CN202817963U

CN202817963U - Housing used for minisize drive motor

Info

Publication number: CN202817963U
Application number: CN 201220510104
Authority: CN
Inventors: 胡小青
Original assignee: Suzhou Beitente Electronic Technology Co Ltd
Current assignee: SHENZHEN TOPVCM CO., LTD.
Priority date: 2012-09-29
Filing date: 2012-09-29
Publication date: 2013-03-20
Anticipated expiration: 2022-09-29

Abstract

The utility model discloses a housing used for a minisize drive motor, comprising an upper cover and a base, wherein the base comprises a bottom wall and side walls protruding upwards from the bottom wall, the center of the bottom wall is provided with a center hole, the base is provided with a wiring hole, and the upper cover comprises a cover plate with a light hole and a compression joint boss protruding downwards from the cover plate. In the process of assembling, the housing used for a minisize drive motor can be gradually and orderly mounted and fixed according to an order from down to top, thereby being simple and convenient in processing step and operation, and effectively increasing production efficiency and product qualified rate.

Description

A kind of housing for micro drive motor

Technical field

The utility model belongs to micromotor structure-design technique field, is specifically related to a kind of housing for micro drive motor.

Background technology

Micro-camera device has been widely used on mobile phone and the notebook computer, and micro drive motor wherein (also being the lens drive motor) is also done less and less.

Traditional micro drive motor generally comprises loam cake, Upper gasket, upper spring sheet, lens carrier, magnetite assembly, coil block, lower gasket, lower spring chip module and base; Traditional loam cake adopts permeability magnetic material to make, and loam cake comprises roof and the sidewall that links to each other with roof, and described roof is provided with loophole; Upper lid top wall below is Upper gasket and upper spring sheet successively, the silk spring that described upper spring sheet comprises outer ring, inner ring and is used for connecting outer ring and inner ring; Described upper spring sheet outer ring is fixed on the Upper gasket diapire; Described upper spring sheet inner ring is fixed on carrier top; Described coil block is fixed on the carrier outer wall, and described magnetite assembly generally is comprised of a plurality of magnetites, is symmetricly set on the coil block outside; Each magnetite generally be to be fixed on the loam cake sidewall by bonding mode; Described magnetite assembly below is lower gasket and lower spring chip module and base successively, and described base adopts plastics to make; Described lower spring chip module comprises two each other lower shell fragments of open circuit, and each time shell fragment comprises outside, inner edge and the silk spring between outside and inner edge, and the inner edge of each time shell fragment is fixed on carrier base, and the outside is fixed on the base by the lower gasket crimping.

The micro drive motor that this kind is traditional, installation is made comparatively loaded down with trivial details, and production efficiency is lower and fraction defective is higher.

The utility model content

The utility model purpose provides the comparatively housing that is used for micro drive motor of Rational Simplification of a kind of structure.

The technical scheme that realizes the utility model purpose is: a kind of housing for micro drive motor comprises loam cake and base; The sidewall that described base comprises diapire and raises up and form, described diapire center is provided with centre bore, and described base is provided with wiring hole; Described loam cake comprises the cover plate that is provided with loophole and the crimping boss that protrudes formation from cover plate downwards.

In the technique scheme, described loam cake is fixedly connected with base side wall by laser welding or bonding mode.

In the technique scheme, described loam cake adopts permeability magnetic material to make.

In the technique scheme, described base adopts permeability magnetic material to make.

The utility model only need to can install and fix according to the order that gets on, get off when assembling one by one, and its operation and operation are comparatively easy; Effective Raise production efficiency and yields.

Description of drawings

Fig. 1 is a kind of perspective view of the present utility model;

A kind of perspective view of Fig. 2 when to be housing shown in Figure 1 from another angle observe;

Fig. 3 is a kind of cutaway view of housing shown in Figure 1;

Fig. 4 is a kind of perspective view that adopts the micro drive motor that Fig. 1 makes;

A kind of perspective view of Fig. 5 when to be micro drive motor shown in Figure 4 from another angle observe;

Fig. 6 is a kind of cutaway view of micro drive motor shown in Figure 4;

Fig. 7 is a kind of explosive view of micro drive motor shown in Figure 4;

A kind of explosive view of Fig. 8 when to be micro drive motor shown in Figure 4 from another angle observe.

Mark is shown in the accompanying drawing: loam cake 1, loophole 11, cover plate 12, crimping boss 13, Upper gasket 2, plate body 21, supporting bracket 22, upper spring sheet 3, outer ring 31, inner ring 32, silk spring 33, lens carrier 41, coil block 42, lower gasket 43, lower spring chip module 6, magnetite assembly 5, magnetite 51, lower shell fragment 61, outside 611, inner edge 612, silk spring 613 connects electric pin 614, base 7, diapire 71, sidewall 72, centre bore 73, wiring hole 74, insulating washer 8, pressing plate 9.

Embodiment

Fig. 1 to Fig. 3 has shown a kind of embodiment of the present utility model, and wherein, Fig. 1 is a kind of perspective view of the present utility model; A kind of perspective view of Fig. 2 when to be housing shown in Figure 1 from another angle observe; Fig. 3 is a kind of cutaway view of housing shown in Figure 1.

Present embodiment is a kind of housing for micro drive motor, sees that Fig. 1 to shown in Figure 3, comprises loam cake 1 and base 7; It is characterized in that: described base 7 comprises diapire 71 and the sidewall 72 that raises up and form, and described diapire 71 centers are provided with centre bore 73, and described base 7 is provided with wiring hole 74; Described loam cake 1 comprises the cover plate 12 that is provided with loophole 11 and the crimping boss 13 that protrudes formation from cover plate 12 downwards.

Described loam cake 1 is fixedly connected with base 7 sidewalls 72 by laser welding or bonding mode.

In the present embodiment, described loam cake adopts permeability magnetic material to make, and described base adopts non-magnet material to make.

(embodiment 2)

Present embodiment is substantially the same manner as Example 1, and difference is: described loam cake adopts non-magnet material to make, and described base adopts permeability magnetic material to make.

(embodiment 3)

Present embodiment is substantially the same manner as Example 1, and difference is: described loam cake and base all adopt permeability magnetic material to make.

(application examples 1, micro drive motor)

Fig. 4 to Fig. 8 has shown a kind of embodiment of micro drive motor in the utility model, and wherein, Fig. 4 is a kind of perspective view that adopts the micro drive motor that Fig. 1 makes; A kind of perspective view of Fig. 5 when to be micro drive motor shown in Figure 4 from another angle observe; Fig. 6 is a kind of cutaway view of micro drive motor shown in Figure 4; Fig. 7 is a kind of explosive view of micro drive motor shown in Figure 4; A kind of explosive view of Fig. 8 when to be micro drive motor shown in Figure 4 from another angle observe.

Should use-case be a kind of micro drive motor that drives the minisize pick-up head lens subassembly that adopts above-described embodiment 1 to make, see that Fig. 1 to shown in Figure 5, comprises loam cake 1, Upper gasket 2, upper spring sheet 3, lens carrier 41, magnetite assembly 5, coil block 42, lower gasket 43, lower spring chip module 6, base 7 and insulating washer 8; The silk spring 33 that described upper spring sheet 3 comprises outer ring 31, inner ring 32 and is used for connecting outer ring 31 and inner ring 32; Described upper spring sheet 3 inner rings 32 are fixed on carrier top; Described coil block 42 is fixed on the carrier outer wall, and described magnetite assembly 5 is comprised of a plurality of magnetites 51, and each magnetite 51 is symmetricly set on the coil block outside, leaves the gap between adjacent two magnetites 51; Described lower spring chip module 6 comprises two each other lower shell fragments 61 of open circuit, each time shell fragment 61 comprise outside 611, inner edge 612, the silk spring 613 between outside 611 and inner edge 612 with outside 611 vertical link to each other connect electric pin 614, the inner edge 612 of each time shell fragment 61 is fixed on carrier base; Described base 7 comprises diapire 71 and the sidewall 72 that raises up and form, and described diapire 71 centers are provided with centre bore 73, and described base 7 is provided with wiring hole 74; Described lower gasket 43 is fixed on outer ring 31 crimping of two lower shell fragments 61 on the insulating washer 8, and then insulating washer 8 crimping is fixed on the diapire 71 of base 7; The electric pin 614 that connects of described each time shell fragment 61 exposes from described base 7 wiring holes 74; Described Upper gasket 2 comprises frame shape plate body 21 and the supporting bracket 22 of protruding and extending towards lower gasket 43 from plate body 21; Being connected on the lower gasket 43 of described supporting bracket 22; Described loam cake 1 comprises the cover plate 12 that is provided with loophole 11, and described cover plate 12 is crimped on the outer ring 31 of upper spring sheet 3 on the frame shape plate body 21 of Upper gasket 2.

In should use-case, described loam cake 1 also be provided with from cover plate 12 and protrudes the crimping boss 13 that form downwards, and described crimping boss 13 is crimped on the outer ring 31 of upper spring sheet 3 on the frame shape plate body 21 of Upper gasket 2.

In should use-case, described loam cake 1 preferably be fixedly connected with base 7 sidewalls 72 by laser welding or bonding mode.

Described loam cake 1 adopts permeability magnetic material to make, and described base adopts non-magnet material to make; Each magnetite 51 is near producing the magnetic circuit that passes coil block 42 between the one side of coil block 42 and the loam cake cover plate 12 in this kind structure; Coil block 42 can utilize this magnetic circuit and pass through the electric current generation power of self, drives self and moves with carrier 41.

(application examples 2)

Should use-case and application examples 1 basic identical, difference is: in addition, the loam cake 1 in should use-case adopts non-magnet material to make, and base 7 adopts permeability magnetic materials to make.Each magnetite 51 is near producing the magnetic circuit that passes coil block 42 between the one side of coil block 42 and the base bottom wall 71 in this kind structure; Coil block 42 can utilize this magnetic circuit and pass through the electric current generation power of self, drives self and moves with carrier 41.

(application examples 3)

Should use-case and application examples 1 basic identical, difference is: loam cake 1 and base 7 in should use-case all adopt permeability magnetic material to make.This structure can Effective Raise magnetite assembly magnetic field service efficiency, and can be in the process that coil block moves along with carrier, for coil block provides a more constant magnetic field, thereby Effective Raise Linear Driving effect.

Can find out to application examples 3 that from above-mentioned application examples 1 the utility model only need to can install and fix according to the order that gets on, get off when assembling one by one, its operation and operation are comparatively easy; In addition, Upper gasket is because exclusive special shape structure, can accurately control spacing between upper spring sheet outer ring and the lower shell fragment outside, thereby effectively guarantee the lucky offset carrier of elastic deformation of upper spring sheet and the generation of lower shell fragment and the gravity that lens produce, and then improve the Linear Driving effect.

Obviously, above-described embodiment of the present utility model only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that connotation of the present utility model extends out and still belong to protection range of the present utility model.

Claims

1. a housing that is used for micro drive motor comprises loam cake (1) and base (7); It is characterized in that: the sidewall (72) that described base (7) comprises diapire (71) and raises up and form, described diapire (71) center is provided with centre bore (73), and described base (7) is provided with wiring hole (74); Described loam cake (1) comprises the cover plate (12) that is provided with loophole (11) and the crimping boss (13) that protrudes formation from cover plate (12) downwards.

2. the housing for micro drive motor according to claim 1, it is characterized in that: described loam cake (1) is fixedly connected with base (7) sidewall (72) by laser welding or bonding mode.

3. the housing for micro drive motor according to claim 1 is characterized in that: described loam cake (1) adopts permeability magnetic material to make.

4. the housing for micro drive motor according to claim 1 is characterized in that: described base (7) adopts permeability magnetic material to make.