CN218981646U

CN218981646U - Distillation flask fixing device of rotary evaporator

Info

Publication number: CN218981646U
Application number: CN202223213154.8U
Authority: CN
Inventors: 赵兵
Original assignee: Hainan Purui Scientific Instrument Co ltd
Current assignee: Hainan Purui Scientific Instrument Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-05-09
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to the technical field of rotary evaporators, and discloses a rotary evaporator distillation flask fixing device which comprises a fixing plate, wherein a guide rail is arranged at the bottom end of the fixing plate, moving plates are arranged at two sides outside the guide rail, fixing components for fixing a distillation flask are arranged at the bottom ends of two groups of moving plates, each fixing component comprises an upper clamping ring and a lower clamping ring which are symmetrically arranged, and the upper clamping rings and the lower clamping rings are fixedly connected through screws and nuts; the utility model has simple structure, when in actual use, the end part of the fixing bolt is far away from the surface of the guide rail by unscrewing the fixing bolt, so that the movable plate can be pushed to move on the guide rail, the position adjustment of the two fixing components can be realized, and the positions of the two fixing components can be adjusted according to the actual positions of the distillation flask and the interface, thereby ensuring that the fixing components can realize clamping and fixing of the distillation flask and the interface, and improving the applicability of the device.

Description

Distillation flask fixing device of rotary evaporator

Technical Field

The utility model relates to the technical field of rotary evaporators, in particular to a rotary evaporator distillation flask fixing device.

Background

The rotary evaporator, also called rotary evaporator, is one kind of evaporating instrument for laboratory use, and consists of motor, distiller, heating pot, condensing pipe, etc. and is used in continuous distillation of volatile solvent under reduced pressure.

In Chinese patent application No. 201320840783.5, a rotary evaporator distillation flask fixing device is disclosed, which comprises: the device comprises a condensing tube, a fixing device, a slide way, a knob, a clip, a distillation flask, an interface, a receiving flask, a liquid inlet, a valve and a liquid inlet pipe. The distillation flask and the receiving flask are inserted in the condensing tube through the connector, one end of the fixing device is arranged on the connector through the clip, the other end of the fixing device is arranged on the distillation flask, the fixing device is provided with a slide way and a knob, the liquid inlet tube is connected with the condensing tube through the connector, and the liquid inlet tube is provided with a valve and a liquid inlet. The product simple structure, reasonable in design, fixing device adopts clip and interface and the fixed mode of screwing of still, and is coaxial with the rotation of still not having avoided the still to revolve more tight phenomenon more, takes off easily, and fixed elasticity degree can be adjusted as required, uses convenient operation.

However, in the above patent, since the two clamps are fixed, the positions of the two clamps cannot be adjusted according to the positions of the distillation flask and the mouthpiece, so that it is difficult to fix the two clamps when the positions of the mouthpiece are changed.

Disclosure of Invention

The utility model aims to provide a rotary evaporator distillation flask fixing device, which solves the problem that in the above patent, as two clamps are fixed, the positions of the two clamps cannot be adjusted, and cannot be adjusted according to the positions of a distillation flask and a port, so that the fixing is difficult when the positions of the distillation flask and the port are changed.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rotary evaporator distillation flask fixing device, includes the fixed plate, the fixed plate bottom is provided with the guide rail, the outside both sides of guide rail are provided with the movable plate, two sets of the movable plate bottom is provided with the fixed subassembly that is used for fixed distillation flask.

Preferably, the fixing assembly comprises an upper clamping ring and a lower clamping ring which are symmetrically arranged, the upper clamping ring and the lower clamping ring are fixedly connected through screws and nuts, and a supporting rod fixedly connected with the moving plate is fixedly arranged at one end of the upper clamping ring.

Preferably, sliding grooves are formed in two sides of the outer wall of the guide rail, and sliding plates which are installed in the sliding grooves in a sliding mode are fixedly installed on two sides of one end of the moving plate.

Preferably, a side plate is fixedly arranged on one side of the movable plate, and a fastening bolt is arranged on the surface of the side plate in a threaded manner.

Preferably, the mounting frame is fixedly arranged on two sides of the top end of the fixing plate, and the surface of the mounting frame is provided with bolt holes.

Preferably, the upper clamping ring and the lower clamping ring are respectively in a semicircular structure.

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

the utility model has simple structure, when in actual use, the end part of the fixing bolt is far away from the surface of the guide rail by unscrewing the fixing bolt, so that the movable plate can be pushed to move on the guide rail, the position adjustment of the two fixing components can be realized, and the positions of the two fixing components can be adjusted according to the actual positions of the distillation flask and the interface, thereby ensuring that the fixing components can realize clamping and fixing of the distillation flask and the interface, and improving the applicability of the device.

Drawings

FIG. 1 is a schematic view of the overall structure of a rotary evaporator distillation flask fixing device of the present utility model;

FIG. 2 is a front view of the rotary evaporator distillation flask fixture of the present utility model;

fig. 3 is a perspective view of a rotary evaporator distillation flask fixture of the present utility model.

In the figure: 10-fixing plates; 11-a guide rail; 12-moving plate; 13-a chute; 14-side plates; 15-fastening bolts; 20-mounting rack; 30-fixing the assembly; 31-supporting rods; 32-upper clamping ring; 33-lower clamp ring.

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.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides a rotary evaporator distillation flask fixing device, including fixed plate 10, fixed plate 10 bottom fixed mounting has guide rail 11, the outside both sides slidable mounting of guide rail 11 has movable plate 12, movable plate 12 can slide along the outside of guide rail 11, then can realize the adjustment to fixed subassembly 30 position, two sets of movable plate 12 bottom fixed mounting have the fixed subassembly 30 that is used for fixed distillation flask, fixed subassembly 30 is used for realizing the centre gripping to the distillation flask fixed, fixed subassembly 30 includes the last grip ring 32 and the lower grip ring 33 of symmetry setting, go up grip ring 32 and lower grip ring 33 respectively for semi-circular structure, go up grip ring 32 and lower grip ring 33 and assemble together and can constitute a ring, then can fix the distillation flask with the interface of connecting the distillation flask, go up grip ring 32 and lower grip ring 33 between through screw and nut fixed connection, go up grip ring 32 one end fixed mounting have with movable plate 12 between fixed connection's bracing piece 31.

Further, the fastening bolt 15 is unscrewed, so that the end part of the fastening bolt is far away from the surface of the guide rail 11, the movable plate 12 can be pushed to move on the guide rail 11, the position of the two fixing components 30 can be adjusted according to the actual positions of the distillation flask and the interface, the positions of the two fixing components can be adjusted, when the upper clamping ring 32 is attached to the upper part of the outer wall of the distillation flask and the interface, the lower clamping ring 33 is fixed on the upper clamping ring 32, and then the distillation flask and the interface can be fixed through the upper clamping ring 32 and the lower clamping ring 33.

In the preferred technical scheme of this embodiment, the spout 13 has been seted up to guide rail 11 outer wall both sides, and movable plate 12 one end both sides fixed mounting has the slide in spout 13, and when movable plate 12 moved, also can drive the slide and remove in spout 13, can improve the stability that movable plate 12 moved, also can prevent simultaneously that movable plate 12 from dropping from guide rail 11.

In the preferred embodiment of the present embodiment, the side plate 14 is fixedly mounted on one side of the moving plate 12, the fastening bolt 15 is mounted on the surface of the side plate 14 by screw threads, when the fastening bolt 15 is screwed down, the end portion of the fastening bolt 15 abuts against the surface of the guide rail 11, so that the moving plate 12 can be fixed, and when the fastening bolt 15 is unscrewed, the end portion of the fastening bolt 15 is separated from the guide rail 11, so that the moving plate 12 can be moved.

In the preferred technical scheme of this embodiment, mounting bracket 20 is fixedly installed on both sides of the top end of fixed plate 10, the bolt holes are provided on the surface of mounting bracket 20, and the device can be fixedly installed on the rotary evaporator through mounting bracket 20.

Working principle: when the distillation flask and interface fixing device is used, the fastening bolts 15 are unscrewed, the end parts of the fastening bolts are far away from the surface of the guide rail 11, the movable plate 12 can be pushed to move on the guide rail 11, the position of the two fixing assemblies 30 can be adjusted according to the actual positions of the distillation flask and the interface, the positions of the two fixing assemblies can be adjusted according to the actual positions of the distillation flask and the interface, when the upper clamping ring 32 is attached to the upper part of the outer wall of the distillation flask and the interface, the lower clamping ring 33 is fixed on the upper clamping ring 32, and then the distillation flask and the interface can be fixed through the upper clamping ring 32 and the lower clamping ring 33.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and implement it without limiting the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. The utility model provides a rotary evaporator distillation flask fixing device, includes fixed plate (10), fixed plate (10) bottom is provided with guide rail (11), its characterized in that: moving plates (12) are arranged on two sides outside the guide rail (11), and fixing assemblies (30) used for fixing the distillation flask are arranged at the bottom ends of the two groups of moving plates (12).

2. A rotary evaporator distillation flask fixing device according to claim 1 wherein: the fixing assembly (30) comprises an upper clamping ring (32) and a lower clamping ring (33) which are symmetrically arranged, the upper clamping ring (32) and the lower clamping ring (33) are fixedly connected through screws and nuts, and a supporting rod (31) fixedly connected with the movable plate (12) is fixedly arranged at one end of the upper clamping ring (32).

3. A rotary evaporator distillation flask fixing device according to claim 1 wherein: sliding grooves (13) are formed in two sides of the outer wall of the guide rail (11), and sliding plates which are slidably installed in the sliding grooves (13) are fixedly installed on two sides of one end of the moving plate (12).

4. A rotary evaporator distillation flask fixing device according to claim 1 wherein: a side plate (14) is fixedly arranged on one side of the moving plate (12), and a fastening bolt (15) is arranged on the surface of the side plate (14) in a threaded manner.

5. A rotary evaporator distillation flask fixing device according to claim 1 wherein: the mounting frame (20) is fixedly mounted on two sides of the top end of the fixing plate (10), and bolt holes are formed in the surface of the mounting frame (20).

6. A rotary evaporator distillation flask fixing device according to claim 2 wherein: the upper clamping ring (32) and the lower clamping ring (33) are respectively in semicircular structures.