CN217654986U

CN217654986U - Driving device of dual-beam spectrophotometer

Info

Publication number: CN217654986U
Application number: CN202221422075.5U
Authority: CN
Inventors: 李成; 何本进; 阮姚锋
Original assignee: Wuhan Liangpu Precision Instrument Co ltd
Current assignee: Wuhan Liangpu Precision Instrument Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-25
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a double-beam spectrophotometer driving device, relating to the technical field of photometers, comprising a photometer main body and a driving mechanism, wherein one side of the photometer main body is fixedly connected with a mounting plate through a positioning pin, the other side of the mounting plate is fixedly provided with a lantern ring, and one side of the lantern ring, which is far away from the mounting plate, is provided with a placing groove; the driving mechanism comprises a sliding rod, a fastening screw rod, a movable rod and a lifting assembly arranged in the movable rod, and one side of the sliding rod is provided with a circular groove matched with the lantern ring. The utility model discloses in, through the actuating mechanism who sets up, twist the fastening screw to the outside for the one end of fastening screw separates with the lateral wall of standing groove, and the lantern ring is at the circular slot internalization, prevents that the photometer main part from dropping, rotates the photometer main part, makes to reach suitable angle, twists the fastening screw inwards, and fastening screw contacts with the standing groove lateral wall, and the photometer main part is fixed.

Description

Driving device of dual-beam spectrophotometer

Technical Field

The utility model relates to a photometer technical field, in particular to double-beam spectrophotometer drive arrangement.

Background

The photometer is an instrument for measuring various photometric quantities, and includes a dual beam spectrophotometer that analyzes a sample in such a manner that one of two beams passes through the sample and the other passes through a reference solution, which can overcome instability of a light source, and can detect changes in the sample over time, etc.

When the double-beam spectrophotometer on the market is used, diffused light in the surrounding environment influences the double-beam spectrophotometer, so that measurement errors of the double-beam spectrophotometer are caused.

In the conventional double-beam spectrophotometer, diffused light influences the measurement result of the double-beam spectrophotometer, but the inclination angle and the height of the double-beam spectrophotometer are difficult to adjust, and the directivity of the double-beam spectrophotometer cannot be improved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a double beam spectrophotometer drive arrangement, can effectively solve the current double beam spectrophotometer diffuse light that proposes in the background art and produce the influence to double beam spectrophotometer's measuring result, the inclination that has double beam spectrophotometer and highly be difficult to adjust, can't improve the directive problem of double beam spectrophotometer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a dual-beam spectrophotometer driving device comprises a spectrophotometer main body and a driving mechanism, wherein one side of the spectrophotometer main body is fixedly connected with a mounting plate through a positioning pin, the other side of the mounting plate is fixedly provided with a lantern ring, and a placing groove is formed in one side, away from the mounting plate, of the lantern ring;

actuating mechanism includes slide bar, fastening screw, movable rod and sets up the lifting unit in the movable rod, the circular slot with lantern ring looks adaptation is seted up to one side of slide bar, the lantern ring activity sets up in the circular slot, fastening screw's one end runs through the slide bar, and the activity sets up in the standing groove, the spout has been seted up at the top of movable rod, the movable groove has been seted up to the diapire of spout, lifting unit locates the outside thread bush of lead screw and fixes the ejector pin that sets up in the thread bush top including fixed the micro motor who sets up in the movable groove diapire, fixed lead screw, the movable sleeve that sets up in the micro motor output, the thread bush activity sets up in the movable groove, the bottom activity of slide bar sets up in the spout, the top of ejector pin is fixed to be set up in the bottom of slide bar.

Preferably, the driving mechanism further comprises a sliding block, the sliding block is fixedly arranged at the bottom of the movable rod, and the sliding block is arranged in an inverted T shape. The sliding block is arranged to be T-shaped, so that the movable rod is prevented from collapsing in the moving process.

Preferably, the below of movable rod is provided with the mounting bracket, the spread groove has been seted up at the mounting bracket top, the spacing groove has all been seted up to the both sides wall of spread groove. The movable rod drives actuating mechanism and photometer main part to move in the spread groove, is convenient for change the position of photometer main part.

Preferably, the movable rod is movably arranged at the top of the mounting frame, the sliding block is movably arranged in the connecting groove, and two ends of the sliding block are movably arranged in the two sets of limiting grooves respectively.

Preferably, a pull rod is fixedly arranged on one side of the sliding block, and the other end of the pull rod penetrates through the mounting frame.

Preferably, one side of the mounting rack is provided with a limiting plate, one end of the limiting plate penetrates through the mounting rack, and the limiting plate is movably arranged in the limiting groove. The limiting plate is drawn out, the driving mechanism is installed in the installation frame, the installation frame is fixed, and the stability of the photometer body during angle adjustment is improved.

Preferably, the driving mechanisms are arranged in two groups, the two groups of driving mechanisms are symmetrically distributed on the whole body of the central axis of the main body of the photometer, and the thread sleeves are arranged in a rectangular shape. The thread sleeve is arranged to be cuboid, the lead screw is convenient to prevent from rotating, the thread sleeve is driven to rotate, the thread sleeve is enabled to translate up and down, and therefore the height of the photometer main body is adjusted.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the actuating mechanism who sets up, the fastening screw is twisted to the outside, make fastening screw's one end and the lateral wall separation of standing groove, the lantern ring is at the circular slot internalization, prevent that the photometer main part from dropping, rotate the photometer main part, make and arrive suitable angle, inwards twist fastening screw, fastening screw and standing groove lateral wall contact, the photometer main part is fixed, micro motor works, it rotates to drive the lead screw, drive thread bush translation from top to bottom, drive ejector pin and slide bar translation from top to bottom, thereby adjust the height of photometer main part, make the photometer main part be in the environment that does not have diffuse light interference, improve the directive property of photometer main part.

Drawings

Fig. 1 is a perspective view of a driving device of a dual-beam spectrophotometer according to the present invention;

fig. 2 is a schematic view of a photometer body in a dual beam spectrophotometer driving apparatus of the present invention;

fig. 3 is a schematic view of the inside of a slide rod in a driving device of a dual-beam spectrophotometer according to the present invention;

fig. 4 is a schematic diagram of a limiting plate in a driving device of a dual-beam spectrophotometer according to the present invention;

fig. 5 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a photometer body; 2. mounting a plate; 3. a collar; 4. a placement groove; 5. fastening a screw rod; 6. a slide bar; 7. a movable rod; 8. a micro motor; 9. a screw rod; 10. a threaded sleeve; 11. a top rod; 12. a movable groove; 13. a limiting groove; 14. a pull rod; 15. a limiting plate; 16. a slider; 17. and (7) mounting a frame.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

Referring to fig. 1-5, the utility model relates to a double-beam spectrophotometer driving device, which comprises a spectrophotometer main body 1 and a driving mechanism, wherein one side of the spectrophotometer main body 1 is fixedly connected with a mounting plate 2 through a positioning pin, the other side of the mounting plate 2 is fixedly provided with a lantern ring 3, and one side of the lantern ring 3 away from the mounting plate 2 is provided with a placing groove 4;

actuating mechanism includes slide bar 6, fastening screw 5, movable rod 7 and set up the lifting unit in movable rod 7, the circular slot with 3 looks adaptations of the lantern ring is seted up to one side of

slide bar

6, 3 activities of the lantern ring set up in the circular slot, fastening screw 5's one end runs through slide bar 6, and the activity sets up in standing groove 4, the spout has been seted up at the top of movable rod 7, movable groove 12 has been seted up to the diapire of spout, lifting unit is including fixed the micro motor 8 that sets up in movable groove 12 diapire, fixed lead screw 9 that sets up in the 8 output of micro motor, the thread bush 10 that lead screw 9 outside was located to the movable sleeve and the fixed ejector pin 11 that sets up in thread bush 10 top, thread bush 10 activity sets up in movable groove 12, the bottom activity of slide bar 6 sets up in the spout, the fixed bottom that sets up in slide bar 6 in the top of ejector pin 11.

The driving mechanism further comprises a sliding block 16, the sliding block 16 is fixedly arranged at the bottom of the movable rod 7, and the sliding block 16 is of an inverted T shape. The slide block 16 is arranged to be T-shaped, so that the movable rod 7 is prevented from collapsing in the moving process.

The below of movable rod 7 is provided with mounting bracket 17, and the spread groove has been seted up at mounting bracket 17 top, and spacing groove 13 has all been seted up to the both sides wall of spread groove. The movable rod 7 drives the driving mechanism and the photometer main body 1 to move in the connecting groove, so that the position of the photometer main body 1 is convenient to change.

The movable rod 7 is movably arranged at the top of the mounting frame 17, the sliding block 16 is movably arranged in the connecting groove, and two ends of the sliding block 16 are respectively movably arranged in the two groups of limiting grooves 13.

A pull rod 14 is fixedly arranged on one side of the sliding block 16, and the other end of the pull rod 14 penetrates through the mounting frame 17.

One side of mounting bracket 17 is provided with limiting plate 15, and mounting bracket 17 is run through to the one end of limiting plate 15, and the activity sets up in spacing groove 13. The limiting plate 15 is drawn out, the driving mechanism is installed in the installation frame 17, the installation frame 17 is fixed, and the stability of the photometer body 1 during angle adjustment is improved.

The two groups of driving mechanisms are arranged, the two groups of driving mechanisms are integrally and symmetrically distributed about the central axis of the photometer main body 1, and the threaded sleeve 10 is in a cuboid shape. The thread bush 10 is set to be in a cuboid shape, so that the lead screw 9 is prevented from rotating, the thread bush 10 is driven to rotate, the thread bush 10 is enabled to translate up and down, and the height of the photometer main body 1 is adjusted.

The utility model discloses the theory of operation:

draw out limiting plate 15, install actuating mechanism in mounting bracket 17, fix mounting bracket 17, pulling pull rod 14, make movable rod 7 drive actuating mechanism and photometer main part 1 remove in the spread groove, fastening screw 5 is twisted to the outside, make fastening screw 5's one end and standing groove 4's lateral wall separation, lantern ring 3 is at the circular slot internalization, prevent photometer main part 1 from dropping, rotate photometer main part 1, make and arrive suitable angle, inwardly twist fastening screw 5, fastening screw 5 and standing groove 4 lateral wall contact, photometer main part 1 is fixed, micro motor 8 works, it rotates to drive lead screw 9, drive thread bush 10 up-and-down translation, drive ejector pin 11 and slide bar 6 up-and-down translation, thereby adjust photometer main part 1's height, make photometer main part 1 be in the environment that does not have diffuse light interference, improve photometer main part 1's directive property.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The double-beam spectrophotometer driving device is characterized by comprising a spectrophotometer main body (1) and a driving mechanism, wherein one side of the spectrophotometer main body (1) is fixedly connected with a mounting plate (2) through a positioning pin, the other side of the mounting plate (2) is fixedly provided with a lantern ring (3), and one side, far away from the mounting plate (2), of the lantern ring (3) is provided with a placing groove (4);

actuating mechanism includes slide bar (6), fastening screw (5), movable rod (7) and sets up the lifting unit in movable rod (7), the round slot with lantern ring (3) looks adaptation is seted up to one side of slide bar (6), lantern ring (3) activity sets up in the round slot, slide bar (6) are run through to the one end of fastening screw (5), and the activity sets up in standing groove (4), the spout has been seted up at the top of movable rod (7), movable groove (12) have been seted up to the diapire of spout, lifting unit is including fixed micro motor (8) that set up in movable groove (12) diapire, fixed lead screw (9), the movable sleeve that set up in lead screw (9) output end locate lead screw (9) outside thread bush (10) and fixed ejector pin (11) that set up in thread bush (10) top, thread bush (10) activity sets up in movable groove (12), the bottom activity of slide bar (6) sets up in the spout, the top of ejector pin (11) is fixed to be set up in the bottom of slide bar (6).

2. The dual-beam spectrophotometer driving apparatus according to claim 1, wherein: the driving mechanism further comprises a sliding block (16), the sliding block (16) is fixedly arranged at the bottom of the movable rod (7), and the sliding block (16) is arranged in an inverted T shape.

3. The dual-beam spectrophotometer driving apparatus according to claim 2, wherein: the below of movable rod (7) is provided with mounting bracket (17), the spread groove has been seted up at mounting bracket (17) top, spacing groove (13) have all been seted up to the both sides wall of spread groove.

4. The dual-beam spectrophotometer driving apparatus according to claim 3, wherein: the movable rod (7) is movably arranged at the top of the mounting frame (17), the sliding block (16) is movably arranged in the connecting groove, and two ends of the sliding block (16) are movably arranged in the two groups of limiting grooves (13) respectively.

5. The dual-beam spectrophotometer driving apparatus according to claim 4, wherein: a pull rod (14) is fixedly arranged on one side of the sliding block (16), and the other end of the pull rod (14) penetrates through the mounting frame (17).

6. A dual-beam spectrophotometer driving apparatus according to claim 5, wherein: one side of the mounting rack (17) is provided with a limiting plate (15), one end of the limiting plate (15) penetrates through the mounting rack (17), and the limiting plate is movably arranged in the limiting groove (13).

7. The dual-beam spectrophotometer driving apparatus according to claim 1, wherein: the driving mechanisms are arranged in two groups, the driving mechanisms are integrally and symmetrically distributed about a central axis of the photometer main body (1), and the thread sleeve (10) is in a cuboid shape.