CN209387979U - Lens module - Google Patents

Abstract

A kind of lens module, including lens barrel and the lens set being contained in lens barrel, 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, lens set includes the first eyeglass, first eyeglass includes the optical section for imaging and the peripheral portion that extends outward from optical section, peripheral portion includes the second lateral wall far from optical axis, at least two grooves being recessed from the first inner sidewall to the direction far from optical axis are provided on first inner sidewall, at least two boss protruded from the second lateral wall to the direction far from optical axis are provided on second lateral wall, the quantity of boss is not more than the quantity of groove, groove is connected together with boss so that the first eyeglass is fixedly connected with the lens cone.The cooperation at the first eyeglass and lens barrel can greatly be improved, the first eyeglass is more firmly assembled in lens barrel.

Description

Lens module

【Technical field】

The utility model relates to the technical field of optical imaging, in particular to a lens module.

【Background technique】

In recent years, with the development of camera technology and the rise of electronic products with camera functions, optical camera modules are widely used in various products.

Traditionally, a lens module includes a lens barrel and lenses accommodated in the lens barrel. In order to improve the overall performance of the lens module, the lenses need to be firmly assembled in the lens barrel. However, when the lens is actually manufactured, the outer diameter of the lens is often poor in roundness, which easily leads to poor installation reliability of the lens in the lens barrel, thereby reducing the overall performance of the lens module.

Therefore, it is necessary to study a lens module with a new structure.

【Content of utility model】

The utility model aims to solve one of the technical problems existing in the prior art, and provides a novel lens module.

In order to achieve the above object, the utility model provides a lens module, the lens module includes a lens barrel and a lens group accommodated in the lens barrel, the lens barrel includes a first barrel provided with a light hole wall and a second tube wall bent and extended from the first tube wall, the second tube wall includes a first inner side wall close to the optical axis and a first outer side wall away from the optical axis, and the lens group includes The first lens, the first lens includes an optical part for imaging and a peripheral part extending outward from the optical part, the peripheral part includes a second outer side wall away from the optical axis, the first inner side The wall is provided with at least two grooves recessed from the first inner sidewall in a direction away from the optical axis, and the second outer sidewall is provided with at least two grooves in a direction away from the second outer sidewall. A boss protruding in the direction of the optical axis, the number of the bosses is not more than the number of the grooves, and the grooves are engaged with the bosses so that the first lens and the lens barrel Fixed connection.

Optionally, a plurality of the grooves are arranged at equal intervals along the circumference of the first inner sidewall;

A plurality of bosses are arranged at equal intervals along the circumference of the second outer wall.

Optionally, the peripheral portion includes an object side close to the object side, an image side opposite to the object side, and a connecting surface connecting the object side and the image side and away from the optical axis, and the boss is formed from the The connecting surface is formed to protrude in a direction away from the optical axis, and in a direction parallel to the optical axis, the thickness of the boss is smaller than the thickness of the peripheral portion.

Optionally, the boss is flush with the side of the object.

Optionally, the boss is flush with the side of the image.

Optionally, the number of the bosses is equal to the number of the grooves.

Optionally, the lens group further includes a second lens and a third lens arranged on the object side of the first lens, a gasket and a fourth lens arranged on the image side of the first lens, and the gasket is respectively connected to the The first lens is in contact with the fourth lens.

The beneficial effects of the utility model are: the lens module of the utility model includes a lens barrel and a lens group accommodated in the lens barrel, the lens barrel includes a first barrel wall provided with a light hole and The first barrel wall bends and extends the second barrel wall, the second barrel wall includes a first inner sidewall close to the optical axis and a first outer sidewall far away from the optical axis, the lens group includes a first lens, so The first lens includes an optical part for imaging and a peripheral part extending outward from the optical part, the peripheral part includes a second outer sidewall far away from the optical axis, and the first inner sidewall is provided with at least Two grooves are recessed from the first inner sidewall in a direction away from the optical axis, and the second outer sidewall is provided with at least two convex grooves in a direction away from the optical axis from the second outer sidewall. The number of the protrusions is not more than the number of the grooves, and the grooves are engaged with the protrusions so that the first lens is fixedly connected to the lens barrel. In this way, even if the roundness of the outer diameter of the first lens is poor, it will not affect the assembly and fixation of the first lens and the lens barrel, thereby weakening the influence on the assembly due to the poor roundness of the outer diameter of the first lens, and also The cooperation between the first lens and the lens barrel can be greatly improved, so that the first lens can be more firmly assembled in the lens barrel, thereby improving the overall performance of the lens module.

【Description of drawings】

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

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

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

Fig. 4 is a schematic structural view of the first lens in the lens module of the present invention;

Figure 5 is a top view of the first lens shown in Figure 4;

FIG. 6 is a cross-sectional view of the first lens shown in FIG. 4 .

【Detailed ways】

Below in conjunction with Fig. 1 to Fig. 6 the utility model is described in detail.

As shown in Figures 1 to 6, the present invention relates to a lens module 100, the lens module 100 includes a lens barrel 110 and a lens group 120 accommodated in the lens barrel 110, the lens barrel 110 includes The first cylinder wall 111 provided with the light through hole 111a and the second cylinder wall 112 bent and extended from the first cylinder wall 111, the second cylinder wall 112 includes a first inner sidewall 112a close to the optical axis OO' And the first outer wall 112b away from the optical axis OO', the lens group 120 includes a first lens 121, the first lens 121 includes an optical part 121a for imaging and extends outward from the optical part 121a The peripheral portion 121b, the peripheral portion 121b includes a second outer wall 121b1 away from the optical axis OO', and the first inner wall 112a is provided with at least two a recessed groove 112a1 in the direction of the optical axis OO', the second outer wall 121b1 is provided with at least two bosses 121b11 protruding from the second outer wall 121b1 in a direction away from the optical axis OO', The number of the bosses 121b11 is no more than the number of the grooves 112a1 , and the grooves 112a1 are engaged with the bosses 121b11 so that the first lens 121 is fixedly connected with the lens barrel 110 .

In the lens module 100 with the structure of this embodiment, at least two grooves 112a1 are provided on the first inner sidewall 112a of the second barrel wall 112 of the lens barrel 110, and at least two grooves 112a1 are arranged on the second outer sidewall 121b1 of the first lens 121. At least two bosses 121b11 are provided, and the groove 112a1 is engaged with the bosses 121b11 so that the first lens 121 is fixedly connected to the lens barrel 110, so that even if the outer diameter of the first lens 121 is circular It is poor, and it will not affect the assembly and fixation of the first lens 121 and the lens barrel 110, so that the impact on the assembly caused by the poor roundness of the outer diameter of the first lens 121 can be weakened, and the first lens 121 can also be greatly improved. Cooperating with the lens barrel 110 , the first lens 121 can be more firmly assembled in the lens barrel 110 , thereby improving the overall performance of the lens module 100 .

It should be noted that there is no limitation on the specific number of grooves 112a1 and bosses 121b11, and those skilled in the art can determine the specific number of grooves 112a1 and bosses 121b11 required according to actual needs, for example, grooves 112a1 and the number of bosses 121b11 may be three or more and so on.

As shown in Figure 1, Figure 2 and Figure 4, in order to improve the fixing strength of the first lens 121 in the lens barrel 110, so as to further improve the overall performance of the lens module 100, a plurality of grooves 112a1 can be formed along the first The inner side walls 112a are arranged at equal intervals in the circumferential direction. Correspondingly, a plurality of bosses 121b11 may be arranged at equal intervals along the circumferential direction of the second outer wall 121b1.

As shown in FIG. 1 , the peripheral portion 121b includes an object side 121b2 close to the object side, an image side 121b3 opposite to the object side 121b2, and an image side 121b3 connecting the object side 121b2 and the image side 121b3 and away from the optical axis OO′ The connecting surface 121b4, the boss 121b11 protrudes from the connecting surface 121b4 to the direction away from the optical axis OO', and in the direction parallel to the optical axis OO', the thickness of the boss 121b11 is smaller than the peripheral The thickness of the portion 121b.

As shown in FIG. 4 and FIG. 6 , the boss 121b11 is flush with the object side 121b2 . Of course, in addition, the boss 121b11 can also be flush with the image side 121b3, which can be determined according to actual needs.

As shown in Figure 3 and Figure 5, the number of said bosses 121b11 is equal to the number of said grooves 112a1, for example, as shown in Figure 3, the number of grooves 112a1 is 12, as shown in Figure 5, the number of bosses The number of 121b11 can also be 12, of course, the number of bosses 121b11 and grooves 112a1 is not limited thereto, and can be determined according to actual needs.

As shown in FIG. 1 , the lens group 120 also includes a second lens 122 and a third lens 123 arranged on the object side of the first lens 121 , and a gasket 124 and a fourth lens arranged on the image side of the first lens 121 . The lens 125 , the gasket 124 abuts against the first lens 121 and the fourth lens 125 respectively.

What has been described above is only the embodiment of the utility model, and it should be pointed out that for those of ordinary skill in the art, improvements can also be made without departing from the inventive concept of the utility model, but these all belong to Protection scope of the present utility model.

Claims (7)

1. A lens module, the lens module includes a lens barrel and a lens group accommodated in the lens barrel, the lens barrel includes a first barrel wall provided with a light hole and a lens from the first barrel A second tube wall that is bent and extended, the second tube wall includes a first inner side wall close to the optical axis and a first outer side wall away from the optical axis, the lens group includes a first lens, the first The lens includes an optical part for imaging and a peripheral part extending outward from the optical part, the peripheral part includes a second outer sidewall away from the optical axis, and it is characterized in that the first inner sidewall is provided with At least two grooves are recessed from the first inner sidewall in a direction away from the optical axis, and the second outer sidewall is provided with at least two grooves in a direction away from the optical axis from the second outer sidewall Protruding bosses, the number of said bosses is no more than the number of said grooves, said grooves are engaged with said bosses so that said first lens is fixedly connected to said lens barrel. 2. The lens module according to claim 1, wherein a plurality of the grooves are arranged at equal intervals along the circumferential direction of the first inner wall; A plurality of bosses are arranged at equal intervals along the circumference of the second outer wall. 3. The lens module according to claim 1, wherein the peripheral portion includes an object side close to the object side, an image side opposite to the object side, and an image side connecting the object side and the image side and The connecting surface away from the optical axis, the boss protrudes from the connecting surface in a direction away from the optical axis, and in a direction parallel to the optical axis, the thickness of the boss is smaller than the thickness of the peripheral portion. 4. The lens module according to claim 3, wherein the boss is flush with the side of the object. 5. The lens module according to claim 3, wherein the boss is flush with the side of the image. 6. The lens module according to claim 1, wherein the number of the bosses is equal to the number of the grooves. 7. The lens module according to any one of claims 1 to 6, wherein the lens group further comprises a second lens and a third lens arranged on the object side of the first lens and a second lens arranged on the object side of the first lens The gasket on the image side of the first lens and the fourth lens, the gasket abuts against the first lens and the fourth lens respectively.