Optical lens assembly with replaceable optical filter

Abstract

The utility model relates to the technical field of optical lenses, in particular to an optical lens assembly with a replaceable optical filter disc, which comprises a fixing ring, a lens, a connecting block and two fixing mechanisms, a groove is arranged on the surface of the fixing ring, the lens is arranged on one side of the fixing ring, the connecting block is fixedly connected with the lens, and cavities are arranged on two sides of the connecting block. The two fixing mechanisms are arranged in the corresponding cavities respectively, each fixing mechanism comprises a fixing rod, a first spring and an adjusting plate, one end of each fixing rod is slidably connected with the corresponding connecting block, the other end of each fixing rod is slidably connected with the corresponding connecting block, the other end of each fixing rod is connected with the corresponding fixing ring in a clamped mode, and one end of each adjusting plate is fixedly connected with the corresponding fixing rod. Through the arrangement of the structure, the problems that in the prior art, the filter disc positioning plate is clamped to the filter disc supporting frame, the filter disc positioning plate is prone to being damaged in the disassembling process, and the disassembling and assembling efficiency is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to optical lens technical field especially relates to a replaceable optical filter's optical lens assembly. BACKGROUND

[0002] The main role of optical filter is to select or block specific wavelength light, through absorption, transmission or reflection mechanism, filter can allow certain wavelength light to pass, while absorbing or reflecting other wavelength light. This feature makes the filter widely used in many fields.

[0003] In the prior art, the patent document with the announcement number (CN214384622U) mentions a lens fixing seat, the inside of the lens fixing seat is movably connected with a filter support frame, one end of the filter support frame is overlapped with an optical filter, one end of the optical filter is overlapped with a filter positioning plate, a groove hole matched with the filter support frame is formed in the inside of the lens fixing seat, a positioning groove matched with the filter positioning plate is formed in the top end of the lens fixing seat. The prior art places the optical filter on the filter support frame, so that the filter support frame supports the optical filter, the filter support frame drives the optical filter to move to the middle of the lens fixing seat through the action of gravity, the filter positioning plate is parallel to the top surface of the lens fixing seat, the optical filter is compressed through the filter positioning plate, thereby effectively disassembling the optical filter, avoiding the disassembly of the screw, the structure is simple, and the optical filter can be quickly replaced and maintained.

[0004] But the above-mentioned prior art, the filter positioning plate is clamped on the filter support frame, when disassembling, the filter positioning plate is easy to be damaged, affecting the disassembly efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a replaceable optical filter's optical lens assembly, solves the prior art, the filter positioning plate is clamped on the filter support frame, when disassembling, the filter positioning plate is easy to be damaged, affecting the disassembly efficiency problem.

[0006] In order to achieve the above object, the utility model provides a replaceable optical filter's optical lens assembly, including fixed ring, lens, connecting block and two fixed mechanism, the surface of fixed ring is provided with recess, the lens sets up one side of fixed ring, the connecting block with lens fixed connection and located the inside of recess, the both sides of connecting block are provided with cavity, two fixed mechanism are located the inside of corresponding cavity respectively, every fixed mechanism includes fixed rod, first spring and adjusting plate, one end of fixed rod with connecting block sliding connection, the other end of fixed rod with connecting block sliding connection, the other end of fixed rod with fixed ring joint and located the inside of cavity, one end of adjusting plate with fixed rod fixed connection, the other end of adjusting plate passes through connecting block and located one side of fixed rod, first spring sets up the inside of cavity and located one side of fixed rod.

[0007] Among them, the fixed mechanism further includes a limiting sheet, the limiting sheet is fixedly connected with the fixed rod and located in the inside of the cavity.

[0008] Among them, the replaceable optical filter's optical lens assembly further includes a fixed block, a sliding sheet, a connecting rod, a support block and a second spring, the fixed block is fixedly connected with the fixed ring and located in the inside of the fixed ring, the sliding sheet is slidingly connected with the fixed block and located in the inside of the fixed block, one end of the connecting rod is fixedly connected with the sliding sheet, the other end of the connecting rod is fixedly connected with the support block and located on one side of the connecting block, the second spring is arranged in the inside of the fixed block and located below the sliding sheet.

[0009] Among them, the replaceable optical filter's optical lens assembly further includes a fixed shaft and a rotating sheet, the fixed shaft is fixedly connected with the fixed ring and located on one side of the fixed ring, the rotating sheet is rotatably connected with the fixed shaft and located above the fixed ring.

[0010] Among them, the replaceable optical filter's optical lens assembly further includes a limiting block, the limiting block is fixedly connected with the fixed ring and located on one side of the fixed ring, the limiting block is L-shaped in cross section.

[0011] The utility model discloses an optical lens assembly of replaceable optical filter, the surface of fixed ring is provided with the recess, the lens sets up one side of fixed ring, the connecting block is fixedly connected with the lens, and is located inside the recess, the both sides of connecting block are provided with the cavity, two fixed mechanisms are arranged respectively inside corresponding cavity, one end of fixed link is connected with connecting block slidingly, the other end of fixed link is connected with connecting block slidingly, the other end of fixed link is connected with fixed ring and is located inside the cavity, one end of adjusting plate is fixedly connected with fixed link, the other end of adjusting plate passes connecting block and is located one side of fixed link, the first spring is arranged inside the cavity and is located one side of fixed link, when installing the lens, through pressing two adjusting plates, adjusting plate drives fixed link correspondingly and moves to inside the cavity, the first spring is compressed, and the connecting block is put into the recess, and the adjusting piece is loosened, and the first spring pushes fixed link, and fixed link is inserted into fixed ring, and the fixed ring is fixed. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description briefly introduced, obviously, below description's drawing only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0013] Figure 1 It is the structure schematic diagram of optical lens assembly of replaceable optical filter of the utility model.

[0014] Figure 2 It is the back view of optical lens assembly of replaceable optical filter of the utility model.

[0015] Figure 3 It is the A-A line section view of the utility model's Figure 2 .

[0016] Figure 4 It is the B-B line section view of the utility model's Figure 2 .

[0017] Figure 5 It is the C place structure schematic diagram of the utility model's Figure 3 .

[0018] Figure 6 It is the D place structure schematic diagram of the utility model's Figure 4 .

[0019] 1-fixing ring, 2-lens, 3-connection block, 4-fixing rod, 5-first spring, 6-limiting sheet, 7-adjusting plate, 8-fixing block, 9-sliding sheet, 10-connection rod, 11-supporting block, 12-second spring, 13-fixing shaft, 14-rotating sheet, 15-limiting block, 16-cavity, 17-groove. DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, the embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0021] Please refer to Figures 1-6 , wherein, Figure 1 is a structure diagram of the optical lens assembly of the replaceable optical filter of the present application, Figure 2 is a rear view of the optical lens assembly of the replaceable optical filter of the present application, Figure 3 is an A-A line section view of the Figure 2 of the present application, Figure 4 is a B-B line section view of the Figure 2 of the present application, Figure 5 is a structure diagram at C of the Figure 3 of the present application, Figure 6 is a structure diagram at D of the Figure 4 of the present application.

[0022] The present application provides an optical lens assembly of a replaceable optical filter, comprising a fixing ring 1, a lens 2, a connection block 3, two fixing mechanisms, a fixing block 8, a sliding sheet 9, a connection rod 10, a supporting block 11, a second spring 12, a fixing shaft 13, a rotating sheet 14 and a limiting block 15, each of the fixing mechanisms comprises a fixing rod 4, a first spring 5, a limiting sheet 6 and an adjusting plate 7, the aforementioned scheme solves the problem of the prior art that the filter positioning plate is easily damaged when disassembled, affecting the disassembly efficiency.

[0023] For this specific embodiment, the surface of the fixed ring 1 is provided with a groove 17, the lens 2 is arranged on one side of the fixed ring 1, the connecting block 3 is fixedly connected with the lens 2 and located inside the groove 17, the connecting block 3 is provided with cavities 16 on both sides, two fixing mechanisms are arranged inside the corresponding cavities 16 respectively, one end of the fixed rod 4 is slidably connected with the connecting block 3, the other end of the fixed rod 4 is slidably connected with the connecting block 3, the other end of the fixed rod 4 is clamped with the fixed ring 1 and located inside the cavity 16, one end of the adjusting plate 7 is fixedly connected with the fixed rod 4, the other end of the adjusting plate 7 passes through the connecting block 3 and is located on one side of the fixed rod 4, the first spring 5 is arranged inside the cavity 16 and located on one side of the fixed rod 4, when installing the lens 2, by pressing two adjusting plates 7, the adjusting plate 7 drives the corresponding movement of the fixed rod 4 to the inside of the cavity 16, the first spring 5 is correspondingly compressed, the connecting block 3 is put into the groove 17, the adjusting piece is loosened, the first spring 5 pushes the fixed rod 4, the fixed rod 4 is inserted into the fixed ring 1, and the fixed ring 1 is fixed.

[0024] Wherein, the limiting piece 6 is fixedly connected with the fixed rod 4 and located inside the cavity 16, the limiting piece 6 clamps one end of the fixed rod 4 inside the cavity 16, and the first spring 5 is blocked on one side of the fixed rod 4.

[0025] Secondly, the fixed block 8 is fixedly connected with the fixed ring 1 and located inside the fixed ring 1, the sliding piece 9 is slidably connected with the fixed block 8 and located inside the fixed block 8, one end of the connecting rod 10 is fixedly connected with the sliding piece 9, the other end of the connecting rod 10 is fixedly connected with the supporting block 11 and located on one side of the connecting block 3, the second spring 12 is arranged inside the fixed block 8 and located below the sliding piece 9, when opening the lens 2, the second spring 12 pushes the sliding piece 9, the connecting rod 10 moves the supporting block 11, the connecting block 3 is lifted up, so that the lens 2 is correspondingly rotated.

[0026] Secondly, the fixed shaft 13 is fixedly connected with the fixed ring 1 and located on one side of the fixed ring 1, the rotating piece 14 is rotatably connected with the fixed shaft 13 and located above the fixed ring 1, when closing the lens 2, the lens 2 is pressed down, the rotating piece 14 is rotated, the rotating piece 14 rotates around the fixed shaft 13 and covers the surface of the lens 2, the lens 2 is covered, and the protection effect is improved.

[0027] In addition, the limiting block 15 is fixedly connected with the fixing ring 1 and located on one side of the fixing ring 1, the cross section of the limiting block 15 is L-shaped, the limiting block 15 is clamped on the top of the rotating piece 14, and the position of the rotating piece 14 is fixed.

[0028] In use of the utility model, when installing the lens 2, by pressing two adjusting plates 7, the adjusting plates 7 drive the fixing rod 4 to move to the inside of the cavity 16, the first spring 5 is compressed, the connecting block 3 is put into the recess 17, the adjusting piece is loosened, the first spring 5 pushes the fixing rod 4, the fixing rod 4 is inserted into the fixing ring 1, the fixing ring 1 is fixed, the lens 2 is pressed down, the rotating piece 14 is rotated, the rotating piece 14 rotates around the fixing shaft 13 and covers the surface of the lens 2, the lens 2 is covered, the limiting block 15 is clamped on the top of the rotating piece 14, and the position of the rotating piece 14 is fixed, and the protection effect is improved.

[0029] The above only discloses one or more preferred embodiments of the application, and cannot limit the scope of the application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the application still fall within the scope of the application.

Claims

1. A replaceable optical filter optical lens assembly comprising a fixing ring, characterized in that, further comprising a lens, a connecting block and two fixing mechanisms, the surface of the fixing ring is provided with a groove, the lens is arranged on one side of the fixing ring, the connecting block is fixedly connected with the lens and located inside the groove, the two sides of the connecting block are provided with cavities, and two fixing mechanisms are arranged inside the corresponding cavities.

2. The replaceable optical filter optical lens assembly of claim 1, characterized in that, the fixing mechanism further comprises a limiting sheet, the limiting sheet is fixedly connected with the fixing rod and located inside the cavity.

3. The replaceable optical filter optical lens assembly of claim 2, characterized in that, the replaceable optical filter optical lens assembly further comprises a fixing block, a sliding sheet, a connecting rod, a supporting block and a second spring, the fixing block is fixedly connected with the fixing ring and located inside the fixing ring, the sliding sheet is slidingly connected with the fixing block and located inside the fixing block, one end of the connecting rod is fixedly connected with the sliding sheet, the other end of the connecting rod is fixedly connected with the supporting block and located on one side of the connecting block, and the second spring is arranged inside the fixing block and located below the sliding sheet.

4. The replaceable optical filter optical lens assembly of claim 3, characterized in that, the replaceable optical filter optical lens assembly further comprises a fixing shaft and a rotating sheet, the fixing shaft is fixedly connected with the fixing ring and located on one side of the fixing ring, and the rotating sheet is rotationally connected with the fixing shaft and located above the fixing ring.

5. The replaceable optical filter optical lens assembly of claim 4, characterized in that, the replaceable optical filter optical lens assembly further comprises a limiting block, the limiting block is fixedly connected with the fixing ring and located on one side of the fixing ring, and the cross section of the limiting block is arranged in an L shape. ​ ​ ​ ​ ​ ​

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