CN210474897U

CN210474897U - Heparin sodium purification is with rotatory evaporimeter clearance mechanism

Info

Publication number: CN210474897U
Application number: CN201921255753.1U
Authority: CN
Inventors: 黄震; 于继明; 黄丽
Original assignee: Yangzhou Selenium Biomedical Science And Technology Co ltd
Current assignee: Yangzhou Selenium Biomedical Science And Technology Co ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-05-08
Anticipated expiration: 2029-08-05

Abstract

The utility model discloses a heparin sodium purification is with rotatory evaporimeter clearance mechanism, including bottom plate, fixed plate, pipeline, sucking disc, first gasbag, first through-hole and one-way flow device, two the fixed plate symmetry fixed connection respectively is in the upper surface of bottom plate, the fixed interlude of pipeline is connected in the middle part of fixed plate, two the sucking disc is fixed connection respectively in two one sides that the pipeline is relative, the outer wall of pipeline, two are located to first gasbag fixed cover first through-hole symmetry respectively is seted up on the pipeline, just first through-hole is located the inside of first gasbag, one-way flow device sets up in the inner chamber of pipeline. The utility model discloses utilize pipeline and first air bag matched with to set up the mode, be the negative pressure state through the inner chamber that makes the pipeline, and then adsorb the outer wall of flask through the sucking disc to make the flask and the position relatively fixed of fixed plate, avoid the damage that the extrusion flask caused the flask.

Description

Heparin sodium purification is with rotatory evaporimeter clearance mechanism

Technical Field

The utility model relates to a rotary evaporator field, in particular to rotary evaporator clearance mechanism is used in heparin sodium purification.

Background

A rotary evaporator, also called a rotary evaporator, is common laboratory equipment, consists of a motor, a distillation flask, a heating pot, a condenser pipe and the like, is mainly used for continuously distilling volatile solvents under a reduced pressure condition, and is applied to the fields of chemistry, chemical engineering, biological medicine and the like.

In the use process of the rotary evaporator, the evaporation flask is in a negative pressure state through the vacuum pump, but before the evaporation flask is used, the residual liquid in the inner cavity of the flask needs to be cleaned, so that the air leakage condition when the vacuum pump evacuates the evaporation flask under the negative pressure is prevented, however, the evaporation flask is generally a spherical container made of glass, a common clamping device is used for forcibly pressing the side wall of the flask to fix the position of the flask, and the glass can be cracked due to overlarge stress.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heparin sodium purification is with rotatory evaporimeter clearance mechanism to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a rotary evaporator cleaning mechanism for heparin sodium purification comprises a bottom plate, fixing plates, pipelines, suckers, first air bags, first through holes and a one-way flow device, wherein the two fixing plates are respectively and symmetrically and fixedly connected to the upper surface of the bottom plate, the pipelines are fixedly inserted and connected to the middle parts of the fixing plates, the two suckers are respectively and fixedly connected to one sides of the two pipelines, the first air bags are fixedly sleeved on the outer wall of the pipelines, the two first through holes are respectively and symmetrically formed in the pipelines, the first through holes are located inside the first air bags, and the one-way flow device is arranged in the inner cavity of the pipelines;

the one-way flow device comprises slider, sealing ring, rubber buffer and spring, slider sliding connection is in the inner chamber of pipeline, the sealing ring is fixed cup joints on the inner wall of pipeline, just the sealing ring is located one side of slider, the rubber buffer sets up between slider and sealing ring, slider and rubber buffer fixed connection, the fixed solid ring that has cup jointed of opposite side that just is located the slider on the pipeline inner wall, two the spring symmetry respectively sets up between solid fixed ring and slider, and spring and slider and solid fixed ring fixed connection.

Preferably, at least three second through holes are formed in the fixing ring, and the through holes are distributed on the fixing ring in an annular array.

Preferably, one side of the fixing ring is fixedly connected with a limiting rod, and the middle of the sliding block is provided with a sliding groove matched with the limiting rod.

Preferably, one side of the upper surface of the bottom plate is fixedly connected with a side plate, and the top of the side plate is fixedly connected with a top plate.

Preferably, one side fixedly connected with couple of curb plate, the bottom of couple hangs the cotton.

Preferably, the middle part of the top plate is connected with a fixed pipe in a sliding and inserting mode, the bottom end of the fixed pipe is fixedly connected with a second air bag, and a positioning rod is connected in an inner cavity of the fixed pipe in a sliding mode.

The utility model discloses a technological effect and advantage:

1. the utility model utilizes the setting mode of the pipeline and the first air bag which are matched with each other, and the inner cavity of the pipeline is in a negative pressure state, so that the outer wall of the flask is adsorbed by the sucker, thereby the positions of the flask and the fixed plate are relatively fixed, and the flask is prevented from being damaged by extruding;

2. the utility model discloses utilize fixed pipe and second gasbag matched with mode of setting up, earlier with the cotton cover in the outside of second gasbag, then insert the locating lever in the inner chamber of fixed pipe and second gasbag again, through the guide effect of locating lever, in advancing the inner chamber of flask with second gasbag and cotton stopper, then let in gas in to the inner chamber of fixed pipe, strut the cotton through the second gasbag, make the cotton laminate with the inner wall of flask mutually, adsorb the inside liquid of flask on the cotton, thereby clean the inside of flask.

Drawings

Fig. 1 is a schematic front structural view of the present invention.

Fig. 2 is a schematic view of the pipeline structure of the present invention.

In the figure: 1. a base plate; 2. a fixing plate; 3. a pipeline; 4. a suction cup; 5. a first air bag; 6. a first through hole; 7. a unidirectional flow device; 8. hooking; 9. cotton cloth; 10. a top plate; 11. a fixed tube; 12. a second air bag; 13. positioning a rod; 71. a slider; 72. a seal ring; 73. a rubber plug; 74. a spring; 75. a limiting rod.

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.

The utility model provides a rotary evaporator cleaning mechanism for heparin sodium purification as shown in figure 1-2, which comprises a bottom plate 1, fixed plates 2, pipelines 3, sucking discs 4, first air bags 5, first through holes 6 and a one-way flow device 7, wherein the two fixed plates 2 are respectively and symmetrically and fixedly connected on the upper surface of the bottom plate 1, the pipelines 3 are fixedly and alternately connected in the middle parts of the fixed plates 2, the two sucking discs 4 are respectively and fixedly connected on one opposite sides of the two pipelines 3, the first air bags 5 are fixedly sleeved on the outer wall of the pipelines 3, the two first through holes 6 are respectively and symmetrically arranged on the pipelines 3, and the first through hole 6 is located inside the first air pocket 5, the one-way flow means 7 is provided in the inner cavity of the tube 3, due to the elastic restoring force of the first air bag 5, the inner cavity of the pipeline 3 is in a negative pressure state, and then the outer wall of the flask is adsorbed through the sucking disc 4, so that the flask and the fixing plate 2 are relatively fixed.

The unidirectional flow device 7 consists of a sliding block 71, a sealing ring 72, a rubber plug 73 and a spring 74, wherein the sliding block 71 is connected in the inner cavity of the pipeline 3 in a sliding way, the sealing ring 72 is fixedly sleeved on the inner wall of the pipeline 3, the sealing ring 72 is positioned at one side of the sliding block 71, the rubber plug 73 is arranged between the sliding block 71 and the sealing ring 72, the sliding block 71 is fixedly connected with the rubber plug 73, a fixing ring is fixedly sleeved at the other side of the sliding block 71 on the inner wall of the pipeline 3, two springs 74 are respectively and symmetrically arranged between the fixing ring and the sliding block 71, and the spring 74 is fixedly connected with the slide block 71 and the fixing ring, at least three second through holes are arranged on the fixing ring, the through holes are distributed on the fixing ring in an annular array mode, the limiting rod 75 is fixedly connected to one side of the fixing ring, the sliding groove matched with the limiting rod 75 is formed in the middle of the sliding block 71, and the limiting rod 75 slides in the inner cavity of the sliding groove and can limit the moving track of the sliding block 71.

One side fixedly connected with curb plate of 1 upper surface of bottom plate, the top fixedly connected with roof 10 of curb plate, one side fixedly connected with couple 8 of curb plate, cotton 9 has been hung to couple 8's bottom, the middle part sliding interlude of roof 10 is connected with fixed pipe 11, the bottom fixedly connected with second gasbag 12 of fixed pipe 11, toughness through second gasbag 12 can make the inner chamber of cotton 9 and flask attached inseparabler, sliding connection has locating lever 13 in the inner chamber of fixed pipe 11.

This practical theory of operation:

when in use, the evaporation flask is firstly placed between the two suckers 4, so that the suckers 4 are tightly attached to the outer wall of the flask, then two first air bags 5 are extruded, after the air in the inner cavity of the first air bag 5 is extruded into the inner cavity of the pipeline 3 through the first through hole 6, at this time, the pressure in the inner cavity of the tube 3 is larger, and if the air pressure is larger, the rubber plug 73 is squeezed, so that the rubber plug 73 no longer has a sealing effect on the sealing ring 72, and the gas overflows through the second through hole after passing through the inner cavity of the sealing ring 72, then, in cooperation with the elastic restoring force of the spring 74, the rubber stopper 73 is pressed back to its original position again, the inner cavity of the tube 3 is sealed again, at this time, the extrusion of the first air bag 5 is stopped, due to the elastic restoring force of the first air bag 5, the inner cavity of the pipeline 3 is in a negative pressure state, and then the outer wall of the flask is adsorbed through the sucking disc 4, so that the flask and the fixing plate 2 are relatively fixed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a heparin sodium purification is with rotatory evaporimeter clearance mechanism, includes bottom plate (1), fixed plate (2), pipeline (3), sucking disc (4), first gasbag (5), first through-hole (6) and one-way flow device (7), its characterized in that:

the two fixing plates (2) are respectively and symmetrically fixedly connected to the upper surface of the bottom plate (1), the pipeline (3) is fixedly inserted into the middle of the fixing plates (2), the two suckers (4) are respectively and fixedly connected to one opposite sides of the two pipelines (3), the first air bag (5) is fixedly sleeved on the outer wall of the pipeline (3), the two first through holes (6) are respectively and symmetrically formed in the pipeline (3), the first through holes (6) are located inside the first air bag (5), and the one-way flow device (7) is arranged in an inner cavity of the pipeline (3);

unidirectional flow device (7) comprises slider (71), sealing ring (72), rubber buffer (73) and spring (74), slider (71) sliding connection is in the inner chamber of pipeline (3), sealing ring (72) are fixed cup joints on the inner wall of pipeline (3), just sealing ring (72) are located one side of slider (71), rubber buffer (73) set up between slider (71) and sealing ring (72), slider (71) and rubber buffer (73) fixed connection, the fixed solid fixed ring, two of having cup jointed of the opposite side that just is located slider (71) on pipeline (3) inner wall spring (74) symmetry respectively sets up between solid fixed ring and slider (71), and spring (74) and slider (71) and solid fixed ring fixed connection.

2. The rotary evaporator cleaning mechanism for heparin sodium purification according to claim 1, characterized in that: at least three second through holes are formed in the fixing ring, and the through holes are distributed in an annular array on the fixing ring.

3. The rotary evaporator cleaning mechanism for heparin sodium purification according to claim 1, characterized in that: one side of the fixing ring is fixedly connected with a limiting rod (75), and the middle of the sliding block (71) is provided with a sliding groove matched with the limiting rod (75).

4. The rotary evaporator cleaning mechanism for heparin sodium purification according to claim 1, characterized in that: one side of the upper surface of the bottom plate (1) is fixedly connected with a side plate, and the top of the side plate is fixedly connected with a top plate (10).

5. The rotary evaporator cleaning mechanism for heparin sodium purification according to claim 4, characterized in that: one side fixedly connected with couple (8) of curb plate, cotton (9) have been hung to the bottom of couple (8).

6. The rotary evaporator cleaning mechanism for heparin sodium purification according to claim 4, characterized in that: the middle part of roof (10) slides and alternates and is connected with fixed pipe (11), the bottom fixedly connected with second gasbag (12) of fixed pipe (11), sliding connection has locating lever (13) in the inner chamber of fixed pipe (11).