Rotary evaporator convenient to clean

Abstract

The utility model discloses a rotary evaporator convenient to clean, which belongs to the technical field of rotary evaporators and comprises a support, a lifting component is arranged in the support, a water bath kettle is connected to the side face of the lifting component, and a heat locking component is connected to the side face of the water bath kettle. Under the pulling action force of a spring on a fixing block, a fixing rod and a fixing groove are connected in an inserted mode to position a heat locking cover, the heat locking cover can well prevent heat from dissipating, the heating effect of the water bath kettle on a rotating bottle can be better, a motor drives a stirring piece on a connecting rod to stir water liquid, uniform heating is facilitated, and therefore the heating efficiency is higher; according to the water bath kettle, the lifting assembly and the positioning block play a positioning role, the transmission block can drive the water bath kettle to move downwards under the meshing connection of the rotating screw rod and the transmission block, the water bath kettle and the rotating bottle can be conveniently controlled to be separated, and the rotating bottle can be detached and cleaned.

Description

Technical Field

[0001] The utility model belongs to the technical field of rotary evaporators, and in particular relates to a rotary evaporator which is easy to clean. Background Art

[0002] Rotary evaporator is a commonly used equipment for distillation and solvent recovery in the preparation process of pharmaceutical intermediates. Since there are various impurities in the reaction liquid during the preparation process of pharmaceutical intermediates, during the concentration and distillation process, the impurities will remain on the surface of the condenser tube wall in the rotary evaporator and are difficult to remove, which will affect the efficiency of rotary evaporation over time.

[0003] Chinese patent application No. 201520407183.9 discloses a rotary evaporator that is easy to clean. It belongs to chemical equipment and includes a rotary bottle, a water bath, a bracket, a receiving bottle, and a condenser. The characteristic is that a cleaning pipeline is added to the condenser to facilitate cleaning of stains on the surface of the condenser tube in the condenser, and the dirty liquid after cleaning directly flows out along the liquid outlet on the outer wall of the condenser, which will not cause pollution to the inner tube of the condenser, and is easy to use.

[0004] In the above-mentioned patent, the water bath loses a lot of heat when the water vapor is discharged during the heating process and cannot be fully utilized for heating. The water bath and the rotating bottle need to fit tightly together to facilitate heating, and the water bath forms an obstruction at the bottom, making it inconvenient to disassemble the rotating bottle. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a rotary evaporator which is easy to clean and has the characteristics of good use effect and easy disassembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary evaporator that is easy to clean, comprising a bracket, a lifting assembly is provided inside the bracket, a water bath is connected to the side of the lifting assembly, a heat locking assembly is connected to the side of the water bath, a control panel is provided on the top of the bracket, a rotating bottle is installed on the side of the bracket, a condenser is connected to the side of the rotating bottle, and a receiving bottle is connected to the bottom of the condenser.

[0007] Preferably, the heat locking assembly includes a heat locking cover, an auxiliary assembly, a fixed block, a fixed rod and a rotating part, wherein the side of the water bath is connected to the rotating part, the surface of the rotating part is covered with a heat locking cover, the surface of the heat locking cover is provided with a fixing groove, the surface of the water bath is connected to the fixed block, the interior of the fixed block is embedded with a fixed rod, the interior of the water bath is embedded with an auxiliary assembly, and the fixing rod and the fixed block are of a plug-in structure.

[0008] Preferably, a spring is connected between the rod cap of the fixing rod and the fixing block, a groove is provided on the side of the heat locking cover, and the heat locking cover fits tightly with the water bath.

[0009] Preferably, the auxiliary component includes a motor, a connecting rod, an agitating blade and a partition, wherein the motor is embedded in the water bath, the top of the motor is connected to the connecting rod, the surface of the connecting rod is connected to the agitating blade, and a partition is arranged above the connecting rod.

[0010] Preferably, the lifting assembly includes a screw, a positioning block, a transmission block and a through slot, wherein a through slot is opened inside the bracket, a screw is embedded inside the through slot, a positioning block is sleeved on the surface of the screw inside the bracket, and a transmission block is connected to the side of the water bath.

[0011] Preferably, the positioning block is in a circular ring structure, a threaded hole is provided inside the transmission block, and the surface of the transmission block is tightly fitted with the inner wall of the through groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a heat locking component, covers the heat locking cover by a rotating part, and under the pulling force of the spring on the fixed block, the fixed rod and the fixed groove are plugged to position the heat locking cover. The heat locking cover can well prevent the heat from escaping, so that the water bath can heat the rotating bottle better. The motor drives the stirring piece on the connecting rod to stir the water, so that the water can flow so as to be evenly heated and the heating efficiency is higher.

[0014] 2. The utility model sets a lifting component, and the positioning block plays a positioning role. When the rotating screw is meshed with the transmission block, the through groove limits the transmission block. The transmission block can drive the water bath pot to move downward, which is convenient for controlling the separation of the water bath pot and the rotating bottle to disassemble and clean the rotating bottle. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is a front view of the heat lock component of the utility model;

[0017] Figure 3 This is a front view of the auxiliary component of the utility model;

[0018] Figure 4 This is the front view of the lifting component of the utility model.

[0019] In the figure: 1. control panel; 2. condenser; 3. bracket; 4. lifting assembly; 41. screw; 42. positioning block; 43. transmission block; 44. through slot; 5. receiving bottle; 6. water bath; 7. rotating bottle; 8. heat locking assembly; 81. heat locking cover; 82. auxiliary assembly; 821. motor; 822. connecting rod; 823. stirring plate; 824. partition; 83. fixing block; 84. fixing rod; 85. spring; 86. rotating part; 87. fixing slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a rotary evaporator that is easy to clean, including a bracket 3, a lifting component 4 is provided inside the bracket 3, a water bath 6 is connected to the side of the lifting component 4, a heat locking component 8 is connected to the side of the water bath 6, a control panel 1 is provided on the top of the bracket 3, a rotating bottle 7 is installed on the side of the bracket 3, a condenser 2 is connected to the side of the rotating bottle 7, and a receiving bottle 5 is connected to the bottom of the condenser 2.

[0023] Specifically, the heat locking component 8 includes a heat locking cover 81, an auxiliary component 82, a fixed block 83, a fixed rod 84 and a rotating member 86. The side of the water bath 6 is connected to the rotating member 86, the surface of the rotating member 86 is covered with the heat locking cover 81, and the surface of the heat locking cover 81 is provided with a fixing groove 87. The surface of the water bath 6 is connected to the fixed block 83, the interior of the fixed block 83 is embedded with the fixed rod 84, the interior of the water bath 6 is embedded with the auxiliary component 82, and the fixing rod 84 and the fixed block 83 are plug-in structures.

[0024] By adopting the above technical solution, the heat lock cover 81 is covered by the rotating member 86, and the fixing rod 84 is plugged into the fixing groove 87 to position the heat lock cover 81. The heat lock cover 81 can effectively prevent the heat from escaping, so that the water bath pot 6 can heat the rotating bottle 7 better.

[0025] Specifically, a spring 85 is connected between the rod cap of the fixing rod 84 and the fixing block 83 , and a groove is provided on the side of the heat locking cover 81 , so that the heat locking cover 81 and the water bath pot 6 are tightly fitted.

[0026] By adopting the above technical solution, the fixing rod 84 and the fixing groove 87 can be tightly plugged together under the pulling force of the spring 85 on the fixing block 83, so that the closed positioning can be more secure.

[0027] Specifically, a spring 85 is connected between the rod cap of the fixing rod 84 and the fixing block 83 , and a groove is provided on the side of the heat locking cover 81 , so that the heat locking cover 81 and the water bath pot 6 are tightly fitted.

[0028] By adopting the above technical solution, the motor 821 drives the stirring blade 823 on the connecting rod 822 to stir the water, so that the water can flow so as to be evenly heated and thus have a higher heating efficiency. The partition 824 is used to block the stirring blade 823 to avoid damaging the rotating bottle 7.

[0029] When the present embodiment is used, the water bath 6 is controlled by the control panel 1 to heat the internal water liquid, the motor 821 is started to drive the stirring piece 823 on the connecting rod 822 to stir the water liquid, so that the water liquid can flow so as to be evenly heated and thus the heating efficiency can be higher, the partition 824 is used to block the stirring piece 823 to avoid damaging the rotating bottle 7, the rotating device controls the rotating bottle 7 to rotate in the water bath 6 to evaporate the internal water liquid, the rotating member 86 covers the heat lock cover 81, under the pulling force of the spring 85 on the fixing block 83, the fixing rod 84 and the fixing groove 87 are plugged to position the heat lock cover 81, the heat lock cover 81 can well prevent the heat from escaping, and the water bath 6 can have a better heating effect on the rotating bottle 7, the water vapor enters the condenser 2 and is liquefied when it is cooled, and the distilled water enters the receiving bottle 5 to complete the evaporation and collection, the side of the condenser 2 is connected with a cleaning pipe, and the inside of the condenser 2 can be rinsed by a vacuum pump.

[0030] Example 2

[0031] The present embodiment is different from the embodiment 1 in that the lifting assembly 4 includes a screw 41, a positioning block 42, a transmission block 43 and a through slot 44, the bracket 3 is provided with a through slot 44, the screw 41 is embedded in the through slot 44, the positioning block 42 is sleeved on the surface of the screw 41 inside the bracket 3, and the transmission block 43 is connected to the side of the water bath 6.

[0032] Specifically, the positioning block 42 is in a circular ring structure, a threaded hole is provided inside the transmission block 43 , and the surface of the transmission block 43 is tightly fitted to the inner wall of the through slot 44 .

[0033] By adopting the above technical solution, the positioning block 42 plays a positioning role. When the rotating screw 41 is engaged with the transmission block 43, the through groove 44 limits the transmission block 43. The transmission block 43 can drive the water bath 6 to move downward, which is convenient for controlling the separation of the water bath 6 and the rotating bottle 7 and disassembling and cleaning the rotating bottle 7.

[0034] When this embodiment is in use, the positioning block 42 plays a positioning role. When the screw rod 41 is engaged with the transmission block 43, the through groove 44 limits the transmission block 43. The transmission block 43 can drive the water bath 6 to move downward, so as to control the separation of the water bath 6 and the rotating bottle 7 and disassemble and clean the rotating bottle 7.

[0035] The motor 821 in the utility model is an existing disclosed technology, and the selected model is Z2D15W.

[0036] The structure and use principle of the control panel 1, condenser 2, bracket 3, receiving bottle 5, water bath 6 and rotating bottle 7 in the utility model have been disclosed in Chinese patent application No. 201520407183.9, which discloses a rotary evaporator that is easy to clean. Its working principle is to control the water bath 6 to heat the internal water liquid through the control panel 1, so that the rotating bottle 7 rotates in the water bath 6 to evaporate the internal water liquid, the water vapor enters the condenser 2 and is liquefied when cooled, and the water enters the receiving bottle 5 to complete evaporation and collection. A cleaning pipe is connected to the side of the condenser 2, and the condenser 2 can be rinsed by a vacuum pump.

[0037] Working principle and use process of the utility model: When the utility model is used, the water bath 6 is controlled by the control panel 1 to heat the internal water liquid, and the motor 821 is started to drive the stirring piece 823 on the connecting rod 822 to stir the water liquid, so that the water liquid can flow so as to be evenly heated and thus the heating efficiency is higher. The partition 824 is used to block the stirring piece 823 to avoid damaging the rotating bottle 7. The rotating device controls the rotating bottle 7 to rotate in the water bath 6 to evaporate the internal water liquid. The heat cover 81 is locked by the rotating member 86. Under the pulling force of the spring 85 on the fixed block 83, the fixed rod 84 and the fixed groove 87 are plugged to The heat lock cover 81 is used for positioning, and the heat lock cover 81 can effectively prevent the heat from escaping, so that the water bath 6 can have a better heating effect on the rotating bottle 7. The water vapor enters the condenser 2 and is liquefied when cooled, and the distilled water enters the receiving bottle 5 to complete the evaporation and collection. A cleaning pipe is connected to the side of the condenser 2, and the inside of the condenser 2 can be flushed by a vacuum pump. The positioning block 42 plays a positioning role. The rotating screw 41 is meshed with the transmission block 43, and the through groove 44 limits the transmission block 43. The transmission block 43 can drive the water bath 6 to move downward, which is convenient for controlling the separation of the water bath 6 and the rotating bottle 7 to disassemble and clean the rotating bottle 7.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary evaporator that is easy to clean, comprising a bracket, characterized in that: A lifting assembly is provided inside the bracket, a water bath is connected to the side of the lifting assembly, a heat locking assembly is connected to the side of the water bath, a control panel is provided on the top of the bracket, a rotating bottle is installed on the side of the bracket, a condenser is connected to the side of the rotating bottle, and a receiving bottle is connected to the bottom of the condenser.

2. A rotary evaporator that is easy to clean according to claim 1, characterized in that: The heat locking assembly includes a heat locking cover, an auxiliary assembly, a fixed block, a fixed rod and a rotating part, wherein the side of the water bath is connected to the rotating part, the surface of the rotating part is covered with a heat locking cover, the surface of the heat locking cover is provided with a fixing groove, the surface of the water bath is connected to the fixed block, the interior of the fixed block is embedded with a fixed rod, the interior of the water bath is embedded with an auxiliary assembly, and the fixing rod and the fixed block are in a plug-in structure.

3. A rotary evaporator that is easy to clean according to claim 2, characterized in that: A spring is connected between the rod cap of the fixing rod and the fixing block, a groove is provided on the side of the heat locking cover, and the heat locking cover is tightly fitted with the water bath pot.

4. A rotary evaporator that is easy to clean according to claim 2, characterized in that: The auxiliary component includes a motor, a connecting rod, a stirring blade and a partition, wherein the motor is embedded in the water bath, the top of the motor is connected to the connecting rod, the surface of the connecting rod is connected to the stirring blade, and a partition is arranged above the connecting rod.

5. The rotary evaporator easy to clean according to claim 1, characterized in that: The lifting assembly includes a screw, a positioning block, a transmission block and a through slot, wherein the interior of the bracket is provided with a through slot, the interior of the through slot is embedded with a screw, the surface of the screw inside the bracket is covered with a positioning block, and the side of the water bath pot is connected with a transmission block.

6. A rotary evaporator that is easy to clean according to claim 5, characterized in that: The positioning block is in a circular ring structure, a threaded hole is provided inside the transmission block, and the surface of the transmission block is tightly fitted with the inner wall of the through groove.

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