CN217527852U

CN217527852U - Nitrogen protection type centrifuge

Info

Publication number: CN217527852U
Application number: CN202220981578.XU
Authority: CN
Inventors: 周赛冬; 黄炼强
Original assignee: Hengyang Xiaoju Pharmaceutical Co ltd
Current assignee: Hengyang Xiaoju Pharmaceutical Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-04
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a nitrogen protection type centrifuge, which comprises an outer cover, wherein a centrifuge tube is arranged in the outer cover, and a separating piece is arranged in the centrifuge tube; the separating piece comprises a storage barrel arranged at the bottom of the inner wall of the centrifugal pipe, a ring hook is fixed at the top of the storage barrel, the section of the ring hook is in an inverted L shape, a linkage ring is arranged above the storage barrel, a linking groove is formed in the inner side of the linkage ring, the ring hook is positioned in the linking groove, and a space for the linkage ring to vertically move is reserved between the ring hook and the bottom of the linking groove; a lifting piece is arranged above the linkage ring; solid-liquid can separately collect, need not artifical manual liquid of empting, effectively avoid leaking or empting excessively because of what artifical error arouses.

Description

Nitrogen protection type centrifugal machine

Technical Field

The utility model relates to a centrifuge technical field, concretely relates to nitrogen protection formula centrifuge.

Background

The centrifugal machine is a machine for separating a solid-liquid mixture by using centrifugal force of high-speed rotation; after the centrifugation is finished, a common centrifuge generally places solid coagulates at the bottom of a centrifuge tube and places liquid coagulates above the solid coagulates, and the centrifuge tube needs to be taken out when fetching the solid coagulates, and then the liquid coagulates are poured out along the tube wall; in the mode, when the liquid is poured out, a worker needs to operate carefully, the liquid needs to be prevented from leaking, and meanwhile, the situation that the solid flows out along with the liquid when the liquid is poured out is avoided, and the influence of manual uncertainty is large.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a nitrogen protection type centrifuge, which comprises an outer cover, wherein a centrifuge tube is arranged in the outer cover, and a separating piece is arranged in the centrifuge tube; the separating piece comprises a storage barrel arranged at the bottom of the inner wall of the centrifugal pipe, a ring hook is fixed at the top of the storage barrel, the section of the ring hook is in an inverted L shape, a linkage ring is arranged above the storage barrel, a linking groove is formed in the inner side of the linkage ring, the ring hook is positioned in the linking groove, and a space for the linkage ring to vertically move is reserved between the ring hook and the bottom of the linking groove; a lifting piece is arranged above the linkage ring.

Furthermore, a servo motor is arranged below the centrifugal tube inside the outer cover, the output end of the servo motor is connected with the bottom of the centrifugal tube, a connecting block is fixed at the bottom of the storage cylinder, and the connecting block is inserted at the bottom of the inner wall of the centrifugal tube; a connecting strip is fixed on the outer side surface of the linkage ring, and an inserting groove for the connecting strip to move up and down is formed in the inner wall of the centrifugal tube; a plurality of liquid outlet holes A are formed in the outer wall of the annular hook, and a plurality of liquid outlet holes B are formed in the outer wall of the centrifugal tube.

Further, promote the piece including setting up in the footstock of dustcoat top, linear actuator is installed to the bottom of footstock, and linear actuator's flexible end is fixed with the accessory plate, and the top of link ring is fixed with the extension rod, and in the extension rod extended to the accessory plate, the top of extension rod was fixed with the disc, has seted up in the accessory plate and has supplied disc pivoted circular slot.

Furthermore, the top of the outer cover is provided with an outlet for the separating element to move out, and the outer side of the extension rod is fixed with a sealing plate capable of sealing the outlet.

Further, a gas pipe is arranged to be communicated with the inside of the outer cover, the other end of the gas pipe is connected with a nitrogen bottle, and the outer side of the gas pipe is connected with a one-way valve.

Furthermore, a liquid outlet hole C is formed in the bottom of the outer cover, a flow guide ring is arranged on the outer side of the liquid outlet hole C, and the top of the flow guide ring inclines towards the direction of the liquid outlet hole C.

Furthermore, a protective cover is arranged on the outer side face of the servo motor, and rock wool is arranged between the servo motor and the protective cover.

The utility model discloses beneficial effect as follows: through the cooperation of parts such as centrifuging tube, a storing section of thick bamboo, ring hook and linkage ring, realize the switching of two states of centrifugation and ejection of compact for solid-liquid can separately collect, need not artifical manual liquid of empting, effectively avoid leaking or empting excessively because of what artifical error arouses, promote centrifugal convenience.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic view of the inner structure of the cartridge and the link ring of fig. 1.

The reference numerals are explained below: 1. a housing; 2. centrifuging the tube; 301. a storage cylinder; 302. a loop hook; 303. a link ring; 304. a joining groove; 401. a top seat; 402. a linear actuator; 403. an auxiliary plate; 404. an extension rod; 405. a disc; 5. a servo motor; 6. connecting blocks; 7. a tie bar; 801. a liquid outlet A; 802. a liquid outlet hole B; 803. a liquid outlet hole C; 9. closing the plate; 10. a gas delivery pipe; 11. a one-way valve; 12. a flow guide ring; 13. a protective cover; 14. rock mineral wool.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention will be further explained with reference to the drawings in the following description:

example 1:

as shown in fig. 1 and fig. 2, a nitrogen protection type centrifuge comprises an outer cover 1, a centrifuge tube 2 is arranged in the outer cover 1, a servo motor 5 is arranged in the outer cover 1 and below the centrifuge tube 2, the output end of the servo motor 5 is connected with the bottom of the centrifuge tube 2, a protective cover 13 is arranged on the outer side surface of the servo motor 5, and rock wool 14 is arranged between the servo motor 5 and the protective cover 13; can drive centrifuging tube 2 through starting servo motor 5 and rotate, and then carry out the centrifugation to the solid-liquid mixture in centrifuging tube 2.

A separating piece is arranged in the centrifuge tube 2, the separating piece comprises a storage barrel 301 arranged at the bottom of the inner wall of the centrifuge tube 2, and a linkage ring 303 is arranged above the storage barrel 301; during centrifugation, the solid-liquid mixture is in a space formed by the storage cylinder 301 and the linkage ring 303, the connecting block 6 is fixed at the bottom of the storage cylinder 301, the connecting block 6 is inserted at the bottom of the inner wall of the centrifuge tube 2, and when the centrifuge tube 2 rotates, the storage cylinder 301 rotates along with the centrifuge tube; the outer side surface of the linkage ring 303 is fixed with a connecting strip 7, and the inner wall of the centrifugal tube 2 is provided with an insertion groove for the connecting strip 7 to move up and down; when the cartridge 301 is rotated, the link ring 303 rotates along with it due to the presence of the connecting bar 7.

A ring hook 302 is fixed at the top of the storage barrel 301, the section of the ring hook 302 is in an inverted L shape, an engagement groove 304 is formed in the inner side of the linkage ring 303, the ring hook 302 is positioned in the engagement groove 304, and a space for the linkage ring 303 to move vertically is reserved between the ring hook 302 and the bottom of the engagement groove 304; the outer wall of the ring hook 302 is provided with a plurality of liquid outlet holes A801, and the outer wall of the centrifugal tube 2 is provided with a plurality of liquid outlet holes B802; after centrifugation is completed, the linkage ring 303 is lifted upwards, the linkage ring 303 moves in the linking groove 304, the ring hook 302 and the storage cylinder 301 cannot move, the servo motor 5 is started again, liquid can flow out of the centrifuge tube 2 through the liquid outlet hole A801 and the liquid outlet hole B802, solids are left in the storage cylinder 301, and when the linkage ring 303 is lifted again, the linkage ring 303 drives the ring hook 302 to drive the storage cylinder 301 to lift the storage cylinder from the outer cover 1.

A liquid outlet hole C803 is formed in the bottom of the outer cover 1, a guide ring 12 is arranged on the outer side of the liquid outlet hole C803, and the top of the guide ring 12 inclines towards the direction of the liquid outlet hole C803; the liquid separated from the centrifuge tube 2 flows out of the outer cover 1 through the liquid outlet hole C803, and can be collected at the moment.

Example 2:

on the basis of the above embodiment 1, as shown in fig. 1, a lifting member is arranged above the linkage ring 303, the lifting member includes a top seat 401 arranged above the housing 1, a linear driver 402 is installed at the bottom of the top seat 401, an auxiliary plate 403 is fixed at a telescopic end of the linear driver 402, an extension rod 404 is fixed at the top of the linkage ring 303, the extension rod 404 extends into the auxiliary plate 403, a disc 405 is fixed at the top of the extension rod 404, and a circular groove for the disc 405 to rotate is formed in the auxiliary plate 403; the linkage ring 303 is lifted by actuating the linear drive 402, and the disc 405 rotates in the circular groove during centrifugation.

An outlet for moving out the separating piece is formed in the top of the outer cover 1, and a sealing plate 9 capable of sealing the outlet is fixed on the outer side of the extension rod 404; during centrifugation, the closing plate 9 seals the outlet of the housing 1, and when the linear actuator 402 is activated, the closing plate 9 opens the opening for the link ring 303 to be detached from the housing 1.

Example 3:

as shown in fig. 1, a gas pipe 10 is arranged to be communicated with the inside of the outer cover 1, the other end of the gas pipe 10 is connected with a nitrogen cylinder, and the outer side of the gas pipe 10 is connected with a one-way valve 11; the whole centrifuge is maintained by selecting nitrogen, and the nitrogen is filled into the outer cover 1 to replace the air in the outer cover 1, so that the oxygen concentration is maintained within a safe scale, and the safety of the whole centrifuge in operation is ensured.

The utility model discloses the theory of operation as follows:

during centrifugation, the solid-liquid mixture is in the space formed by the storage cylinder 301 and the linkage ring 303, the centrifugal tube 2 is driven to rotate by starting the servo motor 5, the storage cylinder 301, the linkage ring 302 and the linkage ring 303 rotate together when the centrifugal tube 2 rotates by utilizing the matching of the connecting block 6, the connecting strip 7 and the linkage ring 302, the centrifugation of the solid-liquid mixture is realized under high-speed rotation, after the centrifugation is finished, the solid substance is positioned on the bottom wall of the storage cylinder 301, and the liquid substance is suspended above the solid substance.

During discharging, the linear driver 402 is started to drive the auxiliary plate 403, the extension rod 404 and the linkage ring 303 to ascend, the linkage ring 303 moves in the linking groove 304, the ring hook 302 and the storage cylinder 301 cannot move along with the linkage ring, the servo motor 5 is started to drive the centrifuge tube 2, the storage cylinder 301, the ring hook 302 and the linkage ring 303 to rotate, so that liquid flows out of the centrifuge tube 2 through the liquid outlet hole A801 and the liquid outlet hole B802, then flows out of the outer cover 1 through the liquid outlet hole C803, liquid substances can be collected, and solid substances are stored in the inner wall of the storage cylinder 301; at the moment, the linear driver 402 is started again to drive the linkage ring 303 to move upwards, when the bottom of the connecting groove 304 of the linkage ring 303 moves to the upper end of the ring hook 302, the linkage ring 303 can drive the ring hook 302 and the storage barrel 301 to move upwards, the storage barrel 301 is lifted away from the outer cover 1, and at the moment, solid substances in the storage barrel can be collected; realize the part collection of solid-liquid, need not artifical manual liquid of empting, effectively avoid leaking or empting excessively because of what artifical error arouses, promote centrifugal convenience.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a nitrogen protection formula centrifuge, includes dustcoat (1), be provided with centrifuging tube (2), its characterized in that in dustcoat (1): a separating piece is arranged in the centrifuge tube (2); the separating piece comprises a storage barrel (301) arranged at the bottom of the inner wall of the centrifuge tube (2), a ring hook (302) is fixed at the top of the storage barrel (301), the cross section of the ring hook (302) is in an inverted L shape, a linkage ring (303) is arranged above the storage barrel (301), a linking groove (304) is formed in the inner side of the linkage ring (303), the ring hook (302) is located in the linking groove (304), and a space for the linkage ring (303) to move vertically is reserved between the ring hook (302) and the bottom of the linking groove (304); and a lifting piece is arranged above the linkage ring (303).

2. A nitrogen protected centrifuge as defined in claim 1, wherein: a servo motor (5) is arranged below the centrifugal tube (2) in the outer cover (1), the output end of the servo motor (5) is connected with the bottom of the centrifugal tube (2), a connecting block (6) is fixed at the bottom of the storage barrel (301), and the connecting block (6) is inserted at the bottom of the inner wall of the centrifugal tube (2); a connecting strip (7) is fixed on the outer side surface of the linkage ring (303), and an insertion groove for the connecting strip (7) to move up and down is formed in the inner wall of the centrifuge tube (2); a plurality of liquid outlet holes A (801) are formed in the outer wall of the ring hook (302), and a plurality of liquid outlet holes B (802) are formed in the outer wall of the centrifugal tube (2).

3. A nitrogen protected centrifuge as defined in claim 1, wherein: promote the piece including setting up footstock (401) in dustcoat (1) top, linear drive ware (402) are installed to the bottom of footstock (401), the flexible end of linear drive ware (402) is fixed with accessory plate (403), the top of linkage ring (303) is fixed with extension rod (404), extension rod (404) extend to in accessory plate (403), the top of extension rod (404) is fixed with disc (405), has seted up in accessory plate (403) and has supplied disc (405) pivoted circular slot.

4. A nitrogen protected centrifuge as defined in claim 3, wherein: an outlet for moving out the separating piece is formed in the top of the outer cover (1), and a sealing plate (9) capable of sealing the outlet is fixed on the outer side of the extension rod (404).

5. A nitrogen protected centrifuge as defined in claim 1, wherein: the gas transmission pipe (10) is communicated with the inside of the outer cover (1), the other end of the gas transmission pipe (10) is connected with a nitrogen bottle, and the outer side of the gas transmission pipe (10) is connected with a one-way valve (11).

6. A nitrogen protected centrifuge as defined in claim 2, wherein: liquid outlet holes C (803) are formed in the bottom of the outer cover (1), a flow guide ring (12) is arranged on the outer side of each liquid outlet hole C (803), and the top of each flow guide ring (12) inclines towards the direction of each liquid outlet hole C (803).

7. A nitrogen protected centrifuge as defined in claim 2, wherein: the lateral surface of servo motor (5) is provided with protection casing (13), be provided with rock mineral wool (14) between servo motor (5) and protection casing (13).