Electric centrifugal machine rotating frame with adjusting capacity

Abstract

The electric centrifugal machine rotating frame with the adjusting capacity comprises a rotating base and a second connecting rod arranged at the top of the rotating base, the side, close to the bottom, of the second connecting rod is fixedly connected with a first installation disc, and an adjusting assembly used for adjusting the height of the second connecting rod is arranged between the top of the rotating base and the bottom of the first installation disc. The adjusting assembly comprises a first connecting rod, a connecting assembly is arranged on the top of the first connecting rod, and a second connecting rod is installed on the top of the first connecting rod through the connecting assembly. The outer side of the second connecting rod is sleeved with a second mounting disc, external threads are arranged on the side, close to the second mounting disc, of the second connecting rod, first nuts are in threaded connection with the side, close to the second mounting disc, of the second connecting rod and located on the upper side and the lower side of the second mounting disc, and a plurality of first movable rods are evenly and rotationally connected to the outer side of the second mounting disc. Through the structure, the centrifugal radius can be conveniently adjusted, the centrifugal effect can be conveniently adjusted according to actual requirements, and the service life of the centrifugal machine rotating frame is prevented from being affected by too high rotating speed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric centrifuge technical field, especially a kind of electric centrifuge rotating frame with adjusting ability. BACKGROUND

[0002] Centrifuge is the mechanical separation of liquid and solid particles or liquid and liquid mixture in each component using centrifugal force. With the continuous development of scientific research, the precision and adaptability of centrifuge are increasingly required.

[0003] At the same time and speed, the radius of rotating area is larger and larger, the centrifugal force is larger, and the speed of particle sedimentation is also faster. The size and radius of the rotating frame in the existing electric centrifuge are fixed. The speed of different electric centrifuges also has a range. If the speed is too fast, it will affect the service life of the centrifuge rotating frame. Therefore, the technical personnel in the art provide an electric centrifuge rotating frame with adjusting ability to solve the problems raised in the background art. SUMMARY

[0004] The utility model aims at providing an electric centrifuge rotating frame with adjusting ability, which is convenient for adjusting centrifugal radius, beneficial for adjusting centrifugal effect according to actual demand, and avoids affecting the service life of the centrifuge rotating frame due to too fast speed.

[0005] To achieve the above-mentioned purpose, an electric centrifuge rotating frame with adjusting ability is provided, which comprises a rotating base and a second connecting rod arranged on the top of the rotating base. The side of the second connecting rod close to the bottom is fixedly connected with a first mounting disc. An adjusting assembly for adjusting the height of the second connecting rod is arranged between the top of the rotating base and the bottom of the first mounting disc. The adjusting assembly comprises a first connecting rod. The top of the first connecting rod is provided with a connecting assembly. The second connecting rod is installed on the top of the first connecting rod through the connecting assembly.

[0006] A second mounting disc is arranged outside the second connecting rod. The side of the second connecting rod close to the second mounting disc is provided with external threads. The side of the second connecting rod close to the second mounting disc and located on the upper and lower sides of the second mounting disc is threadedly connected with a first nut. A plurality of first movable rods are uniformly rotatably connected to the outside of the second mounting disc. A plurality of second movable rods are uniformly rotatably connected to the outside of the first mounting disc. The end of the second movable rod opposite to the first mounting disc is rotatably connected with the adjacent first movable rod. The end of the first movable rod opposite to the second mounting disc is fixedly connected with a connecting plate. The inside of the connecting plate is provided with a plug hole.

[0007] According to the electric centrifuge rotary frame with adjustment capability, the adjustment assembly further comprises a threaded portion arranged on the outer side of the first connecting rod and a second nut threadedly connected to the outer side of the first connecting rod and abutting the top of the rotary base, and the first connecting rod is slidingly connected to the inside of the rotary base.

[0008] According to the electric centrifuge rotary frame with adjustment capability, the connecting assembly comprises a plug rod fixedly connected to the top of the first connecting rod, a plug slot arranged in the inside of the second connecting rod and a bolt threadedly connected to the top of the plug rod, the plug rod is arranged in a circular structure and two square protruding portions are symmetrically arranged on the outer side of the plug rod, the plug slot is matched with the plug rod in plug-in connection, and the bottom of the bolt is abuttingly connected to the top end of the second connecting rod.

[0009] According to the electric centrifuge rotary frame with adjustment capability, the inside of the plug hole on the connecting plate is fixedly connected with the placing pipe.

[0010] According to the electric centrifuge rotary frame with adjustment capability, the connecting plate is upwardly inclined.

[0011] According to the electric centrifuge rotary frame with adjustment capability, the top end of the bolt is provided with an internal hexagonal groove.

[0012] The electric centrifuge rotary frame with adjustment capability has the following beneficial effects:

[0013] Compared with the prior art, the electric centrifuge rotary frame with adjustment capability is convenient for adjusting the centrifugal radius, is beneficial for adjusting the centrifugal effect according to actual requirements and avoids affecting the service life of the centrifuge rotary frame due to excessively high rotating speed.

[0014] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practicing the present application. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present application will be further described below in combination with the drawings and embodiments.

[0016] Figure 1 FIG. 1 is a first overall structure schematic view of the electric centrifuge rotary frame with adjustment capability;

[0017] Figure 2 FIG. 2 is a second overall structure schematic view of the electric centrifuge rotary frame with adjustment capability;

[0018] Figure 3 FIG. 3 is a first split structure schematic view of the connecting assembly of the electric centrifuge rotary frame with adjustment capability;

[0019] Figure 4The utility model discloses a connecting assembly of electric centrifuge rotating frame with adjusting ability.

[0020] Legend:

[0021] 1, rotating base; 2, first connecting rod; 3, first mounting disc; 4, second connecting rod; 5, second mounting disc; 6, first nut; 7, first movable rod; 8, second movable rod; 9, connecting plate; 10, placing pipe; 11, second nut; 12, bolt; 13, insertion rod; 14, insertion slot. Specific embodiments

[0022] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Referring to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the utility model discloses a kind of electric centrifuge rotating frame with adjusting ability, it includes rotating base 1 and the second connecting rod 4 being located at rotating base 1 top, second connecting rod 4 outer side is equipped with second mounting disc 5, second connecting rod 4 is equipped with outer thread on the side close to second mounting disc 5, first nut 6 is connected in screw thread on the side close to second mounting disc 5 of second connecting rod 4 and located the upper and lower sides of second mounting disc 5, multiple first movable rods 7 are uniformly rotatably connected with the outside of second mounting disc 5, multiple second movable rods 8 are uniformly rotatably connected with the outside of first mounting disc 3, one end of second movable rod 8 opposite to first mounting disc 3 is rotatably connected with adjacent first movable rod 7, one end of first movable rod 7 opposite to second mounting disc 5 is fixedly connected with connecting plate 9, connecting plate 9 is set to be inclined upward, prevent test tube in placing pipe 10 inside from being thrown out when connecting plate 9 rotates. Insertion hole is formed in the inside of connecting plate 9, placing pipe 10 is fixedly connected in the inside of insertion hole on connecting plate 9, for stable placement centrifugal test tube and other experimental apparatus.

[0024] The centrifugal test tube is inserted into the inside of the installation tube 10, and when the whole structure of the rotating base 1, the first connecting rod 2, the second connecting rod 4 and the like rotates, the rotating work of the connecting plate 9 and the centrifugal test tube thereon can be realized. When it is necessary to adjust the rotating radius of the rotating frame, the first nut 6 is loosened to move up and down on the outside of the second connecting rod 4, so that the second mounting disc 5 is conveniently moved up and down to adjust the height. Through the up and down movement of the second mounting disc 5, the first movable rod 7 and the second movable rod 8 are matched to move up and down, so that the distance between the connecting plate 9 and the second connecting rod 4 is conveniently adjusted, thereby the centrifugal radius is conveniently adjusted, the centrifugal effect is adjusted according to the actual requirement, and the service life of the centrifugal machine rotating frame is avoided from being affected by the excessively high rotating speed.

[0025] The first mounting disc 3 is fixedly connected to one side of the second connecting rod 4 close to the bottom, and the adjusting assembly for adjusting the height of the second connecting rod 4 is arranged between the top of the rotating base 1 and the bottom of the first mounting disc 3. The adjusting assembly comprises the first connecting rod 2, the threaded portion arranged on the outside of the first connecting rod 2 and the second nut 11 threadedly connected to the outside of the first connecting rod 2 and abutting against the top of the rotating base 1. The first connecting rod 2 is slidingly connected to the inside of the rotating base 1.

[0026] The first connecting rod 2 can move up and down in the inside of the rotating base 1, so that the height of the second connecting rod 4 is conveniently adjusted. By screwing the second nut 11, the height adjustment of the second connecting rod 4 and the mounting structure thereon is realized, so that the centrifugal machine is applicable to test tubes or containers of different lengths and the flexibility of the experiment is enhanced.

[0027] The first connecting rod 2 is provided with the connecting assembly at the top thereof, and the second connecting rod 4 is mounted to the top of the first connecting rod 2 through the connecting assembly. The connecting assembly comprises the insertion rod 13 fixedly connected to the top of the first connecting rod 2, the insertion slot 14 arranged in the inside of the second connecting rod 4 and the bolt 12 threadedly connected to the top of the insertion rod 13. The insertion rod 13 is circular in structure and symmetrically provided with two square protruding portions on the outside thereof. The insertion slot 14 is matched with the insertion rod 13 in insertion, and the bottom of the bolt 12 can abut against the top end of the second connecting rod 4. An internal hexagonal recess is arranged at the top end of the bolt 12, so that the bolt 12 is conveniently fastened by using a tool.

[0028] The second connecting rod 4 is matched with the insertion rod 13 through the insertion slot 14, so that the connection work with the first connecting rod 2 is realized. The bolt 12 at the top of the insertion rod 13 is screwed to abut against the top of the second connecting rod 4, so that the stability of the connection is ensured. The second connecting rod 4, the first mounting disc 3 and the second mounting disc 5 and the like are connected in a movable manner, so that the components are conveniently disassembled to meet the replacement and maintenance requirements.

[0029] Working principle: the centrifugal test tube is inserted in the inside of the installation tube 10, when the whole rotating base 1, first connecting rod 2, second connecting rod 4 and other structures rotate, the rotating work of the connecting plate 9 and the centrifugal test tube on it can be realized. When the rotating radius of the rotating frame needs to be adjusted, the first nut 6 is loosened, and the second installation disc 5 is moved up and down to adjust the height. Through the up and down movement of the second installation disc 5, the first movable rod 7 and the second movable rod 8 cooperate with the up and down movement, so as to adjust the distance between the connecting plate 9 and the second connecting rod 4, thereby adjusting the centrifugal radius, adjusting the centrifugal effect according to the actual demand, avoiding the influence of the service life of the centrifugal machine rotating frame caused by the too fast rotating speed.

[0030] The embodiments of the utility model are explained in detail in combination with the drawings above, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A centrifuge rotor with adjustable speed, characterized in that, The utility model provides a height adjustable rotating base, including rotating base (1) and second connecting rod (4) located at the top of rotating base (1), first mounting disc (3) is fixedly connected to the side of second connecting rod (4) near the bottom, and the adjusting assembly for adjusting the height of second connecting rod (4) is arranged between the top of rotating base (1) and the bottom of first mounting disc (3), and the adjusting assembly includes first connecting rod (2), and the top of first connecting rod (2) is provided with connecting assembly, and second connecting rod (4) is installed on the top of first connecting rod (2) through connecting assembly; Second connecting rod (4) is sleeved with second mounting disc (5) outside, and the side of second connecting rod (4) near second mounting disc (5) is provided with external thread, and the side of second connecting rod (4) near second mounting disc (5) is screw connected with first nut (6) on the upper side and the lower side of second mounting disc (5), a plurality of first movable rods (7) are uniformly rotatably connected to the outside of second mounting disc (5), a plurality of second movable rods (8) are uniformly rotatably connected to the outside of first mounting disc (3), the end opposite to first mounting disc (3) of second movable rod (8) is rotatably connected with adjacent first movable rod (7), and the end opposite to second mounting disc (5) of first movable rod (7) is fixedly connected with connecting plate (9), and the inside of connecting plate (9) is provided with insertion hole.

2. The electric centrifuge rotating frame with adjustment capability according to claim 1, characterized in that, The adjusting assembly further includes the threaded portion on the outside of first connecting rod (2) and second nut (11) screw connected to the outside of first connecting rod (2) and fitted on the top of rotating base (1), and first connecting rod (2) is slidingly connected to the inside of rotating base (1).

3. The electric centrifuge rotating frame with adjustment capability according to claim 1, characterized in that, The connecting assembly includes insertion rod (13) fixedly connected to the top of first connecting rod (2), insertion slot (14) arranged in the inside of second connecting rod (4) and bolt (12) screw connected to the top of insertion rod (13), the insertion rod (13) is circular structure and is provided with two square convex portions on the outside, the insertion slot (14) is matched with insertion rod (13), and the bottom of bolt (12) can be fitted with the top of second connecting rod (4).

4. The electric centrifuge rotating frame with adjustment capability according to claim 3, characterized in that, The inside of insertion hole in connecting plate (9) is fixedly connected with placing pipe (10).

5. The electric centrifuge rotating frame with adjustment capability according to claim 4, characterized in that, The connecting plate (9) is upwardly inclined.

6. The electric centrifuge rotating frame with adjustment capability according to claim 5, characterized in that, The top of bolt (12) is provided with internal hexagonal groove.

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