CN216228892U

CN216228892U - Adjustable lens fixture

Info

Publication number: CN216228892U
Application number: CN202120520451.3U
Authority: CN
Inventors: 陈方山; 何国成
Original assignee: Jiangsu Blle Photoelectric Co ltd
Current assignee: Jiangsu Blle Photoelectric Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2022-04-08
Anticipated expiration: 2031-03-12

Abstract

The utility model discloses an adjustable lens clamping mechanism which comprises a bottom plate, wherein a sliding seat is fixed on the bottom plate, one end of the sliding seat is fixedly connected with a first pressing block, the other end of the sliding seat is connected with a second pressing block in a sliding manner, opposite ends of the first pressing block and the second pressing block are detachably connected with clamping blocks, and opposite ends of the two clamping blocks are provided with inwards-recessed clamping parts; the both sides fixedly connected with guide arm of first briquetting, the both sides sliding connection of second briquetting is on the guide arm, and the outer end of two guide arms is passed by the both sides of second briquetting, and passes the end and be connected with the dog, still is fixed with a stand on the bottom plate, and the peripheral rotatable coupling of stand has the sleeve pipe, and sheathed tube lateral wall is connected with the handle, and the sleeve pipe upper end is fixed with the cam, and the cam is located between second briquetting and the dog. The utility model has convenient use and stable clamping, and can adapt to lenses with different diameters by replacing the clamping block.

Description

Adjustable lens fixture

Technical Field

The utility model relates to the technical field of lens clamping mechanisms, in particular to an adjustable lens clamping mechanism.

Background

The lens is an optical element which is made of transparent substances and has a spherical surface, and the lens consists of a plurality of lenses, namely a plastic lens and a glass lens, wherein the glass lens is more expensive than plastic. In the process of processing the lens, the lens needs to be fixed, and at present, the following problems mainly exist in the process of processing the lens: (1) the lens has a curved surface, is not easy to fix, leads to unstable fixation of the lens and is not beneficial to processing; (2) the size of the holding portion cannot be adjusted according to the diameter of the lens, and the suitability is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an adjustable lens clamping mechanism aiming at the defects of the prior art so as to solve the problems of low adaptability and unstable clamping of the conventional lens clamping mechanism.

In order to achieve the purpose, the utility model provides the following technical scheme:

an adjustable lens clamping mechanism comprises a bottom plate, wherein a sliding seat is fixed on the bottom plate, one end of the sliding seat is fixedly connected with a first pressing block, the other end of the sliding seat is connected with a second pressing block in a sliding manner, opposite ends of the first pressing block and the second pressing block are detachably connected with clamping blocks, and opposite ends of the two clamping blocks are provided with inwards-recessed clamping parts; the both sides fixedly connected with guide arm of first briquetting, the both sides sliding connection of second briquetting is on the guide arm, the outer end of two guide arms is passed by the both sides of second briquetting, and pass the end and be connected with the dog, still be fixed with a stand on the bottom plate, the peripheral rotatable coupling of stand has the sleeve pipe, sheathed tube lateral wall is connected with the handle, the sleeve pipe upper end is fixed with the cam, the cam is located between second briquetting and the dog, rotate handle accessible lug extrusion second briquetting, make the second briquetting remove to first briquetting direction along the guide arm, thereby centre gripping lens.

Preferably, the bottom plate is provided with a trapezoidal sliding groove, and the lower ends of the first pressing block and the second pressing block are provided with T-shaped blocks matched with the sliding groove.

Preferably, the guide rod is connected with a spring at the periphery between the first pressing block and the second pressing block.

Preferably, the opposite ends of the first pressing block and the second pressing block are provided with a rectangular groove, and the clamping block is connected in the rectangular groove through a screw.

Preferably, the lower end of the bottom plate is connected with a non-slip mat.

The utility model has the beneficial effects that: the lens is placed between the first pressing block and the second pressing block, the handle is rotated to drive the cam to rotate, the cam extrudes the second pressing block, the second pressing block slides to one side of the first pressing block on the guide rod, and therefore the clamping parts of the two clamping blocks clamp the lens tightly. Not only convenient to use, the centre gripping is stable, and the accessible is changed the grip block moreover to the lens of different diameters is adapted to.

Drawings

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

FIG. 2 is a cross-sectional view of a first press block and a clamping block;

in the figure, 1-bottom plate, 2-slide seat, 3-first press block, 4-second press block, 5-clamping block, 6-clamping part, 7-guide rod, 8-stop block, 9-upright post, 10-handle, 11-cam, 12-sliding groove, 13-T-shaped block, 14-spring, 15-rectangular groove, 16-non-slip pad and 17-lens.

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. 1-2, an adjustable lens clamping mechanism includes a bottom plate 1, a sliding base 2 is fixed on the bottom plate 1, a trapezoidal sliding groove 12 is formed on the bottom plate 1, a T-shaped block 13 matched with the sliding groove is arranged at the lower end of a first pressing block 3 and a second pressing block 4, one end of the sliding base 2 is fixedly connected with the first pressing block 3, and the other end of the sliding base 2 is slidably connected with the second pressing block 4.

The relative end of first briquetting 3 and second briquetting 4 is equipped with a rectangular channel 15, and the grip block 5 can be dismantled in connection in rectangular channel 15 through the screw, and inwards sunken clamping part 6 has been seted up to the relative end of two grip blocks 5. In manufacturing the holding block 5, different types of holding portions 6 can be cut on the holding block 5 to accommodate lenses of different diameters.

The two sides of the first pressing block 3 are fixedly connected with guide rods 7, the two sides of the second pressing block 4 are connected to the guide rods 7 in a sliding mode, the outer ends of the two guide rods 7 penetrate through the two sides of the second pressing block 4, the penetrating ends of the two guide rods are connected with stop blocks 8, and springs 14 are connected to the peripheries, located between the first pressing block and the second pressing block, of the guide rods 7.

Still be fixed with a stand 9 on the bottom plate 1, the peripheral rotatable coupling of stand 9 has the sleeve pipe, and sheathed tube lateral wall is connected with handle 10, and the sleeve pipe upper end is fixed with cam 11, and cam 11 is located between second briquetting 4 and the dog 8, rotates handle 10 accessible lug 11 extrusion second briquetting 4, makes second briquetting 4 remove to first briquetting 3 directions along guide arm 7 to centre gripping lens.

The lower end of the bottom plate 1 is connected with an anti-slip mat 16, so that the anti-slip effect is achieved.

The using method of the utility model comprises the following steps: the lens 17 is placed between the first pressing block 3 and the second pressing block 4, then the handle 10 is rotated to drive the cam 11 to rotate, the cam 11 extrudes the second pressing block 4, the second pressing block 4 slides to one side of the first pressing block 3 on the guide rod 7, and therefore the clamping parts 6 of the two clamping blocks 5 clamp the lens 17 tightly. Not only convenient to use, the centre gripping is stable, moreover the accessible is changed grip block 5 to the lens of adaptation different diameters.

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. An adjustable lens clamping mechanism is characterized by comprising a bottom plate (1), wherein a sliding seat (2) is fixed on the bottom plate (1), one end of the sliding seat (2) is fixedly connected with a first pressing block (3), the other end of the sliding seat (2) is slidably connected with a second pressing block (4), opposite ends of the first pressing block (3) and the second pressing block (4) are detachably connected with clamping blocks (5), and opposite ends of the two clamping blocks (5) are provided with inwards-recessed clamping parts (6); both sides fixedly connected with guide arm (7) of first briquetting (3), the both sides sliding connection of second briquetting (4) is on guide arm (7), the outer end of two guide arms (7) is passed by the both sides of second briquetting (4), and it is connected with dog (8) to pass the end, still be fixed with a stand (9) on bottom plate (1), stand (9) peripheral rotatable coupling has the sleeve pipe, sheathed tube lateral wall is connected with handle (10), the sleeve pipe upper end is fixed with cam (11), cam (11) are located between second briquetting (4) and dog (8), rotate handle (10) accessible lug (11) and extrude second briquetting (4), make second briquetting (4) along guide arm (7) to first briquetting (3) direction removal, thereby centre gripping lens.

2. The adjustable lens clamping mechanism according to claim 1, wherein the bottom plate (1) is provided with a trapezoidal sliding groove (12), and the lower ends of the first pressing block (3) and the second pressing block (4) are provided with T-shaped blocks (13) matched with the sliding groove.

3. An adjustable lens holding mechanism according to claim 1, wherein a spring (14) is attached to the periphery of the guide rod (7) between the first and second pressure pieces.

4. An adjustable lens holding mechanism according to claim 2 or 3, characterized in that the opposite ends of the first pressing block (3) and the second pressing block (4) are provided with a rectangular groove (15), and the holding block (5) is connected in the rectangular groove (15) through a screw.

5. An adjustable lens holding mechanism according to claim 4, characterized in that a non-slip mat (16) is attached to the lower end of the base plate (1).