Novel centrifugal device

Abstract

The novel centrifugal device comprises a centrifugal machine body, a driving shaft and a placing structure, the placing structure is driven by the driving shaft to rotate so as to conduct centrifugal operation on a test tube placed in the placing structure, a driving sleeve is connected with the driving shaft in a matched mode so as to drive a placing cylinder to rotate, and the centrifugal operation is conducted on the test tube. Test tubes are placed in the placing barrel, springs are positioned and mounted through spring sleeves, and arc-shaped pressing plates are pushed through the springs, so that the arc-shaped pressing plates press the test tubes, the test tubes of different specifications can be fixed in the placing barrel, and foreign matters are prevented from reaching the interior of a placing cavity through an upper cover; and therefore, the rotating placement structure can be isolated and protected.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal devices, in particular to a novel centrifugal device. Background Art

[0002] A centrifuge is a machine that uses centrifugal force to separate liquid from solid particles or components in a mixture of liquid and liquid. Centrifuges are mainly used to separate solid particles from liquid in a suspension, or to separate two immiscible liquids of different densities in an emulsion (e.g., separating cream from milk); they can also be used to remove liquid from wet solids.

[0003] In biological laboratories, there are centrifuges for centrifugally separating substances in test tubes. However, in current centrifuges, the size of the test tube storage chamber is fixed, and only test tubes of a specific size can be used. If a smaller test tube is placed, there is a certain gap between the test tube storage chamber and the test tube, which causes unstable operation during centrifugation and damage to the test tube. Therefore, a new centrifuge is needed to solve the above problem. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses a novel centrifugal device, which adopts the technical solution of comprising a centrifuge body, a driving shaft and a placement structure, wherein a placement cavity with an upper opening is arranged inside the centrifuge body, the driving shaft is rotatably arranged at the inner center of the placement cavity and is connected to the output shaft of the centrifuge body, the placement structure comprises a driving sleeve, a placement cylinder, a connecting plate, a spring sleeve, an arc-shaped pressure plate and a spring, the driving sleeve is a cylindrical structure with a hollow interior and an opening at the lower portion, the driving sleeve is sleeved on the driving shaft, there are a plurality of placement cylinders, and the plurality of placement cylinders are evenly connected to the side of the driving sleeve through the connecting plate, and the spring sleeve is fixedly mounted on the driving sleeve. The outer surface of the placement tube, and the interior of the spring sleeve is connected to the interior of the placement tube, the arc pressure plate is movably arranged in the placement tube, the spring is arranged in the spring sleeve, the inner end of the spring is connected to the outer side surface of the arc pressure plate, and the arc pressure plate is pushed toward the inner center of the placement tube, and the placement structure is driven to rotate by the driving shaft, so as to centrifuge the test tube placed inside it, and the driving shaft is connected by the driving sleeve to drive the placement tube to rotate, and the test tube is placed through the inside of the placement tube, and the spring is positioned and installed by the spring sleeve, and the arc pressure plate is pushed by the spring, so that the arc pressure plate presses the test tube, and then the test tubes of different specifications can be fixed inside the placement tube.

[0005] As a preferred technical solution of a new centrifugal device of the utility model, an upper cover is arranged above the centrifuge body, the lower end of the upper cover is hinged to the rear end of the upper surface of the centrifuge body, and the upper cover can close the upper opening of the placement chamber, and the upper cover can prevent foreign matter from reaching the inside of the placement chamber, thereby isolating and protecting the rotating placement structure.

[0006] As a preferred technical solution of a new centrifugal device of the utility model, a screw hole is opened on the upper surface of the driving shaft, and a screw is arranged on the upper surface of the driving sleeve. The screw on the driving sleeve is threadedly connected to the screw hole. The connection method of the driving sleeve screw facilitates the disassembly and placement of the structure, so as to clean and maintain it.

[0007] As an optimal technical solution for a new centrifugal device of the utility model, a slot is provided on the side of the driving shaft, and a clamping strip is provided on the inner side of the driving sleeve. The clamping strip and the slot cooperate with each other, and the driving shaft can drive the driving sleeve to rotate through the clamping strip and the slot.

[0008] As a preferred technical solution of a new centrifugal device of the utility model, the placement tube is inclined with the upper end facing inward and the lower end facing outward. The inclined placement tube facilitates centrifugal separation of the solution inside the test tube, and the inclined placement tube will not throw the test tube out when rotating.

[0009] As a preferred technical solution of a novel centrifugal device of the utility model, rubber pads are provided on the inner side surface of the placement cylinder and the inner side surface of the arc-shaped pressure plate, and the rubber pads can softly contact the test tube to prevent the test tube from being damaged.

[0010] The beneficial effects of the utility model are as follows: the utility model drives the placement structure to rotate by driving the shaft, thereby performing centrifugal operation on the test tube placed inside the structure, cooperates with the driving shaft to connect the driving shaft by driving the driving sleeve, thereby driving the placement tube to rotate, the test tube is placed inside the placement tube, the spring is positioned and installed by the spring sleeve, and the arc pressure plate is pushed by the spring, so that the arc pressure plate presses the test tube, and thus test tubes of different specifications can be fixed inside the placement tube, and foreign matter can be prevented from reaching the inside of the placement cavity by the upper cover, so that the rotating placement structure can be isolated and protected, and the placement structure can be easily disassembled by connecting the driving sleeve screws to perform cleaning and maintenance, and the driving shaft can drive the driving sleeve to rotate by the clamping strip and the clamping groove, and the inclined placement tube is convenient for centrifugal separation of the solution inside the test tube, and the inclined placement tube will not throw out the test tube when rotating, and the rubber pad can softly contact the test tube to prevent the test tube from being damaged. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the main structure of the centrifuge of the utility model;

[0013] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model;

[0014] Figure 4 It is a schematic diagram of the placement structure of the utility model;

[0015] Figure 5 It is a schematic diagram of the lower structure of the placement structure of the utility model.

[0016] In the figure: 1-centrifuge body, 101-placing chamber, 102-upper cover, 2-driving shaft, 201-screw hole, 202-card slot, 3-placing structure, 31-driving sleeve, 32-placing cylinder, 33-connecting plate, 34-spring sleeve, 35-arc pressure plate, 36-spring, 301-card strip, 302-rubber pad. DETAILED DESCRIPTION

[0017] Example 1

[0018] like Figures 1 to 5As shown, the utility model discloses a novel centrifugal device, which adopts the technical solution of comprising a centrifuge body 1, a driving shaft 2 and a placing structure 3. A placing cavity 101 with an upper opening is arranged inside the centrifuge body 1. The driving shaft 2 is rotatably arranged at the inner center of the placing cavity 101 and is connected to the output shaft of the centrifuge body 1. An upper cover 102 is arranged above the centrifuge body 1. The lower end of the upper cover 102 is hinged to the rear end of the upper surface of the centrifuge body 1, and the upper cover 102 can close the upper opening of the placing cavity 101. The upper cover 102 can prevent foreign matter from reaching the inside of the placing cavity 101, thereby isolating and protecting the rotating placing structure 3. The placing structure 3 includes It comprises a driving sleeve 31, a placing cylinder 32, a connecting plate 33, a spring sleeve 34, an arc-shaped pressure plate 35 and a spring 36. The driving sleeve 31 is a cylindrical structure with a hollow interior and an opening at the bottom. The driving sleeve 31 is sleeved on the driving shaft 2. There are a plurality of placing cylinders 32, and a plurality of placing cylinders 32 are evenly connected to the side of the driving sleeve 31 through the connecting plate 33. The spring sleeve 34 is fixedly mounted on the outer surface of the placing cylinder 32, and the interior of the spring sleeve 34 is connected to the interior of the placing cylinder 32. The arc-shaped pressure plate 35 is movably arranged in the placing cylinder 32. The spring 36 is arranged in the spring sleeve 34. The inner end of the spring 36 is connected to the outer side of the arc-shaped pressure plate 35, and the arc-shaped pressure plate 35 is pressed toward the inner center of the placing cylinder 32. The upper surface of the driving shaft 2 is provided with a screw hole 201, and the upper surface of the driving sleeve 31 is provided with a screw. The screw on the driving sleeve 31 is threadedly connected with the screw hole 201. Through the connection mode of the driving sleeve 31 screw, it is convenient to disassemble the placement structure 3, so as to clean and maintain it. A groove 202 is provided on the side of the driving shaft 2, and a clamping strip 301 is provided on the inner side of the driving sleeve 31. The clamping strip 301 and the clamping strip 302 cooperate with each other. Through the clamping strip 301 and the clamping strip 202, the driving shaft 2 can drive the driving sleeve 31 to rotate. The placement cylinder 32 is inclined with the upper end inward and the lower end outward. The inclined placement cylinder 32 is convenient for centrifugal separation of the solution inside the test tube, and the tilting The obliquely arranged placement cylinder 32 will not throw out the test tube when rotating. Rubber pads 302 are provided on the inner side surfaces of the placement cylinder 32 and the inner side surfaces of the arc-shaped pressure plate 35. The rubber pads 302 can softly contact the test tube to prevent the test tube from being damaged. The placement structure 3 is driven to rotate by the driving shaft 2, so that the test tube placed inside it is centrifuged. The driving shaft 2 is connected to the driving sleeve 31 to drive the placement cylinder 32 to rotate, and the test tube is placed inside the placement cylinder 32. The spring 36 is positioned and installed by the spring sleeve 34, and the arc-shaped pressure plate 35 is pushed by the spring 36, so that the arc-shaped pressure plate 35 presses the test tube, and test tubes of different specifications can be fixed inside the placement cylinder 32.

[0019] The working principle of the utility model is as follows: open the upper cover 102 to expose the placement chamber 101, insert the test tube from the upper opening of the placement cylinder 32, the test tube pushes open the arc pressure plate 35, the spring 36 pushes the arc pressure plate 35, so that the arc pressure plate 35 and the inner wall of the placement cylinder 32 clamp the test tube and fix it in the placement cylinder 32. After the placement is completed, close the upper cover 102, start the centrifuge body 1, drive the shaft 2 to rotate, drive the driving sleeve 31 to rotate through the card slot 202 and the card strip 301, and then the placement cylinder 32 rotates, the centrifugal force gradually increases, the test tube pushes the arc pressure plate 35, the spring 36 is gradually compressed, the force therebetween tends to balance, the test tube is always located in the placement cylinder, and the material inside it is centrifuged. After the centrifugation is completed, the rotation speed of the driving shaft 2 is slowed down, the centrifugal force is reduced, the spring 36 is gradually restored, and the test tube is pushed tightly until the driving shaft 2 stops rotating. Open the upper cover 102 and take out the centrifuged test tube.

[0020] The circuit connection involved in the utility model is a common means used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments, and it belongs to the widely used existing technology.

[0021] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it 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 an indirect connection through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0023] Components not described in detail herein are prior art.

[0024] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A novel centrifugal device, comprising a centrifuge body (1), a driving shaft (2) and a placement structure (3), wherein the centrifuge body (1) is provided with a placement cavity (101) with an upper opening, and the driving shaft (2) is rotatably arranged at the inner center of the placement cavity (101) and connected to the output shaft of the centrifuge body (1), characterized in that: The placement structure (3) comprises a driving sleeve (31), a placement tube (32), a connecting plate (33), a spring sleeve (34), an arc-shaped pressure plate (35) and a spring (36). The driving sleeve (31) is a cylindrical structure with a hollow interior and an opening at the bottom. The driving sleeve (31) is sleeved on the driving shaft (2). There are a plurality of placement tubes (32), and the plurality of placement tubes (32) are evenly connected to a side of the driving sleeve (31) through the connecting plate (33). The spring sleeve (34) is fixedly mounted on the outer surface of the placement tube (32), and the interior of the spring sleeve (34) is connected to the interior of the placement tube (32). The arc-shaped pressure plate (35) is movably arranged in the placement tube (32). The spring (36) is arranged in the spring sleeve (34), and the inner end of the spring (36) is connected to the outer side surface of the arc-shaped pressure plate (35), and pushes the arc-shaped pressure plate (35) toward the inner center of the placement tube (32).

2. A novel centrifugal device according to claim 1, characterized in that: An upper cover (102) is arranged above the centrifuge body (1), the lower end of the upper cover (102) is hinged to the rear end of the upper surface of the centrifuge body (1), and the upper cover (102) can close the upper opening of the placement chamber (101).

3. A novel centrifugal device according to claim 1, characterized in that: A screw hole (201) is provided on the upper surface of the driving shaft (2), and a screw is provided on the upper surface of the driving sleeve (31). The screw on the driving sleeve (31) is threadedly connected with the screw hole (201).

4. A novel centrifugal device according to claim 1, characterized in that: A clamping groove (202) is provided on the side surface of the driving shaft (2), and a clamping strip (301) is provided on the inner side surface of the driving sleeve (31), and the clamping strip (301) and the clamping groove (202) cooperate with each other.

5. A novel centrifugal device according to claim 1, characterized in that: The placement tube (32) is arranged in an inclined shape with the upper end facing inwards and the lower end facing outwards.

6. A novel centrifugal device according to claim 1, characterized in that: Rubber pads (302) are provided on the inner side surface of the placement cylinder (32) and the inner side surface of the arc-shaped pressing plate (35).

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