CN215767603U

CN215767603U - Vertex power detection apparatus for optical lens

Info

Publication number: CN215767603U
Application number: CN202121810158.7U
Authority: CN
Inventors: 钱安秀; 陈柏年
Original assignee: Shida Optoelectronics Dongguan Co ltd
Current assignee: Shida Optoelectronics Dongguan Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2022-02-08
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a top focal power detection device for an optical lens, which comprises a base for detecting the top focal power of the optical lens, wherein a supporting seat is arranged on the base, an installation table is arranged at the top of the base and positioned at the front side of the supporting seat, fixed plates are arranged on two sides of the top of the installation table, an accommodating groove is formed in the upper surface of each fixed plate, a supporting assembly with a reset function is arranged on each accommodating groove, moving grooves are formed in the two sides of each supporting assembly on the fixed plates, and a clamping assembly with an adjusting function is arranged on each moving groove; has the advantages that: the nose support of the glasses is placed on the arc block and pressed downwards, so that the nose support of the glasses is clamped and fixed by the clamping block, the problem that the other lens is difficult to keep horizontal when an operator holds the other lens by hands is avoided, the accuracy of the detection of the vertex power of the optical lens is ensured, meanwhile, the nose support of the glasses is elastically supported by the supporting assembly, and the collimator objective is prevented from being damaged due to the fact that the lens is compressed by the compression ring.

Description

Vertex power detection apparatus for optical lens

Technical Field

The utility model relates to the technical field of optical lens detection equipment, in particular to top focal power detection equipment for an optical lens.

Background

The detection of the vertex power of an optical lens is generally carried out by using a lensometer which is mainly used for measuring the vertex power and the prism power of a spectacle lens, determining the cylindrical axis direction of a cylindrical lens, printing a mark on the uncut lens and checking whether the lens is correctly installed in a spectacle frame.

In the existing process of using a lensometer, one lens of a pair of glasses is generally pressed on a collimating objective lens through a pressing ring, then the optical center of the lens of the pair of glasses is moved to be overlapped with the cross line of a lensometer reticle through manual operation, in the process, an operator needs to hold the other lens with hands to enable the pair of glasses to be in a horizontal state, and if the time is too long, the hand of the operator shakes, so that the accuracy of detecting the vertex power of the optical lens is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to provide a top power detecting apparatus for an optical lens to solve the problems set forth in the above background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a top power detection apparatus for an optical lens, comprising a mount for top power detection of the optical lens, the base is provided with a supporting seat, the top of the supporting seat is provided with a display screen, the top of the base is arranged at the front side of the supporting seat and is provided with an installation platform, the two sides of the top of the mounting table are both provided with a fixed plate, the upper surface of the fixed plate is provided with a holding tank, the holding groove is provided with a supporting component with a reset function, the supporting component comprises a limiting block, the two sides of the supporting component on the fixing plate are both provided with a moving groove, the moving groove is provided with a clamping component with an adjusting function, the collimator lens is arranged on the mounting table, a fixing support is arranged on the front side of the supporting seat, the fixing support is connected with a compression ring through a telescopic structure, and a lens table is arranged on the front side of the supporting seat below the fixing support.

Preferably, the stopper slides the joint on the holding tank, be provided with first reset spring between stopper and the holding tank.

Preferably, the limiting block is of a T-shaped block structure, an arc block is arranged at the top of the limiting block, and the arc block is of a sponge layer structure.

Preferably, the moving groove is of a T-shaped cavity structure, the clamping assembly comprises a moving block, guide sliding rods are movably inserted into two sides of the limiting block, a second reset spring is arranged between each guide sliding rod and the corresponding moving groove, a sliding groove is formed in the top of the corresponding moving groove, and the end portion of the moving block penetrates through the sliding groove to be provided with the clamping block.

Preferably, the end of the guide slide bar is of a semi-arc structure, the moving block is movably sleeved on the guide slide bar and is of an L-shaped block structure, and a first pressure spring is arranged between the moving block and the moving groove and sleeved on the guide slide bar.

Preferably, the guide slide bar is provided with a containing groove, the containing groove is connected with an inserting block in a sliding and clamping manner, the whole inserting block is of a T-shaped block structure, the top of the inserting block is of a semi-arc structure, a second pressure spring is arranged between the inserting block and the containing groove, and the inserting block is movably inserted into the moving block.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fixing plates are additionally arranged on the two sides of the mounting table, and the nose support of the glasses is placed on the arc block and pressed downwards, so that the nose support of the glasses is clamped and fixed by the clamping block, the problem that the other lens is difficult to keep horizontal when an operator holds the other lens by hands is avoided, the accuracy of the detection of the vertex power of the optical lens is ensured, meanwhile, the nose support of the glasses is elastically supported by the supporting assembly, and the collimating objective lens is prevented from being damaged due to the compression of the compression ring on the lens.

Drawings

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

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a cross-sectional view of the support assembly and clamping assembly of the present invention;

fig. 4 is an enlarged schematic structural view of the utility model at B in fig. 3.

In the figure: a base 1; a support base 2; a display screen 3; an installation table 4; a fixed plate 41; a support member 5; a stopper 51; a first return spring 52; an arc block 53; a clamping assembly 6; a moving block 61; a clamping block 62; a guide slide bar 63; a second return spring 64; a first pressure spring 65; an insert block 66; a second pressure spring 67; a collimator objective lens 7; a fixed bracket 8; a clamp ring 81; a lens stage 9.

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 to 4, the present invention provides a technical solution: a top focal power detection device for an optical lens comprises a base 1 for detecting the top focal power of the optical lens, wherein a supporting seat 2 is welded on the base 1, a display screen 3 is installed at the top of the supporting seat 2 through a screw, an installation table 4 is welded at the front side of the supporting seat 2 at the top of the base 1, fixing plates 41 are welded at two sides of the top of the installation table 4, an accommodating groove is formed in the upper surface of each fixing plate 41, a supporting component 5 with a reset function is installed on the accommodating groove, each supporting component 5 comprises a limiting block 51, each limiting block 51 is of a T-shaped block-shaped structure, each limiting block 51 is slidably clamped on the accommodating groove, a first reset spring 52 is fixedly connected between each limiting block 51 and the accommodating groove, each limiting block 51 is of a T-shaped block-shaped structure, an arc block 53 is arranged at the top of each limiting block 52, each arc block 53 is of a sponge layer structure, and a collimating objective lens 7 is fixedly installed on the installation table 4, fixed bolster 8 is installed to the front side of supporting seat 2, fixed bolster 8 is connected with clamp ring 81 through extending structure, extending structure can be electric putter, lens platform 9 is installed in the below of fixed bolster 8 to the front side of supporting seat 2 in the position of fixed bolster 8, lens platform 9 passes through the telescopic link and installs the front side at supporting seat 2, when examining, 8 clamp rings that set up on fixed bolster 6 move down, compress tightly one of them lens of glasses on collimator objective 5, place at circular arc piece 53 and press down through the nose support department with glasses, because under the spring action of first reset spring 52, make circular arc piece 53 have the effect of upwards supporting to the nose support department of glasses all the time, and then laminate between one of them lens of glasses and collimator objective 7, prevent that clamp ring 8 from leading to collimator objective 5's damage to compressing tightly of lens.

The two sides of the supporting component 5 on the fixed plate 41 are both provided with a moving groove, the moving groove is provided with a clamping component 6 with an adjusting function, the moving groove is of a T-shaped cavity structure, the clamping component 6 comprises a moving block 61, two sides of the limiting block 51 are both movably inserted with guide sliding rods 63, a second reset spring 64 is fixedly connected between the guide sliding rods 63 and the moving groove, the top of the moving groove is provided with a sliding groove, the end part of the moving block 61 is welded with a clamping block 62 through the sliding groove, the clamping block 62 is of a certain flexible structure, a protective lens is prevented from being damaged by clamping in clamping, the bottom of the moving block 61 can be bonded with a damping gasket, so that the moving block 61 can slowly move, the end part of the guide sliding rod 63 is of a semi-circular arc structure, the moving block 61 is movably sleeved on the guide sliding rod 63, the moving block 61 is of an L-shaped block structure, and a first pressure spring 65 is fixedly connected between the moving block 61 and the moving groove, the first pressure spring 65 is sleeved on the guide slide bar 63, a containing groove is formed in the guide slide bar 63, an inserting block 66 is connected with the containing groove in a sliding and clamping mode, the whole inserting block 66 is of a T-shaped block structure, the top of the inserting block 66 is of a semi-circular arc structure, a second pressure spring 67 is fixedly connected between the inserting block 66 and the containing groove, the inserting block 66 is movably inserted on the moving block 61, when the nose support of the glasses is placed on the circular arc block 53 and pressed downwards, in the process, the limiting block 51 moves downwards and extrudes the guide slide bar 63, the guide slide bar 63 moves towards the direction far away from the limiting block 51, the guide slide bar 63 and the moving block 61 are driven to move relatively, the inserting block 66 is contained in the containing groove, at the moment, the moving block 61 moves towards the circular arc block 53 under the elastic force of the first pressure spring 65 to clamp the nose support of the glasses, the process is simple in operation, and two lenses on the glasses are kept relatively fixed, the problem that an operator holds the other lens by hands to be difficult to keep a horizontal state is avoided, and the accuracy of the detection of the vertex power of the optical lens is guaranteed.

The working principle is as follows: in practical use, the nose support of the glasses is placed on the arc block 53 and pressed downwards, the arc block 53 always has an upward supporting effect on the nose support of the glasses under the action of the elastic force of the first return spring 52, when the detection is performed, one lens of the glasses is pressed on the collimator objective 5 through downward movement of the pressing ring 8 arranged on the fixed support 6, and then one lens of the glasses is attached to the collimator objective 7, so that the damage to the collimator objective 5 caused by the pressing of the pressing ring 8 on the lens is prevented, in the process, the limiting block 51 moves downwards and presses the guide slide bar 63, the guide slide bar 63 moves towards the direction far away from the limiting block 51, the relative movement between the guide slide bar 63 and the moving block 61 is promoted, the insertion block 66 is accommodated in the accommodating groove, and the moving block 61 moves towards the arc block 53 under the action of the elastic force of the first pressure spring 65, the clamping block 62 and then hold in the palm the department to the nose of glasses and carry out the centre gripping, this process operation is simple, make two lenses on the glasses keep relatively fixed, it is difficult to keep the horizontality to avoid the operator to hold another lens with the hand, guarantee the accuracy that the focal power of pushing up of optical lens detected, simultaneously under the spring action of first reset spring 52 and second reset spring 64, make circular arc piece 53 and direction slide bar 63 resume to original position, increase the practicality of device, after the focal power detection is accomplished at the top, only need promote the clamping block 62 and make the activity of inserted block 66 peg graft on the movable block 61, realize the spacing of movable block 61, be convenient for detection once more.

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. Top power detection apparatus for an optical lens, comprising a mount (1) for top power detection of the optical lens, characterized in that: the base (1) is provided with a supporting seat (2), the top of the supporting seat (2) is provided with a display screen (3), the top of the base (1) is provided with an installation table (4) at the front side of the supporting seat (2), both sides of the top of the installation table (4) are provided with fixed plates (41), the upper surface of each fixed plate (41) is provided with an accommodating groove, the accommodating groove is provided with a supporting component (5) with a resetting function, the supporting component (5) comprises a limiting block (51), both sides of the supporting component (5) on the fixed plates (41) are provided with moving grooves, the moving grooves are provided with clamping components (6) with adjusting functions, the installation table (4) is provided with a collimating objective (7), the front side of the supporting seat (2) is provided with a fixed support (8), and the fixed support (8) is connected with a compression ring (81) through a telescopic structure, the front side of the supporting seat (2) is provided with a lens table (9) below the fixed support (8).

2. The top power detection apparatus for an optical lens according to claim 1, characterized in that: stopper (51) slip joint is on the holding tank, be provided with first reset spring (52) between stopper (51) and the holding tank.

3. The top power detection apparatus for an optical lens according to claim 2, characterized in that: the limiting block (51) is of a T-shaped block structure, the top of the limiting block (51) is provided with an arc block (53), and the arc block (53) is of a sponge layer structure.

4. The top power detection apparatus for an optical lens according to claim 1, characterized in that: the movable groove is of a T-shaped cavity structure, the clamping assembly (6) comprises a movable block (61), guide slide bars (63) are movably inserted into two sides of the limiting block (51), a second reset spring (64) is arranged between each guide slide bar (63) and the corresponding movable groove, a sliding groove is formed in the top of the corresponding movable groove, and a clamping block (62) is arranged at the end portion of the movable block (61) in a penetrating mode through the sliding groove.

5. The top power detection apparatus for an optical lens according to claim 4, characterized in that: the end part of the guide sliding rod (63) is of a semi-arc structure, the moving block (61) is movably sleeved on the guide sliding rod (63), the moving block (61) is of an L-shaped block structure, a first pressure spring (65) is arranged between the moving block (61) and the moving groove, and the first pressure spring (65) is sleeved on the guide sliding rod (63).

6. The top power detection apparatus for an optical lens according to claim 4, characterized in that: the guide sliding rod (63) is provided with a containing groove, the containing groove is connected with an inserting block (66) in a sliding clamping mode, the whole inserting block (66) is of a T-shaped block structure, the top of the inserting block is of a semi-arc structure, a second pressure spring (67) is arranged between the inserting block (66) and the containing groove, and the inserting block (66) is movably connected to the moving block (61) in an inserting mode.