CN218529800U

CN218529800U - Rotary evaporator

Info

Publication number: CN218529800U
Application number: CN202222859495.6U
Authority: CN
Inventors: 沈伟; 韩芳军
Original assignee: Hangzhou Qinlai Experimental Instrument Co ltd
Current assignee: Hangzhou Qinlai Experimental Instrument Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-02-28
Anticipated expiration: 2032-10-28

Abstract

The utility model relates to a rotatory evaporimeter, including the evaporimeter body, one side of evaporimeter body is equipped with heating device, water level alarm device and elevating gear, water level alarm device includes floating block, guide bar, lower spacing piece, last spacing piece and adjustment mechanism, the floating block slip cap is established outside the guide bar, goes up spacing piece and sets up respectively in the top and the below of floating block with lower spacing piece, and all fixes the cover and establish outside the guide bar, adjustment mechanism and guide bar are connected, the utility model discloses in be provided with water level alarm device in detecting the container, when the water level descends, the floating block moves down on the guide bar, when it touches waterproof membrane switch, and the alarm switch-on is reported to the police, reminds the user to carry out the moisturizing, need not the user of service periodic observation water level, prevents that artificial error from leading to the water level low excessively, the phenomenon of anhydrous dry combustion method appears.

Description

Rotary evaporator

Technical Field

The utility model relates to a rotary evaporator technical field specifically is a rotary evaporator.

Background

The rotary evaporator is an evaporation device which drives an evaporation bottle to rotate in a water bath pot through a driving mechanism and improves evaporation efficiency. The evaporation bottle is at rotatory in-process, and the liquid film is formed to the liquid in the evaporation bottle on the bottle inner wall, and the increase surface area, and then improves evaporation efficiency. When the existing rotary evaporator is used, the existing rotary evaporator needs to be placed in a heating pot for water bath heating, but water in the heating pot can be evaporated into the air, so that the water level in the heating pot is reduced, the contact area between an evaporation bottle and heating water is reduced, the evaporation efficiency is reduced, and after the water in the heating pot is completely evaporated, the heating pot is in a water-free dry-burning state at the moment, the fire phenomenon is very easy to occur, certain potential safety hazards exist, so that the water level needs to be observed manually at regular intervals, and after the water level is reduced to the minimum value, water is supplemented into the heating pot, but the mode is time-consuming and labor-consuming, and needs to be observed manually frequently; in addition, the evaporation flask slope sets up in the aquatic of heating pot, when changing the evaporation flask, moves the evaporation flask downwards to one side, collides the heating pot inner wall easily, causes the evaporation flask to damage, and the distance between evaporation flask and the heating pot is nearer, is difficult for operating.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the problem that exists among the prior art, the utility model provides a rotary evaporator to solve the technical problem who mentions in the background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rotatory evaporimeter, includes the evaporimeter body, one side of evaporimeter body is equipped with heating device, water level alarm device and elevating gear, water level alarm device is including floating block, guide bar, lower spacing block, last spacing block and adjustment mechanism, floating block sliding sleeve establishes outside the guide bar, goes up spacing block and sets up respectively in the top and the below of floating block with lower spacing block, and just all fixes the cover and establish outside the guide bar, adjustment mechanism and guide bar are connected, heating device includes heating pot, heating container, detection container and connecting pipe, the heating pot sets up in one side of evaporimeter body, and heating container and detection container all set up in the heating pot, and the both ends of connecting pipe communicate with heating container and detection container respectively.

Preferably, elevating gear includes the mount, removes the frame, cuts formula crane, connecting rod and actuating mechanism, remove a parallel arrangement in the top of mount, cut the formula crane and be provided with two, two the both ends at the top of cutting the formula crane respectively with remove a sliding connection, two the both ends of the bottom of cutting the formula crane respectively with mount sliding connection, the connecting rod is provided with two, one of them the both ends of connecting rod respectively with two the one end of the bottom of cutting the formula crane is connected, another one the both ends of connecting rod respectively with two the other one end of the bottom of cutting the formula crane is connected, two the connecting rod all with actuating mechanism connects, is convenient for drive the heating pot and reciprocates.

In further preferred, adjustment mechanism includes adjusting sleeve, fixed clamp, activity clamp, screw rod and coupling nut, the bottom of guide bar slides and sets up in adjusting sleeve, fixed clamp and activity clamp cover are established outside the guide bar, and fixed clamp fixed mounting is at adjusting sleeve's upper surface, the one end and the fixed clamp of screw rod rotate to be connected, the other end and coupling nut threaded connection, the one end and the fixed clamp of activity clamp rotate to be connected, the other end be provided with screw rod complex lead to the groove, be convenient for adjust down the height of stopper.

In further preferred, actuating mechanism includes motor, lead screw, first removal seat and second and removes the seat, first removal seat and second remove the seat and rotate the cover respectively and establish two on the connecting rod, the both ends of lead screw all rotate with the mount and are connected, and the one end of lead screw and the output shaft of motor are connected, and first removal seat and second remove the seat and establish at the both ends of lead screw respectively threaded sleeve, and the screw thread opposite direction at lead screw both ends is convenient for drive and cuts formula crane and go up and down.

In further preferred, the upper surface of stopper is equipped with waterproof membrane switch down, and the outer wall of heating pot is equipped with the alarm, and electric connection between waterproof membrane switch and the alarm when the water level descends to the upper surface of stopper down below, reports to the police through the alarm.

In a further preferred mode, the top of the guide rod is provided with a threading cylinder, and the upper surface of the threading cylinder is higher than the upper surface of the detection container, so that the wire between the waterproof membrane switch and the alarm is prevented from being soaked in water.

In a further preferred mode, the bottom of the detection container is provided with a connecting column, and the bottom of the adjusting sleeve is in threaded connection with the outside of the connecting column, so that the adjusting sleeve can be conveniently mounted and dismounted.

In a further preferred mode, the guide rod is provided with a water tank, and the water pressure between the adjusting sleeve and the connecting column is kept consistent with the external water pressure.

Preferably in further, the bottom of mount is equipped with the fixing base, and the upper surface of fixing base is equipped with first protection casing, and the lower surface of heating pot is equipped with the second protection casing, and the second protection casing cover is established outside first protection casing, is convenient for shelter from and protect elevating gear.

(III) advantageous effects

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

1. the utility model discloses in be provided with water level alarm device in detecting the container, when the water level descends, the kicking block moves down on the guide bar, when it touches waterproof membrane switch, the alarm switch on, reports to the police, reminds the user to carry out the moisturizing, need not the user to regularly observe the water level, prevents that artifical error from leading to the water level low excessively, the phenomenon of anhydrous dry combustion method appears;

2. the utility model discloses in be provided with elevating gear below heating pot, when the evaporimeter body carries out the rotary evaporation, elevating gear drives heating pot upward movement, is convenient for heat the evaporimeter body, when the evaporimeter body need carry out the feeding ejection of compact, elevating gear drives heating pot downward movement, is convenient for manual operation to carry out feeding and ejection of compact;

3. the utility model discloses well guide bar is provided with adjustment mechanism outward, the height of spacing block under the adjustment of being convenient for, and then realizes adjusting the water level line of warning to the adjustment of lower water level height, and heating container and detection container part, and communicate through the connecting pipe, reduce the influence of the ripples of having taken up when the evaporimeter body is rotatory to water level alarm device precision.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the heating container and the detection container according to the present invention;

fig. 3 is a schematic structural view of the lifting device of the present invention;

FIG. 4 is a schematic view of the structure of the middle water level alarm device of the present invention;

fig. 5 is a schematic view of the connection structure of the middle guide rod, the fixed clamp and the movable clamp of the present invention.

In the figure: 1. an evaporator body; 2. floating blocks; 3. a guide rod; 4. a lower limiting block; 5. an upper limit block; 6. heating the pan; 7. heating the container; 8. detecting the container; 9. a connecting pipe; 10. a fixed mount; 11. a movable frame; 12. a scissor type lifting frame; 13. a connecting rod; 14. an adjustment sleeve; 15. fixing a clamp; 16. a movable clamp; 17. a screw; 18. connecting a nut; 19. a through groove; 20. a motor; 21. a lead screw; 22. a first movable base; 23. a second movable base; 24. a waterproof membrane switch; 25. an alarm; 26. threading a bobbin; 27. connecting columns; 28. a water tank; 29. a fixed seat; 30. a first shield; 31. a second shield.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-5, a rotary evaporator comprises an evaporator body 1, a heating device, a water level alarm device and a lifting device are arranged on one side of the evaporator body 1, the water level alarm device comprises a floating block 2, a guide rod 3, a lower limiting block 4, an upper limiting block 5 and an adjusting mechanism, the floating block 2 is slidably sleeved outside the guide rod 3, the upper limiting block 5 and the lower limiting block 4 are respectively arranged above and below the floating block 2 and are fixedly sleeved outside the guide rod 3, the adjusting mechanism is connected with the guide rod 3, the heating device comprises a heating pot 6, a heating container 7, a detection container 8 and a connecting pipe 9, the heating pot 6 is arranged on one side of the evaporator body 1, the heating container 7 and the detection container 8 are both arranged in the heating pot 6, and two ends of the connecting pipe 9 are respectively communicated with the heating container 7 and the detection container 8.

Referring to fig. 1-5, the lifting device comprises a fixed frame 10, a movable frame 11, two scissor type lifting frames 12, two connecting rods 13 and a driving mechanism, wherein the movable frame 11 is arranged above the fixed frame 10 in parallel, the two scissor type lifting frames 12 are arranged, the two ends of the tops of the two scissor type lifting frames 12 are respectively connected with the movable frame 11 in a sliding manner, the two ends of the bottoms of the two scissor type lifting frames 12 are respectively connected with the fixed frame 10 in a sliding manner, the two connecting rods 13 are arranged, the two ends of one connecting rod 13 are respectively connected with one ends of the bottoms of the two scissor type lifting frames 12, the two ends of the other connecting rod 13 are respectively connected with the other ends of the bottoms of the two scissor type lifting frames 12, and the two connecting rods 13 are both connected with the driving mechanism. The driving mechanism comprises a motor 20, a screw 21, a first moving seat 22 and a second moving seat 23, the first moving seat 22 and the second moving seat 23 are respectively rotatably sleeved on the two connecting rods 13, two ends of the screw 21 are respectively rotatably connected with the fixing frame 10, one end of the screw 21 is connected with an output shaft of the motor 20, the first moving seat 22 and the second moving seat 23 are respectively sleeved at two ends of the screw 21 in a threaded manner, and the thread directions of the two ends of the screw 21 are opposite. The bottom of mount 10 is equipped with fixing base 29, and the upper surface of fixing base 29 is equipped with first protection casing 30, and the lower surface of heating pot 6 is equipped with second protection casing 31, and second protection casing 31 cover is established outside first protection casing 30. When in use, the lifting device is arranged on the upper surface of the fixed seat 29, and is positioned in the first protective cover 30 and the second protective cover 31, the motor 20 is electrically connected with an external power supply, the power is supplied to the motor 20 by turning on the power supply, the motor 20 is started to drive the screw rod 21 to rotate, and further the first movable seat 22 and the second movable seat 23 are driven to be close to each other, the two ends of the bottom of the scissor-type lifting frame 12 are driven to be close to each other, the top of the scissor-type lifting frame 12 is driven to move upwards, the movable frame 11 is driven to move upwards, the heating pot 6 is driven to move upwards, the evaporator body 1 is driven to perform rotary evaporation in the heating container 7, when the evaporator body 1 needs to be fed and discharged, the motor 20 is reversely started, the first movable seat 22 and the second movable seat 23 are driven to be away from each other, and the movable frame 11 is driven to move downwards.

Referring to fig. 1-5, the adjusting mechanism includes an adjusting sleeve 14, a fixed clamp 15, a movable clamp 16, a screw 17 and a connecting nut 18, the bottom of the guiding rod 3 is slidably disposed in the adjusting sleeve 14, the fixed clamp 15 and the movable clamp 16 are sleeved outside the guiding rod 3, the fixed clamp 15 is fixedly mounted on the upper surface of the adjusting sleeve 14, one end of the screw 17 is rotatably connected with the fixed clamp 15, the other end of the screw is in threaded connection with the connecting nut 18, one end of the movable clamp 16 is rotatably connected with the fixed clamp 15, and the other end of the movable clamp 16 is provided with a through groove 19 matched with the screw 17. The bottom of the detection container 8 is provided with a connecting column 27, and the bottom of the adjusting sleeve 14 is in threaded connection with the outside of the connecting column 27. The guide rod 3 is provided with a water tank 28. When the adjusting sleeve 14 is screwed off from the connecting column 27 in use, when the adjusting sleeve 14 moves upwards, water in the detection container 8 enters between the adjusting sleeve 14 and the connecting column 27 through the water tank 28, the internal pressure and the external pressure are kept consistent, after the adjusting sleeve 14 is removed, the connecting nut 18 is unscrewed from the screw rod 17, the screw rod 17 is rotated to rotate out of the through groove 19, the movable clamp 16 is rotated outwards to open the movable clamp 16, the guide rod 3 is moved upwards or downwards to the correct position, when the movable clamp 16 is rotated, the screw rod 17 is rotated to move into the through groove 19, the connecting nut 18 is rotated to be screwed on the screw rod 17 until the connecting nut 18 is tightly attached to the movable clamp 16, and the movable clamp 16 and the fixed clamp 15 clamp the guide rod 3 to fix the guide rod 3 at the position.

Referring to fig. 1-5, the upper surface of the lower limiting block 4 is provided with a waterproof membrane switch 24, the outer wall of the heating pan 6 is provided with an alarm 25, and the waterproof membrane switch 24 is electrically connected with the alarm 25. The top of the guide rod 3 is provided with a threading cylinder 26, and the upper surface of the threading cylinder 26 is higher than the upper surface of the detection container 8. When using, to connect through the wire between waterproof membrane switch 24 and the alarm 25, and the wire is located threading section of thick bamboo 26, prevents that the wire from steeping in water, and alarm 25 and external power are connected, detect container 8 and heating container 7 and pass through connecting pipe 9 intercommunication, and when the water level in the heating container 7 descends, the water level in the detection container 8 also can descend, and the kicking block 2 moves down along guide bar 3, collides waterproof membrane switch 24 until kicking block 2, and alarm 25 circular telegram is reported to the police.

Example 2:

in conclusion, when the evaporator is used, the evaporator body 1 is installed on an external desktop, the lifting device is arranged on the upper surface of the fixed seat 29, and is located in the first protective cover 30 and the second protective cover 31, the motor 20 is electrically connected with an external power supply, the power is supplied to the motor 20 by turning on the power supply, the motor 20 is started to drive the screw 21 to rotate, the first movable seat 22 and the second movable seat 23 are further driven to approach each other, the two ends of the bottom of the scissor-type lifting frame 12 are driven to approach each other, the top of the scissor-type lifting frame 12 is driven to move upwards, the movable frame 11 is driven to move upwards, the heating pot 6 is driven to move upwards, the evaporator body 1 is driven to perform rotary evaporation in the heating container 7, when the evaporator body 1 needs to be fed and discharged, the motor 20 is reversely started, the first movable seat 22 and the second movable seat 23 are driven to move away from each other, and the movable frame 11 is driven to move downwards.

Example 3:

in summary, in use, the adjusting sleeve 14 is unscrewed from the connecting column 27, when the adjusting sleeve 14 moves upwards, water in the detection container 8 enters between the adjusting sleeve 14 and the connecting column 27 through the water tank 28, the internal and external pressures are kept consistent, after the adjusting sleeve 14 is removed, the connecting nut 18 is unscrewed from the screw rod 17, the screw rod 17 is rotated to rotate out from the through groove 19, the movable clamp 16 is rotated outwards to open the movable clamp 16, the guide rod 3 moves upwards or downwards to the correct position, when the movable clamp 16 is rotated, the screw rod 17 is rotated to move into the through groove 19, the connecting nut 18 is rotated to be screwed on the screw rod 17 until the connecting nut 18 and the movable clamp 16 are tightly attached, the movable clamp 16 and the fixed clamp 15 clamp the guide rod 3 to fix the guide rod 3 in the position, the waterproof membrane switches 24 and the alarm 25 are connected through the lead wires, and the lead wires are positioned in the lead-through barrel 26 to prevent the lead from being soaked in the water, the alarm 25 is connected with an external power supply, the detection container 8 and the heating container 7 are communicated through the connecting pipe 9, when the water level in the floating block 2 in the heating container 7 is lowered, the alarm 2 is also moved downwards, and the water level is detected, and the alarm block 2 is also lowered.

In all the above-mentioned solutions, the actual choice of welding, bolt and nut fit connection, bolt or screw connection or other known connection methods related to the connection between two components is not repeated herein, and all the references in the above are related to the fixed connection, and preferably considered to be welding, 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, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary evaporator, comprising an evaporator body (1), characterized in that: one side of evaporimeter body (1) is equipped with heating device, water level alarm device and elevating gear, water level alarm device includes floating block (2), guide bar (3), lower limiting block (4), last limiting block (5) and adjustment mechanism, floating block (2) slip cover is established outside guide bar (3), goes up limiting block (5) and sets up respectively in the top and the below of floating block (2) with lower limiting block (4), and all fixes the cover and establish outside guide bar (3), adjustment mechanism and guide bar (3) are connected, heating device includes heating pot (6), heating container (7), detection container (8) and connecting pipe (9), heating pot (6) set up in one side of evaporimeter body (1), and heating container (7) and detection container (8) all set up in heating pot (6), and the both ends of connecting pipe (9) communicate with heating container (7) and detection container (8) respectively.

2. A rotary evaporator according to claim 1, wherein: elevating gear includes mount (10), removes frame (11), cuts formula crane (12), connecting rod (13) and actuating mechanism, remove frame (11) parallel arrangement in the top of mount (10), cut formula crane (12) and be provided with two, two the both ends of cutting the top of formula crane (12) respectively with remove frame (11) sliding connection, two the both ends of cutting the bottom of formula crane (12) respectively with mount (10) sliding connection, connecting rod (13) are provided with two, one of them the both ends of connecting rod (13) respectively with two the one end of cutting the bottom of formula crane (12) is connected, another one the both ends of connecting rod (13) respectively with two the other one end of the bottom of cutting formula crane (12) is connected, two connecting rod (13) all with actuating mechanism connects.

3. A rotary evaporator according to claim 1 wherein: adjustment mechanism includes adjusting sleeve (14), fixed clamp (15), activity clamp (16), screw rod (17) and coupling nut (18), the bottom of guide bar (3) slides and sets up in adjusting sleeve (14), fixed clamp (15) and activity clamp (16) cover are established outside guide bar (3), and fixed clamp (15) fixed mounting is at the upper surface of adjusting sleeve (14), the one end and the fixed clamp (15) of screw rod (17) rotate to be connected, the other end and coupling nut (18) threaded connection, the one end and the fixed clamp (15) of activity clamp (16) rotate to be connected, the other end is provided with and leads to groove (19) with screw rod (17) complex.

4. A rotary evaporator according to claim 2 wherein: actuating mechanism includes motor (20), lead screw (21), first removal seat (22) and second removal seat (23), first removal seat (22) and second remove seat (23) and rotate the cover respectively and establish two on connecting rod (13), the both ends of lead screw (21) all rotate with mount (10) and be connected, and the output shaft of the one end of lead screw (21) and motor (20), and first removal seat (22) and second remove seat (23) and establish at the both ends of lead screw (21) at threaded sleeve respectively, and the screw thread opposite direction at lead screw (21) both ends.

5. A rotary evaporator according to claim 1, wherein: the upper surface of lower stopper (4) is equipped with waterproof membrane switch (24), and the outer wall of heating pot (6) is equipped with alarm (25), electric connection between waterproof membrane switch (24) and alarm (25).

6. A rotary evaporator according to claim 5 wherein: the top of guide bar (3) is equipped with threading section of thick bamboo (26), and the upper surface of threading section of thick bamboo (26) is higher than the upper surface that detects container (8).

7. A rotary evaporator according to claim 3 wherein: the bottom of the detection container (8) is provided with a connecting column (27), and the bottom of the adjusting sleeve (14) is in threaded connection with the outside of the connecting column (27).

8. A rotary evaporator according to claim 7 wherein: a water tank (28) is arranged on the guide rod (3).

9. A rotary evaporator according to claim 2 wherein: the bottom of mount (10) is equipped with fixing base (29), and the upper surface of fixing base (29) is equipped with first protection casing (30), and the lower surface of heating pot (6) is equipped with second protection casing (31), and second protection casing (31) cover is established outside first protection casing (30).