CN220152559U - Adjustable stripe light source - Google Patents

Abstract

The utility model is applicable to the technical field of stripe light sources, and provides an adjustable stripe light source, which comprises: the bottom of the shell is provided with an opening, and the side wall of the opening is provided with a rack; the grating component is arranged in the opening in a sliding way, the grating component comprises a frame and light blocking pieces which are uniformly and rotatably arranged in the frame, a light leakage gap is arranged between two adjacent light blocking pieces, one end of each light blocking piece is provided with a gear meshed with the rack, when the frame slides, the gear is matched with the rack to adjust the inclination angle of the light blocking piece, and the size of the light leakage gap is synchronously adjusted with the inclination angle of the light blocking piece, so that the structure capable of adjusting the light leakage gap between the grids is arranged, the gap can be adjusted according to requirements when the stripe light source is used, and the adjustment and the application range of the stripe light source are increased.

Description

Adjustable stripe light source

Technical Field

The utility model relates to the technical field of stripe light sources, in particular to an adjustable stripe light source.

Background

The young's double seam experiment is a well-known experiment that demonstrates the interference properties of light with waves. The nature of the interference is a redistribution of the energy of the two beams, in the form of a COS function, so the interference fringes are positive (cosine) fringes. The form of the sine stripe is determined by the independent variable of the COS function, namely the distribution of phase differences, and the phase differences are determined by optical path differences, so that the functions of measuring the surface profile of an object to be measured, three-dimensional scanning and the like can be realized by the principle.

At present, in production application, more detection equipment is used, wherein the detection equipment comprises a planar stripe light source, specifically, the planar stripe light source uses planar illumination, interference straight stripes with alternate brightness are formed by mutual interference of reflected light rays, when the surface of a detected object is uneven, part of the straight stripes deform due to optical path change, so that the problems of uneven points and tiny defects on the surface of an element are detected. The planar stripe light source can well make up for the concave-convex points and the short plates with insignificant small defects which are difficult to detect by the coaxial light source, and is suitable for detecting the concave-convex points and the small defects on reflective objects, film materials, hardware and glass.

In the prior art, patent number is CN202223119235.1, discloses a combination light source of seed program control strip, including casing and strip light source, the grid board of this strip light source can not adjust, leads to the structure that strip light source launched can not adjust to further lead to the application scene and the service environment of strip light source to be more single.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

In view of the above-mentioned drawbacks, an object of the present utility model is to provide an adjustable stripe light source, which can adjust the gap between gratings by setting a structure capable of adjusting the gap between gratings, so as to ensure that the gap can be adjusted according to the requirements when the stripe light source is used, and increase the adjustment and the application range of the stripe light source.

In order to achieve the above object, the present utility model provides an adjustable stripe light source, comprising: the bottom of the shell is provided with an opening, and the side wall of the opening is provided with a rack; the light leakage gap is formed between every two adjacent light blocking members, a gear meshed with the rack is arranged at one end of each light blocking member, the gear and the rack are matched to adjust the inclination angle of each light blocking member when the frame slides, and the size of the light leakage gap and the inclination angle of each light blocking member are synchronously adjusted.

According to the adjustable stripe light source, the side wall of the opening of the shell is provided with the sliding groove for installing the grid component, the rack is arranged on one side of the sliding groove, and the gear is arranged on the outer side of the frame and meshed with the rack.

According to the adjustable stripe light source, one side of the frame parallel to the light blocking piece is provided with the limiting part, the limiting part is provided with the limiting hole, one side of the shell corresponding to the limiting part is provided with the limiting column which is connected in the limiting hole in a sliding mode, the limiting column is sleeved with the thrust spring which compresses the frame towards the inside of the sliding groove, and one side of the frame, which is positioned on the gear, is provided with the obstacle avoidance groove.

According to the adjustable stripe light source, one end, far away from the limiting post, of the sliding groove is provided with the threaded hole, an adjusting rod is screwed in the threaded hole, and the end part of the adjusting rod is abutted against one end, far away from the limiting part, of the frame.

According to the adjustable stripe light source provided by the utility model, the light blocking piece comprises the rotating shaft rotatably connected to the rotating hole of the frame and the baffle fixedly arranged on the rotating shaft, and when all the baffles rotate to the same plane, the baffles block the inside of the frame.

According to the adjustable stripe light source, the top of the inner side of the shell is provided with a light source.

The utility model provides an adjustable stripe light source, comprising: a housing, the bottom of which is provided with an opening, the side wall of the opening is provided with a rack, and a light source (not shown in the figure) inside the housing can be ensured to be ejected from the opening through the opening; the light leakage gap is formed between every two adjacent light blocking members, so that a strip-shaped light source structure is shown when a light source in the shell is irradiated, one end of the light blocking member is provided with a gear meshed with the rack, the gear and the rack are matched to adjust the inclination angle of the light blocking member when the frame slides, the size of the light leakage gap is synchronously adjusted with the inclination angle of the light blocking member, and the structure of the strip light source irradiated by the light source is adjusted by adjusting the light leakage gap.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of a gear according to the present utility model;

FIG. 4 is a schematic perspective view of a frame of the present utility model;

FIG. 5 is a schematic perspective view of a light blocking member according to the present utility model;

in the figure, 1-shell, 11-rack, 2-limit column, 3-frame, 31-limit part, 32-rotation hole, 33-obstacle avoidance groove, 4-adjusting rod, 5-light blocking piece, 51-baffle, 52-gear, 53-rotation shaft and 6-thrust spring.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.

Referring to fig. 1, 3 and 5, the present utility model provides an adjustable stripe light source comprising: a casing 1, the bottom of which is provided with an opening, the side wall of the opening is provided with a rack 11, and the opening ensures that a light source (not shown in the figure) inside the casing 1 can be emitted from the opening; the sliding set up in the inside grid subassembly of opening, the grid subassembly include frame 3 with even rotation set up in the light barrier piece 5 of the inside of frame 3 is equipped with the light leak clearance between two adjacent light barrier pieces 5, guarantees that the inside light source of casing 1 presents a stripe form light source structure when shining, the one end of light barrier piece 5 be equipped with rack 11 engaged gear 52 when frame 3 is gliding, gear 52 with rack 11 cooperation is adjusted the inclination of light barrier piece 5, the light leak clearance size with the inclination of light barrier piece 5 is synchronous to be adjusted, through adjusting the light leak clearance, adjusts the structure of the stripe light source that shines the light source.

Preferably, the side wall of the opening of the housing 1 is provided with a sliding groove for installing the grating assembly, so that the grating assembly can slide in the sliding groove, the rack 11 is arranged on one side of the sliding groove, the gear 52 is arranged on the outer side of the frame 3 and meshed with the rack 11, and the grating assembly slides while driving the light blocking member 5 in the frame 3 to rotate through the rack 11, so that the width of a light leakage gap is adjusted, and the adjustment of the structure of the stripe light source is realized.

Referring to fig. 1, fig. 2, fig. 4 and fig. 5, in addition, a limiting portion 31 is disposed on a side of the frame 3 parallel to the light blocking member 5, a limiting hole is disposed on the limiting portion 31, a limiting post 2 slidably connected in the limiting hole is disposed on a side of the housing 1 corresponding to the limiting portion 31, a thrust spring 6 for pressing the frame 3 towards the inside of the sliding groove is sleeved on the limiting post 2, it is ensured that before use, the grid assembly can be reset under the action of the thrust spring 6, the baffles 51 of all the light blocking members 5 at this time are in the same plane, meanwhile, the light leakage gap at this time is blocked under the action of the baffles 51 to protect the inside of the housing 1, a barrier avoiding groove 33 is disposed on a side of the frame 3 located on the gear 52, and normal matching of the gear 52 and the rack is ensured.

Furthermore, a threaded hole is formed in one end, far away from the limiting post 2, of the sliding groove, an adjusting rod 4 is screwed into the threaded hole, the end portion of the adjusting rod 4 is abutted to one end, far away from the limiting portion 31, of the frame 3, the position of the frame 3 in the sliding groove can be adjusted through rotating the adjusting rod 4, so that the inclination angle of a light barrier can be adjusted, adjustment of a light leakage gap is achieved, the light barrier 5 comprises a rotating shaft 53 which is rotatably connected to a rotating hole 32 of the frame 3 and a baffle plate 51 which is fixedly arranged on the rotating shaft 53, when all the baffle plates 51 are rotated into the same plane, the baffle plate 51 seals the interior of the frame 3, and when the light barrier plate 51 is not used, the opening at the bottom of the shell 1 can be sealed, and the light source inside is protected.

In this embodiment, in combination with fig. 1 to 5, when in use, firstly, the frame 3 of the grille assembly slides in the sliding groove by manually rotating the position of the adjusting rod 4, the gear 52 of the light blocking member 5 rotates under the action of the rack 11 while the frame 3 slides, the baffles 51 rotate and incline by a certain angle, a light leakage gap is formed between two adjacent baffles 51, a light source in the housing 1 forms a stripe light source in the light leakage gap, the adjustment of the structure of the stripe light source is ensured, after the use is finished, the grille assembly resets under the action of the thrust spring 6 by resetting the adjusting rod 4, the baffles 51 rotate to block the opening of the housing 1, and the light source in the housing 1 is protected.

In summary, the present utility model provides an adjustable stripe light source, comprising: a housing, the bottom of which is provided with an opening, the side wall of the opening is provided with a rack, and a light source (not shown in the figure) inside the housing can be ensured to be ejected from the opening through the opening; the light leakage gap is formed between every two adjacent light blocking members, so that a strip-shaped light source structure is shown when a light source in the shell is irradiated, one end of the light blocking member is provided with a gear meshed with the rack, the gear and the rack are matched to adjust the inclination angle of the light blocking member when the frame slides, the size of the light leakage gap is synchronously adjusted with the inclination angle of the light blocking member, and the structure of the strip light source irradiated by the light source is adjusted by adjusting the light leakage gap.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, 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. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

Claims (6)

1. An adjustable stripe light source, comprising:

the bottom of the shell is provided with an opening, and the side wall of the opening is provided with a rack;

the light leakage gap is formed between every two adjacent light blocking members, a gear meshed with the rack is arranged at one end of each light blocking member, the gear and the rack are matched to adjust the inclination angle of each light blocking member when the frame slides, and the size of the light leakage gap and the inclination angle of each light blocking member are synchronously adjusted.

2. The adjustable streak light source as in claim 1 wherein the side wall of the opening of the housing is provided with a sliding groove for the mounting of the grating assembly, the rack is provided on one side of the sliding groove, and the gear is provided on the outside of the frame and engages with the rack.

3. The adjustable stripe light source according to claim 2, wherein a limiting portion is arranged on one side of the frame parallel to the light blocking member, a limiting hole is arranged on the limiting portion, a limiting column which is connected in the limiting hole in a sliding mode is arranged on one side of the shell corresponding to the limiting portion, a thrust spring which compresses the frame towards the inside of the sliding groove is sleeved on the limiting column, and an obstacle avoidance groove is arranged on one side of the frame, which is located on the gear.

4. The adjustable streak light source as in claim 3 wherein the end of the sliding groove remote from the limit post is provided with a threaded hole, an adjusting rod is screwed into the threaded hole, and the end of the adjusting rod abuts against the end of the frame remote from the limit portion.

5. The adjustable stripe light source according to any one of claims 1 to 4, wherein the light blocking member comprises a rotating shaft rotatably connected to the rotating hole of the frame and a baffle fixedly arranged on the rotating shaft, and when all the baffles rotate to the same plane, the baffle seals the inside of the frame.

6. The adjustable stripe light source according to claim 5, wherein a top of an inner side of the housing is provided with a light source.