Novel low-speed table type centrifugal machine

Abstract

The utility model relates to the technical field of centrifugal machines, in particular to a novel low-speed table type centrifugal machine which comprises a low-speed table type centrifugal machine body, a manual adjusting bolt is in threaded connection with the interior of a limiting plate, and the upper end of the manual adjusting bolt is rotationally connected with an abutting block. The rotary knob is rotated to drive the driving bevel gear connected through the rotating rod to rotate, then the bidirectional lead screw connected through the driven bevel gear is driven to rotate, the two movable plates on the outer side are controlled to move, therefore, the two limiting plates can be clamped to the table edge, and the abutting block is controlled to abut against the table bottom by rotating the manual adjusting bolt. The low-speed table type centrifugal machine solves the problems that in the prior art, a centrifugal machine is usually directly placed on a working table top, however, in the actual use process, due to the fact that the centrifugal machine is light in weight, vibration is generated during working, the overall centrifugal machine easily shakes, stability is insufficient, noise pollution is generated if the centrifugal machine is light, and the service life of the centrifugal machine is prolonged. And the centrifugal effect is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifuges, in particular to a novel low-speed desktop centrifuge. Background Art

[0002] Centrifuge is an instrument that uses centrifugal force to separate liquid from solid particles or liquid from liquid. It is widely used in chemistry, chemical industry, medical treatment, food, pharmaceutical and other fields. The centrifuge commonly used in laboratories is a desktop low-speed centrifuge, which is simple to operate, easy to use, low noise and light weight.

[0003] The inventor of this application found that there are the following problems in the practical use process:

[0004] The centrifuge in the existing technology is usually placed directly on the work surface. However, in actual use, due to its light weight and the vibration generated by the work, it is easy to cause the centrifuge to shake as a whole, which is not stable enough, causing noise pollution at the least and affecting the centrifugal effect at the worst. Therefore, it is necessary to provide a new low-speed desktop centrifuge to solve the above technical problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the centrifuge in the prior art is usually placed directly on a work surface, but in actual use, due to its own light weight and the vibration generated by the work, it is easy to cause the centrifuge to shake as a whole, and the stability is insufficient, which may cause noise pollution at the least and affect the centrifugal effect at the worst. In view of the above defects of the prior art, a novel low-speed desktop centrifuge is provided, including a low-speed desktop centrifuge body, a hand-adjusting bolt is screwed inside a limit plate, and a tightening block is rotatably connected to the upper end of the hand-adjusting bolt. The utility model drives the active bevel gear connected by the rotating rod to rotate by rotating the knob, and then drives the bidirectional screw connected by the driven bevel gear to rotate, so as to control the movement of two movable plates on the outer side, so that the two limit plates can be stuck on the edge of the table, and the hand-adjusting bolt is rotated to control the abutting block to abut against the bottom of the table, so as to enhance the firmness of the low-speed desktop centrifuge body, solves the problem that the centrifuge in the prior art is usually directly placed on the work table, but in the actual use process, due to its light weight and the vibration generated by the work, the centrifuge is easily shaken as a whole, the stability is insufficient, noise pollution is generated at the least, and the centrifugal effect is affected at the worst.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a novel low-speed desktop centrifuge, comprising a low-speed desktop centrifuge body, a box body is fixedly installed at the bottom of the low-speed desktop centrifuge body, a two-way screw and a rotating rod are rotatably connected inside the box body, one end of the rotating rod is fixedly connected to a knob, and the other end of the rotating rod is sleeved with an active bevel gear, the outer side of the two-way screw is sleeved with a driven bevel gear meshing with the active bevel gear, and the outer side of the two-way screw is symmetrically screwed with a movable plate that penetrates the box body, one end of each of the movable plates is fixedly connected to a limit plate, the inner side of the limit plate is screwed with a hand-adjusting bolt, and the upper end of the hand-adjusting bolt is rotatably connected with a tightening block.

[0007] It is further provided that a control switch is fixedly mounted on one side of the low-speed desktop centrifuge body, and the low-speed desktop centrifuge body includes a top cover arranged on the top.

[0008] It is further provided that the limiting plate is in an L-shaped structure, and a rubber pad is fixedly mounted on the upper surface of the pressing block.

[0009] It is further provided that the box body is in a convex-shaped structure, and four foot supports are evenly and fixedly installed on the lower surface of the low-speed desktop centrifuge body.

[0010] It is further provided that a heat dissipation port is provided on the front surface of the low-speed desktop centrifuge body, and a filter screen plate penetrating the low-speed desktop centrifuge body is provided inside the heat dissipation port.

[0011] It is further provided that two grooves communicating with the heat dissipation ports are provided on one side of the low-speed desktop centrifuge body, and convex edges slidably connected with the grooves are fixedly mounted on the upper and lower surfaces of the filter screen plate.

[0012] It is further provided that the filter screen plate is made of iron material, and a strong magnet in contact with the filter screen plate is embedded on the inner side of the heat dissipation port.

[0013] Compared with the related art, the novel low-speed desktop centrifuge provided by the utility model has the following beneficial effects:

[0014] The utility model provides a novel low-speed desktop centrifuge. By turning a knob, an active bevel gear connected by a rotating rod is driven to rotate, and then a bidirectional screw connected by a driven bevel gear is driven to rotate, so that two movable plates on the outer sides are controlled to move, so that both of the two limit plates can be stuck on the edge of the table, and by turning a hand-adjusting bolt, a controllable abutment block is controlled to abut against the bottom of the table, so as to enhance the firmness of the low-speed desktop centrifuge body. The utility model solves the problem that the centrifuge in the prior art is usually directly placed on a work table, but in the actual use process, due to its own light weight and the vibration generated by the work, the centrifuge is easily shaken as a whole, the stability is insufficient, noise pollution is generated at the least, and the centrifugal effect is affected at the worst.

[0015] The utility model provides a novel low-speed desktop centrifuge. A filter screen plate is arranged inside the heat dissipation port, which can be used to filter dust in the air to avoid contaminating components inside the low-speed desktop centrifuge body. Moreover, by moving the filter screen plate to the left, the filter screen plate is separated from the strong magnet, and the convex edge is separated from the inside of the groove, so that the filter screen plate is convenient to disassemble and clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A structural schematic diagram of a preferred embodiment of a novel low-speed desktop centrifuge provided by the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the top view of the box body of the utility model;

[0019] Figure 4 It is a partial enlarged view of the A part of the utility model;

[0020] Figure 5 It is a left view of the utility model.

[0021] Numbers in the figure: 1. foot support; 2. low-speed desktop centrifuge body; 3. knob; 4. control switch; 5. filter screen; 6. heat dissipation port; 7. box body; 8. limit plate; 9. movable plate; 10. top cover; 11. convex edge; 12. hand-adjusting bolt; 13. rotating rod; 14. driving bevel gear; 15. two-way screw; 16. driven bevel gear; 17. strong magnet; 18. groove; 19. tightening block. DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the accompanying drawings. The accompanying drawings show typical embodiments of the present invention.

[0023] Embodiment 1:

[0024] like Figure 1-5As shown, the novel low-speed desktop centrifuge of the utility model comprises a low-speed desktop centrifuge body 2, a box body 7 is fixedly installed at the bottom of the low-speed desktop centrifuge body 2, a two-way screw rod 15 and a rotating rod 13 are rotatably connected inside the box body 7, one end of the rotating rod 13 is fixedly connected to the knob 3, and the other end of the rotating rod 13 is sleeved with an active bevel gear 14, the outer side of the two-way screw rod 15 is sleeved with a driven bevel gear 16 meshing with the active bevel gear 14, and the outer side of the two-way screw rod 15 is symmetrically screwed with a movable plate 9 that penetrates the box body 7, one end of each movable plate 9 is fixedly connected to a limit plate 8, the inner side of the limit plate 8 is screwed with a hand-adjusting bolt 12, and the upper end of the hand-adjusting bolt 12 is rotatably connected to a tightening block 19.

[0025] like Figure 1 As shown, a control switch 4 is fixedly mounted on one side of the low-speed desktop centrifuge body 2, and the low-speed desktop centrifuge body 2 includes a top cover 10 arranged on the top.

[0026] like Figure 5 As shown, the limiting plate 8 is in an L-shaped structure, and a rubber pad is fixedly mounted on the upper surface of the pressing block 19 .

[0027] During implementation, by rotating the knob 3, the active bevel gear 14 connected by the rotating rod 13 is driven to rotate, and then the bidirectional screw 15 connected by the driven bevel gear 16 is driven to rotate, so as to control the movement of the two movable plates 9 on the outside, so that the two limit plates 8 can be stuck on the edge of the table, and by rotating the hand-adjusting bolt 12, the control of the clamping block 19 to contact the bottom of the table is achieved, so as to enhance the firmness of the low-speed desktop centrifuge body 2, and solve the problem that the centrifuge in the prior art is usually placed directly on the workbench, but in the actual use process, due to its own light weight and the vibration generated by the work, it is easy to cause the centrifuge to shake as a whole, and the stability is insufficient, which may cause noise pollution at the least and affect the centrifugal effect at the worst.

[0028] Embodiment 2:

[0029] like Figure 1-5 As shown, on the basis of the first embodiment, the utility model provides a technical solution: the box body 7 is a convex-shaped structure, four foot supports 1 are evenly fixedly installed on the lower surface of the low-speed desktop centrifuge body 2, a heat dissipation port 6 is provided on the front surface of the low-speed desktop centrifuge body 2, a filter screen plate 5 penetrating the low-speed desktop centrifuge body 2 is arranged inside the heat dissipation port 6, two grooves 18 connected to the heat dissipation port 6 are provided on one side of the low-speed desktop centrifuge body 2, and convex edges 11 slidably connected to the grooves 18 are fixedly installed on the upper and lower surfaces of the filter screen plate 5, the filter screen plate 5 is made of iron material, and a strong magnet 17 in contact with the filter screen plate 5 is inlaid on the inner side of the heat dissipation port 6.

[0030] In practice, a filter screen 5 is provided inside the heat dissipation port 6, which can be used to filter dust in the air to avoid contamination of components inside the low-speed desktop centrifuge body 2. Moreover, by moving the filter screen 5 to the left, it is separated from the strong magnet 17, and the convex edge 11 is separated from the inside of the groove 18, thereby facilitating the removal of the filter screen 5 for cleaning.

[0031] When placing the low-speed desktop centrifuge body 2, the present technical solution first rotates the knob 3 to drive the active bevel gear 14 connected by the rotating rod 13 to rotate, and then drives the bidirectional screw 15 connected by the driven bevel gear 16 to rotate, driving the two outer movable plates 9 to move in opposite directions, so that the spacing between the two limit plates 8 is greater than the width of the desktop, and then the low-speed desktop centrifuge body 2 is placed on the work surface, so that the four foot supports 1 are in contact with the work surface, and then the knob 3 is rotated in the opposite direction so that the two limit plates 8 are both stuck on the edge of the table, and finally the hand-adjusting bolt 12 is rotated to drive the tightening block 19 connected to the rotation thereof to move upward so that it contacts the bottom of the table, thereby enhancing the firmness of the low-speed desktop centrifuge body 2. When the filter screen plate 5 needs to be removed, the filter screen plate 5 is directly pulled to the left to separate it from the strong magnet 17, so that the convex edge 11 is separated from the inside of the groove 18.

[0032] 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 novel low-speed desktop centrifuge, comprising a low-speed desktop centrifuge body (2), characterized in that: A box body (7) is fixedly mounted at the bottom of the low-speed desktop centrifuge body (2), and a bidirectional screw rod (15) and a rotating rod (13) are rotatably connected inside the box body (7), one end of the rotating rod (13) is fixedly connected to a knob (3), and the other end of the rotating rod (13) is sleeved with a driving bevel gear (14), the outer side of the bidirectional screw rod (15) is sleeved with a driven bevel gear (16) meshing with the driving bevel gear (14), and the outer side of the bidirectional screw rod (15) is symmetrically screwed with movable plates (9) penetrating the box body (7), one end of each movable plate (9) is fixedly connected to a limit plate (8), the inner side of the limit plate (8) is screwed with a hand-adjusting bolt (12), and the upper end of the hand-adjusting bolt (12) is rotatably connected to a tightening block (19).

2. The novel low-speed desktop centrifuge according to claim 1 is characterized in that: A control switch (4) is fixedly mounted on one side of the low-speed desktop centrifuge body (2), and the low-speed desktop centrifuge body (2) includes a top cover (10) arranged on the top.

3. The novel low-speed desktop centrifuge according to claim 1 is characterized in that: The limiting plate (8) is in an L-shaped structure, and a rubber pad is fixedly mounted on the upper surface of the abutting block (19).

4. The novel low-speed desktop centrifuge according to claim 1 is characterized in that: The box body (7) is in a convex-shaped structure, and four foot supports (1) are evenly and fixedly mounted on the lower surface of the low-speed desktop centrifuge body (2).

5. The novel low-speed desktop centrifuge according to claim 1 is characterized in that: A heat dissipation port (6) is provided on the front surface of the low-speed desktop centrifuge body (2), and a filter screen plate (5) penetrating the low-speed desktop centrifuge body (2) is provided inside the heat dissipation port (6).

6. The novel low-speed desktop centrifuge according to claim 5 is characterized in that: Two grooves (18) communicating with the heat dissipation port (6) are provided on one side of the low-speed desktop centrifuge body (2), and convex edges (11) slidably connected with the grooves (18) are fixedly mounted on the upper and lower surfaces of the filter screen plate (5).

7. The novel low-speed desktop centrifuge according to claim 5 is characterized in that: The filter screen plate (5) is made of iron material, and a strong magnet (17) in contact with the filter screen plate (5) is embedded on the inner side of the heat dissipation port (6).

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