CN207817287U - A kind of positioning device of camera lens aperture setting ring - Google Patents
A kind of positioning device of camera lens aperture setting ring Download PDFInfo
- Publication number
- CN207817287U CN207817287U CN201820229200.8U CN201820229200U CN207817287U CN 207817287 U CN207817287 U CN 207817287U CN 201820229200 U CN201820229200 U CN 201820229200U CN 207817287 U CN207817287 U CN 207817287U
- Authority
- CN
- China
- Prior art keywords
- ring
- fixed
- camera lens
- bayonet lock
- column
- 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.)
- Expired - Fee Related
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- Closed-Circuit Television Systems (AREA)
Abstract
The utility model discloses a kind of positioning devices of camera lens aperture setting ring, including ontology, fixed ring, beam and spring ring, the outer body is equipped with fixed ring, the fixed ring is to be connected to ontology by pasting, bayonet lock is equipped on the inside of the fixed ring, the bayonet lock is to be connected to fixed ring by pasting, fixed column is equipped on the right side of the bayonet lock, the fixed column is to weld bayonet lock by welding, spring ring is equipped on the inside of the fixed column, the inner side is equipped with support column, the support column is to be connected to fixed column by pasting, the use of spring ring and bayonet lock, mounting structure is simple, using effect is good, diaphragm is facilitated to be installed with camera lens, it is convenient for people to use.
Description
Technical field
The utility model is related to the positioning device technical field of camera lens aperture setting ring, specially a kind of camera lens diaphragm
The positioning device of regulation ring.
Background technology
Diaphragm refers to that all to play the material object of restriction effect to light beam in optical system be all diaphragm.It can be lens
Edge, frame or the screen with holes being especially arranged.It, which is acted on, can be divided to two aspects, limit light beam or limitation visual field (areas imaging) is big
It is small.The most diaphragm of light beam, referred to as aperture diaphragm are limited in optical system, the most diaphragm of limitation visual field (size) referred to as regards
Field diaphragm.As from the foregoing, aperture diaphragm and field stop are both in kind.Determine the general rule of the aperture diaphragm of optical system
It is then:The picture of diaphragm or diaphragm in terms of object point, by that of wherein subtended angle minimum, to determine the aperture diaphragm of optical system.
If subtended angle it is minimum be certain diaphragm picture, the diaphragm inherently aperture diaphragm.Existing camera lens diaphragm tune in the market
The scarce of positioning device of section ring has, inconvenient disassembly and assembly during use, it has not been convenient to the use of people.
Utility model content
The purpose of this utility model is to provide a kind of positioning devices of camera lens aperture setting ring, solve background technology
Proposed in the problem of.
To achieve the above object, the utility model provides the following technical solutions：A kind of positioning of camera lens aperture setting ring
Device, including ontology, fixed ring, beam and spring ring, the outer body are equipped with fixed ring, and the fixed ring is by viscous
Patch is connected to ontology, and bayonet lock is equipped on the inside of the fixed ring, and the bayonet lock is to be connected to fixed ring by pasting, and the bayonet lock is right
Side is equipped with fixed column, and the fixed column is to weld bayonet lock by welding, and spring ring, the spring ring are equipped on the inside of the fixed column
Inside is equipped with support column, and the support column is to be connected to fixed column by pasting.
Barn door is equipped on the left of the ontology, the barn door is to be threadingly attached to ontology.
As a kind of preferred embodiment of the utility model, shell is equipped on the outside of the fixed ring, the shell is logical
It crosses stickup and is connected to fixed ring.
As a kind of preferred embodiment of the utility model, nut is equipped on the right side of the fixed column, the nut is logical
It crosses and is threadedly connected to fixed column.
As a kind of preferred embodiment of the utility model, beam, the beam are equipped on the inside of the fixed column
It is to be connected to fixed column by pasting.
Compared with prior art, the beneficial effects of the utility model：The use of spring ring and bayonet lock, mounting structure is simple,
Using effect is good, facilitates diaphragm and camera lens to be installed, is convenient for people to use.
Description of the drawings
Fig. 1 is a kind of positioning device structure schematic diagram of camera lens aperture setting ring of the utility model.
In figure:1 ontology, 2 barn doors, 3 shells, 4 fixed rings, 5 bayonet locks, 6 fixed columns, 7 beams, 8 spring rings, 9 supports
Column, 10 nuts.
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, a kind of positioning device of camera lens aperture setting ring, including ontology 1, fixed ring 4,7 and of beam
Spring ring 8,1 outside of the ontology are equipped with fixed ring 4, and the fixed ring 4 is to be connected to ontology 1, the fixed ring 4 by pasting
Inside is equipped with bayonet lock 5, and the bayonet lock 5 is to be connected to fixed ring 3 by pasting, and 5 right side of the bayonet lock is equipped with fixed column 6, described
Fixed column 6 is by being welded to connect bayonet lock 5, and 6 inside of the fixed column is equipped with spring ring 8, and 8 inside of the spring ring is equipped with support
Column 9, the support column 9 are to be connected to fixed column 6 by pasting.
As a kind of preferred technical solution in the present embodiment：1 left side of the ontology is equipped with barn door 2, the barn door 2
It is to be threadingly attached to ontology 1, the setting of barn door 2 is convenient for the use of ontology 1,4 outside of the fixed ring to be equipped with shell 3,
The shell 3 is to be connected to fixed ring 4 by pasting, and convenient for the use of people, 6 right side of the fixed column is set for the setting of shell 3
It is to be threadingly attached to fixed column 6 to have nut 10, the nut 10, and 6 inside of the fixed column is equipped with beam 7, described to subtract
Shake pad 7 is to be connected to fixed column 6 by pasting, and the use of spring ring 8 is convenient in the setting of beam 7.
The improvement of the utility model is：1 outside of ontology is equipped with fixed ring 4, and 4 inside of fixed ring is equipped with bayonet lock 5, bayonet lock 5
It is equipped with fixed column 6,6 inside of fixed column is equipped with spring ring 8, and spring ring 8 is equipped with beam 7, and spring ring 8 is by support column 9
It is fixed, diaphragm will be attached by bayonet lock 5 with camera lens, and the use of spring ring 8 and bayonet lock 5, mounting structure is simple, makes
It is good with effect, facilitate diaphragm and camera lens to be installed, is convenient for people to use.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of positioning device of camera lens aperture setting ring, including ontology (1), fixed ring (4), beam (7) and spring ring
(8), it is characterised in that：Fixed ring (4) is equipped on the outside of the ontology (1), the fixed ring (4) is to be connected to ontology by pasting
(1), bayonet lock (5) is equipped on the inside of the fixed ring (4), the bayonet lock (5) is to be connected to fixed ring (4), the card by pasting
It sells and is equipped with fixed column (6) on the right side of (5), the fixed column (6) is by being welded to connect bayonet lock (5), being set on the inside of the fixed column (6)
There is spring ring (8), support column (9) is equipped on the inside of the spring ring (8), the support column (9) is to be connected to fixation by pasting
Column (6).
2. a kind of positioning device of camera lens aperture setting ring according to claim 1, it is characterised in that：The ontology
(1) left side is equipped with barn door (2), and the barn door (2) is to be threadingly attached to ontology (1).
3. a kind of positioning device of camera lens aperture setting ring according to claim 1, it is characterised in that：The fixed ring
(4) outside is equipped with shell (3), and the shell (3) is to be connected to fixed ring (4) by pasting.
4. a kind of positioning device of camera lens aperture setting ring according to claim 1, it is characterised in that：The fixed column
(6) right side is equipped with nut (10), and the nut (10) is to be threadingly attached to fixed column (6).
5. a kind of positioning device of camera lens aperture setting ring according to claim 1, it is characterised in that：The fixed column
(6) inside is equipped with beam (7), and the beam (7) is to be connected to fixed column (6) by pasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820229200.8U CN207817287U (en) | 2018-02-09 | 2018-02-09 | A kind of positioning device of camera lens aperture setting ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820229200.8U CN207817287U (en) | 2018-02-09 | 2018-02-09 | A kind of positioning device of camera lens aperture setting ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207817287U true CN207817287U (en) | 2018-09-04 |
Family
ID=63320056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820229200.8U Expired - Fee Related CN207817287U (en) | 2018-02-09 | 2018-02-09 | A kind of positioning device of camera lens aperture setting ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207817287U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646936A (en) * | 2019-09-17 | 2020-01-03 | 中国科学院光电研究院 | Adjustable diaphragm device suitable for different light beam conditions |
-
2018
- 2018-02-09 CN CN201820229200.8U patent/CN207817287U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646936A (en) * | 2019-09-17 | 2020-01-03 | 中国科学院光电研究院 | Adjustable diaphragm device suitable for different light beam conditions |
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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: 20180904 Termination date: 20200209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |