CN214512778U

CN214512778U - Rotary evaporator

Info

Publication number: CN214512778U
Application number: CN202121061220.7U
Authority: CN
Inventors: 张文超
Original assignee: Ningbo Shuangcheng Pharmaceutical Co ltd
Current assignee: Ningbo Shuangcheng Pharmaceutical Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-10-29
Anticipated expiration: 2031-05-18

Abstract

The utility model discloses a rotary evaporator belongs to the rotary evaporator field. The utility model provides a rotary evaporator, includes box, retort and heating pot, the heating pot sets up in the box, the retort sets up on the heating pot, still includes: the heating box is fixedly connected to the heating pot; the heating wire is arranged on the heating box; the water tank is fixedly connected to the tank body; wherein, a liquid feeding pipe is arranged on the water tank; the water tank is connected with the heating pot through a water outlet pipe; the box body is provided with a control mechanism; the utility model discloses simple to use, convenient operation through adding water to the heating pot is automatic, reduces artifical watered intensity of labour, improves watered convenience, makes the water in the heating pot remain throughout at certain height, improves the effect of evaporation in the distillation flask, preheats through to water simultaneously, reduces the temperature reduction in the heating pot, improves the stationarity of heating.

Description

Rotary evaporator

Technical Field

The utility model relates to a rotary evaporator technical field especially relates to a rotary evaporator.

Background

A rotary evaporator, also called as a rotary evaporator, is common equipment in laboratories and China, consists of a motor, a distillation flask, a heating pot, a condenser pipe 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.

Water bath heating system in the heating pot is the important part that influences the operation effect, in order to guarantee the water bath heating effect, current rotatory evaporimeter is after long-time heating, lead to the hot water evaporation in the heating pot to become few, need the manual work to add, if can not in time add very easily lead to the evaporation effect variation, perhaps lead to the evaporation failure, the water bath heating pot heat of prior art is the easy spill when heating to the water boiling simultaneously, scald the operator easily, therefore we have proposed a rotatory evaporimeter.

Disclosure of Invention

The utility model aims at solving among the prior art heating pot hot water boiling spill easily, scald the operator easily, current rotary evaporator is after long-time heating simultaneously, leads to the hot water evaporation in the heating pot to become less, needs the manual work to add, if can not in time add lead to evaporation effect variation easily, lead to the problem of evaporation failure, and a rotary evaporator who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rotary evaporator, includes box, retort and heating pot, the heating pot sets up in the box, the retort sets up on the heating pot, still includes: the heating box is fixedly connected to the heating pot; the heating wire is arranged on the heating box; the water tank is fixedly connected to the tank body; wherein, a liquid feeding pipe is arranged on the water tank; the water tank is connected with the heating pot through a water outlet pipe; the box body is provided with a control mechanism.

In order to conveniently add water, preferably, the control mechanism comprises a telescopic rod, a spring, a communicating joint and a control rod, the telescopic rod is fixedly connected to the box body, the heating box is fixedly connected with the telescopic rod, the spring is sleeved on the outer wall of the telescopic rod, two ends of the spring are respectively abutted against the box body and the heating box, the communicating joint is fixedly connected to the water outlet pipe, a sliding groove is formed in the communicating joint, the control rod is fixedly connected to the heating pot, the control rod is slidably connected to the sliding groove, and a through hole is formed in the control rod.

In order to preheat water in the water tank, the water tank is preferably provided with a heat preservation box fixedly connected with the water tank, the box is provided with a sealing cover fixedly connected with the fan blade, the sealing cover is rotatably connected with the fan blade, the box is fixedly connected with a motor, the motor is fixedly connected with the fan blade, the sealing cover is connected with the heating box through an air inlet pipe, the sealing cover is connected with the heat preservation box through an air outlet pipe, and the heat preservation box is provided with an air outlet.

In order to facilitate the rotation of the distillation flask, preferably, the heating pot is fixedly connected with a roller, and the distillation flask is slidably connected to the roller.

In order to prevent hot water from splashing, preferably, a sealing gasket is fixedly connected to the heating pan, and the heating pan is attached to the sealing gasket.

In order to reduce the waste of steam, it is preferable that the heating pan is connected to the water tank by a connection pipe.

Compared with the prior art, the utility model provides a rotary evaporator possesses following beneficial effect:

1. this rotary evaporator adds water to the heating pot through control is automatic, reduces artifical watered intensity of labour, makes the hot water in the heating pot remain at certain height all the time simultaneously, improves heating efficiency and to the homogeneity of retort heating.

2. This rotatory evaporimeter heats the water tank through the heat preservation box, improves the temperature of water tank water-logging, reduces the water tank and adds when water to the heating pot, and the temperature is low excessively, leads to the temperature decline in the heating pot, influences the distillation of retort, improves distillative stability, reduces the evaporation failure that appears.

3. This rotary evaporator pastes with the retort through setting up sealed pad, reduces the hot water boiling in the heating pot and splashes, improves the security of evaporation, sets up the connecting pipe and discharges the steam of heating pot and carry out recycle in the water tank, reduces steam and causes the injury to the human body, improves the convenience of retrieving.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple to use, convenient operation adds water through adding water to the heating pot is automatic, reduces artifical watered intensity of labour, improves watered convenience, makes the water in the heating pot remain throughout at certain height, improves the effect of evaporation in the retort, preheats through to water simultaneously, reduces the temperature reduction in the heating pot, improves the stationarity of heating.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a rotary evaporator provided by the present invention;

fig. 2 is a schematic structural view of a control rod of a rotary evaporator according to the present invention;

fig. 3 is a schematic structural diagram of a portion a in fig. 1 of a rotary evaporator according to the present invention.

In the figure: 1. a box body; 2. a distillation flask; 3. heating the pan; 4. a heating cartridge; 5. an electric heating wire; 6. a water tank; 601. a liquid feeding pipe; 7. a water outlet pipe; 8. a telescopic rod; 9. a spring; 10. a communication joint; 11. a control lever; 111. a through hole; 12. a heat preservation box; 121. an air outlet; 13. an air inlet pipe; 14. a motor; 15. a sealing cover; 16. a fan blade; 17. an air outlet pipe; 18. a roller; 19. a gasket; 20. and (4) connecting the pipes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-3, a rotary evaporator comprises a box body 1, a distillation flask 2 and a heating pan 3, wherein the heating pan 3 is arranged in the box body 1, the distillation flask 2 is arranged on the heating pan 3, and the rotary evaporator further comprises: the heating box 4 is fixedly connected to the heating pot 3; a heating wire 5 provided on the heating box 4; the water tank 6 is fixedly connected to the box body 1; wherein, a liquid feeding pipe 601 is arranged on the water tank 6; the water tank 6 is connected with the heating pot 3 through a water outlet pipe 7; the box body 1 is provided with a control mechanism.

Control mechanism includes telescopic link 8, spring 9, the intercommunication connects 10 and

control lever

11, 8 fixed connection of telescopic link is on box 1, heating box 4 links to each other with 8 fixed of telescopic link, spring 9 cup joints at 8 outer walls of telescopic link, the both ends of spring 9 offset with box 1 and heating box 4 respectively, intercommunication connects 10 fixed connection on outlet pipe 7, the spout has been seted up on the intercommunication connects 10, 11 fixed connection of control lever are on

heating pot

3, 11 sliding connection of control lever is on the spout, through-hole 111 has been seted up on the control lever 11.

In the utility model, when the user uses, heat the heating pan 3 by starting the heating wire 5, then distill the retort 2 by the hot water in the heating pan 3, simultaneously when the evaporation of the hot water in the heating pan 3 becomes less, the weight of the heating pan 3 becomes light, drive the heating pan 3 to move upwards by the tension of the spring 9, simultaneously the control rod 11 on the heating pan 3 moves upwards, the through hole 111 on the control rod 11 is communicated with the communication joint 10, the water in the water tank 6 enters the heating pan 3 through the water outlet pipe 7 and the communication joint 10 to add water, when the water in the heating pan 3 rises to the weight before evaporation, the heating pan 3 drives the control rod 11 to descend, the through hole 111 is separated from the communication joint 10, the water tank 6 stops adding water in the heating pan 3, automatically add water in the heating pan 3 by control, the labor intensity of manual water addition is reduced, simultaneously, the hot water in the heating pan 3 is always kept at a certain height, the heating efficiency and the uniformity of heating the distillation flask 2 are improved.

Example 2:

The water tank 6 is fixedly connected with a heat preservation box 12, the tank 1 is fixedly connected with a sealing cover 15, the sealing cover 15 is rotatably connected with fan blades 16, the tank 1 is fixedly connected with a motor 14, the motor 14 is fixedly connected with the fan blades 16, the sealing cover 15 is connected with the heating box 4 through an air inlet pipe 13, the sealing cover 15 is connected with the heat preservation box 12 through an air outlet pipe 17, an air outlet 121 is formed in the heat preservation box 12, hot air in the heating box 4 enters the sealing cover 15 through the air inlet pipe 13 by adding the heat preservation box 12 to the water tank 6, then the motor 14 is started, the motor 14 drives the fan blades 16 to rotate, the hot air in the heating box 4 is sent into the heat preservation box 12 through the air outlet pipe 17, the water tank 6 is heated through the heat preservation box 12, the temperature of water in the water tank 6 is increased, when the water tank 6 adds water to the heating pot 3 is reduced, the water temperature is too low, the water temperature in the heating pot 3 is reduced, distillation of the distillation flask 2 is influenced, the stability of distillation is improved, and evaporation failure is reduced.

Fixedly connected with gyro wheel 18 on the heating pot 3, distillation flask 2 sliding connection improves distillation flask 2 pivoted stability on the heating pot 3 through set up gyro wheel 18 on the heating pot 3 on the gyro wheel 18.

Fixedly connected with sealed 19 on the heating pot 3, the heating pot 3 pastes with sealed 19 mutually, pastes with retort 2 mutually through setting up sealed 19, reduces the hot water boiling in the heating pot 3 and splashes, improves the security of evaporation.

The heating pan 3 is connected with the water tank 6 through the connecting pipe 20, and the steam of the heating pan 3 is discharged into the water tank 6 through the connecting pipe 20 to be recycled, so that the harm to the human body caused by the steam is reduced, and the recycling convenience is improved.

The utility model discloses simple to use, convenient operation through adding water to the heating pot is automatic, reduces artifical watered intensity of labour, improves watered convenience, makes the water in the heating pot remain throughout at certain height, improves the effect of evaporation in the distillation flask, preheats through to water simultaneously, reduces the temperature reduction in the heating pot, improves the stationarity of heating.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rotary evaporator, includes box (1), retort (2) and heating pot (3), heating pot (3) set up in box (1), retort (2) set up on heating pot (3), its characterized in that still includes:

the heating box (4) is fixedly connected to the heating pot (3);

the electric heating wire (5) is arranged on the heating box (4);

the water tank (6) is fixedly connected to the box body (1);

wherein a liquid adding pipe (601) is arranged on the water tank (6); the water tank (6) is connected with the heating pot (3) through a water outlet pipe (7);

the box body (1) is provided with a control mechanism.

2. The rotary evaporator according to claim 1, wherein the control mechanism comprises a telescopic rod (8), a spring (9), a communication joint (10) and a control rod (11), the telescopic rod (8) is fixedly connected to the box body (1), the heating box (4) is fixedly connected to the telescopic rod (8), the spring (9) is sleeved on the outer wall of the telescopic rod (8), two ends of the spring (9) respectively abut against the box body (1) and the heating box (4), the communication joint (10) is fixedly connected to the water outlet pipe (7), a sliding groove is formed in the communication joint (10), the control rod (11) is fixedly connected to the heating pot (3), the control rod (11) is slidably connected to the sliding groove, and a through hole (111) is formed in the control rod (11).

3. The rotary evaporator according to claim 1, characterized in that a heat preservation box (12) is fixedly connected to the water tank (6), a sealing cover (15) is fixedly connected to the box body (1), fan blades (16) are rotatably connected to the sealing cover (15), a motor (14) is fixedly connected to the box body (1), the motor (14) is fixedly connected to the fan blades (16), the sealing cover (15) is connected to the heating box (4) through an air inlet pipe (13), the sealing cover (15) is connected to the heat preservation box (12) through an air outlet pipe (17), and an air outlet (121) is formed in the heat preservation box (12).

4. A rotary evaporator according to claim 1, wherein rollers (18) are fixedly connected to the heating pan (3), and the distillation flask (2) is slidably connected to the rollers (18).

5. A rotary evaporator according to claim 1, characterized in that a sealing gasket (19) is fixedly connected to the heating pan (3), and the heating pan (3) is attached to the sealing gasket (19).

6. A rotary evaporator according to claim 5, characterized in that the heating pan (3) is connected to the water tank (6) by means of a connecting tube (20).