CN105929528A - Focusing structure of binocular - Google Patents
Focusing structure of binocular Download PDFInfo
- Publication number
- CN105929528A CN105929528A CN201610412419.7A CN201610412419A CN105929528A CN 105929528 A CN105929528 A CN 105929528A CN 201610412419 A CN201610412419 A CN 201610412419A CN 105929528 A CN105929528 A CN 105929528A
- Authority
- CN
- China
- Prior art keywords
- focusing
- shank
- chute
- drive link
- object lens
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
-
- 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
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/06—Focusing binocular pairs
Abstract
The invention relates to a focusing structure of a binocular. The focusing structure comprises a binocular body with a middle shaft, a pair of objective lens barrels, a pair of objective lenses in the objective lens barrels respectively, a focusing handwheel, a focusing tube with outside threads, two transmission rods, two sliding barrels and two focusing lenses arranged in the sliding barrels respectively, one end of the focusing tube is fixedly connected with the focusing handwheel, the other end of the focusing tube is in threaded connection with the end, far from the objective lenses corresponding to the middle shaft, of the binocular body, the two sides, corresponding to the middle shaft, of the back or belly part of the binocular body are provided with chutes, the two transmission rods are placed in the corresponding chutes and can slide along the extension direction of the corresponding chutes respectively, the end, far from the objective lens, of each transmission rod bends towards the focusing tube and is connected with the focusing tube, the side, close to the corresponding transmission rod, of each objective lens is provided with a through slot, and the end, close to the objective lens, of each transmission rod is connected with the corresponding sliding barrel via a connecting rod which penetrates the through slot. The focusing structure of the binocular had the advantages of being convenient to assembly and low in production cost.
Description
Technical field
The present invention relates to a kind of telescope focusing structure, specifically a kind of binoculars focusing structure.
Background technology
Telescope is a kind of light utilizing lens or reflecting mirror and other optics to observe remote object
Learn instrument, including binoculars and monocular.The focusing structure of existing binoculars includes adjusting
Burnt spiral and focusing lens, drive focusing lens position in lens barrel by inserting the focusing screw in lens barrel
Move, thus the spacing regulating focusing lens and eyepiece realizes telescopical focus adjustment.The portion of this structure
Between part, connective stability is poor, is easily destroyed adjust by extraneous factor (shake, stir focusing screw etc. for a long time)
The optical axis accuracy of focus lens, affects telescopical normal use；Meanwhile, this Standard is complicated, raw
Product cost is high.
Summary of the invention
The technical problem to be solved is to provide a kind of simple in construction, stablizes, easy to assembly, raw
Produce the binoculars focusing structure of low cost.
The technical scheme is that a kind of binoculars focusing structure,
Including the shank of band axis, a pair objective tube and the object lens laid respectively in objective tube described in a pair, also wrap
Include focusing handwheel, carry externally threaded focusing pipe, two drive links and two slide cartridges and be fixedly installed respectively
Focusing lens in two described slide cartridges, one end of described focusing pipe is fixing with described focusing handwheel even
Connecing, the other end its axis corresponding with described shank connects away from the threaded one end of described object lens, described shank
Axis away from described object lens one end insert described focusing pipe in；
The both sides of the back of described shank or abdominal part its axis corresponding offer chute respectively, and described chute exists
On described shank, the length direction along described objective tube extends, and two described drive links lay respectively at correspondence
Described chute is interior and can slide along the bearing of trend of corresponding described chute, and every described drive link is away from institute
The one end stating object lens to the bending of described focusing pipe and is flexibly connected with described focusing pipe, and every described transmission
Bar pass in and out described shank with described focusing pipe and along the extension side of described chute in corresponding described chute
To reciprocatingly sliding；
In two described slide cartridges lay respectively at two described objective tubes and can be in the described objective tube of correspondence
Slide, offer groove at two described objective tubes near the side of corresponding described drive link, described logical
Groove extends along the length direction of described objective tube, every described drive link near one end of described object lens all with
One connecting rod is fixing to be connected, and described connecting rod is connected through corresponding described groove is dismountable with described slide cartridge,
The displacement with the displacement of corresponding described drive link of each described slide cartridge.
Operation principle: focusing handwheel described in positive and negative rotation drives described focusing pipe to pass in and out described shank, described
Drive link pass in and out described shank with described focusing pipe and in corresponding described chute shift reciprocately, described cunning
Cylinder with described drive link shift reciprocately and in corresponding described objective tube shift reciprocately, described focusing is saturating
Mirror changes the distance between telescope ocular with the shift reciprocately of described slide cartridge, it is achieved focusing.
The invention has the beneficial effects as follows: owing to described focusing lens is fixedly installed in described slide cartridge, and with
Described slide cartridge realizes focusing at described objective tube intrinsic displacement, simple in construction, stable；Due to described
Focusing pipe uses with described shank threadeds, and described focusing pipe is flexibly connected with two described drive links,
Described drive link is dismountable with described slide cartridge to be connected, and two described drive links lay respectively at the described of correspondence
Chute is interior and can slide along the bearing of trend of corresponding described chute, therefore easy to assembly, and production cost is low.
Further, described focusing pipe is fixedly installed connection tubing string, institute away from one end of described focusing handwheel
The axis stating shank inserts in described focusing pipe through described connection tubing string, described connecting tube column outer wall circumference
Offering cannelure, two described drive links insert in described cannelure away from one end of described object lens, and
Rotate cooperation with the described tubing string that is connected, owing to described drive link inserts described away from one end of described object lens
Rotate cooperation in cannelure and with the described tubing string that is connected, therefore at described focusing pipe with described focusing handwheel just
When despining passes in and out described shank, the rotation of described connection tubing string will not drive described drive link to rotate, but
It can drive described drive link along described cunning in described chute with the axial displacement that described focusing pipe produces
The bearing of trend displacement of groove, it is achieved two described drive links are flexibly connected with described focusing pipe, and structure
Simply, reliability is high, easy to assembly.
Further, on described shank, to be fixedly installed covering respectively right in the position of corresponding two described drive links
The cover plate of the described drive link answered, described drive link will not be because of extraneous factor or prestige to utilize described cover plate to guarantee
Remote mirror self focusing action and swing up and down.
Further, described cover plate offers hole for injecting glue, in described hole for injecting glue, be marked with freezing plastic, described lid
Plate is fixed with described shank gluing by described freezing plastic, improves that described cover plate and described shank are fixing to be connected
Reliability.
Further, described freezing plastic is belt glue, improves the glued described cover plate of described freezing plastic and described mirror
The reliability of body.
Further, in the middle of described chute diapire, bearing of trend both sides along described chute are fixedly installed respectively
There are front end limited post and rear end limited post, described drive link offers the spacing groove of up/down perforation, institute
Stating the bearing of trend extension along described objective tube of the spacing groove, described front end limited post and rear end limited post are equal
Through described spacing groove to limit described focusing lens maximum focussing distance and minimum focussing distance, determine
Telescopical focusing range, it is to avoid user is arbitrarily focused and caused telescopical focusing structure to be destroyed,
And utilize described front end limited post and rear end limited post that described drive link is accurately positioned when assembling
Assembling, improves efficiency of assembling.
Further, near one end of described object lens, sidewall near described objective tube offers scarce described chute
Mouthful, corresponding described slide cartridge barrel offers connecting hole, described connecting rod inserts institute through described breach
State that connecting hole is dismountable with described slide cartridge to be connected, it is achieved described connecting rod and the dismountable company of described slide cartridge
Connect, the most described drive link and the assembling of described slide cartridge.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
In accompanying drawing, the list of parts representated by each label is as follows:
1, focusing handwheel, 2, front end limited post, 3, groove, 4, spacing groove, 5, objective tube, 6,
Slide cartridge, 7, breach, 8, connecting rod, 9, drive link, 10, chute, 11, rear end limited post, 12,
Cover plate, 13, shank, 14, focusing pipe, 15, connect tubing string, 16, hole for injecting glue.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining this
Invention, is not intended to limit the scope of the present invention.
As it is shown in figure 1, a kind of binoculars focusing structure, including shank 13, a pair thing of band axis
Lens barrel 5 and the object lens laid respectively in a pair objective tube 5, also include focusing handwheel 1, carry externally threaded
Focusing 14, two drive links 9 of pipe and two slide cartridges 6 and be respectively fixedly disposed in two slide cartridges 6
Focusing lens, one end of focusing pipe 14 is fixing with focusing handwheel 1 to be connected, and the other end is corresponding with shank 13
Its axis connects away from the threaded one end of object lens, and the axis of shank 13 inserts focusing away from one end of object lens
In pipe 14；
The both sides of the back of shank 13 its axis corresponding offer chute 10 respectively, and chute 10 is at shank
On 13, the length direction along objective tube 5 extends, and two drive links 9 lay respectively in the chute 10 of correspondence
And can slide along the bearing of trend of corresponding chute 10, every drive link 9 away from one end of object lens to tune
Burnt pipe 14 bends and is flexibly connected with focusing pipe 14, and every drive link 9 passes in and out mirror with focusing pipe 14
Body 13 and in corresponding chute 10 bearing of trend along chute 10 reciprocatingly slide；
In two slide cartridges 6 lay respectively at two objective tubes 5 and can slip in corresponding objective tube 5,
Two objective tubes 5 offer groove 3 near the side of corresponding drive link 9, and groove 3 is along objective tube 5
Length direction extend, every drive link 9 is all fixed with a connecting rod 8 near one end of object lens and is connected, company
Bar 8 is connected through corresponding groove 3 is dismountable with slide cartridge 6, and each slide cartridge 6 is with the drive link of correspondence
The displacement of 9 and displacement.
In the present embodiment, focusing pipe 14 is fixedly installed connection tubing string 15 away from one end of focusing handwheel 1,
The axis of shank 13 inserts in focusing pipe 14 through connecting tubing string 15, connects tubing string 15 outer wall circumference and opens
Being provided with cannelure, two drive links 9 insert in cannelure away from one end of object lens, and be connected tubing string 15
Rotate cooperation；On shank 13, the position of corresponding two drive links 9 is fixedly installed covering correspondence respectively
The cover plate 12 of drive link 9, cover plate 12 offers hole for injecting glue 16, in hole for injecting glue 16, is marked with solidification
Glue, cover plate 12 is glued fixing by freezing plastic and shank 13, and freezing plastic is belt glue；At chute 10
In the middle of diapire, the bearing of trend both sides along chute 10 are fixedly installed rear end limited post 11 and front end limit respectively
Position post 2, drive link 9 offers the spacing groove 4 of up/down perforation, and spacing groove 4 is along objective tube 5
Bearing of trend extend, rear end limited post 11 and front end limited post 2 both pass through spacing groove 4 with limit
Focusing lens maximum focussing distance and minimum focussing distance；Chute 10 near one end of object lens near object lens
The sidewall of cylinder 5 offers breach 7, offers connecting hole on corresponding slide cartridge 6 barrel, and connecting rod 8 is worn
Cross breach 7 and insert that connecting hole is dismountable with slide cartridge 6 to be connected.
Operation principle: positive and negative rotation focusing handwheel 1 drives focusing pipe 14 to pass in and out shank 13, drive link 9
Pass in and out shank 13 with focusing pipe 14 and in corresponding chute 10 shift reciprocately, slide cartridge 6 is with drive link 9
Shift reciprocately and in corresponding objective tube 5 shift reciprocately, focusing lens is with the shift reciprocately of slide cartridge 6
And change the distance between telescope ocular, it is achieved focusing.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (7)
1. a binoculars focusing structure, including the shank (13) of band axis, a pair objective tube
And lay respectively at the object lens of front side in objective tube described in a pair (5) (5), it is characterised in that: also include
Focusing handwheel (1), carry externally threaded focusing pipe (14), two drive links (9) and two slide cartridges (6)
And it is respectively fixedly disposed at the focusing lens in two described slide cartridges (6), described focusing pipe (14)
One end and described focusing handwheel (1) fixing be connected, the other end is corresponding wherein with described shank (13)
Axle connects away from the threaded one end of described object lens, and the axis of described shank (13) is away from the one of described object lens
End inserts in described focusing pipe (14)；
The both sides of the back of described shank (13) or abdominal part its axis corresponding offer chute (10) respectively,
Described chute (10) on described shank (13) along described objective tube (5) length direction extend,
In two described drive links (9) lay respectively at the described chute (10) of correspondence and can be along described in correspondence
The bearing of trend of chute (10) slides, every described drive link (9) away from described object lens one end to
Described focusing pipe (14) bending is also flexibly connected with described focusing pipe (14), and every described drive link
(9) pass in and out described shank (13) with described focusing pipe (14) and at corresponding described chute (10)
The interior bearing of trend along described chute (10) reciprocatingly slides；
In two described slide cartridges (6) lay respectively at two described objective tubes (5) and can be described in correspondence
Slide in objective tube (5), two described objective tubes (5) near corresponding described drive link (9)
Side offer groove (3), described groove (3) prolongs along the length direction of described objective tube (5)
Stretching, every described drive link (9) is all fixed with a connecting rod (8) near one end of described object lens and is connected,
Described connecting rod (8) is connected through corresponding described groove (3) is dismountable with described slide cartridge (6),
The displacement with the displacement of corresponding described drive link (9) of each described slide cartridge (6).
A kind of binoculars focusing structure the most according to claim 1, it is characterised in that: institute
Stating focusing pipe (14) and being fixedly installed connection tubing string (15) away from one end of described focusing handwheel (1),
The axis of described shank (13) inserts in described focusing pipe (14) through described connection tubing string (15),
Described connection tubing string (15) outer wall circumference offers cannelure, and two described drive links (9) are away from institute
The one end stating object lens is inserted in described cannelure, and rotates cooperation with the described tubing string (15) that is connected.
A kind of binoculars focusing structure the most according to claim 1 and 2, it is characterised in that:
It is right that the position of the upper corresponding two described drive links (9) of described shank (13) is fixedly installed covering respectively
The cover plate (12) of the described drive link (9) answered.
A kind of binoculars focusing structure the most according to claim 3, it is characterised in that: institute
Stating and offer hole for injecting glue (16) on cover plate (12), described hole for injecting glue is marked with freezing plastic in (16), institute
State cover plate (12) glued fixing by described freezing plastic and described shank (13).
A kind of binoculars focusing structure the most according to claim 4, it is characterised in that: institute
Stating freezing plastic is belt glue.
A kind of binoculars focusing structure the most according to claim 1 and 2, it is characterised in that:
In the middle of described chute (10) diapire, the bearing of trend both sides along described chute (10) are fixedly installed respectively
There are rear end limited post (11) and front end limited post (2), described drive link (9) offer and passes through up and down
Logical spacing groove (4), described spacing groove (4) is prolonged along the bearing of trend of described objective tube (5)
Stretch, described rear end limited post (11) and front end limited post (2) both pass through described spacing groove (4) with
Limit described focusing lens maximum focussing distance and minimum focussing distance.
A kind of binoculars focusing structure the most according to claim 1 and 2, it is characterised in that:
Described chute (10) one end near described object lens and the sidewall near described objective tube (5) offer
Breach (7), offers connecting hole, described connecting rod (8) on corresponding described slide cartridge (6) barrel
Insert through described breach (7) that described connecting hole is dismountable with described slide cartridge (6) to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610412419.7A CN105929528B (en) | 2016-06-13 | 2016-06-13 | A kind of binoculars focusing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610412419.7A CN105929528B (en) | 2016-06-13 | 2016-06-13 | A kind of binoculars focusing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105929528A true CN105929528A (en) | 2016-09-07 |
| CN105929528B CN105929528B (en) | 2018-05-15 |
Family
ID=56833965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610412419.7A Active CN105929528B (en) | 2016-06-13 | 2016-06-13 | A kind of binoculars focusing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105929528B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107363677A (en) * | 2017-08-29 | 2017-11-21 | 重庆梦赛力士光电股份有限公司 | A kind of foot-operated polishing machine |
| CN108205192A (en) * | 2017-05-31 | 2018-06-26 | 潜山县恒泰光电有限公司 | A kind of telescope focus adjusting mechanism |
| CN108652580A (en) * | 2017-03-30 | 2018-10-16 | 苏州速迈医疗设备有限公司 | A kind of handheld slit lamp |
| CN111103681A (en) * | 2018-10-26 | 2020-05-05 | 布什内尔有限责任公司 | Binocular telescope with optional fixed focus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834412Y2 (en) * | 1979-11-16 | 1983-08-02 | 株式会社 ライト光機製作所 | Two-axis zoom binoculars |
| JPH062329U (en) * | 1992-06-18 | 1994-01-14 | 株式会社ニコン | Biaxial binoculars |
| CN201796181U (en) * | 2010-05-11 | 2011-04-13 | 昆明远达光学有限公司 | Internal focusing type binocular Porro telescope |
| CN202600253U (en) * | 2012-05-14 | 2012-12-12 | 昆明腾洋光学仪器有限公司 | Compound focusing mechanism of double-hinge telescope |
| CN203117517U (en) * | 2013-03-23 | 2013-08-07 | 昆明腾洋光学仪器有限公司 | Simple foldable telescope |
| CN205691854U (en) * | 2016-06-13 | 2016-11-16 | 重庆梦赛力士光电股份有限公司 | A kind of binoculars focusing structure |
-
2016
- 2016-06-13 CN CN201610412419.7A patent/CN105929528B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5834412Y2 (en) * | 1979-11-16 | 1983-08-02 | 株式会社 ライト光機製作所 | Two-axis zoom binoculars |
| JPH062329U (en) * | 1992-06-18 | 1994-01-14 | 株式会社ニコン | Biaxial binoculars |
| CN201796181U (en) * | 2010-05-11 | 2011-04-13 | 昆明远达光学有限公司 | Internal focusing type binocular Porro telescope |
| CN202600253U (en) * | 2012-05-14 | 2012-12-12 | 昆明腾洋光学仪器有限公司 | Compound focusing mechanism of double-hinge telescope |
| CN203117517U (en) * | 2013-03-23 | 2013-08-07 | 昆明腾洋光学仪器有限公司 | Simple foldable telescope |
| CN205691854U (en) * | 2016-06-13 | 2016-11-16 | 重庆梦赛力士光电股份有限公司 | A kind of binoculars focusing structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108652580A (en) * | 2017-03-30 | 2018-10-16 | 苏州速迈医疗设备有限公司 | A kind of handheld slit lamp |
| CN108652580B (en) * | 2017-03-30 | 2021-02-19 | 苏州速迈医疗设备有限公司 | Handheld slit lamp |
| CN108205192A (en) * | 2017-05-31 | 2018-06-26 | 潜山县恒泰光电有限公司 | A kind of telescope focus adjusting mechanism |
| CN107363677A (en) * | 2017-08-29 | 2017-11-21 | 重庆梦赛力士光电股份有限公司 | A kind of foot-operated polishing machine |
| CN111103681A (en) * | 2018-10-26 | 2020-05-05 | 布什内尔有限责任公司 | Binocular telescope with optional fixed focus |
| CN111103681B (en) * | 2018-10-26 | 2022-09-20 | 布什内尔有限责任公司 | Binocular telescope with optional fixed focus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105929528B (en) | 2018-05-15 |
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