CN217794580U

CN217794580U - Rotary evaporator

Info

Publication number: CN217794580U
Application number: CN202221875992.9U
Authority: CN
Inventors: 周展悦; 张道远; 宋莉红
Original assignee: Jingzhou Nuoya Chemical Co ltd
Current assignee: Jingzhou Nuoya Chemical Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-15
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a chemistry experiment equipment field provides a rotary evaporator, comprising a base plate, the rotary evaporator body has been placed to top one side of bottom plate, the top opposite side fixedly connected with mounting bracket of bottom plate, the positive fixedly connected with of mounting bracket is vertical axial and the top is the open-ended drum, the front of mounting bracket is still fixedly connected with and is located the storage box of drum one side top, the bottom intercommunication of storage box has the fixed pipe of one side intercommunication on drum circumference surface, the bottom intercommunication of drum has the connecting pipe of one side intercommunication on rotary evaporator body feed liquor is served. The utility model discloses can make the intermittent type nature of solvent in the storage box when the shutoff sleeve carries out up-and-down reciprocating's removal add in this body to the rotation evaporimeter that lasts, compare in traditional dismantlement retort in order to add the solvent, can effectual improvement add material efficiency, reduce the influence of adding the solvent to the experiment progress.

Description

Rotary evaporator

Technical Field

The utility model relates to a chemistry experiment equipment field specifically is a rotary evaporator.

Background

Chemical reagents are relatively standard substances for chemical research and component analysis, are important conditions for technological progress, are widely used for synthesis, separation, qualitative and quantitative analysis of substances, can be said to be eyes of chemists, and cannot be separated from the chemical reagents in daily work of factories, schools, hospitals and research institutes.

In the experimentation, can often use the rotary evaporator and distill volatile solvent in succession under the decompression condition, and at present when using the rotary evaporator, when needs add the solvent, need the experimenter to stop the operation of rotary evaporator earlier, dismantle the retort with the hand again and carry out the interpolation of solvent, this mode of adding material is complex operation, second need stop the work of evaporimeter, make the process interruption of experiment, influence the experimental efficiency, it is very necessary to design a rotary evaporator to solve this kind of problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rotary evaporator 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:

the utility model provides a rotary evaporator, includes the bottom plate, the rotary evaporator body has been placed to top one side of bottom plate, the top opposite side fixedly connected with mounting bracket of bottom plate, the positive fixedly connected with of mounting bracket is vertical axial and the top is the open-ended drum, the front of mounting bracket still fixedly connected with be located the storage box of drum one side top, the bottom intercommunication of storage box has the fixed pipe of one side intercommunication on the drum circumference surface, the bottom intercommunication of drum has the connecting pipe of one side intercommunication on rotary evaporator body feed liquor is served, it has reciprocating motion's shutoff sleeve about can carrying out to peg graft in the drum.

Preferably, a circular plate which is in a front-back axial direction is arranged above the mounting frame, a fixing rod which is in a vertical direction and the top of which extends to the upper part of the cylinder is fixedly connected to the top of the blocking sleeve, a push rod is rotatably connected to the non-circle center part of the front surface of the circular plate, one side of the push rod, far away from the side connected with the circular plate, is rotatably connected to the top of the fixing rod, the mounting rack is provided with a driving piece for driving the circular plate to rotate, when the circular plate rotates, one side of the push rod can rotate with the central axis of the circular plate, and the other side of the push rod can pull the fixing rod to move up and down in a reciprocating mode and drive the plugging sleeve to lift in the cylinder synchronously.

Preferably, the driving part comprises a first motor arranged above the mounting frame, the tail end of an output shaft of the first motor is fixedly connected to the circle center of the back face of the circular plate, and the purpose of driving the circular plate to rotate can be achieved when the output shaft of the first motor rotates.

Preferably, the top fixedly connected with of mounting bracket is the installation pole of vertical direction, the stroke groove has been seted up along its direction of height in the front of installation pole, it has the stroke piece to peg graft in the stroke groove, just a motor fixed mounting is in the front of stroke piece, be provided with the lifting unit who is used for making the stroke piece carry out reciprocating on the installation pole, can drive circular slab and shutoff sleeve and carry out synchronous reciprocating in the drum through the lift of stroke piece for the stroke height when shutoff sleeve carries out reciprocating motion from top to bottom in the drum can be adjusted, plays and adjusts the purpose to the speed that solvent got into rotary evaporator originally internal in the storage box.

Preferably, lifting unit includes to rotate through the bearing and connects in the stroke inslot and be vertical axial threaded rod, just the threaded rod alternates on the stroke piece through the cooperation of screw thread, be provided with on the installation pole and be used for driving the threaded rod and carry out pivoted runner assembly, the threaded rod can make the stroke piece reciprocate in the stroke inslot through the cooperation of screw thread when rotating.

Preferably, the rotating assembly comprises a second motor fixedly installed at the bottom of the installation rod and with an upward output shaft, the bottom of the threaded rod penetrates through the installation rod and is fixed to the tail end of the output shaft of the second motor, and the purpose of driving the threaded rod to rotate can be achieved when the output shaft of the second motor rotates.

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

1. the utility model discloses when the shutoff sleeve carries out reciprocating's removal from top to bottom, the shutoff sleeve can carry out the shutoff with the opening of the interior fixed pipe one side of drum at its outer surface under the condition that moves downwards, and the shutoff sleeve can move to the open-ended top of fixed pipe one side at its outer surface under the condition that upwards moves, solvent in the storage box then can be discharged into to the drum in through fixed pipe like this, and add to the feed liquor end of rotatory evaporimeter body through the connecting pipe, add to this reciprocal solvent that can make in the storage box can intermittent type nature last rotation evaporimeter this internal, compare in traditional dismantlement retort in order to add the solvent, can effectual improvement feeding efficiency, reduce the influence of adding the solvent to the experiment progress.

2. The utility model discloses a stroke piece can go up and down for the stroke height when reciprocating motion about going on in the drum of shutoff sleeve can be adjusted, just so makes the shutoff sleeve surface can block up fixed pipe one side open-ended time and can obtain the adjustment when removing, plays the purpose that the speed that gets into rotatory evaporimeter in the storage box originally was adjusted.

Drawings

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

fig. 2 is a schematic view of another three-dimensional structure of the present invention;

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

FIG. 4 isbase:Sub>A schematic view of the cross-sectional structure of the utility model along the A-A direction;

in the figure: 1. a base plate; 2. rotating the evaporator body; 3. a mounting frame; 4. a cylinder; 5. a material storage box; 6. fixing the tube; 7. a connecting pipe; 8. plugging the sleeve; 9. a circular plate; 10. fixing the rod; 11. a push rod; 12. a first motor; 13. mounting a rod; 14. a stroke block; 15. a threaded rod; 16. and a second motor.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Referring to fig. 1-4, the present invention provides a rotary evaporator: including bottom plate 1, rotary evaporation appearance body 2 has been placed to top one side of bottom plate 1, top opposite side fixedly connected with mounting bracket 3 of bottom plate 1, the positive fixedly connected with of mounting bracket 3 is vertical axial and the top is open-ended drum 4, still fixedly connected with is located the storage box 5 of drum 4 one side top in the front of mounting bracket 3, the bottom intercommunication of storage box 5 has one side intercommunication at the fixed pipe 6 on drum 4 circumferential surface, drum 4's bottom intercommunication has one side intercommunication at the connecting pipe 7 on rotary evaporation appearance body 2 feed liquor end, it has the shutoff sleeve 8 that can carry out up-and-down reciprocating motion to peg graft in the drum 4, it has the solvent that needs to add to store in the drum 4, thus, when shutoff sleeve 8 carries out up-and-down reciprocating motion, shutoff sleeve 8 can carry out the shutoff with the opening of the fixed pipe 6 one side in drum 4 on its surface under the circumstances that moves downwards, and shutoff sleeve 8 can move to the open-ended top of fixed pipe 6 one side in the circumstances that upwards moves, solvent in storage box 5 then can discharge to drum 4 through fixed pipe 6 through storage box 6, and add the influence of this traditional solvent that can add in order to the evaporation appearance that the addition improves the interpolation efficiency of the interpolation in the evaporation appearance that the traditional solvent that can last the interpolation in the evaporation bottle that adds.

Specifically, in order to enable the plugging sleeve 8 to move up and down in a reciprocating manner, in some embodiments, it is proposed that the circular plate 9 which is in a front-back axial direction is arranged above the mounting rack 3, the top fixedly connected with of the plugging sleeve 8 is a fixing rod 10 which extends in a vertical direction and extends to the top of the cylinder 4, the front non-circle center of the circular plate 9 is rotatably connected with the push rod 11, the push rod 11 is far away from one side connected with the circular plate 9 and rotatably connected to the top of the fixing rod 10, a driving part which is used for driving the circular plate 9 to rotate is arranged on the mounting rack 3, when the circular plate 9 rotates, one side of the push rod 11 can rotate with the central axis of the circular plate 9, the other side of the push rod 11 can pull the fixing rod 10 to move up and down in a reciprocating manner, and the plugging sleeve 8 is driven to go up and down synchronously in the cylinder 4.

The specific way for driving the circular plate 9 to rotate is as follows, the driving part comprises a motor I12 arranged above the mounting frame 3, the tail end of an output shaft of the motor I12 is fixedly connected to the circle center of the back surface of the circular plate 9, and the purpose of driving the circular plate 9 to rotate can be achieved when the output shaft of the motor I12 rotates.

Referring to fig. 1 and 2, the top of the mounting frame 3 is fixedly connected with a mounting rod 13 in the vertical direction, a stroke groove is formed in the front of the mounting rod 13 along the height direction of the mounting rod, a stroke block 14 is inserted in the stroke groove, and a first motor 12 is fixedly mounted on the front of the stroke block 14, a lifting assembly for enabling the stroke block 14 to move up and down is arranged on the mounting rod 13, the circular plate 9 and the plugging sleeve 8 can be driven to synchronously move up and down in the cylinder 4 by the lifting of the stroke block 14, so that the stroke height of the plugging sleeve 8 during the up-and-down reciprocating movement in the cylinder 4 can be adjusted, the time for sealing the opening on one side of the fixing tube 6 when the outer surface of the plugging sleeve 8 moves can be adjusted, and the purpose of adjusting the speed of the solvent in the storage box 5 entering the rotary evaporator body 2 is achieved.

In order to make stroke piece 14 reciprocate, lifting unit includes to rotate through the bearing and connects in the stroke inslot and be vertical axial threaded rod 15, and threaded rod 15 alternates on stroke piece 14 through the cooperation of screw thread, is provided with on installation pole 13 to be used for driving threaded rod 15 and carries out pivoted runner assembly, and threaded rod 15 can make stroke piece 14 reciprocate in the stroke inslot through the cooperation of screw thread when rotating.

Meanwhile, the rotating assembly comprises a second motor 16 which is fixedly installed at the bottom of the installation rod 13 and the output shaft of the second motor faces upwards, the bottom of the threaded rod 15 penetrates through the installation rod 13 and is fixed with the tail end of the output shaft of the second motor 16, and the purpose of driving the threaded rod 15 to rotate can be achieved when the output shaft of the second motor 16 rotates.

In the device, all electric devices and drivers matched with the electric devices are arranged, and all driving parts, namely power elements, the electric devices and adaptive power supplies, are connected through leads by a person skilled in the art, and specific connecting means refer to the above expression that the electric devices are electrically connected in sequence, and detailed connecting means thereof are well known in the art.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a rotary evaporator, includes bottom plate (1), rotary evaporator body (2) have been placed to top one side of bottom plate (1), a serial communication port, the top opposite side fixedly connected with mounting bracket (3) of bottom plate (1), the positive fixedly connected with of mounting bracket (3) is vertical axial and top for open-ended drum (4), the front of mounting bracket (3) is still fixedly connected with and is located storage box (5) of drum (4) one side top, the bottom intercommunication of storage box (5) has one side intercommunication at drum (4) circumference fixed pipe (6) on the surface, the bottom intercommunication of drum (4) has one side intercommunication connecting pipe (7) that serve at rotary evaporator body (2) feed liquor, it has upper and lower reciprocating motion's shutoff sleeve (8) to peg graft in drum (4).

2. A rotary evaporator according to claim 1, wherein: axial circular slab (9) around being is provided with in the top of mounting bracket (3), the top fixedly connected with of shutoff sleeve (8) is dead lever (10) that vertical direction and top extend to drum (4) top, the positive non-centre of a circle department of circular slab (9) rotates and is connected with catch bar (11), just catch bar (11) are kept away from and are rotated the top of connecting in dead lever (10) with one side that circular slab (9) link to each other, be provided with on mounting bracket (3) and be used for driving circular slab (9) and carry out the pivoted driving piece.

3. A rotary evaporator according to claim 2 wherein: the driving piece comprises a first motor (12) arranged above the mounting frame (3), and the tail end of an output shaft of the first motor (12) is fixedly connected to the circle center of the back of the circular plate (9).

4. A rotary evaporator according to claim 3 wherein: the top fixedly connected with of mounting bracket (3) is installation pole (13) of vertical direction, the stroke groove has been seted up along its direction of height in the front of installation pole (13), it has stroke piece (14) to peg graft in the stroke groove, just motor (12) fixed mounting is in the front of stroke piece (14), be provided with the lifting unit who is used for making stroke piece (14) to reciprocate on installation pole (13).

5. A rotary evaporator according to claim 4 wherein: lifting unit includes and rotates to be connected in the stroke inslot and be vertical axial threaded rod (15) through the bearing, just threaded rod (15) alternate on stroke piece (14) through the cooperation of screw thread, be provided with on installation pole (13) and be used for driving threaded rod (15) and carry out pivoted runner assembly.

6. A rotary evaporator according to claim 5 wherein: the rotating assembly comprises a second motor (16) which is fixedly installed at the bottom of the installation rod (13) and has an upward output shaft, and the bottom of the threaded rod (15) penetrates through the installation rod (13) and is fixed to the tail end of the output shaft of the second motor (16).