A refractable multi-level wave plate

Abstract

The utility model relates to a refractable multi-stage wave plate, comprising a first fixing ring, a second fixing ring and a disassembly mechanism, wherein a connecting ring is arranged inside the first fixing ring and the second fixing ring, and a plurality of wave plates are fixedly mounted on the inner wall of the connecting ring; the disassembly mechanism comprises two connecting plates fixedly mounted on the right side of the second fixing ring, wherein a clamping hole is provided inside the connecting plate, and two clamping blocks matching the size of the clamping hole are slidably connected inside the first fixing ring. The refractable multi-stage wave plate can separate the first fixing ring and the second fixing ring by arranging a disassembly mechanism and pulling the movable sleeve to move so that the movable sleeve does not contact the clamping block, thereby achieving the purpose of making it more convenient to take out the connecting ring and facilitating the cleaning of the wave plates at both ends, and at the same time, by moving the movable sleeve and inserting the connecting plate into the connecting groove, the first fixing ring and the second fixing ring can be quickly connected, thereby effectively improving the practicality during use.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-stage wave plates, in particular to a refractable multi-stage wave plate. Background Art

[0002] A wave plate is an optical device that can produce an additional optical path difference between two mutually perpendicular light vibrations. It is usually made of birefringent wafers such as quartz, calcite or mica with precise thickness. Its optical axis is parallel to the wafer surface. Wave plates are divided into multi-order wave plates, glued zero-order wave plates or composite wave plates, and true zero-order wave plates according to their structure.

[0003] According to a refractable multi-stage wave plate disclosed in Chinese patent CN217689564U, the first snap-fit ​​frame comprises a first snap-fit ​​frame, a second snap-fit ​​frame and a lens, a fixing groove is provided on one side opposite to the second snap-fit ​​frame, the lens is arranged between the first snap-fit ​​frame and the second snap-fit ​​frame, a plurality of positioning rods are fixedly connected to one side of the first snap-fit ​​frame, and the plurality of positioning rods all penetrate the second snap-fit ​​frame, a positioning sheet is provided on one side of the second snap-fit ​​frame, a positioning hole corresponding to the positioning rod is provided on the positioning sheet, a support frame is provided on one side of the positioning hole, the support frame is fixedly connected to the positioning sheet, and a clamping rod is slidably inserted on the support frame. The practical new type adopts a clamping fixing component to effectively realize the disassembly and assembly of the wave plate lens, and the later cleaning is convenient and the disassembly and assembly are convenient. However, when disassembling and assembling the wave plate, it is necessary to pull a plurality of pairs of clamping rods to move at the same time to disassemble and assemble the wave plate, and the plurality of clamping rods are distributed in different directions, which makes it inconvenient to pull a pair of clamping rods at the same time, and the practicality is not high during use, so a refractable multi-stage wave plate is proposed to solve the above-mentioned problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a refracting multi-stage wave plate with the advantages of convenient disassembly and assembly, etc., which solves the problem that when disassembling and assembling the wave plate, it is necessary to pull multiple pairs of card rods at the same time to move the wave plate, and the multiple card rods are distributed in different positions, which makes it inconvenient to pull the multiple card rods at the same time, resulting in low practicality during use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a refractable multi-stage wave plate, comprising a first fixing ring, a second fixing ring, a refraction assembly and a disassembly mechanism, wherein a connecting ring is arranged inside the first fixing ring and the second fixing ring, a plurality of wave plates are fixedly mounted on the inner wall of the connecting ring, the refraction assembly comprises two electrical connection heads fixedly mounted on the outer surface of the connecting ring, a refractive index glue is arranged between the wave plates, and discharge heads are arranged at both ends of the refractive index glue;

[0006] The disassembly mechanism includes two connecting plates fixedly installed on the right side of the second fixing ring, a clamping hole is opened inside the connecting plate, and two clamping blocks matching the size of the clamping hole are slidably connected inside the first fixing ring, a movable plate is fixedly installed on the outer side of the clamping block, and a first spring is fixedly installed on the opposite sides of the two movable plates, a movable sleeve is slidably connected to the outer side of the first fixing ring, and two connecting blocks are fixedly installed on the inner side of the movable sleeve, and a second spring with one end fixedly connected to the inner wall of the first fixing ring is fixedly installed on the left side of the connecting block.

[0007] Furthermore, the first fixing ring and the second fixing ring are in contact with each other on one side thereof, and two first through slots are formed on the first fixing ring and the second fixing ring on one side thereof, and the end of the electrical connector away from the connecting ring passes through and extends to the outside of the first through slots.

[0008] Furthermore, the first fixing ring and the second fixing ring are provided with limiting grooves matched with the size of the connecting ring inside, and the first fixing ring and the second fixing ring are both clamped with the connecting ring through the limiting grooves.

[0009] Furthermore, two connecting grooves are provided on the left side of the first fixing ring and are adapted to the size of the connecting plate. One end of the connecting plate passes through and extends into the interior of the connecting groove. The connecting plate is slidably connected to the first fixing ring through the connecting groove. The opposite sides of the two clamping blocks pass through the first fixing ring and extend to the interior of the clamping hole.

[0010] Furthermore, the clamping block is slidably connected to the connecting plate through the clamping hole, an inclined surface is provided on the right side of the clamping block, and one end of the first spring away from the movable plate is fixedly connected to the inner wall of the first fixing ring.

[0011] Furthermore, the movable plate is rectangular in shape, the outer side of the movable plate is in contact with the inner wall of the first fixing ring, and the side of the clamping block away from the clamping hole passes through the first fixing ring and abuts against the inner wall of the movable sleeve.

[0012] Furthermore, two second through grooves whose size matches that of the connecting block are formed on the outer side of the first fixing ring, and the connecting block is slidably connected to the first fixing ring via the second through grooves.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The refractable multi-stage wave plate is provided with a disassembly mechanism, and the movable sleeve is pulled to move so that the movable sleeve does not contact the clamping block, so that the first fixing ring and the second fixing ring can be separated, so as to achieve the purpose of more conveniently taking out the connecting ring, and facilitate cleaning of the wave plates at both ends. At the same time, the movable sleeve is moved and the connecting plate is inserted into the connecting groove, so that the first fixing ring and the second fixing ring can be quickly connected, effectively improving the practicality during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a front cross-sectional schematic diagram of the structure of the utility model;

[0017] Figure 3 This is a top cross-sectional diagram of the first fixing ring and the second fixing ring of the utility model.

[0018] Figure 4 For this utility model Figure 2 A-shaped enlarged diagram

[0019] Figure 5 This is a schematic diagram of the card block structure of the utility model.

[0020] In the figure: 1 first fixing ring, 2 second fixing ring, 3 connecting ring, 4 wave plate, 5 connecting plate, 6 clamping hole, 7 clamping block, 8 movable plate, 9 first spring, 10 movable sleeve, 11 connecting block, 12 connecting head, 13 refractive index glue, 14 discharge head, 15 connecting groove, 16 limiting groove, 17 second spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 A refractable multi-stage wave plate in this embodiment includes a first fixing ring 1, a second fixing ring 2 and a disassembly mechanism, a connecting ring 3 is arranged on the inner side of the first fixing ring 1 and the second fixing ring 2, a plurality of wave plates 4 are fixedly installed on the inner wall of the connecting ring 3, a refractive component includes two electrical connectors 12 fixedly installed on the outer surface of the connecting ring 3, a refractive index glue 13 is arranged between the wave plates 4, and discharge heads 14 are arranged at both ends of the refractive index glue 13, so as to facilitate connection with an external power supply through the electrical connector 12, and by adjusting the voltage, the discharge head 14 can discharge and adjust the refractive index glue 13, so that the refractive index of the refractive index glue 13 changes, thereby changing the overall refractive index of the device, the first fixing ring 1 and the second fixing ring 2 are opposite to each other on one side, and the first fixing ring 1 and the second fixing ring 2 are opposite to each other on one side, and two first through grooves are opened, and the end of the electrical connector 12 away from the connecting ring 3 penetrates and extends to the outside of the first through groove.

[0023] The disassembly mechanism includes two connecting plates 5 fixedly installed on the right side of the second fixing ring 2, a clamping hole 6 is provided inside the connecting plate 5, two clamping blocks 7 matching the size of the clamping hole 6 are slidably connected inside the first fixing ring 1, a movable plate 8 is fixedly installed on the outer side of the clamping block 7, and first springs 9 are fixedly installed on the opposite sides of the two movable plates 8. One end of the first spring 9 away from the movable plate 8 is fixedly connected to the inner wall of the first fixing ring 1, and the first spring 9 applies a thrust to the movable plate 8. A movable sleeve 10 is slidably connected to the outer side of the first fixing ring 1, and two connecting blocks 11 are fixedly installed on the inner side of the movable sleeve 10. A second spring 17 having one end fixedly connected to the inner wall of the first fixing ring 1 is fixedly installed on the left side of the connecting block 11, and the second spring 17 applies a pulling force to the connecting block 11 to facilitate the resetting of the movable sleeve 10. A limiting groove 16 matching the size of the connecting ring 3 is provided inside the first fixing ring 1 and the second fixing ring 2, and the first fixing ring 1 and the second fixing ring 2 are both clamped with the connecting ring 3 through the limiting groove 16 The left side of the first fixing ring 1 is provided with two connecting grooves 15 which are adapted to the size of the connecting plate 5. One end of the connecting plate 5 penetrates and extends into the interior of the connecting groove 15. The connecting plate 5 is slidably connected to the first fixing ring 1 through the connecting groove 15. The opposite sides of the two clamping blocks 7 penetrate the first fixing ring 1 and extend into the interior of the clamping hole 6. The clamping block 7 is slidably connected to the connecting plate 5 through the clamping hole 6. An inclined surface is provided on the right side of the clamping block 7. After the movable sleeve 10 contacts the inclined surface, it is convenient for the clamping block 7 to shrink into the first fixing ring 1. The shape of the movable plate 8 is rectangular. The outer side of the movable plate 8 fits the inner wall of the first fixing ring 1. The movable plate 8 slides in the first fixing ring 1 and ensures that the movable plate 8 does not rotate, so that the inclined surface of the clamping block 7 is always kept on one side. The side of the clamping block 7 away from the clamping hole 6 penetrates the first fixing ring 1 and abuts against the inner wall of the movable sleeve 10. The outer side of the first fixing ring 1 is provided with two second through grooves which are adapted to the size of the connecting block 11. The connecting block 11 is slidably connected to the first fixing ring 1 through the second through groove.

[0024] It should be noted that, by setting up a disassembly mechanism and pulling the movable sleeve 10 to move so that the movable sleeve 10 does not contact the block 7, the first fixing ring 1 and the second fixing ring 2 can be separated, so as to achieve the purpose of more conveniently removing the connecting ring 3 and facilitate the cleaning of the wave plate 4 at both ends. At the same time, by moving the movable sleeve 10 and inserting the connecting plate 5 into the connecting groove 15, the first fixing ring 1 and the second fixing ring 2 can be quickly connected, effectively improving the practicality during use.

[0025] The working principle of the above embodiment is as follows: when it is necessary to disassemble the connecting ring 3, the movable sleeve 10 is pulled to move so that the movable sleeve 10 is not in contact with the block 7, and then the first spring 9 pushes the movable plate 8 to move so that the block 7 moves to the outside of the clamping hole 6, and then the second fixed ring 2 is pulled to drive the connecting plate 5 to move to the outside of the connecting groove 15, so that the connecting ring 3 can be removed, which is convenient for cleaning the wave plate. Conversely, when installing the connecting ring 3, the movable sleeve 10 is moved and the connecting plate 5 is inserted into the connecting groove 15. When the opposite sides of the first fixed ring 1 and the second fixed ring 2 are abutted, the movable sleeve 10 is moved to reset. When the movable sleeve 10 contacts the inclined surface of the block 7, the block 7 shrinks into the first fixed ring 1, and at the same time, one end of the block 7 moves to the inside of the clamping hole 6, and the installation of the connecting ring 3 is completed.

[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0027] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A refractable multi-stage wave plate, comprising a first fixing ring (1), a second fixing ring (2), a refraction assembly and a disassembly mechanism, characterized in that: A connecting ring (3) is arranged inside the first fixing ring (1) and the second fixing ring (2); a plurality of wave plates (4) are fixedly mounted on the inner wall of the connecting ring (3); the refractive component comprises two electrical connection heads (12) fixedly mounted on the outer surface of the connecting ring (3); a refractive index glue (13) is arranged between the wave plates (4); and discharge heads (14) are arranged at both ends of the refractive index glue (13); The disassembly mechanism comprises two connecting plates (5) fixedly mounted on the right side of the second fixing ring (2), a clamping hole (6) being provided inside the connecting plate (5), two clamping blocks (7) matching the size of the clamping hole (6) being slidably connected inside the first fixing ring (1), a movable plate (8) being fixedly mounted on the outer side of the clamping block (7), first springs (9) being fixedly mounted on opposite sides of the two movable plates (8), a movable sleeve (10) being slidably connected on the outer side of the first fixing ring (1), two connecting blocks (11) being fixedly mounted on the inner side of the movable sleeve (10), and a second spring (17) having one end fixedly connected to the inner wall of the first fixing ring (1) being fixedly mounted on the left side of the connecting block (11).

2. A refractable multi-level wave plate according to claim 1, characterized in that: The first fixing ring (1) and the second fixing ring (2) are in contact with each other on one side thereof, and the first fixing ring (1) and the second fixing ring (2) are each provided with two first through slots on one side thereof, and the end of the electrical connector (12) away from the connecting ring (3) passes through and extends to the outside of the first through slots.

3. A refractable multi-level wave plate according to claim 1, characterized in that: The first fixing ring (1) and the second fixing ring (2) are provided with limiting grooves (16) whose sizes match those of the connecting ring (3), and the first fixing ring (1) and the second fixing ring (2) are both clamped with the connecting ring (3) via the limiting grooves (16).

4. A refractable multi-level wave plate according to claim 3, characterized in that: The left side of the first fixing ring (1) is provided with two connecting grooves (15) whose size matches that of the connecting plate (5); one end of the connecting plate (5) penetrates through and extends into the interior of the connecting groove (15); the connecting plate (5) is slidably connected to the first fixing ring (1) via the connecting groove (15); and the opposite sides of the two clamping blocks (7) penetrate through the first fixing ring (1) and extend into the interior of the clamping hole (6).

5. The refractable multi-level wave plate according to claim 1, characterized in that: The clamping block (7) is slidably connected to the connecting plate (5) via the clamping hole (6); an inclined surface is provided on the right side of the clamping block (7); and one end of the first spring (9) away from the movable plate (8) is fixedly connected to the inner wall of the first fixing ring (1).

6. The refractable multi-level wave plate according to claim 1, characterized in that: The movable plate (8) is rectangular in shape, the outer side of the movable plate (8) is in contact with the inner wall of the first fixing ring (1), and the side of the clamping block (7) away from the clamping hole (6) passes through the first fixing ring (1) and abuts against the inner wall of the movable sleeve (10).

7. The refractable multi-level wave plate according to claim 1, characterized in that: Two second through slots whose sizes match those of the connecting block (11) are formed on the outer side of the first fixing ring (1), and the connecting block (11) is slidably connected to the first fixing ring (1) via the second through slots.

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