Low-speed centrifugal device for biological sample pretreatment

Abstract

The utility model provides a low-speed centrifugal device for pretreatment of a biological sample. The low-speed centrifugal device consists of a rotor (1) and a grab handle (2), the device is characterized in that the rotor (1) comprises a central connecting column (1-2), a supporting frame (1-5) and a bearing frame (1-3) used for fixing test tubes, and the bearing frame (1-3) is connected with the supporting frame (1-5) through a rotating shaft (1-4). The grab handle (2) comprises a pressing elastic piece (2-2), and the gear box rotating shaft (2-1) is used for being connected with the rotor (1). The bearing frames (1-3) at the two ends of the rotor (1) and the test tubes are unfolded linearly in the rotating process through centrifugal force, the test tubes on the bearing frames (1-3) can be perpendicular to the ground when rotation stops, and therefore centrifugation is achieved. The utility model provides a centrifugal device which does not need commercial power, is used through a battery motor or a manual pressing driving mode, is simple to operate, can be operated outdoors, and is portable and safe.

Description

Technical Field

[0001] The utility model belongs to the field of centrifugal equipment, and in particular relates to a low-speed centrifugal device. Background Art

[0002] A low-speed centrifuge is a device used for centrifugally separating samples, and is usually used for separating mixtures of liquids and solids. It separates the components in the sample by utilizing centrifugal force, and is commonly used in laboratory research and applications such as biochemistry, molecular biology, medicine, and chemistry. Currently, the common centrifuges we see all have more or less deficiencies and drawbacks: existing centrifuges basically cannot do without power supply and cannot be taken to outdoor sites for use; at outdoor sites, maintenance operations may not be possible or very difficult; at outdoor sites, protective measures may not be implemented or may be ignored, thus increasing safety risks; at outdoor sites, various unstable factors will be encountered, affecting the normal operation of the centrifuge. Summary of the Invention

[0003] In view of the problems faced by the above-mentioned existing centrifuges in the field of on-site applications, the utility model aims to make up for the deficiencies of the prior art and provides a low-speed centrifugal device for pretreatment of biological samples.

[0004] The utility model is realized through the following technical solutions: the device is composed of a rotor (1) and a handle (2). Its characteristics are as follows: the rotor (1) includes a central connecting column (1-2), a support frame (1-5), and a carrier (1-3) for fixing test tubes. The carrier (1-3) is connected to the support frame (1-5) through a rotating shaft (1-4). The handle (2) includes a pressing elastic sheet (2-2) and a gearbox rotating shaft (2-1) for connecting with the rotor (1). Holding the handle (2) drives the gearbox rotating shaft (2-1) through the pressing elastic sheet (2-2) or drives the gearbox rotating shaft (2-1) and the rotor (1) to rotate by energizing through the pressing elastic sheet (2-2). The carriers (1-3) at both ends of the rotor (1) and the test tubes are unfolded in a straight line during rotation due to centrifugal force, and the test tubes on the carrier (1-3) will be perpendicular to the ground when the rotation stops, thereby realizing centrifugation. The utility model provides a centrifugal device that does not require mains power, is driven by a battery motor or manual pressing, is simple to operate, can be operated outdoors, and is portable and safe.

[0005] A low-speed centrifugation device for biological sample pretreatment, which is composed of a rotor (1) and a handle (2). Its characteristics are as follows: The rotor (1) includes a central connecting column (1-2), a support frame (1-5), and a carrier (1-3) for test tube fixation. The carrier (1-3) is connected to the support frame (1-5) through a rotating shaft (1-4). The handle (2) includes a pressing elastic sheet (2-2), and the gearbox rotating shaft (2-1) is used to connect with the rotor (1). Holding the handle (2) drives the gearbox rotating shaft (2-1) through the pressing elastic sheet (2-2) or drives the gearbox rotating shaft (2-1) and the rotor (1) to rotate by energizing the pressing elastic sheet (2-2).

[0006] Specifically, the rotor (1) includes a central connecting column (1-2) that is conical, cylindrical, cubic, or spherical, and the support frame (1-5) is composed of 2 structural members or an integer multiple of 2 structural members that are symmetric about the central connecting column (1-2).

[0007] Specifically, the carrier (1-3) rotates 360° around the rotating shaft (1-4) and is a structural member that can fix the test tube. During the rotation, the carrier and the test tube rotate 180° and unfold in a straight line, and when the rotation stops, the test tube on the carrier (1-3) will be perpendicular to the ground. It is connected to the support frame (1-5) through the rotating shaft (1-4).

[0008] Specifically, the carrier (1-3) rotates 360° around the rotating shaft (1-4) and is connected to the support frame (1-5) through the rotating shaft (1-4).

[0009] Specifically, the handle (2) is cylindrical, conical, cubic, or irregular polyhedral in shape, and the handle and the rotor are in a parallel structure.

[0010] Specifically, the handle (2) can be cylindrical, conical, cubic, or irregular polyhedral in shape, and the handle and the rotor are in a perpendicular structure.

[0011] Specifically, the pressing elastic sheet is a sheet-like or strip-like structural member with a thickness.

[0012] Specifically, holding the handle (2) drives the gearbox rotating shaft (2-1) through the pressing elastic sheet (2-2) or drives the gearbox rotating shaft (2-1) and the rotor (1) to rotate by energizing the pressing elastic sheet (2-2) to achieve centrifugation.

[0013] Specifically, the carriers and test tubes at both ends of the rotor unfold in a straight line during rotation due to centrifugal force, and when the rotation stops, the test tubes on the carrier (1-3) will be perpendicular to the ground.

[0014] Compared with existing low-speed centrifuges, the beneficial effects of the present utility model are as follows: This innovative design not only simplifies the centrifugation process but also greatly improves the experimental efficiency. In addition, this product does not require electricity to operate, is portable and safe, and has a simple operation, making the experimental process more convenient and further reducing the operation difficulty. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present utility model will be further described below in conjunction with the accompanying drawings.

[0016] Figure 1 Schematic diagram of the parallel structure of a low-speed centrifugal device for biological sample pretreatment according to an embodiment of the present utility model.

[0017] Figure 2 Schematic diagram of the vertical structure of a low-speed centrifugal device for biological sample pretreatment according to Embodiment 1 of the present utility model.

[0018] Figure 3 Schematic diagram of the state of the rotor and test tubes during the operation of a low-speed centrifugal device for biological sample pretreatment according to Embodiment 1 of the present utility model.

[0019] Figure 4 Schematic diagram of the state of the rotor and test tubes when a low-speed centrifugal device for biological sample pretreatment according to Embodiment 1 of the present utility model stops. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] The technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0021] As Figure 1 shown, a low-speed centrifugal device for biological sample pretreatment. The device consists of a rotor (1) and a handle (2): The rotor (1) includes a central connecting column (1-2), which can be a cone, a cylinder, a cube or a sphere. The support frame (1-5) is composed of 2 structural members or an integer multiple of 2 structural members symmetrically centered on the central connecting column (1-2), and a carrier (1-3) for fixing test tubes. The carrier (1-3) is connected to the support frame (1-5) through a rotating shaft (1-4). The handle (2) includes a pressing elastic piece (2-2), and a gearbox rotating shaft (2-1) is used to connect to the rotor (1).

[0022] As Figure 1 、 2As shown, the handle (2) can be in the shape of a cylinder, a cone, a cube or an irregular polyhedron. The pressing elastic piece (2-2) is a sheet-like or strip-like structural member with a thickness. The gearbox rotating shaft (2-1) is used to connect with the rotor (1). Holding the handle (2), the gearbox rotating shaft (2-1) is driven through the pressing elastic piece (2-2), or the gearbox rotating shaft (2-1) and the rotor (1) are driven to rotate by energizing the pressing elastic piece (2-2).

[0023] As Figure 3 As shown, the two end bearing brackets (1-3) of the rotor (1) and the test tube rotate 360° around the rotating shaft (1-4) by centrifugal force, and it is a structural member that can fix the test tube. During the rotation process, the bearing bracket and the test tube rotate 180° and unfold in a straight line.

[0024] As Figure 4 As shown, when the rotation of the two end bearing brackets (1-3) of the rotor (1) and the test tube stops, the test tube on the bearing bracket (1-3) will be perpendicular to the ground, thereby realizing centrifugation.

[0025] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present utility model, the present utility model can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

Claims

1. A low-speed centrifugal device for pre-processing biological samples, the device comprising a rotor (1) and a handle (2), characterized in that: The rotor (1) comprises a central connecting column (1-2), a support frame (1-5), and a support frame (1-3) for fixing a test tube, wherein the support frame (1-3) is connected to the support frame (1-5) via a rotating shaft (1-4), and the handle (2) comprises a pressing spring sheet (2-2). The gear box rotating shaft (2-1) is used to be connected to the rotor (1), and the handle (2) drives the gear box rotating shaft (2-1) by pressing the spring sheet (2-2) or drives the gear box rotating shaft (2-1) and the rotor (1) to rotate by energizing the pressing spring sheet (2-2).

2. A low-speed centrifugation device for pre-processing biological samples according to claim 1, characterized in that: The rotor (1) comprises a central connecting column (1-2) which is a cone, a column, a cube or a sphere, a support frame (1-5) which is composed of two structural members or an integer multiple of two structural members which are symmetrical with the central connecting column (1-2) as the center, and a support frame (1-3) for fixing a test tube, wherein the support frame (1-3) and the support frame (1-5) are connected via a rotating shaft (1-4).

3. A low-speed centrifuge device for pre-processing biological samples according to claim 1, characterized in that: The rotor (1) comprises a central connecting column (1-2), a support frame (1-5), and a support frame (1-3) for fixing a test tube. The support frame (1-3) is a structural component that can rotate 360° with a rotating shaft (1-4) as an axis and can fix the test tube. During the rotation process, the support frame and the test tube rotate 180° to form a straight line. When the rotation stops, the test tube on the support frame (1-3) will be perpendicular to the ground and connected to the support frame (1-5) through the rotating shaft (1-4).

4. A low-speed centrifuge device for pre-processing biological samples according to claim 1, characterized in that: The rotor (1) comprises a central connecting column (1-2), a support frame (1-5), and a support frame (1-3) for fixing a test tube. The support frame (1-3) rotates 360 degrees with a rotating shaft (1-4) as an axis, and is connected to the support frame (1-5) via the rotating shaft (1-4).

5. The low-speed centrifugation device for pre-processing biological samples according to claim 1, characterized in that: The handle (2) is in the shape of a cylinder, a cone, a cube or an irregular polyhedron, and is in a vertical or parallel structure with the rotor. The handle comprises a pressing spring sheet (2-2), and the gear box shaft (2-1) is used to be connected to the rotor (1). The handle (2) drives the gear box shaft (2-1) and the rotor (1) to rotate by pressing the spring sheet (2-2).

6. A low-speed centrifuge device for pre-processing biological samples according to claim 1, characterized in that: The handle (2) is in the shape of a cylinder, a cone, a cube or an irregular polyhedron, and is in a vertical or parallel structure with the rotor. The handle comprises a pressing spring sheet (2-2), and the gear box shaft (2-1) is used to be connected to the rotor (1). The handle (2) drives the gear box shaft (2-1) and the rotor (1) to rotate by pressing the spring sheet (2-2) to energize.

7. A low-speed centrifugation device for pre-processing biological samples according to claim 1, characterized in that: The handle (2) comprises a pressing spring sheet (2-2) which is a sheet-shaped or strip-shaped structural member with thickness. The gearbox rotating shaft (2-1) is used to be connected to the rotor (1). The handle (2) is held to drive the gearbox rotating shaft (2-1) by pressing the spring sheet (2-2) or to drive the gearbox rotating shaft (2-1) and the rotor (1) to rotate by energizing the pressing spring sheet (2-2).

8. The low-speed centrifugation device for pre-processing biological samples according to claim 1, characterized in that: The handle (2) drives the gear box shaft (2-1) by pressing the spring sheet (2-2) or drives the gear box shaft (2-1) and the rotor (1) to rotate by pressing the spring sheet (2-2) and supplying electricity. The support frames and test tubes at both ends of the rotor are spread out in a straight line during the rotation process due to centrifugal force. When the rotation stops, the test tubes on the support frames (1-3) are perpendicular to the ground, thereby achieving centrifugation.

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