CN211206381U - A rotating device for a liquid chromatograph special for detection - Google Patents

Abstract

The utility model discloses a rotating device for a detection-specific liquid chromatograph, which comprises a liquid chromatograph and a support box. A placement groove is arranged on the top of the support box, a placement plate is arranged in the placement slot, and a liquid is arranged on the top of the placement plate. For the phase chromatograph, one end of the telescopic tube is connected to the middle position of the bottom of the placing plate, and the other end of the telescopic tube passing through the bottom of the placing groove is rotated and connected to a first bevel gear, the first bevel gear is meshed and connected to a second bevel gear, and the second bevel gear is connected to the second bevel gear. The gear is rotatably connected with a first rotating shaft, and one end of the first rotating shaft is arranged through the side plate of the support box; the four corners of the bottom of the placement slot are provided with through holes, and each through hole is slidably connected with a rack, and each tooth One side of the strip is meshed with gears, and the gears are rotated and connected with a second rotating shaft. By placing the liquid chromatograph on the placing plate, the meshing connection of the first bevel gear and the second bevel gear drives the telescopic tube to rotate, and the placing plate and the liquid chromatograph on top of it to rotate.

Description

A rotating device for a liquid chromatograph special for detection

technical field

The utility model relates to the field of auxiliary devices for liquid chromatographs, in particular to a rotating device for detection-specific liquid chromatographs.

Background technique

The liquid chromatograph is an instrument and equipment that applies the principle of high performance liquid chromatography and is mainly used to analyze the organic compounds with high boiling point, non-volatile, thermally unstable and large molecular weight; when the existing liquid chromatograph is used, it is placed in the On the desktop, due to the large volume, it brings inconvenience to the rotation of the direction. It is necessary to manually move the liquid chromatograph to rotate, which also brings inconvenience to the use of the instrument.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a rotating device for a liquid chromatograph specially used for detection, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a rotating device for a detection-specific liquid chromatograph, comprising a liquid chromatograph and a support box, the top of the support box is provided with a placement slot, and a placement tray is arranged in the placement slot , and the top of the placing plate is provided with a liquid chromatograph, the middle position of the bottom of the placing plate is connected to one end of the telescopic tube, the other end of the telescopic tube passing through the bottom of the placing slot is rotated and connected to a first bevel gear, and the first bevel gear is meshed and connected to a The second bevel gear, the second bevel gear is rotatably connected with a first rotating shaft, and one end of the first rotating shaft is disposed through the side plate of the support box; the four corners of the bottom of the placement slot are provided with through holes, and each through hole slides inside A rack is connected, one side of each rack is meshed with a gear, the gear is rotatably connected with a second rotating shaft, one end of the second rotating shaft is rotatably connected with the bearing on the inner wall of the side plate of the support box, and the other end of the second rotating shaft is sleeved A connecting sleeve is connected, the support box is connected with a box door through hinge rotation, and the connecting sleeve is arranged through the box door.

Preferably, the four corners of the top of the support box are connected with vertical support vertical plates, and each support vertical plate is provided with screw holes threadedly connected with clamping bolts, and one end of the clamping bolts is connected with a rubber pad.

Preferably, shaft holes are symmetrically arranged on the box door, and one end of the connecting sleeve passes through the shaft hole and is connected to one end of the second rotating shaft in the support box.

Preferably, two gears are connected to each of the second rotating shafts, and a connection plate is connected to the top end of each gear rack in meshing connection.

Preferably, the bottom of the support box is provided with a support plate, and the support plate is provided with a shaft hole rotatably connected with one end of the telescopic tube.

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

1. By placing the liquid chromatograph on the placing plate, the meshing connection of the first bevel gear and the second bevel gear drives the telescopic tube to rotate, and the placing plate and the liquid chromatograph on the top rotate, which is convenient for users to use, Bring convenience to the direction rotation of the liquid chromatograph;

2. When the gear rotates, the top of the rack slides up and down in the through hole, and the placing plate is raised. At the same time, the telescopic tube starts to stretch, and the height of the liquid chromatograph is raised. When it is lowered, the rack starts to descend. Due to the weight of the liquid chromatograph, the placing plate begins to descend, the telescopic tube is compressed, and the height of the liquid chromatograph drops. After the adjustment, turn the clamping bolt to clamp and fix the liquid chromatograph, which is convenient for use.

Description of drawings

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

Fig. 2 is the inner side view of the utility model;

3 is a schematic structural diagram of a support box of the present invention;

FIG. 4 is a front view of the utility model.

In the figure: 1. Liquid chromatograph; 2. Support box; 3. Placing plate; 4. Placing slot; 5. Rack; 6. Gear; 7. Through hole; 8. Telescopic tube; 9. The first bevel gear ; 10, supporting plate; 11, the second bevel gear; 12, the first rotating shaft; 13, supporting the vertical plate; 14, clamping bolt; 15, the second rotating shaft; 16, bearing; 17, connecting sleeve; 18 , box door; 19, shaft hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings, only It is for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be understood in a broad sense, for example, it may be a fixed connection It can also be a detachable connection or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

1-4, the present utility model provides a technical solution: a rotating device for a liquid chromatograph dedicated to detection, comprising a liquid chromatograph 1 and a support box 2, the top of the support box 2 is provided with a placement groove 4, A placing plate 3 is arranged in the placing slot 4, and a liquid chromatograph 1 is arranged on the top of the placing plate 3, and the middle position of the bottom of the placing plate 3 is connected with one end of the telescopic tube 8, and the telescopic tube 8 passes through the other end of the bottom of the placing slot 4. A first bevel gear 9 is rotatably connected, a second bevel gear 11 is meshed with the first bevel gear 9, a first rotating shaft 12 is rotatably connected to the second bevel gear 11, and one end of the first rotating shaft 12 passes through the support box 2. The side plate is arranged; the rotation of the first rotating shaft 12 drives the second bevel gear 11 to rotate, the meshing of the gear drives the first bevel gear 9 to rotate, the telescopic tube 8 starts to rotate, and drives the placement plate 3 and the liquid chromatograph placed on the top thereof. 1 is rotated, the bottom four corners of the placement slot 4 are provided with through holes 7, each through hole 7 is slidably connected with a rack 5, one side of each rack 5 is meshed with a gear 6, and the gear 6 is rotated and connected with a The second rotating shaft 15, one end of the second rotating shaft 15 is rotatably connected with the bearing 16 on the inner wall of the side plate of the support box 2, the other end of the second rotating shaft 15 is sleeved with a connecting sleeve 17, and the support box 2 is connected with a box through a hinge. The door 18, and the connecting sleeve 17 is set through the box door 18, the rotation of the second rotating shaft 15 drives the gear 6 to rotate, the rack 5 starts to slide up and down, and when it goes up, it pushes the placing plate 3 to rise and the telescopic tube 8 is stretched , When descending, the placing tray 3 begins to descend due to the weight of the liquid chromatograph 1, the telescopic tube 8 is compressed, and the liquid chromatograph 1 begins to descend.

The top four corners of the support box 2 are connected with vertical support vertical plates 13, and each of the support vertical plates 13 is provided with screw holes for threaded connection with the clamping bolts 14, and one end of the clamping bolts 14 is connected with a rubber pad, The rotation of the clamping bolt 14 facilitates clamping and fixing of the liquid chromatograph 1 after the position adjustment.

A shaft hole 19 is symmetrically arranged on the box door 18, and one end of the connecting sleeve 17 passes through the shaft hole 19 and is connected to one end of the second rotating shaft 15 in the support box 2, and the connecting sleeve 17 passes through the shaft hole 19 and the second rotating shaft. The shaft 15 is connected to facilitate the rotation of the connecting sleeve 17 to drive the second rotating shaft 15 to rotate, and then the gear 6 starts to rotate.

Each second rotating shaft 15 is connected with two gears 6, and the top of the rack 5 meshed with each gear 6 is connected with a connecting plate.

The bottom of the support box 2 is provided with a support plate 10, and the support plate 10 is provided with a shaft hole 19 that is rotatably connected to one end of the telescopic tube 8. The shaft hole 19 on the support plate 10 is used to install one end of the telescopic tube 8, which is convenient for the telescopic tube. 8 Make a turn.

Working principle: When using, put the liquid chromatograph 1 in the placing slot 4 on the top of the support box 2, and put the bottom of the liquid chromatograph 1 on the placing plate 3. When you need to rotate the use angle of the liquid chromatograph 1, turn The first rotating shaft 12, the first rotating shaft 12 drives the second bevel gear 11 to rotate, the second bevel gear 11 meshes with the first bevel gear 9, the rotation of the first bevel gear 9 drives the telescopic tube 8 to rotate, and the telescopic tube 8 drives Place the disc 3 to rotate, and the liquid chromatograph 1 starts to rotate and adjust;

When the height of the liquid chromatograph 1 needs to be raised and adjusted, the connecting sleeve 17 passes through the shaft hole 19 on the box door 18 and is connected to one end of the second rotating shaft 15, and the rotation of the connecting sleeve 17 drives the second rotating shaft 15. When the rotating shaft 15 rotates, the gear 6 starts to rotate in the forward direction, which drives the rack 5 to rise, the rack 5 slides in the through hole 7, the rack 5 rises, and pushes the placing plate 3 to rise, and the telescopic tube 8 is elongated, which drives the liquid phase. When the chromatograph 1 is raised and needs to be lowered back to the original height, the gear 6 is driven to reverse, the rack 5 slides down in the through hole 7, the telescopic tube 8 is compressed, the height of the liquid chromatograph 1 is lowered, and the height and direction are adjusted. Then, turn the clamping bolts 14 to clamp and fix both sides of the liquid chromatograph 1 .

By placing the liquid chromatograph on the placing plate, the meshing connection of the first bevel gear and the second bevel gear drives the telescopic tube to rotate, and the placing plate and the liquid chromatograph on top of it rotate, which is convenient for users to use and supply liquid. The directional rotation of the phase chromatograph brings convenience; when the gear rotates, the top of the rack slides up and down in the through hole, raising the placing plate, and at the same time, the telescopic tube begins to stretch, raising the height of the liquid chromatograph. When lowered, the rack begins to descend. Due to the weight of the liquid chromatograph, the placing plate begins to descend, the telescopic tube is compressed, and the height of the liquid chromatograph drops. After the adjustment, turn the clamping bolt to clamp the liquid chromatograph. Tightly fixed, easy to use.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a detect special rotating device for liquid chromatograph, includes liquid chromatograph (1) and supporting box (2), its characterized in that: the top of the support box (2) is provided with a placing groove (4), a placing tray (3) is arranged in the placing groove (4), the top of the placing tray (3) is provided with a liquid chromatograph (1), the middle position of the bottom of the placing tray (3) is connected with one end of a telescopic pipe (8), the other end of the telescopic pipe (8) penetrating through the bottom of the placing groove (4) is rotatably connected with a first bevel gear (9), the first bevel gear (9) is connected with a second bevel gear (11) in a meshed manner, the second bevel gear (11) is rotatably connected with a first rotating shaft (12), and one end of the first rotating shaft (12) penetrates through a side plate of the support box (2) to; through-holes (7) are arranged at four corners of the bottom of the placing groove (4), racks (5) are connected in each through-hole (7) in a sliding mode, gears (6) are connected to one side of each rack (5) in a meshed mode, gears (6) are connected with second rotating shafts (15) in a rotating mode, one ends of the second rotating shafts (15) are connected with bearings (16) on the inner side walls of side plates of the supporting boxes (2) in a rotating mode, connecting sleeves (17) are connected to the other ends of the second rotating shafts (15) in a sleeved mode, the supporting boxes (2) are connected with box doors (18) in a rotating mode through hinges, and the connecting sleeves (17).

2. The rotary device for a liquid chromatograph dedicated for detection according to claim 1, wherein: four corners of the top of the supporting box (2) are connected with vertical supporting vertical plates (13), each supporting vertical plate (13) is provided with a screw hole in threaded connection with a clamping bolt (14), and one end of each clamping bolt (14) is connected with a rubber pad.

3. The rotary device for a liquid chromatograph dedicated for detection according to claim 1, wherein: the box door (18) is symmetrically provided with shaft holes (19), and one end of the connecting sleeve (17) penetrates through the shaft holes (19) to be connected with one end of a second rotating shaft (15) in the supporting box (2).

4. The rotary device for a liquid chromatograph dedicated for detection according to claim 1, wherein: every second axis of rotation (15) is last all to be connected with two gears (6), and rack (5) top that every gear (6) meshing is connected all is connected with the connecting plate.

5. The rotary device for a liquid chromatograph dedicated for detection according to claim 1, wherein: the bottom of the support box (2) is provided with a support plate (10), and the support plate (10) is provided with a shaft hole (19) which is rotatably connected with one end of the extension tube (8).

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