CN219084745U

CN219084745U - Ultraviolet visible light spectrophotometer

Info

Publication number: CN219084745U
Application number: CN202222866121.7U
Authority: CN
Inventors: 包仁光; 包刚君; 郁志根
Original assignee: Shaoxing Enxue Instrument Co ltd
Current assignee: Shaoxing Enxue Instrument Co ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-05-26
Anticipated expiration: 2032-10-29

Abstract

The utility model relates to the technical field of electronic instruments, in particular to an ultraviolet-visible light spectrophotometer, which comprises a photometer shell, wherein a sample chamber is arranged on the photometer shell, a cover plate is arranged on the sample chamber, and the ultraviolet-visible light spectrophotometer comprises: a manipulation assembly for manipulating the control photometer; the connecting assembly is used for connecting the photometer shell and the cover plate, and a rotating block in the connecting assembly drives the cover plate to rotate on the photometer shell; the fixing component is used for stabilizing the cover plate lifted from the sample chamber, and a first connecting column in the fixing component is stably connected with the placing bin in the fixing component through the embedded element. According to the utility model, by arranging the fixing component, the situation that the cover plate is suddenly closed or rocked due to the fact that a worker carelessly touches the cover plate when operating the photometer is avoided, and the operation of the worker is not easily affected by the fixed cover plate.

Description

Ultraviolet visible light spectrophotometer

Technical Field

The utility model relates to the technical field of electronic instruments, in particular to an ultraviolet-visible light spectrophotometer.

Background

The ultraviolet-visible light spectrophotometer is composed of a light source, a monochromator, an absorption cell, a detector, a signal processor and other components, wherein the light source is used for providing a stable continuous spectrum with enough intensity, a hydrogen lamp or a deuterium lamp is usually used in an ultraviolet light region, a tungsten lamp or a halogen tungsten lamp is usually used in a visible light region, the monochromator is used for decomposing composite light emitted by the light source and separating monochromatic light with required wavelength from the composite light, a dispersion element is provided with a prism and a grating, a glass absorption cell is used for measuring in the visible light region, a quartz absorption cell is used for measuring in the ultraviolet light region, the detector is used for detecting the intensity of transmitted light through a photoelectric conversion element and converting a light signal into an electric signal, the common photoelectric conversion element comprises a photoelectric tube, a photomultiplier and a light diode array detector, and the classification methods of the spectrophotometer are as follows: the system can be divided into a single-beam spectrophotometer and a double-beam spectrophotometer according to an optical path system; the measuring mode can be divided into a single-wavelength spectrophotometer and a dual-wavelength spectrophotometer; the detection mode according to the drawn spectrogram is divided into light-splitting scanning detection and diode array full-spectrum detection. In the prior art, after the cover plate above the photometer sample chamber is opened, the staff still operates the photometer instrument, and sometimes the cover plate is carelessly touched to enable the cover plate to fall on the sample chamber or shake, so that the follow-up operation of the staff is influenced. In view of this, we propose an ultraviolet-visible spectrophotometer.

Disclosure of Invention

In order to overcome the defects, the utility model provides an ultraviolet-visible light spectrophotometer.

The technical scheme of the utility model is as follows:

the ultraviolet-visible light spectrophotometer comprises a photometer shell, a sample chamber is arranged on the photometer shell, a cover plate is arranged on the sample chamber, and the ultraviolet-visible light spectrophotometer comprises:

the control assembly is used for operating and controlling the photometer, and control keys, a display screen and an operation table in the control assembly are positioned on the photometer shell;

the connecting assembly is used for connecting the photometer shell and the cover plate, and a rotating block in the connecting assembly drives the cover plate to rotate on the photometer shell;

the fixing component is used for stabilizing the cover plate lifted from the sample chamber, and a first connecting column in the fixing component is stably connected with the placing bin in the fixing component through the embedded element.

Preferably, the control assembly further comprises a sample rack pull rod, and the operating platform is provided with a wavelength adjusting knob and an observation port.

Preferably, the connecting assembly comprises a third connecting column, and a round hole is formed in the rotating block to enable the third connecting column to pass through the round hole.

Preferably, the fixing component comprises a second connecting column and convex teeth positioned around the bottom of the second connecting column.

Preferably, the fixing assembly further comprises a first embedded plate and a second embedded plate, the first embedded plate is located below the second embedded plate, and a placing groove is formed in the placing bin and used for placing the first embedded plate and the second embedded plate.

Preferably, a round hole is formed in the center of the first embedded plate, the diameter of the round hole is the same as that of the second connecting column, a convex tooth hole with the same size as that of the convex tooth is formed in the periphery of the round hole, and the convex tooth can penetrate through the convex tooth hole.

Preferably, the center of the second jogged plate is provided with a circular groove, the diameter of the circular groove is the same as the diameter of the second connecting column, the periphery of the circular groove is provided with a convex tooth groove with the same size as the convex tooth, and the bottom of the circular groove and the bottom of the convex tooth groove are in a closed state.

Preferably, a pushing handle is arranged on one side of the second jogging plate, and the pushing handle penetrates through the through hole on the placing bin and moves in the through hole to drive the second jogging plate to slightly rotate so as to change the relative position of the convex tooth hole and the convex tooth.

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

according to the utility model, the fixing component is arranged, after the second embedded plate is rotated, the second embedded plate blocks the convex teeth from translating upwards, at the moment, the bottom of the first connecting column connected to the cover plate is just contacted with the top of the placing bin and firmly attached, so that shaking cannot occur, the situation that the cover plate is suddenly closed or shakes due to the fact that a worker carelessly touches the cover plate during operation of the photometer is avoided, and the operation of the worker is not easily affected by the fixed cover plate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a portion of the structure of the present utility model;

fig. 3 is an exploded view of the fastening assembly of the present utility model.

In the figure: 1. a photometer housing; 2. a control key; 3. a display screen; 4. a wavelength adjustment knob; 5. an observation port; 6. an operation table; 7. a sample chamber; 8. a cover plate; 9. a fixing assembly; 91. placing a bin; 92. a through hole; 93. a first embedded plate; 94. pushing hands; 95. a second embedded plate; 96. a first connection post; 97. a second connection post; 98. convex teeth; 10. a third connecting column; 11. a rotating block; 12. a sample holder pull rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 apparatus 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.

Referring to fig. 1-3, the present utility model is described in detail by the following embodiments:

the ultraviolet visible light spectrophotometer includes photometer casing 1, is equipped with sample cell 7 on the photometer casing 1, is equipped with apron 8 on the sample cell 7, includes:

the control assembly is used for operating and controlling the photometer, a control key 2, a display screen 3 and an operation table 6 in the control assembly are positioned on the photometer shell 1, the operation table 6 is fixedly connected to the upper end of the photometer shell 1, the control key 2 and the display screen 3 are fixedly connected to one side of the photometer shell 1, the control assembly further comprises a sample frame pull rod 12, and a wavelength adjusting knob 4 and an observation port 5 are arranged on the operation table 6;

the connecting component is used for connecting the photometer shell 1 with the cover plate 8, a rotating block 11 in the connecting component drives the cover plate 8 to rotate on the photometer shell 1, the connecting component comprises a third connecting column 10, and a round hole is formed in the rotating block 11 so that the third connecting column 10 can pass through the round hole. The third connecting column 10 is fixedly connected with the photometer housing 1, and the rotating block 11 is fixedly connected with the cover plate 8;

the fixed component 9, fixed component 9 is used for stabilizing the apron 8 that lifts from sample room 7, place storehouse 91 stable connection in fixed component 9 through the gomphosis component with fixed component 9, the gomphosis component is first gomphosis board 93, second gomphosis board 95 and dogtooth 98, avoid apron 8 landing to sample room 7 top when the staff operates, fixed component 9 is in the position between photometer casing 1 and the apron 8, first spliced pole 96 in the fixed component 9 and apron 8 fixed connection, place storehouse 91 and photometer casing 1 fixed connection in the fixed component 9. The fixing assembly 9 includes a second connecting post 97 and teeth 98 located around the bottom of the second connecting post 97. The second connecting post 97 is located at the lower end of the first connecting post 96 and fixedly connected to the central position of the lower end, and the convex tooth 98 is fixedly connected to the lower end of the second connecting post 97. The fixing assembly 9 further comprises a first embedded plate 93 and a second embedded plate 95, the first embedded plate 93 is located below the second embedded plate 95, and a placing groove is formed in the placing bin 91 and used for placing the first embedded plate 93 and the second embedded plate 95. The first embedded plate 93 central point puts and is equipped with the round hole, and the round hole diameter is the same with second spliced pole 97 diameter size, and the round hole is equipped with the dogtooth hole of the same size with dogtooth 98 all around, and dogtooth 98 can pass the dogtooth hole. The second embedded plate 95 is provided with a circular groove at the center, the diameter of the circular groove is the same as that of the second connecting column 97, convex tooth grooves with the same size as the convex teeth 98 are arranged around the circular groove, and the bottom of the circular groove and the bottom of the convex tooth grooves are in a closed state. The top of the first engagement plate 93 is in contact with the bottom of the second engagement plate 95. The second embedding board 95 is provided with a push handle 94 on one side, the push handle 94 is fixedly connected with the second embedding board 95, the push handle 94 penetrates through the through hole 92 on the placing bin 91 and moves in the through hole 92, and the second embedding board 95 is driven to slightly rotate so as to change the relative positions of the convex tooth holes and the convex teeth 98.

When the photometer is used, the sample holder pull rod 12 is installed after the photometer is placed, the power supply is connected for preheating, the wavelength adjusting knob 4 is rotated, the displayed wavelength is observed through the observation port 5, the required test wavelength is adjusted, the control key 2 is pressed, then a sample is placed into the sample chamber 7, the cover plate 8 is closed, and the test is performed.

When a sample is placed in the sample chamber 7, the cover plate 8 is in an opened state, after the cover plate 8 is opened, the bottom of the cover plate 8 is positioned above the top of the photometer housing 1, the convex tooth hole on the second embedding plate 95 is positioned right below the convex tooth 98 at the beginning, the convex tooth 98 and the second connecting column 97 pass through the convex tooth hole, namely, the convex tooth 98 and the second connecting column 97 pass through the center position of the second embedding plate 95, then the convex tooth 98 and the second connecting column 97 enter into the convex tooth groove and the circular groove on the first embedding plate 93 again, and the convex tooth 98 and the second connecting column 97 can stay on the first embedding plate 93 due to the closed state of the bottoms in the convex tooth groove and the circular groove, and at the moment, the bottom of the first connecting column 96 connected on the cover plate 8 is just contacted with the top of the placing bin 91.

Because the push handle 94 passes through the through hole 92 and is connected with the second embedded plate 95, when the horizontal position of the push handle 94 is moved, the second embedded plate 95 can slightly rotate in the horizontal direction, and the convex tooth holes on the second embedded plate 95 rotate to positions which are not opposite to the convex teeth 98, namely, offset exists in a certain position, so that the convex teeth 98 are positioned below the second embedded plate 95 but cannot move upwards through the second embedded plate 95, the convex teeth 98 are clamped between the first embedded plate 93 and the second embedded plate 95, and the second embedded plate 95 blocks the convex teeth 98 from translating upwards, so that the cover plate 8 cannot shake after being opened. The condition that the cover plate 8 is suddenly closed or shakes due to the fact that a worker carelessly touches the cover plate 8 in the operation photometer is avoided, and the fixed cover plate 8 is not easy to influence the operation of the worker.

If the cover plate 8 is desired to be closed, the pushing handle 94 is pushed again to make the tooth holes face the teeth 98, the teeth 98 are moved out from the upper portion of the second engaging plate 95, the first connecting column 96, the second connecting column 97 and the teeth 98 are moved out of the placing bin 91, and the cover plate 8 can be closed.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Ultraviolet visible light spectrophotometer, including photometer casing (1), be equipped with sample room (7) on photometer casing (1), be equipped with apron (8) on sample room (7), its characterized in that includes:

the control assembly is used for operating and controlling the photometer, and a control key (2), a display screen (3) and an operation table (6) in the control assembly are positioned on the photometer shell (1);

the connecting component is used for connecting the photometer shell (1) and the cover plate (8), and a rotating block (11) in the connecting component drives the cover plate (8) to rotate on the photometer shell (1);

the fixing assembly (9), the fixing assembly (9) is used for stabilizing the cover plate (8) lifted from the sample chamber (7), and a first connecting column (96) in the fixing assembly (9) is stably connected with a placing bin (91) in the fixing assembly (9) through a jogging element.

2. The ultraviolet-visible spectrophotometer of claim 1, wherein: the control assembly further comprises a sample frame pull rod (12), and the operating platform (6) is provided with a wavelength adjusting knob (4) and an observation port (5).

3. The ultraviolet-visible spectrophotometer of claim 1, wherein: the connecting assembly comprises a third connecting column (10), and a round hole is formed in the rotating block (11) so that the third connecting column (10) passes through the round hole.

4. The ultraviolet-visible spectrophotometer of claim 1, wherein: the fixing assembly (9) comprises a second connecting column (97) and convex teeth (98) which are positioned on the periphery of the bottom of the second connecting column (97).

5. The ultraviolet-visible spectrophotometer of claim 4, wherein: the fixing assembly (9) further comprises a first embedded plate (93) and a second embedded plate (95), the first embedded plate (93) is located below the second embedded plate (95), and a placing groove is formed in the placing bin (91) and used for placing the first embedded plate (93) and the second embedded plate (95).

6. The ultraviolet-visible spectrophotometer of claim 5, wherein: the first embedded plate (93) is provided with a round hole at the center, the diameter of the round hole is equal to the diameter of the second connecting column (97), the periphery of the round hole is provided with a convex tooth hole with the same size as the convex tooth (98), and the convex tooth (98) can penetrate through the convex tooth hole.

7. The ultraviolet-visible spectrophotometer of claim 5, wherein: the second embedded plate (95) is provided with a circular groove in the center, the diameter of the circular groove is the same as that of the second connecting column (97), the periphery of the circular groove is provided with a convex tooth groove with the same size as that of the convex tooth (98), and the bottom of the circular groove and the bottom of the convex tooth groove are in a closed state.

8. The ultraviolet-visible spectrophotometer of claim 7, wherein: one side of the second embedded plate (95) is provided with a pushing handle (94), and the pushing handle (94) penetrates through a through hole (92) in the placing bin (91) and moves in the through hole (92) to drive the second embedded plate (95) to slightly rotate so as to change the relative position of the convex tooth hole and the convex tooth (98).