CN208060821U - infrared continuous zoom lens - Google Patents
infrared continuous zoom lens Download PDFInfo
- Publication number
- CN208060821U CN208060821U CN201820400373.1U CN201820400373U CN208060821U CN 208060821 U CN208060821 U CN 208060821U CN 201820400373 U CN201820400373 U CN 201820400373U CN 208060821 U CN208060821 U CN 208060821U
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- Prior art keywords
- lens
- lead screw
- shell
- connecting pole
- group
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Abstract
The utility model discloses a kind of infrared continuous zoom lens, including shell, the interior side of the shell is equipped with lens fixation group, the housing top wall of the side of the lens fixation group is equipped with lead screw, the both sides of the lead screw are equipped with rotation seat, one end of the lead screw is connected with speed reducer, the side of the speed reducer is coaxially connected with servo motor, the servo motor, which is fixed on, to be arranged on the mounting plate of case inside wall, the both sides up and down of two rotation seats are equipped with connecting pole, the side of the connecting pole is equipped with buffer board, one end of the connecting pole is arranged in the card slot on buffer board and is equipped with baffle on the end side wall of connecting pole.The cooperation that the utility model passes through the lead screw and sliding block of setting, the lens group made can be moved forward and backward on holder, servo motor registration, it can quickly stop moving, to improve the accuracy rate of zoom, and beginner only need button press can automatic focusing, enhance the versatility of focusing lens.
Description
Technical field
The utility model is related to optical lens technical field more particularly to a kind of infrared continuous zoom lens.
Background technology
Zoom lens refers to that can convert focal length in a certain range, to obtain the field angle of different width, different big
The camera gun of small video and different scenery ranges, zoom lens can pass through in the case where not changing shooting distance
Focal length is changed to change coverage, therefore is very beneficial for film composition.
Through retrieval, Chinese patent grant number CN205643833U proposes a kind of ten times of continuous magnification lens of near-infrared, mirror
Head includes first fixed group be made of the first lens, the second lens, the third lens being sequentially arranged in same optical axis；With preceding fixation
The zoom group that fourth lens, fiveth lens of the group in same optical axis form；With sixth lens of the zoom group in same optical axis,
The compensation group of 7th lens composition and the 8th lens set gradually with compensation group in same optical axis, the 9th lens, the
Latter fixed group of ten lens composition.The utility model near-infrared continuous magnification lens coordinate ICCD, realize low coverage in the case of low light
From and at a distance blur-free imaging requirement.
The shortcoming of existing infrared continuous zoom lens：It is the position for changing lens by rotating lens, it is first
First its zoom position can not be determined quickly, secondly more difficult using zoom function for beginner or the elderly, general
Property is poor.
Utility model content
The purpose of this utility model is to provide a kind of infrared continuous zoom lens, pass through the lead screw of setting and matching for sliding block
It closes, the lens group made can be moved forward and backward on holder, and servo motor registration can quickly stop moving, to improve
The advantages of accuracy rate of zoom, it is the position for changing lens by rotating lens to solve existing infrared continuous zoom lens
It sets, its zoom position can not be determined quickly first, secondly more difficult using zoom function for beginner or the elderly,
The poor problem of versatility.
According to a kind of infrared continuous zoom lens of the utility model embodiment, including shell, the inside one of the shell
Side is equipped with lens fixation group, and the housing top wall of the side of the lens fixation group is equipped with lead screw, and the both sides of the lead screw are all provided with
There are rotation seat, one end of the lead screw to be connected with speed reducer, the side of the speed reducer is coaxially connected with servo motor, described to watch
It taking motor and is fixed on and be arranged on the mounting plate of case inside wall, the both sides up and down of two rotation seats are equipped with connecting pole,
The side of the connecting pole is equipped with buffer board, and one end of the connecting pole is arranged in the card slot on buffer board and the end of connecting pole
Rostral wall is equipped with baffle, and the baffle is clamped with card slot, and spring is arranged on the connection column outer wall of the baffle side, described
One end of spring is fixed on the bottom wall of card slot, is set on the lateral wall of the lead screw there are two sliding block, the bottom of two sliding blocks
End is equipped with holder, is equipped with lens group in the holder, and the center bottom of the holder is equipped with limited block, under the limited block
Portion is set in connecting rod, and the connecting rod both ends are equipped with fixed seat, and two fixed seats are each provided at the bottom wall in shell
On.
Further, the other side in the shell is equipped with offset lens, the offset lens, lens group, lens
Fixed group is arranged on same horizontal line.
Further, the top side of the shell be equipped with switch, it is described switch respectively with servo motor, camera built in
Power supply is connected.
Further, port is equipped in the middle part of two buffer boards, the lead screw runs through port and turns with rotation seat
Dynamic connection.
Further, lens numbers set in the lens fixation group are 2-4.
Further, the distance that two sliding blocks are moved under lead screw effect is 0~15cm.
The utility model has an advantageous effect in that compared with prior art：
1, by the cooperation of the lead screw of setting and sliding block, the lens group made can be moved forward and backward on holder, servo electricity
Machine registration can quickly stop moving, and to improve the accuracy rate of zoom, the limited block of holder bottom end plays the work of limit
With making limited block be moved in connecting rod, so that the position of lens group is deviateed to prevent holder own rotation, people
Can by switch control servomotor forward and reverse, to adjust lens group respectively with lens fixation group, compensation
The distance of lens, practicability is stronger, and beginner only need button press can automatic focusing, enhance the general of focusing lens
Property；
2, in the buffer board of the opposite side setting of two rotation seats, the impact force of sliding block and rotation seat, sliding block are reduced
When hitting buffer board, buffer board movement, while can compressed spring, and connecting pole is gradually made to be in contact with card slot bottom wall completion
The deceleration of sliding block stops, the absorbable most of impact force of spring, to make the impact force suffered by sliding block reduce, to extend
The service life of sliding block.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 be the utility model proposes a kind of infrared continuous zoom lens structural schematic diagram；
Fig. 2 is the structure enlargement diagram of a-quadrant in Fig. 1.
In figure：1- shells, 2- lens fixations group, 3- rotation seats, 4- lead screws, 5- sliding blocks, 6- buffer boards, 7- connecting poles, 8-
Card slot, 9- baffles, 10- springs, 11- speed reducers, 12- servo motors, 13- holders, 14- lens group, 15- limited blocks, 16-
Connecting rod, 17- fixed seats, 18- offset lens, 19- switches.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig.1-2, a kind of infrared continuous zoom lens, including shell 1, the interior side of shell 1 are fixed equipped with lens
1 roof of shell of group 2, the side of lens fixation group 2 is equipped with lead screw 4, and the both sides of lead screw 4 are equipped with rotation seat 3, lead screw 4
One end is connected with speed reducer 11, and the side of speed reducer 11 is coaxially connected with servo motor 12, and servo 12 machines of electricity are fixed on setting and exist
On the mounting plate of 1 madial wall of shell, the both sides up and down of two rotation seats 3 are equipped with connecting pole 7, and the side of connecting pole 7, which is equipped with, delays
One end of punching 6, connecting pole 7 is arranged the card slot 8 on buffer board 6 Nei and is equipped with baffle 9, gear on the end side wall of connecting pole 7
Plate 9 is clamped with card slot 8, is arranged with spring 10 on 7 outer wall of connecting pole of 9 side of baffle, one end of spring 10 is fixed on card slot 8
On bottom wall, set on the lateral wall of lead screw 4 there are two sliding block 5, the bottom end of two sliding blocks 5 is equipped with holder 13, is equipped in holder 13 saturating
The center bottom of mirror zoom group 14, holder 13 is equipped with limited block 15, and 15 lower part of limited block is set in connecting rod 16, connecting rod 16
Both ends are equipped with fixed seat 17, and two fixed seats 17 are each provided on the bottom wall in shell 1.
The other side in shell 1 is equipped with offset lens 18, and offset lens 18, lens group 14, lens fixation group 2 are all provided with
It sets on same horizontal line；The top side of shell 1 be equipped with switch 19, switch 19 respectively in servo motor 12, camera
Power supply is set to be connected；The middle part of two buffer boards 6 is equipped with port, and lead screw 4 runs through port and is rotatablely connected with rotation seat 3；Thoroughly
Set lens numbers are 2-4 in mirror fixation group 2；Two sliding blocks 5 distance for being moved under the effect of lead screw 4 is 0~
15cm。
When focusing, by the cooperation of the lead screw 4 and sliding block 5 of setting, the lens group 14 made can be front and back on holder 13
Mobile, 12 registration of servo motor can quickly stop moving, to improve the accuracy rate of zoom, the limit of 13 bottom end of holder
Block 15 plays the role of limit, and limited block 15 is made to be moved in connecting rod 16, makes lens to prevent 13 own rotation of holder
The position of zoom group 14 is deviateed, and people can be saturating to adjust by the forward and reverse of 19 control servomotor 12 of switch
For mirror zoom group 14 respectively at a distance from lens fixation group 2, offset lens 18, practicability is stronger, and beginner need to only press by
Button can automatic focusing, enhance the versatility of focusing lens；In the buffer board 6 of the opposite side setting of two rotation seats 3, subtract
The small impact force of sliding block 5 and rotation seat 3, when hitting buffer board 6, buffer board 6 moves sliding block 5, at the same can compressed spring 10,
And so that connecting pole 7 is in contact with 8 bottom wall of card slot and completes the deceleration stopping of sliding block 5, the absorbable most of impact of spring 10
Power, to make the impact force suffered by sliding block 5 reduce, to extend the service life of sliding block 5.
Place is not described in detail for the utility model, is the known technology of those skilled in the art.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of infrared continuous zoom lens, it is characterised in that：Including shell (1), the interior side of the shell (1) is equipped with thoroughly
Mirror fixation group (2), shell (1) roof of the side of the lens fixation group (2) are equipped with lead screw (4), and the two of the lead screw (4)
Side is equipped with rotation seat (3), and one end of the lead screw (4) is connected with speed reducer (11), and the side of the speed reducer (11) is coaxial
It is connected with servo motor (12), the servo motor (12), which is fixed on, to be arranged on the mounting plate of shell (1) madial wall, two institutes
The both sides up and down for stating rotation seat (3) are equipped with connecting pole (7), and the side of the connecting pole (7) is equipped with buffer board (6), the company
The one end for connecing column (7) is arranged in card slot (8) on buffer board (6) and is equipped on the end side wall of connecting pole (7) baffle (9),
The baffle (9) is clamped with card slot (8), and spring (10) is arranged on connecting pole (7) outer wall of baffle (9) side, described
One end of spring (10) is fixed on the bottom wall of card slot (8), is set on the lateral wall of the lead screw (4) there are two sliding block (5), two
The bottom end of the sliding block (5) is equipped with holder (13), and lens group (14) is equipped in the holder (13), the holder (13)
Center bottom is equipped with limited block (15), and limited block (15) lower part is set in connecting rod (16), the connecting rod (16) two
End is equipped with fixed seat (17), and two fixed seats (17) are each provided on the bottom wall in shell (1).
2. a kind of infrared continuous zoom lens according to claim 1, it is characterised in that：It is another in the shell (1)
Side is equipped with offset lens (18), and the offset lens (18), lens group (14), lens fixation group (2) are arranged at same
On horizontal line.
3. a kind of infrared continuous zoom lens according to claim 1, it is characterised in that：The top one of the shell (1)
Side is equipped with switch (19), and the switch (19) is connected with servo motor (12), camera built-in power respectively.
4. a kind of infrared continuous zoom lens according to claim 1, it is characterised in that：Two buffer boards (6)
Middle part is equipped with port, and the lead screw (4) is run through port and is rotatablely connected with rotation seat (3).
5. a kind of infrared continuous zoom lens according to claim 1, it is characterised in that：In the lens fixation group (2)
Set lens numbers are 2-4.
6. a kind of infrared continuous zoom lens according to claim 1, it is characterised in that：Two sliding blocks (5) are in silk
Lower the moved distance of bar (4) effect is 0~15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820400373.1U CN208060821U (en) | 2018-03-22 | 2018-03-22 | infrared continuous zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820400373.1U CN208060821U (en) | 2018-03-22 | 2018-03-22 | infrared continuous zoom lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208060821U true CN208060821U (en) | 2018-11-06 |
Family
ID=63988316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820400373.1U Expired - Fee Related CN208060821U (en) | 2018-03-22 | 2018-03-22 | infrared continuous zoom lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208060821U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045183A (en) * | 2019-12-31 | 2020-04-21 | Oppo广东移动通信有限公司 | Zoom lens, imaging module and electronic equipment |
| CN111528771A (en) * | 2020-03-27 | 2020-08-14 | 浙江大学 | Electronic endoscope imaging objective lens zooming adjusting mechanism |
| CN112630951A (en) * | 2020-11-28 | 2021-04-09 | 中国航空工业集团公司洛阳电光设备研究所 | Ball screw fixing part with high-reliability limiting device |
-
2018
- 2018-03-22 CN CN201820400373.1U patent/CN208060821U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045183A (en) * | 2019-12-31 | 2020-04-21 | Oppo广东移动通信有限公司 | Zoom lens, imaging module and electronic equipment |
| CN111528771A (en) * | 2020-03-27 | 2020-08-14 | 浙江大学 | Electronic endoscope imaging objective lens zooming adjusting mechanism |
| CN111528771B (en) * | 2020-03-27 | 2022-02-18 | 浙江大学 | Electronic endoscope imaging objective lens zooming adjusting mechanism |
| CN112630951A (en) * | 2020-11-28 | 2021-04-09 | 中国航空工业集团公司洛阳电光设备研究所 | Ball screw fixing part with high-reliability limiting device |
| CN112630951B (en) * | 2020-11-28 | 2023-06-09 | 中国航空工业集团公司洛阳电光设备研究所 | Ball screw fixing part with high-reliability limiting 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181106 |