CN216223004U

CN216223004U - Adjustable rotary evaporator

Info

Publication number: CN216223004U
Application number: CN202122884991.2U
Authority: CN
Inventors: 郭鹏鹤; 牛丰田
Original assignee: Qiyu Industry Shanghai Co ltd
Current assignee: Qiyu Industry Shanghai Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-04-08
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of rotary evaporators, in particular to an adjustable rotary evaporator which comprises a base, wherein a water bath is arranged at the top of the base, the water bath is connected with a pot cover, a groove is formed in the pot cover, the pot cover is provided with a bucket-shaped top cover, a communicating pipe of the bucket-shaped top cover is communicated, one side of the water bath is provided with a connecting frame, the connecting frame comprises a fixed column, a threaded rod is arranged in the fixed column, the top of the threaded rod is connected with a knob, the threaded rod is connected with a nut block, one side of the nut block is connected with a movable column, one side of the movable column is connected with a connecting block, the connecting block is connected with a distillation device, the distillation device comprises a distillation tube, a distillation flask, a condensation tube and a collecting bottle, the distillation tube is communicated with the connecting block, the connecting block is connected with a motor, the motor is connected with a helical gear II, the helical gear II is meshed with the helical gear I, the rotating shaft is connected, one end of the rotating shaft is provided with a limiting rod, the outer wall of the distillation tube is provided with a convex block, the outer wall of the distillation tube is provided with a fixing ring, the fixing ring is provided with an air bag, the air bag is communicated with an air pipe, and the vent pipe is connected with an air blowing pump body. The utility model has good distillation effect and can shorten the distillation time.

Description

Adjustable rotary evaporator

Technical Field

The utility model relates to the technical field of rotary evaporators, in particular to an adjustable rotary evaporator.

Background

A rotary evaporator, also called as a rotary evaporator, is common equipment in laboratories, compound extraction and the like, consists of a motor, a distillation flask, a heating pot, a condenser tube and the like, is mainly used for continuously distilling volatile solvents under a reduced pressure condition, and is applied to the fields of chemistry, chemical engineering, biological medicine and the like. In the distillation process of the existing adjustable rotary evaporator, the top of the distillation flask is exposed in the air and meets cold air to cause the gas which is just evaporated to be cooled in the distillation flask again, so that the distillation effect is poor, and the distillation time is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model provides an adjustable rotary evaporator aiming at the problems.

The technical scheme adopted by the utility model is as follows: an adjustable rotary evaporator is characterized in that: the device comprises a base, a water bath is arranged on one side of the top of the base, a pot cover is movably connected with the water bath, a groove is arranged on the pot cover, a bucket-shaped top cover is arranged at the top end of the pot cover, a through pipe is connected with the top of the bucket-shaped top cover in a penetrating manner, a connecting frame is arranged on one side of the water bath and comprises a fixing column fixedly connected with the base, a threaded rod is arranged in the fixing column, the top of the threaded rod is connected with a knob, a nut block is connected onto the threaded rod in a threaded manner, a movable column is fixedly connected onto one side of the nut block, a connecting block is connected onto one side of the movable column, a distillation device is connected onto the connecting block and comprises a distillation tube, a distillation flask, a condensation tube and a collecting bottle, the distillation tube is communicated with the connecting block, a motor is connected onto the connecting block, the motor is connected with a second bevel gear, and a first bevel gear is meshed with a second bevel gear, helical gear one-side coaxial coupling rotation axis, the one end of rotation axis is equipped with the gag lever post perpendicularly, the outer wall of distillation tube is equipped with the lug that the both ends that supply the gag lever post penetrated, it is equipped with the retainer plate still to seal the cover on the outer wall of distillation tube, the periphery of retainer plate is equipped with the gasbag, gasbag through connection has the breather pipe, the breather pipe is connected with the pump body of blowing, the pump body of blowing is arranged in on the connecting block.

The two ends of the limiting rod are wrapped with rubber pads, and the rubber pads are filled in the convex blocks.

The slotted on the pot cover is used for the fixing ring to penetrate.

The outer surface of the air bag is contacted with the groove on the pot cover to form a sealing structure.

The bottom of one side of water bath is equipped with the water inlet, the siphunculus is as the play water end.

One side of the movable column is provided with a support frame, the support frame is provided with a support ring, and the support ring supports the bottom of the collecting bottle.

The utility model has the beneficial effects that:

the utility model has simple integral structure. The utility model provides a rotatory evaporator with adjustable, cover on the water bath through the pot cover, air conditioning around isolated, also arrange the top of distillation flask in the high temperature, make the distillation effect better, be convenient for cover the pot cover after placing the distillation flask through the fluting on the pot cover, gasbag and the inseparable sealed of realization fluting department of laminating of fluting outer wall, from the water inlet water injection of water bath bottom when being convenient for need, make the water bath interior air discharge from the siphunculus, be convenient for with the whole flooding in hot water of distillation flask, further improve distillation effect and speed.

Drawings

Fig. 1 is a schematic view of an overall structure of an adjustable rotary evaporator according to the present invention.

Fig. 2 is a schematic view of a portion a of an adjustable rotary evaporator according to the present invention.

FIG. 3 is a schematic view of a movable column connection structure of an adjustable rotary evaporator according to the present invention.

1. A base; 2. a water bath kettle; 2.1, pot cover; 2.11, a bucket-shaped top cover; 2.12, pipe passing; 3. distilling the flask; 3.1, a bump; 3.2, limiting rods; 3.3, a rotating shaft; 3.4, a first bevel gear; 3.5, an air-blowing pump body; 3.6, a fixing ring; 3.7, air bags; 4. fixing a column; 4.1, a threaded rod; 5. a movable post; 5.1, a nut block; 6. a support frame; 7. a collection bottle; 8. a condenser tube; 8.1, a distillation tube; 9. a motor; 9.1, a second bevel gear; 10. connecting block

Detailed Description

The utility model will be further explained with reference to the drawings.

In order to solve the problem that in the distillation process of the conventional adjustable rotary evaporator, the top of a distillation flask is exposed in air and meets cold air to cause that gas which is just evaporated is cooled in the distillation flask again, so that the distillation effect is poor and the distillation time is prolonged, the utility model provides an adjustable rotary evaporator as shown in the figure, which is characterized in that: comprises a base 1, a water bath pot 2 is arranged on one side of the top of the base 1, the water bath pot 2 is movably connected with a pot cover 2.1, a groove is arranged on the pot cover 2.1, a bucket-shaped top cover 2.11 is arranged on the top end of the pot cover 2.1, a through pipe 2.12 is connected with the top of the bucket-shaped top cover 2.11 in a penetrating way, a connecting frame is arranged on one side of the water bath pot 2 and comprises a fixed column 4 fixedly connected with the base 1, a threaded rod 4.1 is arranged in the fixed column 4, a knob is connected with the top of the threaded rod 4.1, a nut block 5.1 is in threaded connection with the threaded rod 4.1, a movable column 5 is fixedly connected with one side of the nut block 5.1, a connecting block 10 is connected with one side of the movable column 5, the connecting block 10 is connected with a distilling device, the distilling device comprises a distilling tube 8.1, a distilling flask 3, a condensing tube 8 and a collecting bottle 7, the distilling tube 8.1 is communicated with the connecting block 10, a motor 9 is connected with the connecting block 10, the motor 9 is connected with two 9.1 of helical gear, two 9.1 meshing of helical gear has one helical gear 3.4, helical gear one 3.4 one side coaxial coupling rotation axis 3.3, the one end of rotation axis 3.3 is equipped with gag lever post 3.2 perpendicularly, the outer wall of distillation tube 8.1 is equipped with the lug 3.1 that supplies the both ends of gag lever post 3.2 to penetrate, it is equipped with retainer plate 3.6 still to seal the cover on the outer wall of distillation tube 8.1, the periphery of retainer plate 3.6 is equipped with gasbag 3.7, gasbag 3.7 through connection has the breather pipe, the breather pipe is connected with the air-blowing pump body 3.5, the air-blowing pump body 3.5 is arranged in on connecting block 10.

In the utility model, two ends of the limiting rod 3.2 are wrapped with rubber pads, and the rubber pads are filled in the convex blocks 3.1.

In the utility model, the fixing ring 3.6 is arranged through the slot on the pot cover 2.1.

The outer surface of the air bag 3.7 is contacted with the groove on the pot cover 2.1 to form a sealing structure.

In the utility model, the bottom of one side of the water bath kettle 2 is provided with a water inlet, and the through pipe 2.12 is used as a water outlet end.

According to the utility model, a support frame 6 is arranged on one side of the movable column 5, a support ring is arranged on the support frame 6, and the support ring supports the bottom of the collection bottle 7.

The adjustable rotary evaporator of the embodiment is covered on a water bath kettle 2 through a kettle cover 2.1 to isolate surrounding cold air, the top of the distillation flask 3 is also placed in high temperature, the distillation effect is better, the kettle cover 2.1 is covered after the distillation flask 3 is placed conveniently through a groove on the kettle cover 2.1, an air bag 3.7 is tightly attached to the outer wall of the groove to realize the sealing of the groove, water is injected from a water inlet at the bottom of the water bath kettle 2 when needed, air in the water bath kettle 2 is discharged from a through pipe 2.12, the whole distillation flask 3 is submerged in hot water conveniently, the distillation effect and the speed are further improved, a threaded rod 4.1 is rotated through a rotary knob, a sliding groove for the nut block 5.1 to slide is formed in a fixed column 4, the nut block 5.1 is driven to move on the threaded rod 4.1 by the rotation of the threaded rod 4.1, a movable column 5 is driven to move, and the height adjustment of a distillation device is realized, the height of the distillation flask 3 in the water bath 2 is convenient to adjust.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. An adjustable rotary evaporator is characterized in that: comprises a base (1), a water bath (2) is arranged on one side of the top of the base (1), the water bath (2) is movably connected with a pot cover (2.1), a groove is arranged on the pot cover (2.1), a bucket-shaped top cover (2.11) is arranged on the top end of the pot cover (2.1), a through pipe (2.12) is connected with the top of the bucket-shaped top cover (2.11) in a through way, a connecting frame is arranged on one side of the water bath (2) and comprises a fixed column (4) fixedly connected with the base (1), a threaded rod (4.1) is arranged in the fixed column (4), a knob is connected with the top of the threaded rod (4.1), a nut block (5.1) is connected with the threaded rod (4.1), a movable column (5) is fixedly connected with one side of the nut block (5.1), a connecting block (10) is connected with one side of the movable column (5), and a distillation device is connected with the connecting block (10), the distillation device comprises a distillation tube (8.1), a distillation flask (3), a condensation tube (8) and a collection bottle (7), the distillation tube (8.1) is communicated with a connecting block (10), a motor (9) is connected on the connecting block (10), the motor (9) is connected with a bevel gear II (9.1), the bevel gear II (9.1) is meshed with a bevel gear I (3.4), one side of the bevel gear I (3.4) is coaxially connected with a rotating shaft (3.3), one end of the rotating shaft (3.3) is vertically provided with a limiting rod (3.2), the outer wall of the distillation tube (8.1) is provided with a lug (3.1) for the two ends of the limiting rod (3.2) to penetrate, the outer wall of the distillation tube (8.1) is also hermetically provided with a fixing ring (3.6), the periphery of the fixing ring (3.6) is provided with an air bag (3.7), the air bag (3.7) is communicated with a vent pipe, and the vent pipe is connected with an air blowing pump body (3.5), the air-blowing pump body (3.5) is arranged on the connecting block (10).

2. The adjustable rotary evaporator according to claim 1, wherein: the two ends of the limiting rod (3.2) are wrapped with rubber pads, and the rubber pads are filled in the convex blocks (3.1).

3. The adjustable rotary evaporator according to claim 1, wherein: the slotted on the pot cover (2.1) is used for the fixed ring (3.6) to penetrate through.

4. The adjustable rotary evaporator according to claim 1, wherein: the outer surface of the air bag (3.7) is in contact with the groove on the pot cover (2.1) to form a sealing structure.

5. The adjustable rotary evaporator according to claim 1, wherein: a water inlet is formed in the bottom of one side of the water bath pot (2), and the through pipe (2.12) serves as a water outlet end.

6. The adjustable rotary evaporator according to claim 1, wherein: one side of the movable column (5) is provided with a support frame (6), the support frame (6) is provided with a support ring, and the support ring supports the bottom of the collecting bottle (7).