CN108321966A - A kind of novel lower cover structure of voice coil motor - Google Patents
A kind of novel lower cover structure of voice coil motor Download PDFInfo
- Publication number
- CN108321966A CN108321966A CN201810260816.6A CN201810260816A CN108321966A CN 108321966 A CN108321966 A CN 108321966A CN 201810260816 A CN201810260816 A CN 201810260816A CN 108321966 A CN108321966 A CN 108321966A
- Authority
- CN
- China
- Prior art keywords
- layer
- lower cover
- locating slot
- side plate
- yoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/035—DC motors; Unipolar motors
- H02K41/0352—Unipolar motors
- H02K41/0354—Lorentz force motors, e.g. voice coil motors
- H02K41/0356—Lorentz force motors, e.g. voice coil motors moving along a straight path
Abstract
A kind of novel lower cover structure of voice coil motor, lower cover are assemblied in the lower part of yoke, including flat lid, first through hole are offered in the middle part of flat lid, align and are arranged with the eyeglass of voice coil motor；The surrounding of lower cap upper surface is recessed, and forms rectangular ring locating slot, and yoke is inserted into the bottom of its four side plate in cyclic annular locating slot, and the cell wall of the cyclic annular locating slot of inside fitting of each side plate, each side plate are connect by viscose with the binding site of cyclic annular locating slot.Multiple terminals are equipped in lower cover, terminal includes integrally formed top and bottom；Upper end includes integrally formed first layer and the second layer, is both horizontally disposed with and in vertical direction clearance fit；The second layer is located at below first layer, and the second layer is connected in the top of lower end, and lower end is vertically arranged；The second through-hole is offered on the second layer, constituting the second layer has a cyclic structure.
Description
Technical field
The present invention relates to a kind of voice coil motors of miniature webcam, and in particular to a kind of novel lower cover knot of voice coil motor
Structure.The miniature webcam can be assembled applied in the low profile electronics product such as mobile phone, tablet computer, smartwatch.
Background technology
In existing camera voice coil motor（VCM）In design, structure generally includes a carrier, is positioned at the yoke of motor
In the shell of iron and lower cover composition.Upper and lower first through hole, the eyeglass for assembling camera are equipped in the carrier；Wherein, seat
The periphery of body is arranged with coil, and the coil is corresponded in the yoke of motor and is equipped with magnetite, is constituted when the coil is energized, carrier can
Because electromagnetic induction generates upper and lower directions displacement, to realize zoom, the focusing of camera；The top of the carrier or/and under
End surface there is also positioned shrapnel, for generating elasticity, ensure in coil no power, and carrier can restore to initial horizontal
State position.
Currently, in the design of existing voice coil motor, as shown in Figure 1, the form that yoke 1 and lower cover 2 are matched using loading and unloading,
In order to be attached and position with yoke 1, four weekly assemblies of lower cover 2 open up four clamp bar slots 3 respectively, four cards with 1 bottom of yoke
4 grafting of block is combined.The prior art the problem is that, the combination part of yoke 1 and lower cover 2 using external four side seal glue side
Formula is fixed, and the plastic cement area reserved on lower cover 2 is smaller, can both influence to draw glue when Client Enterprise carries out follow-up module group assembling in this way
Position size, and it is be easy to cause degumming, it is also easy to cause housing bottom excessive glue, makes dispensing out-of-flatness, to voice coil motor product
Appearance causes harmful effect.
In addition, being equipped with multiple PIN foot in the lower cover of voice coil motor, the upper end of each PIN foot is positioned at the upper surface of upper cover,
Lower end then passes through lower cover, is stretched out from the lower surface of lower cover.Currently, in the design of existing voice coil motor, the upper end of the PIN foot
Structure is relatively simple, is single layer sheet, and be easy to cause bending deformation at 90 degree " L " shape with the lower end；Meanwhile rear
When continuous Client Enterprise is welded voice coil motor and other product components, existing PIN foot is easy to happen terminal and jacks up phenomenon,
And cause performance bad.
Therefore, above-mentioned the shortcomings of the prior art how is solved, is become as the project of the invention to be researched and solved.
Invention content
The object of the present invention is to provide a kind of novel lower cover structures of voice coil motor.
In order to achieve the above objectives, the technical solution adopted by the present invention is：
A kind of novel lower cover structure of voice coil motor is assemblied in below the yoke of voice coil motor, includes the flat lid of a rectangle
Body offers a first through hole in the middle part of the flat lid, the eyeglass contraposition setting of the first through hole and voice coil motor；Its
In, the surrounding of the lower cap upper surface is recessed, and forms a rectangular ring locating slot, the yoke is with the bottom of its four side plate
It is inserted into the cyclic annular locating slot, and the inside of each side plate is bonded the cell wall of the cyclic annular locating slot, reaches the yoke
The assembly of iron and the lower cover；
Each side plate is connect by viscose with the binding site of the cyclic annular locating slot, reaches the yoke and the lower cover
Positioning；
Wherein, be equipped with multiple terminals in the flat lid, each terminal include integrated bending forming a upper end and
One lower end；
The upper end includes the first layer and the second layer of integrated bending forming, and the first layer is set with the equal level of the second layer
It sets, and the two clearance fit in the vertical direction；
The second layer is located at the lower section of the first layer, and the lower end is vertically arranged, and the second layer of the upper end is connected in institute
State the top of lower end；Also, one second through-hole is vertically offered on the second layer, constituting the second layer has a water
The cyclic structure of flat setting.
Related content in above-mentioned technical proposal is explained as follows：
1. in said program, the binding site includes the contact of the bottom and the slot bottom of the cyclic annular locating slot of each side plate
Place further includes the contact position of the inside and the cell wall of the cyclic annular locating slot of each side plate.
2. in said program, the ring-type locating slot is located at the outer most edge of the lower cap upper surface, and slot bottom is respectively positioned on same
Horizontal plane, and the cyclic annular locating slot only includes the cell wall of side inwardly.
3. in said program, by the way that the upper end is set as the first layer integrally bent and the second layer, and the two is vertical
Clearance fit on direction, is designed whereby, can promote the structural strength of terminal, terminal caused by when effectively avoiding terminal punching press
Upper and lower end angular distortion.
4. in said program, by the setting of second through-hole, a horizontal cyclic structure can be formed in the second layer.
It designs whereby, the area of terminal pad can be effectively increased, to increase embedded area when being combined with lower cover, and then effectively improve
Embedded firmness promotes the stability that terminal is combined with lower cover.
5. in said program, second through-hole is circular hole, the cyclic structure is circular ring structure.
6. in said program, the second layer of the upper end is with the lower end in 90 degree of settings.
The operation principle and advantage of the present invention is as follows：
Compared to existing technologies, of the invention：
One, the sealing mode of yoke and lower cover is changed to internal sealing, there is an advantage in that：1, module can effectively be increased
Viscose area when assembling increases module and pushes and pulls pull out force, increases Client Enterprise production yield, meets Client Enterprise push-and-pull pull out force need
It asks；2, the production procedure that can simplify voice coil motor, the direct dispensing before yoke, lower cover assembling do not have to carry out because of finished product sealing
It is secondary to turn over；3, the bad orders problems such as the bottom excessive glue of voice coil motor will not be caused in process of production；
Two, the structural strength of terminal had both been improved, terminal upper and lower end angle caused by when effectively avoiding terminal punching press becomes
Shape, and the area of terminal pad is increased, to increase embedded area when being combined with lower cover, and then effectively improve embedded secured
Degree promotes the stability that terminal is combined with lower cover.
Description of the drawings
Attached drawing 1 is the stereogram of the prior art（Bottom views）；
Attached drawing 2 is the stereogram of the embodiment of the present invention（Top visual angle）；
Attached drawing 3 is the stereogram of the embodiment of the present invention（Bottom views）；
Attached drawing 4 is the stereogram of lower cover of the embodiment of the present invention（Top visual angle）；
Attached drawing 5 is the bottom substance schematic diagram of the embodiment of the present invention；
Attached drawing 6 is the side view of terminal of the embodiment of the present invention；
Attached drawing 7 is the schematic top plan view of the terminal second layer of the embodiment of the present invention.
Attached drawing 8 is the vertical view of lower cover of the embodiment of the present invention；
Attached drawing 9 is the side view of lower cover of the embodiment of the present invention.
In the figures above：1. yoke；2. lower cover；3. card slot；4. fixture block；5. yoke；6. lower cover；7. rectangular-shaped top plate；8. side
Plate；9. middle through-hole；10. assembling chamber；11. carrier；12. flat lid；13. first through hole；14. cyclic annular locating slot；21.
Terminal；23. interior welds position；24. upper end；25. lower end；26. first layer；27. the second layer；28. circular hole；29. circular ring structure.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment：Shown in attached drawing 2 ~ 5, a kind of novel lower cover structure of voice coil motor, the voice coil motor includes 5 He of yoke
Lower cover 6；
The yoke 5 is made of a rectangular-shaped top plate 7 and four side plates 8；The middle part of the rectangular-shaped top plate 7 offers a middle through-hole
9, which is used to align the camera eyeglass in voice coil motor；Four side plates 8 are distinguished by the rectangular-shaped top plate 7
It integrally extends to down be bent to form along its four edges, constitutes and define to form lower part opening between rectangular-shaped top plate 7 and four side plates 8
Chamber 10 is assembled, the carrier 11 for assembling positioning voice coil motor；
The lower part that the lower cover 6 is assemblied in the yoke 5 is open, includes the flat lid 12 of a rectangle, the flat lid
12 middle part offers a first through hole 13, which is coaxially disposed with the middle through-hole 9；Wherein, the lower cover 6
The surrounding of upper surface is recessed, and forms a rectangular ring locating slot 14, and the yoke 5 is inserted into institute with the bottom of its four side plate 8
It states in cyclic annular locating slot 14, and the inside of each side plate 8 is bonded the cell wall of the cyclic annular locating slot 14, reaches the yoke
5 with the assembly of the lower cover 6；
Each side plate 8 is connect by viscose with the binding site of the cyclic annular locating slot 14, reach the yoke 5 with it is described
The positioning of lower cover 6.
Wherein, the cyclic annular locating slot 14 is located at the outer most edge of 6 upper surface of the lower cover, and slot bottom is respectively positioned on same level
Face, and the cyclic annular locating slot 14 only includes the cell wall of side inwardly.The binding site include each side plate 8 bottom with
The contact position of the slot bottom of the ring-type locating slot 14 further includes the slot of the inside and the cyclic annular locating slot 14 of each side plate 8
The contact position of wall.
As shown in Fig. 6 ~ 9, multiple terminals 21 are equipped in the flat lid 12 of the lower cover 6, each terminal 21 fills
In an interior welds position 23 assigned in the lower cover 6.
The terminal 21 includes a upper end 24 and a lower end 25 for integrated bending forming；Wherein,
The upper end 24 includes the first layer 26 and the second layer 27 of integrated bending forming, the first layer 26 and the second layer 27
It is horizontally disposed, and the two clearance fit in the vertical direction；It designs whereby, the structural strength of terminal 21 can be promoted, effectively
21 upper and lower end angular distortion of terminal caused by when avoiding 21 punching press of terminal.
The second layer 27 is located at the lower section of the first layer 26, and the lower end 25 is vertically arranged, and the of the upper end 24
The second layer 27 that the upper end 24 is constituted in the top of the lower end 25 is connected with for two layer 27 with the lower end 25 in 90 degree of settings.
Also, a circular hole 28 is vertically offered on the second layer 27, constituting the second layer 27 has a horizontally disposed circle
Ring structure 29.It designs whereby, the area of terminal pad can be effectively increased, to increase by 23 knot of interior welds position with lower cover 6
Embedded area when conjunction, and then embedded firmness is effectively improved, promote the stability that terminal 21 is combined with lower cover 6.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of novel lower cover structure of voice coil motor, it is characterised in that：
It is assemblied in below the yoke of voice coil motor, includes the flat lid of a rectangle, offered in the middle part of the flat lid
The eyeglass contraposition setting of one first through hole, the first through hole and voice coil motor；Wherein, the surrounding recess of the lower cap upper surface,
A rectangular ring locating slot is formed, the yoke is inserted into the bottom of its four side plate in the cyclic annular locating slot, and each
The inside of the side plate is bonded the cell wall of the cyclic annular locating slot, reaches the assembly of the yoke and the lower cover；
Each side plate is connect by viscose with the binding site of the cyclic annular locating slot, reaches the yoke and the lower cover
Positioning；
Wherein, be equipped with multiple terminals in the flat lid, each terminal include integrated bending forming a upper end and
One lower end；
The upper end includes the first layer and the second layer of integrated bending forming, and the first layer is set with the equal level of the second layer
It sets, and the two clearance fit in the vertical direction；
The second layer is located at the lower section of the first layer, and the lower end is vertically arranged, and the second layer of the upper end is connected in institute
State the top of lower end；Also, one second through-hole is vertically offered on the second layer, constituting the second layer has a water
The cyclic structure of flat setting.
2. lower cover structure according to claim 1, it is characterised in that：The binding site includes the bottom of each side plate
Further include the cell wall of the inside and the cyclic annular locating slot of each side plate with the contact position of the slot bottom of the cyclic annular locating slot
Contact position.
3. lower cover structure according to claim 1 or 2, it is characterised in that：The ring-type locating slot is located on the lower lid
The outer most edge on surface constitutes the cell wall that the ring-type locating slot only includes side inwardly.
4. lower cover structure according to claim 1, it is characterised in that：Second through-hole is circular hole, the cyclic structure
For circular ring structure.
5. lower cover structure according to claim 1, it is characterised in that：The second layer of the upper end is in 90 degree with the lower end
Setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810260816.6A CN108321966A (en) | 2018-03-27 | 2018-03-27 | A kind of novel lower cover structure of voice coil motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810260816.6A CN108321966A (en) | 2018-03-27 | 2018-03-27 | A kind of novel lower cover structure of voice coil motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108321966A true CN108321966A (en) | 2018-07-24 |
Family
ID=62900284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810260816.6A Withdrawn CN108321966A (en) | 2018-03-27 | 2018-03-27 | A kind of novel lower cover structure of voice coil motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108321966A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204123583U (en) * | 2014-09-04 | 2015-01-28 | 厦门新鸿洲精密科技有限公司 | Stamped metal part and moulding connecting shaping structure in voice coil motor |
| CN206283005U (en) * | 2016-11-29 | 2017-06-27 | 河南省皓泽电子有限公司 | The novel base terminal structure that a kind of miniature photograph autofocus motor base is used |
| CN107329350A (en) * | 2017-08-23 | 2017-11-07 | 上海比路电子股份有限公司 | A kind of camera gun drive device |
| CN208158275U (en) * | 2018-03-27 | 2018-11-27 | 苏州聚力电机有限公司 | A kind of novel lower cover structure of voice coil motor |
-
2018
- 2018-03-27 CN CN201810260816.6A patent/CN108321966A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204123583U (en) * | 2014-09-04 | 2015-01-28 | 厦门新鸿洲精密科技有限公司 | Stamped metal part and moulding connecting shaping structure in voice coil motor |
| CN206283005U (en) * | 2016-11-29 | 2017-06-27 | 河南省皓泽电子有限公司 | The novel base terminal structure that a kind of miniature photograph autofocus motor base is used |
| CN107329350A (en) * | 2017-08-23 | 2017-11-07 | 上海比路电子股份有限公司 | A kind of camera gun drive device |
| CN208158275U (en) * | 2018-03-27 | 2018-11-27 | 苏州聚力电机有限公司 | A kind of novel lower cover structure of voice coil motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180724 |