanent magnet correspondence is on the magnetic pole of described stator seat, it is characterized in that: comprise that also one has the circuit board that induction drives the loop, this circuit board is fixed in the described housing; Described eccentric part is located in the said stator seat tubular shell on one side.

2, Direct-flow brushless type vibrating motor according to claim 1 is characterized in that: in two pivoted holes of described housing and cover plate, be provided with bearing in a pivoted hole.

3, Direct-flow brushless type vibrating motor according to claim 1 is characterized in that: described stator seat is provided with the post that combines with described circuit board.

4, Direct-flow brushless type vibrating motor according to claim 1 is characterized in that: described circuit board and stator seat are fixed on the bottom in the above-mentioned tubular shell.

5, Direct-flow brushless type vibrating motor according to claim 1 is characterized in that: described circuit board and stator seat are fixed on the openend of described tubular shell.

6, Direct-flow brushless type vibrating motor according to claim 1 is characterized in that: described cover plate is provided with induction and drives the loop.