Positioning assembly and dynamic balance equipment for assembling rotating disc of medical plasma centrifugal machine

Abstract

The utility model relates to the technical field of medical equipment, in particular to a positioning assembly and medical plasma centrifuge turntable assembly dynamic balance equipment, which comprises a shell, a rotating motor is fixedly connected to the bottom end face of the inner side of the shell, a centrifugal turntable is fixedly connected to the output end of the rotating motor, and a plurality of test tube grooves are formed in the inner side of the centrifugal turntable; a plurality of clamping positioning devices are arranged on the inner side surface of the centrifugal turntable in a circumferential array; the upper end of the centrifugal rotating disc is rotationally sleeved with a rotating transposition disc, and the upper end of the rotating transposition disc is fixedly connected with a rotating knob. The positioning assembly and the dynamic balance equipment for assembling the rotating disc of the medical plasma centrifugal machine have the beneficial effects that the clamping positioning device is arranged, so that when a balancing test tube is inserted, the test tube can be fastened by a fixing buckle by adjusting a rotating knob, the positioning after the insertion is realized, and the test tube is prevented from loosening or falling off during centrifugal rotation.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a positioning component and a medical plasma centrifuge turntable assembly dynamic balancing device. Background Art

[0002] In medical tests, centrifuges are often used as instruments to separate serum and plasma. Centrifuges can be used to quickly precipitate suspended particles in a mixed solution, thereby separating the components of various substances with different specific gravities. When using a centrifuge, it is necessary to balance the centrifuge to ensure dynamic balance when the centrifuge rotates at high speed.

[0003] Traditional balancing is to plug the test tubes in relative positions to ensure dynamic balance. However, the plugging may become loose during plugging, causing the test tubes to become loose or even detached during centrifugal rotation, posing certain safety hazards to the experiment. Therefore, the utility model solves the above-mentioned problem by providing a positioning component and a medical plasma centrifuge turntable assembly dynamic balancing device. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning component and a dynamic balancing device for assembling a turntable of a medical plasma centrifuge to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning component, the positioning component and the medical plasma centrifuge turntable assembly dynamic balancing device include: a shell, the bottom end surface of the inner side of the shell is fixedly connected to a rotating motor, the output end of the rotating motor is fixedly connected to a centrifugal turntable, and the inner side of the centrifugal turntable is provided with a plurality of test tube slots; the inner surface of the centrifugal turntable is provided with a plurality of clamping positioning devices in a circular array; the upper end of the centrifugal turntable is rotatably sleeved with a rotating transposition disk, and the upper end of the rotating transposition disk is fixedly connected to a rotating knob.

[0006] Preferably, the clamping positioning device includes a spring groove, which is opened in a circular array on the inner surface of the centrifugal turntable, and the lower end of the inner side of the spring groove is fixedly connected to a tension spring, the end of the tension spring is fixedly connected to a supporting elastic plate, the upper end of the supporting elastic plate is fixedly connected to a fixing buckle, and the lower end of the fixing buckle is fixedly connected to a support rod.

[0007] Preferably, a test tube is inserted into the test tube slot, and a fixing buckle is provided at the upper end of the test tube corresponding to the positioning block.

[0008] Preferably, a plurality of fixing grooves are provided in a circular array on the outer side of the rotating transposition disk, and the fixing grooves have rounded corners.

[0009] Preferably, a plurality of unlocking grooves are provided in a circular array on the outer side of the rotating transposition disk, and the unlocking grooves have rounded corners.

[0010] A medical plasma centrifuge turntable assembly dynamic balancing device, in which the above positioning assembly is used.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The positioning assembly and the medical plasma centrifuge turntable assembly dynamic balancing device proposed in the utility model are provided with a clamping positioning device, so that when the balancing test tube is plugged in, the fixing buckle can be adjusted to tighten the test tube by adjusting the rotating knob, so as to achieve positioning after plugging in and prevent the test tube from loosening or falling off during centrifugal rotation. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0014] Figure 2 It is a partial structural schematic diagram of the utility model;

[0015] Figure 3 It is a schematic diagram of the partial structure of the utility model;

[0016] Figure 4 for Figure 3 Enlarged schematic diagram at point A in the middle.

[0017] In the figure: 1 housing, 2 centrifugal turntable, 3 test tube, 4 fixing buckle, 5 rotating knob, 6 rotating transposition disk,

[0018] 7 fixed slot, 8 unlocking slot, 9 rotating motor, 10 supporting rod, 11 test tube slot, 12 supporting elastic plate,

[0019] 13 spring slot, 14 tension spring. DETAILED DESCRIPTION

[0020] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0021] Embodiment 1

[0022] See also Figure 1-Figure 4The utility model provides a technical solution: a positioning component, a positioning component and a medical plasma centrifuge turntable assembly dynamic balancing device include: a shell 1, a rotating motor 9 is fixedly connected to the bottom end surface of the inner side of the shell 1, a centrifugal turntable 2 is fixedly connected to the output end of the rotating motor 9, a plurality of test tube slots 11 are provided on the inner side of the centrifugal turntable 2, and the test tube slots 11 are at an inclined angle, which is convenient for higher separation efficiency during centrifugation; a plurality of clamping positioning devices are arranged in a circular array on the inner surface of the centrifugal turntable 2; a rotating transposition disk 6 is rotatably sleeved on the upper end of the centrifugal turntable 2, and a rotating knob 5 is fixedly connected to the upper end of the rotating transposition disk 6.

[0023] Embodiment 2

[0024] On the basis of embodiment 1, a plurality of fixing grooves 7 are provided in a circular array on the outer side of the rotating transposition disk 6, and the notches of the fixing grooves 7 are provided with rounded corners. A plurality of unlocking grooves 8 are provided in a circular array on the outer side of the rotating transposition disk 6, and the notches of the unlocking grooves 8 are provided with rounded corners. The notches of the fixing grooves 7 are shallower, and the notches of the unlocking grooves 8 are deeper. The rotating transposition disk 6 can be manually rotated by turning the knob 5, so that different notches can be matched to the card-connecting positioning device.

[0025] Embodiment 3

[0026] On the basis of the second embodiment, the card-jointing positioning device includes a spring groove 13, which is arranged in a circular array on the inner surface of the centrifugal turntable 2. The lower end of the inner side of the spring groove 13 is fixedly connected with a tension spring 14, and the end of the tension spring 14 is fixedly connected with a support elastic plate 12. The upper end of the support elastic plate 12 is fixedly connected with a fixing buckle 4, and the lower end of the fixing buckle 4 is fixedly connected with a support rod 10. A test tube 3 is inserted in the test tube groove 11, and the upper end of the test tube 3 is correspondingly blocked with a fixing buckle 4. When the card-jointing positioning device corresponds to the fixing groove 7, the support rod 10 is lifted up, and the fixing buckle 4 realizes the positioning restriction on the test tube 3. The rotating knob 5 is adjusted and the rounded corner of the notch is used to make the card-jointing positioning device correspond to the unlocking groove 8. The support rod 10 is inserted in the unlocking groove 8 and the fixing buckle 4 releases the positioning restriction on the test tube 3.

[0027] A medical plasma centrifuge turntable assembly dynamic balancing device, in which the above positioning assembly is used.

[0028] During actual use, the test tube 3 is inserted into the test tube slot 11. When the snap-fit ​​positioning device corresponds to the fixed slot 7, the support rod 10 is lifted up, and the fixed buckle 4 realizes the positioning restriction on the test tube 3, and the rotating motor 9 can be started for centrifugal extraction. After the extraction is completed, the rotating knob 5 is adjusted, and the rounded corners of the slot make the snap-fit ​​positioning device correspond to the unlocking slot 8. The support rod 10 is inserted into the unlocking slot 8, and the fixed buckle 4 releases the positioning restriction on the test tube 3, and the test tube 3 can be taken out.

[0029] Although the 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 positioning component, characterized in that: The positioning component comprises: A housing (1), wherein a rotating motor (9) is fixedly connected to the bottom end surface of the inner side of the housing (1), a centrifugal turntable (2) is fixedly connected to the output end of the rotating motor (9), and a plurality of test tube slots (11) are provided on the inner side of the centrifugal turntable (2); The inner surface of the centrifugal turntable (2) is provided with a plurality of snap-fit ​​positioning devices in a circular array; A rotating transposition disk (6) is rotatably sleeved on the upper end of the centrifugal turntable (2), and a rotating knob (5) is fixedly connected to the upper end of the rotating transposition disk (6).

2. A positioning assembly according to claim 1, characterized in that: The clamping positioning device comprises a spring groove (13), wherein the spring groove (13) is arranged in a circular array on the inner surface of the centrifugal turntable (2), a tension spring (14) is fixedly connected to the inner lower end of the spring groove (13), the end of the tension spring (14) is fixedly connected to a supporting elastic plate (12), the upper end of the supporting elastic plate (12) is fixedly connected to a fixing buckle (4), and the lower end of the fixing buckle (4) is fixedly connected to a supporting rod (10).

3. A positioning assembly according to claim 1, characterized in that: A test tube (3) is inserted into the test tube slot (11), and a fixing buckle (4) is provided at the upper end of the test tube (3) for corresponding positioning and blocking.

4. A positioning assembly according to claim 1, characterized in that: The outer side of the rotating transposition disk (6) is provided with a plurality of fixing grooves (7) in a circumferential array, and the fixing grooves (7) have rounded corners.

5. A positioning assembly according to claim 1, characterized in that: The outer side of the rotating transposition disk (6) is provided with a plurality of unlocking grooves (8) in a circumferential array, and the notches of the unlocking grooves (8) are provided with rounded corners.

6. A medical plasma centrifuge turntable assembly dynamic balancing device, characterized in that: The positioning assembly described in any one of claims 1 to 5 is used.

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