CN216647044U

CN216647044U - Convenient fixed anti-dazzling screen

Info

Publication number: CN216647044U
Application number: CN202123229758.7U
Authority: CN
Inventors: 徐成友
Original assignee: Shanghai Chengjing Photoelectric Co ltd
Current assignee: Shanghai Chengjing Photoelectric Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-31
Anticipated expiration: 2031-12-21

Abstract

The utility model relates to the technical field of lenses and discloses a conveniently-fixed shading sheet which comprises a barrel body and a shading sheet body, wherein a partition plate is arranged on the inner side of the barrel body, a limiting block is arranged at the upper end of the partition plate, and a through hole is formed in the side of the barrel body. This convenient fixed anti-dazzling screen is provided with the barrel, the inside of barrel is provided with baffle and stopper, anti-dazzling screen body accessible through-hole is put into to the barrel inside, the anti-dazzling screen body outside is provided with the extension, laminate with the inboard of stopper, it is rotatory to prevent anti-dazzling screen body, anti-dazzling screen body block is at the locating hole, prevent to take place the displacement, the upper end of barrel is provided with the rotary drum, can drive inboard movable sleeve during the rotation and reciprocate, the movable sleeve outside is provided with the briquetting, briquetting and extension upper end laminating when moving down, press from both sides tightly the anti-dazzling screen body, stability is improved, overall structure is simple, need not demolish the barrel whole and to change, it is more convenient to use.

Description

Convenient fixed lens

Technical Field

The utility model relates to the technical field of lenses, in particular to a conveniently fixed shading sheet.

Background

The lens is one of the important components of shooting equipment such as a camera, and a lens module generally comprises two lenses and a light shielding sheet, wherein the light shielding sheet is positioned between the two lenses and used for shielding redundant light so as to prevent stray light and improve the shooting effect of electronic equipment.

Most camera lens module all adopt the screw to connect now, need dismantle the camera lens is whole when changing the anti-dazzling screen get off, and anti-dazzling screen simple structure itself does not possess with the connection structure of camera lens, fixes inconvenient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a conveniently fixed anti-dazzling screen, which aims to solve the problems that most lens modules in the background technology are connected by screws, lenses are required to be completely disassembled when the anti-dazzling screen is replaced, and the anti-dazzling screen is simple in structure, does not have a connecting structure with the lenses and is inconvenient to fix.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a convenient fixed anti-dazzling screen, includes barrel and anti-dazzling screen body, the inboard of barrel is provided with the baffle, the upper end of baffle is provided with the stopper, the through-hole has been seted up to the avris of barrel, the locating hole has been seted up to the inside of baffle, the outside of anti-dazzling screen body upper end is provided with the extension, the inside of barrel is provided with lens one, the upper end of stopper is provided with the dead lever, the upper end of barrel is provided with the rotary drum, the inboard of rotary drum is provided with movable sleeve, movable sleeve's the outside is provided with connecting portion, movable sleeve's inboard is provided with lens two, the upper end of rotary drum is provided with the protection plate.

Preferably, the inner side of the lower end of the cylinder body is of a threaded structure, the circle centers of the cylinder body, the shading sheet body, the through hole, the first lens, the second lens and the protection sheet are located on the same vertical line, and the cylinder body is connected with the electronic equipment through threads at the bottom.

Preferably, the through-hole extends to the inside of barrel, the through-hole is located the upper end of baffle, the stopper is provided with two in the upper end symmetry of baffle, the through-hole runs through in the baffle, and the inside to the barrel is put into through the through-hole to the anti-dazzling screen body.

Preferably, the extension portion is attached to the upper end of the partition plate, the extension portion is attached to the inner side of the limiting block, the anti-dazzling screen body is attached to the inner side of the positioning hole, the lens is fixedly mounted at the lower end of the partition plate, the limiting block prevents the anti-dazzling screen body from rotating through the extension portion, and the positioning hole prevents the anti-dazzling screen body from translating.

Preferably, the fixed rods are respectively provided with two fixed rods at the upper end of the limiting block, the rotary drum is rotatably connected with the upper end of the drum body, and the rotary drum can rotate at the upper end of the drum body.

Preferably, movable sleeve and rotary drum are threaded connection, connecting portion are provided with two in movable sleeve's outside symmetry, connecting portion and dead lever are swing joint, movable sleeve's the outside is provided with the briquetting, the briquetting is laminated with the upper end of extension, and the dead lever carries on spacingly to movable sleeve through connecting portion, and the rotary drum drives movable sleeve through the screw thread when rotating and reciprocates, and movable sleeve passes through the briquetting and presss from both sides tightly the extension, improves the steadiness of anti-dazzling screen body.

Compared with the prior art, the utility model has the beneficial effects that: this convenient fixed anti-dazzling screen is provided with the barrel, the inside of barrel is provided with baffle and stopper, anti-dazzling screen body accessible through-hole is put into to the barrel inside, the anti-dazzling screen body outside is provided with the extension, laminate with the inboard of stopper, it is rotatory to prevent anti-dazzling screen body, anti-dazzling screen body block is at the locating hole, prevent to take place the displacement, the upper end of barrel is provided with the rotary drum, can drive inboard movable sleeve during the rotation and reciprocate, the movable sleeve outside is provided with the briquetting, briquetting and extension upper end laminating when moving down, press from both sides tightly the anti-dazzling screen body, stability is improved, overall structure is simple, need not demolish the barrel whole and to change, it is more convenient to use.

Drawings

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

FIG. 2 is a first schematic diagram of the internal structure of the present invention;

FIG. 3 is a second schematic view of the internal structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the present invention.

Wherein: 1. a barrel; 2. a light shielding sheet body; 3. a partition plate; 4. a limiting block; 5. a through hole; 6. positioning holes; 7. an extension portion; 8. a first lens; 9. fixing the rod; 10. a rotating drum; 11. a movable sleeve; 12. a connecting portion; 13. a second lens; 14. a protective sheet; 15. and (7) briquetting.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a conveniently fixed anti-dazzling screen comprises a cylinder body 1, an anti-dazzling screen body 2, a partition plate 3, a limiting block 4, a through hole 5, a positioning hole 6, an extending part 7, a first lens 8, a fixing rod 9, a rotary drum 10, a movable sleeve 11, a connecting part 12, a second lens 13, a protective sheet 14 and a pressing block 15, wherein the inner side of the lower end of the cylinder body 1 is of a threaded structure, the inner side of the cylinder body 1 is provided with the partition plate 3, the upper end of the partition plate 3 is provided with the limiting block 4, the lateral side of the cylinder body 1 is provided with the through hole 5, the inner part of the partition plate 3 is provided with the positioning hole 6, the through hole 5 extends to the inner part of the cylinder body 1, the through hole 5 is positioned at the upper end of the partition plate 3, the limiting block 4 is symmetrically arranged at the upper end of the partition plate 3, the through hole 5 penetrates through the partition plate 3, the outer side of the upper end of the anti-dazzling screen body 2 is provided with the extending part 7, the inner part of the cylinder body 1 is provided with the first lens 8, the extending part 7 attached to the upper end of the partition plate 3, the extending part 7 attached to the inner side of the limiting block 4, the lens I8 is fixedly arranged at the lower end of the partition plate 3, the barrel 1 is connected with electronic equipment through threads at the bottom, the lens body 2 is placed into the barrel 1 through the through hole 5, the limiting block 4 prevents the lens body 2 from rotating through the extending part 7, and the positioning hole 6 prevents the lens body 2 from translating;

the upper end of the limiting block 4 is provided with a fixed rod 9, the upper end of the barrel body 1 is provided with a rotary drum 10, the upper end of the limiting block 4 is respectively provided with two fixed rods 9, the upper ends of the rotary drum 10 and the barrel body 1 are rotatably connected, the inner side of the rotary drum 10 is provided with a movable sleeve 11, the outer side of the movable sleeve 11 is provided with a connecting part 12, the movable sleeve 11 and the rotary drum 10 are in threaded connection, the outer sides of the connecting parts 12 on the movable sleeve 11 are symmetrically provided with two connecting parts 12, the connecting parts 12 are movably connected with the fixed rods 9, the outer side of the movable sleeve 11 is provided with a pressing block 15, the pressing block 15 is attached to the upper end of the extension part 7, the rotary drum 10 can rotate at the upper end of the barrel body 1, the fixed rod 9 limits the movable sleeve 11 through the connecting parts 12, the rotary drum 10 drives the movable sleeve 11 to move up and down through threads when rotating, the movable sleeve 11 clamps the extension part 7 through the pressing block 15, and improves the stability of the shading sheet body 2;

the inner side of the movable sleeve 11 is provided with a second lens 13, the upper end of the rotary drum 10 is provided with a protective sheet 14, the circle centers of the drum body 1, the shading sheet body 2, the through hole 5, the first lens 8, the second lens 13 and the protective sheet 14 are located on the same vertical line, and external light rays sequentially penetrate through the second lens 13, the shading sheet body 2 and the first lens 8.

The working principle is as follows: firstly, the rotary drum 10 is rotated, the fixed rod 9 limits the movable sleeve 11 through the connecting part 12, the rotary drum 10 drives the movable sleeve 11 to move upwards through threads, when the pressing block 15 moves to the upper side of the through hole 5, the extending part 7 is aligned to the inner side of the limiting block 4, the shading sheet body 2 slides into the barrel 1, after the shading sheet body 2 moves to the central position, the extending part 7 moves downwards, the shading sheet body 2 is clamped in the positioning hole 6, after the shading sheet body 2 cannot translate, the rotary drum 10 rotates reversely, the movable sleeve 11 moves downwards, the pressing block 15 moves along with the rotating part and contacts with the upper end of the extending part 7, the shading sheet body 2 is pressed tightly to prevent falling off, when the dismounting is needed, the rotary drum 10 is rotated to drive the pressing block 15 to move upwards, and then the shading sheet body 2 can be taken out, the whole structure is simple, and the use is convenient.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a convenient fixed anti-dazzling screen, includes barrel (1) and anti-dazzling screen body (2), its characterized in that: the utility model discloses a lens barrel, including barrel (1), baffle (3), lens piece body (2), lens piece (11), the inboard of barrel (1) is provided with baffle (3), the upper end of baffle (3) is provided with stopper (4), through-hole (5) have been seted up to the avris of barrel (1), locating hole (6) have been seted up to the inside of baffle (3), the outside of anti-dazzling screen body (2) upper end is provided with extension (7), the inside of barrel (1) is provided with lens (8), the upper end of stopper (4) is provided with dead lever (9), the upper end of barrel (1) is provided with rotary drum (10), the inboard of rotary drum (10) is provided with movable sleeve (11), the outside of movable sleeve (11) is provided with connecting portion (12), the inboard of movable sleeve (11) is provided with lens two (13), the upper end of rotary drum (10) is provided with protective film (14).

2. A conveniently fixed gobo as claimed in claim 1, characterized in that: the inner side of the lower end of the cylinder body (1) is of a threaded structure, and the circle centers of the cylinder body (1), the shading sheet body (2), the through hole (5), the first lens (8), the second lens (13) and the protective sheet (14) are located on the same vertical line.

3. A conveniently fixed gobo as claimed in claim 1, characterized in that: through-hole (5) extend to the inside of barrel (1), through-hole (5) are located the upper end of baffle (3), stopper (4) are provided with two in the upper end symmetry of baffle (3), through-hole (5) run through in baffle (3).

4. A conveniently fixed gobo as claimed in claim 1, characterized in that: the lens is characterized in that the extending part (7) is attached to the upper end of the partition plate (3), the extending part (7) is attached to the inner side of the limiting block (4), the shading sheet body (2) is attached to the inner side of the positioning hole (6), and the first lens (8) is fixedly installed at the lower end of the partition plate (3).

5. A conveniently fixed gobo as claimed in claim 1, characterized in that: the upper ends of the fixed rods (9) at the limiting blocks (4) are respectively provided with two, and the rotary drum (10) is rotatably connected with the upper end of the drum body (1).

6. A conveniently fixed gobo as claimed in claim 1, characterized in that: the movable sleeve (11) is in threaded connection with the rotary drum (10), the two connecting portions (12) are symmetrically arranged on the outer side of the movable sleeve (11), the connecting portions (12) are movably connected with the fixed rod (9), a pressing block (15) is arranged on the outer side of the movable sleeve (11), and the pressing block (15) is attached to the upper end of the extending portion (7).