A centrifugal device

By designing limiting components and centrifugation components, the loading and unloading operations of test tubes are simplified, the stability and efficiency of test tubes in centrifugation equipment are improved, and the problems of cumbersome and unstable test tube operation in existing equipment are solved.

CN224358613UActive Publication Date: 2026-06-16BEIJING LUHE HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEIJING LUHE HOSPITAL AFFILIATED TO CAPITAL MEDICAL UNIV
Filing Date
2025-07-02
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing centrifuge equipment has cumbersome procedures for loading and unloading test tubes, and the test tubes are unstable when rotating at high speed, especially when the lengths are mismatched, resulting in large shaking and low efficiency.

Method used

The use of a limiting component, with the design of a cover plate and a limiting plate, simplifies the operation of limiting the position of the test tube, and the use of a centrifugal component to reduce friction through ball bearing support and rolling contact ensures smooth rotation of the test tube under different length conditions.

🎯Benefits of technology

The procedure for determining the position of the test tube has been simplified, the complexity of operation has been reduced, and the stability and centrifugation efficiency of the test tubes at high speeds have been improved.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224358613U_ABST
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Abstract

The utility model discloses a centrifugal equipment relates to medical instrument technical field. The utility model discloses a casing is equipped with the limiting component on the casing, and the limiting component includes the cover plate hinged on the casing, and the lower surface of cover plate is equipped with the limiting disc, and the lower surface of cover plate is equipped with the internal thread hole, and the upper surface of limiting disc is fixedly connected the convex rod screw thread connection in the inside of internal thread hole, the inside of casing is equipped with centrifugal component, and the centrifugal component includes the connecting disc in the inside of casing, and the lower surface of connecting disc is connected with the depositing cylinder, and the lower surface of depositing cylinder is provided with the ball rolling contact on the inner bottom of casing. The utility model sets up limiting component, and simplifies the step of test tube position definition or position definition cancellation, reduces the work load of staff, and sets up centrifugal component, and makes depositing cylinder more stably rotate with connecting disc, and the depositing cylinder of higher speed rotation is convenient, and the sample in the test tube is more efficient centrifugal processing.
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Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, and in particular relates to a centrifuge device. Background Technology

[0002] When conducting medical tests in a hospital laboratory, medical staff need to obtain the sample to be tested from the patient's body and store the sample inside a test tube for later use and testing. Before testing certain samples (serum, plasma, or urine), medical staff will use centrifugation equipment to centrifuge the serum, plasma, or urine.

[0003] However, centrifuge equipment still has the following shortcomings in actual use:

[0004] 1. A motor is installed on the bottom inner part of the machine casing. The output end of the motor is connected to a rotating shaft. A turntable is installed on the rotating shaft. The turntable has through holes for inserting test tubes. A limit plate is threadedly connected to the upper surface of the turntable. The operator loosens the limit plate clockwise to remove it from the turntable, inserts the test tube containing the sample into the turntable, and then tightens the limit plate counterclockwise to thread it back onto the turntable, thus limiting the upward movement of the test tube. However, the operator needs to repeatedly disassemble and assemble the limit plate to load and unload the test tubes, increasing the number of operation steps and the workload of the operator.

[0005] 2. The staff inserts the test tube into the through hole, placing it on the turntable. When the test tube is short, the through hole on the turntable can fully accommodate it. When the test tube is long, the through hole cannot fully accommodate it, causing the bottom of the test tube to penetrate the through hole. When the turntable rotates at high speed, the test tube will also rotate at high speed. However, because the through hole on the turntable cannot fully accommodate a long test tube, the bottom of the test tube will wobble significantly during high-speed rotation, reducing the stability of the test tube's rotation. Therefore, the test tube can only rotate at a low speed, reducing the efficiency of centrifugation of the sample inside the test tube.

[0006] To address these issues, we provide a centrifuge device. Utility Model Content

[0007] The purpose of this utility model is to provide a centrifugation device that simplifies the operation steps of limiting or releasing the position of the test tube by setting a limiting component, reducing the workload of the staff, and makes the test tube rotate more smoothly by setting a centrifugation component, so as to facilitate and make the centrifugation of the sample inside the test tube more efficient, thereby solving the technical problems mentioned in the background art.

[0008] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0009] This utility model relates to a centrifuge device, including a housing. A limiting assembly is provided on the housing, comprising a cover plate hinged to the housing, a limiting disc on the lower surface of the cover plate, and an internally threaded hole on the lower surface of the cover plate. A protruding rod fixed to the upper surface of the limiting disc is threaded into the internally threaded hole. A centrifuge assembly is located inside the housing, including a connecting disc disposed inside the housing. A storage cylinder is connected to the lower surface of the connecting disc, and ball bearings disposed on the lower surface of the storage cylinder roll and contact the inner bottom of the housing.

[0010] The present invention is further configured such that handles are fixedly connected to both sides of the housing, and supports are fixedly connected to the four corners of the lower surface of the housing.

[0011] The present invention is further configured such that the control console connected to the side wall of the housing is located on the side away from the cover plate, and the upper surface of the control console is provided with a controller and a display screen.

[0012] The present invention is further configured such that the upper surface of the housing is symmetrically provided with slots, the slots are provided with electromagnets, and the lower surface of the cover plate is symmetrically fixed with iron rods, the iron rods being positioned corresponding to the electromagnets.

[0013] The present invention is further configured such that the electromagnet is located on the side closer to the control console, and the iron rod is located on the side closer to the control console.

[0014] The present invention is further configured such that a motor is installed at the inner bottom of the housing, and the upper end of the rotating shaft connected to the output end of the motor is connected to the lower surface of the connecting plate.

[0015] The present invention is further configured such that a positioning rod is fixedly connected to the upper end of the rotating shaft, a positioning groove is provided on the lower surface of the connecting plate, the positioning rod is inserted into the interior of the positioning groove, and a countersunk bolt threaded to the upper surface of the connecting plate is threaded to the upper end of the positioning rod.

[0016] This utility model has the following beneficial effects:

[0017] 1. This utility model, by setting a limiting component, allows the cover plate to be opened by pulling it upward, moving the limiting plate out of the machine housing, releasing the limitation on the test tube, and pulling the test tube upward to remove it from the machine housing; pressing the cover plate downward causes it to close by moving the limiting plate in an arc, allowing the limiting plate to enter the machine housing and restricting the upward movement of the test tube. Simply opening and closing the cover plate is enough to limit or release the position of the test tube, eliminating the need for repeated disassembly and assembly of the limiting plate, reducing the number of operation steps and the workload of the staff.

[0018] 2. This utility model, by setting up a centrifuge assembly, enables the motor to be powered on, the rotating shaft to rotate, and the ball bearings to move on the inner bottom of the casing. The connecting plate moves in an arc around the rotating shaft as a fixed point. The storage cylinder rotates with the connecting plate, causing the test tubes placed inside the storage cylinder to rotate, thus centrifuging the samples inside the test tubes. This design facilitates the support of the ball bearings for the storage cylinder, reduces the friction between the storage cylinder and the casing, and makes the rotation of the storage cylinder more stable. It also increases the stability of the test tubes when rotating with the storage cylinder. Furthermore, the storage cylinder can symmetrically limit the movement of test tubes of different lengths, effectively reducing the swaying amplitude of the test tubes when rotating with the storage cylinder, further increasing the stability of the test tubes during rotation, and making the centrifugation of the samples inside the test tubes more efficient. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0020] Figure 1 A schematic cross-sectional view of a centrifuge device;

[0021] Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0022] Figure 3 A three-dimensional schematic diagram of a centrifuge device. Figure 1 ;

[0023] Figure 4 A three-dimensional schematic diagram of a centrifuge device. Figure 2 .

[0024] The attached diagram lists the components represented by each number as follows:

[0025] 1-House, 101-Control console, 101a-Display screen, 101b-Controller, 102-Electromagnet, 102a-Gate, 103-Handle, 104-Support, 2-Limit assembly, 201-Cover plate, 202-Iron rod, 203-Limit plate, 203a-Protruding rod, 3-Centrifugal assembly, 301-Connecting plate, 301a-Positioning groove, 301b-Countersunk bolt, 302-Storage cylinder, 302a-Ball bearing, 303-Motor, 303a-Shaft, 303b-Positioning rod. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0027] Example 1

[0028] Please see Figure 3 and Figure 4 This utility model is a centrifuge device, including a housing 1, a handle 103 and a support 104. The handle 103 is used by the staff to move the housing 1 and to facilitate the adjustment of the position of the housing 1.

[0029] Specifically, a handle 103 is fixedly connected to the side wall of the housing 1, a support 104 is fixedly connected to the corner of the lower surface of the housing 1, a control console 101 is connected to the side wall of the housing 1, the control console 101 is equipped with a display screen 101a and a controller 101b, and the upper surface of the housing 1 is symmetrically provided with slots 102a, and an electromagnet 102 is provided inside the slots 102a.

[0030] Furthermore, the output terminal of the controller 101b is electrically connected to the input terminal of the electromagnet 102, the two handles 103 are symmetrically arranged, and the supports 104 are arranged in a rectangular array.

[0031] The operation process of this embodiment is as follows: the operator holds the handle 103 with both hands, applies an upward force to the handle 103, lifts the housing 1, moves the housing 1 to the workbench, places the support 104 stably on the workbench, and places the housing 1 on the workbench.

[0032] Example 2

[0033] Please see Figure 1 and Figure 4 Based on the first specific embodiment, a limiting component 2 is provided. The limiting component 2 includes a cover plate 201, an iron rod 202, a limiting disc 203, and a protruding rod 203a. Pulling the cover plate 201 upward moves the limiting disc 203 out of the machine housing 1, releasing the limiting disc 203 from restricting the test tube. Pressing the cover plate 201 downward moves the limiting disc 203 into the machine housing 1, limiting the test tube to move upward. The limiting disc 203 does not need to be repeatedly disassembled and reassembled, reducing the workload.

[0034] Specifically, the cover plate 201 is hinged to the housing 1, and iron rods 202 are symmetrically fixed to the lower surface of the cover plate 201. The lower surface of the cover plate 201 is provided with an internal threaded hole. The limiting plate 203 is provided on the lower surface of the cover plate 201, and a protruding rod 203a is fixed to the upper surface of the limiting plate 203. The protruding rod 203a is threaded into the inside of the internal threaded hole.

[0035] Furthermore, the position of the iron rod 202 corresponds to the position of the electromagnet 102;

[0036] The operation process of this embodiment is as follows: When the controller 101b is in the closed state, the electromagnet 102 is de-energized, and the operator pulls the cover plate 201 upward to open the cover plate 201. At the same time, the limiting plate 203 moves out of the machine housing 1. When the cover plate 201 is pressed downward, the cover plate 201 is closed. At the same time, the limiting plate 203 enters the machine housing 1 and is located above the test tube. When the controller 101b is in the open state, the electromagnet 102 is energized, and the iron rod 202 is stably inserted into the hole slot 102a.

[0037] Example 3

[0038] Please see Figure 1 , Figure 2 and Figure 4 Based on specific embodiments one and two, a centrifugation assembly 3 is provided. The centrifugation assembly 3 includes a connecting plate 301, a countersunk bolt 301b, a storage cylinder 302, a ball bearing 302a, a motor 303, a rotating shaft 303a, and a positioning rod 303b. When the motor 303 is energized, the rotating shaft 303a rotates, the connecting plate 301 rotates, and the storage cylinder 302 rotates, thereby realizing the centrifugation of the sample inside the test tube. At this time, the ball bearing 302a moves on the inner bottom of the casing 1, making the storage cylinder 302 move more smoothly in an arc, increasing the stability of the sample inside the test tube during centrifugation, enabling the sample inside the test tube to be centrifuged at a higher speed, and improving the centrifugation efficiency of the sample inside the test tube.

[0039] Specifically, the motor 303 is installed on the inner bottom of the housing 1. The output end of the motor 303 is connected to the rotating shaft 303a. The upper end of the rotating shaft 303a is fixedly connected to the positioning rod 303b. The connecting plate 301 is located on the upper end of the rotating shaft 303a. The lower surface of the connecting plate 301 is provided with a positioning groove 301a. The positioning rod 303b is inserted into the inside of the positioning groove 301a. The upper surface of the connecting plate 301 is threaded with a countersunk bolt 301b. The countersunk bolt 301b is threadedly connected to the upper end of the positioning rod 303b. The lower surface of the connecting plate 301 is connected to a storage cylinder 302. The lower surface of the storage cylinder 302 is provided with a ball bearing 302a. The ball bearing 302a rolls and contacts the inner bottom of the housing 1.

[0040] Furthermore, the storage cylinders 302 are arranged in a ring array;

[0041] The operation process of this embodiment is as follows: Open the cover plate 201, insert the test tube containing the sample to be centrifuged into the storage cylinder 302, close the cover plate 201, the limiting plate 203 is located above the test tube containing the sample to be centrifuged, the controller 101b is turned on, the electromagnet 102 is energized, the position of the cover plate 201 is fixed, the motor 303 is energized, the rotating shaft 303a rotates, the positioning rod 303b rotates, the ball bearing 302a moves on the inner bottom of the casing 1, the connecting plate 301 moves in an arc around the rotating shaft 303a as a fixed point, the storage cylinder 302 rotates, and the sample inside the test tube is centrifuged.

[0042] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A centrifuge device, comprising a casing (1), characterized in that: The housing (1) is provided with a limiting component (2), the limiting component (2) includes a cover plate (201) hinged to the housing (1), the lower surface of the cover plate (201) is provided with a limiting disc (203), the lower surface of the cover plate (201) is provided with an internal thread hole, and the upper surface of the limiting disc (203) is fixed with a protrusion (203a) threadedly connected to the inside of the internal thread hole; The casing (1) is equipped with a centrifugal assembly (3). The centrifugal assembly (3) includes a connecting plate (301) located inside the casing (1). The lower surface of the connecting plate (301) is connected to a storage cylinder (302). The ball bearings (302a) on the lower surface of the storage cylinder (302) roll and contact the inner bottom of the casing (1).

2. The centrifuge device according to claim 1, characterized in that: Handles (103) are fixedly attached to both sides of the housing (1), and supports (104) are fixedly attached to the four corners of the lower surface of the housing (1).

3. A centrifuge device according to claim 2, characterized in that: The control console (101) connected to the side wall of the housing (1) is located on the side away from the cover plate (201), and the upper surface of the control console (101) is provided with a controller (101b) and a display screen (101a).

4. A centrifuge device according to claim 1, characterized in that: The upper surface of the housing (1) is symmetrically provided with slots (102a), and an electromagnet (102) is provided inside the slots (102a). The lower surface of the cover plate (201) is symmetrically fixed with iron rods (202), and the positions of the iron rods (202) and the electromagnets (102) correspond.

5. A centrifuge device according to claim 4, characterized in that: The electromagnet (102) is located on the side closer to the control panel (101), and the iron rod (202) is located on the side closer to the control panel (101).

6. A centrifuge device according to claim 1, characterized in that: A motor (303) is installed at the bottom of the inner part of the housing (1), and the upper end of the rotating shaft (303a) connected to the output end of the motor (303) is connected to the lower surface of the connecting plate (301).

7. A centrifuge device according to claim 6, characterized in that: A positioning rod (303b) is fixedly connected to the upper end of the rotating shaft (303a). A positioning groove (301a) is provided on the lower surface of the connecting plate (301). The positioning rod (303b) is inserted into the positioning groove (301a). A countersunk bolt (301b) threaded to the upper surface of the connecting plate (301) is threaded to the upper end of the positioning rod (303b).