CN1354377A - Eye-distance regulating structure of binoculars - Google Patents
Eye-distance regulating structure of binoculars Download PDFInfo
- Publication number
- CN1354377A CN1354377A CN 01125236 CN01125236A CN1354377A CN 1354377 A CN1354377 A CN 1354377A CN 01125236 CN01125236 CN 01125236 CN 01125236 A CN01125236 A CN 01125236A CN 1354377 A CN1354377 A CN 1354377A
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- CN
- China
- Prior art keywords
- joint portion
- portion material
- eye
- binoculars
- lens barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- Lens Barrels (AREA)
- Telescopes (AREA)
Abstract
To provide an eye-distance regulating structure of binoculars by which the accuracy holding of a working part and rigidity to external stress are made excellent by a simple constitution, accurate pupil distance adjusting operation is performed, miniaturization and the reduction of weight are attained and also the parallelism of right and left optical axes is maintained. A pair of coupling members 3 and 5 provided with a mirror body 4 are coupled so as to relatively horizontally move in the attaching/ separating directions of each mirror body 4, and plural male and female guide parts 8, 12, 9, 13, 11 and 14 elongated in a moving direction are relatively provided at the coupling members 3 and 5, and the guide parts 8, 12, 9, 13, 11 and 14 are constituted of the guide parts 8, 12, 9 and 13 to regulate movement in a perpendicular direction and the guide parts 11 and 14 to regulate movement in a horizontal direction orthogonal with the moving direction of the coupling members 3 and 5.
Description
Technical field
The invention belongs to the binoculars eye-distance regulating structure, belong to especially and make lens barrel move horizontally the structure of adjusting eye-distance along connecing from direction.
Background technology
Because of two interorbital spaces (eye-distance) individual difference about the people is quite big, on binoculars, be provided with to the eye-distance with the user is harmonious, mobile lens barrel is adjusted the structure of eye-distance.Known to the eye-distance adjusting mechanism to have with the fulcrum be the center mechanism that rotates the mirror body and make lens barrel along connecing the structure that moves horizontally from direction.
Summary of the invention
The former is a general fashion, really can adjust eye-distance well, but there is the problem of miniaturization difficulty in this mode, to this, though the latter can carry out correspondence on small-sized, light weight, compare with the former, keeping aspects such as operation precision and external stress impact, not as the former, existence is difficult to keep the parallel shortcoming of most important left and right sides optical axis as binoculars, the present invention to be to solve this shortcoming, provides that to move horizontally the eye-distance regulating structure of binoculars of adjusting eye-distance from direction be purpose along connecing with the moving lens body.
For reaching this purpose, in the claim 1 of the present invention, recorded and narrated this eye-distance adjusting mechanism of binoculars.That is: a pair of joint portion material of being furnished with lens barrel being combined into can move horizontally along connecing from direction of each lens barrel relatively, simultaneously, on each joint portion material, establish several relatively and stretch to the aforementioned male and female shape guidance part that moves horizontally direction, these guidance parts are made of with the guidance part that move of control with the crossing horizontal direction of the moving direction of aforementioned joint portion material the guidance part that the control vertical direction moves.
For achieving the above object, recorded and narrated eye-distance regulating structure of binoculars in the claim 2 of the present invention equally, that is: a pair of joint portion material of being furnished with lens barrel being combined into connect for each lens barrel can be relative to moving along the right angle horizontal direction from the optical axis of direction, simultaneously, sustained height position and bottom at the sidepiece corresponding with a side joint portion material are provided with the ditch that stretches to the right angle horizontal direction for optical axis respectively, on the material of the opposing party's joint portion, be provided with and the chimeric prominent bar of aforementioned each ditch, constitute guidance part by these mutual chimeric each ditch and prominent bars, in these guidance parts, the guidance part of respective sides setting only sockets at upper and lower surface, the control vertical direction moves, the guidance part that is arranged on the bottom only sockets on two sides, the left and right sides, the optical axis moving direction of control joint portion material.
As described above, introduction by claim 1 of the present invention and the described eye-distance regulating structure of binoculars of claim 2 as can be known, it is simple in structure, can keep operation precision preferably and bear external stress, can carry out the eye-distance adjustment exactly, simultaneously, binoculars miniaturization and lightweight can be made, and the parallel of left and right sides optical axis can be kept.
Description of drawings
Fig. 1 is the general view of binoculars.
Fig. 2 is the A-A sectional drawing of Fig. 1.
Fig. 3 is that front view (FV) is adjusted in the action of expression eye-distance.
1 binoculars
2,4 lens barrels
3,5 joint portion materials
6,7,15,16 sidepieces
8,9,11 ditches
10,17 bottoms
12,13,14 prominent bars
The L1L2 optical axis
Embodiment
Below be suitable for example of the present invention with description of drawings, Fig. 1 is the general view of binoculars here, Fig. 2 is its A-A line sectional drawing, Fig. 3 is the front view (FV) of expression eye-distance adjustment action.
As shown in Figures 1 and 2, binoculars 1 are by having the left joint portion material 3 of being furnished with left lens barrel 2 and the right joint portion material 5 of being furnished with right lens-barrel 4 to constitute, and this a pair of joint portion material 3,5 is combined into can be relative to moving along the right angle horizontal direction for the optical axis L 1, the L2 that connect from direction of each lens barrel 2,4.Though not shown, be furnished with the well-known optical system of forming by object lens, eyepiece and roof prism respectively in each lens barrel 2,4 of preceding note.Equally, though not shown, binoculars 1 usefulness cover plate hides foregoing a pair of joint portion material 3,5, and these joint portion materials generally be can't see.
As shown in Figure 2, joint portion material 3,5 section configuration is about the font of falling コ, the inboard of right joint portion material 5 disposes left joint portion material 3, with the corresponding sidepiece 6 of aforementioned right joint portion material, the sustained height setting of 7 inner face is for optical axis L 1, L2 stretches to the ditch 8 of right angle horizontal direction, 9, on the upper side of bottom 10, also be provided with for optical axis L 1, L2 stretches to the ditch 11 of right angle horizontal direction, on the one hand, for aforementioned left joint portion material 3, in respective sides 15, below the sustained height position of 16 outside and the bottom 17, be provided with and aforementioned each ditch 8,9,11 chimeric prominent bars 12,13,14.
Guidance part is by above-mentioned each chimeric ditch 8 mutually, 9,11 with each prominent bar 12,13,14 constitute, in these guidance parts, in 6 of respective sides, 7,15, each ditch 8 that is provided with on 16,9 with prominent bar 12,13 only spur at upper and lower surface, the gap of moving about is arranged on left and right directions, can be to lens barrel 2,4 connect from direction spurs, control moving of vertical direction simultaneously, in the bottom 10, the ditch 11 and the prominent bar 14 that are provided with on 17 only socket on two sides, the left and right sides, the gap of moving about is arranged on above-below direction, can be to lens barrel 2,4 connect from direction spurs, simultaneously, control optical axis L 1, moving of L2 direction.
This example is made of above, effect by each ditch 8,9,11 and each prominent bar 12,13,14, each joint portion material 3,5 is relatively moved along connecing from direction of lens barrel, can adjust eye-distance thus, Fig. 3 represents eye-distance adjustment action, solid line is represented the longest position of eye-distance, and dotted line is represented the shortest position of eye-distance.
The loosening of the vertical direction of joint portion material 3,5 prevents socketing of upper and lower surface by being arranged on each ditch 8,9 on the sidepiece 6,7,15,16 and prominent bar 12,13, becoming flexible of the left and right directions of each joint portion material 3,5, prevent socketing of two sides, the left and right sides with prominent bar 14 by the ditch 11 that is arranged on the end 10,17, therefore can better keep operation precision and bear the external stress impact, often can adjust eye-distance exactly.
In addition, the present invention is not limited to above-mentioned example.For example: can make right joint portion material 3 tabular, below its bottom, prominent bar is set, on right joint portion material 5, each ditch that is embedded in both sides that uses when the prominent bar that aforementioned left joint portion material 3 is set moves and the chimeric ditch of prominent bar below the above-mentioned bottom, at this moment, by both sides and each ditch only the socketing of upper and lower surface, and the prominent bar below the bottom and ditch only about the two existing formations that socket, can prevent from that each joint portion material from connecing from direction to lens barrel to move with loosening.
In addition, also can be conversely the relation of the joint portion material 3,5 that each prominent bar 11,12,13 and each ditch 8,9,14 are set, side at joint portion material 3,5 is provided with a pair of prominent bar 12,13 and ditch 14, the opposing party at joint portion material 3,5 is provided with a pair of ditch 8,9 and prominent bar 11, also can further change the optical system of configuration in each lens barrel 2,4 into roof prism, adopt precious sieve prism.
Claims (2)
1. eye-distance regulating structure of binoculars, it is characterized in that: a pair of joint portion material of being furnished with lens barrel is combined into can move horizontally along connecing from direction of each lens barrel relatively, simultaneously, on each joint portion material, establish several relatively and stretch to the aforementioned male and female shape guidance part that moves horizontally direction, these guidance parts are made of with the guidance part of control with the motion of the direct horizontal direction that intersects of moving direction of aforementioned joint portion material the guidance part of control movement in vertical direction.
2. eye-distance regulating structure of binoculars, it is characterized in that: a pair of joint portion material of being furnished with lens barrel being combined into connect for each lens barrel can be relative to moving along the right angle horizontal direction from the optical axis of direction, simultaneously, sustained height position and bottom at the sidepiece corresponding with a side joint portion material are provided with the ditch that stretches to the right angle horizontal direction for optical axis respectively, on the material of the opposing party's joint portion, be provided with and the chimeric prominent bar of aforementioned each ditch, constitute guidance part by these mutual chimeric each ditch and prominent bars, in these guidance parts, the guidance part of respective sides setting only sockets the control vertical direction at upper and lower surface and moves, and the guidance part that is arranged on the bottom only sockets the optical axis moving direction of control joint portion material on two sides, the left and right sides.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP349672/2000 | 2000-11-16 | ||
| JP2000349672A JP2002156576A (en) | 2000-11-16 | 2000-11-16 | Pupil distance adjusting mechanism for binoculars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1354377A true CN1354377A (en) | 2002-06-19 |
Family
ID=18823029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01125236 Pending CN1354377A (en) | 2000-11-16 | 2001-08-31 | Eye-distance regulating structure of binoculars |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2002156576A (en) |
| CN (1) | CN1354377A (en) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0843708A (en) * | 1994-08-02 | 1996-02-16 | Minolta Co Ltd | Binoculars |
-
2000
- 2000-11-16 JP JP2000349672A patent/JP2002156576A/en active Pending
-
2001
- 2001-08-31 CN CN 01125236 patent/CN1354377A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002156576A (en) | 2002-05-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |