Laboratory centrifugal machine with damping device

Abstract

The laboratory centrifugal machine with the damping device comprises a centrifugal machine box body, a box cover movably installed on the rear side of the upper end of the centrifugal machine box body and a centrifugal motor used for providing centrifugal force, a reserved cavity is formed in the middle of the upper end of the centrifugal machine box body, and a centrifugal cavity is installed in the reserved cavity. The centrifugal motor is installed at the bottom of the centrifugal cavity, the output end of the centrifugal motor is fixedly connected with a centrifugal tray, a plurality of sets of evenly-distributed holding mechanisms are inserted into the upper portion of the centrifugal tray, each holding mechanism comprises a containing pipe, and a plurality of sets of holding blocks used for holding centrifugal pipes are installed in an inner cavity of each containing pipe; a locking cover is movably installed in the middle of the upper end of the centrifugal tray, by arranging the holding mechanism, a user can conveniently insert centrifugal tubes with different thicknesses into the containing tubes for centrifugation, the larger the downward force of the centrifugal tubes is, the tighter the centrifugal tubes are held by the holding mechanism, and the situation that the centrifugal tubes shake during centrifugation is prevented.

Description

Technical Field

[0001] The utility model relates to the field of centrifuge-related equipment, in particular to a laboratory centrifuge with a damping device. Background Art

[0002] The working principle of a centrifuge is to use centrifugal force to separate the components in a mixture. Specifically, there are one or more rotors inside the centrifuge. When the rotor rotates at high speed, the components in the mixture are separated due to the centrifugal force of different magnitudes. The centrifuge can also control the speed and quality of separation by controlling the speed and centrifugal force of the rotor. Centrifuges are widely used in various fields, such as biology, chemistry, and medicine. In biology, centrifuges are often used to separate biological macromolecules such as cells, proteins, and DNA. In the fields of chemistry and medicine, centrifuges are also used to separate and purify various chemicals and drugs.

[0003] When placing centrifuge tubes of different thicknesses for centrifugal separation in an existing centrifuge, the placement holes of the centrifuge itself cannot completely match the centrifuge tubes, so that the centrifuge tubes thinner than the placement holes are prone to shake in the placement holes during centrifugation, which can easily cause damage to the centrifuge tubes. Therefore, we propose a laboratory centrifuge with a damping device. Utility Model Content

[0004] The main purpose of the utility model is to provide a laboratory centrifuge with a damping device, which can effectively solve the problem in the background technology that when the placement hole of the centrifuge itself and the centrifuge tube cannot completely match, the centrifuge tube is easy to shake during centrifugation.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A laboratory centrifuge with a damping device comprises a centrifuge box body, a box cover movably mounted on the rear side of the upper end of the centrifuge box body, and a centrifugal motor for providing centrifugal force, wherein a reserved chamber is opened in the middle of the upper end of the centrifuge box body, a centrifugal chamber is installed in the reserved chamber, the centrifugal motor is installed at the bottom of the centrifugal chamber, a centrifugal tray is fixedly connected to the output end of the centrifugal motor, a plurality of groups of evenly distributed clamping mechanisms are inserted on the upper part of the centrifugal tray, the clamping mechanisms comprise a placement tube, a plurality of groups of clamping blocks for clamping the centrifugal tube are installed in the inner cavity of the placement tube, and a locking cover is movably mounted in the middle of the upper end of the centrifugal tray.

[0007] Preferably, a lock rod is movably inserted on the front right end of the centrifuge box body, and a third spring is sleeved on the outside of the lock rod. When the box cover is closed on the centrifuge box body, the third spring can allow the lock rod to be inserted on the box cover to lock the box cover and the centrifuge box body together.

[0008] Preferably, the clamping mechanism includes a placement tube, a clamping block, a support block and a connecting rod. A plurality of groups of evenly distributed clamping blocks are movably inserted in the middle of the inner cavity of the placement tube. A support block is slidably connected to the lower part of the inner cavity of the placement tube. Connecting rods are fixedly connected to the left and right sides of the upper end of the support block. When the centrifuge tube is inserted into the placement tube, the support block slides down in the inner cavity of the placement tube. The sliding support block can drive the connecting rod to move downward together. The downward moving connecting rod squeezes the plurality of groups of clamping blocks to move toward the center of the placement tube, thereby clamping the centrifuge tube.

[0009] Preferably, both left and right sides of the lower end of the support block are movably connected with limit rods, and the outside of the limit rods is sleeved with a first spring. When the centrifuge tube is taken out of the placement tube, the first spring can restore the support block to its original position.

[0010] Preferably, the upper ends of the two groups of connecting rods are commonly fixedly connected with a fitting push ring, and the fitting push ring is slidably connected with the clamping block. When the centrifuge tube is inserted into the placement tube, the bottom of the centrifuge tube squeezes the support block so that the support block slides downward in the placement tube, thereby driving the connecting rod to slide downward, and the fitting push ring is slidably connected with the clamping block. When the fitting push ring moves downward, multiple groups of clamping blocks are squeezed and move toward the middle of the inner cavity of the placement tube at the same time, thereby clamping and fixing the centrifuge tube in the placement tube.

[0011] Preferably, a connecting rod is fixedly connected to the middle part of the lower end of the locking cover, and a fitting pressure block is slidably connected to the upper outer side of the connecting rod. A second spring is sleeved on the upper outer side of the connecting rod, and the second spring is slidably connected to the locking cover. The locking cover can be screwed onto the centrifuge tray through the connecting rod thread. When the locking cover is installed on the centrifuge tray, the second spring can press and secure the centrifuge tube at each placement tube in the placement tube, and the centrifuge tube is secured in the placement tube by cooperating with the clamping mechanism.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. By setting a clamping mechanism, when the centrifuge tube is inserted into the placement tube, the support block slides down in the inner cavity of the placement tube, and the sliding support block can drive the connecting rod to move downward together. The downward moving connecting rod squeezes multiple groups of clamping blocks to move toward the center of the placement tube, thereby clamping the centrifuge tube, which is convenient for users to insert centrifuge tubes of different thicknesses into the placement tube for centrifugation. At the same time, when the centrifuge tube is centrifuged, the greater the downward force of the centrifuge tube, the tighter the clamping mechanism holds the centrifuge tube, thereby preventing the centrifuge tube from shaking during centrifugation.

[0014] 2. By setting the locking cover, the fitting pressing block can press the centrifuge tube tightly in the placement tube while the locking cover is screwed on the centrifuge tray, making it convenient for operators to place the centrifuge tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the utility model when the locking cover is removed;

[0017] Figure 3 It is a structural schematic diagram of the lock rod of the utility model;

[0018] Figure 4 It is a cutaway view of the clamping mechanism of the utility model;

[0019] Figure 5 It is a cutaway view of the lock cover of the utility model.

[0020] In the figure: 1. centrifuge box body; 2. box cover; 3. reserved chamber; 4. centrifugal chamber; 5. centrifugal motor; 6. centrifugal tray; 7. clamping mechanism; 71. placement tube; 72. clamping block; 73. support block; 731. limit rod; 732. first spring; 74. connecting pull rod; 741. fitting push ring; 8. locking cover; 81. connecting rod; 82. fitting pressure block; 83. second spring; 9. locking rod; 91. third spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example

[0023] See also Figure 1 - Figure 5 The present embodiment provides a technical solution: a laboratory centrifuge with a damping device, comprising a centrifuge box body 1, a box cover 2 movably mounted on the rear side of the upper end of the centrifuge box body 1, and a centrifugal motor 5 for providing centrifugal force, a reserved chamber 3 is opened in the middle of the upper end of the centrifuge box body 1, a centrifugal chamber 4 is installed in the reserved chamber 3, the centrifugal motor 5 is installed at the bottom of the centrifugal chamber 4, a centrifugal tray 6 is fixedly connected to the output end of the centrifugal motor 5, a plurality of groups of evenly distributed clamping mechanisms 7 are inserted on the upper part of the centrifugal tray 6, the clamping mechanism 7 comprises a placement tube 71, a plurality of groups of clamping blocks 72 for clamping the centrifugal tube are installed in the inner cavity of the placement tube 71, and a locking cover 8 is movably installed in the middle of the upper end of the centrifugal tray 6.

[0024] A locking rod 9 is movably inserted on the front right end of the centrifuge box body 1, and a third spring 91 is sleeved on the outside of the locking rod 9. When the box cover 2 is closed on the centrifuge box body 1, the third spring 91 can allow the locking rod 9 to be inserted on the box cover 2, thereby locking the box cover 2 and the centrifuge box body 1 together.

[0025] The clamping mechanism 7 includes a placement tube 71, a clamping block 72, a support block 73 and a connecting rod 74. A plurality of evenly distributed clamping blocks 72 are movably inserted in the middle of the inner cavity of the placement tube 71. A support block 73 is slidably connected to the lower part of the inner cavity of the placement tube 71. Connecting rods 74 are fixedly connected to the left and right sides of the upper end of the support block 73. When the centrifuge tube is inserted into the placement tube 71, the support block 73 slides down in the inner cavity of the placement tube 71. The sliding support block 73 can drive the connecting rod 74 to move downward together. The downward moving connecting rod 74 squeezes the plurality of clamping blocks 72 to move toward the center of the placement tube 71, thereby clamping the centrifuge tube.

[0026] Limiting rods 731 are movably connected to the left and right sides of the lower end of the support block 73, and the outer sides of the limiting rods 731 are sleeved with first springs 732. When the centrifuge tube is taken out of the placement tube 71, the first spring 732 can restore the support block 73 to its original position.

[0027] The upper ends of the two groups of connecting rods 74 are fixedly connected with a fitting push ring 741, and the fitting push ring 741 is slidably connected with the clamping block 72. When the centrifuge tube is inserted into the placement tube 71, the bottom of the centrifuge tube squeezes the support block 73 so that the support block 73 slides downward in the placement tube 71, thereby driving the connecting rod 74 to slide downward, and the fitting push ring 741 is slidably connected with the clamping block 72. When the fitting push ring 741 moves downward, multiple groups of clamping blocks 72 are squeezed to move toward the middle of the inner cavity of the placement tube 71 at the same time, and the centrifuge tube is clamped and fixed in the placement tube 71.

[0028] A connecting rod 81 is fixedly connected to the middle part of the lower end of the locking cover 8, and a fitting pressure block 82 is slidably connected to the upper outer side of the connecting rod 81. A second spring 83 is sleeved on the upper outer side of the connecting rod 81. The second spring 83 is slidably connected to the locking cover 8. The locking cover 8 can be screwed on the centrifuge tray 6 through the connecting rod 81. When the locking cover 8 is installed on the centrifuge tray 6, the second spring 83 can press and secure the centrifuge tube at each placement tube 71 in the placement tube 71, and the centrifuge tube is firmly secured in the placement tube 71 by cooperating with the clamping mechanism 7.

[0029] Working principle:

[0030] It should be noted that the utility model is a laboratory centrifuge with a damping device. When in use, the box cover 2 is opened, the locking cover 8 is unscrewed from the centrifuge tray 6, the centrifuge tube is taken out from the placement tube 71, and the material to be centrifuged is added and then inserted into the placement tube 71. When the centrifuge tube is inserted into the placement tube 71, the bottom of the centrifuge tube squeezes the support block 73 so that the support block 73 slides downward in the placement tube 71, thereby driving the connecting rod 74 to slide downward, and the push ring 741 is slidably connected with the holding block 72. While moving downward, the multiple groups of clamping blocks 72 are squeezed and moved toward the middle of the inner cavity of the placement tube 71 at the same time, so that the centrifuge tube is clamped and fixed in the placement tube 71, and then the locking cover 8 is screwed on the centrifuge tray 6, so that the fitting pressing block 82 presses the tube mouth position of the centrifuge tube, and the clamping mechanism 7 is used to fix the centrifuge tube in the placement tube 71, and then the box cover 2 is closed, and the box cover 2 and the centrifuge box body 1 are locked together by the locking rod 9, and finally the switch on the centrifuge box body 1 is started, and the material in the centrifuge tube can be centrifuged after adjusting the corresponding parameters.

[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A laboratory centrifuge with a damping device, comprising a centrifuge box (1), a box cover (2) movably mounted on the upper rear side of the centrifuge box (1), and a centrifugal motor (5) for providing centrifugal force, characterized in that: A reserved chamber (3) is provided in the middle of the upper end of the centrifuge box body (1), a centrifugal chamber (4) is installed in the reserved chamber (3), the centrifugal motor (5) is installed at the bottom of the centrifugal chamber (4), the output end of the centrifugal motor (5) is fixedly connected to a centrifugal tray (6), a plurality of groups of evenly distributed clamping mechanisms (7) are inserted into the upper part of the centrifugal tray (6), the clamping mechanism (7) comprises a placement tube (71), a plurality of groups of clamping blocks (72) for clamping the centrifugal tube are installed in the inner cavity of the placement tube (71), and a locking cover (8) is movably installed in the middle of the upper end of the centrifugal tray (6).

2. A laboratory centrifuge with a damping device according to claim 1, characterized in that: A lock rod (9) is movably inserted at the front side of the right end of the centrifuge box body (1), and a third spring (91) is sleeved on the outside of the lock rod (9).

3. A laboratory centrifuge with a damping device according to claim 1, characterized in that: The clamping mechanism (7) comprises a placement tube (71), a plurality of groups of evenly distributed clamping blocks (72) are movably inserted in the middle of the inner cavity of the placement tube (71), a support block (73) is slidably connected to the lower part of the inner cavity of the placement tube (71), and connecting rods (74) are fixedly connected to the left and right sides of the upper end of the support block (73).

4. A laboratory centrifuge with a damping device according to claim 3, characterized in that: The left and right sides of the lower end of the support block (73) are both movably plugged with limit rods (731), and the outside of the limit rods (731) are both sleeved with first springs (732).

5. A laboratory centrifuge with a damping device according to claim 4, characterized in that: The upper ends of the two groups of connecting rods (74) are commonly fixedly connected with a fitting push ring (741), and the fitting push ring (741) is slidably connected with the clamping block (72).

6. A laboratory centrifuge with a damping device according to claim 1, characterized in that: A connecting rod (81) is fixedly connected to the middle part of the lower end of the locking cover (8); a fitting pressing block (82) is slidably connected to the upper outer side of the connecting rod (81); a second spring (83) is sleeved on the upper outer side of the connecting rod (81); and the second spring (83) is slidably connected to the locking cover (8).

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