CN108377088A - A kind of novel voice coil motor shell - Google Patents
A kind of novel voice coil motor shell Download PDFInfo
- Publication number
- CN108377088A CN108377088A CN201810257888.5A CN201810257888A CN108377088A CN 108377088 A CN108377088 A CN 108377088A CN 201810257888 A CN201810257888 A CN 201810257888A CN 108377088 A CN108377088 A CN 108377088A
- Authority
- CN
- China
- Prior art keywords
- rectangular
- top plate
- shaped top
- yoke
- hole
- 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.)
- Pending
Links
Classifications
-
- 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
-
- 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
Abstract
A kind of novel voice coil motor shell, including yoke and lower cover；Yoke is made of rectangular-shaped top plate and four side plates；Rectangular top plate portion offers first through hole, and four side plates are integrally extended to down be bent to form along its four edges respectively by rectangular-shaped top plate；The middle part of rectangular-shaped top plate is also provided with multiple folding portions, and each folding portion corresponds to first through hole by rectangular-shaped top plate and integrally extends to down be bent to form, and each folding portion is uniformly distributed around the center of circle of first through hole；The lower part that lower cover is assemblied in yoke is open, including flat lid, offers the second through-hole in the middle part of flat lid, is coaxially disposed with first through hole；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.
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 voice coil motor shell.It is described
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 lower through-hole, the eyeglass for assembling camera are equipped in the carrier；Wherein, pedestal
Periphery is arranged with coil, and the coil is corresponded in the yoke of motor and is equipped with magnetite, constitutes when the coil is energized, carrier can be because of
Electromagnetic induction generates upper and lower directions displacement, to realize zoom, the focusing of camera；The top of the carrier or/and lower end
Face there is also positioned shrapnel, for generating elasticity, ensure in coil no power, carrier can restore to initial horizontality position
It sets.
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, flourishing with markets such as smart mobile phones, client pair increasing for the demand of voice coil motor
The characteristic requirements of voice coil motor are also higher and higher, and existing voice coil motor is to meet the lightening development trend of product, structure
It is difficult to do greatly, therefore improves motor characteristics under the premise of not increasing product size, increase motor magnetic field force, be always to seek in the industry
The problem of seeking to achieve breakthrough.
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 voice coil motor shells.
In order to achieve the above objectives, the technical solution adopted by the present invention is：
A kind of novel voice coil motor shell, including yoke and lower cover；
The yoke is made of a rectangular-shaped top plate and four side plates；A first through hole is offered in the middle part of the rectangular-shaped top plate, it should
First through hole is used to align the camera eyeglass in voice coil motor；Four side plates are by the rectangular-shaped top plate respectively along its four
Side integrally extends to down be bent to form, and constitutes and defines the assembly chamber to form lower part opening between rectangular-shaped top plate and four side plates,
Carrier for assembling positioning voice coil motor；
The middle part of the rectangular-shaped top plate is also provided with multiple folding portions, and each folding portion is by described in rectangular-shaped top plate correspondence
First through hole integrally extends to down be bent to form, and each folding portion is uniformly distributed around the center of circle of the through-hole；
The lower part that the lower cover is assemblied in the yoke is open, includes the flat lid of a rectangle, in the flat lid
Portion offers one second through-hole, which is coaxially disposed with the first through hole；Wherein, the surrounding of the lower cap upper surface
Recess forms a rectangular ring locating slot, and the yoke is inserted into the bottom of its four side plate in the cyclic annular locating slot, and
And the inside of each 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.
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, ring-type positioning is constituted
Slot only includes the cell wall of side inwardly.
3. in said program, by increasing multiple folding portions in yoke（Interior yoke）, can effectively increase magnetic field force, carry
The characteristic of high voice coil motor.
4. in said program, there are four the folding portions, be mutually arranged in 90 degree, and with four angles one of the hood-like main body
One corresponds to.
5. in said program, four angles of the rectangular-shaped top plate are constituted on four angles of rectangular-shaped top plate to lower recess
It is formed with a surface of subsidence.It designs whereby, support can be played the role of to the upper shrapnel of voice coil motor, eliminate existing voice coil horse
It is specially used to support the holder of shrapnel in reaching, material cost can be reduced, can also reduce process, improves the whole assembly of product
Precision, and then promote yields.
6. in said program, being additionally provided with multiple recessing grooves around the first through hole in the rectangular-shaped top plate, and each described
Recessing groove corresponds to the both sides setting of the folding portion；Dispensing behaviour when upper shrapnel for voice coil motor of stepping down is connect with carrier
Make.
The operation principle and advantage of the present invention is as follows：
Compared to existing technologies, of the invention：
One, sealing mode is changed to internal sealing, there is an advantage in that：Viscose face when 1, can effectively increase module group assembling
Product increases module and pushes and pulls pull out force, increases Client Enterprise production yield, meets Client Enterprise push-and-pull pull out force demand；2, can simplify
The production procedure of voice coil motor, the direct dispensing before yoke, lower cover assembling, without carrying out secondary turn over because of finished product sealing；3, exist
The bad orders problems such as the bottom excessive glue of voice coil motor will not be caused in production process.
Two, under the premise of not increasing yoke size, by adding multiple folding portions at first through hole, can effectively increase
The magnetic field force of big voice coil motor, improves the characteristic of voice coil motor.
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 schematic top plan view of yoke of the embodiment of the present invention；
Attached drawing 7 is the stereogram of yoke 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. first through hole；10. assembling chamber；11. carrier；12. flat lid；13. the second through-hole；14. cyclic annular locating slot；16.
Folding portion；17. surface of subsidence；18. recessing groove.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and embodiments：
Embodiment：Shown in attached drawing 2 ~ 7, a kind of novel voice coil motor shell, including yoke 5 and 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 first 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；
Wherein, the middle part of the rectangular-shaped top plate 7 is also provided with multiple folding portions 16, and each folding portion 16 is by the rectangular top
Plate 7 corresponds to the first through hole 9 and integrally extends to down be bent to form, and each folding portion 16 is equal around the center of circle of the first through hole 9
Even distribution.By increasing multiple folding portions 16 in yoke 5（Interior yoke）, can effectively increase magnetic field force, improve voice coil motor
Characteristic.
Wherein, there are four the folding portions 16, mutually in 90 degree of settings, and it is a pair of with four angles of the rectangular-shaped top plate 7 one
It answers.
To lower recess, four angles for constituting rectangular-shaped top plate 7 have been respectively formed on a sinking at four angles of the rectangular-shaped top plate 7
Face 17.It designs whereby, support can be played the role of to the upper shrapnel of voice coil motor, eliminate and specially used in existing voice coil motor
In the holder of the upper shrapnel of support, material cost can be reduced, process can be also reduced, improves the whole assembly precision of product, in turn
Promote yields.
Wherein, multiple recessing grooves 18, and each resigning are additionally provided with around the first through hole 9 in the rectangular-shaped top plate 7
Slot 18 corresponds to the both sides setting of the folding portion 16, dispensing behaviour when the upper shrapnel for voice coil motor of stepping down is connect with carrier
Make.
The lower part that the lower cover 6 is assemblied in the yoke 5 is open, includes the flat lid 12 of a rectangle, this is flat
The middle part of lid 12 offers one second through-hole 13, which is coaxially disposed with the first through hole 9；Wherein, described
The surrounding of 6 upper surface of lower cover is recessed, and forms a rectangular ring locating slot 14, and the yoke 5 is inserted with the bottom of its four side plate 8
Enter in the 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 described
The assembly of yoke 5 and 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 positioning of the yoke 5 and the 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, constitutes the ring-type locating slot 14 only
Include the cell wall of side inwardly.The binding site includes the slot bottom of the bottom and the cyclic annular locating slot 14 of each side plate 8
Contact position, further include the contact position of the inside and the cell wall of the cyclic annular locating slot 14 of each side plate 8.
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 (6)
1. a kind of novel voice coil motor shell, it is characterised in that：
Including yoke and lower cover；
The yoke is made of a rectangular-shaped top plate and four side plates；A first through hole is offered in the middle part of the rectangular-shaped top plate, it should
First through hole is used to align the camera eyeglass in voice coil motor；Four side plates are by the rectangular-shaped top plate respectively along its four
Side integrally extends to down be bent to form, and constitutes and defines the assembly chamber to form lower part opening between rectangular-shaped top plate and four side plates,
Carrier for assembling positioning voice coil motor；
The middle part of the rectangular-shaped top plate is also provided with multiple folding portions, and each folding portion is by described in rectangular-shaped top plate correspondence
First through hole integrally extends to down be bent to form, and each folding portion is uniformly distributed around the center of circle of the through-hole；
The lower part that the lower cover is assemblied in the yoke is open, includes the flat lid of a rectangle, in the flat lid
Portion offers one second through-hole, which is coaxially disposed with the first through hole；Wherein, the surrounding of the lower cap upper surface
Recess forms a rectangular ring locating slot, and the yoke is inserted into the bottom of its four side plate in the cyclic annular locating slot, and
And the inside of each 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.
2. shell according to claim 1, it is characterised in that：The binding site includes bottom and the institute of each side plate
The contact position for stating the slot bottom of cyclic annular locating slot further includes the contact of the inside and the cell wall of the cyclic annular locating slot of each side plate
Place.
3. shell according to claim 1 or 2, it is characterised in that：The ring-type locating slot is located at the lower cap upper surface
Outer most edge, constitute the ring-type locating slot only and include the cell wall of side inwardly.
4. shell according to claim 1, it is characterised in that：There are four the folding portions, mutually in 90 degree be arranged, and with institute
Four angles for stating hood-like main body correspond.
5. shell according to claim 1, it is characterised in that：Four angles of the rectangular-shaped top plate to lower recess, are constituted
Four angles of rectangular-shaped top plate have been respectively formed on a surface of subsidence.
6. shell according to claim 1, it is characterised in that：It is additionally provided with around the first through hole in the rectangular-shaped top plate
Multiple recessing grooves, and each recessing groove corresponds to the both sides setting of the folding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257888.5A CN108377088A (en) | 2018-03-27 | 2018-03-27 | A kind of novel voice coil motor shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810257888.5A CN108377088A (en) | 2018-03-27 | 2018-03-27 | A kind of novel voice coil motor shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108377088A true CN108377088A (en) | 2018-08-07 |
Family
ID=63019340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810257888.5A Pending CN108377088A (en) | 2018-03-27 | 2018-03-27 | A kind of novel voice coil motor shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108377088A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916552A (en) * | 2011-08-03 | 2013-02-06 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN208158406U (en) * | 2018-03-27 | 2018-11-27 | 苏州聚力电机有限公司 | A kind of novel voice coil motor shell |
-
2018
- 2018-03-27 CN CN201810257888.5A patent/CN108377088A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916552A (en) * | 2011-08-03 | 2013-02-06 | 鸿富锦精密工业（深圳）有限公司 | Voice coil motor |
| CN208158406U (en) * | 2018-03-27 | 2018-11-27 | 苏州聚力电机有限公司 | A kind of novel voice coil motor shell |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180807 |