Efficient rotary evaporator

Abstract

The utility model relates to the technical field of evaporators, and discloses an efficient rotary evaporator which comprises a base, a rotary bottle and a heating container, the left side of the top of the base is fixedly connected with a fixed table, the top of the fixed table is fixedly connected with rotary equipment, and the top of the rotary equipment is fixedly connected with a variable frequency motor. A fixing ring is fixedly connected to the top of the heating container, a clamping protrusion is fixedly connected to the left side of the top of the fixing ring, a sealing cover is arranged at the top of the fixing ring, and a limiting ring is fixedly connected to the bottom of the outer wall of the sealing cover. According to the utility model, the sealing piece is rotated inwards to shield the port of the rotary bottle, at the moment, the clamping groove is matched with the inserting piece to fix the sealing piece, the sealing cover and the heating container, so that the loss of internal temperature is avoided, and the adjusting bolt is rotated inwards to drive the round piece to extrude inwards, so that the metal clamping plate and the clamping ring are clamped; and the rotary bottle is more convenient to mount.

Description

Technical Field

[0001] The utility model relates to the technical field of evaporation instruments, in particular to a high-efficiency rotary evaporator. Background Technique

[0002] A rotary evaporator, also known as a rotary evaporating apparatus, is a commonly used device in laboratories. It consists of a motor, a distillation flask, and a heating pot, and is mainly used for continuously distilling volatile solvents under reduced pressure. It is applied in the fields of chemistry, chemical engineering, and biomedicine. The rotary evaporator can be used to recover and evaporate organic solvents.

[0003] After retrieval, the Chinese patent publication number is: CN216023225U, which discloses a high-efficiency rotary evaporator, including a rotary flask, a water bath pot, and a protective cover. The rotary flask includes a flask body and a neck. The flask body is connected and communicated with the neck. The flask body is placed in the water bath pot, and the neck is inclined and extends outside the water bath pot. The protective cover is arranged at the opening of the water bath pot and covers the flask body. The protective cover includes an outer cover, an inner cover, and a heat insulation layer. The outer cover is connected to the inner cover through a connecting component. The outer cover covers the inner cover. The heat insulation layer is arranged between the outer cover and the inner cover, and the heat insulation layer is attached to the inner wall of the outer cover and the outer wall of the inner cover. Corresponding slots for the neck to pass through are opened on the outer cover, the inner cover, and the heat insulation layer. The bottom end of the slot extends to the opening of the protective cover. Through the triple heat insulation of the inner cover, the heat insulation layer, and the outer cover, this utility model can effectively reduce the heat loss in the water bath pot during the water bath process, thereby improving the heating efficiency of the water bath pot and further improving the evaporation efficiency of the rotary evaporator. However, the slots on the surface of the protective cover are too large, and steam and temperature will still be lost, resulting in inaccurate control of the heating temperature and low evaporation efficiency. Therefore, a high-efficiency rotary evaporator is proposed to solve the above problems. Content of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides a high-efficiency rotary evaporator, aiming to improve the problem that the slots on the surface of the protective cover in the prior art are too large and steam and temperature will still be lost.

[0005] To achieve the above object, the utility model adopts the following technical solution: An efficient rotary evaporator, comprising a base, a rotary flask and a heating container. A fixed platform is fixedly connected to the left side of the top of the base. A rotary device is fixedly connected to the top of the fixed platform. A variable-frequency motor is fixedly connected to the top of the rotary device. A fixed ring is fixedly connected to the top of the heating container. A clamping protrusion is fixedly connected to the left side of the top of the fixed ring. A sealing cover is arranged on the top of the fixed ring. A limiting ring is fixedly connected to the bottom of the outer wall of the sealing cover. A placement groove is formed in the left side of the outer wall of the sealing cover. A connecting column is fixedly connected to the top of the sealing cover. Sealing sheets are rotatably connected to the outer walls of the connecting column. Card slots are formed in the adjacent sides of the two sealing sheets. Jacks are formed in the tops of the two sealing sheets. A fixing member is fixedly connected to the left side of the top of the sealing cover. A reinforcing bolt is threadedly connected to the top of the fixing member. A plug is rotatably connected to the outer wall of the reinforcing bolt. The bottom end of the plug penetrates through the top of the fixing member and is slidably connected inside the jack. A connecting mechanism is arranged on the top of the base.

[0006] Through the above technical solution: Place the rotary flask in the heating container through the placement groove. Close the port of the rotary flask by rotating the sealing sheet to block the placement groove. At the same time, rotate the reinforcing bolt downward to drive the plug to fix the sealing sheet, the sealing cover and the heating container, avoiding heat loss inside and improving the stability of the sealing structure.

[0007] As a further description of the above technical solution:

[0008] The connecting mechanism includes a connecting shell. The inside of the connecting shell is fixedly connected to the output end of the rotary device. Metal clamping plates are fixedly connected to the left and right sides inside the connecting shell. Adjusting bolts are threadedly connected to the left and right sides of the outer wall of the connecting shell. The adjacent ends of the two adjusting bolts penetrate through the outer wall of the connecting shell and are fixedly connected with round members. A connecting pipe is communicated with the top of the outer wall of the rotary flask. A clamping ring is fixedly connected to the outer wall of the connecting pipe.

[0009] Through the above technical solution: Insert the connecting pipe into the rotary device through the connecting shell. Rotate the adjusting bolt inward to drive the round member to squeeze the metal clamping plate, so that the metal clamping plate and the clamping ring are engaged with each other. In this way, when installing and connecting the rotary flask, the rotary flask is made more stable.

[0010] As a further description of the above technical solution:

[0011] The connecting mechanism further includes a sealing ring. The inner wall of the sealing ring is fixedly connected to the outer wall of the connecting pipe. The outer wall of the sealing ring is slidably connected to the inner wall of the connecting shell.

[0012] Through the above technical solution: The connecting pipe and the output end of the rotating device are sealed by the sealing ring, so as to ensure that the internal liquid will not leak sideways.

[0013] As a further description of the above technical solution:

[0014] A support platform is fixedly connected to the right side of the fixed platform, a microwave heating plate is fixedly connected to the upper right side of the support platform, and a temperature sensor is fixedly connected to the outer wall on the right side of the heating container.

[0015] Through the above technical solution: The microwave heating plate is a device used to heat the heating container, used to control the temperature in the heating container and provide accurate temperature control effect.

[0016] As a further description of the above technical solution:

[0017] Rubber pads are fixedly connected to the four corners at the bottom of the base, a support frame is fixedly connected to the upper left side of the base, and a cooling tank is installed at the top end of the support frame.

[0018] Through the above technical solution: The base and the rubber pads can support the entire device, and at the same time prevent the base from directly contacting the ground, improving the service life of the base.

[0019] As a further description of the above technical solution:

[0020] Reinforcement plates are fixedly connected to the front and rear sides of the fixed platform, and bolts are threadedly connected to the tops of the two reinforcement plates.

[0021] Through the above technical solution: The reinforcement plates are used in combination with the fixed platform and the base for reinforcement treatment to improve the stability of the entire device.

[0022] As a further description of the above technical solution:

[0023] A control panel is fixedly connected to the front side of the fixed platform, and the control panel is electrically connected to the rotating device, the microwave heating plate, the variable-frequency motor and the temperature sensor respectively.

[0024] Through the above technical solution: The control panel is used to simply operate and control the operating equipment on the entire device.

[0025] As a further description of the above technical solution:

[0026] A handle is fixedly connected to the upper right side of the sealing cover, and an anti-slip sleeve is fixedly connected to the outer wall of the handle.

[0027] Through the above technical solution: The handle is installed on the sealing cover. When taking and placing the sealing cover, the taking operation can be more conveniently completed through the handle.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, the rotating bottle is placed in the heating container through the placement groove, and the sealing piece is rotated inward to make it close to the port of the rotating bottle, so as to realize the shielding treatment of the placement groove. At this time, the clamping groove at the bottom of the sealing piece will be inserted into the clamping protrusion, and at the same time, the reinforcing bolt is rotated downward to drive the plug-in to fix the sealing piece, the sealing cover and the heating container, which can further improve the evaporation efficiency and avoid the loss of internal temperature.

[0030] 2. In the utility model, the connecting pipe is inserted into the connecting shell and the rotating device, and the adjusting bolt is rotated inward to drive the circular part to squeeze the metal clamping plate inward. The metal clamping plate is squeezed and deformed inward. At this time, the inner clamping opening will be clamped in the clamping ring, so that when the rotating bottle is installed and connected, it can be more convenient and stable. Description of the Drawings

[0031] Figure 1 is a perspective view of an efficient rotary evaporator proposed by the utility model;

[0032] Figure 2 is a front view of an efficient rotary evaporator proposed by the utility model;

[0033] Figure 3 is a sectional view of an efficient rotary evaporator proposed by the utility model;

[0034] Figure 4 is an exploded view of an efficient rotary evaporator proposed by the utility model;

[0035] Figure 5 is a partial structural schematic diagram of an efficient rotary evaporator proposed by the utility model.

[0036] Legend:

[0037] 1. Base; 2. Connecting mechanism; 201. Connecting shell; 202. Metal clamping plate; 203. Adjusting bolt; 204. Circular part; 205. Clamping ring; 206. Connecting pipe; 207. Sealing ring; 3. Fixed platform; 4. Rotating device; 5. Rotating bottle; 6. Microwave heating plate; 7. Heating container; 8. Fixed ring; 9. Clamping protrusion; 10. Sealing cover; 11. Limiting ring; 12. Placement groove; 13. Connecting column; 14. Sealing piece; 15. Clamping groove; 16. Fixed part; 17. Reinforcing bolt; 18. Plug-in; 19. Jack; 20. Support platform; 21. Variable frequency motor; 22. Rubber pad; 23. Reinforcing plate; 24. Bolt; 25. Temperature sensor; 26. Control panel; 27. Support frame; 28. Cooling tank; 29. Handle; 30. Anti-slip sleeve. Detailed implementation manners

[0038] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0039] Referring to Figure 1 、 Figure 4 and Figure 5 ,an embodiment provided by the present utility model: An efficient rotary evaporator includes a base 1, a rotary flask 5 and a heating container 7. A fixed platform 3 is fixedly connected to the left side of the top of the base 1. A rotating device 4 is fixedly connected to the top of the fixed platform 3. A variable-frequency motor 21 is fixedly connected to the top of the rotating device 4. A fixed ring 8 is fixedly connected to the top of the heating container 7. A clamping protrusion 9 is fixedly connected to the left side of the top of the fixed ring 8. A sealing cover 10 is arranged on the top of the fixed ring 8. A limiting ring 11 is fixedly connected to the bottom of the outer wall of the sealing cover 10. A placement groove 12 is opened on the left side of the outer wall of the sealing cover 10. A connecting column 13 is fixedly connected to the top of the sealing cover 10. Sealing pieces 14 are rotatably connected to the outer walls of the connecting column 13. Card slots 15 are opened on the adjacent sides of the two sealing pieces 14. Jacks 19 are opened on the tops of the two sealing pieces 14. A fixing member 16 is fixedly connected to the left side of the top of the sealing cover 10. A reinforcing bolt 17 is threadedly connected to the top of the fixing member 16. A plug-in member 18 is rotatably connected to the outer wall of the reinforcing bolt 17. The bottom end of the plug-in member 18 passes through the top of the fixing member 16 and is slidably connected to the inside of the jack 19. A connecting mechanism 2 is arranged on the top of the base 1. A support platform 20 is fixedly connected to the right side of the fixed platform 3. A microwave heating plate 6 is fixedly connected to the right side of the top of the support platform 20. A temperature sensor 25 is fixedly connected to the right side of the outer wall of the heating container 7. Rubber pads 22 are fixedly connected to the four corners of the bottom of the base 1. A support frame 27 is fixedly connected to the left side of the top of the base 1. A cooling tank 28 is installed at the top end of the support frame 27;

[0040] Specifically, by adjusting the height of the support table 20, the body of the rotating bottle 5 is immersed in the heating container 7. By turning on the microwave heating plate 6, the water in the heating container 7 is heated. The heating container 7 adopts a microwave heating method, which can heat the liquid in the rotating bottle 5 more evenly. To avoid internal temperature loss, a sealing cover 10 is placed on the top of the heating container 7. A heat preservation layer is arranged inside the sealing cover 10, which can effectively reduce the temperature loss. At the same time, the rotating bottle 5 is placed in the heating container 7 through the placement groove 12. At this time, a connecting column 13 is fixedly installed on the top of the sealing cover 10. The connecting column 13 rotatably installs two sealing pieces 14. Grooves are arranged on the adjacent sides of the sealing pieces 14, and the grooves can effectively be close to the port of the rotating bottle 5. At this time, the sealing pieces 14 are mutually attached to block the position of the placement groove 12. At the same time, to ensure the stability of the sealing cover 10 after being placed on the heating container 7, when the sealing pieces 14 are mutually attached, the clamping grooves 15 at the bottom of the sealing pieces 14 will be inserted into the clamping protrusions 9 on the fixing ring 8; then turn down the reinforcing bolt 17 at the top of the fixing member 16 to drive the plug-in 18 to slide downward. At the same time, the plug-in 18 will be limited by the fixing member 16 and accurately inserted into the jack 19, so as to complete the fixing treatment between the sealing piece 14, the heating container 7 and the sealing cover 10. Finally, start the frequency conversion motor 21 to drive the rotating device 4 to operate. The rotating device 4 drives the rotating bottle 5 to rotate. The model of the frequency conversion motor 21 is yvf2-100l2-4 3kw; using the frequency conversion motor 21 to drive the rotating device 4 can accurately control the rotation speed and further improve the evaporation efficiency; a temperature sensor 25 is installed on the outer wall of the heating container 7, and the output end of the temperature sensor 25 is arranged inside the heating container 7, which can monitor and accurately control the heating temperature in real time, avoiding the loss or damage of the sample.

[0041] Referring to Figure 1 , Figure 2 and Figure 3 , the connecting mechanism 2 includes a connecting shell 201. The inside of the connecting shell 201 is fixedly connected to the output end of the rotating device 4. Metal clamping plates 202 are fixedly connected to the left and right sides inside the connecting shell 201. Adjusting bolts 203 are threadedly connected to the left and right sides of the outer wall of the connecting shell 201. The adjacent ends of the two adjusting bolts 203 penetrate through the outer wall of the connecting shell 201 and are fixedly connected to round pieces 204. A connecting pipe 206 is communicated with the top of the outer wall of the rotating bottle 5. A clamping ring 205 is fixedly connected to the outer wall of the connecting pipe 206. The connecting mechanism 2 further includes a sealing ring 207. The inner wall of the sealing ring 207 is fixedly connected to the outer wall of the connecting pipe 206. The outer wall of the sealing ring 207 is slidably connected to the inner wall of the connecting shell 201;

[0042] Specifically, a connecting shell 201 is fixedly installed at the output end of the rotating device 4. The connecting pipe 206 at the port of the rotating bottle 7 is inserted into the connecting shell 201 and the rotating device 4. A clamping ring 205 is fixedly installed on the outer wall of the connecting pipe 206. The clamping ring 205, the connecting pipe 206 and the rotating bottle 5 are integrally designed, greatly improving the firmness of the rotating bottle 5 during use. When the adjusting bolts 203 on both sides of the outer wall of the connecting shell 201 are rotated inward, when the adjusting bolts 203 move inward, two metal clamping plates 202 will be inwardly pressed by the round pieces 204 at the ends. The metal clamping plates 202 are made of shape memory metal and have good resilience, improving the service life. When the metal clamping plates 202 are inwardly pressed and deformed, the inner bayonet will be clamped in the clamping ring 205. There is a notch at the bottom of the clamping ring 205, which can be well clamped. In this way, when installing and connecting the rotating bottle 5, it can be more convenient and stable.

[0043] Referring to Figure 1 and Figure 2 , reinforcing plates 23 are fixedly connected to the front and rear sides of the fixed platform 3. Bolts 24 are threadedly connected to the tops of the two reinforcing plates 23. A control panel 26 is fixedly connected to the front side of the fixed platform 3. The control panel 26 is electrically connected to the rotating device 4, the microwave heating plate 6, the variable frequency motor 21 and the temperature sensor 25 respectively. A handle 29 is fixedly connected to the upper right side of the top of the sealing cover 10. An anti-slip sleeve 30 is fixedly connected to the outer wall of the handle 29.

[0044] Specifically, the fixed platform 3 and the base 1 are connected and fixed through the cooperation of the reinforcing plates 23 and the bolts 24, improving the firmness between the fixed platform 3 and the base 1 and ensuring the stability of the device. The operating equipment on the entire device is simply operated and controlled through the control panel 26, improving the accuracy during operation. A handle 29 is installed on the top of the sealing cover 10, and the sealing cover 10 can be conveniently removed through the handle 29, making it more convenient to use.

[0045] Working principle: During the operation, first pour the solution into the rotating bottle 5, then install the rotating bottle 5 on the output end of the rotating device 4. By adjusting the height of the support platform 20, immerse the body of the rotating bottle 5 in the heating container 7. Place the sealing cover 10 on the top of the heating container 7. The rotating bottle 5 is placed in the heating container 7 through the placement groove 12. Grooves are provided on the adjacent sides of the sealing piece 14, and the grooves can effectively be close to the port of the rotating bottle 5. At this time, the sealing pieces 14 are mutually attached to block the position of the placement groove 12. When the sealing pieces 14 are mutually attached, the card slots 15 at the bottom of the sealing pieces 14 will be inserted into the engaging protrusions 9 on the fixing ring 8, and then rotate the reinforcement bolt 17 downward to drive the plug-in 18 to be inserted downward into the jack 19 to complete the fixing process between the sealing piece 14, the sealing cover 10 and the heating container 7. Finally, start the frequency conversion motor 21 to drive the rotating device 4 to rotate. The frequency conversion motor 21 can accurately control the rotation speed, further improving the evaporation efficiency. The temperature sensor 25 is arranged inside the heating container 7 to monitor and accurately control the heating temperature in real time, avoiding the loss or damage of the sample. Heat the water in the heating container 7 by turning on the microwave heating plate 6. The heating container 7 adopts the microwave heating method, which can heat the liquid in the rotating bottle 5 more evenly. In order to avoid heat loss inside;

[0046] And insert the connecting pipe 206 on the port of the rotating bottle 7 into the connecting shell 201 and the rotating device 4. The snap ring 205, the connecting pipe 206 and the rotating bottle 5 are integrally designed, greatly improving the firmness of the rotating bottle 5. Rotate the adjusting bolts 203 on both sides of the connecting shell 201 inward, so that the adjusting bolts 203 move inward. The round parts 204 at the ends of the adjusting bolts 203 squeeze the metal clamping plates 202 inward, and the metal clamping plates 202 are squeezed and deformed inward. At this time, the inner bayonet will be engaged in the snap ring 205. In this way, when installing and connecting the rotating bottle 5, it can be more convenient and stable.

[0047] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-efficiency rotary evaporator, comprising a base (1), a rotary bottle (5) and a heating container (7), characterized in that: The top left side of the base (1) is fixedly connected to a fixed platform (3), the top of the fixed platform (3) is fixedly connected to a rotating device (4), the top of the rotating device (4) is fixedly connected to a variable frequency motor (21), the top of the heating container (7) is fixedly connected to a fixed ring (8), the top left side of the fixed ring (8) is fixedly connected to a locking protrusion (9), the top of the fixed ring (8) is provided with a sealing cover (10), the bottom of the outer wall of the sealing cover (10) is fixedly connected to a limiting ring (11), the left side of the outer wall of the sealing cover (10) is provided with a placement groove (12), and the top of the sealing cover (10) is fixedly connected to a connecting column (13), the outer wall of the connecting column (13) is rotatably connected to a sealing sheet (14), the adjacent sides of the two sealing sheets (14) are provided with a card groove (15), the tops of the two sealing sheets (14) are provided with a plug hole (19), the left side of the top of the sealing cover (10) is fixedly connected to a fixing piece (16), the top of the fixing piece (16) is threadedly connected to a reinforcing bolt (17), the outer wall of the reinforcing bolt (17) is rotatably connected to a plug-in (18), the bottom end of the plug-in (18) passes through the top of the fixing piece (16) and is slidably connected to the inside of the plug hole (19), and the top of the base (1) is provided with a connecting mechanism (2).

2. A high efficiency rotary evaporator according to claim 1, characterized in that: The connection mechanism (2) comprises a connection shell (201), the interior of the connection shell (201) is fixedly connected to the output end of the rotating device (4), the left and right sides of the interior of the connection shell (201) are fixedly connected to metal clamping plates (202), the left and right sides of the outer wall of the connection shell (201) are threadedly connected to adjustment bolts (203), the adjacent ends of the two adjustment bolts (203) penetrate the outer wall of the connection shell (201) and are fixedly connected to round parts (204), the top of the outer wall of the rotating bottle (5) is connected to a connection pipe (206), and the outer wall of the connection pipe (206) is fixedly connected to a clamping ring (205).

3. A high efficiency rotary evaporator according to claim 2, characterized in that: The connection mechanism (2) further comprises a sealing ring (207), the inner wall of the sealing ring (207) being fixedly connected to the outer wall of the connection pipe (206), and the outer wall of the sealing ring (207) being slidably connected to the inner wall of the connection shell (201).

4. A high-efficiency rotary evaporator according to claim 1, characterized in that: A support platform (20) is fixedly connected to the right side of the fixed platform (3), a microwave heating plate (6) is fixedly connected to the right side of the top of the support platform (20), and a temperature sensor (25) is fixedly connected to the right side of the outer wall of the heating container (7).

5. A high efficiency rotary evaporator according to claim 1, characterized in that: The four corners at the bottom of the base (1) are all fixedly connected to rubber pads (22), the left side of the top of the base (1) is fixedly connected to a support frame (27), and a cooling tank (28) is installed at the top of the support frame (27).

6. A high-efficiency rotary evaporator according to claim 1, characterized in that: The front and rear sides of the fixing platform (3) are both fixedly connected with reinforcement plates (23), and the tops of the two reinforcement plates (23) are both threadedly connected with bolts (24).

7. A high-efficiency rotary evaporator according to claim 1, characterized in that: A control panel (26) is fixedly connected to the front side of the fixed platform (3), and the control panel (26) is electrically connected to the rotating device (4), the microwave heating plate (6), the variable frequency motor (21) and the temperature sensor (25), respectively.

8. A high efficiency rotary evaporator according to claim 1, characterized in that: A handle (29) is fixedly connected to the right side of the top of the sealing cover (10), and an anti-slip sleeve (30) is fixedly connected to the outer wall of the handle (29).

Images