Clamping device of rotary evaporator

Abstract

The utility model provides a clamping device of a rotary evaporator, which belongs to the technical field of rotary evaporators and is provided with a base, a driving column is rotatably connected onto the base, a protective box is vertically slidably connected onto the driving column, and a U-shaped frame is rotatably connected onto the protective box. Two guide plates are fixedly mounted on the two opposite inner side walls of the U-shaped frame respectively, positioning columns located in the U-shaped frame are fixedly mounted in the middles of the guide plates, an I-shaped plate A and an I-shaped plate B are slidably connected in the U-shaped frame along the two guide plates, clamping plates are fixedly mounted on the I-shaped plate A and the I-shaped plate B respectively, arc-shaped clamping grooves are formed in the opposite faces of the clamping plates respectively, and clamping grooves are formed in the clamping grooves. Non-slip mats are fixedly mounted on the inner surfaces of the clamping grooves and are in contact with the outer surface of the rotary bottle body; according to the rotary bottle clamping device, the technical problem that the center lines of rotary bottles with different diameters are located at different positions when the arc-shaped pressing plate moves unilaterally to clamp the rotary bottles is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rotary evaporators, and in particular relates to a clamping device for a rotary evaporator. Background Art

[0002] Rotary evaporator, also known as rotary evaporator, is a commonly used laboratory equipment, consisting of a motor, distillation flask, heating pot, condenser and other parts. It is mainly used for continuous distillation of volatile solvents under reduced pressure conditions and is used in chemistry, chemical industry, biomedicine and other fields;

[0003] The utility model application number: CN202321010610.0 (publication number: CN219922086U) discloses a continuous high-efficiency rotary evaporator, comprising a base plate, a drive box fixedly connected to the left side of the top of the base plate, a lifting mechanism provided in the inner cavity of the drive box, a push rod fixedly connected to the right side of the lifting mechanism, and a protective box fixedly connected to the right side of the push rod;

[0004] When the above patent clamps the rotating bottle body, it is pressed on the placement plate by the arc-shaped pressure plate. For rotating bottles of different diameters, the arc-shaped pressure plate moves unilaterally to clamp them, which will cause the center line of the rotating bottle to be in a different position, and the height, angle, etc. of the rotating bottle need to be readjusted. Utility Model Content

[0005] The utility model aims to provide a clamping device for a rotary evaporator, which is used to solve the technical problem that when a curved pressing plate unilaterally moves to clamp rotary bottles of different diameters, the center lines of the rotary bottles are located at different positions.

[0006] The utility model is achieved in this way:

[0007] The utility model provides a clamping device for a rotary evaporator, comprising a base, a driving column provided on the base, a protection box vertically slidably connected to the driving column, and a U-shaped frame rotatably connected to the protection box, wherein;

[0008] A guide plate is fixedly installed on the two opposite inner side walls of the U-shaped frame, and an I-shaped plate A and an I-shaped plate B are slidably connected along the two guide plates in the U-shaped frame. Clamps are fixedly installed on the I-shaped plate A and the I-shaped plate B, and arc-shaped clamping grooves are provided on the opposite sides of the clamping grooves. Anti-slip pads are fixedly installed on the inner surfaces of the clamping grooves, and the anti-slip pads are in contact with the outer surface of the rotating bottle body.

[0009] On the basis of the above technical solution, the clamping device of a rotary evaporator of the present invention can also be improved as follows:

[0010] Furthermore, a positioning column located in the U-shaped frame is fixedly installed in the middle of the guide plate, the outer circumference of the bearing is fixedly installed between the two positioning columns, and the inner circumference of the bearing is fixedly connected to the middle of the rotating shaft.

[0011] Furthermore, one end of a screw rod A and one end of a screw rod B are fixedly mounted on both ends of the rotating shaft, and a knob is fixedly mounted on the other end of the screw rod A and the other end of the screw rod B.

[0012] Furthermore, a threaded hole A is provided on the I-plate A, and a threaded hole B is provided on the I-plate B. The I-plate A is threadedly connected to the screw rod A through the threaded hole A, and the I-plate B is threadedly connected to the screw rod B through the threaded hole B.

[0013] Furthermore, a driven wheel is fixedly mounted on the bottom wall of the driving column, a support shaft is fixedly mounted on the middle portion of the driven wheel, and the support shaft is rotatably connected to the base.

[0014] Furthermore, a driving motor is fixedly mounted on the top wall of the base, the top end of the driving motor is fixedly connected to the middle portion of the driving wheel, and the driving wheel is meshedly connected to the driven wheel.

[0015] Compared with the prior art, the beneficial effect of the clamping device of the rotary evaporator provided by the utility model is: by setting a U-shaped frame, the structure on the U-shaped frame can clamp the rotating bottle body in the vertical middle position of the U-shaped frame. When it is necessary to clamp rotating bottle bodies of different diameters, rotating bottle bodies of different specifications can be clamped in the same position, that is, the central axis of each clamped rotating bottle body can coincide, reducing the adjustment of the height, angle, rotation and other positions of the clamped rotating bottle body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 This is a front view of the overall structure of a clamping device for a rotary evaporator;

[0018] Figure 2 A first-angle axonometric view of a U-shaped frame of a rotary evaporator clamping device;

[0019] Figure 3 A second-angle axonometric view of a U-shaped frame of a rotary evaporator clamping device;

[0020] Figure 4 A front perspective view of a U-shaped frame of a rotary evaporator clamping device;

[0021] Figure 5 A perspective view of a drive column and a protective box of a clamping device for a rotary evaporator;

[0022] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0023] 1. Base; 10. Guide groove; 11. Drive column; 12. Protective box; 13. Drive motor A; 14. Drive motor B; 15. Screw C; 16. Screw block; 17. Connecting rod; 2. U-shaped frame; 20. Guide plate; 21. I-shaped plate A; 22. I-shaped plate B; 23. Clamping plate; 24. Clamping groove; 241. Anti-slip pad; 25. Threaded hole A; 26. Threaded hole B; 31. Positioning column; 32. Bearing; 33. Rotating shaft; 34. Screw A; 35. Screw B; 36. Knob; 41. Driven wheel; 42. Support shaft; 51. Drive motor; 52. Driving wheel. DETAILED DESCRIPTION

[0024] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0026] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined. Example 1

[0029] like Figure 1-4 As shown, the utility model provides a clamping device for a rotary evaporator, comprising a base 1, a driving column 11 being provided on the base 1, a protection box 12 being vertically slidably connected to the driving column 11, and a U-shaped frame 2 being rotatably connected to the protection box 12, wherein;

[0030] A guide plate 20 is fixedly installed on the two opposite inner side walls of the U-shaped frame 2, and an I-plate A21 and an I-plate B22 are slidably connected along the two guide plates 20 in the U-shaped frame 2. A clamping plate 23 is fixedly installed on the I-plate A21 and the I-plate B22, and an arc-shaped clamping groove 24 is provided on the opposite side of the clamping groove 24. An anti-slip pad 241 is fixedly installed on the inner surface of the clamping groove 24, and the anti-slip pad 241 abuts against the outer surface of the rotating bottle body.

[0031] Optionally, in the above technical solution, a positioning column 31 located in the U-shaped frame 2 is fixedly installed in the middle of the guide plate 20, and the outer circumferential surface of the bearing 32 is fixedly installed between the two positioning columns 31, and the inner circumferential surface of the bearing 32 is fixedly connected to the middle of the rotating shaft 33.

[0032] Optionally, in the above technical solution, one end of the screw A34 and the screw B35 are fixedly mounted on both ends of the rotating shaft 33, and the other ends of the screw A34 and the screw B35 are fixedly mounted with a knob 36.

[0033] Optionally, in the above technical solution, a threaded hole A25 is provided on the I-plate A21 and a threaded hole B26 is provided on the I-plate B22. The I-plate A21 is threadedly connected to the screw A34 through the threaded hole A25, and the I-plate B22 is threadedly connected to the screw B35 through the threaded hole B26.

[0034] Optionally, in the above technical solution, a driven wheel 41 is fixedly mounted on the bottom wall of the driving column 11 , a support shaft 42 is fixedly mounted in the middle of the driven wheel 41 , and the support shaft 42 is rotatably connected in the base 1 .

[0035] Optionally, in the above technical solution, a driving motor 51 is fixedly mounted on the top wall of the base 1 , the top end of the driving motor 51 is fixedly connected to the middle of the driving wheel 52 , and the driving wheel 52 is meshedly connected to the driven wheel 41 .

[0036] The screws A34 and B35 have opposite thread rotation directions; when the knob 36 at either end is turned, the screws A34 and B35 rotate simultaneously.

[0037] Furthermore, a protection box 12 is vertically slidably connected to the driving column 11, and a U-shaped frame 2 is rotatably connected to the protection box 12. Specifically, a driving motor A13 is fixedly mounted on the left inner wall of the protection box 12, and the output shaft of the driving motor A13 is horizontally arranged, passes through the side wall of the protection box 12 and is rotatably connected thereto, and the end of the output shaft of the driving motor A13 is fixedly connected to the middle part of the U-shaped frame 2;

[0038] A driving motor B14 is fixedly installed on the inner bottom wall of the driving column 11. The output shaft of the driving motor B14 extends upward, and a screw C15 is fixedly installed on the end. The top end of the screw C15 is rotatably connected to the inner top wall of the driving column 11. A screw block 16 is threadedly connected to the outer peripheral surface of the screw C15. The screw block 16 is fixedly connected to the protective box 12 by a connecting rod 17; wherein, a guide groove 10 is opened on the right wall of the driving column 11, and the connecting rod 17 is slidably connected in the guide groove 10.

[0039] When in use, first place the rotating bottle body between the two clamping plates 23, and turn any one of the knobs 36. Since the screws A34 and B35 are fixedly mounted on the rotating shaft 33, the screws A34 and B35 simultaneously rotate in place along the bearing 32 through the rotating shaft 33, and the I-shaped plates A21 and B22 simultaneously approach each other through the threaded holes A25 and B26 until the anti-slip pad 241 contacts the rotating bottle body, thereby clamping the rotating bottle body in the middle of the U-shaped frame 2;

[0040] According to the specific usage scenario, the drive motor B14 is started so that its output shaft drives the screw C15 to rotate. The rotation of the screw C15 drives the screw block 16 threadedly connected thereto to move up and down. The screw block 16 drives the connecting rod 17 to move up and down along the guide groove 10, thereby causing the protection box 12 to move up and down along the drive column 11, so as to adjust the height of the rotating bottle body. Starting the drive motor B14 can cause its output shaft to drive the U-shaped frame 2 to rotate along the protection box 12, so as to adjust the angle of the rotating bottle body.

[0041] Starting the driving motor 51 drives the driving wheel 52 to rotate, which can drive the driven wheel 41 engaged with the driving wheel 52 to rotate, so that the driving column 11 rotates in situ on the base 1 through the support shaft 42, and the position of the rotating bottle body can be adjusted.

[0042] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A holding device for a rotary evaporator, comprising a base (1), a driving column (11) provided on the base (1), a protection box (12) vertically slidably connected to the driving column (11), a U-shaped frame (2) rotatably connected to the protection box (12), characterized in that ； A guide plate (20) is fixedly mounted on two opposite inner side walls of the U-shaped frame (2), an I-shaped plate A (21) and an I-shaped plate B (22) are slidably connected along the two guide plates (20) in the U-shaped frame (2), a clamping plate (23) is fixedly mounted on each of the I-shaped plate A (21) and the I-shaped plate B (22), an arc-shaped clamping groove (24) is formed on each of the opposite sides of the clamping plate (23), an anti-slip pad (241) is fixedly mounted on the inner surface of the clamping groove (24), and the anti-slip pad (241) abuts against the outer surface of the rotating bottle body.

2. The clamping device for a rotary evaporator according to claim 1, characterized in that: A positioning column (31) located in the U-shaped frame (2) is fixedly installed in the middle of each guide plate (20), and the outer peripheral surface of a bearing (32) is fixedly installed between the two positioning columns (31). The inner peripheral surface of the bearing (32) is fixedly connected to the middle of the rotating shaft (33).

3. The clamping device for a rotary evaporator according to claim 2, characterized in that: One end of a screw rod A (34) and one end of a screw rod B (35) are fixedly mounted on both ends of the rotating shaft (33), and a knob (36) is fixedly mounted on the other end of the screw rod A (34) and the screw rod B (35).

4. The clamping device for a rotary evaporator according to claim 3, characterized in that: The I-shaped plate A (21) is provided with a threaded hole A (25), and the I-shaped plate B (22) is provided with a threaded hole B (26). The I-shaped plate A (21) is threadedly connected to the screw rod A (34) through the threaded hole A (25), and the I-shaped plate B (22) is threadedly connected to the screw rod B (35) through the threaded hole B (26).

5. The clamping device for a rotary evaporator according to claim 1, characterized in that: A driven wheel (41) is fixedly mounted on the bottom wall of the driving column (11), a support shaft (42) is fixedly mounted in the middle of the driven wheel (41), and the support shaft (42) is rotatably connected in the base (1).

6. The clamping device for a rotary evaporator according to claim 5, characterized in that: A driving motor (51) is fixedly mounted on the top wall of the base (1), the top end of the driving motor (51) is fixedly connected to the middle of the driving wheel (52), and the driving wheel (52) is meshedly connected to the driven wheel (41).

Images