CN215178150U

CN215178150U - Monochromator for visible spectrophotometer

Info

Publication number: CN215178150U
Application number: CN202121248865.1U
Authority: CN
Inventors: 王楠
Original assignee: Hebei Jiuxin Testing Technology Service Co ltd
Current assignee: Hebei Jiuxin Testing Technology Service Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2021-12-14
Anticipated expiration: 2031-06-05

Abstract

The utility model relates to the field of monochromators, in particular to a monochromator for a visible spectrophotometer, which comprises an instrument main body, symmetrical guide strips are fixedly connected along the two side edges of the lower end of the instrument main body, a protective plate is movably connected between the guide strips at the two sides, a limiting plate extending towards the front is fixedly connected on the upper end surface of the instrument main body, the front end of the limiting plate is connected with the upper end of the protective plate through a splicing structure, a sponge cushion is arranged on the rear end surface of the protective plate, connecting seats are fixedly connected on the front end surface of the protective plate near the two side edges, a plurality of rubber suckers are arranged on the front end surface of each connecting seat through a dismounting structure, a stabilizing strip is fixedly connected on the outer surface of one side of the two sides near the guide strips, and the lower end surface of the stabilizing strip is contacted with the upper end surface of the protective plate when the protective plate moves below the instrument main body, the utility model discloses play the effect of protection camera lens, it is comparatively stable when placing.

Description

Monochromator for visible spectrophotometer

Technical Field

The utility model relates to a monochromator field especially relates to a monochromator for visible spectrophotometer.

Background

A visible spectrophotometer is an analyzer for analyzing by absorbing the radiation of substance molecules in the ultraviolet and visible spectrum, and is composed of light source, monochromator, absorption pool, detector and signal processor.

Make the light of kicking into penetrate before the camera lens behind focusing mirror, grating cone pulley, the collimating mirror in the monochromator use, need regularly clean before the camera lens of penetrating light in the use to it receives the hindrance to avoid light to penetrate, and is very inconvenient, places when experimental on glossy experimental mesa, easily takes place sliding phenomenon, influences experimental precision.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a monochromator for visible spectrophotometer has the ability protection camera lens and places stable technological effect.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a monochromator for visible spectrophotometer, includes the instrument main part, follows the symmetrical conducting bar of lower extreme both sides border fixedly connected with of instrument main part, both sides swing joint has the protection shield between the conducting bar, the limiting plate of the up end fixedly connected with orientation the place ahead of instrument main part extension, be connected through mosaic structure between the front end of limiting plate and the upper end of protection shield, the rear end face of protection shield is provided with the sponge cushion, the preceding terminal surface of protection shield is close to both sides border fixedly connected with connecting seat, every the preceding terminal surface of connecting seat is ann through dismouting structure has a plurality of rubber suction cups, both sides one side surface difference fixedly connected with stabilizing strip that the conducting bar is close to mutually, stabilizing strip contacts with the protection shield up end under its terminal surface when the protection shield removes instrument main part below.

Preferably, the outer surface of one side of the guide strips at two sides, which is close to each other, is provided with a sliding groove, the sliding groove is positioned below the stabilizing strip, the lower end edge of the protective plate extends out of a connecting shaft towards two sides, and the connecting shaft is movably inserted into the inner side of the sliding groove.

Preferably, the splicing structure comprises a convex edge extending from the upper end edge of the protection plate and a concave folding edge extending from the front end edge of the limit plate, and the convex edge is movably clamped at the inner side of the concave folding edge.

Preferably, a connecting bolt penetrates through the upper end surface of the limiting plate and is arranged close to the front end edge, the lower end of the connecting bolt is inserted into the upper end edge of the protective plate, and the upper end edge and the lower end edge are in threaded fit.

Preferably, the dismounting structure comprises a mounting plate movably clamped on the front end face of the connecting seat, the front end face of the connecting seat extends out of an L-shaped clamping block at the position close to the edges of the upper end and the lower end, the L-shaped clamping block movably penetrates through the inner side of the mounting plate, and the rubber sucker is fixedly connected with the front end face of the mounting plate.

Preferably, every the quantity of the rubber suction cup that the preceding terminal surface of mounting panel set up is two, with the mode fixed connection of cementing between rubber suction cup and the mounting panel.

Preferably, the rear end face of the protection plate extends out of a sleeve frame with a rectangular frame shape, and the front end of the sponge cushion is movably clamped into the inner side of the sleeve frame.

Preferably, the protection plate is made of 304 stainless steel, and the stabilizing strip is made of magnetized ferromagnetic material.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. in the utility model, the lens of the main body of the instrument is prevented from falling dust due to the function of the protection plate, and the sponge cushion can be tightly attached to the lens to prevent the dust from falling, so that the protection plate is rotated towards the front lower part in the using process and then moved backwards into the lower part of the main body of the instrument, and the lens can be exposed, thereby achieving the effective dustproof effect and ensuring the effect of emitting light;

2. the utility model discloses in, use the connecting axle to rotate the protection shield, later with the protection shield to remove to the rear, synchronous connecting axle slides in the inboard of spout, and certain external force is applyed to the slip in-process and is prevented that the strip that stabilizes from adsorbing the protection shield, later presses whole instrument main part for adsorb after the rubber suction cup extrusion on experimental table surface can, the strip that stabilizes this moment adsorbs the protection shield and prevents to become flexible mutually, has effectively increased the stability that the instrument main part was placed, promotes experimental precision.

Drawings

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

FIG. 2 is an enlarged view of the point A in FIG. 1 according to the present invention;

fig. 3 is a sectional view of the protection plate of the present invention;

FIG. 4 is an enlarged view of the point B in FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a partial structure of the present invention;

fig. 6 is an enlarged view of the point C in fig. 5 according to the present invention.

Wherein: 1. an instrument body; 2. conducting bars; 3. a chute; 4. a protection plate; 5. stabilizing the strips; 6. a limiting plate; 7. a connecting bolt; 8. a connecting shaft; 9. a projecting edge; 10. folding the edge of the concave shape; 11. a sponge cushion; 12. sleeving a frame; 13. a connecting seat; 14. mounting a plate; 15. an L-shaped fixture block; 16. a rubber sucker.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 and fig. 6, the utility model provides a monochromator for visible spectrophotometer, including instrument main part 1, instrument main part 1 is monochromator promptly, for prior art, no too much repeated description, along the symmetrical conducting bar 2 of lower extreme both sides border fixedly connected with of instrument main part 1, swing joint has protection shield 4 between the conducting bar 2 of both sides, the limiting plate 6 of upper end fixedly connected with orientation the place ahead extension of instrument main part 1, be connected through mosaic structure between the front end of limiting plate 6 and the upper end of protection shield 4, the rear end face of protection shield 4 is provided with sponge cushion 11, the preceding terminal surface of protection shield 4 is close to both sides border fixedly connected with connecting seat 13, the preceding terminal surface of every connecting seat 13 is having a plurality of rubber suction cups 16 through dismouting structure ann, one side surface difference fixedly connected with of both sides conducting bar 2 being close to mutually stabilizes strip 5, stabilize strip 5 when protection shield 4 removes instrument main part 1 below its lower terminal surface and 4 upper end meet Contacting;

the protection shield 4 and the sponge cushion 11 play a role in protecting the lens on the instrument main body 1, the lens is located on the front end face of the instrument main body 1 as shown in fig. 3, the stabilizing strip 5 is lifted to the stability between the protection shield 4 and the instrument main body 1 in the placing process, and the loosening phenomenon is prevented.

As shown in fig. 5-6, the outer surface of one side of the guide bars 2 on both sides, which is close to each other, is provided with a sliding groove 3, the sliding groove 3 is located below the stabilizing bar 5, the lower end edge of the protecting plate 4 extends out of a connecting shaft 8 towards both sides, and the connecting shaft 8 is movably inserted into the inner side of the sliding groove 3;

ensures that the protection plate 4 can rotate relative to the chute 3 and can also slide in the front-back direction relative to the chute 3.

As shown in fig. 3-4, the splicing structure includes a protruding edge 9 extending from the upper edge of the protection plate 4, and a concave folding edge 10 extending from the front edge of the limiting plate 6, wherein the protruding edge 9 is movably clamped inside the concave folding edge 10;

the position of the protection plate 4 is stabilized in a clamping mode, so that the subsequent protection plate 4 can be conveniently turned down and only external force is applied.

As shown in fig. 4, a connecting bolt 7 penetrates through the upper end surface of the limiting plate 6 near the front end edge, and the lower end of the connecting bolt 7 is inserted into the upper end edge of the protecting plate 4 and is in threaded fit with the upper end edge;

after the connecting bolt 7 is added, the stability of the protective plate 4 is further improved, and the limiting can be released after the connecting bolt 7 is screwed down, so that the use is convenient.

As shown in fig. 2, the dismounting structure includes a mounting plate 14 movably clamped on the front end surface of the connecting base 13, an L-shaped clamping block 15 extends from the front end surface of the connecting base 13 near the upper and lower edges, the L-shaped clamping block 15 movably penetrates through the inner side of the mounting plate 14, and a rubber suction cup 16 is fixedly connected with the front end surface of the mounting plate 14;

after the L-shaped fixture block 15 is broken off by applying an external force, the mounting plate 14 can be taken down, so that the mounting plate 14 can be conveniently detached, and the structure of the mounting plate can be directly detached when the mounting plate is not used.

The number of the rubber suction cups 16 arranged on the front end face of each mounting plate 14 is two, and the rubber suction cups 16 are fixedly connected with the mounting plates 14 in a gluing mode;

the stability of the rubber suction cups 16 is ensured, and two rubber suction cups 16 are arranged on each mounting plate 14 to increase the stability of the rubber suction cups adsorbed on the test table.

As shown in fig. 4, a sleeve frame 12 with a rectangular frame shape extends from the rear end surface of the protection plate 4, and the front end of the sponge cushion 11 is movably clamped inside the sleeve frame 12;

the sponge cushion 11 can be taken down after being pulled, and the replacement and the cleaning are convenient.

The protective plate 4 is made of 304 stainless steel, and the stabilizing strip 5 is made of magnetized ferromagnetic material;

by magnetic attraction, the protection board 4 is more stable after moving to the lower part of the instrument main body 1.

Due to the function of the protective plate 4, dust is prevented from falling on a lens of the main body 1 emitting light, the sponge cushion 11 can be attached to the lens to prevent the dust from falling, the protective plate 4 rotates forwards and downwards in the using process and then moves backwards and is accommodated below the main body 1, and the lens can be exposed, so that the effective dustproof effect is achieved, and the light emitting effect is ensured; use connecting axle 8 to rotate as the axle with protection shield 4, later with protection shield 4 remove to the rear, synchronous connecting axle 8 slides in the inboard of spout 3, apply certain external force in the slip process and prevent that stable strip 5 from adsorbing protection shield 4, later press whole instrument main part 1 for 16 extrusion backs of rubber suction cups adsorb on test table face can, stable strip 5 adsorbs protection shield 4 and prevents to become flexible mutually this moment, the stability that instrument main part 1 placed has effectively been increased, promote experimental precision.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A monochromator for a visible spectrophotometer comprising an instrument body (1), characterized in that: symmetrical guide strips (2) are fixedly connected along the two side edges of the lower end of the instrument main body (1), a protective plate (4) is movably connected between the guide strips (2) at the two sides, a limiting plate (6) extending towards the front is fixedly connected with the upper end surface of the instrument main body (1), the front end of the limit plate (6) is connected with the upper end of the protection plate (4) through a splicing structure, the rear end face of the protection plate (4) is provided with a sponge cushion (11), the front end face of the protection plate (4) is fixedly connected with connecting seats (13) close to the edges of the two sides, the front end face of each connecting seat (13) is provided with a plurality of rubber suckers (16) through a dismounting structure, the outer surface of one side, close to the guide strips (2) on the two sides, is fixedly connected with a stabilizing strip (5) respectively, and the lower end face of the stabilizing strip (5) is contacted with the upper end face of the protection plate (4) when the protection plate (4) moves to the lower part of the instrument main body (1).

2. A monochromator for a visible spectrophotometer according to claim 1 wherein: the outer surface of one side, close to each other, of the guide strips (2) on the two sides is provided with a sliding groove (3), the sliding grooves (3) are located below the stabilizing strips (5), connecting shafts (8) extend towards the directions of the two sides from the lower end edges of the protecting plates (4), and the connecting shafts (8) are movably inserted into the inner sides of the sliding grooves (3).

3. A monochromator for a visible spectrophotometer according to claim 1 wherein: the splicing structure comprises a convex edge (9) extending from the upper end edge of the protection plate (4) and a concave folding edge (10) extending from the front end edge of the limit plate (6), wherein the convex edge (9) is movably clamped on the inner side of the concave folding edge (10).

4. A monochromator for a visible spectrophotometer according to claim 3 wherein: the upper end face of the limiting plate (6) is provided with a connecting bolt (7) in a penetrating mode close to the front end edge, the lower end of the connecting bolt (7) is inserted into the upper end edge of the protecting plate (4), and the upper end edge and the protecting plate are in threaded fit.

5. A monochromator for a visible spectrophotometer according to claim 1 wherein: the dismounting structure comprises a mounting plate (14) movably clamped on the front end face of the connecting seat (13), an L-shaped clamping block (15) extends from the front end face of the connecting seat (13) close to the edges of the upper end and the lower end, the L-shaped clamping block (15) movably penetrates through the inner side of the mounting plate (14), and the rubber sucker (16) is fixedly connected with the front end face of the mounting plate (14).

6. A monochromator for a visible spectrophotometer according to claim 5 wherein: every the quantity of the rubber suction cups (16) that the preceding terminal surface of mounting panel (14) set up is two, with the mode fixed connection of cementing between rubber suction cups (16) and mounting panel (14).

7. A monochromator for a visible spectrophotometer according to claim 1 wherein: the rear end face of the protection plate (4) extends out of a sleeve frame (12) which is rectangular frame-shaped in appearance, and the front end of the sponge cushion (11) is movably clamped into the inner side of the sleeve frame (12).

8. A monochromator for a visible spectrophotometer according to claim 1 wherein: the protective plate (4) is made of 304 stainless steel, and the stabilizing strip (5) is made of magnetized ferromagnetic material.