CN207232489U - A kind of adjustable pinhole lens - Google Patents
A kind of adjustable pinhole lens Download PDFInfo
- Publication number
- CN207232489U CN207232489U CN201721347100.7U CN201721347100U CN207232489U CN 207232489 U CN207232489 U CN 207232489U CN 201721347100 U CN201721347100 U CN 201721347100U CN 207232489 U CN207232489 U CN 207232489U
- Authority
- CN
- China
- Prior art keywords
- ring body
- ring
- circular slab
- axle
- housing cavity
- 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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Abstract
The utility model discloses a kind of adjustable pinhole lens, including housing, internal thread is equipped with the madial wall of the housing, also two cylindrical recesses are equipped with the madial wall of the housing cavity vertically, the upper end of each cylindrical recesses is connected by a vertical axis hole with outer, the first axle body and the second axle body are inserted with respectively in two axis holes, the first circular slab is fixed with the lower end of the first axle body, the second circular slab is fixed with the lower end of the second axle body, the first double wedge arranged in a ring is equipped with the both sides up and down of the edge of first circular slab, the second double wedge arranged in a ring is equipped with the both sides up and down of the edge of second circular slab；It is equipped with the first ring body, the second ring body, the 3rd ring body and the 4th ring body successively from top to bottom in the housing cavity.The utility model has the advantages that simple and reasonable, focus adjustable, suitable for wide popularization and application.
Description
Technical field
A kind of adjustable pinhole lens are the utility model is related to, belong to optical lens technical field.
Background technology
Have existed since ancient times for pin-hole imaging principle, but has about arrived 1830s, due to going out for chemical photosensitive material
It is existing, just so that pinhole lens become a reality, particularly recent decades, due to social fast development and the progress of electronics industry,
Pinhole lens are just widely used.As its name suggests, the small volume of pinhole lens, is mountable to be inconvenient to place large-scale shooting
The occasion of equipment.Existing pinhole lens are mostly cheap, simple in structure, and focal length is fixed, and can not change shooting distance,
When needing to adjust shooting distance, it is necessary to replace correspondingly pinhole lens, increase workload, and significantly limit its application
Scope.
Therefore, there is an urgent need for a kind of simple and reasonable, focus adjustable section pinhole lens.
Utility model content
In order to make up for the deficiencies of the prior art, the utility model provides a kind of simple and reasonable, focus adjustable section
Adjustable pinhole lens, to solve problems of the prior art.
The utility model is achieved by the following technical solution：
A kind of adjustable pinhole lens, including upper end are cone-shaped housing, and the hypomere of the housing cavity is cylindricality, in institute
The madial wall for stating housing cavity hypomere is equipped with internal thread, and it is recessed to be also equipped with two columns vertically on the madial wall of the housing cavity
Groove, the upper end of each cylindrical recesses are connected with outer by a vertical axis hole, are plugged respectively in two axis holes
There are the first axle body and the second axle body, the first axle body, the second axle body are connected with the gland seal, in the first axle body
Lower end be fixed with the first horizontal positioned circular slab, it is circular that horizontal positioned second is fixed with the lower end of the second axle body
Plate, the first double wedge arranged in a ring is equipped with the both sides up and down of the edge of first circular slab, in the described second circle
The both sides up and down of the edge of shape plate are equipped with the second double wedge arranged in a ring, and is fixed with the upper end of the first axle body
One rotary body, the second rotary body is fixed with the upper end of the second axle body；Set successively from top to bottom in the housing cavity
There are the first ring body, the second ring body, the 3rd ring body and the 4th ring body, first ring body, the second ring body, the 3rd ring body and Fourth Ring
Be equipped with external screw thread on the lateral wall of body, which is engaged with the internal thread, first ring body, the second ring body,
The both sides up and down of 3rd ring body and the 4th ring body are equipped with multiple snap-gauges, and first circular slab is located at first ring body and
Between two ring bodies, second circular slab is between the 3rd ring body and the 4th ring body；In the upper end of the housing cavity
Bent moon concavees lens are installed with, the first biconvex lens is arranged with first ring body, is arranged with second ring body
Two biconvex lens, the 3rd biconvex lens is arranged with the tricyclic body, and concavees lens are arranged with the body of the Fourth Ring,
Optical filter and sensitive film are fixedly provided with the downside of 4th ring body of the housing cavity.
Further optimally, it is equipped with anti-skid chequer on first rotary body and the second rotary body.
The beneficial effects of the utility model are：
1. in the utility model, first ring body, the second ring body, the 3rd ring body and the 4th ring body lateral wall on be all provided with
Have external screw thread, which is engaged with the internal thread, is so designed that, can by rotate first ring body, the second ring body,
3rd ring body and the 4th ring body, so as to adjust the distance between they, and then realize the adjusting of focal length.
2. first double wedge and the second double wedge can be inserted on the snap-gauge, so that, when first circular slab or second
When circular slab rotates, and then drive the rotation of first ring body, the second ring body, the 3rd ring body or the 4th ring body.
It 3. the first axle body and the second axle body are inserted into the axis hole respectively, can not only rotate, downslide can also be gone up
It is dynamic；Since first circular slab is between first ring body and the second ring body, second circular slab is positioned at described the
Between three ring bodies and the 4th ring body, it is so designed that, when in use, the first axle body is lifted, you can driving first ring
Body rotates, and is pushed, you can driving second ring body rotates, and lifts when by the second axle body, you can driving described the
Three ring bodies rotate, and the second axle body is pushed, you can driving the 4th ring body rotates, and above-mentioned design, can adjust institute respectively
The position of the first ring body, the second ring body, the 3rd ring body and the 4th ring body is stated, regulative mode is more flexible.
To sum up, the utility model has the advantages that simple and reasonable, focus adjustable section, suitable for wide popularization and application.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram one of the utility model.
Fig. 2 is the enlarged structure schematic diagram in A portions in Fig. 1.
Fig. 3 is the external structure schematic diagram of the utility model.
Fig. 4 is the structure diagram of the first ring body in the utility model.
Fig. 5 is the enlarged structure schematic diagram in B portions in Fig. 4.
Fig. 6 is the part-structure schematic diagram two of the utility model.
Fig. 7 is the enlarged structure schematic diagram in C portions in Fig. 6.
Fig. 8 is the sectional view of the utility model.
1 is housing in figure, and 2 be housing cavity, and 3 be internal thread, and 4 be cylindrical recesses, and 5 be the first axle body, and 6 be the second axis
Body, 7 be the first circular slab, and 8 be the second circular slab, and 9 be the first double wedge, and 10 be the second double wedge, and 11 be the first rotary body, and 12 be
Two rotary bodies, 13 be the first ring body, and 14 be the second ring body, and 15 be the 3rd ring body, and 16 be the 4th ring body, and 17 be external screw thread, and 18 are
Snap-gauge, 19 be bent moon concavees lens, and 20 be the first biconvex lens, and 21 be the second biconvex lens, and 22 be the 3rd biconvex lens, and 23 be recessed
Lens, 24 be optical filter, and 25 be sensitive film, and 26 be anti-skid chequer.
Embodiment
For that can understand the technical characterstic for illustrating technical solutions of the utility model, below by embodiment, and combine
Its attached drawing, the utility model is elaborated.
As shown in figures 1-8, a kind of adjustable pinhole lens, including upper end are cone-shaped housing 1, the housing cavity 2
Hypomere is cylindricality, and internal thread 3 is equipped with the madial wall of 2 hypomere of housing cavity, on the madial wall of the housing cavity 2 also
Two cylindrical recesses 4 are equipped with vertically, the upper end of each cylindrical recesses 4 is connected by a vertical axis hole with outer, two
Be inserted with the first axle body 5 and the second axle body 6 in a axis hole respectively, the first axle body 5, the second axle body 6 with the axis
Hole is tightly connected, and the first horizontal positioned circular slab 7 is fixed with the lower end of the first axle body 5, in the second axle body 6
Lower end is fixed with the second horizontal positioned circular slab 8, is equipped with the both sides up and down of the edge of first circular slab 7 in ring
First double wedge 9 of shape arrangement, it is convex to be equipped with arranged in a ring second in the both sides up and down of the edge of second circular slab 8
Tooth 10, the first rotary body 11 is fixed with the upper end of the first axle body 5, and second is fixed with the upper end of the second axle body 6
Rotary body 12；It is equipped with the first ring body 13, the second ring body 14,15 and of the 3rd ring body successively from top to bottom in the housing cavity 2
4th ring body 16, first ring body 13, the second ring body 14, the 3rd ring body 15 and the 4th ring body 16 lateral wall on be equipped with it is outer
Screw thread 17, the external screw thread 17 are engaged with the internal thread 3, in first ring body 13, the second ring body 14,15 and of the 3rd ring body
The both sides up and down of 4th ring body 16 are equipped with multiple snap-gauges 18, and first circular slab 7 is located at first ring body 13 and second
Between ring body 14, second circular slab 8 is between the 3rd ring body 15 and the 4th ring body 16；In the housing cavity 2
Upper end be installed with bent moon concavees lens 19, the first biconvex lens 20 is arranged with first ring body 13, in second ring
The second biconvex lens 21 is arranged with body 14, the 3rd biconvex lens 22 is arranged with the 3rd ring body 15, the described 4th
Concavees lens 23 are arranged with ring body 16, optical filter 24 and photosensitive is fixedly provided with the downside of the 4th ring body 16 of the housing cavity 2
Piece 25.Anti-skid chequer 26 is equipped with 11 and second rotary body 12 of the first rotary body.
In the present embodiment, first ring body 13, the second ring body 14, the 3rd ring body 15 and the 4th ring body 16 lateral wall on
External screw thread 17 is equipped with, which is engaged with the internal thread 3, is so designed that, can be by rotating first ring body
13rd, the second ring body 14, the 3rd ring body 15 and the 4th ring body 16, so as to adjust the distance between they, and then realize the tune of focal length
Section.First double wedge, 9 and second double wedge 10 can be inserted on the snap-gauge 18, so that, when first circular slab 7 or second is justified
When shape plate 8 rotates, and then drive the rotation of first ring body 13, the second ring body 14, the 3rd ring body 15 or the 4th ring body 16.
The first axle body 5 and the second axle body 6 are inserted into the axis hole respectively, can not only be rotated, can also be gone up downslide
It is dynamic；Since first circular slab 7 is between 13 and second ring body 14 of the first ring body, second circular slab 8 is located at
Between 3rd ring body 15 and the 4th ring body 16, it is so designed that, when in use, the first axle body 5 is lifted, you can driving
First ring body 13 rotates, and is pushed, you can and driving second ring body 14 rotates, and lifts when by the second axle body 6,
The 3rd ring body 15 can be driven to rotate, the second axle body 6 is pushed, you can driving the 4th ring body 16 rotates, on
Design is stated, the position of first ring body 13, the second ring body 14, the 3rd ring body 15 and the 4th ring body 16 can be adjusted respectively, is adjusted
Mode is more flexible.
The first axle body 5, the second axle body 6 are connected with the gland seal, are so designed that, can prevent debris and rainwater
Into in the housing cavity 2.The design of first rotary body, 11 and second rotary body 12, personnel easy to operation adjust manually
Section, the design of anti-skid chequer 26 thereon, can prevent finger slippage.
To sum up, the present embodiment has the advantages that simple and reasonable, focus adjustable section, suitable for wide popularization and application.
Part is not described in detail for the utility model, is the known technology of those skilled in the art of the present technique.Finally illustrate, with
Upper embodiment is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although with reference to preferred embodiment to the utility model
It is described in detail, it will be understood by those of ordinary skill in the art that, the technical solution of the utility model can be repaiied
Change or equivalent substitution, without departing from the objective and scope of technical solutions of the utility model, it should all cover in the utility model
Right among.
Claims (2)
1. a kind of adjustable pinhole lens, including upper end is cone-shaped housing, and the hypomere of the housing cavity is cylindricality, its feature
It is, internal thread is equipped with the madial wall of the housing cavity hypomere, is also equipped with vertically on the madial wall of the housing cavity
Two cylindrical recesses, the upper end of each cylindrical recesses is connected by a vertical axis hole with outer, in two axis holes
The first axle body and the second axle body are inside inserted with respectively, and the first axle body, the second axle body are connected with the gland seal, in institute
The lower end for stating the first axle body is fixed with the first horizontal positioned circular slab, is fixed with the lower end of the second axle body horizontal positioned
The second circular slab, the first double wedge arranged in a ring is equipped with the both sides up and down of the edge of first circular slab,
The both sides up and down of the edge of second circular slab are equipped with the second double wedge arranged in a ring, in the upper of the first axle body
End is fixed with the first rotary body, and the second rotary body is fixed with the upper end of the second axle body；From upper in the housing cavity
The first ring body, the second ring body, the 3rd ring body and the 4th ring body, first ring body, the second ring body, tricyclic are equipped with and successively
Be equipped with external screw thread on body and the lateral wall of the 4th ring body, which is engaged with the internal thread, first ring body,
The both sides up and down of second ring body, the 3rd ring body and the 4th ring body are equipped with multiple snap-gauges, and first circular slab is positioned at described the
Between one ring body and the second ring body, second circular slab is between the 3rd ring body and the 4th ring body；In the housing
The upper end of inner cavity is installed with bent moon concavees lens, and the first biconvex lens is arranged with first ring body, in second ring body
The second biconvex lens is inside arranged with, the 3rd biconvex lens is arranged with the tricyclic body, blocks in the body of the Fourth Ring and sets
There are concavees lens, optical filter and sensitive film are fixedly provided with the downside of the 4th ring body of the housing cavity.
2. a kind of adjustable pinhole lens according to claim 1, it is characterised in that in first rotary body and second
Anti-skid chequer is equipped with rotary body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721347100.7U CN207232489U (en) | 2017-10-19 | 2017-10-19 | A kind of adjustable pinhole lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721347100.7U CN207232489U (en) | 2017-10-19 | 2017-10-19 | A kind of adjustable pinhole lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207232489U true CN207232489U (en) | 2018-04-13 |
Family
ID=61851650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721347100.7U Expired - Fee Related CN207232489U (en) | 2017-10-19 | 2017-10-19 | A kind of adjustable pinhole lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207232489U (en) |
-
2017
- 2017-10-19 CN CN201721347100.7U patent/CN207232489U/en not_active Expired - Fee Related
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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: 20180413 Termination date: 20191019 |