CN209387984U - A kind of lens module - Google Patents
A kind of lens module Download PDFInfo
- Publication number
- CN209387984U CN209387984U CN201822278947.5U CN201822278947U CN209387984U CN 209387984 U CN209387984 U CN 209387984U CN 201822278947 U CN201822278947 U CN 201822278947U CN 209387984 U CN209387984 U CN 209387984U
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- China
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- lens barrel
- eyeglass
- threaded portion
- fixing piece
- lens
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Abstract
The utility model relates to image device production technical field, in particular to a kind of lens module.Lens module includes: lens barrel, lens barrel object side and the first eyeglass with optical axis are set, the first eyeglass is pressed into the first fixing piece on lens barrel from the object side of the first eyeglass, sealing element between lens barrel and the first eyeglass, the seal washer of lens barrel image side is set, seal washer is pressed the second fixing piece on lens barrel by side of the self-sealing washer far from lens barrel, the first vertical wall that first fixing piece is set to the first level wall with light hole and extends from the bending of first level wall, second fixing piece includes second horizontal wall vertical with optical axis and rolls over the second vertical wall extended from the second horizontal wall to object lateral bending, second horizontal wall includes the second horizontal plane of the hollow and annular close to object side, second horizontal plane is equipped with concaveconvex structure, second horizontal plane presses on seal washer.Lens module high reliablity provided by the utility model, good seal performance.
Description
Technical field
The utility model relates to image device production technology, in particular to a kind of lens module.
Background technique
With the continuous development of science and technology, various kinds of equipment is provided with lens module, as driving safety existing for automobile
Hidden danger, the on-vehicle lens being equipped on a vehicle.On-vehicle lens in the prior art generally include more in lens barrel and lens barrel
A eyeglass.
Inventor discovery at least there are the following problems in the prior art: on-vehicle lens in use, will receive vibration,
The external forces such as friction, collision, cause reliability not high, can not adapt to severe use environment；And the leakproofness of on-vehicle lens
Can be bad, extraneous impurity and aqueous vapor is easily accessible in lens barrel.
Utility model content
The purpose of this utility model is to provide a kind of lens module, its reliability is high, good seal performance.
In order to solve the above technical problems, the embodiments of the present invention provides a kind of lens module, comprising: lens barrel,
Lens barrel object side is set and there is the first eyeglass of optical axis, press first eyeglass from the object side of first eyeglass
In the first fixing piece on the lens barrel, the sealing element between the lens barrel and first eyeglass, it is arranged in the mirror
The seal washer of cylinder image side, the side from the seal washer far from the lens barrel press the seal washer in the lens barrel
On the second fixing piece, first fixing piece include have light hole first level wall and from the first level wall bend
The first vertical wall extended, second fixing piece include second horizontal wall vertical with optical axis and from second horizontal wall to
The second vertical wall that object lateral bending folding extends, second horizontal wall include the second horizontal plane of the hollow and annular close to object side, institute
The second horizontal plane is stated equipped with concaveconvex structure, the second horizontal plane pressure holding is on the seal washer.
The embodiments of the present invention in terms of existing technologies, using the first fixing piece presses the first eyeglass
On lens barrel, to realize the fixation between the first eyeglass and lens barrel；It is provided with sealing element between first eyeglass and lens barrel, on the one hand protects
It has demonstrate,proved the first eyeglass to combine closely with lens barrel, the first eyeglass is avoided to loosen, improved the reliability of lens module, another party
Face makes to seal via sealing element in the light incidence end of lens module between lens barrel and the first eyeglass, improves lens module
Sealing performance；In addition, lens module further includes one of the seal washer that lens barrel image side is arranged in, self-sealing washer far from lens barrel
Seal washer is pressed the second fixing piece on lens barrel by side, to realize the fixation between seal washer and lens barrel；Second is fixed
Second horizontal plane of the second horizontal wall of part is equipped with concaveconvex structure, and the second horizontal plane presses the Ci Zhongjie on seal washer
The setting of structure by way of increasing seal washer and lens barrel contact area, increase introduced contaminants (such as liquid water, vapor,
Dust etc.) path in lens barrel entered by the abutted position of lens barrel and seal washer, so that extraneous impurity is not easy to enter
In lens barrel, to further improve the sealing performance of lens module.
In addition, second horizontal plane is equipped with annular projection portion.
In addition, second horizontal plane is equipped with annular recess portion.
In addition, the number of the lug boss is multiple, and it is coaxially disposed at equal intervals.It can be increased by the way that multiple lug bosses are arranged
Contact area between big second horizontal plane and seal washer further increases introduced contaminants and enters the path in lens barrel, avoids
Introduced contaminants are entered inside lens barrel by the junction of the second horizontal plane and seal washer, to further improve lens module
Sealing performance.
In addition, the number of the recessed portion is multiple, and it is coaxially disposed at equal intervals.
In addition, the lens barrel includes the first surface close to object side, the first surface is equipped with from the first surface
Interior lateral image side direction recess stage portion, the sealing element is arranged in the stage portion, and the stage portion includes and optical axis
Parallel vertical plane and the horizontal plane vertical with the vertical plane, the vertical plane are abutted with the outside of first eyeglass, institute
Sealing element is stated to be clamped between first eyeglass and the horizontal plane.
In addition, the lens module further includes that the second eyeglass and filter being housed in the lens barrel and adjacent to image side is arranged in
Mating plate, the filter holder are set between second eyeglass and the seal washer.
In addition, first fixing piece is equipped with the first threaded portion, the lens barrel is equipped with and first threaded portion phase
The second threaded portion mutually cooperated, first fixing piece via first threaded portion and second threaded portion mutual cooperation
It is fixed on the lens barrel.
In addition, first threaded portion is filled with sealant between the end and the lens barrel of image side.By such
Mode effectively prevents the inside that impurity enters lens barrel from the junction of the first threaded portion and the second threaded portion, further increases
The sealing performance of lens barrel mould group.
In addition, second fixing piece is equipped with third threaded portion, the lens barrel is equipped with and third threaded portion phase
The 4th threaded portion mutually cooperated, second fixing piece via the third threaded portion and the 4th threaded portion mutual cooperation
It is fixed on the lens barrel, the third threaded portion is filled with sealant between the end and the lens barrel of image side.Pass through
Such mode effectively prevents the inside that impurity enters lens barrel from the junction of third threaded portion and the 4th threaded portion, further
Improve the sealing performance of lens barrel mould group.
Detailed description of the invention
Fig. 1 is the cross-sectional view for the lens module that the utility model first embodiment provides；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the cross-sectional view for the lens module with another structure that the utility model first embodiment provides；
Fig. 4 is the partial enlarged view in Fig. 3 at B；
Fig. 5 is the cross-sectional view for the lens module with another structure that the utility model first embodiment provides；
Fig. 6 is the partial enlarged view in Fig. 5 at C；
Fig. 7 is the cross-sectional view for the lens module that the utility model second embodiment provides；
Fig. 8 is the partial enlarged view in Fig. 7 at D；
Fig. 9 is the cross-sectional view for the lens module with another structure that the utility model second embodiment provides；
Figure 10 is the partial enlarged view in Fig. 9 at E.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model
In embodiment, many technical details are proposed in order to make reader more fully understand the utility model.But even if without this
A little technical details and various changes and modifications based on the following respective embodiments, also may be implemented each claim of the utility model
Technical solution claimed.
The first embodiment of the utility model is related to a kind of lens module 100, as shown in Figures 1 and 2, comprising:
Lens barrel 1,1 object side of lens barrel and the first eyeglass 2 with optical axis OO` are set, from the object side of the first eyeglass 2 by first
The pressure holding of eyeglass 2 is in the first fixing piece 3 on lens barrel 1, the sealing element 4 between lens barrel 1 and the first eyeglass 2, setting in lens barrel 1
Seal washer 5 is pressed second on lens barrel 1 and fixed by the seal washer 5 of image side, side of the self-sealing washer 5 far from lens barrel 1
Part 6, the first fixing piece 3 include having the first level wall 31 of light hole 30 and erecting from the first of the bending extension of first level wall 31
Straight wall 32, the second fixing piece 6 include that second horizontal wall 61 vertical with optical axis OO` and rolling over from the second horizontal wall 61 to object lateral bending is prolonged
The second vertical wall 62 stretched, the second horizontal wall 61 include the second horizontal plane 610 of the hollow and annular close to object side, the second horizontal plane
610 are equipped with annular projection portion 60, and the second horizontal plane 610 presses on seal washer 5.
The embodiments of the present invention in terms of existing technologies, using the first fixing piece 3 presses the first eyeglass 2
On lens barrel 1, to realize the fixation between the first eyeglass 2 and lens barrel 1；It is provided with sealing element 4 between first eyeglass 2 and lens barrel 1,
On the one hand it ensure that the first eyeglass 2 is combined closely with lens barrel 1, avoid the first eyeglass 2 from loosening, improve lens module 100
Reliability, on the other hand making between lens barrel 1 and the first eyeglass 2 can be incident in the light of lens module 100 via sealing element 4
End sealing, improves the sealing performance of lens module 100；In addition, lens module 100 further includes 1 image side of lens barrel is arranged in close
Seal washer 5 is pressed the second fixing piece 6 on lens barrel 1 by seal washer 5, side of the self-sealing washer 5 far from lens barrel 1, with reality
Fixation between existing seal washer 5 and lens barrel 1；Second horizontal plane 610 of the second horizontal wall 61 of the second fixing piece 6 is equipped with recessed
Male structure, and the pressure holding of the second horizontal plane 610, on seal washer 5, the setting of such structure is by increasing seal washer 5 and lens barrel
The mode of 1 contact area increases introduced contaminants (such as liquid water, vapor, dust) and passes through lens barrel 1 and seal washer 5
Abutted position enters the path in lens barrel 1, so that extraneous impurity is not easy to enter in lens barrel 1, to further improve mirror
The sealing performance of head mould group 100.
The realization details of present embodiment is specifically described below, the following contents is only for convenience of the realization for understanding offer
Details, rather than implement the necessary of this programme.
In present embodiment, as shown in Figures 3 and 4, the number of lug boss 60 be it is multiple, multiple lug bosses 60 are same at equal intervals
Axis setting.The contact area between the second horizontal plane 610 and seal washer 5 can be increased by the way that multiple lug bosses 60 are arranged, into
One step avoids introduced contaminants from entering inside lens barrel 1 by the junction of the second horizontal plane 610 and seal washer 5, thus further
Improve the sealing performance of lens module 100.It is noted that the top in present embodiment protrusions portion 60 is cambered surface, such as
This setting can increase contact area between each lug boss 60 and seal washer 5, thus increase the second horizontal plane 610 with it is close
The contact area of seal washer 5, and then further avoid the junction that introduced contaminants pass through seal washer 5 and the second horizontal plane 610
Into inside lens barrel 1.
Specifically, lens module 100 further includes the second eyeglass 7 and optical filter being housed in lens barrel 1 and adjacent to image side
8, optical filter 8 is located between the second eyeglass 7 and seal washer 5.Optical filter is the optics device for choosing required radiation wave band
Part.
It should be noted that as shown in Figures 5 and 6, optical filter can also be not provided in lens module 100.
It is understood that the first fixing piece 3 is equipped with the first threaded portion 33, lens barrel 1 is equipped with and the first threaded portion 33
Mutually matched second threaded portion 11, the first fixing piece 3 are solid via the mutual cooperation of the first threaded portion 33 and the second threaded portion 11
It is scheduled on lens barrel 1.In the present embodiment, the first fixing piece 3 is placed in the object side of lens barrel 1 when installation, makes lens barrel 1 close to object side
One end screw in the first fixing piece 3, the close connection of the first fixing piece 3 with lens barrel 1 can be realized, prevent pressure holding in 1 He of lens barrel
The first eyeglass 2 between first fixing piece 3 is detached from lens barrel 1, guarantees the first eyeglass 2, the first fixing piece 3, the fixation between lens barrel 1
Structure is more firm, to improve the reliability of lens module 100.
Specifically, lens barrel 1 includes the first surface 10 close to object side, and first surface 10 is equipped with from first surface 10
The stage portion 12 of interior lateral image side direction recess, sealing element 4 are arranged in stage portion 12, and stage portion 12 includes parallel with optical axis OO`
Vertical plane 120 and the horizontal plane 121 vertical with vertical plane 120, vertical plane 120 abuts with the outside of the first eyeglass 2, sealing element
4 are clamped between the first eyeglass 2 and horizontal plane 121.
It is noted that first threaded portion 33 is adjacent to image side in order to further increase the sealing performance of lens barrel mould group 100
End and lens barrel 1 between be filled with sealant, to effectively prevent impurity from the first threaded portion 33 and the second threaded portion
11 junction enters the inside of lens barrel 1.
It should be noted that the second fixing piece 6 in present embodiment is equipped with third threaded portion 63, lens barrel 1 is equipped with
With mutually matched 4th threaded portion 12 in third threaded portion 63, the second fixing piece 6 is via third threaded portion 63 and the 4th threaded portion
12 mutual cooperation is fixed on lens barrel 1.In the present embodiment, the second fixing piece 6 is placed in the image side of lens barrel 1 when installation,
So that lens barrel 1 is screwed in the second fixing piece 6 close to one end of image side, the close connection of the second fixing piece 6 and lens barrel 1 can be realized, prevent
Only press the second eyeglass 7 between lens barrel 1 and the second fixing piece 6 and be detached from lens barrel 1, guarantee the second eyeglass 7, the second fixing piece 6,
Fixed structure between lens barrel 1 is more firm, to improve the reliability of lens module 100.
Preferably, in order to further increase the sealing performance of lens barrel mould group 100, end of the third threaded portion 63 adjacent to image side
Sealant is filled between lens barrel 1, to effectively prevent company of the impurity from third threaded portion 63 and the 4th threaded portion 12
Connect the inside that place enters lens barrel 1.
The second embodiment of the utility model is related to a kind of lens module 200, second embodiment and the first embodiment party
Formula is roughly the same, is in place of the main distinction: in the first embodiment, the second horizontal plane 610 is equipped with annular projection portion 60；
And in this second embodiment, as shown in Figures 7 and 8, the second horizontal plane 610 is equipped with annular recess portion 60.Pass through such knot
Structure makes lens module 100 be not limited to install lug boss or recessed portion in a certain fixed bit, to make lens module 100
Structure design diversification.It will be understood by those skilled in the art that present embodiment can reach same as the first embodiment
Technical effect.
It is noted that as shown in FIG. 9 and 10,60 numbers of recessed portion are multiple, and are coaxially disposed at equal intervals.Pass through
Multiple recessed portions 60, which are arranged, can increase contact area between the second horizontal plane 610 and seal washer 5, further avoid the external world
Impurity is entered inside lens barrel 1 by the junction of the second horizontal plane 610 and seal washer 5, to further improve camera lens mould
The sealing performance of group 100.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And range.
Claims (10)
1. a kind of lens module, which is characterized in that including lens barrel, lens barrel object side is arranged in and with the first mirror of optical axis
First eyeglass is pressed the first fixing piece on the lens barrel from the object side of first eyeglass, is set to the mirror by piece
Sealing element between cylinder and first eyeglass, the seal washer, separate from the seal washer that the lens barrel image side is set
The seal washer is pressed the second fixing piece on the lens barrel by the side of the lens barrel, and first fixing piece includes tool
The first vertical wall for having the first level wall of light hole and extending from first level wall bending, second fixing piece include
Second horizontal wall vertical with optical axis and the second vertical wall that folding extends from second horizontal wall to object lateral bending, second water
Planomural include close to object side hollow and annular the second horizontal plane, second horizontal plane be equipped with concaveconvex structure, described second
Horizontal plane presses on the seal washer.
2. lens module according to claim 1, which is characterized in that second horizontal plane is equipped with annular projection portion.
3. lens module according to claim 1, which is characterized in that second horizontal plane is equipped with annular recess portion.
4. lens module according to claim 2, which is characterized in that the number of the lug boss is multiple, and at equal intervals
Coaxial arrangement.
5. lens module according to claim 3, which is characterized in that the recessed portion number is multiple, and same at equal intervals
Axis setting.
6. lens module according to claim 1, which is characterized in that the lens barrel includes the first surface close to object side,
The first surface is equipped with the stage portion of the lateral image side direction recess from the first surface, and the sealing element setting exists
The stage portion, the stage portion include the vertical plane parallel with optical axis and the horizontal plane vertical with the vertical plane, described perpendicular
It faces directly and is abutted with the outside of first eyeglass, the sealing element is clamped between first eyeglass and the horizontal plane.
7. lens module according to claim 1, which is characterized in that the lens module further includes being housed in the lens barrel
The second eyeglass and optical filter of interior and neighbouring image side, the filter holder be set to second eyeglass and the seal washer it
Between.
8. lens module according to claim 1, which is characterized in that first fixing piece is equipped with the first threaded portion,
The lens barrel be equipped with mutually matched second threaded portion in first threaded portion, first fixing piece is via described first
The mutual cooperation of threaded portion and second threaded portion is fixed on the lens barrel.
9. lens module according to claim 8, which is characterized in that end and institute of first threaded portion adjacent to image side
It states between lens barrel filled with sealant.
10. lens module according to claim 1, which is characterized in that second fixing piece is equipped with third threaded portion,
The lens barrel be equipped with mutually matched 4th threaded portion in the third threaded portion, second fixing piece is via the third
The mutual cooperation of threaded portion and the 4th threaded portion is fixed on the lens barrel, end of the third threaded portion adjacent to image side
Sealant is filled between the lens barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278947.5U CN209387984U (en) | 2018-12-31 | 2018-12-31 | A kind of lens module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822278947.5U CN209387984U (en) | 2018-12-31 | 2018-12-31 | A kind of lens module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209387984U true CN209387984U (en) | 2019-09-13 |
Family
ID=67863223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822278947.5U Active CN209387984U (en) | 2018-12-31 | 2018-12-31 | A kind of lens module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209387984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021195878A1 (en) * | 2020-03-30 | 2021-10-07 | 南昌欧菲精密光学制品有限公司 | Pressing ring, lens, camera module and electronic device |
-
2018
- 2018-12-31 CN CN201822278947.5U patent/CN209387984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021195878A1 (en) * | 2020-03-30 | 2021-10-07 | 南昌欧菲精密光学制品有限公司 | Pressing ring, lens, camera module and electronic device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200428 Address after: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee after: Raytheon solutions Pte Ltd Address before: No. 8, 2 floor, 85 Cavendish Science Park Avenue, Singapore Patentee before: Raytheon Technology (Singapore) Co., Ltd |