CN112415703A

CN112415703A - Lens and lens module

Info

Publication number: CN112415703A
Application number: CN202011294306.4A
Authority: CN
Inventors: 苗澍晗; 杨来晴; 赵飞
Original assignee: Hubei Hekou Photoelectric Co ltd
Current assignee: Hubei Hekou Photoelectric Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-02-26

Abstract

The invention discloses a lens and a lens module, which comprises a lens body, wherein the lens body comprises a fixing part, a connecting part and a lens part, the bottom of the outer surface of the fixing part is fixedly connected with the inner wall of the connecting part, the top of the fixing part is fixedly connected with the bottom of the lens part, a shading sheet is movably connected to the top of the lens body and is positioned at the periphery of the lens part, and clamping blocks are fixedly connected to two sides of the bottom of the shading sheet. This lens and camera lens module includes fixed part, connecting portion and lens portion through the lens body, and the bottom of fixed part surface and the inner wall fixed connection of connecting portion establish round connecting portion in addition in the periphery of lens for the fixed part area increase of lens, simultaneously with the equipment of lens barrel inner wall, the fixed block that the lens both sides set up gets into in the recess of lens barrel inner wall, makes the equipment of lens and lens barrel more stable, can not influence the result of use of camera lens.

Description

Lens and lens module

Technical Field

The invention relates to the technical field of optical lenses, in particular to a lens and a lens module.

Background

The optical lens is an indispensable component in a machine vision system, directly influences the quality of imaging quality and influences the realization and effect of an algorithm, the optical lens can be divided into a short-focus lens, a middle-focus lens and a long-focus lens from the focal length, a wide-angle lens, a standard lens and a telephoto lens from the field size, a fixed-aperture fixed-focus lens, a manual aperture fixed-focus lens, an automatic aperture fixed-focus lens, a manual zoom lens, an automatic aperture motorized zoom lens, an electric three-variable (aperture, focal length and focusing are all variable) lens and the like are structurally divided according to the performance and the appearance of the lens, the optical lens is divided into a P type, an E type, an L type and an automatic zoom lens and the like, the classification of the optical lens can be further divided according to the focal length, according to the aperture and according to the telescopic adjustment of the optical lens, the main function of the optical lens is to collect reflected light of an object to be illuminated and focus the reflected light on a, the camera circuit has the function of inverting the camera circuit, and the imaging principle of the camera circuit is the same as that of human eyes.

Present lens module includes the lens barrel, lens in the lens barrel, the anti-dazzling screen and fix the clamping ring in lens barrel inner wall bottom, the clamping ring is used for realizing the fixed of lens, when nevertheless current anti-dazzling screen assembles, generally support the anti-dazzling screen to press between two lenses through the pressure of clamping ring, in the use, the stability of anti-dazzling screen is not good enough, the skew is rocked in easy emergence, thereby influence the result of use of camera lens, the peripheral fixed part of current lens is less simultaneously, when assembling with lens barrel inside, the lens can be because of bearing by inadequately and not stable enough with the lens barrel.

Disclosure of Invention

Technical problem to be solved

The invention provides a lens and a lens module, aiming at overcoming the defects of the prior art, and solving the problems that the stability of a shading sheet is not good enough, the shaking deviation is easy to occur, and the using effect of a lens is influenced, and meanwhile, the peripheral fixing part of the prior lens is smaller, and the lens is not stable enough due to insufficient bearing with a lens barrel when being assembled with the inside of the lens barrel.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a lens and camera lens module, includes the lens body, the lens body includes fixed part, connecting portion and lens portion, the bottom of fixed part surface and the inner wall fixed connection of connecting portion, the top of fixed part and the bottom fixed connection of lens portion, the top of lens body and the peripheral swing joint that is located lens portion have the anti-dazzling screen, and the equal fixedly connected with fixture block in both sides of anti-dazzling screen bottom, the draw-in groove with fixture block looks adaptation is all seted up to the both sides at lens body top, the both sides of connecting portion all are provided with fixed establishment.

Preferably, the fixing mechanism comprises a fixing block, the two sides of the connecting portion are provided with mounting grooves, and one side of the inner wall of each mounting groove is fixedly connected with a spring.

Preferably, the spring is kept away from the one end fixedly connected with baffle of mounting groove inner wall, the one side that the spring was kept away from to the baffle is fixedly connected with one side of fixed block.

Preferably, the lens part is an arc-shaped convex structure, and the connecting part and the fixing part are formed into an integral structure.

The invention also discloses a lens module, which comprises a lens barrel and a mounting seat fixed at the bottom of the lens barrel, wherein a lens group is arranged between the two sides of the top of the inner wall of the lens barrel, the lens group comprises a first lens, a second lens and a third lens, the bottom of the first lens is fixedly connected with a mounting ring, the bottom of the mounting ring is movably connected with the top of the second lens, and the two sides of the bottom of the second lens are respectively provided with a clamping mechanism

Preferably, the clamping mechanism comprises two convex blocks, two sides of the bottom of the second lens are respectively fixedly connected with the tops of the two convex blocks, and dovetail grooves matched with the convex blocks are formed in two sides of the top of the third lens.

Preferably, the both sides of lens barrel inner wall all set up the recess with fixed block looks adaptation, the bottom of lens barrel inner wall has the clamping ring through the adhesive bonding.

Preferably, the top of the pressing ring is movably connected with the bottom of the lens group, and the top of the first lens is movably connected with the top of the inner wall of the lens barrel.

(III) advantageous effects

The invention provides a lens and a lens module. Compared with the prior art, the method has the following beneficial effects:

(1) the lens and the lens module comprise a fixing part, a connecting part and a lens part through a lens body, wherein the bottom of the outer surface of the fixing part is fixedly connected with the inner wall of the connecting part, the top of the fixing part is fixedly connected with the bottom of the lens part, fixing mechanisms are arranged on two sides of the connecting part respectively and comprise fixing blocks, mounting grooves are formed in two sides of the connecting part respectively, and one side of the inner wall of the mounting groove is fixedly connected with a spring, one end of the spring, which is far away from the inner wall of the mounting groove, is fixedly connected with a baffle plate, one side of the baffle plate, which is far away from the spring, is fixedly connected with one side of the fixed block, a circle of connecting part is additionally arranged on the periphery of the lens, so that the area of the fixing part of the lens is increased, and when the lens is assembled with the inner wall of a lens barrel, the fixed blocks arranged on the two sides of the lens enter the groove on the inner wall of the lens barrel, so that the assembly of the lens and the lens barrel is more stable, and the using effect of the lens cannot be influenced.

(2) This lens and camera lens module, the peripheral swing joint who just is located lens portion through the top of lens body has the anti-dazzling screen, and the equal fixedly connected with fixture block in both sides of anti-dazzling screen bottom, the draw-in groove with fixture block looks adaptation is all seted up to the both sides at lens body top, when setting anti-dazzling screen between two lenses, the anti-dazzling screen gets into in the draw-in groove that sets up on the lens through the fixture block of bottom, and support anti-dazzling screen and lens through the collar during the equipment and press mutually, make the equipment more stable, the anti-dazzling screen is difficult for producing and.

(3) This lens and camera lens module, include two lugs through the latch mechanism, the both sides of second lens bottom respectively with the top fixed connection of two lugs, the dovetail with lug looks adaptation is all seted up to the both sides at third lens top, there is the clamping ring bottom of camera lens section of thick bamboo inner wall through the adhesive bonding, the top of clamping ring and the bottom swing joint of lens group, through the setting of dovetail and lug, conveniently assemble between two lenses, make the connection between the lens more stable, the clamping ring is fixed with lens group and is compressed tightly in the camera lens section of thick bamboo simultaneously.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of a lens barrel arrangement according to the present invention;

FIG. 3 is a perspective view of a lens and a light shielding sheet structure according to the present invention;

FIG. 4 is an enlarged view of a portion of the invention at A in FIG. 2;

FIG. 5 is an enlarged view of a portion of the invention at B in FIG. 2;

fig. 6 is a partial enlarged view of the invention at C in fig. 2.

In the figure, 1 lens body, 101 fixing part, 102 connecting part, 103 lens part, 2 shading sheet, 3 clamping block, 4 clamping groove, 5 fixing mechanism, 51 fixing block, 52 mounting groove, 53 spring, 54 baffle, 20 lens barrel, 30 mounting seat, 40 lens group, 401 first lens, 402 second lens, 403 third lens, 50 mounting ring, 60 clamping mechanism, 601 convex block, 602 dovetail groove, 70 groove and 80 pressing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention provides a technical solution: the utility model provides a lens, lens body 1 includes fixed part 101, connecting portion 102 and lens portion 103, the bottom of fixed part 101 surface and the inner wall fixed connection of connecting portion 102, the top of fixed part 101 and the bottom fixed connection of lens portion 103, the top of lens body 1 and the peripheral swing joint that is located lens portion 103 have anti-dazzling screen 2, and the equal fixedly connected with fixture block 3 in both sides of anti-dazzling screen 2 bottom, draw-in groove 4 with 3 looks adaptations of fixture block is all seted up to the both sides at lens body 1 top, fixture block 3 and draw-in groove 4's setting, it is more stable when making anti-dazzling screen 2 assemble, anti-dazzling screen 2 is difficult for producing the skew, the both sides of connecting portion 102 all are provided with fixed establishment 5, fixed establishment 5's setting, it.

In the embodiment of the present invention, the fixing mechanism 5 includes a fixing block 51, the two sides of the connecting portion 102 are both provided with mounting grooves 52, and one side of the inner wall of the mounting groove 52 is fixedly connected with a spring 53, the spring 53 can be replaced, so as to ensure the elasticity.

In the embodiment of the invention, one end of the spring 53, which is far away from the inner wall of the mounting groove 52, is fixedly connected with the baffle 54, a limit block is arranged on one side of the baffle 54, which is positioned on the inner wall of the mounting groove 52, so as to prevent the spring 53 from popping out of the mounting groove 52, and one side of the baffle 54, which is far away from the spring 53, is fixedly connected with one side.

In the embodiment of the present invention, the lens portion 103 is an arc-shaped protrusion structure, and the connecting portion 102 and the fixing portion 101 are integrally formed.

The invention also discloses a lens module, which comprises a lens barrel 20 and a mounting seat 30 fixed at the bottom of the lens barrel 20, wherein a lens group 40 is arranged between two sides of the top of the inner wall of the lens barrel 20, a second lens 402 in the lens group 40 is the lens described in any one of claims 1 to 4, the lens group 40 comprises a first lens 401, a second lens 402 and a third lens 403, the bottom of the first lens 401 is fixedly connected with a mounting ring 50, the arrangement of the mounting ring 50 is convenient for abutting the shading sheet 2 against the lens body 1, the bottom of the mounting ring 50 is movably connected with the top of the second lens 402, and two sides of the bottom of the second lens 402 are respectively provided with a clamping mechanism 60.

In the embodiment of the present invention, the clamping mechanism 60 includes two protrusions 601, two sides of the bottom of the second lens 402 are respectively and fixedly connected to the tops of the two protrusions 601, two sides of the top of the third lens 403 are both provided with dovetail grooves 602 adapted to the protrusions 601, and the two lenses are conveniently assembled by the arrangement of the dovetail grooves 602 and the protrusions 601, so that the connection between the lenses is more stable.

In the embodiment of the present invention, both sides of the inner wall of the lens barrel 20 are provided with grooves 70 adapted to the fixing blocks 51, and the bottom of the inner wall of the lens barrel 20 is bonded with a pressing ring 80 through an adhesive.

In the embodiment of the present invention, the top of the pressing ring 80 is movably connected to the bottom of the lens group 40, and the top of the first lens element 401 is movably connected to the top of the inner wall of the lens barrel 20.

When the lens assembly is in operation, the light-shielding sheet 2 is connected with the lens body 1, the fixture block 3 at the bottom of the light-shielding sheet 2 enters the clamping groove 4 on the lens body 1 to prevent the light-shielding sheet 2 from rotating on the lens body 1, after the connection is completed, the lens assembly 40 is assembled, the mounting ring 50 presses the light-shielding sheet 2 against the lens body 1 during the assembly, so that the assembly is more stable, the light-shielding sheet 2 is not easy to shake, meanwhile, when the second lens 402 is connected with the third lens 403, the bump 601 at the bottom of the second lens 402 is connected with the dovetail groove 602 on the third lens 403, so that the connection between the second lens 402 and the third lens 403 is more stable, when the lens assembly 40 enters the lens barrel 20, the fixing blocks 51 at the two sides are pressed into the mounting grooves 52, when the lens assembly 40 is assembled, the fixing blocks 51 enter the grooves 70 on the inner wall of the lens barrel 20 under the elastic force of the springs 53, so as, finally, the lens group 40 is fixed and pressed in the lens barrel 20 through the pressing ring 80.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A lens comprising a lens body (1), characterized in that: the novel spectacle lens is characterized in that the spectacle lens body (1) comprises a fixing portion (101), a connecting portion (102) and a lens portion (103), the bottom of the outer surface of the fixing portion (101) is fixedly connected with the inner wall of the connecting portion (102), the top of the fixing portion (101) is fixedly connected with the bottom of the lens portion (103), the top of the spectacle lens body (1) is movably connected with a shading sheet (2) at the periphery of the lens portion (103), clamping blocks (3) are fixedly connected to the two sides of the bottom of the shading sheet (2), clamping grooves (4) matched with the clamping blocks (3) are formed in the two sides of the top of the spectacle lens body (1), and fixing mechanisms (5) are arranged on the two sides of the connecting portion (102).

2. A lens according to claim 1, wherein: fixing mechanism (5) are including fixed block (51), mounting groove (52) have all been seted up to the both sides of connecting portion (102), and one side fixedly connected with spring (53) of mounting groove (52) inner wall.

3. A lens according to claim 2, wherein: one end, far away from the inner wall of the mounting groove (52), of the spring (53) is fixedly connected with a baffle plate (54), and one side, far away from the spring (53), of the baffle plate (54) is fixedly connected with one side of the fixing block (51).

4. A lens according to claim 1, wherein: the lens part (103) is of an arc-shaped convex structure, and the connecting part (102) and the fixing part (101) are formed into an integral structure.

5. A lens module according to any one of claims 1 to 4, comprising a lens barrel (20) and a mount (30) fixed to the bottom of the lens barrel (20), characterized in that: be provided with lens group (40) between the both sides at lens barrel (20) inner wall top, lens group (40) are including first lens (401), second lens (402) and third lens (403), the bottom fixedly connected with collar (50) of first lens (401), and the bottom of collar (50) and the top swing joint of second lens (402), the both sides of second lens (402) bottom all are provided with clamping mechanism (60).

6. The lens module as claimed in claim 5, wherein: the clamping mechanism (60) comprises two convex blocks (601), the two sides of the bottom of the second lens (402) are fixedly connected with the tops of the two convex blocks (601) respectively, and dovetail grooves (602) matched with the convex blocks (601) are formed in the two sides of the top of the third lens (403).

7. The lens module as claimed in claim 5, wherein: the both sides of lens barrel (20) inner wall all seted up with recess (70) of fixed block (51) looks adaptation, there is clamping ring (80) bottom of lens barrel (20) inner wall through the adhesive bonding.

8. The lens module as claimed in claim 7, wherein: the top of clamping ring (80) and the bottom swing joint of lens group (40), the top of first lens (401) and the top swing joint of lens barrel (20) inner wall.