Matching auxiliary structure for low-speed centrifugal machine

Abstract

The matching auxiliary structure for the low-speed centrifugal machine comprises a shell, a rotary drum, a rotary shaft, a rotary disc and a plurality of storage holes, the rotary drum is arranged in the shell, the rotary shaft is rotatably connected in the rotary drum, the rotary disc is arranged at the top end of the rotary shaft, the number of the storage holes is multiple, and the rotary disc is arranged in the shell. And the plurality of rollers are uniformly arranged on the upper surface of the turntable. According to the device, the shell, the rotating cylinder, the rotating shaft, the rotating disc, the storage hole, the auxiliary fixing device, the fixing ring, the fixing disc, the fixing hole, the auxiliary clamping device, the fixing plate, the first clamping ring, the spring, the second clamping ring, the control limiting assembly, the limiting ring, the pressing block, the connecting hole, the moving groove, the connecting handle, the rubber non-slip mat, the auxiliary sleeve and the rubber ring are used in cooperation; the low-speed centrifugal machine solves the problem that when an existing low-speed centrifugal machine is used, the situation that a medicine pipe is not firmly placed possibly occurs, and consequently the medicine pipe is loosened in the running process.

Description

Technical Field

[0001] The utility model belongs to the technical field of low-speed centrifuges, and in particular relates to a matching auxiliary structure for low-speed centrifuges. Background Art

[0002] A low-speed centrifuge is a common laboratory equipment, mainly used to separate different components in a mixture; its speed is usually below 5,000 rpm, and the centrifugal force is between 1,000 and 10,000 × g, which is relatively low but sufficient to meet most experimental needs; low-speed centrifuges are widely used in biochemistry, molecular biology, pharmacy and other fields, such as cell or sample crushing and separation, protein extraction, cell culture, etc. In the fields of biology, medicine, genetics and bioengineering, low-speed centrifuges are often used in experiments such as cell culture, protein purification, blood separation, etc., and are one of the indispensable equipment in the laboratory.

[0003] The problem with the prior art is that when the existing low-speed centrifuge is in use, the medicine tube may not be placed firmly enough, which may cause the medicine tube to loosen during operation. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a matching auxiliary structure for a low-speed centrifuge, which has the advantage of matching the low-speed centrifuge to fix the medicine tube, and solves the problem that the medicine tube may not be placed firmly enough when the existing low-speed centrifuge is in use, which may cause the medicine tube to loosen during operation.

[0005] The utility model is implemented as follows: a matching auxiliary structure for a low-speed centrifuge comprises a shell, a drum, a rotating shaft, a turntable and a storage hole, wherein the drum is arranged inside the shell, the rotating shaft is rotatably connected in the drum, the turntable is arranged at the top of the rotating shaft, the number of the storage holes is several and they are evenly opened on the upper surface of the turntable, an auxiliary fixing device is arranged below the turntable, an auxiliary clamping device is arranged on the upper surface of the auxiliary fixing device, the number of the auxiliary clamping devices is several and they correspond to the positions of the storage holes.

[0006] The auxiliary fixing device preferably of the present invention comprises a fixing ring, a fixing disk and a fixing hole, wherein the fixing ring is arranged below the turntable and sleeved on the surface of the rotating shaft, the fixing ring is fixedly connected to the rotating shaft, the fixing disk is arranged below the turntable and sleeved on the surface of the fixing ring and fixedly connected to the fixing ring, the fixing hole is opened on the upper surface of the fixing disk and passes through the fixing disk, and the positions of several fixing holes and several storage holes correspond to each other. By setting up the auxiliary fixing device, it has the function of secondary fixing of the medicine tube and the function of supporting and fixing the auxiliary clamping device.

[0007] The auxiliary clamping device preferably used in the present invention includes a fixing plate, a clamping ring 1, a spring and a clamping ring 2. The fixing plates are provided in two numbers and are respectively provided on both sides of the fixing hole, and the lower ends are fixedly connected to the upper surface of the fixing plate. The clamping ring 1 is provided on one side of the fixing hole and fixedly connected to one side of the fixing plate. The springs are provided in two numbers and are respectively fixedly connected to the other sides of the two fixing plates. The clamping ring 2 is provided on the other side of the fixing hole and fixedly connected to the other end of the spring. The lower end of the clamping ring 2 is slidably connected to the upper surface of the fixing plate. The auxiliary clamping device is provided to clamp the medicine tube, and has the function of clamping the medicine tube to stabilize the medicine tube.

[0008] As a preferred embodiment of the utility model, a control limit assembly is arranged on the outer side between the fixed disk and the rotating disk, and the control limit assembly includes a limit ring, a pressure block and a connecting hole. The limit ring is arranged on the upper surface of the fixed disk, and the lower end is rotatably connected to the fixed disk. There are several pressure blocks, which are respectively and evenly fixedly connected to the inner surface of the limit ring. The connecting hole is opened on the upper surface of the limit ring and passes through the limit ring and the fixed plate. By setting the control limit assembly, the auxiliary clamping device assembly is controlled and the clamping ring 2 is prevented from being thrown out when the equipment is operating.

[0009] As a preferred embodiment of the utility model, a movable groove is provided on the outer side of the upper surface of the turntable, the movable groove passes through the turntable, the position of the movable groove corresponds to the position of the connecting hole, a connecting handle is provided in the movable groove, one end of the connecting handle extends into the connecting hole, and the connecting handle is provided in the movable groove to rotate the control limit assembly, and after the control limit assembly is fully inserted into the connecting hole, the control limit assembly is fixedly connected to the fixed plate and the turntable.

[0010] As a preferred embodiment of the present invention, the surfaces of the clamping ring 1 and the clamping ring 2 close to each other are fixedly connected with a rubber anti-skid pad. The provision of the rubber anti-skid pad can prevent the medicine tube from sliding when the medicine tube is clamped and fixed.

[0011] As a preferred embodiment of the utility model, a plurality of auxiliary sleeves are fixedly connected to the lower surface of the fixing plate, and the positions of the auxiliary sleeves correspond to the positions of the fixing holes. A rubber ring is fixedly connected inside the auxiliary sleeve. By arranging the auxiliary sleeve and the rubber ring inside the auxiliary sleeve, after the medicine tube is inserted, the medicine tube is prevented from slipping and a damping force is applied to the medicine tube.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model solves the problem that the medicine tube may not be placed firmly enough when the existing low-speed centrifuge is in use, which may cause the medicine tube to loosen during operation by arranging a shell, a rotating drum, a rotating shaft, a rotating disk, a storage hole, an auxiliary fixing device, a fixing ring, a fixing disk, a fixing hole, an auxiliary clamping device, a fixing plate, a clamping ring 1, a spring, a clamping ring 2, a control limit assembly, a limit ring, a pressure block, a connecting hole, a moving groove, a connecting handle, a rubber anti-skid pad, an auxiliary sleeve and a rubber ring.

[0014] 2. The utility model has the function of secondary fixing of the medicine tube and supporting and fixing the auxiliary clamping device by setting the auxiliary fixing device.

[0015] 3. The utility model is provided with an auxiliary clamping device to clamp the medicine tube, which has the function of clamping the medicine tube to stabilize the medicine tube and clamp the medicine tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of a low-speed centrifuge provided by an embodiment of the utility model;

[0017] Figure 2 It is a three-dimensional structural schematic diagram of a turntable in a low-speed centrifuge provided by an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of an exploded three-dimensional structure of a low-speed centrifuge provided by an embodiment of the utility model;

[0019] Figure 4 It is a three-dimensional structural schematic diagram of an auxiliary fixing device, a control limit assembly and an auxiliary clamping device in a low-speed centrifuge provided by an embodiment of the utility model;

[0020] Figure 5 It is a three-dimensional structural schematic diagram of an auxiliary sleeve in a low-speed centrifuge provided by an embodiment of the utility model.

[0021] In the figure: 1. shell; 2. rotating drum; 3. rotating shaft; 4. rotating disk; 5. storage hole; 6. auxiliary fixing device; 61. fixing ring; 62. fixing disk; 63. fixing hole; 7. auxiliary clamping device; 71. fixing plate; 72. clamping ring 1; 73. spring; 74. clamping ring 2; 8. control limit assembly; 81. limit ring; 82. pressure block; 83. connecting hole; 9. moving groove; 10. connecting handle; 11. rubber anti-skid pad; 12. auxiliary sleeve; 13. rubber ring. DETAILED DESCRIPTION

[0022] In order to further understand the content, features and effects of the present invention, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0023] The structure of the utility model is described in detail below in conjunction with the accompanying drawings.

[0024] like Figures 1 to 5 As shown, an auxiliary structure for a low-speed centrifuge provided by an embodiment of the utility model includes a shell 1, a drum 2, a rotating shaft 3, a turntable 4 and a storage hole 5. The drum 2 is arranged inside the shell 1, the rotating shaft 3 is rotatably connected in the drum 2, the turntable 4 is arranged at the top of the rotating shaft 3, the number of the storage holes 5 is several, and they are evenly opened on the upper surface of the turntable 4, an auxiliary fixing device 6 is arranged below the turntable 4, and an auxiliary clamping device 7 is arranged on the upper surface of the auxiliary fixing device 6. The number of the auxiliary clamping devices 7 is several, and they correspond to the positions of the storage holes 5.

[0025] refer to Figure 1 , Figure 2 and Figure 3 The auxiliary fixing device 6 includes a fixing ring 61, a fixing disk 62 and a fixing hole 63. The fixing ring 61 is arranged below the turntable 4 and is sleeved on the surface of the rotating shaft 3. The fixing ring 61 is fixedly connected to the rotating shaft 3. The fixing disk 62 is arranged below the turntable 4 and is sleeved on the surface of the fixing ring 61 and is fixedly connected to the fixing ring 61. The fixing hole 63 is opened on the upper surface of the fixing disk 62 and passes through the fixing disk 62. The positions of a plurality of fixing holes 63 and a plurality of storage holes 5 correspond to each other.

[0026] The above solution is adopted: by providing the auxiliary fixing device 6, it has the function of performing secondary fixing on the medicine tube, and is used to support and fix the auxiliary clamping device 7.

[0027] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The auxiliary clamping device 7 includes a fixing plate 71, a clamping ring 1 72, a spring 73 and a clamping ring 2 74. There are two fixing plates 71, which are respectively arranged on both sides of the fixing hole 63, and the lower ends are fixedly connected to the upper surface of the fixing plate 71. The clamping ring 1 72 is arranged on one side of the fixing hole 63 and fixedly connected to one side of the fixing plate 71. There are two springs 73, which are respectively fixedly connected to the other sides of the two fixing plates 71. The clamping ring 2 74 is arranged on the other side of the fixing hole 63 and fixedly connected to the other end of the spring 73. The lower end of the clamping ring 2 74 is slidably connected to the upper surface of the fixing plate 62.

[0028] The above solution is adopted: by providing an auxiliary clamping device 7 to clamp the medicine tube, the auxiliary clamping device 7 has the function of clamping the medicine tube to stabilize the medicine tube and clamp the medicine tube.

[0029] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 A control limit assembly 8 is arranged on the outer side between the fixed disk 62 and the rotating disk 4. The control limit assembly 8 includes a limit ring 81, a pressure block 82 and a connecting hole 83. The limit ring 81 is arranged on the upper surface of the fixed disk 62, and the lower end is rotatably connected to the fixed disk 62. There are several pressure blocks 82, which are respectively and evenly fixedly connected to the inner surface of the limit ring 81. The connecting hole 83 is opened on the upper surface of the limit ring 81 and passes through the limit ring 81 and the fixed plate 71.

[0030] The above solution is adopted: by setting the control limit assembly 8, the auxiliary clamping device 7 assembly is controlled, and the clamping ring 2 74 is prevented from being thrown out when the equipment is in operation.

[0031] refer to Figure 2 , Figure 3 and Figure 4 A movable groove 9 is provided on the outer side of the upper surface of the turntable 4. The movable groove 9 passes through the turntable 4. The position of the movable groove 9 corresponds to the position of the connecting hole 83. A connecting handle 10 is provided in the movable groove 9. One end of the connecting handle 10 extends into the connecting hole 83.

[0032] The above solution is adopted: by arranging the connecting handle 10 in the movable groove 9 to rotate the control limit assembly 8, and after being fully inserted into the connecting hole 83, the control limit assembly 8 is fixedly connected with the fixed disk 62 and the rotating disk 4.

[0033] refer to Figure 4 The surfaces of the clamping ring 1 72 and the clamping ring 2 74 that are close to each other are fixedly connected with a rubber anti-skid pad 11.

[0034] The above solution is adopted: by providing the rubber anti-skid pad 11, it has the function of preventing the medicine tube from sliding when the medicine tube is clamped and fixed.

[0035] refer to Figure 4 and Figure 5 A plurality of auxiliary sleeves 12 are fixedly connected to the lower surface of the fixing plate 62 . The positions of the auxiliary sleeves 12 correspond to the positions of the fixing holes 63 . A rubber ring 13 is fixedly connected inside the auxiliary sleeves 12 .

[0036] The above solution is adopted: by providing the auxiliary sleeve 12 and the rubber ring 13 inside the auxiliary sleeve, after the medicine tube is inserted, the medicine tube is prevented from slipping and a damping force is applied to the medicine tube.

[0037] The working principle of this utility model:

[0038] When in use, the medicine tube is inserted into the storage hole 5 and the fixing hole 63, and then the connecting handle 10 is inserted into the connecting hole 83 through the movable groove 9. The connecting handle 10 is slid in the movable groove 9, and the connecting handle 10 will drive the limiting ring 81 to rotate between the rotating disk 4 and the fixed plate 71. At the same time, the rotation drives the pressing block 82 to squeeze the clamping ring 2 74 slidably connected to the surface of the fixed disk 62, and the clamping ring 2 74 moves toward the clamping ring 1 72. Then the connecting handle 10 is completely inserted into the connecting hole 83, so that the limiting ring 81 is connected to the fixed disk 62, thereby clamping and fixing the medicine tube.

[0039] In summary, the low-speed centrifuge auxiliary structure solves the problem that the medicine tube may not be placed firmly enough when the existing low-speed centrifuge is in use, thereby causing the medicine tube to loosen during operation by arranging the shell 1, the drum 2, the shaft 3, the turntable 4, the storage hole 5, the auxiliary fixing device 6, the fixing ring 61, the fixing plate 62, the fixing hole 63, the auxiliary clamping device 7, the fixing plate 71, the clamping ring 1 72, the spring 73, the clamping ring 2 74, the control limit assembly 8, the limit ring 81, the pressure block 82, the connecting hole 83, the moving groove 9, the connecting handle 10, the rubber anti-skid pad 11, the auxiliary sleeve 12 and the rubber ring 13.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A matching auxiliary structure for a low-speed centrifuge, comprising a housing (1), a rotating drum (2), a rotating shaft (3), a rotating disc (4) and a storage hole (5), wherein the rotating drum (2) is arranged inside the housing (1), the rotating shaft (3) is rotatably connected inside the rotating drum (2), the rotating disc (4) is arranged at the top of the rotating shaft (3), the number of the storing holes (5) is several, and they are evenly arranged on the upper surface of the rotating disc (4), characterized in that: An auxiliary fixing device (6) is arranged below the rotating disk (4), and an auxiliary clamping device (7) is arranged on the upper surface of the auxiliary fixing device (6). The number of the auxiliary clamping devices (7) is several and corresponds to the positions of the storage holes (5); The auxiliary fixing device (6) comprises a fixing ring (61), a fixing plate (62) and a fixing hole (63); the fixing ring (61) is arranged below the rotating plate (4) and sleeved on the surface of the rotating shaft (3); the fixing ring (61) is fixedly connected to the rotating shaft (3); the fixing plate (62) is arranged below the rotating plate (4) and sleeved on the surface of the fixing ring (61) and fixedly connected to the fixing ring (61); the fixing hole (63) is opened on the upper surface of the fixing plate (62) and passes through the fixing plate (62); a plurality of the fixing holes (63) and a plurality of the storage holes (5) correspond to each other in position; The auxiliary clamping device (7) comprises a fixing plate (71), a clamping ring 1 (72), a spring (73) and a clamping ring 2 (74). The fixing plates (71) are provided in two numbers and are respectively provided on both sides of the fixing hole (63), and the lower ends are fixedly connected to the upper surface of the fixing plate (71). The clamping ring 1 (72) is provided on one side of the fixing hole (63) and is fixedly connected to one side of the fixing plate (71). The springs (73) are provided in two numbers and are respectively fixedly connected to the other sides of the two fixing plates (71). The clamping ring 2 (74) is provided on the other side of the fixing hole (63) and is fixedly connected to the other end of the spring (73). The lower end of the clamping ring 2 (74) is slidably connected to the upper surface of the fixing plate (62).

2. A matching auxiliary structure for a low-speed centrifuge as claimed in claim 1, characterized in that: A control limit assembly (8) is arranged on the outer side between the fixed disk (62) and the rotating disk (4), and the control limit assembly (8) comprises a limit ring (81), a pressure block (82) and a connecting hole (83). The limit ring (81) is arranged on the upper surface of the fixed disk (62), and the lower end is rotatably connected to the fixed disk (62). There are a plurality of pressure blocks (82), which are evenly fixedly connected to the inner surface of the limit ring (81). The connecting hole (83) is opened on the upper surface of the limit ring (81) and passes through the limit ring (81) and the fixed plate (71).

3. A matching auxiliary structure for a low-speed centrifuge as claimed in claim 2, characterized in that: A movable groove (9) is provided on the outer side of the upper surface of the rotating disk (4), the movable groove (9) passes through the rotating disk (4), the position of the movable groove (9) corresponds to the position of the connecting hole (83), a connecting handle (10) is provided in the movable groove (9), and one end of the connecting handle (10) extends into the connecting hole (83).

4. A matching auxiliary structure for a low-speed centrifuge as claimed in claim 1, characterized in that: The surfaces of the clamping ring 1 (72) and the clamping ring 2 (74) that are close to each other are fixedly connected with a rubber anti-skid pad (11).

5. The auxiliary structure for a low-speed centrifuge according to claim 1, characterized in that: A plurality of auxiliary sleeves (12) are fixedly connected to the lower surface of the fixing plate (62); the positions of the auxiliary sleeves (12) correspond to the positions of the fixing holes (63); and a rubber ring (13) is fixedly connected inside the auxiliary sleeves (12).

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