CN218767514U

CN218767514U - Double-piece type thin optical lens group

Info

Publication number: CN218767514U
Application number: CN202223356813.3U
Authority: CN
Inventors: 胡汉民; 胡文杰; 张宏伟; 刘荣强; 蒋传洲; 周立新
Original assignee: Danyang Jinxing Optical Instrument Co ltd
Current assignee: Danyang Jinxing Optical Instrument Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-03-28
Anticipated expiration: 2032-12-15

Abstract

The utility model belongs to the technical field of optical lens group, in particular to a double-piece type thinned optical lens group, one end of a lens sleeve positioned in an outer sleeve is provided with a first sealing groove, a first sealing rubber ring is arranged in the first sealing groove and is contacted with the inner surface of the outer sleeve, the end part of the lens sleeve is provided with an optical convex lens through a positioning piece, a sealing piece is also arranged between the lens sleeve and the optical convex lens, and the outer sleeve is provided with a pressure relief mechanism; the optical convex lens is arranged at the end part of the lens sleeve through the positioning piece, and meanwhile, a sealing piece is arranged between the lens sleeve and the optical convex lens, so that the stability of the optical convex lens arranged at the end part of the lens sleeve is improved, dust is prevented from entering the outer sleeve and the lens sleeve simultaneously, and when the lens sleeve is convenient to move in the outer sleeve, the inner cavities of the outer sleeve and the lens sleeve flow through the pressure relief mechanism.

Description

Double-piece type thin optical lens group

Technical Field

The utility model belongs to the technical field of the optical lens group, concretely relates to slim optical lens group of double-plate type.

Background

The optical lens group is made of optical glass, a sleeve is additionally arranged on the optical glass to form the optical lens group, and the optical glass is prepared by mixing oxides of high-purity silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and the like according to a specific formula, melting the mixture in a platinum crucible at a high temperature, uniformly stirring the mixture by using ultrasonic waves and removing bubbles; and then slowly cooling for a long time to prevent the glass block from generating internal stress. And optical lens group is when using, the positional stability to optical lens is not enough, adopt the mode of lens self joint, shift appears easily when the lens is received the extrusion, cause optical lens's focus to appear the skew, the sealing performance of being connected is not enough between lens and the sleeve simultaneously, cause the inboard collection dirt of optical lens easily, thereby influence optical lens and observe, when the sleeve carries out tensile removal simultaneously, because the inside volume change of sleeve, outside air gets into easily, also cause the problem of collection dirt in the optical lens easily.

Therefore, the optical lens group is designed, has high sealing performance, is stable in lens positioning and is convenient for pressure relief.

SUMMERY OF THE UTILITY MODEL

To solve the problems raised in the background art described above. The utility model provides a thin optics lens group of double-disk.

In order to achieve the above object, the utility model provides a following technical scheme: a double-piece type thinned optical lens group comprises an outer sleeve and lens sleeves movably mounted in the two ends of the outer sleeve, wherein one end, positioned in the outer sleeve, of each lens sleeve is provided with a first sealing groove, a first sealing rubber ring is mounted in each first sealing groove and is in contact with the inner surface of the outer sleeve, an optical convex lens is mounted at the end part of each lens sleeve through a positioning piece, a sealing piece is further arranged between each lens sleeve and each optical convex lens, and a pressure relief mechanism is arranged on the outer sleeve;

the positioning piece comprises a positioning clamping groove formed in the inner side surface of the optical convex lens, which is positioned on the lens sleeve, and a positioning hoop clamped and connected by the positioning clamping groove, and the positioning hoop is in contact with the inner side surface of the optical convex lens;

the sealing element comprises a second sealing groove formed in the outer edge of the optical convex lens and a second sealing rubber ring arranged on the inner surface of the second sealing groove, the second sealing rubber ring is in contact with the inner surface of the lens sleeve, a third sealing groove formed in the surface of the lens sleeve and a third sealing rubber ring arranged in the third sealing groove, and the third sealing rubber ring is in contact with the outer surface of the optical convex lens;

the pressure relief mechanism comprises an outer sleeve surface, a pressure relief hole and a filtering piece, wherein the pressure relief hole is formed in the surface of the outer sleeve in a penetrating mode, the outer surface of the outer sleeve is provided with the filtering piece, the filtering piece comprises a sleeve welded to the outer surface of the outer sleeve, the sleeve is communicated with the pressure relief hole, a sleeve cover screwed to the end of the sleeve is arranged, and the filtering cotton is fixed in the sleeve.

As the utility model discloses a preferred technical scheme of double-disk thin optics lens group, the middle part of outer sleeve is provided with optics concave mirror, and offers the injecting glue groove that is used for paining glue between optics concave mirror and the outer sleeve.

As the utility model discloses a preferred technical scheme of double-disc thin type optics lens group, optics concave mirror is the concave lens of single face.

As the utility model discloses a preferred technical scheme of double-disk thin optical lens group, filter and be provided with two, and two filter about optics concave mirror symmetry.

As the utility model discloses a preferred technical scheme of double-disk type slimming optical lens group, the one end surface integrated into one piece that the outer sleeve was kept away from to the lens sleeve has the sand grip.

As the utility model discloses a preferred technical scheme of double-disk thin optics lens group, two optics convex lens piece is single face convex lens, and the convex surface direction of two optics convex lens pieces is the same.

Compared with the prior art, the beneficial effects of the utility model are that: the optical convex lens is arranged at the end part of the lens sleeve through the positioning piece, and the sealing piece is arranged between the lens sleeve and the optical convex lens, so that the stability of the optical convex lens arranged at the end part of the lens sleeve is improved, and meanwhile, dust is prevented from entering the outer sleeve and the lens sleeve, the pressure relief mechanism arranged on the outer sleeve is convenient for the inner cavities of the outer sleeve and the lens sleeve to flow through the pressure relief mechanism when the lens sleeve moves in the outer sleeve, so as to prevent the change of the inner air pressure caused by the stretching or the compression of the outer sleeve and the lens sleeve, the positioning piece comprises a positioning clamping groove arranged on the inner surface of the lens sleeve and a positioning hoop clamped in the positioning clamping groove, thereby facilitating the positioning of the positioning hoop to the optical convex lens, the sealing element comprises a second sealing groove arranged at the edge of the optical convex lens, and a second sealing rubber ring arranged in the second sealing groove is contacted with the inner surface of the lens sleeve, a third sealing rubber ring is arranged in a third sealing groove arranged on the inner surface of the lens sleeve and is contacted with the outer surface of the optical convex lens, thereby the second sealing rubber ring and the third sealing rubber ring are matched to seal the space between the lens sleeve and the optical convex lens, the sealing performance of the connection between the lens sleeve and the optical convex lens is improved, the pressure relief mechanism comprises a pressure relief hole formed by penetrating the outer sleeve and a filter piece arranged on the surface of the outer sleeve, meanwhile, the filtering piece comprises a sleeve welded on the outer surface of the outer sleeve, the sleeve is communicated with the pressure relief hole, the filter cotton is arranged in the sleeve, and the upper end of the sleeve is screwed with the cylinder cover, so that the cylinder cover can conveniently position the filter cotton arranged in the sleeve, thereby be convenient for filter pulp to filter the inside air that gets into the outer sleeve, prevent that the inside dust that gets into of outer sleeve and lens sleeve from causing the pollution to optics convex lens.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the principles of the invention. In the drawings:

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

fig. 2 is a schematic cross-sectional structure diagram of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

in the figure: 1. an outer sleeve; 2. a lens sleeve; 3. an optically convex lens; 4. an optical concave mirror; 5. injecting a glue groove; 6. a pressure relief vent; 7. a filter member; 71. a sleeve; 72. a cylinder cover; 73. filtering cotton; 8. a first seal groove; 9. a first sealant ring; 10. positioning the clamping groove; 11. positioning a clamp; 12. a second seal groove; 13. a second sealing rubber ring; 14. a third seal groove; 15. a third seal rubber ring; 16. and (4) raised strips.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a double-piece type thin optical lens group comprises an outer sleeve 1 and lens sleeves 2 movably mounted in the two ends of the outer sleeve 1, wherein one ends of the lens sleeves 2, which are positioned in the outer sleeve 1, are provided with first sealing grooves 8, first sealing rubber rings 9 are mounted in the first sealing grooves 8, the first sealing rubber rings 9 are in contact with the inner surface of the outer sleeve 1, the end parts of the lens sleeves 2 are provided with optical convex lenses 3 through positioning pieces, sealing pieces are further arranged between the lens sleeves 2 and the optical convex lenses 3, and the outer sleeve 1 is provided with a pressure relief mechanism; the optical convex lens 3 is arranged at the end part of the lens sleeve 2 through the positioning piece, meanwhile, a sealing piece is arranged between the lens sleeve 2 and the optical convex lens 3, the stability of the optical convex lens 3 arranged at the end part of the lens sleeve 2 is improved, meanwhile, dust is prevented from entering the outer sleeve 1 and the lens sleeve 2, and the pressure relief mechanism arranged on the outer sleeve 1 is convenient for the lens sleeve 2 to move in the outer sleeve 1, cavities in the outer sleeve 1 and the lens sleeve 2 flow through the pressure relief mechanism, and the change of internal air pressure caused by stretching or compression of the outer sleeve 1 and the lens sleeve 2 is prevented.

The positioning piece comprises a positioning clamping groove 10 formed in the inner side surface of the optical convex lens 3 of the lens sleeve 2 and a positioning hoop 11 clamped and connected by the positioning clamping groove 10, and the positioning hoop 11 is in contact with the inner side surface of the optical convex lens 3; the positioning member includes a positioning slot 10 formed on the inner surface of the lens sleeve 2 and a positioning clamp 11 clamped inside the positioning slot 10, so that the positioning clamp 11 can position the optical convex lens 3 conveniently.

The sealing element comprises a second sealing groove 12 formed in the outer edge of the optical convex lens 3, a second sealing rubber ring 13 arranged on the inner surface of the second sealing groove 12, the second sealing rubber ring 13 is in contact with the inner surface of the lens sleeve 2, a third sealing groove 14 formed in the surface of the lens sleeve 2, and a third sealing rubber ring 15 arranged in the third sealing groove 14, and the third sealing rubber ring 15 is in contact with the outer surface of the optical convex lens 3; the sealing element comprises a second sealing groove 12 formed in the edge of the convex optical lens 3, a second sealing rubber ring 13 arranged in the second sealing groove 12 is in contact with the inner surface of the lens sleeve 2, a third sealing rubber ring 15 is arranged in a third sealing groove 14 formed in the inner surface of the lens sleeve 2, and the third sealing rubber ring 15 is in contact with the outer surface of the convex optical lens 3, so that the second sealing rubber ring 13 and the third sealing rubber ring 15 are matched to seal the space between the lens sleeve 2 and the convex optical lens 3, and the sealing performance of the connection between the lens sleeve 2 and the convex optical lens 3 is improved.

Pressure relief mechanism includes that outer sleeve 1 surface runs through the pressure release hole 6 of seting up, and the filter piece 7 that outer sleeve 1 surface set up, it includes the sleeve 71 of welding at outer sleeve 1 surface to filter piece 7, and sleeve 71 and pressure release hole 6 communicate, and the cover 72 that the sleeve 71 tip closes soon, the fixed filter pulp 73 of sleeve 71 internally mounted, and pressure relief mechanism includes that outer sleeve 1 runs through the pressure release hole 6 of seting up, and set up the filter piece 7 on outer sleeve 1 surface, it includes the sleeve 71 of welding at outer sleeve 1 surface to filter piece 7 simultaneously, and sleeve 71 and pressure release hole 6 communicate, and install filter pulp 73 in the sleeve 71, cover 72 has closed soon in sleeve 71 upper end, the filter pulp 73 of installation in the sleeve 71 of being convenient for cover 72 fixes a position, thereby be convenient for filter pulp 73 and filter the inside air that gets into outer sleeve 1, prevent that the inside entering dust of outer sleeve 1 and sleeve 2 from causing the pollution to optical convex lens 3.

Specifically, the middle part of the outer sleeve 1 is provided with an optical concave mirror 4, and a glue injection groove 5 for coating glue is formed between the optical concave mirror 4 and the outer sleeve 1.

Specifically, the optical concave mirror 4 is a single-sided concave lens.

Specifically, two filter members 7 are provided, and the two filter members 7 are symmetrical with respect to the optical concave mirror 4.

Specifically, a convex strip 16 is integrally formed on the outer surface of one end of the lens sleeve 2 away from the outer sleeve 1.

Specifically, the two optical convex lenses 3 are both single-sided convex lenses, and the convex directions of the two optical convex lenses 3 are the same.

The utility model discloses a theory of operation and use flow: during installation, the third sealing rubber ring 15 is installed inside the third sealing groove 14, the second sealing rubber ring 13 is installed inside the second sealing groove 12, the convex optical lens 3 is installed inside the lens sleeve 2, the positioning clamp 11 is clamped inside the positioning clamping groove 10, the positioning clamp 11 is used for positioning the convex optical lens 3, meanwhile, the second sealing rubber ring 13 and the third sealing rubber ring 15 are matched for sealing between the lens sleeve 2 and the convex optical lens 3, the concave optical lens 4 is installed in the middle of the outer sleeve 1, glue is injected into the glue injection groove 5 between the concave optical lens 4 and the outer sleeve 1, the concave optical lens 4 is fixed inside the outer sleeve 1, the two convex optical lenses 3 are installed at two ends of the outer sleeve 1, the filter cotton 73 is installed inside the sleeve 71, and the sleeve cover 72 is screwed at the end of the sleeve 71.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thin optical lens group of double-piece formula, includes outer sleeve (1) to and outer sleeve (1) both ends inside movable mounting's lens sleeve (2), first seal groove (8) have been seted up to the one end that lens sleeve (2) are located outer sleeve (1), and install first sealed ring (9) of gluing in first seal groove (8), and the internal surface contact of first sealed ring (9) and outer sleeve (1), its characterized in that: an optical convex lens (3) is mounted at the end part of the lens sleeve (2) through a positioning piece, a sealing piece is further arranged between the lens sleeve (2) and the optical convex lens (3), and a pressure relief mechanism is arranged on the outer sleeve (1);

the positioning piece comprises a positioning clamping groove (10) formed in the inner side surface of the optical convex lens (3) of the lens sleeve (2) and a positioning hoop (11) clamped and connected by the positioning clamping groove (10), and the positioning hoop (11) is in contact with the inner side surface of the optical convex lens (3);

the sealing element comprises a second sealing groove (12) formed in the outer edge of the optical convex lens (3), a second sealing rubber ring (13) arranged on the inner surface of the second sealing groove (12), the second sealing rubber ring (13) is in contact with the inner surface of the lens sleeve (2), a third sealing groove (14) formed in the surface of the lens sleeve (2) and a third sealing rubber ring (15) arranged in the third sealing groove (14), and the third sealing rubber ring (15) is in contact with the outer surface of the optical convex lens (3);

pressure relief mechanism includes that outer sleeve (1) surface runs through pressure release hole (6) of seting up to and filter piece (7) that outer sleeve (1) surface set up, filter piece (7) including welding sleeve (71) at outer sleeve (1) surface, and sleeve (71) and pressure release hole (6) intercommunication to and cover (72) that sleeve (71) tip was screwed, fixed filter pulp (73) of sleeve (71) internally mounted.

2. The two-piece thin optical lens assembly of claim 1, wherein: an optical concave mirror (4) is arranged in the middle of the outer sleeve (1), and a glue injection groove (5) used for coating glue is formed between the optical concave mirror (4) and the outer sleeve (1).

3. The two-piece thin optical lens assembly of claim 2, wherein: the optical concave mirror (4) is a single-sided concave lens.

4. The two-piece thin optical lens assembly of claim 3, wherein: the two filtering pieces (7) are arranged, and the two filtering pieces (7) are symmetrical about the optical concave mirror (4).

5. The two-piece thin optical lens assembly of claim 3, wherein: a protruding strip (16) is integrally formed on the outer surface of one end, away from the outer sleeve (1), of the lens sleeve (2).

6. The two-piece thin optical lens assembly of claim 1, wherein: the two optical convex lenses (3) are single-sided convex lenses, and the convex directions of the two optical convex lenses (3) are the same.