Sample mixing device

By designing a sample mixing device including an elastic shock absorber and an eccentric wheel, the problem of accurate positioning in the prior art cannot be achieved after mixing the samples, the requirements of high-throughput automated sampling are realized, and the stability and practicality of the device are improved.

CN222677907UActive Publication Date: 2025-03-28FLOW CYTOLOGY SAISI BIOTECHNOLOGY(SHANGHAI) CO LTD
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Patent Information

Application Number
CN202421356479.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-03-28
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The existing shaker centrifugal mixing device cannot achieve accurate positioning after mixing samples and cannot meet the requirements of high-throughput automated sampling.

Method used

Design a sample mixing device, including a base, elastic shock absorber, sample disk, DC motor and eccentric wheel. The DC motor and eccentric wheel provide rotational power, and the sample disk is buffered and resetted with elastic shock absorbers to avoid position deviation and achieve accurate positioning.

Benefits of technology

Accurate positioning after mixing samples is achieved, meets the requirements of high-throughput automated sampling, reduces maintenance costs and improves the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a sample uniform mixing device which comprises a base, at least three elastic shock absorbers, a plurality of elastic shock absorbers, a plurality of elastic shock absorbers and a plurality of elastic shock absorbers, and is characterized in that the elastic shock absorbers are arranged on the base; the sample disc is arranged on the elastic shock absorber, a mounting bracket is arranged at the bottom of the sample disc, and the mounting bracket is arranged in the center of the sample disc; the direct current motor is arranged on the mounting bracket; and the eccentric wheel is arranged below the mounting bracket and is connected with the direct current motor. The installation support is arranged at the center position below the sample disc, the direct-current motor is arranged on the installation support, the eccentric wheel connected with the direct-current motor is arranged below the installation support, rotation power is provided through the direct-current motor and the eccentric wheel, and the sample disc is connected with the elastic shock absorber; the elastic shock absorber is used for buffering and resetting the sample disc, so that the problem of position deviation after rotating and uniformly mixing is avoided, and accurate positioning of the device after rotating and uniformly mixing is ensured.
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Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a sample mixing device. Background Art

[0002] Before routine in vitro blood sample testing, the collected blood samples need to be fully mixed to prevent coagulation and affect relevant test results.

[0003] For high-throughput automated sampling, subsequent sampling and a series of loading operations are carried out in conjunction with precise positioning of the subsequent injection needle. The current shaking table centrifugal mixing device cannot achieve precise positioning, and the stop position is uncontrolled, which cannot meet the requirements of high-throughput automated sampling.

[0004] Therefore, how to achieve accurate positioning of the sample mixing device after rotation and mixing becomes a problem that needs to be solved.

[0005] The above information disclosed in the background section is only for enhancing understanding of the background of the present application and therefore it may contain information that does not form the prior art known to a person of ordinary skill in the art. Utility Model Content

[0006] The present application provides a sample mixing device to solve the problems existing in the prior art.

[0007] The present application provides a sample mixing device, comprising:

[0008] A base, wherein the base is provided with elastic shock absorbers, and at least three elastic shock absorbers are provided;

[0009] A sample tray is arranged on the elastic shock absorber, wherein a mounting bracket is arranged at the bottom of the sample tray, and the mounting bracket is arranged at the center of the sample tray;

[0010] A DC motor disposed on the mounting bracket;

[0011] An eccentric wheel is arranged below the mounting bracket, and the eccentric wheel is connected to the DC motor.

[0012] In some embodiments, the elastic shock absorber is fixedly connected to the base.

[0013] In some embodiments, there are four elastic shock absorbers.

[0014] In some embodiments, the elastic shock absorber is fixedly connected to the sample plate.

[0015] In some embodiments, the DC motor is a brushless DC motor.

[0016] In some embodiments, the mounting bracket is detachably connected to the sample tray.

[0017] In some embodiments, the outer diameter of the eccentric wheel is 20 mm and the eccentric distance is 5 mm.

[0018] The sample mixing device provided in the present application includes: a base, on which an elastic shock absorber is provided, and at least three elastic shock absorbers are provided; a sample tray provided on the elastic shock absorber, and a mounting bracket is provided at the bottom of the sample tray, and the mounting bracket is provided at the center of the sample tray; a DC motor provided on the mounting bracket; and an eccentric wheel provided below the mounting bracket, and the eccentric wheel is connected to the DC motor. The present application sets a mounting bracket at the center position below the sample tray, sets a DC motor on the mounting bracket, and sets an eccentric wheel connected to the DC motor below the mounting bracket, provides rotational power through the DC motor and the eccentric wheel, and connects the sample tray to the elastic shock absorber, and utilizes the elastic shock absorber to buffer and reset the sample tray, so as to avoid the problem of positional offset after rotation and mixing, and ensure that the device can achieve precise positioning after rotation and mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the present application.

[0020] Figure 1 A cross-sectional view of a sample mixing device provided for this application;

[0021] Figure 2 An exploded view of the sample mixing device provided for this application;

[0022] Figure 3 This is a front view of the sample mixing device provided in this application.

[0023] Description of Figure Numbers:

[0024] 1. Base; 2. Elastic shock absorber; 3. DC motor; 4. Mounting bracket; 5. Eccentric wheel; 6. Sample plate.

[0025] The above drawings have shown clear embodiments of the present application, which will be described in more detail later. These drawings and text descriptions are not intended to limit the scope of the present application in any way, but to illustrate the concept of the present application to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] The terms used in the embodiments of the present application are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "an" and "the" used in the embodiments of the present application are also intended to include plural forms, unless the context clearly indicates other meanings.

[0028] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] It should be understood that the terms "length", "width", "up", "down", "front", "back", "first", "second", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0031] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0032] It should be understood that the term "and / or" used in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0033] As used herein, the words "if" and "if" may be interpreted as "at the time of" or "when" or "in response to determining" or "in response to detecting", depending on the context. Similarly, the phrases "if it is determined" or "if (stated condition or event) is detected" may be interpreted as "when it is determined" or "in response to determining" or "when detecting (stated condition or event)" or "in response to detecting (stated condition or event)", depending on the context.

[0034] It should also be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such a product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0035] The technical solution of the present application and how the technical solution of the present application solves the above-mentioned technical problems are described in detail below with specific embodiments. The following specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of the present application will be described below in conjunction with the accompanying drawings.

[0036] Figure 1 A cross-sectional view of the sample mixing device provided in this application, Figure 2 An exploded view of the sample mixing device provided in this application, Figure 3 The front view of the sample mixing device provided in this application is as follows Figures 1 to 3 As shown, the sample mixing device provided in the present application comprises:

[0037] A base 1, wherein the base 1 is provided with elastic shock absorbers 2, and at least three elastic shock absorbers 2 are provided;

[0038] A sample tray 6 is arranged on the elastic shock absorber 2, a mounting bracket 4 is arranged at the bottom of the sample tray 6, and the mounting bracket 4 is arranged at the center of the sample tray 6;

[0039] A DC motor 3 disposed on the mounting bracket 4;

[0040] An eccentric wheel 5 is disposed below the mounting bracket 4 , and the eccentric wheel 5 is connected to the DC motor 3 .

[0041] Specifically, in the embodiment of the present application, the center distance between each elastic shock absorber 2 and the base 1 is the same.

[0042] The present application sets a mounting bracket 4 at the center position below the sample tray 6, sets a DC motor 3 on the mounting bracket 4, and sets an eccentric wheel 5 connected to the DC motor 3 below the mounting bracket 4, provides rotational power through the DC motor 3 and the eccentric wheel 5, and connects the sample tray 6 to the elastic shock absorber 2, and uses the elastic shock absorber 2 to buffer and reset the sample tray, avoiding the problem of position offset after rotation and mixing, and ensuring that the device can achieve accurate positioning after rotation and mixing. Moreover, the sample mixing device of the present application sets the DC motor 3 below the sample tray 6 by setting the mounting bracket 4, and the overall structure is compact, reducing the occupied space.

[0043] refer to Figure 1 As shown, in some embodiments, the elastic shock absorber 2 is fixedly connected to the base 1 .

[0044] refer to Figure 2 As shown, in some embodiments, there are four elastic shock absorbers 2 , and the elastic shock absorbers 2 support the sample plate 6 .

[0045] Specifically, in the embodiment of the present application, the number of the elastic shock absorbers 2 can also be adjusted according to actual conditions. For example, the number of the elastic shock absorbers 2 can also be set to five or six to enhance the stability of the support for the sample plate 6.

[0046] refer to Figure 1 As shown, in some embodiments, the elastic shock absorber 2 is fixedly connected to the sample tray 6 .

[0047] In some embodiments, the DC motor 3 is a brushless DC motor.

[0048] Specifically, in the embodiment of the present application, the rotation speed of the brushless DC motor can reach 8000r / min.

[0049] In some embodiments, the mounting bracket 4 and the sample tray 6 are detachably connected, which facilitates the maintenance or replacement of the mounting bracket 4 and the DC motor 3 disposed on the mounting bracket 4, reduces the maintenance cost of the device, and improves the practicality of the device.

[0050] Specifically, in the embodiment of the present application, the mounting bracket 4 and the sample tray 6 are connected by bolts.

[0051] To be more specific, in the embodiment of the present application, the elastic shock absorber 2 and the sample tray 6 are detachably connected, which facilitates the maintenance or replacement of the sample tray 6 and improves the practicality of the device.

[0052] In some embodiments, the outer diameter of the eccentric wheel 5 is 20 mm and the eccentric distance is 5 mm.

[0053] It should be noted that the structure of the eccentric wheel 5 can be implemented based on the existing technology and will not be described in detail here.

[0054] In the present application, the elastic shock absorber 2 is fixedly connected to the base 1 and is arranged on the four corners of the base 1. The elastic shock absorber 2 supports the sample plate 6. The sample plate 6 is fixedly connected to the elastic shock absorber 2. In the present application, a high-speed brushless DC motor is used, and an eccentric wheel 5 is provided to provide rotational power to drive the sample plate 6 to rotate. The elastic shock absorber 2 is used to make the eccentric distance of the sample plate 5 reach 2 mm for sample mixing, thereby achieving precise positioning after rotation and mixing.

[0055] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any modification, use or adaptation of the present application, which follows the general principles of the present application and includes common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present application are indicated by the claims.

[0056] It should be understood that the present application is not limited to the precise structures that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A sample mixing device, characterized in that: include: A base, wherein the base is provided with elastic shock absorbers, and at least three elastic shock absorbers are provided; A sample tray is arranged on the elastic shock absorber, wherein a mounting bracket is arranged at the bottom of the sample tray, and the mounting bracket is arranged at the center of the sample tray; A DC motor disposed on the mounting bracket; An eccentric wheel is arranged below the mounting bracket, and the eccentric wheel is connected to the DC motor.

2. The sample mixing device according to claim 1, characterized in that: The elastic shock absorber is fixedly connected to the base.

3. The sample mixing device according to claim 2, characterized in that: There are four elastic shock absorbers.

4. The sample mixing device according to claim 1, characterized in that: The elastic shock absorber is fixedly connected to the sample plate.

5. The sample mixing device according to claim 1, characterized in that: The DC motor is a brushless DC motor.

6. The sample mixing device according to claim 1, characterized in that: The mounting bracket and the sample tray are detachably connected.

7. The sample mixing device according to claim 1, characterized in that: The outer diameter of the eccentric wheel is 20 mm, and the eccentric distance is 5 mm.