Centrifugal machine rotating speed metering and detecting device

Abstract

The utility model discloses a centrifuge rotating speed metering detection device, which relates to the technical field of rotating speed metering detection and comprises a base, two sides of the base are connected with supporting columns, the top ends of the two supporting columns are connected with a fixed seat, and the bottom end of the fixed seat is provided with a detection unit. According to the device, through cooperation of the sliding rod, the check block, the limiting groove, the rotating rod and the fixing column, rapid disassembly and assembly between the rotating rod and the connector can be facilitated, so that the rotating rod and the contact head can be flexibly replaced when rotating speed detection is carried out on centrifugal machines of multiple specifications and models, and the detection efficiency is improved. Therefore, the device can be adapted to the detection of centrifugal machines of various types and specifications, the adaptation range and the detection flexibility are improved, the centrifugal machines of various sizes can be limited and fixed through the cooperation of the base, the supporting block, the limiting block and the adjusting screw rod, and the centrifugal machines are prevented from being damaged in the detection process. The vibration of the centrifugal machine body causes inaccurate detection data, and the reliability of the data is improved.

Description

Technical Field

[0001] The utility model relates to the field of rotational speed measurement and detection, in particular to a rotational speed measurement and detection device for a centrifuge. Background Art

[0002] Centrifuges are commonly used in medical testing activities and can separate the substances to be tested through the centrifugal force of the centrifuge. During the production and maintenance process of the centrifuge, it is necessary to measure and detect its rotational speed. For example, a Chinese patent discloses a rotational speed measurement and detection device for a medical centrifuge (publication number CN219891272U). Although this device can measure and detect the rotational speeds of multiple centrifuge devices, due to the large differences in the structures and sizes of centrifuges of different models, it cannot meet the matching requirements when testing and using centrifuges of multiple specifications and models, thus increasing the detection difficulty and limitations. Summary of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a rotational speed measurement and detection device for a centrifuge, which solves the problems raised in the above background art.

[0004] To achieve the above objectives, the utility model is realized through the following technical solutions: A rotational speed measurement and detection device for a centrifuge includes a base, both sides of the base are connected with support columns, the tops of the two support columns are connected with a fixed seat, and a detection unit is arranged at the bottom end of the fixed seat;

[0005] The detection unit includes a detector, the bottom end of the detector is connected with a connecting head, the bottom end of the connecting head is connected with a rotating rod, a contact head is arranged at the bottom end of the rotating rod, the top end of the rotating rod is connected with a connecting sleeve, and four engaging blocks are annularly connected to the inner side wall of the connecting sleeve.

[0006] As a further technical solution of the utility model, three support blocks are annularly connected to the upper surface of the base, adjusting screws penetrate through the outer surfaces of the three support blocks, and limit blocks are arranged at one ends of the three adjusting screws.

[0007] As a further technical solution of the utility model, engaging grooves are opened at the corresponding positions of the outer surface of the connecting head and the sliding paths of the four engaging blocks, two adjusting seats are annularly connected to the outer surface of the connecting sleeve, and two fixing columns are annularly connected to the outer surface of the connecting head.

[0008] As a further technical solution of the utility model, two sliding rods are connected to the inner side wall of the adjusting seat, stoppers are arranged at the top ends of the two sliding rods, and limiting grooves are correspondingly opened at the end faces of the two stoppers and the fixing columns.

[0009] As a further technical solution of the present utility model, chutes are provided at the corresponding positions of the sliding paths of the sliding rods on both side surfaces of the adjusting seat, and limiting springs are connected to one side surface of the sliding rod and located on the inner side wall of the adjusting seat.

[0010] As a further technical solution of the present utility model, anti-slip rubber layers are provided on one side surface of the three limiting blocks. The limiting blocks are connected to the support blocks through adjusting screws, and screw holes corresponding to the adjusting screws are provided on the outer surface of the support blocks.

[0011] As a further technical solution of the present utility model, the inner diameter dimension of the connecting sleeve is adapted to the outer diameter dimension of the connecting head, the inner diameter dimension of the engaging groove is adapted to the sliding path of the engaging block, the inner diameter dimension of the limiting groove is adapted to the sliding path of the fixing column, and the inner diameter dimension of the chute is adapted to the sliding path of the sliding rod.

[0012] The present utility model provides a centrifuge rotational speed measurement and detection device, which has the following beneficial effects compared with the prior art:

[0013] 1. For the centrifuge rotational speed measurement and detection device designed in this way, through the cooperation between the sliding rod, the stop block, the limiting groove, the rotating rod and the fixing column, the quick disassembly and assembly between the rotating rod and the connecting head can be facilitated. Thus, when performing centrifuge rotational speed detection of multiple specifications and models, the rotating rod and the contact head can be flexibly replaced, so that the device can be adapted to the detection of multiple models and specifications of centrifuges, improving the adaptation range and detection flexibility.

[0014] For the centrifuge rotational speed measurement and detection device designed in this way, through the cooperation between the base, the support block, the limiting block and the adjusting screw, centrifuges of multiple sizes can be limited and fixed, preventing the occurrence of inaccurate detection data caused by the vibration of the centrifuge body during the detection process and improving the reliability of the data. Description of the Drawings

[0015] Figure 1 It is a structural schematic diagram of a centrifuge rotational speed measurement and detection device;

[0016] Figure 2 It is a front view of a centrifuge rotational speed measurement and detection device;

[0017] Figure 3 It is an exploded structural schematic diagram of a centrifuge rotational speed measurement and detection device;

[0018] Figure 4 It is an exploded structural schematic diagram of the detection unit of a centrifuge rotational speed measurement and detection device;

[0019] Figure 5 It is a centrifuge rotational speed measurement and detection device Figure 4 An enlarged view of A in.

[0020] In the figure: 1. Base; 11. Support block; 12. Adjusting screw; 13. Limit block; 2. Support column; 3. Fixed seat; 4. Detection unit; 41. Detector; 42. Connector; 43. Rotating rod; 44. Contact head; 45. Connecting sleeve; 46. Engaging block; 47. Engaging groove; 48. Adjusting seat; 49. Slide bar; 401. Stopper; 402. Limit groove; 403. Fixed column; 404. Chute; 405. Limit spring. Specific implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0022] Please refer to Figures 1-4 , the present invention provides a technical solution for a centrifuge rotational speed measurement and detection device: including a base 1, both sides of the base 1 are connected with support columns 2, the tops of the two support columns 2 are connected with a fixed seat 3, the bottom end of the fixed seat 3 is provided with a detection unit 4, the detection unit 4 includes a detector 41, the bottom end of the detector 41 is connected with a connector 42, the bottom end of the connector 42 is connected with a rotating rod 43, the bottom end of the rotating rod 43 is provided with a contact head 44, the top end of the rotating rod 43 is connected with a connecting sleeve 45, and four engaging blocks 46 are annularly connected to the inner side wall of the connecting sleeve 45.

[0023] As Figures 1-3 shown, three support blocks 11 are annularly connected to the upper surface of the base 1, adjusting screws 12 penetrate through the outer surfaces of the three support blocks 11, limit blocks 13 are arranged at one ends of the three adjusting screws 12, anti-slip rubber layers are arranged on one side surfaces of the three limit blocks 13, the limit blocks 13 are connected with the support blocks 11 through the adjusting screws 12, and screw holes corresponding to the adjusting screws 12 are opened on the outer surfaces of the support blocks 11. It should be noted that the limit blocks 13 connected by the three support blocks 11 and the adjusting screws 12 can limit and fix the centrifuge, thereby ensuring the stability during the detection process and the accuracy of the detection data.

[0024] As Figures 3-5As shown in the figure, engaging grooves 47 are respectively formed at the corresponding positions of the outer surface of the connector 42 and the sliding paths of the four engaging blocks 46. Two adjusting seats 48 are annularly connected to the outer surface of the connecting sleeve 45. Two fixing columns 403 are annularly connected to the outer surface of the connector 42. Two sliding rods 49 are connected to the inner side wall of the adjusting seat 48. Stopper blocks 401 are arranged at the tops of the two sliding rods 49. Limiting grooves 402 are correspondingly formed on the end faces of the two stopper blocks 401 and the fixing columns 403. Chute grooves 404 are respectively formed at the corresponding positions of the two side surfaces of the adjusting seat 48 and the sliding paths of the sliding rods 49. Limiting springs 405 are connected to the inner side wall of the adjusting seat 48 and on one side surface of the sliding rod 49. The inner diameter dimension of the connecting sleeve 45 is adapted to the outer diameter dimension of the connector 42. The inner diameter dimension of the engaging groove 47 is adapted to the sliding path of the engaging block 46. The inner diameter dimension of the limiting groove 402 is adapted to the sliding path of the fixing column 403. The inner diameter dimension of the chute groove 404 is adapted to the sliding path of the sliding rod 49. It should be noted that the sliding of the two sliding rods 49 on the inner side wall of the chute groove 404 can drive the engagement and separation of the stopper block 401 and the limiting groove 402 with the fixing column 403, so as to facilitate the quick disassembly and assembly of the rotating rod 43 and the contact head 44, and is convenient for adapting to the detection of various centrifuges.

[0025] The working principle of the present utility model is as follows: Place the centrifuge to be detected on the upper surface of the base 1, and then rotate the three adjusting screws 12 so that the three limiting blocks 13 approach the centrifuge from three directions and fix the centrifuge body tightly, and then the detection and measurement of the centrifuge speed can be carried out;

[0026] According to the model size of the centrifuge, slide the two sliding rods 49 on the inner side wall of the two adjusting seats 48 along the inner side wall of the chute groove 404 inward, squeeze the limiting spring 405, so that the sliding rod 49 drives the stopper block 401 to slide, and make the limiting groove 402 on the end faces of the two stopper blocks 401 separate from the outer surface of the fixing column 403. Then, remove the rotating rod 43 and the connecting sleeve 45 from the outer surface of the bottom end of the connector 42, so that the engaging block 46 separates from the engaging groove 47, and then different models and sizes of the rotating rod 43 and the contact head 44 can be replaced to adapt to the detection of different models of centrifuges.

[0027] The above is only the preferred embodiment of the present utility model. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and retouches can be made, and these improvements and retouches should also be regarded as the protection scope of the present utility model. The structures, devices and operation methods not specifically described and explained in the present utility model, without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A centrifuge rotational speed measurement and detection device, characterized in that, It includes a base (1): Support columns (2) are connected to both sides of the base (1), a fixing base (3) is connected to the tops of the two support columns (2), and a detection unit (4) is arranged at the bottom end of the fixing base (3). The detection unit (4) includes a detector (41), a connection head (42) is connected to the bottom end of the detector (41), a rotating rod (43) is connected to the bottom end of the connection head (42), a contact head (44) is arranged at the bottom end of the rotating rod (43), a connection sleeve (45) is connected to the top end of the rotating rod (43), and four engaging blocks (46) are annularly connected to the inner side wall of the connection sleeve (45).

2. The centrifuge speed measurement and detection device according to claim 1, wherein Three support blocks (11) are annularly connected to the upper surface of the base (1), adjusting screws (12) penetrate through the outer surfaces of the three support blocks (11), and a limiting block (13) is arranged at one end of each of the three adjusting screws (12).

3. The centrifugal machine rotational speed measurement and detection device according to claim 1, characterized in that, Engaging grooves (47) are formed at the corresponding positions of the outer surface of the connection head (42) and the sliding paths of the four engaging blocks (46), two adjusting seats (48) are annularly connected to the outer surface of the connection sleeve (45), and two fixing columns (403) are annularly connected to the outer surface of the connection head (42).

4. The centrifuge speed measurement and detection device according to claim 3, characterized in that, Two sliding rods (49) are connected to the inner side wall of the adjusting seat (48), two stoppers (401) are arranged at the top ends of the two sliding rods (49), and limiting grooves (402) are correspondingly formed on the end faces of the two stoppers (401) and the fixing columns (403).

5. A centrifuge rotational speed measurement and detection device according to claim 4, characterized in that, Chute grooves (404) are formed at the corresponding positions of the two side surfaces of the adjusting seat (48) and the sliding paths of the sliding rods (49), and limiting springs (405) are connected to the inner side wall of the adjusting seat (48) and on one side surface of the sliding rods (49).

6. The centrifuge rotational speed measurement and detection device according to claim 2, characterized in that, Anti-slip rubber layers are arranged on one side surfaces of the three limiting blocks (13), the limiting blocks (13) are connected to the support blocks (11) through the adjusting screws (12), and screw holes are correspondingly formed on the outer surface of the support blocks (11) and the adjusting screws (12).

7. A centrifuge rotational speed measurement and detection device according to claim 5, characterized in that, The inner diameter dimension of the connection sleeve (45) is adapted to the outer diameter dimension of the connection head (42), the inner diameter dimension of the engaging groove (47) is adapted to the sliding path of the engaging block (46), the inner diameter dimension of the limiting groove (402) is adapted to the sliding path of the fixing column (403), and the inner diameter dimension of the chute groove (404) is adapted to the sliding path of the sliding rod (49).

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