CN111856702A

CN111856702A - Anti-dazzle optical prism

Info

Publication number: CN111856702A
Application number: CN202010710864.8A
Authority: CN
Inventors: 刘勇; 刘天煜
Original assignee: Jiangsu Precise Way Optics Co ltd
Current assignee: Jiangsu Precise Way Optics Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2020-10-30

Abstract

The invention relates to the field of prisms, and discloses an anti-dazzle optical prism, which comprises a lens barrel, wherein the lens barrel is of a cylindrical hollow structure, a through hole with the diameter consistent with that of a rotating shaft is formed in the lens barrel, the lens barrel is sleeved on the curved surface of the outer wall of the rotating shaft, one side, away from a handle, of the rotating shaft abuts against one end of a lens base, the lens base is of a cuboid structure, the upper surface of the lens base abuts against the bottom side of a lens body, a cover plate is arranged on the upper surface of the lens barrel, the cover plate is provided with the through hole with the diameter consistent with that of a first sheath, the first sheath penetrates through the through hole in the lens barrel, and the first sheath wraps. This anti-dazzle optical prism opens first sheath after, and light receives the refraction from the mirror body, presents on the eyepiece at last by the lens cone transmission, can change the refraction angle of the prism mirror body through the angle of adjustment handle and adjusting hand wheel to the focus is also adjusted thereupon, thereby makes the formation of image definition of mirror body higher, has realized the function that the refraction angle can be adjusted.

Description

Anti-dazzle optical prism

Technical Field

The invention relates to the field of prisms, in particular to an anti-dazzle optical prism.

Background

The prism is a transparent object formed by two crossed planes which are not parallel to each other and are used for splitting light or dispersing light beams, the plane perpendicular to the side surface is called a main section, and the prism can be divided into a triangular prism, a right-angle prism, a pentagonal prism and the like according to the shape of the main section, and the main section of the triangular prism is triangular. The prism has two refraction surfaces, the included angle of the two refraction surfaces is called the apex angle, the plane opposite to the apex angle is the bottom surface, the application is very wide in optical instruments, the prism can be divided into a plurality of types according to the property and the application, the proceeding direction of light is changed in instruments such as a periscope and a binocular telescope, and the imaging position of the prism is adjusted by the so-called total reflection prism.

The anti-glare optical prism in the prior art has the following defects:

1. the imaging definition of the existing prism body is low, and the refraction angle is inconvenient to adjust;

2. the existing prism body has poor stability and short service life.

To this end, we have designed an anti-glare optical prism.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides an anti-dazzle optical prism, which solves the problems of low imaging definition, inconvenient adjustment and poor stability of refraction angle and short service life.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides an anti-dazzle optical prism, includes the lens cone, the lens cone is cylinder hollow structure, and sets up the through-hole unanimous with the pivot diameter in the lens cone, the lens cone cover is established on the outer wall curved surface of pivot, and the pivot is kept away from one side of handle and is contradicted with the one end of microscope base, the microscope base is the cuboid structure, and the upper surface of microscope base and the bottom side of the mirror body are contradicted, the last surface mounting of lens cone has the apron, and sets up the through-hole unanimous with first sheath diameter on the apron, first sheath runs through the through-hole on the lens cone, and a week of first sheath parcel and mirror body.

Furthermore, the lens body is located in the cavity of the lens barrel, the lens body and the ocular lens are parallel to each other, the lens body and the ocular lens are rotatably connected through a rotating shaft, and the other end of the rotating shaft abuts against one side of the lens base.

Furthermore, the bottom side of the lens cone is fixedly connected with the top end of the second sheath, a threaded hole with the diameter identical to that of the support is formed in the left side of the second sheath, the tail end of the support extends into the threaded hole formed in the second sheath, and the top end of the support is fixedly connected with one side of the adjusting screw.

Further, the tail end of lens cone with install the handle, and handle and eyepiece joint each other, the eyepiece is close to one side of handle and installs the calibrated scale, and the tail end of eyepiece installs adjusting hand wheel.

Furthermore, a group of carrying platforms are arranged between the lens barrel and the first sheath, and the positions of the carrying platforms and the lens base are parallel to each other.

Furthermore, an explosion-proof film is attached to the eyepiece.

The invention has the beneficial effects that:

1. according to the invention, the first sheath penetrates through the through hole on the lens barrel, the first sheath wraps the periphery of the lens body, after the first sheath is opened, light is refracted from the lens body and is transmitted by the lens barrel and finally displayed on the ocular lens, the refraction angle of the prism lens body can be changed by adjusting the angles of the handle and the adjusting hand wheel, and the focal length is adjusted accordingly, so that the imaging definition of the lens body is higher, and the function of adjusting the refraction angle is realized.

2. According to the prism lens body, the tail end of the support extends into the threaded hole formed in the second sheath, the top end of the support is fixedly connected with one side of the adjusting screw, the adjusting screw is rotated to enable the distance between the second sheath and the lens barrel to be adjustable, and the lens seat and the lens barrel are matched for use, so that the position of the prism lens body is more stable, and the function of prolonging the service life of the lens body is achieved.

Drawings

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

FIG. 2 is a schematic structural diagram of the mirror body;

FIG. 3 is a schematic diagram of the right view structure of the present invention.

In the figure: 1. a lens base; 2. a mirror body; 3. a cover plate; 4. adjusting screws; 5. a lens barrel; 6. adjusting a hand wheel; 7. an eyepiece; 8. a handle; 9. a stage; 10. a dial scale; 11. a first sheath; 12. a second sheath; 13. a rotating shaft; 14. a support; 15. an explosion-proof membrane.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. 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 FIGS. 1-3: an anti-dazzle optical prism comprises a lens cone 5, wherein the lens cone 5 is of a cylindrical hollow structure, a through hole with the diameter consistent with that of a rotating shaft 13 is formed in the lens cone 5, the lens cone 5 is sleeved on a curved surface of the outer wall of the rotating shaft 13, one side, far away from a handle 8, of the rotating shaft 13 is abutted to one end of a lens base 1, the lens base 1 is of a cuboid structure, the upper surface of the lens base 1 is abutted to the bottom side of a lens body 2, a cover plate 3 is installed on the upper surface of the lens cone 5, a through hole with the diameter consistent with that of a first sheath 11 is formed in the cover plate 3, the first sheath 11 penetrates through the through hole in the lens cone 5, the first sheath 11 wraps the periphery of the lens body 2, after the first sheath 11 is opened, light is refracted from the lens body 2 and is transmitted by the lens cone 5 and finally displayed on an eyepiece 7, the refraction angle of the prism lens body 2 can be, therefore, the imaging definition of the lens body 2 is higher, and the function of adjusting the refraction angle is realized.

Wherein, the mirror body 2 is located the cavity of lens cone 5, and the mirror body 2 and eyepiece 7 between parallel to each other, rotate by pivot 13 between mirror body 2 and the eyepiece 7 and be connected, and the other end of pivot 13 contradicts with one side of microscope base 1, and the prism mirror body 2 of being convenient for realizes the optic fibre refraction like this.

Wherein, the bottom side of lens cone 5 and the top fixed connection of second sheath 12, and the screw hole unanimous with support 14 diameter is seted up on the left side of second sheath 12, the tail end of support 14 extends to in the screw hole of seting up on the second sheath 12, and the top of support 14 and one side fixed connection of adjusting screw 4, it can make the distance between second sheath 12 and the lens cone 5 adjust to rotate adjusting screw 4, use through the cooperation of microscope base 1 and lens cone 5, make the position of prism mirror body 2 more stable, thereby realized the function that the mirror body 2 life increases.

Wherein, the tail end of lens cone 5 with install handle 8, and handle 8 and eyepiece 7 joint each other, the eyepiece 7 is close to one side of handle 8 and installs calibrated scale 10, and the tail end of eyepiece 7 installs adjusting hand wheel 6, is convenient for like this adjust the imaging definition.

A group of carrier 9 is installed between the lens barrel 5 and the first sheath 11, and the carrier 9 and the lens base 1 are parallel to each other, so that the stability of the lens body 2 is further improved.

Wherein, the ocular 7 is pasted with the explosion-proof film 15, so that the wear resistance of the ocular 7 is improved.

In summary, in the present invention, when the first sheath 11 is opened, light is refracted from the lens body 2, and is transmitted by the lens barrel 5 and finally appears on the eyepiece 7, the angle of the prism lens body 2 can be changed by adjusting the angles of the handle 8 and the adjusting handwheel 6, and the focal length is adjusted accordingly, so that the imaging definition of the lens body 2 is higher, and the function of adjusting the refraction angle is realized, the distance between the second sheath 12 and the lens barrel 5 can be adjusted by rotating the adjusting screw 4, and the position of the prism lens body 2 is more stable by using the lens base 1 and the lens barrel 5 in cooperation, so that the function of increasing the service life of the lens body 2 is realized.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. An anti-glare optical prism comprising a lens barrel (5), characterized in that: lens cone (5) are cylinder hollow structure, and offer the through-hole unanimous with pivot (13) diameter in lens cone (5), lens cone (5) cover is established on the outer wall curved surface of pivot (13), and pivot (13) keep away from one side of handle (8) and contradict with the one end of microscope base (1), microscope base (1) is the cuboid structure, and the upper surface of microscope base (1) contradicts with the bottom side of mirror body (2), the upper surface mounting of lens cone (5) has apron (3), and sets up the through-hole unanimous with first sheath (11) diameter on apron (3), first sheath (11) run through the through-hole on lens cone (5), and a week of first sheath (11) parcel and mirror body (2).

2. The anti-glare optical prism of claim 1, wherein: the lens body (2) is located in a cavity of the lens barrel (5), the lens body (2) and the ocular lens (7) are parallel to each other, the lens body (2) and the ocular lens (7) are rotatably connected through a rotating shaft (13), and the other end of the rotating shaft (13) is abutted against one side of the lens base (1).

3. The anti-glare optical prism of claim 1, wherein: the bottom side of the lens cone (5) is fixedly connected with the top end of the second sheath (12), the left side of the second sheath (12) is provided with a threaded hole with the diameter consistent with that of the support (14), the tail end of the support (14) extends into the threaded hole formed in the second sheath (12), and the top end of the support (14) is fixedly connected with one side of the adjusting screw (4).

4. The anti-glare optical prism of claim 1, wherein: the tail end of lens cone (5) with install handle (8), and handle (8) and eyepiece (7) joint each other, one side that eyepiece (7) are close to handle (8) is installed calibrated scale (10), and the tail end of eyepiece (7) installs adjusting handle (6).

5. The anti-glare optical prism of claim 1, wherein: a group of carrier (9) is arranged between the lens cone (5) and the first sheath (11), and the carrier (9) and the lens base (1) are parallel to each other.

6. The anti-glare optical prism of claim 1, wherein: an explosion-proof film (15) is attached to the ocular lens (7).