CN213658229U

CN213658229U - Focusing device of concave-convex lens for camera lens

Info

Publication number: CN213658229U
Application number: CN202023028328.4U
Authority: CN
Inventors: 胡汉民; 胡文杰
Original assignee: Danyang Jinxing Optical Instrument Co ltd
Current assignee: Danyang Jinxing Optical Instrument Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-09
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a focusing device of concave-convex lens for camera lens, which comprises a base, a fixed seat is fixedly arranged at the top end of the base, a slide seat is clamped and arranged at one side of the top end of the base and far from the fixed seat, support columns are fixedly arranged on the upper surfaces of the slide seat and the fixed seat, bearing mechanisms are fixedly arranged on the top ends of the two support columns, four threaded rods are fixedly arranged on the upper surface of each bearing mechanism, and a pressing mechanism is movably sleeved on the four threaded rods arranged in the same group, the convenience of the operation is greatly improved.

Description

Focusing device of concave-convex lens for camera lens

Technical Field

The utility model relates to a focusing device, in particular to camera is meniscus lens's focusing device for camera lens belongs to meniscus lens production technical field.

Background

The concave-convex lens is a lens with thicker central part, the convex lens is divided into a double convex, a plano-convex and a concave-convex mode, the thin convex lens has the convergence function and is also called as a condenser lens, the thicker convex lens has the telescope function, the divergence function or the convergence function, and the like, which is related to the thickness of the lens, in particular to the concave-convex lens used for a camera lens, the camera lens is formed by combining a plurality of concave-convex lenses, the whole lens can be regarded as a whole and analyzed as a convex lens, because of the combination of a plurality of concave-convex lenses, a main point can be separated into an object side main point and an image side main point, even the main point can run out of the lens, the object side focal length and the image side focal length can also be unequal, the concave-convex lens needs to be clamped and fixed by using a clamping structure in the focusing process, and the focusing process is needed.

In the actual use process of the traditional focusing device for the concave-convex lens for the camera lens, due to the fact that the diameters of the concave-convex lens are different, different clamping pieces are required to be used for clamping and fixing the concave-convex lens when the focal length is measured in a focusing mode, the complexity of operation is increased by repeated replacement, convenience in operation is greatly reduced, and accordingly the focusing device for the concave-convex lens for the camera lens needs to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a camera is meniscus lens's focusing device for camera lens to solve and to propose in the above-mentioned background art because meniscus lens's diameter is different, need use different holders to carry out the centre gripping to meniscus lens when focusing the measurement focus fixed, replace the complexity that has increased the operation repeatedly, reduced the problem of the convenience when its operation.

In order to achieve the above object, the utility model provides a following technical scheme: a focusing device of a concave-convex lens for a camera lens comprises a base, wherein a fixed seat is fixedly arranged at the top end of the base, a sliding seat is clamped and installed at one side of the top end of the base far away from the fixed seat, supporting columns are fixedly installed on the upper surfaces of the sliding seat and the fixed seat, supporting mechanisms are fixedly installed at the top ends of the two supporting columns, four threaded rods are fixedly installed on the upper surface of each supporting mechanism, a pressing mechanism is movably sleeved on the four threaded rods arranged in the same group together, and the two pressing mechanisms are both positioned above the supporting mechanisms which are arranged in a matched mode, a side groove is drilled on one outer side wall of the base, a connecting piece is fixedly arranged on one outer side wall of the sliding seat, one end of the connecting piece, which is far away from the sliding seat, is connected with the side opening groove in a sliding manner, and a scale is marked on the outer wall of the base and below the side opening groove.

Preferably, the top of base is opened chisel and is had two T type draw-in grooves, the lower fixed surface of slide installs two T type fixture blocks, two T type fixture block all is connected with the T type draw-in groove block that the phase-match set up.

Preferably, the connecting piece includes a straight plate, the straight plate is fixedly mounted on the outer wall of the sliding seat, a connecting rod is fixedly mounted on the lower surface of the straight plate, a moving block is fixedly mounted at the bottom end of the connecting rod, an alignment mark is marked on the moving block, a sliding block is fixedly mounted at one end, far away from the alignment mark, of the moving block, and the sliding block is slidably connected with the side opening groove.

Preferably, two the bearing mechanism all includes a layer board, two the equal fixed mounting of layer board is in the top of the support column that the phase-match set up, every first arc wall, every have all been dug on the top of layer board equal fixed mounting has first curb plate, every on two outer walls that the layer board was kept away from the upper surface of the first curb plate that the phase-match set up the equal fixed mounting of threaded rod.

Preferably, two pressing mechanism all includes a clamp plate, two the clamp plate all is located the top of the layer board that the phase-match set up, every the second arc wall has all been dug to the bottom of clamp plate, every equal fixed mounting has the second curb plate on two outer walls that the clamp plate kept away from, every all dig two circular openings on the second curb plate.

Preferably, every the threaded rod is kept away from the one end that corresponds the layer board that sets up and all passes the circular opening that the phase-match set up and rather than swing joint, every equal threaded mounting has a stop nut on the threaded rod, every stop nut all is located the top of the second curb plate that the phase-match set up.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a camera is meniscus lens's focusing device for camera lens has the characteristics that improve the simple operation nature, and in specific use, compare with traditional camera is meniscus lens's focusing device for camera lens: this device adopts adjustable clamping structure to carry out the centre gripping fixed to meniscus, can be with pressing mechanism movable mounting in bearing mechanism's top through the threaded rod, rotates stop nut and can carry on spacingly to the clamp plate, conveniently adjusts the interval between bearing mechanism and the pressing mechanism, can carry out the centre gripping to the meniscus of different diameters and fix, and the in-process of focusing can reduce and carry out the fixed complexity of centre gripping to meniscus, has improved the convenience of its operation greatly.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a top view of the present invention;

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

FIG. 4 is a schematic view of the slide carriage structure of the present invention;

FIG. 5 is a schematic view of the supporting mechanism of the present invention;

fig. 6 is a schematic structural view of the pressing mechanism of the present invention.

In the figure: 1. a base; 11. a T-shaped clamping groove; 2. side grooving; 3. a fixed seat; 4. a support mechanism; 41. a support plate; 42. a first side plate; 43. a first arc-shaped slot; 5. a threaded rod; 51. a limit nut; 6. a pressing mechanism; 61. pressing a plate; 62. a second side plate; 63. a second arc-shaped slot; 64. a circular opening; 7. a support pillar; 8. a slide base; 81. a T-shaped fixture block; 9. a connecting member; 91. a straight plate; 92. a slider; 93. a moving block; 94. aligning the mark; 95. a connecting rod; 10. and (4) a scale.

Detailed Description

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.

Referring to fig. 1-6, the present invention provides a technical solution: a focusing device of a concave-convex lens for a camera lens comprises a base 1, wherein a fixed seat 3 is fixedly installed at the top end of the base 1, a slide seat 8 is clamped and installed at one side of the top end of the base 1 far away from the fixed seat 3, supporting columns 7 are fixedly installed on the upper surfaces of the slide seat 8 and the fixed seat 3, supporting mechanisms 4 are fixedly installed at the top ends of the two supporting columns 7, four threaded rods 5 are fixedly installed on the upper surface of each supporting mechanism 4, a pressing mechanism 6 is movably sleeved on the four threaded rods 5 which are arranged in the same group together, the two pressing mechanisms 6 are both positioned above the supporting mechanisms 4 which are arranged in a matched mode, a side groove 2 is chiseled on one outer side wall of the base 1, a connecting piece 9 is fixedly installed on one outer side wall of the slide seat 8, one end, far away from the slide seat 8, of the connecting piece 9 is slidably connected with the side groove 2, this device adopts adjustable clamping structure to carry out the centre gripping fixed to meniscus, can be with 6 movable mounting of pressing means in bearing mechanism 4's top through threaded rod 5, it can carry on spacingly to clamp plate 61 to rotate stop nut 51, the convenient interval between bearing mechanism 4 and the pressing means 6 of adjusting, can carry out the centre gripping fixed to meniscus of different diameters, the in-process of focusing can reduce and carry out the fixed complexity of centre gripping to meniscus, the convenience of its operation has been improved greatly.

Wherein, base 1's top is excavated there are two T type draw-in grooves 11, and the lower fixed surface of slide 8 installs two T type fixture blocks 81, and two T type fixture blocks 81 all are connected with the 11 blocks of T type draw-in groove that the phase-match set up, are connected through the block between T type fixture block 81 and the T type draw-in groove 11, ensure that the top at base 1 can be stably erect to slide 8 to can carry out lateral shifting to slide 8, be convenient for adjust the interval between slide 8 and the fixing base 3.

Wherein, connecting piece 9 includes straight board 91, and straight board 91 fixed mounting is on the outer wall of slide 8, the lower fixed surface of straight board 91 installs connecting rod 95, the bottom fixed mounting of connecting rod 95 has movable block 93, the mark has alignment mark 94 on the movable block 93, the one end fixed mounting that alignment mark 94 was kept away from to movable block 93 has slider 92, slider 92 and the 2 sliding connection that open groove were opened to the side, it can drive movable block 93 along the 2 lateral shifting that open groove was opened to the side to remove slide 8, when alignment mark 94 aligns with the numerical value on the scale 10, can observe the distance between slide 8 and the fixing base 3, be convenient for obtain the interval between two meniscus lenses.

Wherein, two bearing mechanism 4 all include a layer board 41, the equal fixed mounting of two layer boards 41 is on the top of support column 7 that the phase-match set up, first arc wall 43 has all been dug on the top of every layer board 41, equal fixed mounting has first curb plate 42 on two outer walls that every layer board 41 kept away from mutually, the equal fixed mounting of every threaded rod 5 is in the upper surface of the first curb plate 42 that the phase-match set up, with meniscus embedding first arc wall 43 in, ensure that meniscus can be stable erects on the top of layer board 41.

Wherein, two pressing mechanism 6 all include a clamp plate 61, two clamp plates 61 all are located the top of the layer board 41 that the phase-match set up, second arc wall 63 has all been dug to the bottom of every clamp plate 61, equal fixed mounting has second curb plate 62 on two outer walls that every clamp plate 61 kept away from mutually, all dig two circular openings 64 on every second curb plate 62, imbed meniscus's top in second arc wall 63, ensure that meniscus can be as an organic whole with clamp plate 61 firm connection, then carry out the centre gripping through clamp plate 61 and layer board 41 to meniscus fixed, ensure that meniscus can stable erection in the top of base 1.

Wherein, every threaded rod 5 is kept away from the circular opening 64 that the phase-match set up and rather than swing joint all to be passed from the one end that corresponds the layer board 41 that sets up, and a stop nut 51 is installed to equal screw thread on every threaded rod 5, and every stop nut 51 all is located the second side plate 62's that the phase-match set up top, installs stop nut 51 screw thread on threaded rod 5, then can carry on spacingly to clamp plate 61, ensures that meniscus lens can firmly centre gripping in the position between clamp plate 61 and layer board 41.

Specifically, when the utility model is used, firstly, the bottom of the concave-convex lens is inserted into the first arc-shaped groove 43, so as to ensure that the concave-convex lens can be stably erected at the top end of the supporting plate 41, the pressing plate 61 is conveniently movably sleeved on the threaded rod 5 through the movable connection between the threaded rod 5 and the circular opening 64, the pressing plate 61 is pushed downwards, then the top of the concave-convex lens is embedded into the second arc-shaped groove 63, so as to ensure that the concave-convex lens and the pressing plate 61 can be firmly connected into a whole, the limiting nut 51 is screwed on the threaded rod 5, so as to limit the pressing plate 61, then the concave-convex lens is clamped and fixed through the pressing plate 61 and the supporting plate 41, so as to ensure that the concave-convex lens can be stably erected at the top end of the base 1, the slide 8 can be stably installed at the top end of the base 1 through the clamping connection between the T-shaped clamping block 81, the distance between the sliding seat 8 and the fixed seat 3 can be conveniently adjusted, and by aligning the alignment mark 94 with the value on the scale 10, the distance between the slide 8 and the holder 3, i.e. the distance between the two meniscus lenses, the focal length between the two concave-convex lenses can be obtained more easily in the focusing process, and compared with the traditional focusing device, the device adopts an adjustable clamping structure to clamp and fix the concave-convex lenses, the pressing mechanism 6 can be movably arranged above the bearing mechanism 4 through the threaded rod 5, the pressing plate 61 can be limited by rotating the limiting nut 51, the distance between the bearing mechanism 4 and the pressing mechanism 6 can be conveniently adjusted, concave-convex lenses with different diameters can be clamped and fixed, the complexity of clamping and fixing the concave-convex lens can be reduced in the focusing process, and the convenience of operation is greatly improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 focusing device of the concave-convex lens for the camera lens comprises a base (1) and is characterized in that a fixed seat (3) is fixedly installed at the top end of the base (1), a slide seat (8) is installed at the top end of the base (1) in a clamping mode at one side far away from the fixed seat (3), support columns (7) are fixedly installed on the upper surfaces of the slide seat (8) and the fixed seat (3), bearing mechanisms (4) are fixedly installed at the top ends of the two support columns (7), four threaded rods (5) are fixedly installed on the upper surface of each bearing mechanism (4), a pressing mechanism (6) is movably sleeved on the four threaded rods (5) which are arranged in the same group, the two pressing mechanisms (6) are located above the bearing mechanisms (4) which are arranged in a matched mode, and a side groove (2) is drilled on one outer side wall of the base (1), fixed mounting has connecting piece (9) on an lateral wall of slide (8), the one end and the side fluting (2) sliding connection of slide (8) are kept away from in connecting piece (9), just be located the below scale mark of side fluting (2) on the outer wall of base (1) and have scale (10).

2. A focusing device of a meniscus lens for a camera lens according to claim 1, characterized in that: the top of base (1) is opened and is chiseled there are two T type draw-in grooves (11), the lower fixed surface of slide (8) installs two T type fixture blocks (81), two T type fixture block (81) all are connected with T type draw-in groove (11) block that the phase-match set up.

3. A focusing device of a meniscus lens for a camera lens according to claim 1, characterized in that: the connecting piece (9) comprises a straight plate (91), the straight plate (91) is fixedly installed on the outer wall of the sliding seat (8), a connecting rod (95) is fixedly installed on the lower surface of the straight plate (91), a moving block (93) is fixedly installed at the bottom end of the connecting rod (95), an alignment mark (94) is marked on the moving block (93), a sliding block (92) is fixedly installed at one end, far away from the alignment mark (94), of the moving block (93), and the sliding block (92) is in sliding connection with the side groove (2).

4. A focusing device of a meniscus lens for a camera lens according to claim 1, characterized in that: two bearing mechanism (4) all include one layer board (41), two the equal fixed mounting of layer board (41) is on the top of support column (7) that the phase-match set up, every first arc wall (43) have all been dug in the top of layer board (41), every equal fixed mounting has first curb plate (42), every on two outer walls that layer board (41) kept away from mutually the equal fixed mounting in the upper surface of the first curb plate (42) that the phase-match set up in threaded rod (5).

5. A focusing device of a meniscus lens for a camera lens according to claim 1, characterized in that: two pressing mechanism (6) all include a clamp plate (61), two clamp plate (61) all are located the top of layer board (41) that the phase-match set up, every second arc wall (63) have all been opened to the bottom of clamp plate (61), every equal fixed mounting has second curb plate (62) on two outer walls that clamp plate (61) kept away from mutually, every all open two circular openings (64) on second curb plate (62).

6. A focusing device of a meniscus lens for a camera lens according to claim 1, characterized in that: every threaded rod (5) are kept away from the one end that corresponds layer board (41) that sets up and all pass circular opening (64) that the phase-match set up and rather than swing joint, every equal threaded mounting has a stop nut (51) on threaded rod (5), every stop nut (51) all are located the top of second curb plate (62) that the phase-match set up.