CN209387980U - Lens module - Google Patents

Abstract

A kind of lens module, including lens barrel and the lens set being contained in lens barrel and washer, lens barrel includes the second barrel for being provided with the first barrel of light hole and extending from the bending of the first barrel, second barrel includes the first inner sidewall close to optical axis and the first lateral wall far from optical axis, washer includes the second inner sidewall close to optical axis and the second lateral wall far from optical axis, at least one first clamping portion is provided on first inner sidewall, at least one second clamping portion is provided on second lateral wall, first clamping portion is fastened in corresponding second clamping portion, in this way, even if the external diameter circularity of washer is poor, also the assembly that will not influence washer and lens barrel is fixed, so as to weaken because of the poor influence to assembling of washer outer diameter circularity, and, the cooperation at washer and lens barrel can also greatly be improved, allow washer more firmly It is assembled in lens barrel, so as to improve the overall performance of lens module.

Description

Lens module

[technical field]

The utility model relates to optical image technology fields, and in particular to a kind of lens module.

[background technique]

In recent years, the rise of the electronic product with the development of photography technology and with camera function, optical camera mould Group is widely used in various product.

Traditionally, lens module includes lens barrel and the lens set being contained in the lens barrel and washer, in order to improve mirror The overall performance of head mould group, needs for washer to be firmly assembled in lens barrel.But in actual fabrication washer, outside washer Diameter circularity is often poor, this is easy to cause installation reliability of the washer in lens barrel to be deteriorated, to reduce the entirety of lens module Performance.

Thus it is necessary to study a kind of lens modules with new construction.

[utility model content]

The utility model aims to solve the problem that one of the technical problems existing in the prior art, and provides a kind of novel lens mould Group.

To achieve the above object, the utility model provides a kind of lens module, the lens module include lens barrel and The lens set being contained in the lens barrel, the lens set include washer, and the lens barrel includes first for being provided with light hole Wall and from first barrel bending extend the second barrel, second barrel include close to optical axis the first inner sidewall with And the first lateral wall far from the optical axis, the washer include close to the second inner sidewall of the optical axis and far from the light Second lateral wall of axis is provided at least two on first inner sidewall from first inner sidewall to far from the optical axis The groove of direction recess is provided at least two on second lateral wall from second lateral wall to far from the optical axis The boss of direction protrusion, the quantity of the boss are not more than the quantity of the groove, and the groove is connected together with the boss So that the washer is fixedly connected with the lens barrel.

Optionally, circumferential spaced set of multiple grooves along first inner sidewall；Multiple boss are along institute State the circumferential spaced set of the second lateral wall.

Optionally, the washer includes the object side of close object side, the image side surface and connection opposite with the object side The joint face of the object side and the image side surface and separate optical axis, the boss is from the connection away from the direction of optical axis It convexes to form, in a direction parallel to the optical axis, the thickness of the boss is less than the thickness of the washer.

Optionally, the boss is flushed with the object side.

Optionally, the boss is flushed with the image side surface.

Optionally, the quantity of the boss is equal to the quantity of the groove.

Optionally, the lens set includes set on the first eyeglass of the object side of the washer and set on the image side of the washer The second eyeglass, first eyeglass includes extending outward for the first optical section of imaging and from first optical section The first peripheral portion；

Second eyeglass includes extending outward for the second optical section of imaging and from second optical section Second peripheral portion；

The washer is abutted with first peripheral portion and second peripheral portion respectively.

The beneficial effects of the utility model are: the lens module of the utility model, including lens barrel and it is contained in the mirror Lens set and washer in cylinder, the lens barrel include being provided with the first barrel of light hole and prolonging from first barrel bending The second barrel stretched, second barrel include the first inner sidewall close to optical axis and the first outside far from the optical axis Wall, the washer include close to the optical axis the second inner sidewall and far from the optical axis the second lateral wall, described first It is provided at least one first clamping portion on inner sidewall, at least one second clamping portion is provided on second lateral wall, often A corresponding second clamping portion in first clamping portion, and first clamping portion is fastened on corresponding second card In socket part, so that the washer is fixedly connected with the lens barrel.Even if also can't in this way, the external diameter circularity of washer is poor The assembly for influencing washer and lens barrel is fixed, so as to weaken because of the poor influence to assembling of washer outer diameter circularity, also, can also Enough cooperations greatly improved at washer and lens barrel, are assembled in washer more firmly in lens barrel, so as to improve The overall performance of lens module.

[Detailed description of the invention]

Fig. 1 is the structural schematic diagram of lens module in the utility model；

Fig. 2 is the structural schematic diagram of the lens barrel in the utility model in lens module；

Fig. 3 is the top view of lens barrel shown in Fig. 2；

Fig. 4 is the structural schematic diagram of the washer in the utility model in lens module；

Fig. 5 is the top view of washer shown in Fig. 4；

Fig. 6 is the cross-sectional view of washer shown in Fig. 4.

[specific embodiment]

The utility model is described in detail below with reference to Fig. 1 to Fig. 6.

As shown in Figures 1 to 6, the utility model relates to a kind of lens module 100, the lens module 100 includes lens barrel 110 and the lens set 120 that is contained in the lens barrel 110, the lens set 120 include washer 121, the lens barrel 110 wraps The second barrel 112 for including the first barrel 111 for being provided with light hole 111a and extending from first barrel 111 bending, institute Stating the second barrel 112 includes the first inner sidewall 112a close to optical axis OO ' and the first lateral wall far from the optical axis OO ' 112b, the washer 121 include the second inner sidewall 121a close to the optical axis OO ' and second far from the optical axis OO ' At least two are provided on lateral wall 121b, the first inner sidewall 112a from the first inner sidewall 112a to far from the light At least two are provided with from second lateral wall on the groove 112a1, the second lateral wall 121b of the direction recess of axis OO ' The boss 121b1 that 121b is protruded to the direction far from the optical axis OO ', the quantity of the boss 121b1 are not more than the groove The quantity of 112a1, the groove 112a1 and the boss 121b1 are connected together so that the washer 121 and the lens barrel 110 are fixedly connected.

The lens module 100 of the present embodiment structure, on the first inner sidewall 112a of the second barrel 112 of the lens barrel 110 At least two groove 112a1 are provided with, are provided at least two boss 121b1 on the second lateral wall 121b of the washer 121, The groove 112a1 is connected together with the boss 121b1 so that the washer 121 is fixedly connected with the lens barrel 110, this Sample also will not influence washer 121 and the assembly of lens barrel 110 fixed even if the external diameter circularity of washer 121 is poor, so as to Reduction can also greatly improve at washer 121 and lens barrel 110 because of the poor influence to assembling of 121 external diameter circularity of washer Cooperation, is assembled in washer 121 more firmly in lens barrel 110, so as to improve the globality of lens module 100 Energy.

As shown in Figure 1, Figure 2 and Figure 4, in order to improve fixing intensity of the washer 121 in lens barrel 110, so as into one Step improves the overall performance of lens module 100, and multiple groove 112a1 can be along the circumferential equidistant of the first inner sidewall 112a Setting.Correspondingly, multiple boss 121b1 can be along the circumferential spaced set of the second lateral wall 121b.

As shown in Fig. 1, Fig. 4, Fig. 5 and Fig. 6, the washer 121 includes close to the object side 121c of object side and the object side The company of face 121c opposite image side surface 121d and the connection object side 121c and image side surface 121d and separate optical axis OO ' Junction 121e, the boss 121b1 are convexed to form from the joint face 121e to the direction far from optical axis OO ', are being parallel to light On the direction of axis OO ', the thickness of the boss 121b1 is less than the thickness of the washer 121.

As shown in Figure 4 and Figure 6, the boss 121b1 is flushed with the object side 121c.Certainly, in addition to this, described convex Platform 121b1 can also be flushed with the image side surface 121d, specifically can be determine according to actual needs.

As shown in Figure 3 and Figure 5, the quantity of the boss 121b1 is equal to the quantity of the groove 112a1, for example, such as Fig. 3 Shown, the quantity of groove 112a1 is 12, as shown in figure 5, the quantity of boss 121b1 can also be with 12, certainly, boss 121b1 It is not limited thereto with the quantity of groove 112a1, it can be determine according to actual needs.

As shown in Figure 1, the lens set 120 includes set on the first eyeglass 122 of the object side of the washer 121 and set on institute State the second eyeglass 123 of the image side of washer 121, first eyeglass 122 include for imaging the first optical section 122a and The the first peripheral portion 122b extended outward from the first optical section 122a.Second eyeglass 123 includes for imaging Second optical section 123a and the second peripheral portion 123b extended outward from the second optical section 123a.The washer 121 It is abutted respectively with the first peripheral portion 122b and the second peripheral portion 123b.Certainly, eyeglass number included by lens set 120 Amount is not limited thereto, and those skilled in the art can determine specific eyeglass number included by lens set 120 according to actual needs Amount.

Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical Novel protection scope.

Claims (7)

1. a kind of lens module, the lens module includes lens barrel and the lens set that is contained in the lens barrel, the eyeglass Group includes washer, and the lens barrel includes second for being provided with the first barrel of light hole and extending from first barrel bending Barrel, second barrel include the first inner sidewall close to optical axis and the first lateral wall far from the optical axis, the pad Circle includes the second inner sidewall close to the optical axis and the second lateral wall far from the optical axis, which is characterized in that described the It is provided at least two grooves being recessed from first inner sidewall to the direction far from the optical axis on one inner sidewall, described the At least two boss protruded from second lateral wall to the direction far from the optical axis are provided on two lateral walls, it is described convex The quantity of platform is not more than the quantity of the groove, and the groove and the boss are connected together so that the washer and the mirror Cylinder is fixedly connected.

2. lens module according to claim 1, which is characterized in that week of multiple grooves along first inner sidewall To spaced set；Circumferential spaced set of multiple boss along second lateral wall.

3. lens module according to claim 1, which is characterized in that the washer include close to object side object side, with The opposite image side surface in the object side and the joint face for connecting the object side and the image side surface and separate optical axis, it is described convex Platform is convexed to form from the connection away from the direction of optical axis, and in a direction parallel to the optical axis, the thickness of the boss is small In the thickness of the washer.

4. lens module according to claim 3, which is characterized in that the boss is flushed with the object side.

5. lens module according to claim 3, which is characterized in that the boss is flushed with the image side surface.

6. lens module according to claim 1, which is characterized in that the quantity of the boss is equal to the number of the groove Amount.

7. lens module as claimed in any of claims 1 to 3, which is characterized in that the lens set includes being set to First eyeglass of the object side of the washer and the second eyeglass set on the image side of the washer, first eyeglass include at First optical section of picture and the first peripheral portion extended outward from first optical section；

Second eyeglass include the second optical section for imaging and extend outward from second optical section second Peripheral portion；

The washer is abutted with first peripheral portion and second peripheral portion respectively.