CN205210392U - Accommodation degree structure of back -and -forth movement eyepiece - Google Patents
Accommodation degree structure of back -and -forth movement eyepiece Download PDFInfo
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- CN205210392U CN205210392U CN201520975000.3U CN201520975000U CN205210392U CN 205210392 U CN205210392 U CN 205210392U CN 201520975000 U CN201520975000 U CN 201520975000U CN 205210392 U CN205210392 U CN 205210392U
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- eyepiece
- inside casing
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- hand frame
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Abstract
The utility model discloses an accommodation degree structure of back -and -forth movement eyepiece belongs to optical instrument making technical field, it includes: first eyepiece, second eyepiece, inner tube, clamping ring, inside casing, hand frame, spacer ring, guide post and reference column, the inner tube suit is at the inner circumference of inside casing, and the guide way of inner tube is relative with the screw hole of inside casing, two guide posts are fixed respectively in two screw holes of inside casing to stretch into in the guide way of inner tube, hand frame suit is at the outer periphery of inside casing to carry out screw -thread fit with the inside casing, wherein, the radial screw hole of hand frame corresponds with the annular positioning groove of inner tube, the reference column is fixed respectively in the radial screw hole of hand frame to annular positioning groove sliding fit with the inner tube, first eyepiece is all installed in the inner tube with the second eyepiece, and is spacing through the spacer ring between first eyepiece and the second eyepiece, this structure can make the eyepiece adjust the in -process of oxyotex, and the back -and -forth movement is only done to the eyepiece lens, and the back -and -forth movement is also only done to the eyeshade, does not carry out rotary motion.
Description
Technical field
The utility model belongs to optical instrument manufacturing technology field, is specifically related to a kind of accommodation degree structure of movable eyepiece.
Background technology
For the user making infrared gun aiming device adapt to different diopter, current mode realizes diopter by the distance between mobile lens group and OLED display to adjust, so eyepiece component need be designed to rotatable governor motion.
Just there are two kinds of mechanisms regulating eyepiece diopter at present on the market.
A kind of is rotate by helicitic texture the adjustment carrying out diopter, this structure is in the eyepiece system of infrared gun aiming device, owing to there is eye-shade, eye-shade must be compressed during view screen, so in the process of regulating diopter, the rotation of eye-shade can rub around eyes always, very uncomfortable during regulating diopter;
Another kind is that the cam mechanism commonly used by camera lens realizes the movable of lens group, but this mechanism needs 4 layers of sleeve, complex structure, number of parts is more, also more complicated in integral sealing, not only increase weight, also add production and processing cost.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of accommodation degree structure of movable eyepiece, and can make eyepiece in the process of regulating diopter, lens only does movable, and eye-shade also only does movable, is not rotated.
The utility model is achieved through the following technical solutions:
An accommodation degree structure for movable eyepiece, comprising: the first eyepiece, the second eyepiece, inner core, trim ring, inside casing, hand frame, spacer ring, guidepost and reference column;
One end of described inner core is processed with two relative waist through hole, and described waist through hole is gathering sill; The outer circumference surface of the other end has annular positioning groove, and inner peripheral surface is provided with positive stop lug boss;
Described inside casing by the cylinder of both ends open and flange one-body molded, flange is positioned at the end face of cylinder, and the center of flange has rectangular through-hole, and the cylinder end relative with flange is processed with external thread, has two relative threaded holes at the outer circumference surface of cylinder;
The profile of described hand frame is cylinder-like structure, the outer circumference surface of hand frame is processed with three along its circumferential equally distributed radial screw bore;
Its annexation is as follows: inner core is sleeved on the inner peripheral surface of inside casing, and the gathering sill of inner core is relative with the threaded hole of inside casing; Two guideposts are separately fixed in two threaded holes of inside casing, and stretch in the gathering sill of inner core; Hand frame is sleeved on the outer circumference surface of inside casing, and carries out threaded engagement with inside casing, and wherein, the radial screw bore of hand frame is corresponding with the annular positioning groove of inner core; Reference column is separately fixed in the radial screw bore of hand frame, and is slidably matched with the annular positioning groove of inner core;
First eyepiece and the second eyepiece are installed in inner core, and spacing by spacer ring between the first eyepiece and the second eyepiece, the first eyepiece carries out axial limiting by the positive stop lug boss of inner core, and the second eyepiece carries out axial limiting by the trim ring be fixed on inner core.
Further, also comprise eyeshade interface and eye-shade, described eyeshade interface is the cylinder-like structure of both ends open; Eye-shade is funnel-shaped structure, and material adopts rubber, and at the diameter of funnel-shaped structure, minimum place is provided with light barrier, and when axial compression funnel-shaped structure, light barrier is opened automatically; Eyeshade interface is fixed on the end face of inner core with annular positioning groove; Eye-shade docks with eyeshade interface.
Further, inside casing and the surface of contact of inner core and the surface of contact of inside casing and hand frame are all provided with O RunddichtringO.
Beneficial effect: the utility model is when adjusting the distance of lens and image planes, and eyeglass only does movable, does not rotate, now eye-shade does not just rotate, and therefore eye-shade would not rub around eyes, and eyes would not be uncomfortable; And this structure can ensure the overall watertight of eyepiece component.
Accompanying drawing explanation
Fig. 1 is structure composition diagram of the present utility model.
Wherein, 20-eye-shade, 21-eyeshade interface, 22-second eyepiece, 23-first eyepiece, 24-inner core, 25-trim ring, 26-inside casing, 27-hand frame, 28-spacer ring, 29-guidepost, 30-reference column.
Embodiment
To develop simultaneously embodiment below in conjunction with accompanying drawing, the utility model is described in detail.
The utility model provides a kind of accommodation degree structure of movable eyepiece, see accompanying drawing 1, comprising: eye-shade 20, eyeshade interface 21, first eyepiece 23, second eyepiece 22, inner core 24, trim ring 25, inside casing 26, hand frame 27, spacer ring 28, guidepost 29 and reference column 30;
Described eye-shade 20 is the outsourcing piece of funnel-shaped structure, and material adopts rubber, and at the diameter of funnel-shaped structure, minimum place is provided with light barrier, and when axial compression funnel-shaped structure, light barrier is opened automatically;
Described eyeshade interface 21 is the cylinder-like structure of both ends open, and the outside surface of cylinder-like structure has annular slot for connecting eye-shade 20;
One end of described inner core 24 is processed with internal thread and two relative waist through hole, and described waist through hole is gathering sill; The outer circumference surface of the other end has annular positioning groove, and inner peripheral surface is provided with positive stop lug boss;
Described trim ring 25 is the externally threaded circular ring of band;
Described inside casing 26 by the cylinder of both ends open and flange one-body molded, flange is positioned at the end face of cylinder, and the center of flange has rectangular through-hole, and cylinder is processed with external thread away from one end of flange, has two relative threaded holes at the outer circumference surface of cylinder;
The profile of described hand frame 27 is cylinder-like structure, and the outer circumference surface of hand frame 27 is processed with uniform groove, for increasing friction force, is convenient to adjust diopter, the outer circumference surface of hand frame 27 is processed with three along its circumferential equally distributed radial screw bore;
Described guidepost 29 is processed with external thread;
Described reference column 30 is notch cuttype cylinder, and the enlarged diameter section of notch cuttype cylinder has external thread, and reduced diameter section is smooth;
Its annexation is as follows: inner core 24 is sleeved on the inner peripheral surface of inside casing 26, and the gathering sill of inner core 24 is relative with the threaded hole of inside casing 26; Inside casing 26 with the surface of contact of inner core 24 are provided with O RunddichtringO; Guidepost 29 is fixed in two threaded holes of inside casing 26 respectively by screw thread, and stretches in the gathering sill of inner core 24; Hand frame 27 is sleeved on the outer circumference surface of inside casing 26, and carries out threaded engagement with inside casing 26, and wherein, the radial screw bore of hand frame 27 is corresponding with the annular positioning groove of inner core 24; Reference column 30 is fixed in the radial screw bore of hand frame 27 respectively by screw thread, and is slidably matched with the annular positioning groove of inner core 24; Inside casing 26 with the surface of contact of hand frame 27 are provided with O RunddichtringO; Eyeshade interface 21 is fixed by screws in the end face of inner core 24 near annular positioning groove;
First eyepiece 23 and the second eyepiece 22 are installed in inner core 24, spacing by spacer ring 28 between first eyepiece 23 and the second eyepiece 22, first eyepiece 23 carries out axial limiting by the positive stop lug boss of inner core 24, and the second eyepiece 22 carries out axial limiting by the trim ring 25 be fixed on inner core 24.
Principle of work: doing spiral rotating motion by rotating hand frame 27, driving reference column 30 to move, then reference column 30 moves thus drives the movable of inner core 24 in the annular positioning groove of inner core 24; Because the guide effect inner core 24 of the guidepost 29 on inside casing 26 can not rotate, so eyeshade interface 21 can only do movable on inner core 24, do not rotate, therefore eye-shade 20 is not rotated in movable process.
In sum, these are only preferred embodiment of the present utility model, be not intended to limit protection domain of the present utility model.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. the accommodation degree structure of a movable eyepiece, it is characterized in that, comprising: the first eyepiece (23), the second eyepiece (22), inner core (24), trim ring (25), inside casing (26), hand frame (27), spacer ring (28), guidepost (29) and reference column (30);
One end of described inner core (24) is processed with two relative waist through hole, and described waist through hole is gathering sill; The outer circumference surface of the other end has annular positioning groove, and inner peripheral surface is provided with positive stop lug boss;
Described inside casing (26) by the cylinder of both ends open and flange one-body molded, flange is positioned at the end face of cylinder, the center of flange has rectangular through-hole, and the cylinder end relative with flange is processed with external thread, has two relative threaded holes at the outer circumference surface of cylinder;
The profile of described hand frame (27) is cylinder-like structure, the outer circumference surface of hand frame (27) is processed with three along its circumferential equally distributed radial screw bore;
Its annexation is as follows: inner core (24) is sleeved on the inner peripheral surface of inside casing (26), and the gathering sill of inner core (24) is relative with the threaded hole of inside casing (26); Two guideposts (29) are separately fixed in two threaded holes of inside casing (26), and stretch in the gathering sill of inner core (24); Hand frame (27) is sleeved on the outer circumference surface of inside casing (26), and carries out threaded engagement with inside casing (26), and wherein, the radial screw bore of hand frame (27) is corresponding with the annular positioning groove of inner core (24); Reference column (30) is separately fixed in the radial screw bore of hand frame (27), and is slidably matched with the annular positioning groove of inner core (24);
First eyepiece (23) and the second eyepiece (22) are installed in inner core (24), spacing by spacer ring (28) between first eyepiece (23) and the second eyepiece (22), first eyepiece (23) carries out axial limiting by the positive stop lug boss of inner core (24), and the second eyepiece (22) carries out axial limiting by the trim ring (25) be fixed on inner core (24).
2. the accommodation degree structure of a kind of movable eyepiece as claimed in claim 1, is characterized in that, also comprises eyeshade interface (21) and eye-shade (20), the cylinder-like structure that described eyeshade interface (21) is both ends open; Eye-shade (20) is funnel-shaped structure, and material adopts rubber, and at the diameter of funnel-shaped structure, minimum place is provided with light barrier, and when axial compression funnel-shaped structure, light barrier is opened automatically; Eyeshade interface (21) is fixed on the end face of inner core (24) with annular positioning groove; Eye-shade (20) docks with eyeshade interface (21).
3. the accommodation degree structure of a kind of movable eyepiece as claimed in claim 1, it is characterized in that, inside casing (26) with the surface of contact of inner core (24) and the surface of contact of inside casing (26) and hand frame (27) are all provided with O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975000.3U CN205210392U (en) | 2015-12-01 | 2015-12-01 | Accommodation degree structure of back -and -forth movement eyepiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520975000.3U CN205210392U (en) | 2015-12-01 | 2015-12-01 | Accommodation degree structure of back -and -forth movement eyepiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205210392U true CN205210392U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520975000.3U Active CN205210392U (en) | 2015-12-01 | 2015-12-01 | Accommodation degree structure of back -and -forth movement eyepiece |
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| CN (1) | CN205210392U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018010235A1 (en) * | 2016-07-15 | 2018-01-18 | 广景视睿科技（深圳）有限公司 | Focusing device for projection lens |
| CN108061478A (en) * | 2018-01-25 | 2018-05-22 | 江苏北方湖光光电有限公司 | A kind of Eye path structure of the ultrashort clear eye distance with cover blade |
| 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 |
-
2015
- 2015-12-01 CN CN201520975000.3U patent/CN205210392U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018010235A1 (en) * | 2016-07-15 | 2018-01-18 | 广景视睿科技（深圳）有限公司 | Focusing device for projection lens |
| CN108061478A (en) * | 2018-01-25 | 2018-05-22 | 江苏北方湖光光电有限公司 | A kind of Eye path structure of the ultrashort clear eye distance with cover blade |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |