Novel centrifugal extractor

Abstract

The utility model belongs to the technical field of centrifugal extractors, and particularly relates to a novel centrifugal extractor. Comprising an upper shell and a lower shell, the upper shell and the lower shell are fixedly connected, a control panel is arranged on the upper shell, a transmission shaft is rotationally connected into the upper shell, a storage rack is fixedly connected to the transmission shaft, a plurality of test tubes are evenly inserted into the storage rack, and a manual speed change assembly is arranged on the lower shell corresponding to the transmission shaft. According to the utility model, the structure similar to a gearbox is improved, so that the motor can be ensured to work at a relatively stable power to the greatest extent, an experimenter can realize corresponding speed change only by controlling the adjustment of the transmission relationship between gears of a machine, the operation is simple, the use is convenient, the motor is protected, and the working efficiency of the experimenter is improved. And the overall reliability and the service life are longer.

Description

Technical Field

[0001] The utility model belongs to the technical field of centrifugal extractors, and in particular relates to a novel centrifugal extractor. Background Art

[0002] Centrifugal extractor is a commonly used chemical separation equipment, which uses the different separation coefficients of substances under the action of centrifugal force to achieve the separation and purification of substances. Centrifugal extractor is widely used in drug research and development, chemical production, food processing and other fields.

[0003] There are many factors that affect the extraction effect. The more common factors are as follows: the size of the centrifugal force, the solubility of the substance itself, the time of centrifugal extraction, and the choice of extraction machine. In the laboratory, many small centrifugal extractors are used. In order to improve the decomposition effect of the extraction, the most direct way is to adjust it by changing the centrifugal force. Since it is driven by a motor, in order to change the speed of the motor, the most direct way is to adjust the motor speed by changing the corresponding power. This method has limits, and the motor is prone to damage by frequent power adjustments. In response to the above problems, a new and durable centrifugal extractor is proposed. Utility Model Content

[0004] In order to solve the problems existing in the background technology, the utility model provides a novel centrifugal extractor; it has more reliable and durable capabilities and can be used effectively.

[0005] The utility model provides a novel centrifugal extractor, comprising an upper shell and a lower shell, wherein the upper shell and the lower shell are fixedly connected, a control panel is arranged on the upper shell, a transmission shaft is rotatably connected in the upper shell, a storage rack is fixedly connected on the transmission shaft, a plurality of test tubes are evenly inserted on the storage rack, and a manual speed change assembly is arranged on the lower shell corresponding to the transmission shaft; the manual speed change assembly comprises a motor located in the lower shell, the control panel is electrically connected to the motor, a transmission rod 1 is fixedly connected to the output end of the motor, a first gear 1, a second gear 1 and a third gear 1 are sleeved on the transmission rod 1 in sequence, a slide groove is symmetrically arranged on the upper and lower sides of the second gear 1, and a space between the upper shell and the lower shell is provided. A rotating block is provided for rotation, the rotating block is fixedly connected to the transmission shaft, and a transmission rod 2 is fixedly connected to the lower side of the rotating block. The transmission rod 2 is fixedly connected with a first-speed gear 2, a second-speed gear 2 and a third-speed gear 2 in sequence, the first-speed gear 1 is meshed with the first-speed gear 2, the second-speed gear 1 is meshed with the second-speed gear 2, and the third-speed gear 1 is meshed with the third-speed gear 2. A rotating rod is rotatably connected to the lower shell body, and one end of the rotating rod extending into the lower shell body is fixedly connected to a connecting rod 1, and a control block is rotatably connected to the connecting rod 1, and a control rod is symmetrically fixedly connected to the control block, and the control rod is slidably connected to the slide groove, and a fixing mechanism is provided at one end of the rotating rod located outside the lower shell body.

[0006] Furthermore, the fixing mechanism includes positioning holes evenly arranged on the lower shell body about the rotating rod, the rotating rod is fixedly connected to a second connecting rod, the second connecting rod is rotatably connected to a control handle, the control handle is plug-connected to the second connecting rod, and the control handle is plug-connected to the positioning hole.

[0007] Furthermore, a rubber pad is provided on the control handle.

[0008] Furthermore, an indicating arrow is provided on the lower shell body corresponding to the second connecting rod.

[0009] Furthermore, sound insulation cotton is fixedly connected to the inner wall of the lower shell.

[0010] Furthermore, a sound insulation pad is fixedly connected to the lower side of the lower shell.

[0011] Furthermore, a cover plate is hingedly provided at the opening of the upper shell, and a control groove is provided on the cover plate.

[0012] Furthermore, the transmission rod 1 and the transmission rod 2 are both rotatably connected to the inner wall of the lower shell body.

[0013] Beneficial effects of the utility model:

[0014] The utility model is used on the motor through the improvement of the structure similar to the gearbox, which can guarantee to the utmost that the motor can work under a relatively stable power. The experimenter can achieve the corresponding speed change by adjusting the transmission relationship between the gears of the control machine. The operation is simple and easy to use, and the motor is protected, so that the overall reliability and life are longer. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a top perspective view of a novel centrifugal extractor of the utility model.

[0016] Figure 2 This is a bottom-up stereoscopic diagram of a novel centrifugal extractor of the utility model.

[0017] Figure 3 It is a partial cross-sectional view of a novel centrifugal extractor of the utility model.

[0018] Figure 4 The utility model is a schematic diagram of a manual speed change component of a novel centrifugal extractor.

[0019] Figure 5 This is a schematic diagram of area A of a novel centrifugal extractor of the present invention.

[0020] Figure 6 The utility model is a schematic diagram of the second gear of a novel centrifugal extractor.

[0021] As shown in the figure:

[0022] 1. Upper shell, 2. Lower shell, 3. Control panel, 4. Transmission shaft, 5. Storage rack, 6. Test tube, 7. Motor, 8. Transmission rod one, 9. First gear one, 10. Second gear one, 11. Third gear one, 12. Slide, 13. Rotating block, 14. Transmission rod two, 15. First gear two, 16. Second gear two, 17. Third gear two, 18. Rotating rod, 19. Connecting rod one, 20. Control block, 21. Control rod, 22. Positioning hole, 23. Connecting rod two, 24. Control handle, 25. Rubber pad, 26. Indicator arrow, 27. Sound insulation cotton, 28. Sound insulation pad, 29. Cover plate, 30. Control slot. DETAILED DESCRIPTION

[0023] 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.

[0024] In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0025] Please see all instructions drawings:

[0026] A novel centrifugal extractor comprises an upper shell 1 and a lower shell 2, the upper shell 1 and the lower shell 2 are fixedly connected, a control panel 3 is arranged on the upper shell 1, a transmission shaft 4 is rotatably connected in the upper shell 1, a storage rack 5 is fixedly connected to the transmission shaft 4, a plurality of test tubes 6 are evenly inserted on the storage rack 5, the test tubes 6 are radially arranged, and have a certain inclination angle corresponding to the vertical surface; a manual speed change component is arranged on the lower shell 2 corresponding to the transmission shaft 4;

[0027] The manual transmission assembly includes a motor 7 located in the lower housing 2, the control panel 3 is electrically connected to the motor 7, a transmission rod 1 8 is fixedly connected to the output end of the motor 7, a first gear 1 9, a second gear 10 and a third gear 11 are sleeved on the transmission rod 1 8 in sequence, and a slide groove 12 is symmetrically arranged on the upper and lower sides of the second gear 10, a rotating block 13 is rotatably arranged between the upper housing 1 and the lower housing 2, the rotating block 13 is fixedly connected to the transmission shaft 4, a transmission rod 2 14 is fixedly connected to the lower side of the rotating block 13, and a first gear 2 15, a second gear 10 and a third gear 11 are fixedly connected to the transmission rod 2 14 in sequence. The second gear 16 and the third gear 2 17, the first gear 19 and the first gear 2 15 are meshed with each other, the second gear 10 and the second gear 2 16 are meshed with each other, the third gear 11 and the third gear 2 17 are meshed with each other, the lower shell 2 is rotatably connected with a rotating rod 18, and one end of the rotating rod 18 extending into the lower shell 2 is fixedly connected with a connecting rod 19, and the connecting rod 19 is rotatably connected with a control block 20, and the control block 20 is symmetrically fixedly connected with a control rod 21, and the control rod 21 is slidably connected with the slide slot 12, and a fixing mechanism is provided at one end of the rotating rod 18 located outside the lower shell 2;

[0028] From the above description, it can be seen that the first gear gear 1 9, the second gear gear 1 10 and the third gear gear 1 11 are meshed with the corresponding first gear gear 2 15, the second gear gear 2 16 and the third gear gear 2 17, and the speed is adjusted by using different gear ratios. By manually adjusting the rotating rod 18, the internal control block 20 is driven to move, and the control block drives the first gear gear 1 9, the second gear gear 10 and the third gear gear 1 11 to move up and down, thereby realizing the meshing transmission between different gear sets.

[0029] As a technical optimization solution of the utility model, the fixing mechanism includes positioning holes 22 evenly arranged on the lower shell 2 about the rotating rod 18, the rotating rod 18 is fixedly connected with a second connecting rod 23, the second connecting rod 23 is rotatably connected with a control handle 24, the control handle 24 is plug-connected with the second connecting rod 23, and the control handle 24 is plug-connected with the positioning hole 22;

[0030] It can be known from the above description that the control handle 24 can be controlled and fixed through the positioning hole 22, so as to fix the rotating rod 18 and realize the corresponding speed adjustment and fixation.

[0031] As a technical optimization solution of the utility model, a rubber pad 25 is provided on the control handle 24;

[0032] From the above description, it can be seen that the rubber pad 25 can increase the friction force and facilitate the control of the palm.

[0033] As a technical optimization solution of the utility model, an indicating arrow 26 is provided on the lower shell 2 corresponding to the second connecting rod 23;

[0034] From the above description, it can be seen that the experimenter can play a prompting role when using it for the first time.

[0035] As a technical optimization solution of the utility model, a sound insulation cotton 27 is fixedly connected to the inner wall of the lower shell 2, and a sound insulation pad 28 is fixedly connected to the lower side of the lower shell 2;

[0036] From the above description, it can be seen that the sound insulation cotton 27 and the sound insulation pad 28 can have a good sound insulation effect and effectively improve the overall comfort of use.

[0037] As a technical optimization solution of the utility model, a cover plate 29 is hingedly provided at the opening of the upper shell 1, and a control groove 30 is provided on the cover plate 29;

[0038] From the above description, it can be seen that the cover plate 29 can provide a stable environment during centrifugal extraction, and the control groove 30 can facilitate fingers to be buckled into the control groove 30, and the control cover plate 29 is more convenient.

[0039] As a technical optimization solution of the utility model, the transmission rod 1 8 and the transmission rod 2 14 are both rotatably connected to the inner wall of the lower shell 2;

[0040] It can be seen from the above description that such a connection method can improve the stability of the transmission rod 1 8 and the transmission rod 2 14.

[0041] Working principle:

[0042] The staff puts the solution to be extracted in the test tube 6, inserts it into the rack 5, covers the cover 29, and operates through the control panel 3 to drive the motor 7 to work. The motor 7 drives the transmission rod 1 8 to rotate, drives the corresponding transmission rod 2 14 to rotate, so that the rack 5 rotates and drives the test tube 6 to perform centrifugal extraction operation. The staff can adjust the connection relationship of the gear set in the manual speed change component to control the change of the corresponding position for different centrifugal forces to obtain different rotation speeds, avoid the problem of damage caused by constantly adjusting the motor power of the motor 7 and the corresponding electrical power, and be more reliable.

[0043] The above describes the utility model and its implementation methods, which are not restrictive. The specific implementation method is only one of the implementation methods of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A novel centrifugal extractor, comprising an upper shell and a lower shell, wherein the upper shell and the lower shell are fixedly connected, and a control panel is provided on the upper shell, characterized in that: A transmission shaft is rotatably connected in the upper shell body, a storage rack is fixedly connected to the transmission shaft, and a number of test tubes are evenly inserted on the storage rack. A manual transmission assembly is provided in the lower shell body corresponding to the transmission shaft; the manual transmission assembly includes a motor located in the lower shell body, the control panel is electrically connected to the motor, a transmission rod 1 is fixedly connected to the output end of the motor, a first-speed gear 1, a second-speed gear 1 and a third-speed gear 1 are sequentially sleeved on the transmission rod 1, and slide grooves are symmetrically provided on the upper and lower sides of the second-speed gear 1, a rotating block is rotatably provided between the upper shell body and the lower shell body, the rotating block is fixedly connected to the transmission shaft, and the rotating block The lower side surface is fixedly connected with a transmission rod 2, and the transmission rod 2 is fixedly connected with a first-speed gear 2, a second-speed gear 2 and a third-speed gear 2 in sequence, the first-speed gear 1 is meshed with the first-speed gear 2, the second-speed gear 1 is meshed with the second-speed gear 2, and the third-speed gear 1 is meshed with the third-speed gear 2. A rotating rod is rotatably connected to the lower shell body, and one end of the rotating rod extending into the lower shell body is fixedly connected with a connecting rod 1, and a control block is rotatably connected to the connecting rod 1, and a control rod is symmetrically fixedly connected to the control block, and the control rod is slidably connected to the slide groove, and a fixing mechanism is provided at one end of the rotating rod located outside the lower shell body.

2. A novel centrifugal extractor according to claim 1, characterized in that: The fixing mechanism includes positioning holes evenly arranged on the lower shell body about the rotating rod, the rotating rod is fixedly connected to the second connecting rod, the second connecting rod is rotatably connected to the control handle, the control handle is plug-connected to the second connecting rod, and the control handle is plug-connected to the positioning hole.

3. A novel centrifugal extractor according to claim 2, characterized in that: A rubber pad is arranged on the control handle.

4. A novel centrifugal extractor according to claim 3, characterized in that: An indicating arrow is arranged on the lower shell body corresponding to the second connecting rod.

5. A novel centrifugal extractor according to claim 1, characterized in that: The inner wall of the lower shell is fixedly connected with sound insulation cotton.

6. A novel centrifugal extractor according to claim 1, characterized in that: A sound insulation pad is fixedly connected to the lower side of the lower shell.

7. A novel centrifugal extractor according to claim 1, characterized in that: A cover plate is hingedly provided at the opening of the upper shell, and a control groove is provided on the cover plate.

8. A novel centrifugal extractor according to claim 1, characterized in that: The transmission rod 1 and the transmission rod 2 are both rotatably connected to the inner wall of the lower shell body.

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