Refrigerated centrifuge capable of stably clamping centrifugal tube
By setting up a placement chamber and multi-component structure on the centrifuge rack of the refrigeration centrifuge, the stable clamping of centrifuge tubes of different specifications is solved, and the problem of shaking and damaged centrifuge tubes in the prior art is solved. Improves the safety and convenience of the equipment.
Patent Information
- Application Number
- CN202420578943.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-25
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-03-25
AI Technical Summary
The existing refrigeration centrifuge chamber cannot be suitable for centrifuge tubes of different specifications, causing the centrifuge tube to shake when rotating at high speed, which is prone to damage and causes internal debris of the centrifuge, affecting its use.
A refrigeration centrifuge is designed to stably clamp the centrifuge tube. By setting a placement chamber on the centrifuge rack, the slid structure is equipped with connecting horizontal plates, positioning tubes, reset springs and other structures. Gravity and centrifugal force work together, through multiple The synergistic effect of components enables stable clamping of centrifuge tubes of different specifications.
It effectively avoids the centrifuge tube shaking in the cavity, prevents damage, and reduces the internal debris of the centrifuge, improving the convenience and safety of operation.
Smart Images
Figure CN222469368U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of refrigerated centrifuges, in particular to a refrigerated centrifuge for stably clamping a centrifuge tube. Background Art
[0002] A centrifuge is a machine that uses centrifugal force to accelerate the separation of different materials that need to be separated. Refrigerated centrifuges are divided into low-speed and high-speed refrigerated centrifuges, as well as ultra-speed analysis and preparation dual-purpose refrigerated centrifuges. Refrigerated centrifuges are widely used in the biomedical field.
[0003] Existing refrigerated centrifuges usually include a centrifugal mechanism and a cooling mechanism. The centrifugal mechanism usually includes a driving motor and a centrifugal frame for placing centrifuge tubes. The driving motor drives the centrifugal frame to rotate at high speed, thereby driving the centrifuge tubes to perform centrifugal motion, and the cooling mechanism cools the centrifuge tubes. Existing cavities for placing centrifuge tubes are mostly fixed structures. Since centrifuge tubes have various capacity specifications, centrifuge tubes of different specifications cannot be stably placed in the cavity. Therefore, the centrifuge tubes are prone to shaking in the cavity during high-speed rotation, causing damage to the centrifuge tubes, causing contamination to the inside of the centrifuge, and affecting the use of operators. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] The technical problem to be solved by the utility model is that the cavity of the refrigerated centrifuge cannot be adapted to centrifuge tubes of different specifications, which causes the centrifuge tubes to shake in the cavity, resulting in damage to the centrifuge tubes, contamination of the interior of the centrifuge, and affecting the use of the operator.
[0006] (II) Technical solution
[0007] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a refrigerated centrifuge for stably clamping a centrifuge tube, comprising a centrifuge body, a cover hinged on the centrifuge body, a centrifuge frame provided on the centrifuge body, a placement cavity provided on the centrifuge frame, a plurality of placement cavities are equidistantly arranged along the circumferential direction of the centrifuge frame, and the placement cavity is inclined, a connecting transverse plate is slidably arranged in the placement cavity, a placement bottom bracket is arranged at the upper end of the connecting transverse plate, a connecting block is arranged on the connecting transverse plate, a positioning slide block is arranged on the connecting block, a wedge plate is arranged on the positioning slide block, a positioning tube is slidably arranged on the placement cavity, a matching plate is arranged at one end of the positioning tube, a reset spring is arranged on the placement cavity, the reset spring is sleeved on the positioning tube, one end of the reset spring abuts against the matching plate, a matching block is arranged on the matching plate, the matching block slidably abuts against the wedge plate, a limiting plate is arranged at the other end of the positioning tube, a movable plate is slidably arranged on the positioning tube, a movable column extending from the positioning tube is arranged on one side of the movable plate, a lateral support plate is arranged at one end of the movable column, and an adjusting spring is arranged on the other side of the movable plate.
[0008] As an improvement, a limiting slider is provided on the positioning tube, and a plurality of limiting sliders are arranged equidistantly along the circumferential direction of the inner wall of the positioning tube, and the movable plate is slidably connected to the limiting slider.
[0009] As an improvement, the centrifugal frame is provided with a protective shell corresponding to the placement cavity, the protective shell is provided with a positioning slide groove, the positioning slide groove is arranged corresponding to the positioning slider, and the positioning slider is slidably connected to the positioning slide groove.
[0010] As an improvement, the placement base is provided with buffer strips, the buffer strips are made of elastic material, and multiple groups of buffer strips are arranged at equal intervals.
[0011] As an improvement, the protective shell is provided with heat exchange holes, and the heat exchange holes are arranged in multiple groups and are evenly distributed on the protective shell.
[0012] As an improvement, a sealing strip is provided on the centrifuge body, and a sealing chamber corresponding to the sealing strip is provided on the machine cover.
[0013] As an improvement, a support spring is provided at the lower end of the placement cavity, and one end of the support spring is connected to the connecting horizontal plate.
[0014] (III) Beneficial effects
[0015] The advantages of the utility model compared with the prior art are:
[0016] When centrifuge tubes of different specifications are placed in the placement chamber, the centrifuge tubes fall under the combined action of gravity and centrifugal force, and the centrifuge tubes squeeze the placement bottom bracket, and the placement bottom bracket drives the wedge plate to move downward through the connecting cross plate, the connecting block, and the positioning slider, and the wedge plate drives the positioning tube to move through the matching block and the matching plate, and the adjusting spring drives the lateral supporting plate to move through the moving plate and the moving column, thereby clamping and fixing centrifuge tubes of different specifications, preventing the centrifuge tubes from shaking in the placement chamber, preventing the centrifuge tubes from being damaged, and avoiding contamination of the inside of the centrifuge body, which is convenient for operators to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the structure of a refrigerated centrifuge for stably clamping centrifuge tubes in the utility model. Figure 1 .
[0018] Figure 2 This is a schematic diagram of the structure of a refrigerated centrifuge for stably clamping centrifuge tubes in the utility model. Figure 2 .
[0019] Figure 3 This is a schematic diagram of the structure of a refrigerated centrifuge for stably clamping centrifuge tubes in the utility model. Figure 3 .
[0020] Figure 4It is an enlarged view of part A of a refrigerated centrifuge for stably clamping a centrifuge tube according to the utility model.
[0021] Figure 5 It is an enlarged view of the B part of a refrigerated centrifuge for stably clamping a centrifuge tube according to the utility model.
[0022] As shown in the figure: 1. Centrifuge body; 2. Machine cover; 3. Centrifugal frame; 4. Placement chamber; 5. Wedge plate; 6. Positioning tube; 7. Reset spring; 8. Matching plate; 9. Matching block; 10. Limiting plate; 11. Moving plate; 12. Moving column; 13. Lateral support plate; 14. Adjusting spring; 15. Limiting slider; 16. Positioning slider; 17. Connecting block; 18. Connecting cross plate; 19. Placement bottom support; 20. Support spring; 21. Positioning slide; 22. Buffer strip; 23. Heat exchange hole; 24. Sealing strip; 25. Sealing chamber; 26. Protective shell. DETAILED DESCRIPTION
[0023] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0024] Combined with Figure 1 To Attachment Figure 5A refrigerated centrifuge for stably clamping a centrifuge tube comprises a centrifuge body 1, a cover 2 is hingedly connected to the centrifuge body 1, and the cover 2 has a locking mechanism that cooperates with the centrifuge body 1, which can realize the closing of the cover 2. This is the current existing technology and will not be repeated here. A centrifuge frame 3 is provided on the centrifuge body 1, and a placement cavity 4 is provided on the centrifuge frame 3. The placement cavity 4 is arranged in multiple groups equidistantly along the circumferential direction of the centrifuge frame 3, and the placement cavity 4 is arranged obliquely. A driving mechanism for driving the centrifuge frame 3 to rotate is provided on the centrifuge body 1, and a cooling mechanism is provided on the centrifuge body 1. This is the current existing technology. , no further details are given here, a connecting transverse plate 18 is slidably provided in the placement cavity 4, a supporting spring 20 is provided at the lower end of the placement cavity 4, one end of the supporting spring 20 is connected to the connecting transverse plate 18, a placement base 19 is provided at the upper end of the connecting transverse plate 18, the inner side of the placement base 19 is an arc-shaped structure, which is better matched with centrifuge tubes of different specifications, a buffer strip 22 is provided on the placement base 19, the buffer strip 22 is made of elastic material, and multiple groups of buffer strips 22 are equidistantly arranged to avoid damage to the centrifuge tube during the placement process and improve the protection of the centrifuge tube, a connecting block 17 is provided on the connecting transverse plate 18, A positioning slider 16 is provided on the connecting block 17, a protective shell 26 corresponding to the placement cavity 4 is provided on the centrifugal frame 3, a positioning slide 21 is provided on the protective shell 26, the positioning slide 21 is arranged corresponding to the positioning slider 16, the positioning slider 16 is slidably connected to the positioning slide 21, and the stability of the sliding of the positioning slider 16 is improved. A wedge plate 5 is provided on the positioning slider 16, and the upper end size of the wedge plate 5 is larger than the lower end size. A positioning tube 6 is slidably provided on the placement cavity 4, and a matching plate 8 is provided at one end of the positioning tube 6. A reset spring 7 is provided on the placement cavity 4, and the reset spring 7 is sleeved on the positioning On the tube 6, one end of the return spring 7 abuts against the matching plate 8, and a matching block 9 is provided on the matching plate 8. The matching block 9 slides and abuts against the wedge plate 5. A limit plate 10 is provided at the other end of the positioning tube 6. A movable plate 11 is slidably provided on the positioning tube 6. A limit slider 15 is provided on the positioning tube 6. A plurality of limit sliders 15 are equidistantly arranged along the circumferential direction of the inner wall of the positioning tube 6. The movable plate 11 is slidably connected with the limit slider 15. A movable column 12 extending from the positioning tube 6 is provided on one side of the movable plate 11. A lateral support plate 13 is provided at one end of the movable column 12. An adjusting spring 14 is provided on the other side of the movable plate 11.
[0025] Through the above structure, when the centrifuge tube is placed in the placement chamber 4, the centrifuge tube falls under the action of gravity, and the bottom of the centrifuge tube contacts the placement base 19. The gravity of the centrifuge tube drives the placement base 19 to move downward, and the connecting cross plate 18, the connecting block 17, the positioning slide block 16 and the wedge plate 5 move downward synchronously. The positioning slide block 16 slides along the positioning slide groove 21, and the wedge plate 5 moves downward while squeezing the matching block 9. The matching block 9 drives the positioning tube 6 to move synchronously through the matching plate 8. At this time, the lateral support plate 13 contacts the side wall of the centrifuge tube, and the reaction force generated by the deformation of the adjusting spring 14 pushes the moving plate 11 to drive the lateral support plate 13 to keep in contact with the side wall of the centrifuge tube through the moving column 12. When the centrifugal frame 3 rotates centrifugally, the centrifuge tube maintains a downward movement trend under the action of centrifugal force, so that the lateral support plate 13 maintains a clamping effect on the centrifuge tube, so that it can be suitable for centrifuge tubes of different specifications.
[0026] Combined with Figure 1 To Attachment Figure 3 The protective shell 26 is provided with heat exchange holes 23, and a plurality of groups of heat exchange holes 23 are arranged, and the heat exchange holes 23 are evenly distributed on the protective shell 26, so as to improve the heat exchange capacity of the protective shell 26 and improve the cooling speed of the placement cavity 4. The centrifuge body 1 is provided with a sealing strip 24, and the machine cover 2 is provided with a sealing chamber 25 corresponding to the sealing strip 24, so as to reduce the loss of heat and save energy.
[0027] During the specific implementation of the utility model, the centrifuge tube is placed in the placement cavity 4, the machine cover 2 is closed, and the centrifuge frame 3 is driven to rotate by the centrifuge body 1. The centrifuge tube maintains a downward trend under the combined action of gravity and centrifugal action, and the centrifuge tube squeezes the placement bottom bracket 19. The placement bottom bracket 19 drives the wedge plate 5 to move downward through the connecting cross plate 18, the connecting block 17, and the positioning slide block 16. The wedge plate 5 drives the positioning tube 6 to move through the matching block 9 and the matching plate 8. The adjusting spring 14 drives the lateral supporting plate 13 to move through the moving plate 11 and the moving column 12, so as to clamp and fix centrifuge tubes of different specifications, avoid the centrifuge tube from shaking in the placement cavity 4, prevent the centrifuge tube from being damaged, avoid contamination to the inside of the centrifuge body 1, and facilitate the use by operators.
[0028] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.
Claims
1. A refrigerated centrifuge for stably clamping a centrifuge tube, comprising a centrifuge body (1), a cover (2) hingedly connected to the centrifuge body (1), a centrifuge frame (3) provided on the centrifuge body (1), a placement cavity (4) provided on the centrifuge frame (3), a plurality of placement cavities (4) being equidistantly arranged in a circumferential direction of the centrifuge frame (3), and the placement cavities (4) being inclinedly arranged, characterized in that: A connecting transverse plate (18) is slidably provided in the placement cavity (4), a placement base (19) is provided at the upper end of the connecting transverse plate (18), a connecting block (17) is provided on the connecting transverse plate (18), a positioning slide block (16) is provided on the connecting block (17), and a wedge plate (5) is provided on the positioning slide block (16); A positioning tube (6) is slidably provided on the placement cavity (4), a matching plate (8) is provided at one end of the positioning tube (6), a return spring (7) is provided on the placement cavity (4), the return spring (7) is sleeved on the positioning tube (6), one end of the return spring (7) is in contact with the matching plate (8), a matching block (9) is provided on the matching plate (8), the matching block (9) is in slidable contact with the wedge plate (5), a limiting plate (10) is provided at the other end of the positioning tube (6), a moving plate (11) is slidably provided on the positioning tube (6), a moving column (12) extending from the positioning tube (6) is provided on one side of the moving plate (11), a lateral support plate (13) is provided at one end of the moving column (12), and an adjusting spring (14) is provided on the other side of the moving plate (11).
2. A refrigerated centrifuge for stably holding a centrifuge tube according to claim 1, characterized in that: The positioning tube (6) is provided with a limiting slider (15), and a plurality of limiting sliders (15) are arranged at equal distances along the circumferential direction of the inner wall of the positioning tube (6). The movable plate (11) is slidably connected to the limiting slider (15).
3. A refrigerated centrifuge for stably holding a centrifuge tube according to claim 1, characterized in that: The centrifugal frame (3) is provided with a protective shell (26) corresponding to the placement cavity (4), and the protective shell (26) is provided with a positioning slide groove (21). The positioning slide groove (21) is arranged corresponding to the positioning slide block (16), and the positioning slide block (16) is slidably connected to the positioning slide groove (21).
4. A refrigerated centrifuge for stably holding a centrifuge tube according to claim 1, characterized in that: The placing base (19) is provided with a buffer strip (22), the buffer strip (22) is made of elastic material, and a plurality of groups of the buffer strips (22) are arranged at equal intervals.
5. A refrigerated centrifuge for stably holding a centrifuge tube according to claim 3, characterized in that: The protective shell (26) is provided with heat exchange holes (23), and the heat exchange holes (23) are arranged in multiple groups, and the heat exchange holes (23) are evenly distributed on the protective shell (26).
6. A refrigerated centrifuge for stably holding a centrifuge tube according to claim 1, characterized in that: The centrifuge body (1) is provided with a sealing strip (24), and the machine cover (2) is provided with a sealing chamber (25) corresponding to the sealing strip (24).
7. A refrigerated centrifuge for stably holding a centrifuge tube according to claim 1, characterized in that: A support spring (20) is provided at the lower end of the placement cavity (4), and one end of the support spring (20) is connected to the connecting transverse plate (18).