CN109932799A - Lens barrel and lens module comprising the lens barrel - Google Patents
Lens barrel and lens module comprising the lens barrel Download PDFInfo
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- CN109932799A CN109932799A CN201711346740.0A CN201711346740A CN109932799A CN 109932799 A CN109932799 A CN 109932799A CN 201711346740 A CN201711346740 A CN 201711346740A CN 109932799 A CN109932799 A CN 109932799A
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- China
- Prior art keywords
- lens barrel
- lens
- holding slot
- face
- accepting hole
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- 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.)
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Abstract
The present invention relates to field of mobile terminals, a kind of lens barrel, including first end face and second end face, and the accepting hole through the first end face and the second end face.The accepting hole.For accommodating camera lens.The first gap is formed between the inner wall of the accepting hole and the outer of the camera lens, holding slot is additionally provided in the first end face, the inner wall of accepting hole described in the open communication of the holding slot, the camera lens is Nian Jie with the lens barrel by the binder being filled in first gap and the holding slot, more binders are contained because of the setting of the holding slot, the contact area of the lens barrel Yu the binder is also increased, so that the bonding of the camera lens is stronger.The invention further relates to the lens modules comprising such lens barrel.
Description
Technical field
The present invention relates to field of mobile terminals more particularly to a kind of lens barrel and include the lens module of the lens barrel.
Background technique
Current field of mobile terminals, takes pictures and images and have become an indispensable Xiang Gongneng.Realize this function
Component usually become lens module, lens module contains camera lens, lens mount, motor and a series of sensing elements,
Wherein lens mount is fixed lens, the crucial carrier of auxiliary focusing.
Current camera lens mostly uses on straight barrel type or screw-type mounting means fixed mirror headstock, for the camera lens of straight barrel type,
Its corresponding lens mount is also required to the straight tube shape for being designed to match, and after completing assembly, in camera lens and is carried using binder
Body contacts coating at gap, fixes.But due to the concentricity requirement between camera lens and lens mount, tolerance range must be designed enough
It is narrow, thus bring the contact gap gross area too small, user's requirement is not achieved in the inadequate defect of bonding dynamics.Especially the later period passes through
The phenomenon that excess temperature is impacted, after the cyclic test of mechanical shock, and camera lens falls off from lens mount is especially common, leads to lens module
Yields substantially reduce.
Summary of the invention
The purpose of the present invention is to provide a kind of concentricities that can guarantee simultaneously between camera lens and lens mount, and can provide foot
The lens barrel of enough bonding forces, specifically includes following technical solution:
A kind of lens barrel, for installing camera lens, the lens barrel and the camera lens are clearance fit；The inner wall of the lens barrel opens up
There is holding slot, the camera lens is Nian Jie with the lens barrel by the bonding agent being filled in the holding slot.The holding slot is deposited
The volume that binder is accommodated in the lens barrel is being increased, therefore, the camera lens is bonding with the lens barrel even closer.
Wherein, the lens barrel includes first end face and second end face, and the lens barrel, which is equipped with, runs through the first end face and institute
The accepting hole of second end face is stated, the accepting hole is for accommodating the camera lens, and the holding slot is from the first end face to institute
Second end face extension is stated, the length of the holding slot is less than the length of the accepting hole.Run through in this way, avoiding the holding slot
After the second end face, the binder may be flowed into inside the lens barrel and be polluted.
Wherein, multiple spaced holding slots are set along the outer of the inner wall.In this way, multiple holding slots
The capacity of the binder can be further increased.
Wherein, it is equidistant between the adjacent holding slot of any two.The energy in this way, the equidistant holding slot is arranged
The bonding force more balanced is provided for the camera lens.
Wherein, on the length direction perpendicular to the accepting hole, the cross sectional shape of the holding slot at an arbitrary position is equal
It is identical.In this way, the section of same shape is easy to process, save the cost.
Wherein, maximum width of the opening width having a size of the holding slot that the holding slot intersects with the lens barrel inner wall
Size.In this way, can prevent the bonding agent from causing bubble when flowing into.
Wherein, on the length direction perpendicular to the accepting hole, the cross sectional shape of the holding slot is arc-shaped, sawtooth
Shape or waveform.In this way, different cross sectional shapes can be provided between the binder and the accepting hole inner wall it is bigger
Contact surface.
Wherein, the holding slot and the inner wall intersection are rounded corner.In this way, can be to prevent there is stress concentration.
Wherein, the accepting hole is greater than the shape face in the second end face in the shape area in the first end face
Product.In this way, the stepped setting of accepting hole, helps to accommodate more binders.
The invention further relates to a kind of lens module, including camera lens, the lens module further includes any one of the above lens barrel.
Lens module of the present invention, which is capable of providing, installs the more stable camera lens.
The lens barrel structure that the present invention designs, provides firstly the accepting hole for accommodating the camera lens, the accepting hole with
The form fit of the camera lens, to ensure that the concentricity between the camera lens and the accepting hole, it is ensured that image quality.So
Holding slot is set on the inner wall of the accepting hole afterwards, in the limited situation of entire area in first gap, with connection
The holding slot of the inner wall increases space, and first gap and the holding slot are accommodated jointly for being bonded the mirror
The binder of cylinder and the camera lens, increases the total amount of the binder, also increases the binder and the lens barrel
Contact area, which thereby enhance the adhesive strength between the lens barrel and the camera lens, camera lens installation is stronger.
Detailed description of the invention
Fig. 1 is the lens barrel schematic diagram of first embodiment of the invention；
Fig. 2 is the lens barrel front schematic view of first embodiment of the invention；
Fig. 3 is the lens barrel schematic diagram of second embodiment of the invention；
Fig. 4 is the lens barrel schematic diagram of third embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiments shall fall within the protection scope of the present invention.
Please refer to Fig. 1 and Fig. 2, the lens barrel 100 of first embodiment of the invention, for installing camera lens 200, the lens barrel 100
It is clearance fit between the camera lens 200, holding slot 20 is offered on the inner wall 11 of the lens barrel 100, the camera lens 200 is logical
The bonding agent 30 crossed in the gap being filled in the clearance fit and the holding slot 20 is Nian Jie with the lens barrel 100.
Another describing mode, please refers to Fig. 1 and Fig. 2, and lens barrel 100 of the present invention includes first end face 001 and second end face
002, the first end face 001 be equipped with perforation to the second end face 002 accepting hole 10, the shape of the accepting hole 10 with
The shape of the camera lens 200 cooperates, the two clearance fit, for fixed cylindrical camera lens 200.In the present embodiment, described
Camera lens 200 is cylinder.Relative to the second end face 002, the first end face 001 is closer to the front end of the camera lens 200.
The radius of the accepting hole 10 is not less than the cylindrical radius of the camera lens 200, thus in the inner wall 11 of the accepting hole 10
The first gap 01 is formed between the outer wall 210 of the camera lens 200.Holding slot 20 is additionally provided in the first end face 001, it is described
Holding slot 20 extends along the cylindrical axis 12 of the accepting hole 10 to the second end face 002, and the holding slot 20 is to open
Formula is not closed, and the inner wall 11 of accepting hole 10 described in the open communication of the holding slot 20, the inner space of the holding slot is formed
Hold chamber 02.It should be understood that being connected between the fixing chamber 02 and first gap 01.
When the camera lens 200 is packed into the lens barrel 100, Fig. 2, the cylindrical outer shape size of the camera lens 200 and institute are seen
Stating is clearance fit between the cylinder radius size of accepting hole 10, while in order to guarantee the camera lens 200 and the accepting hole
The tolerance of concentricity between 10, the clearance fit is smaller, in the outer wall 210 and the accepting hole 10 of the camera lens 200
The inner wall 11 between, form a small gap of circle, i.e., described first gap 01.Realize the camera lens 200 with it is described
Being fixedly connected between pedestal 100 needs the filling adhesive 30 in first gap 01, adheres the two together.Cause
With first gap 01 it is to be connected to setting for the fixing chamber 02, is also packed into the binder 30 in the fixing chamber 02.
Between the i.e. described camera lens 200 and the lens barrel 100, pass through the institute being filled between first gap 01 and the fixing chamber 02
It states binder 30 to bond together, to realize fixation.
Because of the introducing of the fixing chamber 02, so that the binder 30 between the camera lens 200 and the lens barrel 100
Total amount, by originally only have one circle minim gap first gap 01 volume, be expanded to first gap 01 and institute
The volume that fixing chamber 02 is gathered together is stated, to increase the total amount of the binder 30.Further, the holding slot adds
Enter, also increases the contact area of the lens barrel 100 and the binder 30, i.e., between the described camera lens 200 and the lens barrel 100
The binder 30 volume and contact area all increased, to enhance the camera lens 200 and the lens barrel
Bonding force between 100.It is aided with the receiving of the cylinder outer wall 210 of 11 pairs of gained camera lenses 200 of the inner wall again, ensure that
Concentricity between the camera lens 200 and the accepting hole 10.So that lens barrel 100 of the present invention, in the peace for guaranteeing the camera lens 200
While filling precision, the bonding force between the camera lens 200 is improved, installation is stronger reliable, and the use for meeting user is wanted
It asks.
In a kind of embodiment, the holding slot 20 is counterbore, i.e., the described holding slot 20 is along the direction of the axis 12 in length
It is less than the length of the accepting hole 10 on degree, that is to say, that the holding slot 20 is not extended through to the second end face 002, described
Retain the material of the certain thickness lens barrel 200 between the bottom of holding slot 20 and the second end face 002.It in this way can be to prevent
Only the binder 30 in the fixing chamber 02 passes through the second end face 002 when perfusion, penetrates into the lens barrel 100
The space of lower part, damages remaining component and pollutes.
Meanwhile in order to improve the craftsmanship of the holding slot 20, make it easy to process, in the side perpendicular to the axis 12
Upwards, the cross sectional shape of the holding slot 20 at an arbitrary position is all the same, i.e., the described holding slot 20 is straight trough, along the axis 12
Direction on the shape of the holding slot 20 remain unchanged.Such straight trough shape setting can also guarantee the fixing chamber 02
Volume is sufficiently large, can accommodate enough binders 30, also ensure that the inner wall area of the holding slot 20 is enough simultaneously
Greatly, wide as far as possible with the contact area of the binder 30, two aspect common guarantee bonding forces.
On the other hand, the binder 30 is in filling process, because the holding slot 20 is straight trough, the binder 30
The air in the fixing chamber 02 can be discharged into first gap along the inner wall vertical flow down of the holding slot 20
01, it avoids forming dead angle in the bottom of the fixing chamber 02, causes portion of air to can not be successfully discharge, form hollowing bubble
Hidden danger.
It should be understood that cross sectional shape area presents when the holding slot 20 is in the extending direction along the axis 12
When the situation subtracted, also it is possible to prevente effectively from the generation of bubble.For the holding slot 20 in the extending direction along the axis 12
The cross sectional shape for being arbitrarily suitable for processing can also be arranged according to process conditions, have no effect on the present invention program for the shape of upper section
Specific implementation.
A kind of embodiment, on perpendicular to 12 direction of axis, the cross sectional shape of the holding slot 20 be it is arc-shaped,
In position of the circular arc from the holding slot 20 far from the axis 12 to the direction of the axis 12 extend when, i.e., in the receipts
Hold being radially orientated on the direction in the center of circle for hole 10, the opening width of circular arc is increasing, in the aperture position of the holding slot 20
Arc-shaped width reaches maximum, and such shape setting can guarantee the binder 30 in the fixing chamber 02, with institute
The contact area for stating the binder 30 in the first gap 01 maximizes, i.e., the binder 30 in the described fixing chamber 02 is equal
It is more fully contacted with the binder 30 in the fixing chamber 02, without there is the intervention of some materials of the lens barrel 100
The link position of two cavitys, to form better bonding force.
Further, on perpendicular to 12 direction of axis, the cross sectional shape of the holding slot 20 be may be arranged as
Zigzag or waveform (see Fig. 3, Fig. 4).Such shape setting can further increase the inner wall area of the holding slot 20,
The volume for increasing the fixing chamber 02 simultaneously, forms better bonding force.Correspondingly, setting can also be by the holding slot in this way
20 opening width is set as the holding slot 20 in the maximum width radially of the accepting hole 10.
A kind of embodiment to the corner angle of the holding slot 20 and 11 intersection of inner wall needs that rounded corner is arranged.Because
After the binder 30 is poured between the camera lens 200 and the lens barrel 100, it is cooled into solid, but the binder 30
Self-strength it is not high, therefore be easy to cause stress to concentrate at the solid deformation being excessively sharp, in subsequent temperature shock, machinery
In impact cycle test, or during use, it be easy to cause the fatigue crack of the binder 30 or even the institute of solid
State the adverse effects such as the disconnection of binder 30.It, can be using to the holding slot 20 and the inner wall 11 in order to eliminate this hidden danger
The method of the corner angle rounded corner of intersection removes the sharp chamfering in the binder 30, eliminates stress and concentrates.
It should be understood that when the section of the holding slot 20 is arranged using zigzag, for multiple sharp in zigzag
The seamed edge that angle turning is formed, also can be set round-corner transition, principle is same as above.
It should be understood that the cross sectional shape of the holding slot 20 is not limited only to the description in above-described embodiment, can arbitrarily add
The shape of work can apply in the present invention program enhance the bonding force between the camera lens 200 and the lens barrel 100.
It, can also be along the circumference of the inner wall 11 in order to reinforce the bonding force between the camera lens 200 and the lens barrel 100
Multiple holding slots 20 are set on direction, form multiple fixing chambers 02, the shape on the outer wall 210 of the camera lens 200
At the reinforcement of multidirectional bonding force, in the volume for increasing the binder 30, and increase the binder 30 and the lens barrel
While 100 contact area, also corresponding impact force of the buffering from different-diameter direction forms the camera lens 200 and protects.
It should be understood that the spacing distance between the holding slot 20 can be any distance, it also can choose and lay
It sets.When the holding slot 20 is distributed on the circumference of the inner wall 11, the stress of the camera lens 200 is more balanced, facilitates pair
The holding of the concentricity of the camera lens 200 and the accepting hole 10.For another description uniformly distributed on circumference, i.e. any two
The distance between the adjacent holding slot 20 is identical.
A kind of embodiment, shape area of the accepting hole 10 in the first end face 001 are greater than in second face
The section of certain gradient or the accepting hole 10 along its length is arranged in shape area on 002, i.e., the described accepting hole 10
For step surface, one side shape area size close to first face 001 is bigger, for accommodating more binders 30,
One side shape area size close to second face 002 is smaller, for positioning the camera lens 200.Such setting is on the one hand
It convenient for the draft of the lens barrel 100, on the other hand can also increase the total amount of the binder 30, while guarantee concentricity.
The invention further relates to a kind of lens modules, are cylindrical camera lens 200 and above-mentioned lens barrel 100 including shape.
Lens module of the invention has been provided simultaneously with higher installation essence because of the clearance fit of the camera lens 200 and the lens barrel 100
Degree and installation strength, so that lens module has taken into account imaging effect and structural reliability.Use the movement of lens module of the present invention
Terminal thereby also reduces failure rate, obtains better user experience.
Lens barrel 100 of the present invention, by increasing the fixing chamber 02, improving it on the basis of the first gap 01
Preceding as fill the binder 30 in narrow first gap 01 in gap and caused by the camera lens 200 and the lens barrel
100 not firm enough the defects of connection.Wherein, the fixing chamber 02 not only increases the lens barrel 100 for the binder 30
Receiving volume, also add the contact area of the lens barrel 100 with the binder 30, first gap 01 with it is described solid
The connection of chamber 02 is held, so that the increased binder 30 links together, cementability is more preferable.For opening for the holding slot 20
The design of mouth width degree, depth, cross sectional shape and corner angle rounding is all that the refinement holding slot 20 advanced optimizes design, into
One step improves cementability.Multiple holding slots 20 are distributed on the circumference of the accepting hole 10, for consolidating for the camera lens 200
It holds and buffering effect all improves.Using the lens module of this lens barrel 100, in installation accuracy and structural reliability all
There is further guarantee, and use the mobile terminal of lens module of the present invention, has also harvested more preferably user experience.
Embodiments described above does not constitute the restriction to the technical solution protection scope.It is any in above-mentioned implementation
Made modifications, equivalent substitutions and improvements etc., should be included in the protection model of the technical solution within the spirit and principle of mode
Within enclosing.
Claims (10)
1. a kind of lens barrel, for installing camera lens, it is characterised in that:
The lens barrel and the camera lens are clearance fit；
The inner wall of the lens barrel offers holding slot, and the camera lens passes through the bonding agent and the mirror that are filled in the holding slot
Cylinder bonding.
2. lens barrel as described in claim 1, which is characterized in that the lens barrel includes first end face and second end face, the lens barrel
Equipped with the accepting hole for running through the first end face and the second end face, the accepting hole is described solid for accommodating the camera lens
It holds slot to extend from the first end face to the second end face, the length of the holding slot is less than the length of the accepting hole.
3. lens barrel as claimed in claim 2, which is characterized in that set along the outer of the accepting hole inner wall multiple spaced
The holding slot.
4. lens barrel as claimed in claim 3, which is characterized in that be equidistant between the adjacent holding slot of any two.
5. lens barrel as claimed in claim 3, which is characterized in that on the length direction perpendicular to the accepting hole, the fixing
The cross sectional shape of slot at an arbitrary position is all the same.
6. lens barrel as claimed in claim 3, which is characterized in that the opening width ruler that the holding slot intersects with the lens barrel inner wall
The very little greatest width dimension for the holding slot.
7. lens barrel as claimed in claim 5, which is characterized in that on the length direction perpendicular to the accepting hole, the fixing
The cross sectional shape of slot is arc-shaped, zigzag or waveform.
8. lens barrel as claimed in claim 7, which is characterized in that the inner wall intersection of the holding slot and the accepting hole is rounding
Angle.
9. lens barrel as claimed in claim 8, which is characterized in that shape area of the accepting hole in the first end face is greater than
Shape area in the second end face.
10. a kind of lens module, including camera lens, which is characterized in that the camera module further includes as in claim 1~9
Any one described lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346740.0A CN109932799A (en) | 2017-12-15 | 2017-12-15 | Lens barrel and lens module comprising the lens barrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711346740.0A CN109932799A (en) | 2017-12-15 | 2017-12-15 | Lens barrel and lens module comprising the lens barrel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109932799A true CN109932799A (en) | 2019-06-25 |
Family
ID=66979485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711346740.0A Withdrawn CN109932799A (en) | 2017-12-15 | 2017-12-15 | Lens barrel and lens module comprising the lens barrel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109932799A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0935312A (en) * | 1995-07-11 | 1997-02-07 | Matsushita Electric Ind Co Ltd | Objective lens mounting structure for optical pickup |
| JP2004191763A (en) * | 2002-12-12 | 2004-07-08 | Hitachi Maxell Ltd | Optical device |
| CN1831969A (en) * | 2004-12-21 | 2006-09-13 | Lg电子有限公司 | Optical pickup actuator |
| JP2008090290A (en) * | 2006-09-06 | 2008-04-17 | Sharp Corp | Lens barrel and camera |
| CN201548737U (en) * | 2009-10-23 | 2010-08-11 | 比亚迪股份有限公司 | lens module |
| CN207908773U (en) * | 2017-12-15 | 2018-09-25 | 南昌欧菲光电技术有限公司 | Lens barrel and camera lens module comprising the lens barrel |
-
2017
- 2017-12-15 CN CN201711346740.0A patent/CN109932799A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0935312A (en) * | 1995-07-11 | 1997-02-07 | Matsushita Electric Ind Co Ltd | Objective lens mounting structure for optical pickup |
| JP2004191763A (en) * | 2002-12-12 | 2004-07-08 | Hitachi Maxell Ltd | Optical device |
| CN1831969A (en) * | 2004-12-21 | 2006-09-13 | Lg电子有限公司 | Optical pickup actuator |
| JP2008090290A (en) * | 2006-09-06 | 2008-04-17 | Sharp Corp | Lens barrel and camera |
| CN201548737U (en) * | 2009-10-23 | 2010-08-11 | 比亚迪股份有限公司 | lens module |
| CN207908773U (en) * | 2017-12-15 | 2018-09-25 | 南昌欧菲光电技术有限公司 | Lens barrel and camera lens module comprising the lens barrel |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190625 |