CN206906619U - A kind of Zoom lens - Google Patents
A kind of Zoom lens Download PDFInfo
- Publication number
- CN206906619U CN206906619U CN201720444287.6U CN201720444287U CN206906619U CN 206906619 U CN206906619 U CN 206906619U CN 201720444287 U CN201720444287 U CN 201720444287U CN 206906619 U CN206906619 U CN 206906619U
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- China
- Prior art keywords
- piston
- hole
- film
- sealing ring
- micro
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Abstract
The utility model discloses a kind of Zoom lens, including shell, the circle centre position of shell, which runs through, through hole, motor cabinet is arranged on the madial wall of shell, the side wall of micro-step motor connects with motor cabinet, and the output end of micro-step motor is connected with piston rod, and the surface circle centre position of piston one end offers connecting hole, engaged by external screw thread and internal thread between piston and piston rod, be flexibly connected between piston and piston hole by the first sealing ring and the second sealing ring.This Zoom lens, when the side wall of piston and the inwall of through hole flush, refractive liquid will not be under pressure, and film is in smooth stage, when micro-step motor promotes piston to slide in and out, piston birefringence liquid is extruded, and the deformation of convex occurs for film, when micro-step motor promotes piston slid inward, part refractive liquid enters in through hole, due to the deformation that under conditions of being vacuum, film concaves, there is the advantages of manufacture and zooming range are big.
Description
Technical field
Optical lens technical field is the utility model is related to, specially a kind of Zoom lens.
Background technology
Zoom lens refer to can be while make Jiao with keeping certain one side continuity by the overall focal position of lens combination
The lens that change of point distance, it is however generally that, in order to form zoom lens, it is necessary to make minimum 2 groups of lens on optical axis it is relative
Mobile, often there is the problem of volume is big, complicated, and camera lens is easy to wear low with service life in traditional optical system.
Utility model content
The purpose of this utility model is to provide a kind of Zoom lens, possesses big excellent of easily fabricated and zooming range
Point, solves problem of the prior art.
To achieve the above object, the utility model provides following technical scheme：A kind of Zoom lens, including shell, institute
The circle centre position of shell is stated through there is through hole, one end of through hole and the junction of shell are provided with arc bar, and the other end of through hole offers
Glass groove, the middle part mirror image of through hole offer piston hole；Film groove is offered on the arc bar, is provided with film groove thin
Film, film cover one end of through hole；Glass plate is installed, glass plate covers the other end of through hole in the glass groove；
The piston hole is provided with piston apparatus, and piston apparatus is made up of piston, piston rod, micro-step motor and motor cabinet, motor
Seat is arranged on the madial wall of shell, and the side wall of micro-step motor connects with motor cabinet, and the output end of micro-step motor connects
Piston rod is connected to, being covered with the outer wall of piston rod has external screw thread；The surface circle centre position of described piston one end offers connecting hole, living
The outer wall of plug is nested with the first sealing ring and the second sealing ring, and internal thread is covered with connecting hole, is passed through between piston and piston rod
External screw thread and internal thread engagement, are flexibly connected between piston and piston hole by the first sealing ring and the second sealing ring.
Preferably, the through hole is filled with refractive liquid, and refractive liquid is located between film and glass plate.
Preferably, the junction of the film groove and film is covered with sealing ring, the connection of glass groove and glass plate
Place is covered with sealing ring.
Preferably, the side of the film is vertically connected with annular ring, and annular ring is fastened in film groove.
Preferably, second sealing ring is identical with the diameter of piston hole, and the second sealing ring and piston hole are in close contact.
Compared with prior art, the beneficial effects of the utility model are as follows：
This Zoom lens, due to there is the presence of sealing ring so that film and glass plate will be fully sealed inside through hole
Get up, the environment of vacuum is reached inside the through hole between film and glass plate；First sealing ring and the second sealing ring play
The effect of sealing so that refractive liquid will not be flowed into micro-step motor from the junction of piston and piston hole, when piston
When the inwall of side wall and through hole flushes, refractive liquid will not be under pressure, and film is in smooth stage, works as micro-step motor
When promotion piston slides in and out, piston does not depart from piston hole, and piston birefringence liquid is extruded so that refractive liquid is in volume
In the case of constant, the deformation for film occurring convex is expanded, reaches the effect of zoom, when micro-step motor promotes
During piston slid inward, part refractive liquid enters in through hole so that refractive liquid is in the case of constancy of volume, due to being true
Under conditions of sky, deformation that film concaves, reach the effect of zoom.
Brief description of the drawings
Fig. 1 is overall structure figure of the present utility model；
Fig. 2 is partial sectional view of the present utility model；
Fig. 3 is membrane structure figure of the present utility model；
Fig. 4 is piston of the present utility model and piston rod connection figure；
Fig. 5 is that film of the present utility model is concordantly schemed；
Fig. 6 is film projection figure of the present utility model；
Fig. 7 is film of the present utility model depression figure.
In figure：1 shell, 11 through holes, 2 arc bars, 21 film grooves, 211 films, 3 glass grooves, 31 glass plates,
It is 4 piston holes, 5 piston apparatus, 51 pistons, 511 connecting holes, 5111 internal threads, 512 first sealing rings, 513 second close
Seal, 52 piston rods, 521 external screw threads, 53 micro-step motors, 54 motor cabinets.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-7, a kind of Zoom lens, including shell 1 are referred to, the circle centre position of shell 1, which runs through, through hole 11, through hole 11
One end and the junction of shell 1 be provided with arc bar 2, arc bar 2 has certain inclination angle, and the other end of through hole 11 offers glass
Groove 3, the middle part mirror image of through hole 11 offer piston hole 4；Film groove 21 is offered on arc bar 2, is provided with film groove 21 thin
Film 211, the side of film 211 are vertically connected with annular ring, and annular ring is fastened in film groove 21, and film 211 has the transparency,
Film 211 is fastened in film groove 21, and film 211 will not arbitrarily come off, and film 211 covers one end of through hole 11；Glass groove 3
Glass plate 31 is inside installed, the junction of film groove 21 and film 211 is covered with sealing ring (diagram does not mark), glass groove
3 and the junction of glass plate 31 be covered with sealing ring, glass plate 31 covers the other end of through hole 11, due to there is sealing ring
In the presence of so that film 211 and glass plate 31 will be fully sealed inside through hole 11, and through hole 11 is filled with refractive liquid (figure
Show and do not mark), refractive liquid is located between film 211 and glass plate 31, due to the filling of refractive liquid, inside through hole 11
Gas be discharged completely, the environment of vacuum is reached inside the through hole 11 between film 211 and glass plate 31；Piston hole 4
Piston apparatus 5 is installed, piston apparatus 5 is made up of piston 51, piston rod 52, micro-step motor 53 and motor cabinet 54, motor
Seat 54 is arranged on the madial wall of shell 1, and the side wall and motor cabinet 54 of micro-step motor 53 connect, micro-step motor 53
Output end is connected with piston rod 52, and being covered with the outer wall of piston rod 52 has external screw thread 521；The surface circle centre position of the one end of piston 51 is opened
Provided with connecting hole 511, the outer wall of piston 51 is nested with the first sealing ring 512 and the second sealing ring 513, is covered with connecting hole 511
Internal thread 5111, engaged between piston 51 and piston rod 52 by external screw thread 521 and internal thread 5111, due to piston 51 and piston
Bar 52 reaches the advantages of installation and removal are simple by screw thread engagement, passes through the first sealing ring 512 between piston 51 and piston hole 4
It is flexibly connected with the second sealing ring 513, the first sealing ring 512 and the second sealing ring 513 play a part of sealing so that REFRACTIVE LIQUID
Body will not be flowed into micro-step motor 53 from the junction of piston 51 and piston hole 4, the second sealing ring 513 and piston hole 4
Diameter is identical, and the second sealing ring 513 and piston hole 4 are in close contact, when the side wall of piston 51 and the inwall of through hole 11 flush, folding
Penetrating liquid will not be under pressure, and film 211 is in smooth stage, when micro-step motor 53 promotes piston 51 to slide in and out
When, piston 51 does not depart from piston hole 4, and the birefringence liquid of piston 51 is extruded so that situation of the refractive liquid in constancy of volume
Under, the deformation for film 211 occurring convex is expanded, reaches the effect of zoom, when micro-step motor 53 promotes piston
During 51 slid inward, part refractive liquid enters in through hole 11 so that refractive liquid is in the case of constancy of volume, due to being true
Under conditions of sky, deformation that film 211 concaves, reach the effect of zoom, there is the advantages of manufacture and zooming range are big.
In summary：This Zoom lens, due to there is the presence of sealing ring so that film 211 and glass plate 31 will be logical
It is fully sealed inside hole 11, the environment of vacuum is reached inside the through hole 11 between film 211 and glass plate 31；First
The sealing ring 513 of sealing ring 512 and second plays a part of sealing so that refractive liquid will not be from the company of piston 51 and piston hole 4
Meet place to flow into micro-step motor 53, when the side wall of piston 51 and the inwall of through hole 11 flush, refractive liquid will not be by
Pressure, film 211 are in smooth stage, and when micro-step motor 53 promotes piston 51 to slide in and out, piston 51 does not depart from
Piston hole 4, the birefringence liquid of piston 51 are extruded so that refractive liquid is expanded to thin in the case of constancy of volume
The deformation of convex occurs for film 211, reaches the effect of zoom, when micro-step motor 53 promotes 51 slid inward of piston, portion
Refractive liquid is divided to enter in through hole 11 so that refractive liquid is in the case of constancy of volume, due to being film under conditions of vacuum
211 deformation to concave, reach the effect of zoom, there is the advantages of manufacture and zooming range are big.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of Zoom lens, including shell (1), it is characterised in that：The circle centre position of the shell (1), which runs through, through hole
(11), one end of through hole (11) and the junction of shell (1) are provided with arc bar (2), and it is recessed that the other end of through hole (11) offers glass
Groove (3), the middle part mirror image of through hole (11) offer piston hole (4)；Film groove (21), film groove are offered on the arc bar (2)
(21) film (211), one end of film (211) covering through hole (11) are installed in；Glass is installed in the glass groove (3)
Flat board (31), the other end of glass plate (31) covering through hole (11)；The piston hole (4) is provided with piston apparatus (5), piston
Device (5) is made up of piston (51), piston rod (52), micro-step motor (53) and motor cabinet (54), motor cabinet (54) installation
On the madial wall of shell (1), side wall and motor cabinet (54) connection of micro-step motor (53), micro-step motor (53)
Output end is connected with piston rod (52), and being covered with the outer wall of piston rod (52) has external screw thread (521)；Described piston (51) one end
Surface circle centre position offers connecting hole (511), and the outer wall of piston (51) is nested with the first sealing ring (512) and the second sealing ring
(513), be covered with internal thread (5111) on connecting hole (511), between piston (51) and piston rod (52) by external screw thread (521) and
Internal thread (5111) engages, and passes through the first sealing ring (512) and the second sealing ring (513) between piston (51) and piston hole (4)
It is flexibly connected.
A kind of 2. Zoom lens according to claim 1, it is characterised in that：The through hole (11) is filled with REFRACTIVE LIQUID
Body, refractive liquid are located between film (211) and glass plate (31).
A kind of 3. Zoom lens according to claim 1, it is characterised in that：The film groove (21) and film (211)
Junction be covered with sealing ring, the junction of glass groove (3) and glass plate (31) is covered with sealing ring.
A kind of 4. Zoom lens according to claim 1, it is characterised in that：The side of the film (211) vertically connects
Annular ring is connected to, annular ring is fastened in film groove (21).
A kind of 5. Zoom lens according to claim 1, it is characterised in that：Second sealing ring (513) and piston
The diameter in hole (4) is identical, and the second sealing ring (513) and piston hole (4) are in close contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444287.6U CN206906619U (en) | 2017-04-26 | 2017-04-26 | A kind of Zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720444287.6U CN206906619U (en) | 2017-04-26 | 2017-04-26 | A kind of Zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206906619U true CN206906619U (en) | 2018-01-19 |
Family
ID=61290055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720444287.6U Expired - Fee Related CN206906619U (en) | 2017-04-26 | 2017-04-26 | A kind of Zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206906619U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110764170A (en) * | 2019-11-27 | 2020-02-07 | Oppo广东移动通信有限公司 | Optical element, lens, camera and electronic device |
| CN110908021A (en) * | 2019-11-25 | 2020-03-24 | Oppo广东移动通信有限公司 | Extrusion type liquid lens and lens module |
| CN110954978A (en) * | 2019-11-25 | 2020-04-03 | Oppo广东移动通信有限公司 | Extrusion type liquid lens and lens module |
| CN110989056A (en) * | 2019-11-25 | 2020-04-10 | Oppo广东移动通信有限公司 | Extrusion type liquid lens and lens module |
-
2017
- 2017-04-26 CN CN201720444287.6U patent/CN206906619U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110908021A (en) * | 2019-11-25 | 2020-03-24 | Oppo广东移动通信有限公司 | Extrusion type liquid lens and lens module |
| CN110954978A (en) * | 2019-11-25 | 2020-04-03 | Oppo广东移动通信有限公司 | Extrusion type liquid lens and lens module |
| CN110989056A (en) * | 2019-11-25 | 2020-04-10 | Oppo广东移动通信有限公司 | Extrusion type liquid lens and lens module |
| CN110954978B (en) * | 2019-11-25 | 2021-06-15 | Oppo广东移动通信有限公司 | Extrusion type liquid lens and lens module |
| CN110764170A (en) * | 2019-11-27 | 2020-02-07 | Oppo广东移动通信有限公司 | Optical element, lens, camera and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180119 Termination date: 20190426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |