CN214983840U

CN214983840U - Circular high-transmittance protective film with steps

Info

Publication number: CN214983840U
Application number: CN202121256495.6U
Authority: CN
Inventors: 王志顺
Original assignee: Ningbo Shuntai Photoelectric Technology Co ltd
Current assignee: Ningbo Shuntai Photoelectric Technology Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-03
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a circular protection film that passes through of taking step type relates to camera lens protection film technical field, including first bubble cotton, second bubble cotton and high membrane of passing through, first through-hole has been seted up at the middle part between the cotton upper and lower two sides of first bubble, a plurality of air escape hole has evenly been seted up to the upper end of circumference in the first through-hole, the outside edge embedding of the cotton upper surface of first bubble has annular injection molding, a plurality of draw-in groove has been seted up with the mode of central symmetry to the upper surface of annular injection molding, high membrane laminating is at the cotton upper surface of first bubble, the outside of high membrane bottom surface of passing through has a plurality of fixture block with the mode butt fusion of central symmetry, the cotton laminating of second bubble is in the cotton bottom of first bubble to it has the double faced adhesive to bond between second bubble cotton and the first bubble cotton. Through first through-hole and the cooperation of second through-hole formation stair structure, can paint glue on the step and can glue on the lens to this can increase gluey district area, thereby make bonding that the protection film can be more firm on the camera lens module.

Description

Circular high-transmittance protective film with steps

Technical Field

The utility model relates to a camera lens protection film technical field especially relates to a circular high protection film that passes through of taking the step.

Background

Along with the popularization and application of intelligent electronic products, cameras applied to the electronic products are increasingly developed, the requirements are higher and higher, the performance is better and better, and before the cameras are assembled, a protective film needs to be attached to the cameras to avoid scratching lenses.

The bottom area of the current lens module is smaller, so that the end face glue area of foam on the protective film is smaller, the foam is not firmly bonded with the lens module and is easy to fall off, and a camera cannot be well protected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a circular high protection film that passes through of taking the step is glued the terminal surface that the district caused in order to solve the above-mentioned background art and is fallen off to and the high difficult problem of changing alone of membrane that passes through.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a circular high-transmittance protective film with steps comprises first foam, second foam and a high-transmittance film, wherein a first through hole is formed in the middle between the upper surface and the lower surface of the first foam, a plurality of air escape holes are uniformly formed in the upper end of the inner circumferential surface of the first through hole, an annular injection molding part is embedded in the outer edge of the upper surface of the first foam, a plurality of clamping grooves are formed in the upper surface of the annular injection molding part in a centrosymmetric mode, the high-transmittance film is attached to the upper surface of the first foam, a plurality of clamping blocks are welded to the outer side of the bottom surface of the high-transmittance film in a centrosymmetric mode, the second foam is attached to the bottom of the first foam, double-faced adhesive tape is bonded between the second foam and the first foam, a second through hole is formed in the middle between the upper surface and the lower surface of the second foam, the diameter of the second through hole is larger than that of the first through hole, and the second through hole and the first through hole are on the same axis, the second through hole and the first through hole are matched to form a step.

Further, the annular injection molding part is located on the outer side of the first through hole, and the high-permeability film is located right above the annular injection molding part and the first through hole.

Furthermore, a plurality of the clamping blocks are respectively inserted into a plurality of the clamping grooves.

Furthermore, a plurality of screws are uniformly inserted into the outer circumferential surface of the annular injection molding part in a centrosymmetric mode, and the inner sides of the screws penetrate through the clamping grooves and the clamping blocks.

Furthermore, the screw is internally provided with a vent hole, and the inner end surface and the outer end surface of the vent hole are both open ends.

Furthermore, the plurality of screws are respectively positioned at the outer sides of the plurality of air escape holes, and the vent hole and the air escape holes are positioned on the same axis and are communicated.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

the first through hole and the second through hole are respectively formed in the first foam and the second foam, the first through hole and the second through hole are matched to form a step structure, glue can be coated on the surface of a step and can be adhered to the lens, so that the area of a glue area can be increased, the protective film can be firmly adhered to the lens module, meanwhile, glue can be coated on the bottom surface of the second foam, and the protective film can be adhered to the step type lens module;

the clamping block of the high-permeability film is clamped with the clamping groove of the annular injection molding part, and if the high-permeability film is abraded, the high-permeability film can be replaced only by detaching the high-permeability film from the annular injection molding part, so that the first foam and the second foam are not required to be replaced together, and the high-permeability film is more convenient and faster to replace;

through alternate the screw between fixture block and draw-in groove, can prevent that fixture block and draw-in groove from taking place to become flexible, set up the air vent in the screw simultaneously, and the air vent communicates with each other with escaping the gas pocket, when the protection film is installed on the camera lens module for the inside and the outside formation circulation of air of first through-hole, second through-hole, the inside air of avoiding first through-hole, second through-hole is heated the inflation and leads to high transparent film to take place to bulge, ensures camera lens image quality.

Drawings

Fig. 1 is a schematic view of the front internal structure of the present invention.

Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a schematic view of a three-dimensional structure of the first foam of the present invention.

In FIGS. 1-4: 1-first foam, 101-first through hole, 102-air escape hole, 2-second foam, 201-second through hole, 3-double faced adhesive tape, 4-high-permeability membrane, 401-clamping block, 5-annular injection molding piece, 501-clamping groove, 6-screw, 601-air vent and 7-step.

Detailed Description

Please refer to fig. 1 to 4:

the utility model provides a circular protection film that passes through that takes step type height, including first bubble cotton 1, second bubble cotton 2 and high membrane 4 that passes through, first through-hole 101 has been seted up at the middle part between the upper and lower two sides of first bubble cotton 1, a plurality of escape vent 102 have evenly been seted up to the upper end of the inner peripheral face of first through-hole 101, the outside edge of first bubble cotton 1 upper surface embeds there is annular injection molding 5, the upper surface of annular injection molding 5 has seted up a plurality of draw-in grooves 501 with central symmetry's mode, high membrane 4 laminating is on the upper surface of first bubble cotton 1, the outside of high membrane 4 bottom surface that passes through welds a plurality of fixture blocks 401 with central symmetry's mode, second bubble cotton 2 laminating is in the bottom of first bubble cotton 1, and there is double faced adhesive 3 between second bubble cotton 2 and the first bubble cotton 1, the middle part between the upper and lower two sides of second bubble cotton 2 has seted up the second through-hole 201, the diameter of second through-hole 201 is greater than the diameter of first through-hole 101, the second through hole 201 and the first through hole 101 are on the same axis, and the second through hole 201 and the first through hole 101 are matched to form a step 7;

specifically, the annular injection molding part 5 is located on the outer side of the first through hole 101, the high-permeability film 4 is located over the annular injection molding part 5 and the first through hole 101, the clamping blocks 401 are respectively inserted into the clamping grooves 501, the screws 6 are evenly inserted into the outer circumferential surface of the annular injection molding part 5 in a centrosymmetric mode, the inner sides of the screws 6 penetrate through the clamping grooves 501 and the clamping blocks 401, the air vent 601 is formed in the screw 6, the inner end surface and the outer end surface of the air vent 601 are both open ends, the screws 6 are respectively located on the outer sides of the air escape holes 102, and the air vent 601 and the air escape holes 102 are located on the same axis and are communicated.

According to the above, the first through hole 101 and the second through hole 201 are respectively formed in the first foam 1 and the second foam 2, the first through hole 101 and the second through hole 201 are matched to form the step 7, glue can be coated on the surface of the step 7 and can be adhered to the lens module, so that the area of a glue area can be increased, the protective film can be more firmly adhered to the lens module, and meanwhile, glue can be coated on the bottom surface of the second foam 2, so that the protective film can be adhered to the step-type lens module;

by clamping the clamping block 401 of the high-permeability film 4 with the clamping groove 501 of the annular injection molding part 5, if the high-permeability film 4 is worn, the high-permeability film 4 can be replaced only by detaching the high-permeability film 4 from the annular injection molding part 501, so that the first foam 1 and the second foam 2 do not need to be replaced together, and the high-permeability film 4 is replaced more conveniently and quickly;

through alternate screw 6 between fixture block 401 and draw-in groove 501, can prevent that fixture block 401 and draw-in groove 501 from taking place to become flexible, set up air vent 601 in screw 6 simultaneously, and air vent 601 communicates with each other with escaping hole 102, when the protection film is installed on the lens module, make the inside and the outside formation circulation of air of first through-hole 101, second through-hole 102, avoid the inside air of first through-hole 101, second through-hole 102 to be heated the inflation and lead to highly penetrating membrane 4 to take place to bulge, ensure camera lens image quality.

Claims

1. The utility model provides a circular high protection film that passes through of taking the step, includes that first bubble is cotton (1), second bubble is cotton (2) and high membrane (4) of passing through, its characterized in that: a first through hole (101) is formed in the middle between the upper surface and the lower surface of the first foam (1), a plurality of air escape holes (102) are uniformly formed in the upper end of the inner circumferential surface of the first through hole (101), an annular injection molding piece (5) is embedded into the outer edge of the upper surface of the first foam (1), and a plurality of clamping grooves (501) are formed in the upper surface of the annular injection molding piece (5) in a centrosymmetric manner;

the high-permeability film (4) is attached to the upper surface of the first foam (1), and a plurality of fixture blocks (401) are welded to the outer side of the bottom surface of the high-permeability film (4) in a centrosymmetric mode;

the cotton (2) laminating of second bubble is in the bottom of first bubble cotton (1), and it has double faced adhesive tape (3) to bond between second bubble cotton (2) and first bubble cotton (1), second through-hole (201) have been seted up at the middle part between the cotton (2) upper and lower two sides of second bubble, the diameter of second through-hole (201) is greater than the diameter of first through-hole (101), and second through-hole (201) are in on the same axis with first through-hole (101), second through-hole (201) and first through-hole (101) cooperation form step (7).

2. The circular stepped high-transmittance protective film according to claim 1, characterized in that: the annular injection molding part (5) is located on the outer side of the first through hole (101), and the high-permeability film (4) is located right above the annular injection molding part (5) and the first through hole (101).

3. The circular stepped high-transmittance protective film according to claim 2, characterized in that: the clamping blocks (401) are respectively inserted into the clamping grooves (501).

4. The circular stepped high-transmittance protective film according to claim 3, wherein: the outer circumferential surface of the annular injection molding part (5) is evenly inserted with a plurality of screws (6) in a centrosymmetric mode, and the inner sides of the screws (6) penetrate through the clamping groove (501) and the clamping block (401).

5. The circular stepped high-transmittance protective film according to claim 4, wherein: the screw (6) is internally provided with a vent hole (601), and the inner end surface and the outer end surface of the vent hole (601) are both open ends.

6. The circular stepped high-transmittance protective film according to claim 5, wherein: the plurality of screws (6) are respectively positioned at the outer sides of the plurality of air escape holes (102), and the vent holes (601) and the air escape holes (102) are positioned on the same axis and are communicated.