CN111617886B

CN111617886B - Centrifuge rotor

Info

Publication number: CN111617886B
Application number: CN202010504547.0A
Authority: CN
Inventors: 彭钢; 彭礡; 孔德起; 王斌; 赖华; 李薇
Original assignee: Hengyang Normal University
Current assignee: Hengyang Normal University
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2022-02-11
Anticipated expiration: 2040-06-05
Also published as: CN111617886A

Abstract

A centrifuge rotor comprises a base body, wherein the longitudinal section of the base body is trapezoidal, a through hole is vertically formed in the center of the base body, the top end of the through hole is in threaded connection with a locking rod, a locking cover is sleeved on the locking rod, a vertical adjusting rod penetrates through the inside of the locking rod, and a driving hole is formed in the bottom end of the through hole; the lofting mechanism is arranged in the base body and comprises an annular cavity, the cavity is parallel to the outer wall of the base body, a plurality of clamping grooves are uniformly formed in the top of the cavity, the clamping grooves are clamped with the test tube grooves, and liquid leakage holes are uniformly formed in the bottom of the cavity; the driving mechanism is used for driving the base body to rotate, and the driving mechanism can be separated from the base body when the adjusting rod moves downwards; the leakage-proof groove is annular, is fixed on the base body and is positioned below the liquid leakage hole. The invention can be matched with test tube grooves of different models according to the size of the test tube, does not need to frequently replace a rotor, can simultaneously carry out centrifugal operation on test tubes of various models, and can ensure that liquid splashed out of the test tubes can flow into the leakage-proof groove through the leakage holes, thereby being easy to clean.

Description

Centrifuge rotor

Technical Field

The invention relates to the field of chemical equipment, in particular to a centrifuge rotor.

Background

A centrifuge is one of the devices commonly used in the chemical field, and is used for centrifugally separating a solid-liquid mixed sample, and decomposing a mixture consisting of a sample or a substance into components with different densities by generating acceleration acting on a product through centrifugal separation. Traditional centrifuge rotor is mostly the integrated into one piece structure, can only be used for placing of specific test tube, need change the rotor to the test tube of equidimension not, complex operation, and test tube groove bottom is sealed, and the weeping that produces during the test tube centrifugation easily flows into the test tube inslot, is difficult for wasing.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides the centrifuge rotor which can be matched with test tube grooves of different models according to the sizes of the test tubes, the rotor does not need to be frequently replaced, the centrifugal operation of the test tubes of various models can be simultaneously carried out, and the liquid splashed out from the test tubes can flow into the leakage-proof groove through the leakage holes, so that the centrifuge rotor is easy to clean.

In order to achieve the above object, the present invention employs the following techniques:

a centrifuge rotor comprising:

the vertical section of the base body is trapezoidal, a through hole is vertically formed in the center of the base body, the top end of the through hole is in threaded connection with a locking rod, a locking cover is sleeved on the locking rod, a vertical adjusting rod penetrates through the inside of the locking rod, and a driving hole is formed in the bottom end of the through hole;

the lofting mechanism is arranged in the base body and comprises an annular cavity, the cavity is parallel to the outer wall of the base body, a plurality of clamping grooves are uniformly formed in the top of the cavity, the clamping grooves are clamped with the test tube grooves, and liquid leakage holes are uniformly formed in the bottom of the cavity;

the driving mechanism is used for driving the base body to rotate, and the driving mechanism can be separated from the base body when the adjusting rod moves downwards;

the leakage-proof groove is annular, is fixed on the base body and is positioned below the liquid leakage hole.

Further, the locking cover may be horizontally rotatable on the locking lever.

Furthermore, adjust the pole cover and be equipped with adjusting spring, the check lock top is equipped with the stopper, and the check lock bottom is equipped with down the stopper, adjusts the pole outer wall and is fixed with the annular block, and adjusting spring locates between stopper and the annular block down.

Furthermore, the outer wall of the top end of the locking rod is provided with an anti-skid groove.

Furthermore, the side wall of the base body is provided with an adjusting hole, a limiting ring is arranged in the adjusting hole, the limiting ring is rotatably connected with a supporting rod, the end part of the supporting rod is in threaded connection with a supporting block, the supporting block is movably arranged in the cavity, and the supporting block is used for supporting the test tube groove.

Furthermore, a groove is formed in the side wall of the cavity, and the supporting block can be contained in the groove.

Furthermore, the supporting block adopts the rubber material, and the supporting block is the arc with test tube groove contact surface.

Further, actuating mechanism includes the actuating lever, and the through-hole has vertically been seted up at the actuating lever center, is equipped with drive spring in the through-hole, and the actuating lever top has vertically seted up the drive groove, and the drive inslot internal rotation is equipped with a pair of drive block, and drive block one end telescopic is inserted and is located the drive hole, is equipped with the worker-shaped piece between the drive block other end and the drive spring, can promote the worker-shaped piece when adjusting the pole downstream and make the drive block rotatory, and the drive block tip shifts out the drive hole.

Further, the top end of the driving rod is conical.

Furthermore, a plug body is arranged at the bottom of the leakage-proof groove.

The invention has the beneficial effects that:

1. the centrifuge rotor during operation can match the test-tube groove of different models according to the test tube size, need not frequently to change the rotor, and can carry out the centrifugal operation of multiple model test tube simultaneously, and the liquid accessible weeping hole that spills in the test tube flows into in the leak protection inslot, easily washs.

2. When the adjusting rod is pressed, the adjusting spring is compressed, the bottom end of the adjusting rod contacts with the driving mechanism, and the driving mechanism is quickly separated from the base body.

3. Make the supporting shoe remove and with the test tube groove contact in to the cavity through the swivelling joint pole, for the test tube groove provides the support, prevent test tube groove top and draw-in groove separation, improve device stability, the test tube groove of being convenient for inserts the cavity when the supporting shoe is accomodate to the recess in.

4. The base member is installed when actuating mechanism, perforates and produces the extrusion to the drive block, makes the drive block rotatory to the drive inslot, when the drive block tip was located the drive hole, makes the drive block reset through the drive spring effect, and the drive block tip inserts in the drive hole, promotes worker shape piece when adjusting the pole downstream and makes the drive block rotatory, and the drive block tip shifts out the drive hole, convenient operation, and the practicality is strong.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention.

FIG. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic view of a partial structure a in fig. 1.

Fig. 4 is a schematic view of a portion B of fig. 1.

Fig. 5 is a schematic view of a portion C of fig. 1.

Fig. 6 is a schematic view of a portion D of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

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 the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 4, a centrifuge rotor includes a base 1 with a trapezoidal longitudinal section, a lofting mechanism 2 disposed in the base 1, a driving mechanism 3 for driving the base 1 to rotate, and an annular leakage-proof groove 4.

The perforation 101 has been seted up vertically in base member 1 center, perforation 101 top threaded connection check lock lever 102, check lock lever 102 cover is equipped with locking lid 103, vertical regulation pole 104 is worn to be equipped with in check lock lever 102 inside, can separate actuating mechanism 3 and base member 1 when adjusting pole 104 moves down, and drive hole 105 has been seted up to perforation 101 bottom, and locking lid 103 can be at check lock lever 102 horizontal rotation.

Lofting mechanism 2 includes annular cavity 201, and cavity 201 is parallel with base member 1 outer wall, and a plurality of draw-in grooves 202 have evenly been seted up at cavity 201 top, and draw-in groove 202 card is equipped with test-tube slot 203, and weeping hole 204 has evenly been seted up to cavity 201 bottom.

The leakage-proof groove 4 is fixed on the base body 1 and is positioned below the liquid leakage hole 204, and the bottom of the leakage-proof groove 4 is provided with a plug body 401.

When the centrifuge rotor works, test tube grooves 203 of different models can be matched according to the sizes of test tubes, the rotor does not need to be frequently replaced, centrifugal operation of test tubes of various models can be simultaneously carried out, the test tube grooves 203 are symmetrically arranged in the clamping grooves 202, then the locking rod 102 is assembled in the through hole 101, as the locking cover 103 can horizontally rotate on the locking rod 102, the locking cover 103 can be tightly clamped by rotating the locking rod 102 after being fixed, and the sealing performance of the locking cover 103 and the base body 1 is ensured; install base member 1 in actuating mechanism 3, carry out centrifugal operation when base member 1 fast revolution, can separate actuating mechanism 3 and base member 1 through pressing down regulation pole 104 after the centrifugation is accomplished, the liquid accessible weeping hole 204 that spills in the test tube flows into in the leak protection groove 4 to pour it out through opening cock body 401, easily wash.

Furthermore, the adjusting rod 104 is sleeved with an adjusting spring 106, the top end of the locking rod 102 is provided with an upper limiting block 107, the bottom end of the locking rod 102 is provided with a lower limiting block 108, an annular block 109 is fixed on the outer wall of the adjusting rod 104, the adjusting spring 106 is arranged between the lower limiting block 108 and the annular block 109, and the outer wall of the top end of the locking rod 102 is provided with an anti-slip groove 110.

Utilize adjusting spring 106 to provide ascending effort to adjusting lever 104 for annular piece 109 and last stopper 107 contact, when pressing down adjusting lever 104, adjusting spring 106 is compressed, adjusts lever 104 bottom contact actuating mechanism 3, realizes actuating mechanism 3 and base member 1 quickly separating, and convenient operation is through seting up anti-skidding groove 110 at the lock lever 102 top outer wall, the lock lever 102 rotation regulation of being convenient for.

Further, as shown in fig. 5, an adjusting hole 5 is formed in the side wall of the base body 1, a limiting ring 501 is arranged in the adjusting hole 5, the limiting ring 501 is rotatably connected with a supporting rod 502, a supporting block 503 is connected to the end portion of the supporting rod 502 in a threaded manner, the supporting block 503 is movably arranged in the cavity 201, the supporting block 503 is used for supporting the test tube slot 203, a groove 504 is formed in the side wall of the cavity 201, the supporting block 503 can be accommodated in the groove 504, the supporting block 503 is made of rubber, and the contact surface between the supporting block 503 and the test tube slot 203 is arc-shaped.

When the supporting block 503 position is adjusted, the supporting block 503 rotates along the central axis thereof through the rotary supporting rod 502, the supporting block 503 is in threaded connection with the end of the supporting rod 502, so that the supporting block 503 moves in the cavity 201 and contacts with the test tube groove 203, the supporting block can support the test tube groove 203 when the base body 1 rotates, the top of the test tube groove 203 is prevented from being separated from the clamping groove 202, the stability of the device is improved, the test tube groove 203 can be conveniently inserted into the cavity 201 when the supporting block 503 is accommodated in the groove 504, the arc-shaped surface of the supporting block 503 made of rubber is in contact with the test tube groove 203, and the abrasion to the test tube groove 203 is reduced.

Further, as shown in fig. 6, the driving mechanism 3 includes a driving rod 301, a top end of the driving rod 301 is tapered, a through hole 302 is vertically formed in a center of the driving rod 301, a driving spring 303 is disposed in the through hole 302, a driving groove 304 is longitudinally formed in a top end of the driving rod 301, a pair of driving blocks 305 is rotationally disposed in the driving groove 304, one end of each driving block 305 is telescopically inserted into the driving hole 105, an i-shaped block 306 is disposed between the other end of each driving block 305 and the driving spring 303, when the adjusting rod 104 moves downward, the i-shaped block 306 can be pushed to rotate the driving block 305, and an end portion of each driving block 305 moves out of the driving hole 105.

When the base body 1 is installed on the driving mechanism 3, the driving rod 301 is inserted into the through hole 101, the through hole 101 extrudes the driving block 305, the driving block 305 rotates into the driving groove 304, when the end part of the driving block 305 is located in the driving hole 105, the driving block 305 resets under the action of the driving spring 303, the end part of the driving block 305 is inserted into the driving hole 105, when the adjusting rod 104 moves downwards in the through hole 302, the I-shaped block 306 can be pushed, the driving block 305 rotates, and the end part of the driving block 305 moves out of the driving hole 105.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A centrifuge rotor, comprising:

the vertical section of the base body (1) is trapezoidal, a through hole (101) is vertically formed in the center of the base body (1), the top end of the through hole (101) is in threaded connection with a locking rod (102), a locking cover (103) is sleeved on the locking rod (102), a vertical adjusting rod (104) penetrates through the locking rod (102), and a driving hole (105) is formed in the bottom end of the through hole (101);

the lofting mechanism (2) is arranged in the base body (1) and comprises an annular cavity (201), the cavity (201) is parallel to the outer wall of the base body (1), a plurality of clamping grooves (202) are uniformly formed in the top of the cavity (201), the clamping grooves (202) are clamped with test tube grooves (203), and liquid leakage holes (204) are uniformly formed in the bottom of the cavity (201);

the driving mechanism (3) is used for driving the base body (1) to rotate, the driving mechanism (3) can be separated from the base body (1) when the adjusting rod (104) moves downwards, the driving mechanism (3) comprises a driving rod (301), a through hole (302) is vertically formed in the center of the driving rod (301), a driving spring (303) is arranged in the through hole (302), a driving groove (304) is longitudinally formed in the top end of the driving rod (301), a pair of driving blocks (305) are arranged in the driving groove (304) in a rotating mode, one end of each driving block (305) is inserted into the corresponding driving hole (105) in a telescopic mode, an I-shaped block (306) is arranged between the other end of each driving block (305) and the corresponding driving spring (303), when the adjusting rod (104) moves downwards, the I-shaped block (306) can be pushed to enable the driving blocks (305) to rotate, and the end portions of the driving blocks (305) move out of the driving holes (105);

the anti-leakage groove (4) is annular, is fixed on the base body (1) and is positioned below the liquid leakage hole (204), and the bottom of the anti-leakage groove (4) is provided with a plug body (401);

adjusting hole (5) have been seted up to base member (1) lateral wall, be equipped with spacing ring (501) in adjusting hole (5), spacing ring (501) rotate and are connected with bracing piece (502), bracing piece (502) tip threaded connection has supporting shoe (503), supporting shoe (503) mobilizable locate in cavity (201), supporting shoe (503) are used for supporting test tube groove (203), cavity (201) lateral wall is seted up flutedly (504), supporting shoe (503) can be accomodate to in recess (504), supporting shoe (503) all adopt the rubber material, supporting shoe (503) and test tube groove (203) contact surface are the arc.

2. A centrifuge rotor according to claim 1 wherein: the locking cover (103) can rotate horizontally on the locking lever (102).

3. A centrifuge rotor according to claim 1 wherein: the adjusting rod (104) is sleeved with an adjusting spring (106), the top end of the locking rod (102) is provided with an upper limiting block (107), the bottom end of the locking rod (102) is provided with a lower limiting block (108), the outer wall of the adjusting rod (104) is fixed with a ring block (109), and the adjusting spring (106) is arranged between the lower limiting block (108) and the ring block (109).

4. A centrifuge rotor according to claim 1 wherein: the outer wall of the top end of the locking rod (102) is provided with an anti-skid groove (110).

5. A centrifuge rotor according to claim 1 wherein: the top end of the driving rod (301) is conical.