CN214470725U

CN214470725U - Finished lens camber measuring device

Info

Publication number: CN214470725U
Application number: CN202120947219.8U
Authority: CN
Inventors: 陆守亮
Original assignee: Yangzhou Baoyu Photoelectric Co ltd
Current assignee: Yangzhou Baoyu Photoelectric Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-10-22
Anticipated expiration: 2031-05-06

Abstract

The utility model relates to a technical field is measured to lens camber, concretely relates to finished product lens camber measuring device, the on-line screen storage device comprises a base, the long limit fixedly connected with fixed plate of base top surface one side, the fixed plate top surface rotates and is connected with the turning block, turning block bottom surface fixedly connected with connecting rod, top surface fixedly connected with spring one in the connecting rod, a spring bottom fixedly connected with and connecting rod medial surface sliding connection's rectangular pole, rectangular pole bottom surface fixedly connected with U type frame. The utility model discloses in, through pin and ball footpath appearance contact, can place the ball footpath appearance in the screens frame, the pin can restrict the position of ball footpath appearance with the screens frame, the three contact pilotage axis place plane that makes the ball footpath appearance keeps perpendicular with the horizontal plane, then can directly move the ball footpath appearance downwards, carry out the camber through the lens of ball footpath appearance on to the base and measure, the ball footpath appearance is difficult to crooked during the measurement, the deviation is difficult to appear in the measuring result, be favorable to the measurement of lens camber.

Description

Finished lens camber measuring device

Technical Field

The utility model relates to a lens camber measures technical field, concretely relates to finished product lens camber measuring device.

Background

The lens is usually made of a transparent material with one or more curved surfaces made of optical materials such as glass or resin, and the curvature is defined in geometric optics as the ratio of the arc length of an arc to the included angle corresponding to the arc length, in general, the curvature is the reciprocal of the radius of curvature. The curvature is one of the more important parameters of the lens, the curvature measurement generally adopts a sphere diameter instrument, the sphere diameter instrument specially used for measuring the curvature of the spectacle lens is also called a lens measuring meter or an eye table, and a measuring head of the instrument consists of two fixed contact pins at two sides and a movable contact pin in the middle. When three contact pins vertically face to the surface of the lens, the contact pin with the movable center moves up and down according to the surface bending form of the lens, and the eye surface can convert the moving distance of the movable contact pin into the curvature of the lens and display the curvature.

When using, the existing sphere diameter instrument is usually directly measured by holding the sphere diameter instrument by a measurer, because most lenses are aspheric, and the curvature radiuses of aspheric surfaces at different heights are different, so that the plane where the axes of three contact pins are located needs to be vertical to the horizontal plane when the sphere diameter instrument is used, and the measurer easily inclines the sphere diameter instrument by holding the sphere diameter instrument for measurement, so that the measurement is easy to deviate, and the measurement of the curvature of the lenses is not facilitated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, the utility model aims to provide a finished product lens camber measuring device, through pin and ball footpath appearance contact, can place the ball footpath appearance in the screens frame, the pin can restrict the position of ball footpath appearance with the screens frame, the three contact pilotage axis place plane that makes the ball footpath appearance keeps perpendicular with the horizontal plane, then can directly move the ball footpath appearance downwards, carry out the camber through the lens of ball footpath appearance on to the base and measure, the ball footpath appearance is difficult to crooked during the measurement, the measuring result is difficult to the deviation, be favorable to the measurement of lens camber.

The purpose of the utility model can be realized by the following technical scheme:

a finished lens curvature measuring device comprises a base, a lens can be placed on the base, a fixing plate is fixedly connected to the long edge of one side of the top surface of the base, a rotating block is rotatably connected to the top surface of the fixing plate, a connecting rod is fixedly connected to the bottom surface of the rotating block, a first spring is fixedly connected to the inner top surface of the connecting rod, a rectangular rod in sliding connection with the inner side surface of the connecting rod is fixedly connected to the bottom surface of the rectangular rod, a U-shaped frame is fixedly connected to the bottom surface of the U-shaped frame, a clamping frame is fixedly connected to the bottom surface of the U-shaped frame, a sphere diameter instrument is arranged on the side surface of the clamping frame, the first spring can support the clamping frame and can directly move the sphere diameter instrument downwards during measurement, the rotating block can support the connecting rod, the sphere diameter instrument can be directly rotated during measurement, curvature measurement is performed on the cambered surface of each direction of the lens, a stop lever in contact with the side surface of the sphere diameter instrument is slidably connected to the side surface of the U-shaped frame, the stop lever can be fixed the sphere footpath appearance in the screens frame, can make the axis place plane and the horizontal plane of three contact pins of sphere footpath appearance keep perpendicular like this, and the sphere footpath appearance is difficult to crooked during the measurement, and the measuring result is difficult to the deviation, is favorable to the measurement of lens camber.

Further, the method comprises the following steps: the sliding tray has been all seted up to base top surface both sides, sliding tray medial surface sliding connection has the slide bar, slide bar top surface fixedly connected with U type pole, the base medial surface rotates and is connected with the dwang, dwang side top and the equal fixedly connected with connecting block in bottom, two the equal fixedly connected with of slide bar opposite face acts as go-between, act as go-between one end convolute on the dwang and with a connecting block fixed connection, can make the dwang rotate, roll up the line on the dwang, act as go-between like this and can stimulate the slide bar to lens on the base and remove, press from both sides the lens tight fixedly, fixed lens is comparatively simple, convenient to use, and when fixed, two slide bars will remove the same distance, can make the movable contact pilotage of sphere footpath appearance can just to the centre of a circle of lens, convenient to use.

Further, the method comprises the following steps: dwang lateral wall one end is rotated and is connected with fixed cover with base medial surface fixed connection, be provided with torsion spring between dwang and the fixed cover, under torsion spring's effect, can make the dwang rotate, the dwang rotates and to make the acting as go-between roll up on the dwang, two acting as go-between can make two slide bars remove in opposite directions like this, and it is comparatively convenient to fix the lens like this, convenient to use.

Further, the method comprises the following steps: the dwang is located the outer one end fixedly connected with of base and turns round the piece, turns round the convenient dwang that rotates of piece, the solid fixed ring of base lateral surface fixedly connected with, gu fixed ring side closes soon to be connected with the screw of dwang contact, the back is screwed to the screw, the angle that the dwang can be fixed to the screw, is favorable to improving the fixed effect of lens.

Further, the method comprises the following steps: the equal fixedly connected with in slide bar both sides and base sliding connection's two stoppers, the stopper can carry on spacingly and support to the slide bar.

Further, the method comprises the following steps: two the spread groove has all been seted up to U type pole opposite face both sides, spread groove medial surface sliding connection has to support the piece, support piece side fixedly connected with and spread groove fixed connection's spring two, under the effect of spring two, can make to support the piece and support the lateral wall at the lens, make the position of lens fixed, through four modes of supporting the piece and pressing from both sides tight lens, can fix not unidimensional lens, can fix rectangle or circular lens simultaneously, convenient to use.

Further, the method comprises the following steps: the base top surface central point department fixedly connected with rubber pad can be fixed on placing the rubber pad with the lens.

Further, the method comprises the following steps: the axis of the connecting rod and the axis of the movable contact pin of the sphere diameter instrument are located on the same straight line, and the axes of the rotating block and the connecting rod are located on the same straight line, so that the axis position of the movable contact pin of the sphere diameter instrument is unchanged when the sphere diameter instrument rotates.

The utility model has the advantages that:

1. the top surface of the fixed plate is rotatably connected with a rotating block, the bottom surface of the rotating block is fixedly connected with a connecting rod, the inner top surface of the connecting rod is fixedly connected with a first spring, the bottom end of the first spring is fixedly connected with a rectangular rod which is in sliding connection with the inner side surface of the connecting rod, the bottom surface of the rectangular rod is fixedly connected with a U-shaped frame, the bottom surface of the U-shaped frame is fixedly connected with a clamping frame, the side surface of the clamping frame is provided with a sphere diameter instrument, the side surface of the U-shaped frame is in sliding connection with a stop lever which is in contact with the side surface of the sphere diameter instrument, the sphere diameter instrument can be placed in the clamping frame through the contact of the stop lever and the sphere diameter instrument, the position of the sphere diameter instrument can be limited by the stop lever and the clamping frame, the plane where the axes of three contact pins of the sphere diameter instrument are positioned is vertical to the horizontal plane, then the sphere diameter instrument can be directly moved downwards, the curvature measurement is carried out on the lens on the base through the sphere diameter instrument, the sphere diameter instrument is not easy to skew during the measurement, and the measurement result is not easy to deviate, the measurement of the curvature of the lens is facilitated;

2. through acting as go-between and connecting block fixed connection, can make the dwang rotate, roll up the acting as go-between on the dwang, act as go-between like this and can stimulate the slide bar to the lens removal on the base, press from both sides the lens tight fixedly, it is comparatively simple to fix the lens, convenient to use, and when fixed, two slide bars remove the same distance, be convenient for like this find the centre of a circle of lens, convenient to use, the spread groove has been seted up through U type pole, support a fixedly connected with spring two, when the slide bar moves to the lens, can make to support the piece and support on the lens side, under the effect of spring two, can make to support a tight lens of clamp, through four modes of supporting a tight lens, can fix not unidimensional lens, rectangle or circular lens can be fixed simultaneously, and convenient to use.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic view of the overall structure of a finished lens curvature measuring device of the present invention;

fig. 2 is a schematic structural view of a fixing plate in the present invention;

FIG. 3 is a schematic view of the internal structure of the connecting rod of the present invention;

fig. 4 is a schematic view of the base structure of the present invention;

fig. 5 is a schematic view of the sliding rod structure of the present invention;

fig. 6 is a front cross-sectional view of the base of the present invention;

fig. 7 is a schematic view of the internal structure of the fixing sleeve of the present invention.

In the figure: 1. a base; 11. a sliding groove; 12. a screw; 13. a fixing ring; 2. a sphere diameter instrument; 3. a fixing plate; 31. rotating the block; 4. a connecting rod; 41. a first spring; 42. a rectangular rod; 5. a U-shaped frame; 51. a clamping frame; 52. a stop lever; 6. a slide bar; 61. a U-shaped rod; 62. a limiting block; 63. a second spring; 64. connecting grooves; 65. a resisting block; 7. rotating the rod; 71. connecting blocks; 72. a torsion spring; 73. fixing a sleeve; 8. and pulling a wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, a finished lens curvature measuring device comprises a base 1, a lens can be placed on the base 1, a fixing plate 3 is fixedly connected to one long side of the top surface of the base 1, a rotating block 31 is rotatably connected to the top surface of the fixing plate 3, a connecting rod 4 is fixedly connected to the bottom surface of the rotating block 31, a first spring 41 is fixedly connected to the inner top surface of the connecting rod 4, a rectangular rod 42 slidably connected to the inner side surface of the connecting rod 4 is fixedly connected to the bottom surface of the first spring 41, a U-shaped frame 5 is fixedly connected to the bottom surface of the rectangular rod 42, a clamping frame 51 is fixedly connected to the bottom surface of the U-shaped frame 5, a sphere diameter gauge 2 is arranged on the side surface of the clamping frame 51, the first spring 41 can support the clamping frame 51, the sphere diameter gauge 2 can be directly moved downward during measurement, the rotating block 31 can support the connecting rod 4, and the sphere diameter gauge 2 can be directly rotated during measurement, the cambered surface of each position to the lens carries out the measurement of camber, and U type frame 5 side sliding connection has the pin 52 with 2 side contacts of ball footpath appearance, and the pin 52 can be fixed ball footpath appearance 2 in screens frame 51, can make the axis place plane and the horizontal plane of the three contact pilotage of ball footpath appearance 2 keep perpendicular like this, and ball footpath appearance 2 is difficult to crooked during the measurement, and the measuring result is difficult for appearing the deviation, is favorable to the measurement of lens camber.

Sliding tray 11 has all been seted up to 1 top surface both sides of base, sliding tray 11 medial surface sliding connection has

slide bar

6, 6 top surface fixedly connected with U type pole 61 of slide bar, 1 medial surface of base rotates and is connected with dwang 7, dwang 7 side top and the equal fixedly connected with connecting block 71 in bottom, the equal fixedly connected with of two 6 opposite faces of slide bar acts as go-between 8, 8 one end of acting as go-between convolutes on dwang 7 and with a connecting block 71 fixed connection, can make dwang 7 rotate, roll up 8 on dwang 7 with acting as go-between, 8 can stimulate slide bar 6 to the lens removal on the base 1 like this, press from both sides the lens and press from both sides the fastening, fixed lens is comparatively simple, and convenient to use, and when fixed, two slide bar 6 will remove the same distance, can make the movable contact pilotage of sphere footpath appearance 2 can just to the centre of a circle of lens, and convenient to use. Dwang 7 lateral wall one end is rotated and is connected with fixed cover 73 with base 1 medial surface fixed connection, is provided with torsion spring 72 between dwang 7 and the fixed cover 73, under torsion spring 72's effect, can make dwang 7 rotate, and dwang 7 rotates and can make 8 book of acting as go-between to dwang 7, and two 8 of acting as go-between can make two slide bars 6 remove in opposite directions like this, and it is comparatively convenient to fix the lens like this, convenient to use.

The dwang 7 is located the outer one end fixedly connected with of base 1 and turns round the piece, turns round the convenient dwang 7 that rotates of piece, and the solid fixed ring 13 of 1 lateral surface fixedly connected with of base, solid fixed ring 13 side revolve the closure be connected with the screw 12 of dwang 7 contact, the back is screwed to screw 12, the angle that dwang 7 can be fixed to screw 12 is favorable to improving the fixed effect of lens. The equal fixedly connected with in slide bar 6 both sides and base 1 sliding connection's two stopper 62, stopper 62 can carry on spacingly and support slide bar 6. Connecting groove 64 has all been seted up to two U type pole 61 opposite face both sides, and connecting groove 64 medial surface sliding connection has supports piece 65, supports two 63 of piece 65 side fixedly connected with and connecting groove 64 fixed connection's spring, under the effect of two 63 springs, can make and support piece 65 and support the lateral wall at the lens, makes the position of lens fixed, supports the mode that piece 65 pressed from both sides tight lens through four, can fix not unidimensional lens, can fix rectangle or circular lens simultaneously, convenient to use. The central position of the top surface of the base 1 is fixedly connected with a rubber pad, and the lens can be placed on the rubber pad to be fixed. The axis of the connecting rod 4 and the axis of the movable contact pin of the sphere diameter instrument 2 are located on the same straight line, and the axes of the rotating block 31 and the connecting rod 4 are located on the same straight line, so that the axis position of the movable contact pin of the sphere diameter instrument 2 is unchanged when the sphere diameter instrument 2 rotates.

The working principle is as follows: when in use, the sphere diameter instrument 2 is placed in the clamping frame 51, the stop rod 52 is inserted into the U-shaped frame 5, the stop rod 52 can clamp the position of the sphere diameter instrument 2, the sphere diameter instrument 2 is fixed in the clamping frame 51, the screw 12 is unscrewed, the U-shaped rod 61 can be pulled towards two sides, then the lens is placed on the rubber pad, after the U-shaped rod 61 is loosened, the rotating rod 7 can be rotated under the action of the torsion spring 72, the rotating rod 7 can be rotated to enable the pull wire 8 to be wound on the rotating rod 7, so that the two pull wires 8 can enable the two sliding rods 6 to move towards each other, then the rotating rod 7 can be rotated through the twisting block to enable the sliding rods 6 to continue to move towards the lens, then the screw 12 is screwed to fix the angle of the rotating rod 7, at this time, under the action of the spring two 63, the abutting block 65 can abut against the side wall of the lens to fix the position of the lens, then the sphere diameter instrument 2 can be directly moved downwards, and the surface of the sphere diameter instrument 2 is contacted with the surface of the lens for measurement, the sphere diameter instrument 2 can be directly rotated to measure the curvature of the cambered surface of each angle of the lens.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. The utility model provides a finished lens camber measuring device, its characterized in that, includes base (1), long limit fixedly connected with fixed plate (3) in base (1) top surface one side, fixed plate (3) top surface rotates and is connected with turning block (31), turning block (31) bottom surface fixedly connected with connecting rod (4), top surface fixedly connected with spring (41) in connecting rod (4), spring (41) bottom fixedly connected with and connecting rod (4) medial surface sliding connection's rectangular pole (42), rectangular pole (42) bottom surface fixedly connected with U type frame (5), U type frame (5) bottom surface fixedly connected with screens frame (51), screens frame (51) side is provided with sphere diameter appearance (2), U type frame (5) side sliding connection has pin (52) with sphere diameter appearance (2) side contact.

2. The finished lens curvature measuring device of claim 1, wherein sliding grooves (11) are formed in both sides of the top surface of the base (1), sliding rods (6) are slidably connected to the inner side surfaces of the sliding grooves (11), a U-shaped rod (61) is fixedly connected to the top surface of each sliding rod (6), a rotating rod (7) is rotatably connected to the inner side surface of the base (1), connecting blocks (71) are fixedly connected to the top and the bottom of the side surface of the rotating rod (7), pull wires (8) are fixedly connected to the opposite surfaces of the two sliding rods (6), and one end of each pull wire (8) is wound on the rotating rod (7) and is fixedly connected with one connecting block (71).

3. A finished lens curvature measuring device as claimed in claim 2, wherein a fixing sleeve (73) fixedly connected with the inner side of the base (1) is rotatably connected to one end of the side wall of the rotating rod (7), and a torsion spring (72) is disposed between the rotating rod (7) and the fixing sleeve (73).

4. A finished lens curvature measuring device according to claim 3, wherein one end of the rotating rod (7) located outside the base (1) is fixedly connected with a torsion block, the outer side surface of the base (1) is fixedly connected with a fixing ring (13), and the side surface of the fixing ring (13) is rotatably connected with a screw (12) contacting with the rotating rod (7).

5. A finished lens curvature measuring device according to claim 2, characterized in that two limit blocks (62) connected with the base (1) in a sliding manner are fixedly connected to both sides of the sliding rod (6).

6. The finished lens curvature measuring device of claim 2, wherein two opposite sides of the two U-shaped rods (61) are respectively provided with a connecting groove (64), the inner side surface of each connecting groove (64) is slidably connected with a resisting block (65), and the side surface of each resisting block (65) is fixedly connected with a second spring (63) fixedly connected with the connecting groove (64).

7. A finished lens curvature measuring device as claimed in claim 1, wherein a rubber pad is fixedly connected to the center of the top surface of the base (1).

8. A finished lens curvature measuring device according to claim 1, characterized in that the axis of the connecting rod (4) is in line with the axis of the movable stylus of the sphere diameter gauge (2), and the axes of the turning block (31) and the connecting rod (4) are in line.