CN209842226U - Telescope stretching lens cone - Google Patents
Telescope stretching lens cone Download PDFInfo
- Publication number
- CN209842226U CN209842226U CN201920239761.0U CN201920239761U CN209842226U CN 209842226 U CN209842226 U CN 209842226U CN 201920239761 U CN201920239761 U CN 201920239761U CN 209842226 U CN209842226 U CN 209842226U
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- CN
- China
- Prior art keywords
- lens
- barrel
- focusing
- telescope
- optical lens
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- Expired - Fee Related
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Abstract
The utility model discloses a telescopic lens cone of telescope relates to optics technical field, and it includes: a lens barrel body; one end of the lens cone body is provided with a lens, and the lens can be rotatably arranged through threads on the inner wall of the lens cone body; the other end of the lens cone body is provided with an installation joint; one end of the mounting joint is provided with an adjusting device; the adjusting device can be shifted to drive the lens to stretch or contract; the other end of the adjusting device is provided with a fixing device, and the other end of the fixing device is connected with the lens cone body. The device has wide applicability, good dustproof performance and capability of randomly adjusting the focal length.
Description
Technical Field
The utility model belongs to the technical field of the optical technology and specifically relates to a telescopic lens cone.
Background
The telescope has wide application and is popular among people. The telescope is divided into two types, one type is a monocular telescope, the other type is a binocular telescope, and people can select a monocular or a binocular according to personal requirements when purchasing and storing the telescope. People usually prefer binoculars, because the best mode of using the monocular in the using process is to use a monocular, and when the other eye is closed, a part of the group does not like the monocular, so that the binoculars are required to be replaced after a period of time; therefore, the binoculars are commonly used, a user can usually use the binoculars to watch after the focal length of the binoculars is adjusted according to an object to be watched, but some people cannot use the binoculars, and the binocular telescope cannot be used by some people because the condensation of the two eyes is inconsistent or the using effect caused by adjustment is not good, so that the user experience is reduced.
Therefore, the lens barrel which can be applied to the binoculars and the monocular is developed, so that the binoculars can be used by some people who cannot use the binoculars and the monocular can also be used by some people.
Disclosure of Invention
The invention of the utility model aims to: the telescopic lens barrel for the telescope is wide in applicability, good in dustproof performance and capable of adjusting the focal length at will.
The utility model adopts the technical scheme as follows:
a lens barrel body; one end of the lens cone body is provided with a lens, and the lens can be rotatably arranged through threads on the inner wall of the lens cone body; the other end of the lens cone body is provided with an installation joint; one end of the mounting joint is provided with an adjusting device; the adjusting device can be shifted to drive the lens to stretch or contract; the other end of the adjusting device is provided with a fixing device, and the other end of the fixing device is connected with the lens cone body.
Further, an inner optical lens, an outer optical lens, a focusing barrel, an outer lens barrel and an inner lens barrel are arranged inside the lens barrel body; the focusing barrel, the outer lens barrel and the inner lens barrel are cylindrical structures which are sequentially nested from outside to inside, the inner optical lens is arranged on the inner lens barrel, the outer optical lens is arranged on the outer lens barrel, and the distance between the inner optical lens and the outer optical lens is adjusted through the mutual movement between the inner lens and the outer lens barrel.
Furthermore, the focusing cylinder can be rotatably installed through threads on the inner wall of the lens barrel body.
Furthermore, a plurality of focusing bar holes are arranged on the circumferential surface of the outer lens barrel by taking the main shaft of the outer lens barrel as the center, and each focusing bar hole is obliquely arranged relative to the main shaft of the outer lens barrel.
Furthermore, sliding grooves are formed in the inner wall of the focusing barrel and the inner wall of the outer lens barrel, at least one of the inner optical lens and the outer optical lens is provided with a partial transmission part reflection coating layer, and a connecting piece with one end capable of moving in the sliding groove is arranged in the sliding groove.
Further, the sliding groove is a thread curve.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1) the applicability is wide: the utility model discloses a telescopic lens cone of telescope can be applied to monocular and binocular simultaneously, only need adjust suitable focus can, the suitability is wider.
2) The dustproof performance is good: the utility model discloses a focusing is implemented through the distance between optical lens and the outer optical lens in the mutual displacement adjustment between inner lens cone and the outer lens cone in the setting of outer lens cone and inner lens cone. The outer lens barrel is provided with a plurality of focusing bar holes on the circumferential surface thereof, with the main shaft of the outer lens barrel as the center, and each focusing bar hole is arranged obliquely relative to the main shaft of the outer lens barrel. A sliding groove is formed in the inner wall of the focusing barrel, and a connecting piece with one end capable of moving in the sliding groove is arranged in the sliding groove; the other end of the connecting piece penetrates through the focusing bar hole to be connected with the outer wall of the inner lens cone so as to drive the inner lens cone to move in the outer lens cone when the focusing barrel is rotated. The optical assembly is coated outside the outer lens cone through the focusing barrel, and the focusing barrel is used for plugging the focusing strip holes and other gaps, so that dust is prevented from entering the optical assembly.
3) The focal length adjustment range is wide: the utility model discloses an outer lens cone and inner lens cone and focusing section of thick bamboo all can remove, have guaranteed that the focusing scope is more extensive than ordinary telescope that can only remove a certain lens cone.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural view of the telescopic lens barrel of the present invention.
Fig. 2 is a schematic structural view of the inside of the lens barrel body of the telescope stretching lens barrel of the present invention.
In the figure, 1-installation joint, 2-adjusting device, 3-lens cone body, 4-lens, 5-installation joint, 6-fixing device, 7-outer lens cone, 8-outer optical lens, 9-inner lens cone, 10-inner optical lens.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
As shown in fig. 1-2, a telescope stretching barrel includes: a lens barrel body 3; one end of the lens cone body 3 is a lens 4, and the lens 4 can be rotatably installed through threads on the inner wall of the lens cone body 3; the other end of the lens cone body 3 is provided with an installation joint 5; one end of the 5-installation joint is provided with an adjusting device 2; the adjusting device 2 can be shifted to drive the lens 4 to stretch or contract; the other end of the adjusting device 2 is provided with a fixing device 6, and the other end of the fixing device 6 is connected with the lens cone body 3.
The lens barrel body 3 and the adjusting device 6 are connected by the fixing device 6, which means that the lens barrel body 3 is originally two separated parts, and the internal components are convenient to mount and dismount.
By installing the rubber sleeve on the mount joint 5, the lens barrel body 3 can be flexibly mounted and dismounted.
The adjusting device 2 can rotate, the inner wall of the adjusting device 2 is spirally embedded with the outer wall of the focusing barrel, and the inner wall of the adjusting device 2 can drive the focusing barrel to move through rotation, so that the outer lens barrel 7 and the inner lens barrel 9 are driven to move.
Further, an inner optical lens 10, an outer optical lens 8, a focusing barrel, an outer lens barrel 7 and an inner lens barrel 9 are arranged inside the lens barrel body 3; the focusing barrel, the outer lens barrel 7 and the inner lens barrel 9 are cylindrical structures which are sequentially nested from outside to inside, the inner optical lens 8 is arranged on the inner lens barrel 9, and the outer optical lens 8 is arranged on the outer lens barrel 7, so that the distance between the inner optical lens 10 and the outer optical lens 8 can be adjusted through the mutual movement between the inner lens barrel 9 and the outer lens barrel 7.
The focusing barrel is nested outside the outer lens barrel 7 and is arranged inside the lens barrel body 1.
The outer barrel 7 and the inner barrel 9 are arranged, and the distance between the inner optical lens 10 and the outer optical lens 8 is adjusted by the mutual movement between the inner barrel 9 and the outer barrel 7, so that focusing is performed. On the circumferential surface of the outer barrel 7, a plurality of focus bar holes are provided around the main shaft of the outer barrel 7, and each focus bar hole is provided obliquely with respect to the main shaft of the outer barrel 7. A sliding groove is formed in the inner wall of the focusing barrel, and a connecting piece with one end capable of moving in the sliding groove is arranged in the sliding groove; the other end of the connecting piece penetrates through the focusing bar hole to be connected with the outer wall of the inner lens cone 9, so that the inner lens cone 9 is driven to move in the outer lens cone 7 when the focusing barrel is rotated. .
Further, the focusing cylinder can be rotatably installed through threads on the inner wall of the lens barrel body 3.
Further, a plurality of focus bar holes are provided on the circumferential surface of the outer barrel 7 with the main shaft of the outer barrel 7 as the center, and each focus bar hole is provided obliquely with respect to the main shaft of the outer barrel 7.
Furthermore, sliding grooves are formed in the inner wall of the focusing barrel and the inner wall of the outer lens barrel 7, at least one of the inner optical lens 10 and the outer optical lens 8 is provided with a partially transmissive partially reflective coating layer, and a connecting piece with one end capable of moving in the sliding groove is arranged in the sliding groove.
Further, the sliding groove is a thread curve.
The present invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification, and to any novel method or process steps or any novel combination of features disclosed.
Claims (6)
1. A telescopic tube, comprising: a lens barrel body; one end of the lens cone body is provided with a lens, and the lens can be rotatably arranged through threads on the inner wall of the lens cone body; the other end of the lens cone body is provided with an installation joint; one end of the mounting joint is provided with an adjusting device; the adjusting device can be shifted to drive the lens to stretch or contract; the other end of the adjusting device is provided with a fixing device, and the other end of the fixing device is connected with the lens cone body.
2. The telescopic stretching barrel according to claim 1, wherein an inner optical lens, an outer optical lens, a focusing barrel, an outer barrel, and an inner barrel are provided inside the barrel body; the focusing barrel, the outer lens barrel and the inner lens barrel are cylindrical structures which are sequentially nested from outside to inside, the inner optical lens is arranged on the inner lens barrel, the outer optical lens is arranged on the outer lens barrel, and the distance between the inner optical lens and the outer optical lens is adjusted through the mutual movement between the inner lens and the outer lens barrel.
3. The telescope extension barrel according to claim 2, wherein the focusing barrel is rotatably mounted by threads on an inner wall of the barrel body.
4. The telescope stretching barrel according to claim 3, wherein a plurality of focusing lens holes are provided on a circumferential surface of the outer barrel centering on a main axis of the outer barrel, each of the focusing lens holes being disposed obliquely with respect to the main axis of the outer barrel.
5. The telescopic telescope stretching barrel according to claim 4, wherein the inner wall of the focusing barrel and the inner wall of the outer barrel are each provided with a slide groove, at least one of the inner optical lens and the outer optical lens has a partially transmissive partially reflective coating, and a connecting member having one end movable in the slide groove is provided in the slide groove.
6. The telescope draw tube of claim 5, wherein the sliding groove is a threaded curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239761.0U CN209842226U (en) | 2019-02-26 | 2019-02-26 | Telescope stretching lens cone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239761.0U CN209842226U (en) | 2019-02-26 | 2019-02-26 | Telescope stretching lens cone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209842226U true CN209842226U (en) | 2019-12-24 |
Family
ID=68904662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920239761.0U Expired - Fee Related CN209842226U (en) | 2019-02-26 | 2019-02-26 | Telescope stretching lens cone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209842226U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099222A (en) * | 2020-09-21 | 2020-12-18 | 淮安市岽盛光电仪器有限公司 | Flat field lens assembly focusing device for telescope |
-
2019
- 2019-02-26 CN CN201920239761.0U patent/CN209842226U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112099222A (en) * | 2020-09-21 | 2020-12-18 | 淮安市岽盛光电仪器有限公司 | Flat field lens assembly focusing device for telescope |
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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: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |