CN219136730U - cell separator - Google Patents

Abstract

The utility model discloses a cell separator, which relates to the technical field of separators and comprises a separator body, wherein a working groove is formed in the separator body, the working groove is a cylinder, a servo motor is fixedly connected to the bottom of the working groove, a rotating rod is fixedly connected to the output end of the servo motor, a damping mechanism is arranged on the outer side of the rotating rod and is positioned right above the servo motor, a supporting disc is fixedly connected to the top end of the rotating rod, a mounting frame is fixedly connected to the top end of the supporting disc, and a plurality of supporting tubes are movably connected to the periphery of the mounting frame through threads in a rotating mode. According to the utility model, the sealing cover is moved downwards through the sealing cover mechanism until the sealing cover is clamped at the top end of the mounting frame, and the connecting frame is abutted downwards under the action of the limiting spring, so that the outer side wall of the limiting ring is tightly attached to the inner side wall of the mounting frame, and the pipe orifice of each tube is sealed, so that the tube cover of the test tube is prevented from being opened due to swing, and further the leakage of test tube solution is prevented.

Description

cell separator

technical field

The utility model relates to the technical field of separators, in particular to a cell separator.

Background technique

Blood cell separator is a medical device that processes whole blood and separates different blood components from whole blood according to different characteristics such as density and viscosity of different blood components, so as to collect part of the blood components as needed.

In the existing cell separator, the test tube containing the mixed solution is usually placed in a specific hosting, and then it is sealed to prevent the cell liquid in the test tube from splashing out. During centrifugation, vibration will cause the lid to be thrown up, which is not conducive to the normal operation of the centrifuge. In addition, if the centrifuge generates large vibrations during high-speed rotation, it is not conducive to the separation of the cell fluid in the test tube. Therefore, it is necessary to A cell separator solves the existing deficiencies.

Utility model content

Technical issues resolved

The purpose of the utility model is to provide a cell separator in order to make up for the deficiencies in the prior art.

Technical solutions

In order to achieve the above purpose, the utility model provides the following technical solutions: a cell separator, including a fuselage, a working tank is provided inside the fuselage, the working tank is in the shape of a cylinder, and the bottom of the working tank is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a rotating rod, the outer side of the rotating rod is provided with a cushioning mechanism, and the shock absorbing mechanism is located directly above the servo motor, and the top of the rotating rod is fixedly connected with a support plate, A mounting frame is fixedly connected to the top of the support plate, and several trusteeships are movably connected to the peripheral side of the mounting frame through screw rotation, and the trusteeships are distributed in a circular array, and a closing mechanism is movably connected to the top of the mounting frame.

As mentioned above, the damping mechanism includes a damping disc, a connecting block, a damping spring and a guide rod, and several connecting blocks are fixedly connected to the outer peripheral side of the damping disc, and the number of the guide rods is consistent with the number of the connecting blocks , the guide rod runs through the connecting block, and the guide rod is movably connected with the connecting block, and the upper and lower ends of the connecting block are provided with damping springs, and the damping springs are sleeved on the outside of the guiding rod.

As mentioned above, there are several shock absorbing grooves inside the working groove, the number of the shock absorbing grooves is consistent with the number of connecting blocks, the guide rods are all fixedly connected to the inside of the shock absorbing grooves, and the shock absorbing springs One end is fixedly connected to one side of the connecting block, and the other end of the damping spring is fixedly connected to the inside of the working groove. The rotating rod runs through the center of the damping disc, and the rotating rod is movably connected to the damping disc through a bearing.

As mentioned above, the closure mechanism includes a cover, a connecting frame, a limit spring and a limit ring. The limit springs are several and distributed in a circular array, and the top ends of the limit springs are all fixedly connected to the cover. bottom end, and the bottom end of the limit spring is fixedly connected to the top of the connecting frame, the outer peripheral side of the connecting frame is fixedly connected to the inner side wall of the limit ring, and the outer side wall of the limit ring is close to the inner wall of the installation frame , the bottom end of the cover is engaged with the top end of the installation frame.

As mentioned above, the inner sides of the limiting springs are all provided with limiting posts, and the top ends of the limiting posts are fixedly connected to the bottom ends of the cover, and the bottom ends of the limiting posts are in conflict with the top ends of the connecting frame.

As mentioned above, the center of the top end of the support plate is movably connected to the locking rod through threaded rotation, the locking rod runs through the center of the connecting frame, and the locking rod is movably connected to the connecting frame.

As mentioned above, the center of the cover is provided with a through groove, the top end of the locking rod penetrates through the through groove, and the top end of the locking rod is fixedly connected with a knob, and the knob is matched with the through groove.

Beneficial effect:

Compared with the prior art, the cell separator has the following beneficial effects:

1. Through the damping mechanism provided in the utility model, when the mixed liquid in the test tube is centrifuged at high speed, the vibration of the rotating rod is transmitted to the damping plate, and under the action of the damping spring, the vibration of the damping plate is absorbed to avoid The vibration of the installation frame causes the vibration of the test tube inside the hosting, thus ensuring the normal separation of the mixed liquid.

2. The utility model moves the cover downward through the set cover mechanism until it is engaged with the top of the installation frame. The wall is tightly attached to the inner side wall of the installation frame to seal the mouth of each managed tube, preventing the cap of the test tube from being opened due to swinging, thereby preventing the solution from leaking out of the test tube.

Other advantages, objectives and features of the present utility model will be set forth in the following specification to some extent, and to some extent, will be obvious to those skilled in the art based on the investigation and research below, or can be Get teaching from the practice of the utility model.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the structure schematic diagram of the cushioning mechanism of the present invention and its connector;

Fig. 3 is a schematic structural view of the closure mechanism of the present invention and its connectors;

Fig. 4 is a schematic diagram of an enlarged structure at A in Fig. 1 of the present utility model.

In the figure: 1, fuselage; 2, working tank; 3, servo motor; 4, rotating rod; 5, damping mechanism; 501, damping disc; 502, connection block; 503, damping spring; 504, guide rod ; 6, support plate; 7, installation frame; 8, trusteeship; 9, closing mechanism; 901, cover; 902, connecting frame; 903, limit spring; 904, limit ring; 10, cushioning groove; 11, Limiting column; 12, locking rod; 13, through groove; 14, knob.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Example 1:

As shown in Figures 1-4, the utility model provides a technical solution: a cell separator, including a fuselage 1, a working tank 2 is provided inside the fuselage 1, the working tank 2 is a cylinder, and the bottom of the working tank 2 is fixed A servomotor 3 is connected, and the output end of the servomotor 3 is fixedly connected with a rotating rod 4. The outer side of the rotating rod 4 is provided with a shock absorbing mechanism 5, and the shock absorbing mechanism 5 is located directly above the servo motor 3. The top end of the rotating rod 4 is fixed Connected with a support plate 6, the top of the support plate 6 is fixedly connected with an installation frame 7, and the peripheral side of the installation frame 7 is movably connected with several trusteeships 8 through screw rotation, and the trusteeship 8 is distributed in a circular array, and the top of the installation frame 7 is movably connected with Closing mechanism9.

In this embodiment, first, the test tube with the mixed solution is placed inside the hosting 8, and then the installation frame 7 is closed by the closing mechanism 9, so as to ensure the high-speed centrifugation of the test tube and prevent the cap of the test tube from being opened due to shaking , and then prevent the test tube solution from leaking out. In addition, the servo motor 3 is started to drive the rotating rod 4 to rotate, thereby realizing the high-speed centrifugation of the installation frame 7.

Example 2:

As shown in Figures 1-3, the damping mechanism 5 includes a damping disc 501, a connecting block 502, a damping spring 503 and a guide rod 504, and the outer peripheral side of the damping disc 501 is fixedly connected with several connecting blocks 502, and the guide rod 504 The quantity is consistent with the quantity of the connection block 502, the guide rod 504 runs through the connection block 502, and the guide rod 504 is movably connected with the connection block 502, the upper and lower ends of the connection block 502 are provided with cushioning springs 503, and the cushioning springs 503 are evenly set Located on the outside of the guide rod 504, several cushioning grooves 10 are provided inside the working tank 2. The number of the cushioning grooves 10 is consistent with the number of the connecting blocks 502. The guide rods 504 are all fixedly connected to the inside of the cushioning grooves 10. One end of the shock spring 503 is fixedly connected to one side of the connecting block 502, and the other end of the shock spring 503 is fixedly connected to the inside of the working tank 2, the rotating rod 4 runs through the center of the buffer disc 501, and the rotating rod 4 passes through the bearing It is movably connected with the cushioning disc 501.

In this embodiment, when the mixed liquid in the test tube is centrifuged at high speed, the vibration of the rotating rod 4 is transmitted to the shock absorbing plate 501, and under the action of the shock absorbing spring 503, the vibration of the shock absorbing plate 501 is absorbed to avoid the vibration of the mounting frame 7. The vibration causes the vibration of the test tube inside the hosting 8, thereby ensuring the normal separation of the mixed liquid.

Example 3:

As shown in Figures 1 and 3, the closing mechanism 9 includes a cover 901, a connecting frame 902, a limit spring 903 and a limit ring 904, the limit springs 903 are several and distributed in a circular array, and the top of the limit spring 903 Both are fixedly connected to the bottom end of the cover 901, and the bottom end of the limit spring 903 is fixedly connected to the top end of the connecting frame 902, and the outer peripheral side of the connecting frame 902 is fixedly connected to the inner side wall of the limit ring 904, and the limit ring 904 The outer sidewall of the cover 901 is closely attached to the inner sidewall of the installation frame 7, the bottom end of the cover 901 is engaged with the top end of the installation frame 7, and the inner side of the limit spring 903 is provided with a limit post 11, and the top ends of the limit post 11 are all fixedly connected. The bottom end of the cover 901 and the bottom end of the limiting post 11 are in conflict with the top end of the connecting frame 902 .

In this embodiment, the cover 901 is moved downward until it engages with the top of the installation frame 7, and under the action of the limit spring 903, the connecting frame 902 is pushed downward, thereby tightening the outer wall of the limit ring 904. Attached to the inner sidewall of the mounting frame 7 to seal the mouth of each trusteeship 8 to prevent the cap of the test tube from being opened due to swinging, thereby preventing the test tube solution from leaking out.

Example 4:

As shown in Figures 1 and 3, the center of the top of the support plate 6 is movably connected with a locking rod 12 through threaded rotation, the locking rod 12 runs through the center of the connecting frame 902, and the locking rod 12 is movably connected with the connecting frame 902 , The center of the cover 901 is provided with a through groove 13, the top of the locking rod 12 runs through the through groove 13, and the top of the locking rod 12 is fixedly connected with a knob 14, and the knob 14 is matched with the through groove 13.

Pass the locking rod 12 through the through groove 13 and the center of the connecting frame 902 in sequence, and rotate the knob 14 so that the bottom end of the locking rod 12 is screwed into the top of the support plate 6, thereby using the knob 14 to press the cover 901 on the Install the top of the frame 7 to prevent the cover 901 from flying out during high-speed rotation.

Working principle: When in use, first place the test tube with the mixed solution inside the tube 8, then move the cover 901 downward until it is engaged with the top of the installation frame 7, and under the action of the limit spring 903, the The connecting frame 902 interferes downwards, so that the outer side wall of the limiting ring 904 is closely attached to the inner side wall of the installation frame 7, so as to seal the nozzle of each hosting 8, so as to prevent the test tube from being thrown out during the centrifugation process. Then the locking rod 12 passes through the center of the through groove 13 and the connecting frame 902 in sequence, and the knob 14 is rotated so that the bottom end of the locking rod 12 is screwed into the top of the support disc 6, thereby using the knob 14 to press the cover 901 At the top of the installation frame 7, start the servo motor 3 to drive the rotation rod 4 to rotate, thereby driving the support plate 6 to rotate, so as to realize the high-speed rotation of the installation frame 7. When the mixed solution in the test tube is centrifuged at high speed, the rotation rod 4 The vibration of the damping plate 501 is transmitted to the damping plate 501, and under the action of the damping spring 503, the vibration of the damping plate 501 is absorbed.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate directions Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operation, and therefore cannot be construed as limiting the present utility model; the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be construed as indicating or implying relative importance. In addition, unless otherwise expressly The terms "fixed", "installed", "connected" and "connected" should be understood in a broad sense, for example, "installed" can be a fixed connection, a detachable connection, or an integrated connection; " "Connection" can be mechanical connection or electrical connection; "connection" can be direct connection, indirect connection through an intermediary, or internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

1. cell separator, comprising a fuselage (1), characterized in that: the inside of the fuselage (1) is provided with a working tank (2), the working tank (2) is a cylinder, and the working tank ( The bottom of 2) is fixedly connected with a servo motor (3), the output end of the servo motor (3) is fixedly connected with a rotating rod (4), and the outer side of the rotating rod (4) is provided with a cushioning mechanism (5), And the damping mechanism (5) is positioned directly above the servo motor (3), the top of the rotating rod (4) is fixedly connected with a support plate (6), and the top end of the support plate (6) is fixedly connected with a mounting frame ( 7), the peripheral side of the installation frame (7) is movably connected with several custodians (8) through screw rotation, the custodians (8) are distributed in a circular array, and the top of the installation frame (7) is movably connected with a closed institutions (9). 2. The cell separator according to claim 1, characterized in that: the cushioning mechanism (5) comprises a cushioning disc (501), a connecting block (502), a cushioning spring (503) and a guide rod (504 ), the outer peripheral side of the shock absorber (501) is fixedly connected with several connecting blocks (502), the number of the guide rods (504) is consistent with the number of the connecting blocks (502), and the guide rods (504) run through The connecting block (502), and the guide rod (504) is movably connected with the connecting block (502), and the upper and lower ends of the connecting block (502) are provided with damping springs (503), and the damping springs (503) are Sleeve on the outside of the guide rod (504). 3. The cell separator according to claim 2, characterized in that: several cushioning grooves (10) are provided inside the working groove (2), and the number of the cushioning grooves (10) and the connecting block ( 502) in the same quantity, the guide rods (504) are all fixedly connected to the inside of the cushioning groove (10), one end of the cushioning spring (503) is fixedly connected to one side of the connecting block (502), and the The other end of the shock spring (503) is fixedly connected to the inside of the working groove (2), and the rotating rod (4) runs through the center of the damping disc (501), and the rotating rod (4) passes through the bearing and the damping disc ( 501) Active connection. 4. The cell separator according to claim 3, characterized in that: the closing mechanism (9) includes a cover (901), a connecting frame (902), a limit spring (903) and a limit ring (904) , the limit springs (903) are several and distributed in a circular array, the top ends of the limit springs (903) are fixedly connected to the bottom end of the cover (901), and the bottom ends of the limit springs (903) The end is fixedly connected to the top of the connecting frame (902), the outer peripheral side of the connecting frame (902) is fixedly connected to the inner side wall of the limiting ring (904), and the outer side wall of the limiting ring (904) is close to the installation frame (7), the bottom end of the cover (901) is engaged with the top end of the installation frame (7). 5. The cell separator according to claim 4, characterized in that: the inside of the limit spring (903) is provided with limit posts (11), and the top ends of the limit posts (11) are all fixedly connected to The bottom end of the cover (901) and the bottom end of the limiting column (11) are in conflict with the top end of the connecting frame (902). 6. The cell separator according to claim 5, characterized in that: the center of the top of the support plate (6) is movably connected with a locking rod (12) through threaded rotation, and the locking rod (12) runs through The center of the connecting frame (902), and the locking rod (12) is movably connected with the connecting frame (902). 7. The cell separator according to claim 6, characterized in that: a through groove (13) is opened at the center of the cover (901), and the top end of the locking rod (12) passes through the through groove (13). ), and the top of the locking rod (12) is fixedly connected with a knob (14), and the knob (14) is adapted to the through groove (13).

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