CN213399016U

CN213399016U - Optical filter for laser ranging

Info

Publication number: CN213399016U
Application number: CN202022701987.3U
Authority: CN
Inventors: 郝锦辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-06-08
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a light filter that laser rangefinder used relates to the laser rangefinder field, the utility model discloses an installation shell, the mounting groove has all been seted up to the top both sides of installation shell, the top of installation shell is provided with fixed axle and laser hole, the inner wall of installation shell is encircleed to be opened and is equipped with the spout, the inboard of spout is connected with the mounting panel through the swivel becket, the top of fixed axle extends to the top of mounting panel and is fixed with the cleaning member, the spacing groove has been seted up to the bottom of mounting panel, there is the spacing ball that extends to spacing inslot portion inside below the inside of mounting groove through spring coupling, light filter and protruding limit are installed respectively at. Can avoid the wearing and tearing of light filter through the protruding limit, the regular hexagon structure of graphite has higher stability, and the graphite atom of coplanar is extremely difficult to be destroyed, therefore the graphite coating film can carry out fine protection to the light filter, further prevents the light filter fish tail, increases the transmissivity of light through setting up the AF coating film, improves the luminance of formation of image.

Description

Optical filter for laser ranging

Technical Field

The utility model relates to a laser rangefinder field specifically is a light filter that laser rangefinder used.

Background

The phase type laser range finder is suitable for civil scope due to the characteristics of high precision, small power and convenience, has larger market and application prospect, needs to remove the interference of various non-characteristic light rays on site during measurement, and engineers need to use various optical filters to filter the interference in order to improve the reliability and accuracy of measurement.

When changing the light filter, the finger touches the light filter surface easily, and salt and the acid material on the hand corrode the substrate surface, and if the dwell time is too long, then easily surface coating material takes place chemical reaction and thereby becomes permanent stain, and makes the surface scratch easily at the in-process of changing, causes the light filter to damage easily to adhere to the dust on the light filter easily, and then influences measuring effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problem that the filter is not convenient to replace, the filter is easy to scrape and dust adheres to the filter to influence the measurement effect, the filter for laser ranging is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an optical filter that laser rangefinder used, includes the installation shell, the mounting groove has all been seted up to the top both sides of installation shell, the top of installation shell is provided with fixed axle and laser hole, the inner wall of installation shell is encircleed to open and is equipped with the spout, the inboard of spout is connected with the mounting panel through the swivel becket, the top of fixed axle extends to the top of mounting panel and is fixed with the cleaning member, the spacing groove has been seted up to the bottom of mounting panel, there is the spacing ball that extends to spacing inslot portion inside below the inside of mounting groove through spring coupling, optical filter and protruding limit are installed respectively to the top of mounting panel, the top of optical filter is provided with the graphite coating film, the bottom of.

Preferably, the raised edge is disposed around the top of the mounting plate.

Preferably, the outer surface of the mounting plate is provided with anti-slip lines.

Preferably, four sets of the optical filters are arranged, and the four sets of the optical filters are distributed in a prismatic array shape.

Preferably, the bottom of the cleaning piece is provided with a superfine fiber layer, and the bottom of the cleaning piece is in close contact with the graphite coating.

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

1. the utility model is provided with a rotating ring, a sliding groove, a spring, a limit ball, a fixed shaft, a cleaning piece and a limit groove, when the optical filters need to be switched, a worker rotates a mounting plate to enable the rotating ring to slide in the sliding groove, the limit ball can be extruded by external force to press the spring when rotating, so that the limit ball is retracted into the mounting groove, meanwhile, the next group of optical filters also rotate, in the rotating process, because the position of the fixed shaft is unchanged, the cleaning piece can clean the surface of the next group of optical filters, the cleanliness of the optical filters is ensured, the influence of dust attached on the optical filters on the measuring effect is avoided, when the position of the next group of optical filters corresponds to the position of a laser hole, the limit ball also corresponds to the position of the next group of limit groove, at the moment, under the reset action of the spring, the limit ball is clamped into the limit groove again, thereby fixing the position of the, the stability of the mounting plate is guaranteed, the optical filter is replaced in the mode, the disassembling complexity is avoided, the replacement efficiency is improved, the damage to the optical filter caused in the replacement process is avoided, and the method is simple and convenient and high in practicability;

2. the utility model discloses set up AF coating film, graphite coating film and protruding limit, can avoid the wearing and tearing of light filter through protruding limit, the regular hexagon structure of graphite has higher stability, and the graphite atom of coplanar is extremely difficult to be destroyed, therefore the graphite coating film can carry out fine protection to the light filter, further prevents the light filter fish tail, through setting up the transmissivity that AF coating film increased light, improves the luminance of formation of image.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the structure of the mounting plate of the present invention;

FIG. 3 is a schematic view of the mounting plate of the present invention;

fig. 4 is a schematic diagram of a partially enlarged structure of the present invention a.

In the figure: 1. mounting a shell; 2. laser holes; 3. mounting a plate; 4. an optical filter; 5. a fixed shaft; 6. coating with AF (AF); 7. coating a graphite film; 8. a raised edge; 9. a rotating ring; 10. a cleaning member; 11. a limiting ball; 12. A limiting groove; 13. mounting grooves; 14. a spring; 15. a chute.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-4, an optical filter for laser ranging includes a mounting case 1, a laser hole 2, a mounting plate 3, an optical filter 4, a fixing shaft 5, a graphite coating 7, an AF coating 6, a raised edge 8, a rotating ring 9, a cleaning member 10, a limiting ball 11, a limiting groove 12, a mounting groove 13, a spring 14 and a sliding groove 15, wherein the mounting groove 13 is formed on both sides of the top of the mounting case 1, the fixing shaft 5 and the laser hole 2 are formed on the top of the mounting case 1, the sliding groove 15 is formed around the inner wall of the mounting case 1, the inner side of the sliding groove 15 is connected to the mounting plate 3 through the rotating ring 9, the top end of the fixing shaft 5 extends to the top of the mounting plate 3 and is fixed with the cleaning member 10, so as to facilitate dust removal and cleaning of the optical filter 4, the limiting groove 12 is formed on the bottom of the mounting plate 3, the lower portion inside, the optical filter 4 and the raised edge 8 are respectively installed on the top of the installation plate 3, the graphite coating film 7 is arranged on the top of the optical filter 4, the optical filter 4 can be protected, and the AF coating film 6 is arranged on the bottom of the optical filter 4, so that the light transmittance of the optical filter 4 can be improved.

Please refer to fig. 1-2, the protruding edge 8 is disposed around the top of the mounting plate 3, the optical filter 4 can be effectively prevented from being worn by the protruding edge 8, and the anti-slip pattern is disposed on the outer surface of the mounting plate 3 to increase friction force, so that the rotation is more convenient.

Please refer to fig. 1-3, the four sets of filters 4 are arranged, and the four sets of filters 4 are distributed in a prismatic array shape, so that the filters 4 can be switched conveniently without disassembly, and the operation is more convenient, the bottom of the cleaning element 10 is provided with the ultrafine fiber layer, and the bottom of the cleaning element 10 is in close contact with the graphite coating 7, so as to facilitate dust removal and cleaning of the filters 4, and ensure the measurement effect.

The working principle is as follows: firstly, the worker detects whether the optical filter 4 is intact, when the optical filter 4 needs to be switched, the worker rotates the mounting plate 3 to enable the rotating ring 9 to slide in the sliding groove 15, the limiting ball 11 is squeezed by external force to press the spring 14 when the optical filter 4 rotates, the limiting ball 11 retracts into the mounting groove 13, meanwhile, the next group of optical filters 4 also rotate, in the rotating process, as the position of the fixing shaft 5 is unchanged, the cleaning piece 10 can clean the surface of the next group of optical filters 4, the cleanliness of the optical filters 4 is ensured, the influence of dust attached to the optical filters 4 on the measuring effect is avoided, when the position of the next group of optical filters 4 corresponds to the position of the laser hole 2, the limiting ball 11 also corresponds to the position of the next group of limiting grooves 12, at the moment, under the reset action of the spring 14, the limiting ball 11 is clamped into the limiting grooves 12 again, thereby fix the position of mounting panel 3, guaranteed mounting panel 3's stability, can avoid light filter 4's wearing and tearing through protruding limit 8, the regular hexagon structure of graphite has higher stability, and the graphite atom of coplanar is extremely difficult to be destroyed, therefore graphite coating 7 can carry out fine protection to light filter 4, further prevents the light filter 4 fish tail, increases the transmissivity of light through setting up AF coating film 6, improves the luminance of formation of image.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an optical filter of laser rangefinder usefulness, is including installation shell (1), its characterized in that: mounting grooves (13) are respectively formed in two sides of the top of the mounting shell (1), a fixed shaft (5) and a laser hole (2) are arranged on the top of the mounting shell (1), a chute (15) is arranged around the inner wall of the mounting shell (1), the inner side of the chute (15) is connected with a mounting plate (3) through a rotating ring (9), the top end of the fixed shaft (5) extends to the top of the mounting plate (3) and is fixed with a cleaning piece (10), the bottom of the mounting plate (3) is provided with a limit groove (12), the lower part of the inner part of the mounting groove (13) is connected with a limit ball (11) extending to the inner part of the limit groove (12) through a spring (14), the top of the mounting plate (3) is respectively provided with an optical filter (4) and a raised edge (8), the top of the optical filter (4) is provided with an AF coating film (6), and the bottom of the optical filter (4) is provided with a graphite coating film (7).

2. The filter for laser ranging as defined in claim 1, wherein: the raised edge (8) is arranged at the top of the mounting plate (3) in a surrounding manner.

3. The filter for laser ranging as defined in claim 1, wherein: the outer surface of the mounting plate (3) is provided with anti-skid grains.

4. The filter for laser ranging as defined in claim 1, wherein: the optical filters (4) are arranged in four groups, and the four groups of optical filters (4) are distributed in a prismatic array shape.

5. The filter for laser ranging as defined in claim 1, wherein: the bottom of the cleaning piece (10) is provided with a superfine fiber layer, and the bottom of the cleaning piece (10) is in close contact with the graphite coating film (7).