Rotary evaporation device

Abstract

The utility model provides a rotary evaporation device, which relates to the technical field of rotary evaporation devices, and comprises a base, a heating box arranged on the base, a distiller arranged in the heating box, a connecting block arranged on the base, a central shaft arranged on the connecting block, a lifting frame movably connected with the connecting block through the central shaft, a connecting shaft arranged on the inner side of the lifting frame, and a rotating shaft arranged on the connecting shaft. The lifting frame is movably connected with a pushing rod through a connecting shaft, rotating cylinders are installed on the two sides of the heating box, connecting cylinders are installed on the rotating cylinders, extending pieces are arranged on the side faces of the connecting cylinders, and connecting columns are installed on the lower portions of the extending pieces. The lifting frame can drive the pushing rod to move through the connecting shaft, the pushing rod can push the extending piece and the connecting cylinder to move through the connecting column, at the moment, the connecting cylinder drives the rotating cylinder to rotate, then the distiller is driven to rotate, most of the distiller can enter heating liquid, and preheating can be well conducted.

Description

TECHNICAL FIELD

[0001] The utility model belongs to rotary evaporation device technical field, more specifically, it is especially related to a rotary evaporation device. BACKGROUND

[0002] Rotary evaporator, also called rotary evaporator, is a kind of evaporation instrument widely used in laboratory, which is composed of motor, distillation flask, heating pot, condenser tube and other parts, mainly used for continuous distillation under reduced pressure of volatile solvent, applied in chemical, chemical, biological medicine and other fields, rotary evaporator can be used to recover, evaporate organic solvent. It is driven by a motor to rotate the distillation flask, and the distillation apparatus can be prevented from boiling by adding boiling stone.

[0003] Based on the above, the inventor found that the following problems exist: the rotary evaporation device used at present is generally in contact with the heating liquid in the lower part of the distillation apparatus and the heating liquid in the heating pot, first, the upper part of the distillation apparatus needs to be preheated before the distillation effect can be achieved, and this preheating is completed by gradually transferring heat from the lower part of the distillation flask to the upper part, which is more troublesome and causes a certain amount of heat loss, which is not conducive to improving the overall heating efficiency.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a rotary evaporation device is provided to achieve a more practical purpose. INVENTION CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a kind of rotary evaporation device, to solve the preheating of present time is through the lower part of distillation flask gradually transfers heat to upper part can be completed, it is more troublesome, can cause a certain amount of heat loss, it is not conducive to improving the overall heating efficiency problem.

[0006] The purpose and function of the rotary evaporation device of the utility model are achieved by the following specific technical means:

[0007] A kind of rotary evaporation device, including base, the base is provided with heating box, the inside of the heating box is provided with distillation apparatus, the base is installed with connecting block, the connecting block is installed with center shaft, the connecting block is movably connected with lifting frame by center shaft, the inner side of the lifting frame is installed with connecting shaft, the lifting frame is movably connected with push rod by connecting shaft, the both sides of the heating box are installed with rotary cylinder, the rotary cylinder is installed with connecting cylinder, the side of the connecting cylinder is provided with extension piece, the lower part of the extension piece is installed with connecting column.

[0008] Further, the upper end of the push rod is provided with a connecting hole, the diameter of the connecting column and the diameter of the connecting hole are matched, and the connecting column is inserted into the inside of the connecting hole.

[0009] Further, the middle part of the connecting cylinder and the rotating cylinder is hollow, a condenser pipe is arranged through the middle part of the connecting cylinder and the rotating cylinder, one end of the condenser pipe is connected with the distiller, the other end of the condenser pipe is connected with a distillation bottle, a base plate is arranged on the base, and the distillation bottle is arranged on the base plate.

[0010] Further, an extension plate is arranged on the lifting frame, a pushing wheel is arranged on the lower part of the extension plate, a fixing frame is arranged on the lower part of the base, and a cam is rotatably arranged on the inner side of the fixing frame.

[0011] Further, the protruding part of the cam gradually contacts the pushing wheel when the cam rotates, a driving motor is connected with the middle part of the cam, the output end of the driving motor is connected with the cam, and the driving motor is connected with the fixing frame.

[0012] Further, a cushion block is arranged on the base, the two sides of the lifting frame are arranged on the cushion block, connecting rods are arranged on the two sides of the distiller, and the condenser pipe is connected with the inside of the distiller through the connecting rods.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] In the utility model, the lifting frame can drive the pushing rod to move through the connecting shaft, the pushing rod can drive the extension piece and the connecting cylinder to move through the connecting column, the connecting cylinder drives the rotating cylinder to rotate at this time, and then drives the distiller to rotate, most of the distiller can enter the heating liquid, and the preheating can be better.

[0015] In the utility model, the protruding part of the cam gradually contacts the pushing wheel when the cam rotates, the extension plate can be lifted through the pushing wheel at this time, the lifting frame moves around the central shaft at this time, the distiller rotates, the protruding part of the cam gradually separates from the pushing wheel at this time, the lifting frame falls on the cushion block at this time, and the distiller reversely rotates, the preheating process of the distiller can be accelerated, the distillation efficiency can be improved through distillation. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall assembly schematic view of the utility model of a kind of rotary evaporation device.

[0017] Figure 2 It is the overall overhead schematic view of the utility model of a kind of rotary evaporation device.

[0018] Figure 3 It is the enlarged schematic view of A of the utility model of a kind of rotary evaporation device.

[0019] Figure 4 It is the enlarged schematic view of B of the utility model of a kind of rotary evaporation device.

[0020] In the drawings, the correspondence between the component names and the reference numerals is as follows:

[0021] 1, base; 2, heating box; 3, rotating cylinder; 4, connecting rod; 5, distiller; 6, pad plate; 7, connecting block; 8, center shaft; 9, lifting frame; 10, connecting shaft; 11, pushing rod; 12, connecting cylinder; 13, through hole; 14, extension piece; 15, connecting column; 16, condenser tube; 17, distillation flask; 18, pad block; 19, extension plate; 20, pushing wheel; 21, fixing frame; 22, cam; 23, driving motor. DETAILED DESCRIPTION

[0022] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0023] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment:

[0026] As shown in the accompanying drawings Figure 1 to the accompanying drawings Figure 4 as shown:

[0027] The utility model provides a kind of rotary evaporation device, including base 1, heating box 2 is provided on base 1, the inside of heating box 2 is provided with distiller 5, connecting block 7 is installed on base 1, connecting block 7 is installed with central shaft 8, connecting block 7 is movably connected with lifting frame 9 by central shaft 8, the inside of lifting frame 9 is installed with connecting shaft 10, lifting frame 9 is movably connected with push rod 11 by connecting shaft 10, the both sides of heating box 2 are installed with rotary cylinder 3, connecting cylinder 12 is installed on rotary cylinder 3, the side of connecting cylinder 12 is provided with extension piece 14, connecting column 15 is installed in the lower part of extension piece 14, the upper end of push rod 11 is provided with connecting hole, the diameter of connecting column 15 and the diameter of connecting hole are compatible, connecting column 15 is inserted into the inside of connecting hole, lifting frame 9 can drive push rod 11 to move by connecting shaft 10, push rod 11 can drive extension piece 14 and connecting cylinder 12 to move by connecting column 15, connecting cylinder 12 drives rotary cylinder 3 to rotate at this time, then drive distiller 5 to rotate, can make most of distiller 5 enter into heating liquid, can better preheat.

[0028] Wherein, the middle part of connecting cylinder 12 and rotary cylinder 3 is provided with through hole 13, connecting cylinder 12 and rotary cylinder 3 are provided with condenser tube 16, one end of condenser tube 16 is connected with distiller 5, the other end of condenser tube 16 is connected with distilling flask 17, base 1 is installed with backing plate 6, distilling flask 17 is located on backing plate 6.

[0029] Wherein, lifting frame 9 is installed with extension plate 19, push wheel 20 is installed in the lower part of extension plate 19, the lower part of base 1 is installed with fixed frame 21, the inside of fixed frame 21 is rotatably installed with cam 22, when cam 22 rotates, its protruding part can gradually contact with push wheel 20, the middle part of cam 22 is connected with driving motor 23, the output end of driving motor 23 is connected with cam 22, driving motor 23 is connected to fixed frame 21, base 1 is installed with cushion block 18, the both sides of lifting frame 9 are located on cushion block 18, the both sides of distiller 5 are provided with connecting rod 4, condenser tube 16 is connected to the inside of distiller 5 by connecting rod 4, when cam 22 rotates by driving motor 23, its protruding part gradually contacts with push wheel 20, extension plate 19 can be lifted by push wheel 20, at this time, extension plate 19 drives lifting frame 9 to move around central shaft 8.

[0030] The specific use mode and effect of the embodiment:

[0031] The utility model discloses, first, the distillation liquid flows into the distiller 5, then starts drive motor 23, drives cam 22 to rotate through drive motor 23, when cam 22 rotates, its convex portion gradually and push wheel 20 contact, can push extension plate 19 to lift through push wheel 20, at this time, extension plate 19 drives lifting frame 9 to move with center axis 8 as center, lifting frame 9 can drive push rod 11 to move through connecting shaft 10, push rod 11 can drive extension piece 14 and connecting cylinder 12 to move through connecting column 15, at this time, connecting cylinder 12 drives rotary cylinder 3 to rotate, then drives distiller 5 to rotate, can make most of distiller 5 enter the heating liquid, can better preheat, when rotates to certain angle, the convex portion of cam 22 gradually and push wheel 20 separate, at this time, lifting frame 9 falls back to the cushion block 18, so reciprocating, distiller 5 reciprocating rotation can speed up the preheating process of distiller 5, through distillation, can improve the efficiency of distillation.

[0032] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the application, the practical application, and to enable others skilled in the art to understand the application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A rotary evaporation apparatus, characterized by: The utility model provides a distillation device, including base (1), be provided with heating box (2) on base (1), the inside of heating box (2) is provided with retort (5), be installed with connecting block (7) on base (1), be installed with center shaft (8) on connecting block (7), connecting block (7) is swingly connected with lifting frame (9) through center shaft (8), the inner side of lifting frame (9) is installed with connecting shaft (10), lifting frame (9) is swingly connected with push rod (11) through connecting shaft (10), both sides of heating box (2) are installed with rotary cylinder (3), be installed with connecting cylinder (12) on rotary cylinder (3), the side of connecting cylinder (12) is provided with extension piece (14), the lower part of extension piece (14) is installed with connecting column (15).

2. A rotary evaporation apparatus as claimed in claim 1, characterized in that: The upper end of the push rod (11) is provided with a connecting hole, the diameter of the connecting column (15) and the diameter of the connecting hole are matched, and the connecting column (15) is inserted into the connecting hole.

3. The rotary evaporator of claim 1, wherein: The middle part of the connecting cylinder (12) and the rotary cylinder (3) is provided with a through hole (13), and the middle part of the connecting cylinder (12) and the rotary cylinder (3) is provided with a condenser tube (16), one end of the condenser tube (16) is connected with the retort (5), the other end of the condenser tube (16) is connected with a distillation flask (17), the base (1) is installed with a backing plate (6), and the distillation flask (17) is located on the backing plate (6).

4. The rotary evaporator of claim 1, wherein: The lifting frame (9) is installed with an extension plate (19), the lower part of the extension plate (19) is installed with a push wheel (20), the lower part of the base (1) is installed with a fixing frame (21), and the inner side of the fixing frame (21) is rotatably installed with a cam (22).

5. A rotary evaporator as claimed in claim 4, wherein: When the cam (22) rotates, the protruding part thereof can gradually contact the push wheel (20), the middle part of the cam (22) is connected with a drive motor (23), the output end of the drive motor (23) is connected with the cam (22), and the drive motor (23) is connected to the fixing frame (21).

6. A rotary evaporator as claimed in claim 3, wherein: The base (1) is installed with a cushion block (18), the two sides of the lifting frame (9) are located on the cushion block (18), the two sides of the retort (5) are provided with a connecting rod (4), and the condenser tube (16) is connected to the inside of the retort (5) through the connecting rod (4).

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