CN218339839U

CN218339839U - Centrifugal tube cap and centrifugal tube

Info

Publication number: CN218339839U
Application number: CN202222776489.4U
Authority: CN
Inventors: 崔旭东; 魏威
Original assignee: Shanghai Miaosheng Science And Trade Co ltd
Current assignee: Shanghai Miaosheng Science And Trade Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-01-20
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a centrifugation pipe cap and centrifuging tube relates to centrifuging tube technical field, including the centrifugation body, the pipe cap main part is installed on the top of centrifugation body, and the bottom of pipe cap main part is seted up flutedly, a screw thread section of thick bamboo is installed to the bottom of pipe cap main part, and the bottom of a screw thread section of thick bamboo extends to the inside of centrifugation body, one side on pipe cap main part top is provided with divides the liquid structure, the inside of pipe cap main part runs through there is the breather pipe, and the bottom of breather pipe extends to the inside of centrifugation body, a plurality of first air vents have been seted up to the breather pipe outer wall of pipe cap main part top. The utility model discloses a through setting up the second vent hole at the lateral wall of breather pipe to the outer wall that utilizes a movable section of thick bamboo carries out the shutoff to it, causes when invering the centrifuging tube, inside intraductal liquid can not irritate the breather pipe, the phenomenon of avoiding appearing leaking.

Description

Centrifugal tube cap and centrifugal tube

Technical Field

The utility model relates to a centrifugation pipe cap technical field specifically is a centrifugation pipe cap and centrifuging tube.

Background

The centrifugal tube is a device for containing materials when centrifugal operation is carried out in industrial production or experimental analysis, is generally cylindrical, and is sealed at the top by a centrifugal tube cap which is arranged in a threaded fit manner;

through retrieval, chinese patent grant publication No. CN205308368U, publication date 2016, 06, 15, discloses a centrifugal tube cap and centrifugal tube, which indicates that: the inner part or the end part of the vent pipe is provided with a gas one-way valve; further preferably, the gas one-way valve is two-piece valve, and the radius of the valve is larger than that of the vent pipe;

however, when the device is used, because the bottom of the vent pipe is provided with the notch, after the centrifugal tube is inverted, the liquid in the vent pipe is easily poured into the vent pipe and is positioned above the valve, which not only affects the air intake of the device, but also easily causes leakage.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a centrifugation pipe cap and centrifuging tube to solve the problem that liquid was leaked easily in the breather pipe department that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a centrifugation pipe cap and centrifuging tube, includes the centrifugation body, the pipe cap main part is installed on the top of centrifugation body, and the bottom of pipe cap main part sets up flutedly, a screw thread section of thick bamboo is installed to the bottom of pipe cap main part, and the bottom of a screw thread section of thick bamboo extends to the inside of centrifugation body, one side on pipe cap main part top is provided with divides the liquid structure, the inside of pipe cap main part is run through there is the breather pipe, and the bottom of breather pipe extends to the inside of centrifugation body, a plurality of first air vents have been seted up to the breather pipe outer wall of pipe cap main part top, a plurality of second air vents have been seted up to the inside breather pipe outer wall bottom of centrifugation body, the installation pole is installed through the pivot in the inside bottom of breather pipe, and the outside of installation pole is provided with a movable section of thick bamboo, a plurality of second air vents have been seted up to the bottom of a movable section of thick bamboo, and the connected mode between a movable section of thick bamboo and the breather pipe is sliding connection.

Preferably, the length of the movable cylinder is greater than the diameter of the second vent hole, and the diameter of the movable cylinder is equal to the inner diameter of the vent hole.

Preferably, the outer wall of the mounting rod is provided with an external thread, and the inner wall of the bottom end of the movable cylinder is provided with an internal thread matched with the internal thread.

Preferably, the inside on breather pipe top is run through and is had the rotary rod, and the top of rotary rod extends to the top of breather pipe and installs the knob, the bottom of rotary rod is connected with the top of installation pole.

Preferably, the inner wall welding of breather pipe has a plurality of solid fixed rings, and the outer wall welding of the rotary rod of solid fixed ring top has a plurality of fixed plates, and the equal vertical through-going of inside of fixed plate has a plurality of first logical grooves.

Preferably, divide the liquid structure including fixed pipe, fixed pipe is installed in one side on pipe cap main part top, and the bottom of fixed pipe is linked together with the inside top of recess, fixed cylinder is installed on the top of fixed pipe, and the top of fixed cylinder installs branch liquid pipe, the internally mounted of fixed cylinder has rotatory piece, and the inside of rotatory piece transversely runs through there is the through-hole, the handle is installed to one side of rotatory piece.

Preferably, the inner wall of the fixed cylinder is provided with an annular guide groove, the guide block is installed on the outer wall of the rotating block, and the rotating block is connected with the fixed cylinder in a rotating mode through the matching between the guide block and the annular guide groove.

Compared with the prior art, the beneficial effects of the utility model are that:

through setting up the lateral wall at the breather pipe with the second vent hole to utilize the outer wall of a movable section of thick bamboo to carry out the shutoff to it when not using, partial liquid can get into the inside of recess when invering simultaneously, and the height of the inside liquid of centrifugal tube body can be less than the bottom height of second vent hole, consequently when inverting the centrifuging tube, inside the breather pipe can not be irritated to intraductal liquid, the phenomenon of leakage can not appear.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the inside of the ventilation tube according to the present invention;

FIG. 3 is a schematic view of a partial side view cross-sectional structure of the vent pipe of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a first air vent; 2. rotating the rod; 3. a through hole; 4. a liquid separating pipe; 5. rotating the block; 6. fixing the tube; 7. a groove; 8. a breather pipe; 9. a fixed cylinder; 10. centrifuging the tube body; 11. a threaded barrel; 12. a cap body; 13. a fixing ring; 14. a fixing plate; 15. a first through groove; 16. a second vent hole; 17. a movable barrel; 18. a second through groove; 19. and (5) installing a rod.

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.

Referring to fig. 1-4, a centrifugal tube cap and a centrifugal tube include a centrifugal tube body 10, a tube cap main body 12 is installed at the top end of the centrifugal tube body 10, a groove 7 is formed at the bottom end of the tube cap main body 12, a threaded cylinder 11 is installed at the bottom end of the tube cap main body 12, the bottom end of the threaded cylinder 11 extends into the centrifugal tube body 10, and a liquid separating structure is arranged on one side of the top end of the tube cap main body 12;

the liquid separation structure comprises a fixed pipe 6, the fixed pipe 6 is installed on one side of the top end of a pipe cap body 12, the bottom end of the fixed pipe 6 is communicated with the top end of the interior of a groove 7, a fixed cylinder 9 is installed at the top end of the fixed pipe 6, a liquid separation pipe 4 is installed at the top end of the fixed cylinder 9, a rotating block 5 is installed inside the fixed cylinder 9, a through hole 3 transversely penetrates through the rotating block 5, and a handle is installed on one side of the rotating block 5;

the inner wall of the fixed cylinder 9 is provided with an annular guide groove, the outer wall of the rotating block 5 is provided with a guide block, and the rotating block 5 is in rotating connection with the fixed cylinder 9 through the matching between the guide block and the annular guide groove;

specifically, as shown in fig. 1, the rotating block 5 is rotated to align the two ends of the through hole 3 with the liquid separating tube 4 and the fixed tube 6, so that the liquid inside the centrifugal tube 10 can be discharged through the fixed tube 6, the through hole 3 and the liquid separating tube 4 in sequence, and the extraction operation is completed.

The inside of pipe cap main part 12 is run through there is breather pipe 8, and the bottom of breather pipe 8 extends to the inside of centrifugal pipe body 10, a plurality of first air vents 1 have been seted up to the breather pipe 8 outer wall of pipe cap main part 12 top, a plurality of second air vents 16 have been seted up to the inside breather pipe 8 outer wall bottom of centrifugal pipe body 10, installation pole 19 is installed through the pivot in the inside bottom of breather pipe 8, and the outside of installing pole 19 is provided with a movable section of thick bamboo 17, a plurality of second logical grooves 18 have been seted up to the bottom of a movable section of thick bamboo 17, and the connected mode between a movable section of thick bamboo 17 and the breather pipe 8 is sliding connection.

The length of the movable cylinder 17 is larger than the diameter of the second vent hole 16, and the diameter of the movable cylinder 17 is equal to the inner diameter of the vent pipe 8;

the outer wall of the mounting rod 19 is provided with external threads, and the inner wall of the bottom end of the movable cylinder 17 is provided with internal threads matched with the external threads;

specifically, as shown in fig. 1 and 4, when not in use, the movable cylinder 17 blocks the second vent 16 to prevent liquid from entering, and when in use, the movable cylinder 17 can be moved by rotating the mounting rod 19, so that the second vent 16 is no longer blocked.

The rotating rod 2 penetrates through the interior of the top end of the vent pipe 8, the top end of the rotating rod 2 extends to the upper part of the vent pipe 8 and is provided with a knob, and the bottom end of the rotating rod 2 is connected with the top end of the mounting rod 19;

a plurality of fixing rings 13 are welded on the inner wall of the vent pipe 8, a plurality of fixing plates 14 are welded on the outer wall of the rotating rod 2 above the fixing rings 13, and a plurality of first through grooves 15 vertically penetrate through the fixing plates 14;

specifically, as shown in fig. 1, 2 and 3, the rotating knob can drive the rotating rod 2 to rotate, so as to cause the mounting rod 19 to rotate, and the fixing ring 13 holds the fixing plate 14, so as to keep the rotating rod 2 stable and avoid the rotating rod 2 from breaking.

The working principle is as follows: when the device is used for liquid-liquid extraction, firstly, a pipe cap on the centrifugal pipe body 10 is screwed off, a pipe cap main body 12 is arranged on the centrifugal pipe body 10 by means of the matching between the threaded cylinder 11 and the centrifugal pipe body 10, then the centrifugal pipe body 10 and the pipe cap main body 12 are inverted, and liquid in the centrifugal pipe body 10 begins to be layered;

part of liquid can enter the inside of the groove 7, so that the height of the liquid inside the centrifugal tube body 10 is lower than the bottom height of the second vent hole 16, at the moment, the rotating rod 2 can be rotated, the rotating rod 2 drives the mounting rod 19 to rotate, the second vent groove 18 moves downwards, the second vent hole 16 is not blocked by the movable tube 17, and outside air can enter the vent pipe 8 from the first vent hole 1 and enter the inside of the centrifugal tube body 10 through the second vent groove 18 and the second vent hole 16, so that subsequent liquid drainage is facilitated;

subsequently, the rotating block 5 is rotated to cause the two ends of the through hole 3 to be aligned with the liquid separating pipe 4 and the fixed pipe 6, so that the liquid inside the centrifugal pipe body 10 can be discharged through the fixed pipe 6, the through hole 3 and the liquid separating pipe 4 in sequence, and the extraction operation is completed.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a centrifugation pipe cap and centrifuging tube, includes centrifugation body (10), pipe cap main part (12) are installed on the top of centrifugation body (10), and the bottom of pipe cap main part (12) set up recess (7), a screw thread section of thick bamboo (11) are installed to the bottom of pipe cap main part (12), and the bottom of a screw thread section of thick bamboo (11) extends to the inside of centrifugation body (10), one side on pipe cap main part (12) top is provided with divides the liquid structure, the inside of pipe cap main part (12) is run through there is breather pipe (8), and the bottom of breather pipe (8) extends to the inside of centrifugation body (10), its characterized in that: a plurality of first air vents (1) have been seted up to breather pipe (8) outer wall of pipe cap main part (12) top, a plurality of second air vents (16) have been seted up to inside breather pipe (8) outer wall bottom of centrifugation body (10), installation pole (19) are installed through the pivot to the inside bottom of breather pipe (8), and the outside of installing pole (19) is provided with a movable section of thick bamboo (17), a plurality of second through-slots (18) have been seted up to the bottom of a movable section of thick bamboo (17), and the connected mode between a movable section of thick bamboo (17) and breather pipe (8) is sliding connection.

2. A centrifuge tube cap and tube as claimed in claim 1, wherein: the length of the movable cylinder (17) is larger than the diameter of the second vent hole (16), and the diameter of the movable cylinder (17) is equal to the inner diameter of the vent pipe (8).

3. A centrifuge tube cap and tube as claimed in claim 1, wherein: the outer wall of the mounting rod (19) is provided with external threads, and the inner wall of the bottom end of the movable cylinder (17) is provided with internal threads matched with the internal threads.

4. A centrifuge tube cap and centrifuge tube according to claim 1, wherein: the inside on breather pipe (8) top is run through and is had rotary rod (2), and the top of rotary rod (2) extends to the top of breather pipe (8) and installs the knob, the bottom of rotary rod (2) is connected with the top of installation pole (19).

5. A centrifuge tube cap and tube as claimed in claim 4, wherein: the inner wall welding of breather pipe (8) has a plurality of solid fixed rings (13), and the outer wall welding of rotary rod (2) of solid fixed ring (13) top has a plurality of fixed plates (14), and the equal vertical through-going of inside of fixed plate (14) has a plurality of first logical grooves (15).

6. A centrifuge tube cap and tube as claimed in claim 1, wherein: divide the liquid structure including fixed pipe (6), fixed pipe (6) are installed in one side on pipe cap main part (12) top, and the bottom of fixed pipe (6) is linked together with the inside top of recess (7), solid fixed cylinder (9) are installed on the top of fixed pipe (6), and the top of solid fixed cylinder (9) installs branch liquid pipe (4), the internally mounted of solid fixed cylinder (9) has rotatory piece (5), and the inside of rotatory piece (5) transversely runs through there is through-hole (3), the handle is installed to one side of rotatory piece (5).

7. A centrifuge tube cap and tube as claimed in claim 6, wherein: the inner wall of a fixed cylinder (9) is provided with an annular guide groove, the guide block is installed on the outer wall of the rotating block (5), and the rotating block (5) is rotatably connected with the fixed cylinder (9) through the matching between the guide block and the annular guide groove.