CN217190231U

CN217190231U - Angle rotor low-temperature sleeve

Info

Publication number: CN217190231U
Application number: CN202123360416.9U
Authority: CN
Inventors: 翟跃中
Original assignee: Hainan Youjiu Medical Instrument Co ltd
Current assignee: Shanghai Jufenghui Health Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-16
Anticipated expiration: 2031-12-28
Also published as: WO2023124689A1

Abstract

The utility model discloses a rotor angle low temperature sleeve pipe, concretely relates to centrifugation technical field, including lower barrel, the bottom of barrel is interior concave to form concave ring portion down, and the top inboard of barrel installs the barrel down, the bottom setting of going up the barrel is in the top position department of concave ring portion, and is provided with the through-hole in the middle part of going up the barrel along vertical direction, the top of through-hole is connected with the apron, the top of apron is provided with the anti-drop subassembly, the section of thick bamboo wall of going up the barrel is hollow structure, and this hollow structure's inside is provided with the coolant liquid. The utility model discloses be convenient for at the biological material centrifugation extraction in-process, for guaranteeing the purity of extract product, prevent biological pollution, prevent the too early reaction of biological enzyme of extract product self, and the rotor adapter who keeps being in the environment below the zero degree by centrifugal material of design, the internal seal of last barrel pours into by the frozen liquid in this adapter, has guaranteed to be in the state below the zero degree by the extract product for a long time in the inside of syringe.

Description

Angle rotor low temperature sleeve

Technical Field

The utility model relates to a centrifugation technical field, more specifically says, the utility model relates to a corner rotor low temperature sleeve pipe.

Background

In order to ensure the purity of the extract and prevent biological pollution and the early reaction of biological enzymes of the extract during the centrifugal extraction of the biological substances, a rotor adapter, namely a low-temperature sleeve, for keeping the centrifuged substances in an environment below zero needs to be designed.

The existing angle rotor low-temperature sleeve has poor structural design, can not effectively enable the extracted matter to be in a state below zero degree in the injector for a long time, and has poor storage effect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides an angle rotor cryogenic cannula, be convenient for in the biological material centrifugation extraction process, for guaranteeing the purity of extract product, prevent biological pollution, prevent the too early reaction of biological enzyme of extract product self, and the rotor adapter of the below-zero environment of keeping by centrifugal material of design, the frozen liquid pours into at the inside seal of last barrel in this adapter, guaranteed to be in the below-zero state for a long time by the extract product in the inside of syringe, in order to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an angle rotor low temperature sleeve pipe, includes barrel down, the bottom indent of barrel forms concave ring portion down, and the top inboard of barrel installs the barrel down, the bottom of going up the barrel sets up in the top position department of concave ring portion, and the middle part of going up the barrel is provided with the through-hole along vertical direction, the top of through-hole is connected with the apron, the top of apron is provided with the anti-drop subassembly, the section of thick bamboo wall of going up the barrel is hollow structure, and this hollow structure's inside is provided with the coolant liquid, the inboard of through-hole is provided with the syringe barrel, the bottom inboard of syringe barrel is connected with the syringe plunger rod, the tip of syringe plunger rod extends to the inner chamber bottom of barrel down, the bottom edge of syringe barrel is provided with the limiting plate.

In a preferred embodiment, the bottom of the cover plate is provided with an external thread ring at the inner side of the through hole, the inner wall of the top of the through hole is provided with an internal thread corresponding to the outside of the external thread ring, and the external thread ring is in threaded connection with the inner wall of the through hole.

In a preferred embodiment, the anti-drop subassembly is including setting up the rotation post at apron top center, the top outside of rotation post is connected with the fixing base, the top of fixing base is connected with the connecting band, the one end of connecting band is located the top edge of barrel down and is connected with the fixed block.

In a preferred embodiment, the top end of the rotating column is connected with a limiting block inside the fixed seat, and a rotating groove is formed inside the fixed seat and corresponds to the outside of the limiting block.

In a preferred embodiment, the rotating column is fixed to the top end of the cover plate through hot melt adhesive bonding, and the fixed seat is fixed to the bottom of the connecting band through hot melt adhesive bonding.

In a preferred embodiment, the fixing block is fixedly bonded with the top end of the lower barrel through hot melt adhesive, and the end of the connecting belt is rotatably connected with the fixing block through a rotating shaft.

In a preferred embodiment, the cross-sectional outer diameter of the limit plate is larger than the cross-sectional inner diameter of the through hole.

The utility model has the advantages that:

the utility model has the advantages that in the centrifugal extraction process of biological substances, in order to ensure the purity of the extract, prevent biological pollution and prevent the biological enzyme of the extract from reacting too early, the rotor adapter which keeps the centrifuged substances in the environment below zero is designed, the diameter length of the through hole in the upper cylinder of the adapter is designed according to the actual situation to meet the requirement of installing syringes with different capacities, refrigerating fluid is injected in the upper cylinder in a sealing way, the condition that the extracted substance is below zero degree in the syringe for a long time is ensured, meanwhile, the top of the through hole for being installed in the syringe cylinder is in threaded connection with a cover plate, the top of this apron is provided with anti-drop subassembly, is convenient for need not to place separately after the apron is dismantled, has kept the wholeness between apron and the lower barrel, has avoided the problem of droing after the apron is dismantled, and does not influence the rotation of apron and connect and dismantle.

Drawings

Fig. 1 is a whole sectional view of the injector of the present invention after installation.

Fig. 2 is a cross-sectional view of the injector of the present invention after it is removed.

Fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 4 is a schematic structural view of the anti-falling off assembly of the present invention.

Fig. 5 is a cross-sectional view of the joint between the middle rotating column and the fixing base of the present invention.

The reference signs are: 1. a lower cylinder body; 2. a recessed ring portion; 3. an upper cylinder body; 4. a through hole; 5. a cover plate; 6. cooling liquid; 7. an externally threaded ring; 8. rotating the column; 9. a fixed seat; 10. a connecting belt; 11. a fixed block; 12. a syringe barrel; 13. a syringe plunger rod; 14. a limiting plate; 81. a limiting block; 91. the groove is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The angle rotor low-temperature sleeve shown in the attached figures 1-5 comprises a lower barrel body 1, a concave ring part 2 is formed in the bottom of the lower barrel body 1 in a concave mode, an upper barrel body 3 is installed on the inner side of the top of the lower barrel body 1, the bottom of the upper barrel body 3 is arranged at the position above the concave ring part 2, a through hole 4 is formed in the middle of the upper barrel body 3 in the vertical direction, a cover plate 5 is connected to the top end of the through hole 4, an anti-falling assembly is arranged at the top of the cover plate 5, the barrel wall of the upper barrel body 3 is of a hollow structure, cooling liquid 6 is arranged inside the hollow structure, a syringe barrel body 12 is arranged on the inner side of the through hole 4, a syringe plunger rod 13 is connected to the inner side of the bottom of the syringe barrel body 12, the end of the syringe plunger rod 13 extends to the bottom of an inner cavity of the lower barrel body 1, and a limiting plate 14 is arranged at the bottom end edge of the syringe barrel body 12.

As shown in fig. 1-4, an external thread ring 7 is disposed on the inner side of the through hole 4 at the bottom of the cover plate 5, an internal thread is disposed on the inner wall of the top of the through hole 4 corresponding to the external thread ring 7, and the external thread ring 7 is connected with the inner wall of the through hole 4 through a thread, so that the cover plate 5 can be conveniently connected and detached.

As shown in fig. 1-5, the anti-drop assembly includes a rotating column 8 disposed at the center of the top of the cover plate 5, a fixing seat 9 is connected to the outer side of the top of the rotating column 8, a connecting band 10 is connected to the top end of the fixing seat 9, and one end of the connecting band 10 is located at the edge of the top end of the lower cylinder 1 and is connected to a fixing block 11, so that the cover plate 5 is not required to be separately placed after being detached, the integrity between the cover plate 5 and the lower cylinder 1 is maintained, and the problem of dropping of the cover plate 5 after being detached is avoided.

As shown in the attached drawing 5, the top end of the rotating column 8 is located inside the fixing seat 9 and is connected with the limiting block 81, the inside of the fixing seat 9 corresponding to the limiting block 81 is provided with a rotating groove 91, and when the cover plate 5 is ensured to rotate in the using process, the limiting block 81 can stably rotate inside the rotating groove 91.

As shown in fig. 1-4, the rotating post 8 is fixed to the top end of the cover plate 5 by hot melt adhesive, and the fixing base 9 is fixed to the bottom of the connecting band 10 by hot melt adhesive, so that the rotating post 8 and the fixing base 10 can be connected and fixed conveniently.

As shown in fig. 1-2, the fixing block 11 is fixedly bonded to the top end of the lower barrel 1 by hot melt adhesive, and the end of the connecting band 10 is rotatably connected to the fixing block 11 by a rotating shaft, so that the fixing block 11 is conveniently connected and fixed, and the connecting band 10 drives the cover plate 5 to turn over after the cover plate 5 is conveniently detached.

As shown in the attached drawing 1, the outer diameter of the cross section of the limiting plate 14 is larger than the inner diameter of the cross section of the through hole 4, so that the bottom of the syringe barrel 12 can be limited conveniently, and the syringe is prevented from being integrally arranged in the through hole 4 in the placing process.

The working principle is as follows: the utility model designs an angle rotor low temperature sleeve, the concrete structure is shown in the attached figure 1-5, the technical scheme lies in that in the process of centrifugal extraction of biological substances, in order to ensure the purity of the extract, prevent biological pollution and prevent the biological enzyme of the extract from reacting too early, the designed rotor adapter keeps the centrifuged substance in the environment below zero, the diameter length of a through hole 4 in an upper cylinder 3 in the adapter is designed according to the actual situation to meet the requirement of installing injectors with different capacities, freezing liquid 6 is injected in the upper cylinder 3 in a sealing way to ensure that the extracted substance is in the state below zero in the injectors for a long time, meanwhile, the top of the through hole 4 for installing an injector cylinder 12 is connected with a cover plate 5 by screw threads, the top of the cover plate 5 is provided with an anti-drop component, which is convenient for being placed additionally after the cover plate 5 is disassembled, the cover plate 5 and the lower barrel 1 are kept integral, the problem that the cover plate 5 falls off after being detached is avoided, and the rotating connection and detachment of the cover plate 5 are not influenced.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an angle rotor cryogenic cannula, includes barrel (1) down, its characterized in that: the bottom of the lower cylinder body (1) is recessed inwards to form a concave ring part (2), an upper cylinder body (3) is arranged on the inner side of the top of the lower cylinder body (1), the bottom of the upper cylinder (3) is arranged above the concave ring part (2), a through hole (4) is arranged in the middle of the upper barrel (3) along the vertical direction, the top end of the through hole (4) is connected with a cover plate (5), the top of the cover plate (5) is provided with an anti-drop component, the cylinder wall of the upper cylinder body (3) is of a hollow structure, the interior of the hollow structure is provided with cooling liquid (6), the inner side of the through hole (4) is provided with an injector cylinder body (12), the inner side of the bottom of the syringe cylinder (12) is connected with a syringe plunger rod (13), the end part of the syringe plunger rod (13) extends to the bottom of the inner cavity of the lower cylinder body (1), and a limiting plate (14) is arranged at the bottom end edge of the syringe barrel (12).

2. The cryogenic angular rotor bushing of claim 1, wherein: the bottom of apron (5) is located the inboard of through-hole (4) and is provided with external screw thread ring (7), the outside that the top inner wall of through-hole (4) corresponds external screw thread ring (7) is provided with the internal thread, pass through threaded connection between the inner wall of external screw thread ring (7) and through-hole (4).

3. The cryogenic angular rotor bushing of claim 1, wherein: anti-drop subassembly is including setting up rotation post (8) at apron (5) top center, the top outside of rotating post (8) is connected with fixing base (9), the top of fixing base (9) is connected with connecting band (10), the top edge that the one end of connecting band (10) is located barrel (1) down is connected with fixed block (11).

4. The cryogenic bushing for an angular rotor according to claim 3, characterized in that: the top of rotating post (8) is located the internally connected with stopper (81) of fixing base (9), the inside of fixing base (9) is provided with rotation groove (91) corresponding to the outside of stopper (81).

5. The cryogenic bushing of claim 3, wherein: rotate between the top of post (8) and apron (5) and bond fixedly through the hot melt adhesive, bond fixedly through the hot melt adhesive between the bottom of fixing base (9) and connecting band (10).

6. The cryogenic bushing of claim 3, wherein: fixed block (11) bond fixedly through the hot melt adhesive between the top of lower barrel (1), rotate through the pivot between tip and the fixed block (11) of connecting band (10) and be connected.

7. The cryogenic angular rotor bushing of claim 1, wherein: the cross section outer diameter of the limiting plate (14) is larger than the cross section inner diameter of the through hole (4).