CN213581708U - Aspheric fisheye lens distortion correction device - Google Patents

Abstract

The utility model provides an aspheric surface fisheye lens distortion correcting unit, includes bottom plate, fixing support, spacing seat and clamp plate, the bottom plate level sets up, be provided with the through-hole on the bottom plate, the below of through-hole is provided with camera device, be provided with curved spacing groove on the right flank of spacing seat, the spacing groove with the coaxial setting of through-hole and with the outer periphery adaptation setting of fisheye lens, the clamp plate sets up the through-hole with between the fixing support, be provided with curved clamping groove on the left surface of clamp plate, clamping groove about the through-hole symmetry sets up, the radius in clamping groove with the radius in spacing groove equals, the clamp plate with be provided with compression spring along the left-right direction between the fixing support, be provided with the connecting rod on the right flank of clamp plate, the upper end of connecting rod is provided with the handle. In a word, the utility model discloses both can carry out accurate fixed to aspheric surface fisheye camera lens, conveniently get again and put the fisheye camera lens.

Description

Aspheric fisheye lens distortion correction device

Technical Field

The utility model relates to an optical lens produces technical field, concretely relates to aspheric surface fisheye lens distortion correcting unit.

Background

The fisheye lens is a special ultra-wide angle lens, the visual angle of the fisheye lens exceeds the range which can be seen by human eyes, the imaging of the fisheye lens is greatly different from the real world scene in eyes of people, when the aspheric fisheye lens is produced, distortion correction needs to be carried out on the aspheric fisheye lens, the traditional correction mode is that the aspheric fisheye lens is installed in a placing hole in a clearance mode, then an image pick-up device is used for imaging through the aspheric fisheye lens, the imaging effect is obtained for corresponding correction, the detection of the aspheric fisheye lens is affected frequently by the size precision of the placing hole in the using process, if the clearance between the placing hole and the aspheric fisheye lens is too large, the follow-up imaging and correction precision can be affected, and if the clearance between the placing hole and the aspheric fisheye lens is too small, great effort and inconvenience are brought when the aspheric fisheye lens is placed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an aspheric surface fisheye lens distortion correcting unit, aim at: not only can the aspheric fisheye lens be accurately fixed, but also the fisheye lens can be conveniently taken and placed.

In order to achieve the above object, the present invention provides the following technical solutions:

an aspheric fisheye lens distortion correction device comprises a bottom plate, a fixed support, a limiting seat and a clamping plate, wherein the bottom plate is horizontally arranged, a through hole is formed in the bottom plate, a camera device is arranged below the through hole, the fixed support and the limiting seat are arranged above the bottom plate and are oppositely arranged on the left side and the right side of the through hole, an arc-shaped limiting groove is formed in the right side surface of the limiting seat, the limiting groove is symmetrically arranged relative to the through hole, the limiting groove and the through hole are coaxially arranged and are matched with the outer circumferential surface of a fisheye lens, the clamping plate is arranged between the through hole and the fixed support, an arc-shaped clamping groove is formed in the left side surface of the clamping plate, the clamping groove is symmetrically arranged relative to the through hole, the radius of the clamping groove is equal to that of the limiting groove, and a compression spring is arranged between the clamping plate and the fixed support along the left and right directions, the right side surface of the clamping plate is provided with a connecting rod, and the upper end of the connecting rod is provided with a handle.

Further, fixing support about the through-hole symmetry sets up two, the clamp plate includes connecting plate and baffle, the connecting plate sets up along the fore-and-aft direction, the baffle is in both ends respectively set up one around the connecting plate, press from both sides tight groove setting and be in on the left surface of connecting plate, the connecting rod sets up the middle part of connecting plate, compression spring with the baffle corresponds the setting, compression spring's one end with the baffle is connected, compression spring's the other end with fixing support connects, the handle is located fixing support's top.

Further, the compression springs are symmetrically arranged in two groups relative to the through holes, and two compression springs are arranged in each group at intervals along the vertical direction.

Furthermore, a limiting hole is formed in the left side face of the fixed support, and the left end fixed by the compression spring is arranged in the limiting hole.

Furthermore, the upper surface of the fixed support is provided with a sliding groove along the left-right direction, the front end and the rear end of the handle are both provided with sliding blocks, and the sliding blocks are arranged in the sliding grooves.

Compared with the prior art, the beneficial effects of the utility model are that: drive the clamp plate through setting up compression spring and press from both sides tight fisheye camera lens for fisheye camera lens is firm to be pressed from both sides tightly between spacing groove and clamp groove, and fisheye camera lens carries on spacingly through the spacing groove, has improved its fixed precision, realizes fixing aspheric surface fisheye camera lens's accurate, when fisheye camera lens needs to be pulled down, only needs to pull the handle, makes the clamp plate keep away from the fisheye camera lens, can easily take off the fisheye camera lens, conveniently gets and puts the fisheye camera lens. In a word, the utility model discloses both can carry out accurate fixed to aspheric surface fisheye camera lens, conveniently get again and put the fisheye camera lens.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on the provided drawings without creative efforts.

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

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a perspective view of FIG. 1;

fig. 4 is a partially enlarged view of a portion B in fig. 3.

In the figure: 1. a base plate; 101. a through hole; 2. a fixed support; 201. a chute; 202. a limiting hole; 3. a connecting rod; 4. a compression spring; 5. a handle; 6. a fisheye lens; 7. a limiting seat; 8. a camera device; 9. a baffle plate; 10. a connecting plate.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention.

Example (b):

as shown in fig. 1 to 4, the utility model provides an aspheric fisheye lens distortion correction device, which comprises a bottom plate 1, a fixed support 2, a limiting seat 7 and a clamping plate, wherein the bottom plate 1 is horizontally arranged, a through hole 101 is arranged on the bottom plate 1, a camera device 8 is arranged below the through hole 101, the fixed support 2 and the limiting seat 7 are both arranged above the bottom plate 1 and are oppositely arranged at the left side and the right side of the through hole 101, an arc-shaped limiting groove is arranged on the right side of the limiting seat 7, the limiting groove is symmetrically arranged about the through hole 101, the limiting groove is coaxially arranged with the through hole 101 and is matched with the outer circumferential surface of the fisheye lens, the clamping plate is arranged between the through hole 101 and the fixed support 2, an arc-shaped clamping groove is arranged on the left side of the clamping plate, the clamping groove is symmetrically arranged about the through hole 101, the radius of the clamping groove is equal to the radius of the limiting groove, a compression spring 4, a connecting rod 3 is arranged on the right side surface of the clamping plate, and a handle 5 is arranged at the upper end of the connecting rod 3.

In this embodiment, fixing support 2 sets up two about through-hole 101 symmetry, the clamp plate includes connecting plate 10 and baffle 9, connecting plate 10 sets up along the fore-and-aft direction, baffle 9 respectively sets up one at both ends around connecting plate 10, press from both sides tight groove setting on the left surface of connecting plate 10, connecting rod 3 sets up the middle part at connecting plate 10, compression spring 4 corresponds the setting with baffle 9, in this embodiment, compression spring 4 sets up two sets of and every group along vertical direction interval about through-hole 101 symmetry and sets up two, improve elasticity and its stability that the clamp plate received, compression spring 4's one end is connected with baffle 9, compression spring 4's the other end and fixing support 2 are connected, handle 5 is located fixing support 2's top.

In order to limit the compression spring 4 more squarely and prevent the compression spring from being stressed and bent, furthermore, a limiting hole 202 is formed in the left side face of the fixed support 2, and the left end fixed by the compression spring 4 is arranged in the limiting hole 202.

In this embodiment, fixing support 2's upper surface is provided with spout 201 along left right direction, and both ends all are provided with the slider around handle 5, and the slider setting is in spout 201 for the clamp plate slides along with the handle, guarantees that the clamp groove is laminated on fisheye lens surface more accurately, prevents that it from taking place slope fish tail fisheye lens.

The utility model provides an aspherical fisheye lens distortion correction device, in the actual use process, firstly, the handle 5 is turned right, the fisheye lens 6 is placed between the limiting groove and the clamping groove, then the handle 5 is slowly loosened to lead the clamping plate to clamp the fisheye lens 6, the fisheye lens 6 is driven by the compression spring 4 to lead the clamping plate to clamp the fisheye lens 6, the fisheye lens 6 is firmly clamped between the limiting groove and the clamping groove, the fisheye lens 6 is accurately limited by the limiting groove, the limiting precision is improved, the aspherical fisheye lens is accurately fixed, the limiting seat is set to be stainless steel when in use, the processing precision is high, the limiting precision is improved, the clamping plate is set to be plastic steel, the fisheye lens 6 is prevented from being crushed, when the fisheye lens needs to be dismounted, the handle is only turned right to lead the clamping plate to be far away from the fisheye lens 6, the fisheye lens 6 can be easily dismounted, the fisheye lens is convenient to take and place, and time and labor are saved. In a word, the utility model discloses both can carry out accurate fixed to aspheric surface fisheye camera lens, conveniently get again and put the fisheye camera lens.

The principle and the embodiment of the present invention have been explained by using specific examples, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention, it should be pointed out that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and these modifications and modifications also fall into the protection scope of the claims of the present invention.

Claims (5)

1. The utility model provides an aspheric surface fisheye lens distortion correcting unit, its characterized in that, includes bottom plate (1), fixing support (2), spacing seat (7) and clamp plate, bottom plate (1) level sets up, be provided with through-hole (101) on bottom plate (1), the below of through-hole (101) is provided with camera device (8), fixing support (2) with spacing seat (7) all set up the top of bottom plate (1) and set up relatively in the left and right sides of through-hole (101), be provided with curved spacing groove on the right flank of spacing seat (7), the spacing groove about through-hole (101) symmetry sets up, the spacing groove with through-hole (101) coaxial setting just sets up with fisheye lens's outer periphery adaptation, the clamp plate sets up through-hole (101) with between fixing support (2), be provided with curved clamping groove on the left surface of clamp plate, the clamping groove is symmetrically arranged relative to the through hole (101), the radius of the clamping groove is equal to that of the limiting groove, a compression spring (4) is arranged between the clamping plate and the fixed support (2) along the left-right direction, a connecting rod (3) is arranged on the right side face of the clamping plate, and a handle (5) is arranged at the upper end of the connecting rod (3).

2. The aspherical fisheye lens distortion correction device according to claim 1, the two fixed supports (2) are symmetrically arranged relative to the through hole (101), the clamping plate comprises a connecting plate (10) and a baffle plate (9), the connecting plate (10) is arranged along the front-back direction, the baffle plates (9) are respectively arranged at the front end and the back end of the connecting plate (10), the clamping groove is arranged on the left side surface of the connecting plate (10), the connecting rod (3) is arranged in the middle of the connecting plate (10), the compression spring (4) is arranged corresponding to the baffle plate (9), one end of the compression spring (4) is connected with the baffle plate (9), the other end of the compression spring (4) is connected with the fixed support (2), and the handle (5) is positioned above the fixed support (2).

3. The distortion correction device of an aspherical fisheye lens of claim 2, characterised in that the compression springs (4) are arranged symmetrically about the through hole (101) in two sets and in two sets spaced apart in the vertical direction.

4. The distortion correction device of an aspherical fisheye lens according to claim 2 or 3, characterized in that a limiting hole (202) is provided on the left side surface of the fixed support (2), and the left end fixed by the compression spring (4) is provided in the limiting hole (202).

5. The aspheric fisheye lens distortion correction device according to claim 2 or 3, characterized in that the upper surface of the fixed support (2) is provided with a sliding groove (201) along the left-right direction, and the front end and the rear end of the handle (5) are provided with sliding blocks, and the sliding blocks are arranged in the sliding groove (201).

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