CN213021221U - Focusing limiting waterproof eyepiece - Google Patents
Focusing limiting waterproof eyepiece Download PDFInfo
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- CN213021221U CN213021221U CN202021024018.2U CN202021024018U CN213021221U CN 213021221 U CN213021221 U CN 213021221U CN 202021024018 U CN202021024018 U CN 202021024018U CN 213021221 U CN213021221 U CN 213021221U
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- eyepiece
- lens barrel
- shaped ring
- annular groove
- hand wheel
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Abstract
The utility model discloses a spacing waterproof eyepiece can focus, include: the eye lens comprises an eyepiece main lens barrel, a focusing hand wheel, a guide stud, an eyepiece lens barrel, an eyepiece lens, an eye patch interface, a second O-shaped ring, a third O-shaped ring and a fourth O-shaped ring; the eyepiece lens barrel is sleeved in the eyepiece main lens barrel; the guide stud is arranged in a radial threaded hole of the eyepiece main lens barrel; the focusing hand wheel is sleeved outside the eyepiece lens barrel and the eyepiece main lens barrel; an internal thread at one end of the focusing hand wheel is matched with an external thread of the eyepiece main lens barrel, and the other end of the focusing hand wheel is arranged in an annular groove of the eyepiece lens barrel through a sliding ring; the eyepiece lens is arranged in the eyepiece lens barrel; the second O-shaped ring is arranged between the contact surfaces of the eyepiece lens barrel and the eyepiece main lens barrel; the fourth O-shaped ring is arranged between the contact surfaces of the eyepiece lens barrel and the focusing hand wheel; the third O-shaped ring is arranged between the contact surfaces of the eyepiece main lens barrel and the focusing hand wheel; the utility model discloses focusing is simple, can improve the waterproof grade of eyepiece of gun sight simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the photoelectricity, concretely relates to spacing waterproof eyepiece can focus.
Background
The gun sight is required to work under strong rainfall, so that the requirements on air tightness and water tightness are high. The existing eyepiece focusing mode generally uses a screw or a gear for focusing, the structural part of the mode is complex to process, the requirement on the grade of a waterproof function is lower, some guide screws are used for forming threaded holes in an eyepiece lens barrel, and a guide groove is formed in an eyepiece main lens barrel, so that water is easily seeped obviously.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a can focus spacing waterproof eyepiece, the focusing is simple, can improve the waterproof grade of eyepiece of gun sight mirror simultaneously.
The utility model discloses a realize through following technical scheme:
a focusable, position-limiting, waterproof eyepiece comprising: the eye lens comprises an eyepiece main lens barrel, a focusing hand wheel, a guide stud, an eyepiece lens barrel, an eyepiece lens, an eye patch interface, an OLED screen, a second O-shaped ring, a third O-shaped ring, a fourth O-shaped ring, a sliding ring and an eye patch;
a radial threaded hole is formed in the middle of the eyepiece main lens barrel, and an external thread is formed on the outer circumferential surface of the eyepiece main lens barrel;
one end of the outer circumference of the eyepiece lens barrel is provided with a guide groove along the axial direction of the eyepiece lens barrel, and the other end of the eyepiece lens barrel is provided with an annular groove along the circumferential direction of the eyepiece lens barrel;
an internal thread is processed at one end of the focusing hand wheel, and a sliding ring is coaxially fixed on the inner circumferential surface of the other end of the focusing hand wheel;
the eyepiece lens barrel is sleeved in the eyepiece main lens barrel and is in sliding fit with the eyepiece main lens barrel; the guide stud is arranged in a radial threaded hole of the eyepiece main lens barrel, and the tail end of the guide stud extends out of the radial threaded hole and then is in sliding fit with a guide groove of the eyepiece main lens barrel;
the focusing hand wheel is sleeved outside the integral structure formed by the eyepiece lens barrel and the eyepiece main lens barrel; an internal thread at one end of the focusing hand wheel is matched with an external thread of the eyepiece main lens barrel, and a sliding ring at the other end of the focusing hand wheel is arranged in an annular groove of the eyepiece lens barrel;
the OLED screen is fixed at the end part of one end of the eyepiece main lens barrel, which is not provided with the eyepiece lens barrel; the eyepiece lens is arranged in the eyepiece lens barrel; the eye patch is coaxially arranged at one end part of the eyepiece main lens barrel, which extends out of the eyepiece main lens barrel, through an eye patch interface;
an annular groove B and an annular groove D are respectively processed on the outer circumferential surfaces of the two ends of the eyepiece lens barrel along the circumferential direction of the eyepiece lens barrel, a second O-shaped ring is installed in the annular groove B, and a fourth O-shaped ring is installed in the annular groove D; the second O-shaped ring is positioned between the contact surfaces of the eyepiece lens barrel and the eyepiece main lens barrel; the fourth O-shaped ring is positioned between the contact surfaces of the eyepiece lens barrel and the focusing hand wheel;
an annular groove C is formed in the outer circumferential surface of the eyepiece main lens barrel along the circumferential direction of the eyepiece main lens barrel, and the annular groove C is located between a radial threaded hole of the eyepiece main lens barrel and the end of the OLED screen; and a third O-shaped ring is arranged in the annular groove C and is positioned between the contact surfaces of the eyepiece main lens barrel and the focusing hand wheel.
Furthermore, a circle of silicon rubber is coated on the contact part of the end part of the eyepiece lens, opposite to the eye patch interface, and the inner circumferential surface of the eyepiece lens barrel, so that the contact part of the eyepiece lens and the inner circumferential surface of the eyepiece lens barrel is sealed.
Further, an annular groove A is formed in the end face, where the OLED screen is located, of the eyepiece main lens barrel along the circumferential direction of the end face, and a first O-shaped ring is installed in the annular groove A; when the eyepiece main lens barrel is arranged on the gun sight, the first O-shaped ring is used for sealing the contact part of the eyepiece main lens barrel and the gun sight.
Furthermore, the external thread of the eyepiece main lens barrel and the internal thread of the focusing hand wheel are both multi-thread threads.
Has the advantages that: (1) the utility model discloses a bull internal thread of focusing hand wheel and the bull external screw thread fit of eyepiece main lens cone, when rotating the focusing hand wheel, drive the eyepiece lens cone along its axial motion through the sliding ring, eyepiece lens cone and eyepiece main lens cone take place relative axial motion, realize the focusing of eyepiece; the structure space has reasonable design, compact structure, high strength and convenient disassembly and maintenance.
(2) The utility model discloses a guide way sliding fit of guide stud and eyepiece lens cone leads to the relative axial motion of eyepiece lens cone and eyepiece main lens cone, prevents that eyepiece lens cone and eyepiece main lens cone from taking place relative rotation, realizes that rotation of the two is spacing, and limit structure is small, and simple reliable.
(3) The utility model discloses a first O type circle, second O type circle, third O type circle, fourth O type circle and silicon rubber realize the multiple sealed to the eyepiece, have improved the waterproof grade of eyepiece.
Drawings
FIG. 1 is a structural composition diagram of the present invention;
the device comprises a main eyepiece barrel 1, a focusing hand wheel 2, a guide stud 3, an eyepiece barrel 4, an eyepiece lens 5, an eyeshade interface 6, an OLED screen 7, a first O-shaped ring 8, a second O-shaped ring 9, a third O-shaped ring 10, a fourth O-shaped ring 11, a sliding ring 12, silicon rubber 13 and an eyeshade 14.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
This embodiment provides a spacing waterproof eyepiece can focus, see fig. 1, include: the device comprises an eyepiece main lens barrel 1, a focusing hand wheel 2, a guide stud 3, an eyepiece lens barrel 4, an eyepiece lens 5, an eye patch interface 6, an OLED screen 7, a first O-shaped ring 8, a second O-shaped ring 9, a third O-shaped ring 10, a fourth O-shaped ring 11, a sliding ring 12, silicon rubber 13 and an eye patch 14;
a radial threaded hole is formed in the middle of the eyepiece main body barrel 1, and a multi-head external thread is formed on the outer circumferential surface of the eyepiece main body barrel 1;
one end of the outer circumferential surface of the eyepiece lens barrel 4 is processed with a guide groove along the axial direction thereof, and the other end is processed with an annular groove along the circumferential direction thereof;
one end of the focusing hand wheel 2 is provided with a multi-head internal thread, and the inner circumferential surface of the other end is coaxially fixed with a sliding ring 12 through a screw;
the eyepiece main lens barrel 1 is sleeved with the eyepiece lens barrel 4, and the eyepiece lens barrel and the eyepiece main lens barrel are in sliding fit; the guide stud 3 is arranged in a radial threaded hole of the eyepiece main lens barrel 1, and the tail end of the guide stud 3 extends out of the radial threaded hole and then is in sliding fit with a guide groove of the eyepiece lens barrel 4; when the eyepiece lens barrel 4 and the eyepiece main lens barrel 1 perform relative axial movement, the guide stud 3 is used for guiding the relative axial movement of the eyepiece lens barrel 4 and the eyepiece main lens barrel 1, so that the eyepiece lens barrel 4 and the eyepiece main lens barrel 1 are prevented from rotating relatively, and the rotation limit of the eyepiece lens barrel 4 and the eyepiece main lens barrel 1 is realized;
the focusing hand wheel 2 is sleeved outside the integral structure formed by the eyepiece lens barrel 4 and the eyepiece main lens barrel 1; a multi-head internal thread at one end of the focusing hand wheel 2 is matched with a multi-head external thread of the eyepiece main lens barrel 1, and a sliding ring 12 at the other end is arranged in an annular groove of the eyepiece lens barrel 4; the slip ring 12 and the annular groove of the eyepiece lens barrel 4 can rotate relatively; when the focusing hand wheel 2 is rotated, the focusing hand wheel 2 drives the eyepiece lens barrel 4 to move along the axial direction of the eyepiece lens barrel through the slip ring 12;
the OLED screen 7 is fixed at one end part of the eyepiece main lens barrel 1, which is not provided with the eyepiece lens barrel 4, through a screw; the eyepiece lens 5 is arranged in the eyepiece lens barrel 4; the eye patch 14 is coaxially arranged at one end part of the eyepiece lens barrel 4 extending out of the eyepiece main barrel 1 through an eye patch interface 6;
an annular groove A is formed in the end face, where the OLED screen 7 is located, of the eyepiece main body tube 1 along the circumferential direction of the end face, and a first O-shaped ring 8 is installed in the annular groove A; when the eyepiece main body tube 1 is arranged on the gun sight, the contact part of the eyepiece main body tube 1 and the gun sight is sealed, and water is prevented from entering an eyepiece;
an annular groove B and an annular groove D are respectively processed on the outer circumferential surfaces of two ends of the eyepiece lens barrel 4 along the circumferential direction of the eyepiece lens barrel, a second O-shaped ring 9 is installed in the annular groove B, and a fourth O-shaped ring 11 is installed in the annular groove D; the second O-shaped ring 9 is positioned between the contact surfaces of the eyepiece lens barrel 4 and the eyepiece main barrel 1 and is used for sealing the matching surfaces of the eyepiece lens barrel 4 and the eyepiece main barrel 1; the fourth O-shaped ring 11 is positioned between the contact surfaces of the eyepiece lens barrel 4 and the focusing hand wheel 2 and is used for sealing the matching surfaces of the eyepiece lens barrel 4 and the focusing hand wheel 2;
an annular groove C is formed in the outer circumferential surface of the eyepiece main lens barrel 1 along the circumferential direction of the eyepiece main lens barrel, and the annular groove C is located between a radial threaded hole of the eyepiece main lens barrel 1 and the end of the OLED screen 7; a third O-shaped ring 10 is arranged in the annular groove C, and the third O-shaped ring 10 is positioned between the contact surfaces of the eyepiece main lens barrel 1 and the focusing hand wheel 2 to prevent water from entering the eyepiece through the radial threaded hole;
and a circle of silicon rubber 13 is coated at the contact part of the end part of the ocular lens 5 opposite to the eye patch interface 6 and the inner circumferential surface of the ocular lens barrel 4, so that the contact part of the ocular lens 5 and the inner circumferential surface of the ocular lens barrel 4 is sealed, and water is prevented from permeating from the connection part of the ocular lens 5 and the ocular lens barrel 4.
The working principle is as follows: when the eyepiece is required to focus, the focusing hand wheel 2 is rotated, the focusing hand wheel 2 drives the eyepiece lens barrel 4 to move along the axial direction of the eyepiece lens barrel through the slip ring 12, the eyepiece lens 5 in the eyepiece lens barrel 4 is driven to move synchronously, and the distance between the eyepiece lens and the OLED screen 7 arranged on the eyepiece main lens barrel 1 is changed, so that the focusing of the eyepiece is realized.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. 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 (4)
1. The utility model provides a spacing waterproof eyepiece can focus which characterized in that includes: the eye lens comprises an eyepiece main lens barrel (1), a focusing hand wheel (2), a guide stud (3), an eyepiece lens barrel (4), an eyepiece lens (5), an eye patch interface (6), an OLED screen (7), a second O-shaped ring (9), a third O-shaped ring (10), a fourth O-shaped ring (11), a sliding ring (12) and an eye patch (14);
a radial threaded hole is formed in the middle of the eyepiece main body barrel (1), and an external thread is formed on the outer circumferential surface of the eyepiece main body barrel (1);
one end of the outer circumferential surface of the eyepiece lens barrel (4) is provided with a guide groove along the axial direction of the eyepiece lens barrel, and the other end of the outer circumferential surface of the eyepiece lens barrel is provided with an annular groove along the circumferential direction of the eyepiece lens barrel;
an internal thread is processed at one end of the focusing hand wheel (2), and a sliding ring (12) is coaxially fixed on the inner circumferential surface of the other end;
the eyepiece lens barrel (4) is sleeved in the eyepiece main lens barrel (1) and is in sliding fit with the eyepiece main lens barrel; the guide stud (3) is arranged in a radial threaded hole of the eyepiece main lens barrel (1), and the tail end of the guide stud (3) extends out of the radial threaded hole and then is in sliding fit with a guide groove of the eyepiece lens barrel (4);
the focusing hand wheel (2) is sleeved outside the integral structure formed by the eyepiece lens barrel (4) and the eyepiece main lens barrel (1); the inner thread at one end of the focusing hand wheel (2) is matched with the outer thread of the eyepiece main lens barrel (1), and the sliding ring (12) at the other end is arranged in the annular groove of the eyepiece lens barrel (4);
the OLED screen (7) is fixed at one end part of the eyepiece main lens barrel (1) which is not provided with the eyepiece lens barrel (4); the eyepiece lens (5) is arranged in the eyepiece lens barrel (4); the eye patch (14) is coaxially arranged at one end part of the eyepiece main lens barrel (1) extending out of the eyepiece lens barrel (4) through an eye patch interface (6);
an annular groove B and an annular groove D are respectively processed on the outer circumferential surfaces of the two ends of the eyepiece lens barrel (4) along the circumferential direction of the eyepiece lens barrel, a second O-shaped ring (9) is installed in the annular groove B, and a fourth O-shaped ring (11) is installed in the annular groove D; the second O-shaped ring (9) is positioned between the contact surfaces of the eyepiece lens barrel (4) and the eyepiece main lens barrel (1); the fourth O-shaped ring (11) is positioned between the contact surfaces of the eyepiece lens barrel (4) and the focusing hand wheel (2);
an annular groove C is formed in the outer circumferential surface of the eyepiece main lens barrel (1) along the circumferential direction of the eyepiece main lens barrel, and the annular groove C is located between a radial threaded hole of the eyepiece main lens barrel (1) and the end of the OLED screen (7); a third O-shaped ring (10) is installed in the annular groove C, and the third O-shaped ring (10) is located between the contact surfaces of the eyepiece main lens barrel (1) and the focusing hand wheel (2).
2. The focusing, limiting and waterproof eyepiece of claim 1, wherein a circle of silicon rubber (13) is coated on the contact part of the end part of the eyepiece lens (5) opposite to the eye patch interface (6) and the inner circumferential surface of the eyepiece lens barrel (4) to seal the contact part of the eyepiece lens (5) and the inner circumferential surface of the eyepiece lens barrel (4).
3. The focusing, limiting and waterproof eyepiece according to claim 1, characterized in that the end face of the eyepiece main barrel (1) where the OLED screen (7) is located is processed with an annular groove A along the circumference thereof, and the annular groove A is internally provided with a first O-ring (8); when the eyepiece main body tube (1) is installed on the gun sight, the first O-shaped ring (8) is used for sealing the contact position of the eyepiece main body tube (1) and the gun sight.
4. The focusing, limiting and waterproof eyepiece of claim 1, wherein the external thread of the eyepiece main barrel (1) and the internal thread of the focusing hand wheel (2) are both multi-thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024018.2U CN213021221U (en) | 2020-06-05 | 2020-06-05 | Focusing limiting waterproof eyepiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021024018.2U CN213021221U (en) | 2020-06-05 | 2020-06-05 | Focusing limiting waterproof eyepiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213021221U true CN213021221U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021024018.2U Active CN213021221U (en) | 2020-06-05 | 2020-06-05 | Focusing limiting waterproof eyepiece |
Country Status (1)
| Country | Link |
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| CN (1) | CN213021221U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671686A (en) * | 2021-07-16 | 2021-11-19 | 河北汉光重工有限责任公司 | Infrared sighting telescope lightweight diopter adjustable eyepiece |
| CN114114669A (en) * | 2021-12-02 | 2022-03-01 | 湖北华中光电科技有限公司 | Translation lens type focusing waterproof eyepiece |
-
2020
- 2020-06-05 CN CN202021024018.2U patent/CN213021221U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113671686A (en) * | 2021-07-16 | 2021-11-19 | 河北汉光重工有限责任公司 | Infrared sighting telescope lightweight diopter adjustable eyepiece |
| CN114114669A (en) * | 2021-12-02 | 2022-03-01 | 湖北华中光电科技有限公司 | Translation lens type focusing waterproof eyepiece |
| CN114114669B (en) * | 2021-12-02 | 2024-02-09 | 湖北华中长江光电科技有限公司 | Translation lens type focusing waterproof eyepiece |
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