CN219185863U

CN219185863U - Rotary evaporator

Info

Publication number: CN219185863U
Application number: CN202320230379.XU
Authority: CN
Inventors: 张小顺; 陈恩花
Original assignee: Shanghai Xuanyu Pharmaceutical Technology Co ltd
Current assignee: Shanghai Xuanyu Pharmaceutical Technology Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-06-16
Anticipated expiration: 2033-02-16

Abstract

The utility model provides a rotary evaporator, which comprises a machine base, wherein an assembly part is arranged on one side of the top end of the machine base, a driving motor is arranged on the side surface of the assembly part, an evaporation assembly is arranged at one end of the assembly part, a condenser is arranged at the other end of the assembly part, a mounting assembly is arranged at the bottom end of the condenser, a collecting bottle for storing evaporation liquid is arranged at the bottom of the mounting assembly, and a water bath pot for heating and evaporating is arranged on one side of the machine base; the evaporation assembly comprises an evaporation tank and a flow stirring ring. According to the utility model, the flow stirring ring with the drainage groove is arranged on the evaporation tank, when the evaporation tank is rotationally heated in the water bath, the flow stirring ring can stir heat source liquid in the water bath, so that the influence of air on the heat source cooling by the evaporation tank is reduced, the temperature stability of the heat source liquid in the water bath, which is contacted with the evaporation tank, is ensured, and meanwhile, the evaporation tank is insulated by matching with the baffle cover covered above the evaporation tank, so that the rotary evaporator is more stable in solvent evaporation and better in effect.

Description

Rotary evaporator

Technical Field

The utility model relates to the technical field of chemical experiment equipment, in particular to a rotary evaporator.

Background

The rotary evaporator is also called a rotary evaporator, is commonly used in a laboratory, is commonly used for continuously distilling volatile solvents, is applied to the fields of chemistry, chemical industry, biological medicine and the like, is suitable for reflux operation, rapid evaporation of a large amount of solvents, concentration of trace components and the like, and adopts the principle that an evaporation tank is placed in a water bath kettle to be heated and rotated at constant temperature, and solution in the evaporation tank is heated, diffused and evaporated in the evaporation tank;

when the traditional rotary evaporator is used, the evaporating pot filled with the solvent is obliquely arranged in the water bath, and the evaporating pot in the water bath contacts with a heat source (hot water) in the water bath and simultaneously rotates in the water bath at a constant speed; however, when the evaporation tank rotates in the water bath, the outer side of the evaporation tank is usually smooth, heat source liquid in the water bath, which is in contact with the evaporation tank, usually flows less, and meanwhile, the upper part of the water bath is usually open, so that after the heat source liquid heats the evaporation tank for a long time, the temperature of the heat source liquid in the water bath is not uniform easily, and the temperature of the evaporation tank in the air drops too quickly, so that the rapid evaporation of the solvent by the evaporation tank is inconvenient.

In summary, there is a need for a rotary evaporator that facilitates maintaining the evaporating temperature of the evaporator tank.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a rotary evaporator, which solves the problems in the background art.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the rotary evaporator comprises a machine base, wherein an assembly part is arranged on one side of the top end of the machine base, a driving motor is arranged on the side face of the assembly part, an evaporation assembly is arranged at one end of the assembly part, a condenser is arranged at the other end of the assembly part, a mounting assembly is arranged at the bottom end of the condenser, a collecting bottle for storing evaporation liquid is arranged at the bottom of the mounting assembly, and a water bath kettle for heating and evaporating is arranged on one side of the machine base;

the evaporation assembly comprises an evaporation tank and a flow stirring ring, one end of the evaporation tank is connected with the assembly, the flow stirring ring is arranged on the outer side of the evaporation tank and is in inclined arrangement, an induced flow groove is formed in the outer side of the flow stirring ring, and the induced flow groove is in annular arrangement on the outer side of the flow stirring ring.

Further, water bath one side is equipped with the connecting block, the connecting block inboard is equipped with the connecting rod, connecting rod one end is connected with the connecting block, the connecting rod other end is equipped with keeps off the lid, keep off the lid and correspond the setting with the connecting rod, keep off lid, connecting rod and be equipped with two sets of.

Further, the baffle cover is arc-shaped, and the connecting rod and the connecting block are in spherical clamping rotation.

Further, the blocking cover has two states of connection and separation:

the connection state is as follows: the baffle covers are positioned above the evaporation tank, and the inner sides of the two baffle covers are in fit contact;

in the separated state: the baffle covers are separated from each other and are positioned on two sides of the water bath kettle.

Further, the installation component includes installation piece, connection elastic tube, first fixed block, second fixed block and movable block, the condenser bottom is located to the installation piece, installation piece middle part bottom surface is equipped with connection elastic tube, the installation piece bottom surface is equipped with first fixed block and second fixed block, first fixed block is relative setting with the second fixed block, first fixed block, second fixed block top surface are equipped with the movable block, the movable block slides with the installation block joint.

Further, the collecting bottle top is equipped with the installation bottle neck, installation bottle neck top is the outward expansion structure of reverse L shape, installation bottle neck inboard corresponds the block with connecting elastic tube bottom.

Further, the middle parts of the first fixed block and the second fixed block are provided with grooves which are clamped with the bottle mouth, the side surface of the first fixed block is provided with a rubber inserting block, the side surface of the second fixed block is provided with a fixed socket, and the rubber inserting block is tightly clamped with the fixed socket.

The utility model provides a rotary evaporator. Compared with the prior art, the device comprises the following components

The beneficial effects are that:

utilize the base to support the reation kettle under the vertical state, utilize the side base to support the reation kettle under the horizontal state to satisfy the needs of two kinds of states of horizontal transportation, vertical hoist and mount, the base can also protect row material pipe, avoids following the horizontal adjustment to vertical in-process, row material pipe touchdown.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic structural view of a rotary evaporator of the present utility model;

FIG. 2 shows a schematic side view of the overall structure of the present utility model;

fig. 3 shows a schematic view of the structure of the flap of the present utility model;

FIG. 4 shows a schematic structural view of the mounting assembly of the present utility model;

FIG. 5 shows a schematic view of the separating structure of the collecting bottle and the mounting assembly of the present utility model;

FIG. 6 is an enlarged schematic view of the structure of FIG. 2A in accordance with the present utility model;

the figure shows: 1. a base; 2. an assembly; 21. a driving motor; 22. a condenser;

3. a water bath kettle; 31. a connecting block; 32. a connecting rod; 33. a blocking cover; 4. an evaporation assembly; 41. an evaporation tank; 42. a dial ring; 421. drainage grooves; 5. a mounting assembly; 51. a mounting block; 52. connecting an elastic cylinder; 53. a first fixed block; 531. a rubber insert; 54. a second fixed block; 541. a fixed socket; 55. a movable block; 6. a collection bottle; 61. and installing a bottle mouth.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model are clearly and completely described, and it is obvious that the described embodiments are 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.

Example 1

In order to solve the technical problems in the background art, a rotary evaporator is provided as follows:

referring to fig. 1-6, the rotary evaporator provided by the utility model comprises a machine base 1, wherein an assembly 2 is arranged on one side of the top end of the machine base 1, a driving motor 21 is arranged on the side surface of the assembly 2, an evaporation assembly 4 is arranged at one end of the assembly 2, a condenser 22 is arranged at the other end of the assembly 2, a mounting assembly 5 is arranged at the bottom end of the condenser 22, a collecting bottle 6 for storing evaporation liquid is arranged at the bottom of the mounting assembly 5, and a water bath 3 for heating and evaporating is arranged on one side of the machine base 1;

the evaporation assembly 4 comprises an evaporation tank 41 and a flow stirring ring 42, one end of the evaporation tank 41 is connected with the assembly 2, the flow stirring ring 42 is arranged at the outer side of the evaporation tank 41, the flow stirring ring 42 is obliquely arranged, a drainage groove 421 is arranged at the outer side of the flow stirring ring 42, and the drainage groove 421 is arranged at the outer side of the flow stirring ring 42 in a circular row; the design of the flow stirring ring 42 is convenient for stirring the heat source liquid in the water bath 3, so that the temperature of the heat source liquid in the water bath 3 is more uniform;

in this embodiment, a connecting block 31 is disposed on one side of the water bath 3, a connecting rod 32 is disposed on the inner side of the connecting block 31, one end of the connecting rod 32 is connected with the connecting block 31, a blocking cover 33 is disposed on the other end of the connecting rod 32, the blocking cover 33 is disposed corresponding to the connecting rod 32, two groups of blocking covers 33 and connecting rods 32 are disposed, the blocking covers 33 are arc-shaped, and the connecting rod 32 and the connecting block 31 are in spherical clamping rotation; the arc-shaped baffle cover 33 can cover the upper part of the evaporation tank 41 for heat insulation;

the cover 33 has two states of connection and disconnection: the connection state is as follows: the baffle covers 33 are positioned above the evaporation tank 41, and the inner sides of the two baffle covers 33 are in fit contact; in the separated state: the baffle covers 33 are separated from each other, and the baffle covers 33 are positioned at two sides of the water bath kettle 3; the baffle cover 33 in the connection state is used for insulating the evaporation tank 41, and in the separation state, the evaporation tank 41 is convenient to take and place from the water bath 3;

when the rotary evaporator is used, firstly, a solvent to be evaporated is put into an evaporation tank 41, the evaporation tank 41 filled with the solvent can rotate in a water bath 3, the evaporation tank 41 is contacted with heat source liquid in the water bath 3, the solvent in the evaporation tank 41 can be evaporated into gas, the gas can pass through an assembly 2 and enter a condenser 22 to be cooled into liquid, and the cooled evaporation liquid can flow downwards and fall into a collecting bottle 6;

through evaporation pot 41 have the dial flow ring 42 of drainage groove 421, when evaporation pot 41 rotates in water bath 3 and is heated, dial flow ring 42 can stir the heat source liquid in the water bath 3, reduce the influence that the air produced the heat source cooling to evaporation pot 41, guarantee the temperature stability of the heat source liquid in water bath 3 and evaporation pot 41 contact, cooperate the shielding lid 33 of lid in evaporation pot 41 top simultaneously to carry out the heat preservation to evaporation pot 41, and then make this rotary evaporator more stable to the evaporation of solvent, the effect is better.

Example two

As shown in fig. 1 to 5, on the basis of the above embodiment, the present embodiment further provides the following:

the installation assembly 5 comprises an installation block 51, a connecting elastic cylinder 52, a first fixed block 53, a second fixed block 54 and a movable block 55, wherein the installation block 51 is arranged at the bottom end of the condenser 22, the connecting elastic cylinder 52 is arranged on the bottom surface of the middle part of the installation block 51, the first fixed block 53 and the second fixed block 54 are arranged on the bottom surface of the installation block 51, the first fixed block 53 and the second fixed block 54 are oppositely arranged, the movable block 55 is arranged on the top surfaces of the first fixed block 53 and the second fixed block 54, and the movable block 55 and the installation block 51 are clamped and slide;

in this embodiment, the top end of the collecting bottle 6 is provided with a mounting bottle mouth 61, the top end of the mounting bottle mouth 61 is in an inverted L-shaped expanding structure, and the inner side of the mounting bottle mouth 61 is correspondingly clamped with the bottom of the connecting elastic tube 52; a mounting bottle mouth 61 engaged with the connecting elastic tube 52 so as to tightly connect the collection bottle 6 with the mounting block 51;

the middle parts of the first fixed block 53 and the second fixed block 54 are provided with grooves which are clamped with the bottle mouth 61, the side surface of the first fixed block 53 is provided with a rubber insert 531, the side surface of the second fixed block 54 is provided with a fixed socket 541, and the rubber insert 531 is tightly clamped with the fixed socket 541;

when the collecting bottle 6 is installed, the first fixing block 53 and the second fixing block 54 which slide through the clamping of the bottom surface of the installation block 51 are inserted into the installation bottle mouth 61, and the first fixing block 53 and the second fixing block 54 can slide inwards to be connected with the installation bottle mouth 61 in a clamping way, and the first fixing block 53 and the second fixing block 54 which are clamped with the installation bottle mouth 61 can clamp and support the installation bottle mouth 61, so that the collecting bottle 6 of the rotary evaporator is more convenient and more compact to replace.

The working principle and the using flow of the utility model are as follows:

when in use:

firstly, injecting a solvent to be evaporated into an evaporation tank 41, at the moment, driving the evaporation tank 41 to rotate in a water bath 3 by a driving motor 21, and heating a heat source liquid heated in the water bath 3 continuously contacts with the evaporation tank 41 to heat, at the moment, a flow stirring ring 42 outside the evaporation tank 41 also rotates in the water bath 3, and the flow stirring ring 42 contacted with the heat source liquid can stir the heat source liquid in the water bath 3 under the action of a drainage groove 421 arranged outside the flow stirring ring, so that the temperature of the heat source liquid in the water bath 3 is more uniform;

then the two baffle covers 33 are rotated to the upper part of the evaporation tank 41, the baffle covers 33 can reduce the influence of the outside on the temperature of the evaporation tank 41 to a certain extent, then the solvent in the evaporation tank 41 is evaporated into gas after being heated continuously, the gas passes through the assembly 2 and enters the condenser 22 to be cooled into liquid, and the cooled evaporated liquid flows downwards and falls into the collecting bottle 6;

when liquid is collected:

when the liquid in the collecting bottle 6 is collected to a certain extent and needs to be replaced, the collecting bottle 6 is supported, the first fixing block 53 and the second fixing block 54 which are mutually clamped are pulled towards two sides, after the first fixing block 53 and the second fixing block 54 move outwards on the bottom surface of the mounting block 51, the mounting bottle mouth 61 is separated from the first fixing block 53 and the second fixing block 54, and the mounting bottle mouth 61 sleeved outside the connecting elastic tube 52 can be downwards moved together with the collecting bottle 6 filled with the liquid and separated from the mounting assembly 5;

when the collecting bottle 6 is installed, the installing bottle mouth 61 at the top of the empty collecting bottle 6 is sleeved outside the connecting elastic tube 52 to be clamped, then the first fixing block 53 and the second fixing block 54 at two sides are inwards pushed to be connected and clamped, and at the moment, the middle parts of the first fixing block 53 and the second fixing block 54 are clamped with the installing bottle mouth 61 to fix the collecting bottle 6 below the installing assembly 5 to be collected and used.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A rotary evaporator, characterized in that: the device comprises a machine base (1), wherein an assembly part (2) is arranged on one side of the top end of the machine base (1), a driving motor (21) is arranged on the side face of the assembly part (2), an evaporation assembly (4) is arranged at one end of the assembly part (2), a condenser (22) is arranged at the other end of the assembly part (2), an installation assembly (5) is arranged at the bottom end of the condenser (22), a collecting bottle (6) for storing evaporation liquid is arranged at the bottom of the installation assembly (5), and a water bath pot (3) for heating and evaporating is arranged on one side of the machine base (1);

the evaporation assembly (4) comprises an evaporation tank (41) and a flow stirring ring (42), one end of the evaporation tank (41) is connected with the assembly (2), the flow stirring ring (42) is arranged on the outer side of the evaporation tank (41), the flow stirring ring (42) is obliquely arranged, a drainage groove (421) is formed in the outer side of the flow stirring ring (42), and the drainage groove (421) is arranged in a circular row on the outer side of the flow stirring ring (42).

2. A rotary evaporator according to claim 1 wherein: the water bath (3) one side is equipped with connecting block (31), connecting block (31) inboard is equipped with connecting rod (32), connecting rod (32) one end is connected with connecting block (31), the connecting rod (32) other end is equipped with keeps off lid (33), keep off lid (33) and connecting rod (32) correspond the setting, keep off lid (33), connecting rod (32) are equipped with two sets of.

3. A rotary evaporator according to claim 2 wherein: the blocking cover (33) is arc-shaped, and the connecting rod (32) and the connecting block (31) are in spherical clamping rotation.

4. A rotary evaporator according to claim 3 wherein: the blocking cover (33) has two states of connection and separation:

the connection state is as follows: the baffle covers (33) are arranged above the evaporation tanks (41), and the inner sides of the two baffle covers (33) are in fit contact;

in the separated state: the baffle covers (33) are separated from each other, and the baffle covers (33) are positioned at two sides of the water bath kettle (3).

5. A rotary evaporator according to claim 4 wherein: the installation component (5) is including installation piece (51), connection elasticity section of thick bamboo (52), first fixed block (53), second fixed block (54) and movable block (55), condenser (22) bottom is located to installation piece (51), installation piece (51) middle part bottom surface is equipped with connection elasticity section of thick bamboo (52), installation piece (51) bottom surface is equipped with first fixed block (53) and second fixed block (54), first fixed block (53) are relative setting with second fixed block (54), first fixed block (53), second fixed block (54) top surface is equipped with movable block (55), movable block (55) and installation piece (51) block slip.

6. A rotary evaporator according to claim 1 wherein: the collecting bottle is characterized in that a mounting bottle nozzle (61) is arranged at the top end of the collecting bottle (6), the top end of the mounting bottle nozzle (61) is of an inverted-L-shaped outward expansion structure, and the inner side of the mounting bottle nozzle (61) is correspondingly clamped with the bottom of the connecting elastic tube (52).

7. A rotary evaporator according to claim 5 wherein: the bottle neck fixing device is characterized in that grooves which are clamped with the bottle neck (61) are formed in the middle of the first fixing block (53) and the middle of the second fixing block (54), rubber inserting blocks (531) are arranged on the side faces of the first fixing block (53), fixing inserting holes (541) are formed in the side faces of the second fixing block (54), and the rubber inserting blocks (531) are tightly clamped with the fixing inserting holes (541).