CN214260730U

CN214260730U - Rotary evaporator for concentration preparation of difluoro maleic anhydride

Info

Publication number: CN214260730U
Application number: CN202023062952.6U
Authority: CN
Inventors: 刘亮
Original assignee: Shanghai Fluoking New Material Tech Co ltd
Current assignee: Shanghai Fluoking New Material Tech Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-09-24
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a rotatory evaporimeter is used in concentrated preparation of difluoro maleic anhydride, including base, workstation, third shell and installation loop bar, first shell is installed at the base top, electric putter is all installed at bottom both ends in the first shell, the second shell is installed at the electric putter top, the workstation is installed at second shell top, third shell is installed to workstation top liquid bath one side, the threaded rod is installed in the transmission room rotation, it installs the transmission loop bar to rotate on the threaded rod, the installation pole is installed to the opposite side of transmission loop bar, the installation loop bar is installed to installation rod end portion. The utility model discloses an install electric putter in first shell, stretch out and draw back the height of adjustable workstation through electric putter to adapt to this rotary evaporator height to the staff, avoid having certain limitation because of fixed instrument leads to, the effectual convenience that improves this rotary evaporator.

Description

Rotary evaporator for concentration preparation of difluoro maleic anhydride

Technical Field

The utility model relates to a difluoro maleic anhydride concentration preparation technical field specifically is a rotatory evaporimeter is used in concentrated preparation of difluoro maleic anhydride.

Background

A rotary evaporator, also called a rotary evaporator, is common equipment in a laboratory, and is characterized in that a distillation flask rotates at a constant speed through electronic control to increase the evaporation area, then the distillation flask is in a negative pressure state through a vacuum pump, the distillation flask is rotated and simultaneously placed in a liquid pool for constant temperature heating, and solution in the flask is heated, diffused and evaporated in the rotary flask under the negative pressure.

The existing rotary evaporator has the following defects:

1. most of the existing rotary evaporators adopt a fixed structure, the height of the whole working device cannot be adjusted, and certain limitations exist;

2. most of the existing rotary evaporators adjust the installation loop bars by rotating knobs of workers, so that the rotary evaporators have low assistance to the workers;

3. the existing rotary evaporator is poor in heat dissipation function, the rotary evaporator can be overheated due to long-time work, the service life is shortened, and therefore the rotary evaporator for the concentration preparation of the difluoro maleic anhydride is provided for solving the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotatory evaporimeter is used in concentrated preparation of difluoro maleic anhydride to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary evaporator for preparing difluoromaleic anhydride through concentration comprises a base, a workbench, a third shell and an installation sleeve rod, wherein the first shell is installed at the top of the base, electric push rods are installed at two ends of the bottom in the first shell, the second shell is installed at the top of the electric push rods, the workbench is installed at the top of the second shell, a liquid pool is arranged on one side of the top of the workbench, a mounting frame is installed on one side of the workbench, a heat dissipation fan is installed on the mounting frame, the third shell is installed on one side of the liquid pool at the top of the workbench, an opening is formed in one side of the third shell, a power chamber is arranged in the third shell close to the top, a motor is installed in the power chamber, a transmission chamber is arranged below the power chamber in the third shell, a threaded rod is installed in the transmission chamber in a rotating mode, a sliding rail is installed on one side of the transmission chamber, and the transmission sleeve rod is installed on the threaded rod in a rotating mode, the utility model discloses a vacuum distillation bottle, including transmission loop bar, installation bottle, receiving bottle, third pipeline, and install vacuum valve, the slider is installed to transmission loop bar one side, and slider and slide rail slidable mounting, the installation pole is installed to the opposite side of transmission loop bar, the installation loop bar is installed to installation rod end portion, first pipeline is installed to installation loop bar one end, and just first pipeline end portion installs the retort, the second pipeline is installed to the installation loop bar other end, second pipeline bottom one side is installed and is received the bottle, the third pipeline is installed to second pipeline end portion, and installs the vacuum valve on the third pipeline.

Preferably, rubber pads are arranged at the top and the bottom of the mounting rod.

Preferably, a control switch is installed on one side of the workbench.

Preferably, a dust cover is installed on one side of the mounting bracket.

Preferably, the second housing is nested within the first housing.

Preferably, the end of the threaded rod is in rotary butt joint with the output end of the motor.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an install electric putter in first shell, stretch out and draw back the height of adjustable workstation through electric putter to adapt to this rotary evaporator height to the staff, avoid having certain limitation because of fixed instrument leads to, the effectual convenience that improves this rotary evaporator.

2. The utility model discloses a be provided with the power house in the third shell, rotate through the motor and drive the threaded rod and rotate, the transmission loop bar leads to can not rotating owing to there are slider and slide rail butt joint, makes the rotary motion between threaded rod and the transmission loop bar change linear motion into, makes the threaded rod when rotating, and the adjustment about the transmission loop bar can be carried out avoids adjusting because of the manual rotatory knob of staff needs, and the effectual complementary of this rotatory evaporimeter to the staff that has improved.

3. The utility model discloses an install the mounting bracket in workstation one side, dispel the heat to the workstation through the heat dissipation fan on the mounting bracket, avoid the workstation in the course of the work, because of the longer self that leads to of experimental time is serious that generates heat, the pair rotation evaporimeter self can cause the damage, the effectual life who increases this rotation evaporimeter.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic front structural view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is a schematic view of a partial structure of the transmission chamber of the present invention.

In the figure: 1. a base; 101. a first housing; 102. an electric push rod; 103. a second housing; 2. a work table; 201. a liquid pool; 202. a control switch; 3. a mounting frame; 301. a dust cover; 302. a heat dissipation fan; 4. a third housing; 401. an opening; 5. a power chamber; 501. a motor; 6. a transmission chamber; 601. a threaded rod; 602. a slide rail; 7. a drive loop bar; 701. a slider; 702. mounting a rod; 703. a rubber pad; 8. installing a loop bar; 801. a first conduit; 802. a distillation flask; 803. a second conduit; 804. receiving a bottle; 805. a third pipeline; 806. and a vacuum valve.

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. 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a rotary evaporator for preparing difluoromaleic anhydride by concentration comprises a base 1, a workbench 2, a third shell 4 and a mounting sleeve rod 8, wherein the top of the base 1 is provided with a first shell 101, both ends of the bottom in the first shell 101 are provided with electric push rods 102, the principle of the electric push rods 102 is that after a motor is decelerated by a gear, the motor drives a pair of screw nuts to change the rotary motion of the motor into linear motion, the push rod motion is completed by utilizing the forward and reverse rotation of the motor, for example, complex motions such as rotation, shaking and the like can be completed by various levers, rockers or connecting rods and the like, and the stroke can be increased or enlarged by changing the length of the lever force arm, the utility model discloses that the electric push rods 102 are arranged in the first shell 101, the height of the workbench 2 can be adjusted by stretching and retracting through the electric push rods 102 so as to adapt to the height of the rotary evaporator to workers, thereby avoiding certain limitation caused by fixed instruments, the convenience of the rotary evaporator is effectively improved, the electric push rod 102 can adopt IP800, the second shell 103 is installed at the top of the electric push rod 102, the second shell 103 is sleeved in the first shell 101, the workbench 2 is installed at the top of the second shell 103, a liquid pool 201 is arranged on one side of the top of the workbench 2, and a control switch 202 is installed on one side of the workbench 2;

specifically, one side of the workbench 2 is provided with the mounting frame 3, one side of the mounting frame 3 is provided with the dust cover 301, the mounting frame 3 is provided with the heat dissipation fan 302, the principle of the heat dissipation fan 302 is that the output end of the motor is provided with the fan blade, when the motor rotates, the fan blade can be driven to rotate, so that the surrounding air flows and the heat dissipation function is achieved, the utility model discloses a mounting frame 3 is installed on one side of the workbench 2, the heat dissipation fan 302 on the mounting frame 3 is used for dissipating heat in the workbench 2, the phenomenon that the workbench 2 generates heat seriously due to long experimental time in the working process and can damage the rotary evaporator is avoided, the service life of the rotary evaporator is effectively prolonged, the heat dissipation fan 302 can adopt FFB0924EHE, the third shell 4 is installed on one side of the liquid pool 201 on the top of the workbench 2, and the opening;

specifically, a power chamber 5 is arranged in the third shell 4 by the top, a motor 501 is arranged in the power chamber 5, the motor is a device for converting electric energy into mechanical energy, and the motor utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor (such as a squirrel cage type closed aluminum frame) to form magnetoelectric power rotating torque, the power chamber 5 is arranged in the third shell 4, the motor 501 rotates to drive a threaded rod 601 to rotate, the transmission sleeve rod 7 cannot rotate due to butt joint of a sliding block 701 and a sliding rail 602, so that the rotating motion between the threaded rod 601 and the transmission sleeve rod 7 is converted into linear motion, the transmission sleeve rod 7 can be adjusted up and down when the threaded rod 601 rotates, manual rotation of a knob by a worker is avoided, and the assistance of the rotary evaporator to the worker is effectively improved, the motor 501 can adopt 5IK60RGN-CF 5GN-12.5K, a transmission chamber 6 is arranged below a power chamber 5 in the third shell 4, a threaded rod 601 is rotatably arranged in the transmission chamber 6, the end of the threaded rod 601 is rotatably butted with the output end of the motor 501, a slide rail 602 is arranged on one side of the transmission chamber 6, a transmission loop bar 7 is rotatably arranged on the threaded rod 601, a slide block 701 is arranged on one side of the transmission loop bar 7, the slide block 701 and the slide rail 602 are slidably arranged, a mounting bar 702 is arranged on the other side of the transmission loop bar 7, rubber pads 703 are arranged at the top and the bottom of the mounting bar 702, a mounting loop bar 8 is arranged at the end of the mounting bar 702, a first pipeline 801 is arranged at one end of the mounting loop bar 8, a distillation flask 802 is arranged at the end of the first pipeline 801, a second pipeline 803 is arranged at the other end of the mounting loop bar 8, a receiving bottle 804 is arranged at one side of the bottom of the second pipeline 803, a third pipeline 805 is arranged at the end of the second pipeline 803, and a vacuum valve 806 is mounted on the third pipeline 805, the distillation bottle 802 is rotated at a constant speed under the optimum speed through electronic control to increase the evaporation area, the distillation bottle 802 is in a negative pressure state through a vacuum pump, the distillation bottle 802 is rotated and simultaneously placed in the liquid pool 201 for constant temperature heating, and the difluoromaleic anhydride in the bottle is heated and diffused and evaporated in the rotary distillation bottle 802 under the negative pressure.

The working principle is as follows: before using this device, the user of service detects the device earlier, confirm that there is not problem later to use, at first make electric putter 102 stretch out and draw back through control switch 202, be used for transferring the height of workstation 2, later install the retort 802 that is equipped with difluoromaleic anhydride to first pipeline 801 tip, later install the bottom to second pipeline 803 with receiving bottle 804, later open motor 501 and make it drive threaded rod 601 and rotate, threaded rod 601 rotates and drives transmission loop bar 7 and adjust from top to bottom, after submerging retort 802 in the liquid bath 201, make the inside motor of installation loop bar 8 drive first pipeline 801 and rotate, make retort 802 carry out distillation work, later open heat dissipation fan 302 and dispel the heat to workstation 2 inside, the instrument should in time be cleared up in the end of work, in order to make things convenient for next use.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a difluoro maleic anhydride is concentrated preparation and is used rotary evaporator, includes base (1), workstation (2), third shell (4) and installation loop bar (8), its characterized in that: the novel energy-saving type hydraulic power station is characterized in that a first shell (101) is installed at the top of the base (1), electric push rods (102) are installed at two ends of the bottom of the first shell (101), a second shell (103) is installed at the top of the electric push rods (102), a workbench (2) is installed at the top of the second shell (103), a liquid pool (201) is arranged on one side of the top of the workbench (2), a mounting frame (3) is installed on one side of the workbench (2), a heat dissipation fan (302) is installed on the mounting frame (3), a third shell (4) is installed on one side of the liquid pool (201) at the top of the workbench (2), an opening (401) is formed in one side of the third shell (4), a power chamber (5) is arranged in the third shell (4) by the top, a motor (501) is installed in the power chamber (5), and a transmission chamber (6) is arranged below the power chamber (5) in the third shell (4), a threaded rod (601) is rotatably arranged in the transmission chamber (6), a slide rail (602) is arranged on one side of the transmission chamber (6), a transmission loop bar (7) is rotatably arranged on the threaded bar (601), a slide block (701) is arranged on one side of the transmission loop bar (7), the slide block (701) is installed with the slide rail (602) in a sliding way, the other side of the transmission loop bar (7) is provided with an installation bar (702), the end part of the installation rod (702) is provided with an installation loop bar (8), one end of the installation loop bar (8) is provided with a first pipeline (801), the end part of the first pipeline (801) is provided with a distillation flask (802), the other end of the mounting loop bar (8) is provided with a second pipeline (803), a receiving bottle (804) is installed on one side of the bottom of the second pipeline (803), a third pipeline (805) is installed at the end of the second pipeline (803), and a vacuum valve (806) is installed on the third pipeline (805).

2. The rotary evaporator for the concentrated preparation of difluoromaleic anhydride as claimed in claim 1, wherein: rubber pads (703) are arranged at the top and the bottom of the mounting rod (702).

3. The rotary evaporator for the concentrated preparation of difluoromaleic anhydride as claimed in claim 1, wherein: and a control switch (202) is installed on one side of the workbench (2).

4. The rotary evaporator for the concentrated preparation of difluoromaleic anhydride as claimed in claim 1, wherein: and a dust cover (301) is arranged on one side of the mounting frame (3).

5. The rotary evaporator for the concentrated preparation of difluoromaleic anhydride as claimed in claim 1, wherein: the second shell (103) is sleeved in the first shell (101).

6. The rotary evaporator for the concentrated preparation of difluoromaleic anhydride as claimed in claim 1, wherein: the end part of the threaded rod (601) is in rotary butt joint with the output end of the motor (501).