CN219376096U

CN219376096U - Rotary evaporator

Info

Publication number: CN219376096U
Application number: CN202320022129.7U
Authority: CN
Inventors: 张胜; 张鹏; 陈欣
Original assignee: Sichuan Yantu Ecological Technology Co ltd
Current assignee: Sichuan Yantu Ecological Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-07-21
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a rotary evaporator, which relates to the technical field of evaporators and aims at solving the problems that when the conventional rotary evaporator is used, water in a heating pot can continuously evaporate to reduce, so that the contact area between a distillation flask and hot water is reduced, and the distillation speed is reduced. The utility model has reasonable structural design and convenient use, and can ensure that the hot water in the heating pot in the rotary evaporator can always keep a constant water level by utilizing the buoyancy effect of the buoyancy ball, so that the condition that the contact area between the distillation flask and the hot water is reduced due to the reduction of the evaporation of the hot water in the heating pot can not occur, and the stable working efficiency of the rotary evaporator can be ensured during the use.

Description

Rotary evaporator

Technical Field

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

Background

The rotary evaporator, also called rotary evaporator, is an evaporating instrument widely used in laboratories, is mainly used for continuously distilling volatile solvents under the condition of reduced pressure, and is widely applied to the fields of chemistry, chemical industry, biological medicine and the like.

However, in the conventional rotary evaporator, when in use, a distillation flask is usually placed in a heating pot and is contacted with hot water in the heating pot, and then the liquid to be distilled in the distillation flask is heated and distilled, but the water in the heating pot is continuously evaporated and reduced when in use, so that the water level of the heating pot is continuously lowered, and the contact area between the distillation flask and the hot water is reduced, namely the working efficiency of the rotary evaporator is reduced.

Disclosure of Invention

The utility model aims to solve the defects that when the conventional rotary evaporator is used, the continuous evaporation of water in a heating pot is reduced, so that the contact area between a distillation flask and hot water is reduced, and the distillation speed is reduced.

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

a rotary evaporator, comprising:

the device comprises a base, wherein a support is fixedly connected to the top of the base, a connecting frame is fixedly arranged on the support, a motor is fixedly arranged in the connecting frame, a rotating shaft is fixedly connected to an output shaft of the motor, a through pipe is communicated with the connecting frame, a condensing cylinder is communicated with the through pipe, a feeding pipe is communicated with the condensing cylinder, driving gears are fixedly connected to the feeding pipe and the rotating shaft, the two driving gears are meshed with each other, and a distillation flask is fixedly connected to the bottom end of the feeding pipe;

the top of the base is fixedly connected with a hot water tank, the hot water tank is communicated with a hot water pipe, the hot water pipe is communicated with a water suction pump, a touch switch is arranged on the water suction pump, the top of the hot water tank is fixedly connected with a heating pot, the left inner wall of the heating pot is rotationally connected with a buoyancy rod, the bottom end of the buoyancy rod is fixedly connected with a buoyancy ball, a deflector rod is fixedly sleeved on the buoyancy rod, a transverse through hole is formed in the left inner wall of the heating pot, a slide bar is slidably connected in the transverse through hole, a first rack is fixedly connected on the slide bar, the utility model discloses a heating pot, including heating pot, first backup pad, second rack, cooling cylinder, ejector pin, first backup pad of fixedly connected with on the left side of heating pot, rotate in the first backup pad and be connected with the back shaft, fixedly connected with on the back shaft first gear and second gear, first gear with first rack meshes mutually, fixedly connected with second backup pad on the left side of heating pot, vertical through-hole has been seted up in the second backup pad, sliding connection has the ejector pin in the vertical through-hole, the ejector pin is close to fixedly connected with second rack on one side of second gear, the second rack with second gear meshes mutually, the bottom intercommunication of cooling cylinder has the collecting bottle.

In a preferred embodiment, the top of the base is fixedly connected with an electric telescopic rod, and the top of the electric telescopic rod is fixedly connected with a protective cover.

In a preferred embodiment, a rectangular through hole is formed in the inner wall of the left side of the protective cover, a condensate pipe is communicated with the condensate cylinder, and the part of the condensate pipe positioned on the left side of the condensate cylinder slides in the rectangular through hole.

In a preferred embodiment, the first rack and the first gear are both located in front of the second rack and the second gear, and the ejector rod is located above the touch switch.

In a preferred embodiment, a spring is fixedly sleeved on the sliding rod, the spring is positioned on the left side of the heating pot, a sealing cover is fixedly connected on the left side of the heating pot, and the spring is positioned in the sealing cover.

In a preferred embodiment, the front side of the protective cover is provided with a mounting through hole, an observation window is fixedly connected in the mounting through hole, and the observation window is made of transparent glass.

According to the rotary evaporator, the switch of the water suction pump can be controlled by utilizing the buoyancy action of the buoyancy ball, so that the hot water in the heating pot in the rotary evaporator can always keep a constant water level, and the stable working efficiency of the rotary evaporator can be ensured when the rotary evaporator is used;

according to the rotary evaporator, the lifting of the protective cover can be controlled by controlling the electric telescopic rod, so that the rotary evaporator is prevented from being damaged due to external collision when being stored, and the service life is prolonged;

the utility model has reasonable structural design and convenient use, and can ensure that the hot water in the heating pot in the rotary evaporator can always keep a constant water level by utilizing the buoyancy effect of the buoyancy ball, so that the condition that the contact area between the distillation flask and the hot water is reduced due to the reduction of the evaporation of the hot water in the heating pot can not occur, and the stable working efficiency of the rotary evaporator can be ensured during the use.

Drawings

Fig. 1 is a schematic perspective view of a rotary evaporator according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a rotary evaporator according to the present utility model;

FIG. 3 is a schematic view of a portion A of a rotary evaporator according to the present utility model;

fig. 4 is a schematic structural diagram of a portion B of a rotary evaporator according to the present utility model.

In the figure: 1. a base; 2. a bracket; 3. a motor; 4. a drive gear; 5. a distillation flask; 6. a hot water tank; 7. a hot water pipe; 8. a water pump; 9. a touch switch; 10. heating the pot; 11. a buoyancy ball; 12. a deflector rod; 13. a slide bar; 14. a spring; 15. a first rack; 16. a support shaft; 17. a first gear; 18. a second gear; 19. a second rack; 20. an electric telescopic rod; 21. a protective cover; 22. a condensing cylinder; 23. a collection bottle; 24. and an observation window.

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.

Referring to fig. 1-4, one embodiment of the present solution provides: a rotary evaporator, comprising:

the device comprises a base 1, wherein a support 2 is fixedly connected to the top of the base 1, a connecting frame is fixedly installed on the support 2, a motor 3 is fixedly installed in the connecting frame, a rotating shaft is fixedly connected to an output shaft of the motor 3, a through pipe is communicated with the connecting frame, a condensing cylinder 22 is communicated with the through pipe, a feeding pipe is communicated with the condensing cylinder 22, driving gears 4 are fixedly connected to the feeding pipe and the rotating shaft, the two driving gears 4 are meshed with each other, and a distillation flask 5 is fixedly connected to the bottom end of the feeding pipe;

the top fixedly connected with hot-water tank 6 of base 1, the intercommunication has hot-water line 7 on the hot-water tank 6, the intercommunication has suction pump 8 on the hot-water line 7, be provided with touch switch 9 on the suction pump 8, the top fixedly connected with heating pot 10 of hot-water tank 6, it is connected with the buoyancy pole to rotate on the left side inner wall of heating pot 10, fixedly connected with buoyancy ball 11 on the bottom of buoyancy pole, the fixed cover is equipped with driving lever 12 on the buoyancy pole, horizontal through-hole has been seted up on the left side inner wall of heating pot 10, sliding connection has slide bar 13 in the horizontal through-hole, fixedly connected with first rack 15 on the slide bar 13, fixedly connected with first backup pad on the left side of heating pot 10, rotationally be connected with back shaft 16 on the first backup pad, fixedly connected with first gear 17 and second gear 18 on the back shaft 16, fixedly connected with second backup pad on the left side of heating pot 10, the second backup pad is equipped with driving lever 12, the second rack is close to the second rack 18 is connected with vertical through-hole on the second rack 19, the second is close to the second through-hole is connected with a roof bar 19.

In this embodiment, the electric telescopic rod 20 is fixedly connected to the top of the base 1, and the protective cover 21 is fixedly connected to the top of the electric telescopic rod 20, so that the rotary distiller body can be protected.

In this embodiment, a rectangular through hole is formed in the left inner wall of the protective cover 21, a condenser pipe is connected to the condenser tube 22, and a portion of the condenser pipe located at the left side of the condenser tube 22 slides in the rectangular through hole, so that the condenser pipe and the feeding pipe do not affect lifting of the protective cover.

In this embodiment, the first rack 15 and the first gear 17 are both located in front of the second rack 19 and the second gear 18, and the push rod is located above the touch switch 9, so that they do not interfere with each other in use.

In this embodiment, the spring 14 is fixedly sleeved on the sliding rod 13, and the spring 14 is located at the left side of the heating pot 10, a sealing cover is fixedly connected to the left side of the heating pot 10, and the spring is located in the sealing cover and can limit the spring and the sliding rod.

In this embodiment, the front side of protection casing 21 has seted up the installation through-hole, fixedly connected with observation window 24 in the installation through-hole, just observation window 24 is transparent glass material, can be convenient for the experimenter observe the distiller behavior.

The operating principle, firstly, when using, liquid raw materials that will distill pours into the retort 5 through the inlet pipe, then start suction pump 8, can be to annotating the hot water of preset temperature in the heating pot 10, further, after hot water is filled up, buoyancy ball 11 can drive driving lever 12 because self buoyancy's reason, further driving lever 12 can promote slide bar 13 and first rack 15 and carry out the removal of horizontal direction, and compression spring 14, further, first rack 15 meshing first gear 17 rotates, and drive second gear 18 meshing second rack 19 and carry out the downward movement, further, second rack 19 drives the ejector pin and moves down and press touch switch 9, can close suction pump 8, after the partly submergence of retort 5 in hot water, start motor 3, through the output shaft of motor 3 rotates, and then drive two drive gears and rotate, further drive retort 5 rotates, can make the distillation work that starts, further, after the hot water in the heating pot 10 evaporates a part, further, first rack 15 meshing first gear 17 rotates, and drive second gear 18 meshing second rack 19 and carries out the downward movement, further, second rack 19 drives the ejector pin and moves down and presses touch switch 9, can be closed with the suction pump 8, can be kept in order to heat the continuous contact with the continuous distillation pot, and further, and the heating pot is kept in the continuous contact with the hot water, and the continuous distillation pot is heated up, and the heating pot is continuously heated by the contact with the continuous hot water, and the heating pot is kept up, and the heating up by the contact with the contact condition of the hot water, and the heating pot is continuously, and the heating pot is heated by the hot water, and the heating up, and has the heating efficiency.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A rotary evaporator comprising a base (1), characterized in that: the top of the base (1) is fixedly connected with a support (2), a connecting frame is fixedly arranged on the support (2), a motor (3) is fixedly arranged in the connecting frame, a rotating shaft is fixedly connected to an output shaft of the motor (3), a through pipe is communicated with the connecting frame, a condensing cylinder (22) is communicated with the through pipe, a feeding pipe is communicated with the condensing cylinder (22), driving gears (4) are fixedly connected to the feeding pipe and the rotating shaft, the two driving gears (4) are meshed with each other, and a distillation bottle (5) is fixedly connected to the bottom end of the feeding pipe;

the utility model discloses a vertical heating device, including base (1) and hot-water tank (6) of the top fixedly connected with, the intercommunication has hot-water line (7) on hot-water line (6), the intercommunication has suction pump (8) on hot-water line (7), be provided with touch switch (9) on suction pump (8), the top fixedly connected with heating pot (10) of hot-water line (6), it is connected with buoyancy pole to rotate on the left side inner wall of heating pot (10), fixedly connected with buoyancy ball (11) on the bottom of buoyancy pole, fixed cover is equipped with driving lever (12) on the buoyancy pole, set up horizontal through-hole on the left side inner wall of heating pot (10), sliding connection has slide bar (13) on horizontal through-hole, fixedly connected with first rack (15) on slide bar (13), fixedly connected with first backup pad on the left side of heating pot (10), rotationally connected with back shaft (16) on the back shaft (16) is fixedly connected with first gear (17) and second gear (18), first gear (17) and second rack (15) are connected with on the top of second rack (19) is close to the vertical through-hole on the top of the second rack (18), the second rack (19) is meshed with the second gear (18), and a collecting bottle (23) is communicated with the bottom of the condensing cylinder (22).

2. A rotary evaporator according to claim 1 wherein: the top of base (1) fixedly connected with electric telescopic handle (20), the top fixedly connected with protection casing (21) of electric telescopic handle (20).

3. A rotary evaporator according to claim 2 wherein: rectangular through holes are formed in the left inner wall of the protective cover (21), a condensation water pipe is communicated with the condensation cylinder (22), and the part of the condensation water pipe, which is positioned on the left side of the condensation cylinder (22), slides in the rectangular through holes.

4. A rotary evaporator according to claim 1 wherein: the first racks (15) and the first gears (17) are both positioned in front of the second racks (19) and the second gears (18), and the ejector rod is positioned above the touch switch (9).

5. A rotary evaporator according to claim 1 wherein: the spring (14) is fixedly sleeved on the sliding rod (13), the spring (14) is positioned on the left side of the heating pot (10), a sealing cover is fixedly connected to the left side of the heating pot (10), and the spring is positioned in the sealing cover.

6. A rotary evaporator according to claim 2 wherein: the front side of the protective cover (21) is provided with an installation through hole, an observation window (24) is fixedly connected in the installation through hole, and the observation window (24) is made of transparent glass.