CN108594397B - Infrared lens structure shocks resistance - Google Patents
Infrared lens structure shocks resistance Download PDFInfo
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- CN108594397B CN108594397B CN201810635408.4A CN201810635408A CN108594397B CN 108594397 B CN108594397 B CN 108594397B CN 201810635408 A CN201810635408 A CN 201810635408A CN 108594397 B CN108594397 B CN 108594397B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
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- General Physics & Mathematics (AREA)
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Abstract
The invention relates to the technical field of infrared lenses, in particular to an impact-resistant infrared lens structure which comprises a first outer lens barrel, a second outer lens barrel and a connecting seat, wherein one end of the first outer lens barrel is connected with the connecting seat, a rotary barrel is sleeved outside the first outer lens barrel, one end of the rotary barrel is coaxially connected with a connecting ring, the connecting ring is slidably installed in an annular groove outside the first outer lens barrel, one end of the second outer lens barrel is inserted into a gap between the rotary barrel and the first outer lens barrel, and the rotary barrel is in threaded connection with the second outer lens barrel; according to the invention, the lens and the inner lens cone are combined for production and assembly, when the lens is unqualified, only the inner lens cone needs to be disassembled and replaced, the installation difficulty is reduced, and meanwhile, the buffer gasket is arranged for buffering, so that the impact resistance effect can be achieved.
Description
Technical Field
The invention relates to the technical field of infrared lenses, in particular to an impact-resistant infrared lens structure.
Background
The existing infrared lens material is usually made of crystal materials such as germanium, silicon, zinc selenide and the like, and has the defect that the material is fragile and easy to damage, and measures are usually needed to prevent the lens from being cracked due to vibration impact. The fixing mode adopted at present is as follows: enlarging the fixed frame to form a gap between the frame and the lens; firstly, fixing the lens in the frame by using screws, and correcting and detecting by using an instrument so as to enable the lens to be in a correct position; then injecting silica gel (liquid rubber) into a gap (0.5-1 MM) between the lens and the frame, and curing after 24 hours; finally, taking out the screw after curing, and rechecking, wherein if the screw is unqualified, the infrared lens is very difficult to take out, and the lens is very easy to damage when the screw is taken out; and the installation of lens consumes time long, and work efficiency is low, and is low to the rate of utilization of retrieving of unqualified product, and manufacturing cost is high.
Disclosure of Invention
The invention aims to solve the defect of inconvenient installation in the prior art, and provides an impact-resistant infrared lens structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
designing an impact-resistant infrared lens structure, which comprises a first outer lens barrel, a second outer lens barrel and a connecting seat, wherein one end of the first outer lens barrel is connected with the connecting seat, a rotary barrel is sleeved outside the first outer lens barrel, one end of the rotary barrel is coaxially connected with a connecting ring, the connecting ring is slidably mounted in an annular groove outside the first outer lens barrel, one end of the second outer lens barrel is inserted into a gap between the rotary barrel and the first outer lens barrel, and the rotary barrel is in threaded connection with the second outer lens barrel;
a sliding groove is formed in the second outer lens cone, the other end of the first outer lens cone is inserted into the sliding groove, a plurality of convex edges vertically connected with the first outer lens cone are uniformly distributed on the outer wall of the first outer lens cone along the circumferential direction, and the convex edges are clamped in a guide groove which is arranged at the bottom of the sliding groove and is matched with the sliding groove in shape;
the other end of the second outer lens cone is provided with a mounting flaring, a second inner lens cone matched with the mounting flaring in shape is inserted into the mounting flaring, a second lens is fixedly mounted in the second inner lens cone, a sealing cover is mounted at the end part of the second outer lens cone in a threaded manner, one side of the second inner lens cone is abutted against the end surface of the sealing cover, and two end surfaces of the second inner lens cone are both connected with first buffer gaskets;
a first inner lens cone is installed in the connecting seat through a movable fixing mechanism, and a first lens is arranged in the first inner lens cone.
Preferably, the end face of the installation flaring is sleeved with a protective cover, the protective cover is connected with one end of a connecting rope, the other end of the connecting rope is connected with a connecting ring, and the connecting ring is fixedly connected with the outer wall of the second outer lens barrel.
Preferably, a cushion pad is arranged between the second inner lens cone and the inner wall of the installation flaring, the cushion pad is made of silica gel, the edge of the second lens is clamped in a first clamping groove which is arranged on the inner wall of the second inner lens cone and is matched with the second inner lens cone in shape, and the edge of the second lens is fixed with the first clamping groove through the silica gel.
Preferably, the movable fixing mechanism comprises a pressing ring, the pressing ring is connected with the connecting seat through a plurality of connecting nails, the first inner lens cone is conical and is inserted into a slot which is arranged in the first outer lens cone and matched with the outer wall in shape, an annular ring is arranged at the end part of the first inner lens cone and is clamped between the pressing ring and the inner wall of the connecting seat, and a third buffer gasket is clamped between the annular ring and the inner wall of the connecting seat.
Preferably, the connecting nail is sleeved with a second buffer washer on the part between the pressing ring and the connecting seat.
Preferably, the edge of the first lens is clamped in a second clamping groove which is arranged on the inner wall of the first inner lens barrel and is matched with the first inner lens barrel in shape, and the edge of the first lens is fixed with the second clamping groove through silica gel.
The impact-resistant infrared lens structure provided by the invention has the beneficial effects that: according to the invention, the lens and the inner lens cone are combined for production and assembly, when the lens is unqualified, only the inner lens cone needs to be disassembled and replaced, the installation difficulty is reduced, and meanwhile, the buffer gasket is arranged for buffering, so that the impact resistance effect can be achieved.
Drawings
FIG. 1 is a schematic structural diagram of an impact-resistant infrared lens structure according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is a schematic structural diagram at B in fig. 1.
In the figure: the mounting flaring 1, the connecting ring 2, the first outer lens barrel 3, the first inner lens barrel 4, the first lens 5, the pressing ring 6, the connecting nail 7, the connecting seat 8, the convex rib 9, the rotary barrel 10, the guide groove 11, the second outer lens barrel 12, the sliding groove 13, the protective cover 14, the second lens 15, the connecting rope 16, the buffer cushion 17, the second inner lens barrel 18, the first buffer washer 19, the retainer ring 20, the first clamping groove 21, the second clamping groove 22, the connecting ring 23, the second buffer washer 24 and the third buffer washer 25.
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.
Referring to fig. 1-3, an impact-resistant infrared lens structure includes a first outer barrel 3, a second outer barrel 12, and a connecting seat 8, wherein one end of the first outer barrel 3 is connected to the connecting seat 8, a rotating barrel 10 is sleeved outside the first outer barrel 3, one end of the rotating barrel 10 is coaxially connected to a connecting ring 23, the connecting ring 23 is slidably mounted in an annular groove outside the first outer barrel 3, one end of the second outer barrel 12 is inserted into a gap between the rotating barrel 10 and the first outer barrel 3, and the rotating barrel 10 is in threaded connection with the second outer barrel 12. The inside of the second outer lens cone 12 is provided with a sliding chute 13, the other end of the first outer lens cone 3 is inserted into the sliding chute 13, a plurality of convex ribs 9 vertically connected with the first outer lens cone 3 are uniformly distributed on the outer wall of the first outer lens cone 3 along the circumferential direction, and the convex ribs 9 are clamped in a guide groove 11 which is arranged at the bottom of the sliding chute 13 and is matched with the shape of the convex ribs. By rotating the rotary cylinder 10, the first outer barrel 3 slides along the inside of the sliding groove 13 under the guiding action of the convex ribs 9 and the guiding grooves 11, so that the focal length can be conveniently adjusted.
The other end of the second outer lens cone 12 is provided with a mounting flared opening 1, a second inner lens cone 18 matched with the mounting flared opening 1 in shape is inserted in the mounting flared opening 1, a second lens 15 is fixedly mounted in the second inner lens cone 18, a sealing cover 20 is mounted at the end part of the second outer lens cone 12 in a threaded manner, one side of the second inner lens cone 18 abuts against the end face of the sealing cover 20, and two end faces of the second inner lens cone 18 are both connected with first buffer gaskets 19. The second inner barrel 18 can be conveniently mounted and dismounted through the locking sealing cover 20, and therefore the second lens 15 can be conveniently replaced. The first cushion ring 19 plays a role of cushion protection, and increases the impact resistance of the lens.
The end face of the mounting flaring 1 is sleeved with a protective cover 14, the protective cover 14 is connected with one end of a connecting rope 16, the other end of the connecting rope 16 is connected with a connecting ring 2, and the connecting ring 2 is fixedly connected with the outer wall of the second outer lens barrel 12. The protective cover 14 functions as a dust-proof protection.
A buffer cushion 17 is arranged between the second inner lens cone 18 and the inner wall of the mounting flaring 1, the buffer cushion 17 is made of silica gel, the edge of the second lens 15 is clamped in a first clamping groove 21 which is arranged on the inner wall of the second inner lens cone 18 and is matched with the second inner lens cone in shape, and the edge of the second lens 15 is fixed with the first clamping groove 21 through the silica gel. The cushion pad 17 functions as a cushion protection.
The first inner lens cone 4 is installed in the connecting seat 8 through a movable fixing mechanism, and a first lens 5 is arranged in the first inner lens cone 4. The movable fixing mechanism comprises a pressing ring 6, the pressing ring 6 is connected with a connecting seat 8 through a plurality of connecting nails 7, the first inner lens cone 4 is conical and is inserted into a slot which is arranged in the first outer lens cone 3 and is matched with the shape of the outer wall, an annular ring is arranged at the end part of the first inner lens cone 4 and is clamped between the pressing ring 6 and the inner wall of the connecting seat 8, and a third buffer gasket 25 is clamped between the annular ring and the inner wall of the connecting seat 8. Can conveniently carry out the dismouting to first inner barrel 4 through locking clamping ring 6 to the convenience is replaced first lens 5. The first inner lens cone 4 is conical, so that positioning is facilitated, and the third buffer gasket 25 plays a role in buffer protection and improves the shock resistance of the lens.
The part of the connecting nail 7 between the press ring 6 and the connecting seat 8 is sleeved with a second buffer gasket 24. The edge of the first lens 5 is clamped in a second clamping groove 22 which is arranged on the inner wall of the first inner lens barrel 4 and is matched with the inner wall in shape, and the edge of the first lens 5 is fixed with the second clamping groove 22 through silica gel.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides an infrared lens structure shocks resistance, includes first outer lens cone (3), second outer lens cone (12), connecting seat (8), its characterized in that: one end of the first outer lens cone (3) is connected with the connecting seat (8), a rotary cylinder (10) is sleeved outside the first outer lens cone (3), one end of the rotary cylinder (10) is coaxially connected with a connecting ring (23), the connecting ring (23) is slidably mounted in an annular groove outside the first outer lens cone (3), one end of the second outer lens cone (12) is inserted into a gap between the rotary cylinder (10) and the first outer lens cone (3), and the rotary cylinder (10) is in threaded connection with the second outer lens cone (12);
a sliding groove (13) is formed in the second outer lens cone (12), the other end of the first outer lens cone (3) is inserted into the sliding groove (13), a plurality of protruding ribs (9) vertically connected with the first outer lens cone (3) are uniformly distributed on the outer wall of the first outer lens cone (3) along the circumferential direction, and the protruding ribs (9) are clamped in a guide groove (11) which is formed in the bottom of the sliding groove (13) and is matched with the sliding groove in shape;
the other end of the second outer lens cone (12) is provided with a mounting flaring (1), a second inner lens cone (18) matched with the mounting flaring (1) in shape is inserted into the mounting flaring (1), a second lens (15) is fixedly mounted in the second inner lens cone (18), a sealing cover (20) is mounted at the end part of the second outer lens cone (12) in a threaded manner, one side of the second inner lens cone (18) abuts against the end face of the sealing cover (20), and two end faces of the second inner lens cone (18) are connected with first buffer gaskets (19);
a first inner lens cone (4) is installed in the connecting seat (8) through a movable fixing mechanism, and a first lens (5) is arranged in the first inner lens cone (4).
2. The impact-resistant infrared lens structure of claim 1, characterized in that: the end face of the installation flaring (1) is sleeved with a protective cover (14), the protective cover (14) is connected with one end of a connecting rope (16), the other end of the connecting rope (16) is connected with a connecting ring (2), and the connecting ring (2) is fixedly connected with the outer wall of a second outer lens barrel (12).
3. The impact-resistant infrared lens structure of claim 1, characterized in that: be equipped with between the inner wall of second inner barrel (18) and installation flaring (1) blotter (17), blotter (17) are made for silica gel, the edge of second lens (15) all clamps in first draw-in groove (21) that the shape matches that set up on second inner barrel (18) inner wall, the edge of second lens (15) is fixed with first draw-in groove (21) through silica gel.
4. The impact-resistant infrared lens structure of claim 1, characterized in that: the movable fixing mechanism comprises a pressing ring (6), the pressing ring (6) is connected with the connecting seat (8) through a plurality of connecting nails (7), the first inner lens cone (4) is conical and is inserted into a slot which is arranged in the first outer lens cone (3) and matched with the shape of the outer wall of the first outer lens cone, the end part of the first inner lens cone (4) is provided with an annular ring, the annular ring is clamped between the pressing ring (6) and the inner wall of the connecting seat (8), and a third buffer gasket (25) is clamped between the annular ring and the inner wall of the connecting seat (8).
5. The impact-resistant infrared lens structure according to claim 4, characterized in that: the connecting nail (7) is sleeved with a second buffer gasket (24) at the part between the pressing ring (6) and the connecting seat (8).
6. The impact-resistant infrared lens structure according to claim 4, characterized in that: the edge of the first lens (5) is clamped in a second clamping groove (22) which is arranged on the inner wall of the first inner lens barrel (4) and is matched with the first inner lens barrel in shape, and the edge of the first lens (5) is fixed with the second clamping groove (22) through silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810635408.4A CN108594397B (en) | 2018-06-20 | 2018-06-20 | Infrared lens structure shocks resistance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810635408.4A CN108594397B (en) | 2018-06-20 | 2018-06-20 | Infrared lens structure shocks resistance |
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| Publication Number | Publication Date |
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| CN108594397A CN108594397A (en) | 2018-09-28 |
| CN108594397B true CN108594397B (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810635408.4A Active CN108594397B (en) | 2018-06-20 | 2018-06-20 | Infrared lens structure shocks resistance |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021134297A1 (en) * | 2019-12-30 | 2021-07-08 | 诚瑞光学(常州)股份有限公司 | Lens holder, lens module and assembly method therefor |
| CN112068280A (en) * | 2020-10-14 | 2020-12-11 | 重庆镜辰美科技有限公司 | Optical lens convenient to adjust |
| CN113485059B (en) * | 2021-07-07 | 2022-09-02 | 济南最智慧科技有限公司 | Method and apparatus for ambient light rejection |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201383027Y (en) * | 2009-03-30 | 2010-01-13 | 北京蓝思泰克科技有限公司 | Far infrared athermalizing optical system |
| CN204143034U (en) * | 2014-09-23 | 2015-02-04 | 宁波舜宇红外技术有限公司 | The mixing of LONG WAVE INFRARED optical-mechanical is without thermalization camera lens |
| CN204462500U (en) * | 2015-03-13 | 2015-07-08 | 昆明全波红外科技有限公司 | A kind of shock resistance infrared lens structure |
| CN106896484B (en) * | 2017-04-20 | 2022-05-27 | 福建福光天瞳光学有限公司 | Large-caliber mechanical passive athermal infrared telephoto lens and use method thereof |
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Effective date of registration: 20230614 Address after: Room 501, Building 1, No. 99 Jinghai East Road, Chang'an Town, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan Yutong Jiuzhou Optical Co.,Ltd. Address before: 441000 Yongquan Industrial Park, Nanzhang Economic Development Zone, Xiangyang City, Hubei Province Patentee before: XIANGYANG XIONGSHI PHOTOELECTRIC TECHNOLOGY Co.,Ltd. |