CN210953333U

CN210953333U - Center prospecting device for different focal length positions of optical center instrument lens

Info

Publication number: CN210953333U
Application number: CN201921132984.3U
Authority: CN
Inventors: 姚程
Original assignee: Changzhou Changguang Optical Instrument Co ltd
Current assignee: Changzhou Changguang Optical Instrument Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-07-07
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a different focal length position's of optical center appearance camera lens center prospecting device, the on-line screen storage device comprises a base, the spout has been seted up at the base top, clamp plate effect through fixing device presss from both sides the lens side tightly, thereby effectively fix to not unidimensional lens, and this kind of structure conveniently changes the lens, simultaneously can place a plurality of lenses inside the fixing base, make things convenient for the measurement of a plurality of lens focuses, and the telescopic link passes through slider sliding connection and designs in the spout, conveniently change the relative distance between fixing base upper end lens and searchlight and the display panel, thereby lens refraction point according to the display panel presentation, and the focus of corresponding lens is known to scale interval or laser range finder numerical value, spring action, conveniently to pulling the adjustment sheet, thereby make the clamp plate keep certain packing force.

Description

Center prospecting device for different focal length positions of optical center instrument lens

Technical Field

The utility model relates to a lens focus center surveys technical field, specifically is a device is surveyed at the center of the different focal length positions of optics center appearance camera lens.

Background

The optical center instrument is an instrument for measuring and correcting the different axial degrees of the optical axis and the outer ring of the spherical lens in the processes of optical element processing and optical assembly, and is one of necessary detection instruments in the lens production process, the traditional optical center instrument has a relatively complex structure, and is very inconvenient for personnel to replace lenses with different sizes, and the traditional optical center instrument cannot adjust the position of the lenses as required after the lenses are fixed, is not suitable for measuring the focal lengths of the lenses with various sizes, and has the improvement on the measure for detecting the central focal length of the converged lenses when a plurality of lenses are not converged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is surveyed at different focal length positions's of optics center appearance camera lens center to it is complicated relatively to propose traditional optics center appearance structure in the above-mentioned background art to solve, it is very inconvenient when personnel change not unidimensional lens, and traditional center appearance is in the fixed back of lens, can not adjust the lens position as required, be not suitable for the measurement of the lens focal length of the size of various sizes, and when lacking a plurality of lenses and collect, carry out the problem of the measure that detects to the central focal length that assembles the lens.

In order to solve the technical problem, the utility model provides a following technical scheme: a center prospecting device for different focal length positions of an optical center instrument lens comprises a base, wherein a sliding groove is formed in the top of the base, two telescopic rods are slidably connected to two ends of the inside of the sliding groove, a fixed block and a searchlight are fixedly connected to the upper ends of the two telescopic rods respectively, a fixed seat is movably connected to the upper end of the fixed block, the fixed seat is of a semicircular structure, an arc-shaped cover plate is rotatably connected to one side of the fixed seat through three hinges, a circular structure is formed between the arc-shaped cover plate and the fixed seat, a fixing device penetrates through the inside of the arc-shaped cover plate and consists of an adjusting rod, a clamping plate, an adjusting piece and a spring, the adjusting rod penetrates through the inner wall of the arc-shaped cover plate, two ends of the adjusting rod respectively extend to the inner end and the outer end of the arc-shaped, the spring nestification is in the outside of adjusting the pole, fixing device runs through the inner wall at the fixing base equally, the two mutual symmetry of the fixing device of arc apron and the fixing device of fixing base, one side of fixed block is equipped with laser range finder, one side of laser range finder is located upper end one side fixedly connected with display panel of base.

Preferably, the lower end of the fixing seat is fixedly connected with a fitting block, and a fitting groove for accommodating the fitting block is formed in the fixing block.

Preferably, the outside of telescopic link is run through and is had the nut of screwing for inject the flexible length of telescopic link, the lower extreme of telescopic link is equipped with the slider that matches each other with the spout.

Preferably, one side of the sliding groove is located at the upper end of the base and is provided with a scale value.

Preferably, one side of scale interval is located the front end of base and is equipped with the display screen, the display screen links to each other with laser range finder electrical property.

Preferably, the searchlight and the fixing seat are at the same horizontal height, and the height of the display board is greater than that of the searchlight.

Preferably, the clamping plate is of an arc-shaped structure, an arc-shaped positioning groove is formed in the inner wall of the clamping plate, and rubber is filled in the inner wall of the arc-shaped positioning groove.

Preferably, one end of the arc-shaped cover plate, which is far away from the hinge, is fixedly connected with a shifting piece.

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

1. the utility model discloses fixing base one side is rotated through a plurality of hinges and is connected with the design of arc apron, and the inside fixing device design of arc apron, thereby when not unidimensional lens is fixed, can press from both sides the lens side through fixing device's clamp plate effect and press from both sides tightly, thereby effectively fix to not unidimensional lens, and this kind of structure conveniently changes the lens, can place a plurality of lenses inside the fixing base simultaneously, make things convenient for the measurement of a plurality of lens focuses, and the telescopic link passes through slider sliding connection and designs in the spout, conveniently change the relative distance between fixing base upper end lens and searchlight and the display panel, thereby lens refraction point that presents according to the display panel, and the focus of corresponding lens is known to scale interval or laser range finder numerical value, spring action, conveniently to pulling the adjustment sheet, thereby make the clamp plate keep certain packing force.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a side sectional view of the fixing base structure according to the embodiment of the present invention;

fig. 3 is a perspective view of a clamping plate structure according to an embodiment of the present invention.

In the figure: 1. a base; 2. a chute; 3. a slider; 4. a telescopic rod; 5. a searchlight; 6. a fixed block; 7. a display panel; 8. a fitting groove; 9. fitting blocks; 10. a fixed seat; 11. a hinge; 12. an arc-shaped cover plate; 13. adjusting a rod; 14. a clamping plate; 15. a regulating sheet; 16. a spring; 17. a shifting sheet; 18. positioning a groove; 19. laser range finder.

Detailed Description

An embodiment of the utility model provides a device is surveyed to center that different focal length positions of optics center appearance camera lens. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present embodiment provides a center surveying device for different focal length positions of an optical center instrument lens, which includes a base 1, a sliding groove 2 is formed at the top of the base 1, two telescopic rods 4 are slidably connected to two ends of the inside of the sliding groove 2, a fixed block 6 and a searchlight 5 are respectively fixedly connected to the upper ends of the two telescopic rods 4, a fixed seat 10 is movably connected to the upper end of the fixed block 6, the fixed seat 10 is in a semicircular structure, an arc-shaped cover plate 12 is rotatably connected to one side of the fixed seat 10 through three hinges 11, a circular structure is formed between the arc-shaped cover plate 12 and the fixed seat 10, a fixing device is penetrated through the inside of the arc-shaped cover plate 12, the fixing device is composed of an adjusting rod 13, a clamping plate 14, an adjusting plate 15 and a spring 16, the adjusting rod 13 penetrates through the inner wall of the arc-shaped cover, be equipped with spring 16 between adjustment sheet 15 and the arc apron 12, spring 16 nestification is in the outside of adjusting pole 13, and fixing device runs through the inner wall at fixing base 10 equally, and the fixing device of arc apron 12 and the fixing device of fixing base 10 are two mutual symmetries, and one side of fixed block 6 is equipped with laser range finder 19, and one side of laser range finder 19 is located upper end one side fixedly connected with display panel 7 of base 1.

In this embodiment, one side of the fixing base 10 is connected with an arc cover plate 12 through a plurality of hinges 11, and the fixing device inside the arc cover plate 12 is designed, so that when the lenses with different sizes are fixed, the side edges of the lenses can be clamped by the clamping plate 14 of the fixing device, thereby effectively fixing the lenses with different sizes, and the structure is convenient for replacing the lenses, and simultaneously, a plurality of lenses can be arranged in the fixed seat 10, which is convenient for measuring the focal lengths of the lenses, the telescopic rod 4 is connected in the sliding chute 2 in a sliding way through the sliding block 3, so that the relative distance between the lens at the upper end of the fixed seat 10 and the searchlight 5 and the display panel 7 can be changed conveniently, so as to know the focal length of the corresponding lens according to the refraction point of the lens presented by the display board 7 and the scale value or the value of the laser range finder 19, the spring 16 acts to conveniently pull the adjusting sheet 15, thereby keeping a certain pressing force of the clamping plate 14.

Example 2

Referring to fig. 1-3, a further improvement is made on the basis of embodiment 1: the lower end of the fixed seat 10 is fixedly connected with a conjunction block 9, the inside of the fixed block 6 is provided with a conjunction groove 8 for accommodating the conjunction block 9, the fixed seat 10 is conveniently installed at the upper end of the fixed block 6, a screwing nut penetrates through the outside of the telescopic rod 4 and is used for limiting the telescopic length of the telescopic rod 4, the lower end of the telescopic rod 4 is provided with a sliding block 3 matched with the sliding groove 2, the telescopic rod 4 is convenient to slide relatively in the sliding groove 2, one side of the sliding groove 2 is positioned at the upper end of the base 1 and is provided with a scale interval which is convenient to penetrate through the relative distance between the lens and the display panel 7, one side of the scale interval is positioned at the front end of the base 1 and is provided with a display screen, the display screen is electrically connected with the laser range finder 19, the detection data of the laser range finder 19 can be conveniently observed through the display screen, the searchlight 5 and the fixed seat, clamping plate 14 is the arc structure, and the inner wall has seted up arc constant head tank 18, and the inner wall packing of arc constant head tank 18 has rubber, and arc constant head tank 18 is convenient to be fixed the lens, and hinge 11 one end fixedly connected with plectrum 17 is kept away from to arc apron 12, conveniently opens arc apron 12 on fixing base 10 through plectrum 17 to conveniently place the lens.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a central reconnaissance device of different focal length positions of optics center appearance camera lens, includes base (1), its characterized in that: spout (2) have been seted up at base (1) top, the inside both ends sliding connection of spout (2) has two telescopic links (4), two the upper end difference fixedly connected with fixed block (6) and searchlight (5) of telescopic link (4), the upper end swing joint of fixed block (6) has fixing base (10), fixing base (10) are semi-circular structure, one side of fixing base (10) is rotated through three hinge (11) and is connected with arc apron (12), form circular structure between arc apron (12) and fixing base (10), the inside of arc apron (12) is run through there is fixing device, fixing device comprises regulation pole (13), clamp plate (14), adjustment piece (15) and spring (16), adjust pole (13) and run through the inner wall at arc apron (12), the both ends of adjusting pole (13) extend to the inside and outside both ends difference fixed connection clamp plate of arc apron (12) respectively (14) And adjusting plate (15), be equipped with spring (16) between adjusting plate (15) and arc apron (12), spring (16) nestification is in the outside of adjusting pole (13), fixing device runs through the inner wall in fixing base (10) equally, the two mutual symmetries of fixing device and fixing base (10) of arc apron (12), one side of fixed block (6) is equipped with laser range finder (19), one side of laser range finder (19) is located upper end one side fixedly connected with display panel (7) of base (1).

2. The apparatus of claim 1, wherein the center finder comprises: the lower end of the fixed seat (10) is fixedly connected with a conjunction block (9), and a conjunction groove (8) for accommodating the conjunction block (9) is formed in the fixed block (6).

3. The apparatus of claim 1, wherein the center finder comprises: the outside of telescopic link (4) is run through and is had the nut of screwing for inject the flexible length of telescopic link (4), the lower extreme of telescopic link (4) is equipped with slider (3) that matches each other with spout (2).

4. The apparatus of claim 1, wherein the center finder comprises: one side of the sliding groove (2) is positioned at the upper end of the base (1) and is provided with a scale value.

5. The apparatus of claim 4, wherein the center finder comprises: one side of scale interval is located the front end of base (1) and is equipped with the display screen, the display screen links to each other with laser range finder (19) electrical property.

6. The apparatus of claim 1, wherein the center finder comprises: the searchlight (5) and the fixed seat (10) are positioned at the same horizontal height, and the height of the display plate (7) is larger than that of the searchlight (5).

7. The apparatus of claim 1, wherein the center finder comprises: the clamping plate (14) is of an arc-shaped structure, an arc-shaped positioning groove (18) is formed in the inner wall of the clamping plate, and rubber is filled in the inner wall of the arc-shaped positioning groove (18).

8. The apparatus of claim 1, wherein the center finder comprises: one end of the arc-shaped cover plate (12), which is far away from the hinge (11), is fixedly connected with a shifting sheet (17).