CN220064472U

CN220064472U - Zero-order wave plate with protection function

Info

Publication number: CN220064472U
Application number: CN202321679007.1U
Authority: CN
Inventors: 谢少燕
Original assignee: Youlian Optoelectronic Technology Fuzhou Co ltd
Current assignee: Youlian Optoelectronic Technology Fuzhou Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-11-21
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses a zero-order wave plate with a protection function, which comprises a fixed seat, wherein a zero-order wave plate body is arranged in the fixed seat, limiting grooves are formed in two sides of the inner wall of the fixed seat, limiting blocks are arranged in the limiting grooves, and a pull rod penetrates through the fixed seat on one side surface of each limiting block. According to the zero-order wave plate, when the zero-order wave plate body is damaged, one end of the positioning bolt is far away from the positioning hole on the fixed seat by loosening the positioning bolt on one side surface of the reinforcing ring, the reinforcing ring is pulled, when the compression ring on one side surface of the reinforcing ring is far away from the zero-order wave plate body, the pull rod is pulled, so that the limiting block at one end of the pull rod moves in the limiting groove on the fixed seat, the zero-order wave plate body can be pulled to move while the limiting block moves, and when the zero-order wave plate body is far away from the fixed seat, the zero-order wave plate body can be taken down from the fixed seat, so that the zero-order wave plate body can be detached and replaced, and the practicability of the zero-order wave plate is improved.

Description

Zero-order wave plate with protection function

Technical Field

The utility model relates to the technical field of wave plates, in particular to a zero-order wave plate with a protection function.

Background

A wave plate is an optical device that can create an additional optical path difference (or phase difference) between two optical vibrations that are perpendicular to each other. Typically made of birefringent wafers of quartz, calcite or mica, etc. with precise thickness, with the optical axis parallel to the wafer surface. The linearly polarized light is vertically incident on the wafer, the vibration direction of the linearly polarized light is included with the optical axis of the wafer by an angle theta (theta not equal to 0), and the incident light vibration is decomposed into two components perpendicular to the optical axis (o vibration) and parallel to the optical axis (e vibration), which correspond to the o light and the e light in the wafer (see double refraction).

The prior Chinese patent with publication number of CN212229287U discloses a true zero-order wave plate, and the key points of the technical scheme are as follows: the quartz crystal wave plate comprises a true zero-order wave plate body and a transparent fiber net, wherein a glass window plate is arranged at the top of the true zero-order wave plate body, a quartz crystal wave plate is arranged at the bottom of the true zero-order wave plate body, optical cement is arranged between the glass window plate and the quartz crystal wave plate, a glue coating groove is formed in the glass window plate, the transparent fiber net is arranged on the peripheral wall of the quartz crystal wave plate, a reserved channel is formed in the quartz crystal wave plate, and fiber filaments are arranged in the reserved channel. The beneficial effects are that: according to the utility model, the glass window sheet, the transparent fiber net and the fiber yarns are arranged, so that the mechanical strength of the true zero-order wave plate can be remarkably improved, the stability in the use process is facilitated, and the damage speed is reduced.

The technical scheme has the following defects that although the mechanical strength of the true zero-order wave plate can be remarkably improved, the stability in the use process is facilitated, and the damage speed is reduced, in the technical scheme, when the wave plate is damaged, the problem that the wave plate is inconvenient to detach and replace exists, so that the practicability of the wave plate is easy to reduce.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the zero-order wave plate with the protection function, which has the advantages of being capable of disassembling and replacing the wave plate and strong in practicability, thereby solving the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a zero-order wave plate that possesses safeguard function, includes the fixing base, be equipped with the zero-order wave plate body in the fixing base, the spacing groove has been seted up to the inner wall both sides of fixing base, and is equipped with the stopper in the spacing groove, one side surface of stopper runs through the fixing base and is equipped with the pull rod, one side of fixing base is equipped with the stiffening ring, and one side surface of stiffening ring is located the inside of fixing base and is equipped with the clamp ring, the one end of pull rod extends to the inside of the recess of seting up on the stiffening ring one side surface, one side surface of stiffening ring runs through and is equipped with positioning bolt, and positioning bolt's one end extends to the inside of the locating hole of seting up on the fixing base one side surface.

Preferably, the compression ring is matched with the fixing seat.

Preferably, the limiting block is matched with the zero-order wave plate body.

Preferably, the limiting block is in sliding connection with the limiting groove.

Preferably, the reinforcing ring is matched with the fixing seat.

Preferably, the positioning bolt is in threaded connection with the positioning hole.

Preferably, a light hole is formed in a surface of one side of the fixing base in a penetrating manner.

Preferably, the fixing seat is matched with the zero-order wave plate body.

(III) beneficial effects

Compared with the prior art, the zero-order wave plate with the protection function has the following beneficial effects:

(1) According to the utility model, when the zero-order wave plate body is damaged, one end of the positioning bolt is far away from the positioning hole on the fixed seat by loosening the positioning bolt on one side surface of the reinforcing ring, the reinforcing ring is pulled, when the compression ring on one side surface of the reinforcing ring is far away from the zero-order wave plate body, the limiting block at one end of the pull rod moves in the limiting groove on the fixed seat by pulling the pull rod, and the zero-order wave plate body can be pulled to move while the limiting block moves, and when the zero-order wave plate body is far away from the fixed seat, the zero-order wave plate body can be taken down from the fixed seat, so that the zero-order wave plate body can be detached and replaced, and the practicability of the zero-order wave plate is improved.

(2) According to the utility model, the zero-order wave plate body is placed in the fixed seat, the compression ring on one side surface of the reinforcing ring is abutted against the zero-order wave plate body in the fixed seat, and one end of the positioning bolt enters the positioning hole in the fixed seat through rotating the positioning bolt, so that the zero-order wave plate body can be clamped and fixed, wherein the zero-order wave plate body can be effectively protected through the matched use of the fixed seat, the reinforcing ring and the compression ring, the abrasion of the zero-order wave plate is reduced, and the service life of the zero-order wave plate is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a zero-order wave plate with a protection function according to the present utility model;

FIG. 2 is an enlarged A view of a zero-order wave plate with a protective function according to the present utility model;

FIG. 3 is a front view of a zero-order wave plate with a protective function according to the present utility model;

fig. 4 is a schematic diagram of a reinforcing ring structure of a zero-order wave plate with a protection function.

Legend description:

1. a fixing seat; 2. a zero-order wave plate body; 3. a light hole; 4. a limit groove; 5. a pull rod; 6. a limiting block; 7. a clamp ring; 8. a groove; 9. a reinforcing ring; 10. positioning bolts; 11. and positioning holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, a zero-order wave plate with protection function, including fixing base 1, be equipped with zero-order wave plate body 2 in fixing base 1, limit groove 4 has been seted up to the inner wall both sides of fixing base 1, and be equipped with stopper 6 in limit groove 4, one side surface of stopper 6 runs through fixing base 1 and is equipped with pull rod 5, one side of fixing base 1 is equipped with stiffening ring 9, and one side surface of stiffening ring 9 is located the inside of fixing base 1 and is equipped with clamp ring 7, the one end of pull rod 5 extends to the inside of recess 8 of seting up on one side surface of stiffening ring 9, one side surface of stiffening ring 9 runs through and is equipped with positioning bolt 10, and the one end of positioning bolt 10 extends to the inside of locating hole 11 of seting up on one side surface of fixing base 1, wherein when zero-order wave plate body 2 takes place to be damaged, through not hard up positioning bolt 10 on one side surface of stiffening ring 9, make one end of positioning bolt 10 keep away from locating hole 11 on fixing base 1, pull stiffening ring 9, when the one side surface of stiffening ring 7 keeps away from zero-order wave plate body 2, rethread pulling fixing base 5, make stopper 6 of pull rod 5 one end move in 1 limit groove 4, can take place in the fact the zero-order wave plate body 2, can take place the zero-order to remove from the practicality, thereby can take place zero-order 2 from the wave plate 2, and can be removed from zero-order to the practicality, and can take place, and change the position 2.

In one embodiment, clamp ring 7 and fixing base 1 assorted, wherein through fixing base 1, reinforcing ring 9 and clamp ring 7's cooperation use, can effectively protect zero-order wave plate body 2, reduce zero-order wave plate body 2's wearing and tearing, be favorable to prolonging its life.

In one embodiment, the limiting block 6 is matched with the zero-order wave plate body 2, wherein the limiting block 6 at one end of the pull rod 5 is moved in the limiting groove 4 on the fixing seat 1 by pulling the pull rod 5, the zero-order wave plate body 2 can be pulled to move while the limiting block 6 is moved, and when the zero-order wave plate body 2 is far away from the fixing seat 1, the zero-order wave plate body 2 can be taken down from the fixing seat 1, so that the zero-order wave plate can be detached and replaced.

In one embodiment, the limiting block 6 is slidably connected to the limiting groove 4, so that the limiting block 6 can conveniently move in the limiting groove 4.

In one embodiment, the reinforcing ring 9 is matched with the fixing seat 1, and the zero-order wave plate body 2 can be pressed and positioned through the cooperation of the reinforcing ring 9, the pressing ring 7 and the fixing seat 1, so that the stability of the zero-order wave plate body 2 in use is conveniently maintained.

In one embodiment, the positioning bolt 10 is threadedly coupled with the positioning hole 11.

In one embodiment, a light hole 3 is formed through a side surface of the fixing base 1.

In one embodiment, the fixing base 1 is matched with the zero-order wave plate body 2, so that the zero-order wave plate is convenient to mount and dismount.

Working principle:

during the use, place zero-order wave plate body 2 in fixing base 1, the clamp ring 7 on the surface of 9 side of will strengthening ring and the zero-order wave plate body 2 butt in fixing base 1, the rethread rotates positioning bolt 10, make the one end of positioning bolt 10 enter into the locating hole 11 on the fixing base 1 in, can press from both sides tightly fixedly to zero-order wave plate body 2, wherein through fixing base 1, the cooperation of 9 and clamp ring 7 is used, can effectively protect zero-order wave plate body 2, the wearing and tearing of zero-order wave plate body 2 have been reduced, be favorable to prolonging its life, wherein when zero-order wave plate body 2 takes place the damage, through the positioning bolt 10 on the surface of not hard up clamp ring 9, make the locating hole 11 on the fixing base 1 be kept away from to one end of positioning bolt 10, when the clamp ring 7 on one side of strengthening ring 9 keeps away from zero-order wave plate body 2, rethread pulling pull rod 5, make stopper 6 of 5 one end remove in spacing groove 4 on fixing base 1, can pull zero-order body 2 when stopper 6 removes, can pull zero-order body 2 and remove, thereby can take out of practicality when 1 from 1, can take out of it from 1, it can be changed from zero-order wave plate body, thereby be favorable to take off 1.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a zero-order wave plate that possesses safeguard function, includes fixing base (1), a serial communication port, be equipped with zero-order wave plate body (2) in fixing base (1), spacing groove (4) have been seted up to the inner wall both sides of fixing base (1), and are equipped with stopper (6) in spacing groove (4), one side surface of stopper (6) runs through fixing base (1) and is equipped with pull rod (5), one side of fixing base (1) is equipped with stiffening ring (9), and one side surface of stiffening ring (9) is located the inside of fixing base (1) and is equipped with compression ring (7), the one end of pull rod (5) extends to the inside of recess (8) of seting up on one side surface of stiffening ring (9), one side surface of stiffening ring (9) runs through and is equipped with positioning bolt (10), and one end of positioning bolt (10) extends to the inside of locating hole (11) of seting up on one side surface of fixing base (1).

2. The zero-order wave plate with the protection function according to claim 1, wherein the compression ring (7) is matched with the fixing seat (1).

3. The zero-order wave plate with the protection function according to claim 1, wherein the limiting block (6) is matched with the zero-order wave plate body (2).

4. The zero-order wave plate with the protection function according to claim 1, wherein the limiting block (6) is in sliding connection with the limiting groove (4).

5. The zero-order wave plate with the protection function according to claim 1, wherein the reinforcing ring (9) is matched with the fixing seat (1).

6. The zero-order wave plate with the protection function according to claim 1, wherein the positioning bolt (10) is in threaded connection with the positioning hole (11).

7. The zero-order wave plate with the protection function according to claim 1, wherein a light hole (3) is formed in a side surface of the fixing seat (1) in a penetrating manner.

8. The zero-order wave plate with the protection function according to claim 1, wherein the fixing seat (1) is matched with the zero-order wave plate body (2).