CN216561151U

CN216561151U - Scratch-proof field lens

Info

Publication number: CN216561151U
Application number: CN202123415151.8U
Authority: CN
Inventors: 黄海涛
Original assignee: Suzhou Chengping Zhichuang Electronic Technology Co ltd
Current assignee: Suzhou Chengping Zhichuang Electronic Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-05-17
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a scratch-proof field lens, which relates to the field lens technology field, and comprises a protective cover, a fixed ring and a field lens body, wherein one end of the field lens body is provided with the fixed ring, the fixed ring is movably connected with the protective cover through a hinge, the periphery of the fixed ring is provided with a fixed bolt, the outer sides of the protective cover and the fixed ring are both provided with buckles, the inner part of the protective cover is provided with a limit block, the limit block is fixedly connected with a top cover of the protective cover, the inner side of the protective cover is provided with a dust removal mechanism, the dust removal mechanism comprises a containing cover, protective cotton, an attaching plate, a threaded hole, a hollow threaded column, a first handle, a second handle, a bearing, a connecting shaft and an external threaded ring, the protective cover is buckled on the fixed ring, so that a field lens is protected, the lens is prevented from being scratched, the protective cotton is pushed to be close to the lens, after the protective cotton is contacted with the lens, the first handle is stopped to rotate the second handle, thereby it is rotatory to drive the protection cotton, realizes clearing up the impurity on the camera lens, easy operation, convenient and practical.

Description

Scratch-proof field lens

Technical Field

The utility model relates to the technical field of field lenses, in particular to a scratch-resistant field lens.

Background

The field lens is a lens which works near the focal plane of the objective lens and can effectively reduce the size of the detector, and is mainly used for improving the capability of the edge light beam to enter the detector; in the same main optical system, the additional field lens will reduce the area of the detector, etc.

The field lens has important application in modern times, is expensive as a high-end lens, needs to pay attention to the fact that the lens is scratched in the using process, and meanwhile needs to remove dust attached to the lens so as to avoid affecting functions of the lens.

In order to solve the problems, the utility model provides a scratch-resistant field lens.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a scratch-proof field lens, wherein one end of a field lens body is provided with a fixed ring which is movably connected with a protective cover through a hinge, the periphery of the fixed ring is provided with a fixed bolt, the outer sides of the protective cover and the fixed ring are respectively provided with a buckle, the inner part of the protective cover is provided with a limiting block which is fixedly connected with a protective cover top cover, the inner side of the protective cover is provided with a dust removing mechanism, the dust removing mechanism comprises a receiving cover, protective cotton, an attaching plate, a threaded hole, a hollow threaded column, a first handle, a second handle, a bearing, a connecting shaft and an external threaded ring, the protective cover is buckled on the fixed ring, so that the field lens is protected, the lens is prevented from being scratched, the hollow threaded column is used for pushing the protective cotton to be close to the lens, after the protective cotton is contacted with the lens, the first handle is stopped to rotate, the second handle is rotated, so that the protective cotton is driven to rotate, and impurities on the lens are cleaned, the operation is simple, convenient and practical, thereby solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a scratch-resistant field lens; including protection casing, solid fixed ring and field lens body, its characterized in that: one end of the field lens body is provided with a fixed ring, one side of the fixed ring is provided with a rotatable protective cover, and the periphery of the fixed ring is provided with a fixed bolt;

the protection casing all is provided with the buckle with solid fixed ring outside, the inside stopper that is provided with of protection casing, stopper and protection casing top cap fixed connection.

Further, the protection casing inboard is provided with dust removal mechanism, dust removal mechanism is including accomodating the lid, the protection is cotton, the attaching plate, the screw hole, the hollow thread post, the first in command, the second in command, the bearing, connecting axle and external screw thread ring, protection casing top cap center is opened threaded hole, screw hole and hollow thread post threaded connection, the first in command of hollow thread post one end fixedly connected with, two bearings of the inside fixedly connected with of hollow thread post, the connecting axle passes from the bearing is inside, connecting axle one end fixed connection attaching plate, other end fixed connection second in command, protection casing top cap fixedly connected with external screw thread ring, external screw thread ring and accomodating the lid threaded connection.

Furthermore, the number of the fixing bolts is four, the fixing bolts are evenly distributed around the fixing ring, the inner side of the fixing ring is provided with a sealing gasket, and the fixing ring is fixedly connected with the sealing gasket.

Further, the diameter of rigging board is less than the diameter of protection casing, and the protection cotton is unanimous with rigging board diameter, rigging board and the cotton fixed connection of protection.

Further, the first handle and the second handle are both located inside the storage cover.

Furthermore, the number of the limiting blocks is four, the limiting blocks are uniformly fixed inside the top cover of the protective cover, and the tops of the limiting blocks are in contact with the shell of the field lens body.

Further, the fixed ring is movably connected with the protective cover through a hinge.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the scratch-proof field lens, the protective cover can be buckled on the fixing ring by arranging the fixing ring and the protective cover when the field lens is not used, so that a lens of the field lens is protected, and the lens is prevented from being scratched.

2. According to the scratch-resistant field lens, the hollow threaded column is used for pushing the protective cotton to be close to the lens, after the protective cotton is contacted with the lens, the first handle stops rotating, the second handle is rotated, so that the protective cotton is driven to rotate, impurities on the lens are cleaned, the protective cotton is soft in texture and cannot damage the lens, after cleaning is finished, the protective cotton is restored to the initial position, and then the storage cover is covered, so that the scratch-resistant field lens is simple to operate, convenient and practical.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of the structure of the retaining ring and shield of the present invention;

FIG. 4 is a cross-sectional view of the shield of the present invention;

FIG. 5 is an enlarged view of the utility model at A in FIG. 4.

In the figure: 1. a field lens body; 2. a protective cover; 3. a fixing ring; 4. fixing the bolt; 5. a gasket; 6. a limiting block; 7. a hinge; 8. a storage cover; 9. protecting cotton; 10. buckling; 11. a protective cover top cover; 12. attaching a plate; 13. a threaded hole; 14. a hollow threaded post; 15. a first handle; 16. a second handle; 17. a bearing; 18. a connecting shaft; 19. an externally threaded ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a scratch-resistant field lens includes a protective cover 2, a fixing ring 3 and a field lens body 1, and is characterized in that: a fixed ring 3 is arranged at one end of the field lens body 1, a rotatable protective cover 2 is arranged at one side of the fixed ring 3, and fixing bolts 4 are arranged around the fixed ring 3;

protection casing 2 and the solid fixed ring 3 outside all are provided with buckle 10, and protection casing 2 is inside to be provided with stopper 6, stopper 6 and protection casing top cap 11 fixed connection.

The inner side of the protective cover 2 is provided with a dust removing mechanism which comprises a containing cover 8, protective cotton 9, an attaching plate 12, a threaded hole 13 and a hollow threaded column 14, the first in command 15, the second in command 16, bearing 17, connecting axle 18 and external screw thread ring 19, protection casing top cap 11 center division threaded hole 13, threaded hole 13 and the 14 threaded connection of hollow thread post, the 14 one end fixedly connected with first in command 15 of hollow thread post, two bearings 17 of the inside fixedly connected with of hollow thread post, connecting axle 18 passes from bearing 17 is inside, 18 one end fixed connection rigging board 12 of connecting axle, other end fixed connection second in command 16, protection casing top cap 11 fixedly connected with external screw thread ring 19, external screw thread ring 19 with accomodate lid 8 threaded connection, accomodate lid 8 and be used for accomodating second in command 16 and first in command 15 isotructures, the holistic aesthetic property has been improved, dust removal mechanism has also been protected.

Fixing bolt 4 quantity is four, and evenly distributed is around solid fixed ring 3, and solid fixed ring 3 inboard is equipped with sealed pad 5, gu fixed ring 3 with sealed 5 fixed connection of filling up, sealed pad 5 can realize sealing connection after solid fixed ring 3 is connected with field lens body 1, prevent that outside debris from polluting the camera lens.

The diameter of the attaching plate 12 is smaller than that of the protective cover 2, the diameters of the protective cotton 9 and the attaching plate 12 are consistent, and the attaching plate 12 is fixedly connected with the protective cotton 9.

The first handle 15 and the second handle 16 are both located inside the storage cover 8, so that the first handle 15 and the second handle 16 can be protected.

Stopper 6 quantity is four, and stopper 6 evenly fixes inside protection casing top cap 11, and stopper 6 top and the shell contact of field lens body 1, stopper 6 can prevent that the field lens is direct to contact with protection cotton 9 when the solid fixed ring 3 of installation.

The fixed ring 3 is movably connected with the protective cover 2 through a hinge 7.

The working principle is as follows: at first, fix solid fixed ring 3 on field lens body 1 through fixing bolt 4, when needs use protection casing 2, rotate protection casing 2 to solid fixed ring 3 through hinge 7, lock through buckle 10, can prevent like this that the camera lens from being scratched, when needs clean the field lens camera lens, open and accomodate lid 8, rotate the first in command 15, drive hollow screw post 14 and rotate in the inside of screw hole 13, utilize hollow screw post 14 to promote protection cotton 9 and be close to the camera lens, after protection cotton 9 and camera lens contact, the stall first in command 15, and rotate second in command 16, thereby it is rotatory to drive protection cotton 9, realize clearing up the impurity on the camera lens, and protection cotton 9 is soft in texture, can not damage the camera lens, after the completion of clearing up, cover after restoring protection cotton 9 to the initial position and accomodate lid 8 can, the operation is simple, convenient and practical.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent scraping formula field lens, includes protection casing (2), solid fixed ring (3) and field lens body (1), its characterized in that: a fixing ring (3) is arranged at one end of the field lens body (1), a rotatable protective cover (2) is arranged at one side of the fixing ring (3), and fixing bolts (4) are arranged on the periphery of the fixing ring (3);

the protection casing (2) and solid fixed ring (3) outside all are provided with buckle (10), protection casing (2) inside is provided with stopper (6), stopper (6) and protection casing top cap (11) fixed connection.

2. The scratch resistant field lens of claim 1, wherein: the dust removal device is characterized in that a dust removal mechanism is arranged on the inner side of the protective cover (2), the dust removal mechanism comprises a storage cover (8), protective cotton (9), a joint plate (12), a threaded hole (13), a hollow threaded column (14), a first handle (15), a second handle (16), a bearing (17), a connecting shaft (18) and an external thread ring (19), the threaded hole (13) is formed in the center of the protective cover top cover (11), the threaded hole (13) is in threaded connection with the hollow threaded column (14), one end of the hollow threaded column (14) is fixedly connected with the first handle (15), the two bearings (17) are fixedly connected inside the hollow threaded column (14), the connecting shaft (18) penetrates through the inside of the bearing (17), one end of the connecting shaft (18) is fixedly connected with the joint plate (12), the other end of the connecting shaft is fixedly connected with the second handle (16), the external thread ring (19) is fixedly connected with the protective cover top cover (11), the external thread ring (19) is in threaded connection with the containing cover (8).

3. The scratch resistant field lens of claim 1, wherein: fixing bolt (4) quantity is four, and evenly distributed is around solid fixed ring (3), gu fixed ring (3) inboard is equipped with sealed pad (5), gu fixed ring (3) and sealed pad (5) fixed connection.

4. The scratch resistant field lens of claim 2, wherein: the diameter of attaching plate (12) is less than the diameter of protection casing (2), it is unanimous with attaching plate (12) diameter to protect cotton (9), attaching plate (12) and protection cotton (9) fixed connection.

5. The scratch resistant field lens of claim 2, wherein: the first handle (15) and the second handle (16) are both located inside the storage cover (8).

6. The scratch resistant field lens of claim 1, wherein: the number of the limiting blocks (6) is four, the limiting blocks (6) are uniformly fixed inside the protective cover top cover (11), and the tops of the limiting blocks (6) are in contact with the shell of the field lens body (1).

7. The scratch resistant field lens of claim 1, wherein: the fixing ring (3) is movably connected with the protective cover (2) through a hinge (7).