CN218741704U

CN218741704U - Intelligent preparation facilities of chromosome sample

Info

Publication number: CN218741704U
Application number: CN202222192258.9U
Authority: CN
Inventors: 潘建周
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-03-28
Anticipated expiration: 2032-08-19

Abstract

The utility model relates to the technical field of experimental equipment, in particular to an intelligent preparation device for chromosome samples, which comprises a main body, a drawable placing frame, a centrifuge tube, an up-down movable power device, a circulating extrusion device, a clamping device and a liquid suction pipe; this utility model discloses a set up circulation extrusion device and extrude according to certain frequency to the extrusion end of imbibition straw, thereby realize that the air in the imbibition straw is blown by the compression to the liquid in the centrifuging tube and beat, reach the mixing effect of the liquid in the centrifuging tube, still carry out the centre gripping to the insertion end of imbibition straw through setting up clamping device, thereby make the imbibition straw can be more stable blow the operation of beating, clamping device's clamping end bottom sets to can form with the throat of centrifuging tube inner wall adaptation simultaneously, it can prevent that the liquid in the centrifuging tube from blowing the in-process spill of beating in its throat form stretches into the centrifuging tube during the operation of blowing beating, in addition can also blow the operation of beating to many centrifuging tubes simultaneously.

Description

Intelligent preparation facilities of chromosome sample

Technical Field

The utility model relates to an experimental facilities technical field, concretely relates to intelligent preparation facilities of chromosome sample.

Background

Chromosome specimen preparation is mainly divided into three categories: the smear method, the tabletting method and the slicing method, wherein the smear method comprises the following operation procedures: taking cells, treating the cells for a certain time by using a microtubule inhibitor, collecting the cells, fixing by using a Carnot fixing solution, washing the fixing solution by using deionized water, collecting the cells again, hypotonically treating the cells by using the deionized water, fixing by using the Carnot fixing solution, resuspending the cells, smearing, and 5% Giemsa dyeing, wherein the step of uniformly mixing the hypotonically treated cells by using the deionized water generally comprises the step of manually blowing and beating the liquid in a centrifugal tube by using a liquid suction tube, a worker repeatedly squeezes and pinches a squeezing end of a liquid suction habit, the fingers are easy to swell with acid, the working efficiency is lower, and when a third-party laboratory has more samples, the defect of low efficiency is more prominent;

notice for CN 213376315U's utility model discloses a chromosome hypotonic mixing device, this device has certain defect, this utility model utilize the mixed liquid oscillation mixing of oscillator in to the centrifuging tube, and the effect of continuous oscillation probably leads to the cell to break, this in addition the draw-in groove and the centrifuging tube cooperation one by one of fixed lid, and its cooperation department does not set up seal structure, and the mixed liquid in the centrifuging tube probably leads to from the gap spill of draw-in groove and centrifuging tube through the oscillatory action, then probably leads to the composition proportion of mixed liquid to change for the result that leads to whole chromosome preparation takes place the deviation, then need design one kind replace and blow the device that beats the operation still can blow the liquid in many centrifuging tubes simultaneously to the form that does not influence the cell by hand, for this, the utility model provides an intelligent preparation device of chromosome specimen.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art existence, the utility model provides an intelligent preparation facilities of chromosome sample.

The technical scheme of the utility model is that:

the utility model provides an intelligent preparation facilities of chromosome specimen, comprising a main body, main part side-mounting extractable formula rack, the centrifuging tube can be placed to the extractable formula rack evenly surrounding, movable power device about the main part top is connected, movable power device below corresponds extractable formula rack connection circulation extrusion device from top to bottom, movable power device can drive circulation extrusion device operation from top to bottom, circulation extrusion device below corresponds and connects clamping device, the imbibition straw stretches into in the holistic work position of circulation extrusion device and clamping device, and clamping device can carry out the centre gripping to the end of inserting of imbibition straw fixed, and circulation extrusion device can extrude according to the certain frequency to the extrusion end of imbibition straw, thereby realize that the air in the imbibition straw is blown by the liquid of compression in to the centrifuging tube.

Further, but pull out formula rack includes the centrifuge tube rack, and the centrifuge tube rack sets up the centrifuge tube rack standing groove through the main part top and draws this groove in its front side to place here, and both keep the adaptation, and the centrifuge tube rack bottom sets up a plurality of even ordinary slide rails of placing side by side and centrifuge tube rack placing groove bottom surface sliding connection through drawing through the direction along centrifuge tube rack placing groove, and the centrifuge tube rack top evenly encircles and sets up several centrifuge tube standing groove in vertical direction in main part central point position.

Further, upper and lower movable power device includes power device, and power device's output shaft is down and correspond the main part central point and put, and power device sets up vertical electronic slide rail and main part top sliding connection who places through its left and right sides.

Further, the circular extrusion device comprises a first disc, the first disc is vertically installed under the upper and lower movable power devices, the center of the first disc corresponds to the output shaft, a first through hole is formed in the output shaft, a certain distance is kept between the first through hole and the first through hole, meanwhile, the output shaft stretches into the first through hole, the end face of the first disc corresponds to all centrifuge tube rack placing grooves, second through holes matched with the diameter of the extrusion end of the liquid suction tube are formed in all centrifuge tube rack placing grooves, first through grooves and first through holes are formed in the side wall of all second through holes corresponding to the center of the first disc, ejector rods matched with the first through grooves in a sliding connection mode are formed in all first through grooves along the first through grooves, one ends of the ejector rods corresponding to the second through holes are flush with the corresponding openings of the first through grooves, the extending parts of the ends of the ejector rods corresponding to the first through holes are arc-shaped, rotating blocks are fixedly connected with the side walls of the output shafts corresponding to the planes of the ejector rods, and the outer ends of the rotating blocks are attached to the side walls of the first through holes.

Furthermore, guide grooves are formed in all the first through grooves corresponding to the two sides of the ejector rod, one side, close to the first through hole, of each guide groove is fixedly connected with the corresponding side wall of the ejector rod through a guide block with matched arrangement, and all the guide blocks are fixedly connected with the corresponding side walls, close to the second through holes, of the guide grooves through first springs.

Further, the clamping device comprises a second disc, the second disc is correspondingly installed below the first disc, the end face of the second disc corresponds to all centrifuge tube rack placing grooves and is provided with a second through groove, all second through grooves are communicated with the outside of the side wall corresponding to the second disc, the positions of all second through grooves corresponding to centrifuge tube placing grooves are provided with a first semi-cylinder and a second semi-cylinder which are matched, the first semi-cylinder and the second semi-cylinder are both made of soft materials, the first semi-cylinder is located on the inner side and corresponds to and is fixedly connected with the inner end of the second through groove, the second semi-cylinder is located on the outer side and is connected with the side wall of the second through groove in a sliding mode along the direction of the communicating direction, the center of the combined body of the first semi-cylinder and the second semi-cylinder corresponds to the insertion end of the liquid suction pipe and is provided with a first semi-cylinder and a second semi-cylinder which are matched, the outer side wall of the second disc is provided with a circular ring, the inner side wall of the circular ring is rotatably connected with the outer side wall of the second disc, the inner side wall of the circular ring corresponds to all second semi-cylinder and is fixedly connected with the second semi-cylinder through a pull rope, and the pull spring structure of the second semi-cylinder is separated from the circular ring.

Furthermore, the spring structure comprises a first connecting groove and a second connecting groove, the first connecting groove and the second connecting groove are symmetrically arranged on the upper end face of a combined body corresponding to the first semi-cylinder and the second semi-cylinder in the center of the first connecting groove and the second connecting groove respectively along the pulling-through direction of the second connecting groove, the first connecting groove is communicated with the corresponding second connecting groove, the inner side walls of the first connecting groove and the second connecting groove are fixedly connected through the second springs in the combined grooves, and the distance between the pair of side-by-side second springs is larger than the diameter of the extruding end of the liquid suction straw.

Furthermore, the bottom of the combined body of the first semi-cylinder and the second semi-cylinder extends out of the second through groove, and the extending end of the combined body is set to be in a necking shape matched with the inner wall of the centrifuge tube.

The utility model has the advantages of it is following:

this utility model discloses a set up circulation extrusion device and extrude according to certain frequency to the extrusion end of imbibition straw, thereby realize that the air in the imbibition straw is blown by the compression to the liquid in the centrifuge tube, reach the mixing effect of the liquid in the centrifuge tube, still carry out the centre gripping to the insertion end of imbibition straw through setting up clamping device, thereby make the imbibition straw can be more stable blow the operation of beating, clamping device's clamping end bottom sets to can be with the throat form of centrifuging tube inner wall adaptation simultaneously, its throat form can prevent that the liquid in the centrifuge tube from blowing the in-process spill of beating in stretching into the centrifuge tube when blowing the operation, can also blow the operation to many centrifuging tubes simultaneously in addition, the very big efficiency and the intelligent of chromosome specimen preparation that have promoted in the combination of above function.

Drawings

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

Fig. 2 isbase:Sub>A sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

Fig. 3 is an enlarged view of a portion i of fig. 1.

Fig. 4 is a sectional view taken along line B-B of fig. 1.

Fig. 5 is an enlarged view of a portion ii of fig. 4.

Fig. 6 is a sectional view taken along line C-C of fig. 1.

Fig. 7 is an enlarged view of a part iii of fig. 6.

Detailed Description

To facilitate understanding of the present invention for those skilled in the art, embodiments of the present invention will be described below with reference to the accompanying drawings.

In the description of the present application, it is to 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, and are only for convenience of describing the present invention and simplifying the 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 relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 this application will be understood to be a specific case for those of ordinary skill in the art.

As shown in fig. 1 and fig. 2, the utility model provides an intelligent preparation facilities of chromosome specimen, including

main part

1, 1 top in main part is seted up centrifuging tube frame mounting groove 11 and is led through this groove in its front side, place the centrifuge tube frame 2 of adaptation in centrifuging tube

frame mounting groove

11, 2 bottoms of centrifuge tube frame are through setting up a plurality of even

ordinary slide rails

12 and 11 bottom surfaces sliding connection of centrifuging tube frame mounting groove that place side by side along 11 pull-through directions of centrifuging tube frame mounting groove, 2 tops of centrifuge tube frame are put in 1 central point in main part and are evenly encircleed and set up several centrifuging tube mounting groove 21 in vertical direction, can place centrifuging tube 3 in centrifuging tube mounting groove 21, soft floorcloth is evenly laid to centrifuging

tube mounting groove

21, 2 outer ends installation handles 22 of centrifuge tube frame.

As shown in figure 1, a power device 4 is arranged right above the main body 1, an output shaft 41 of the power device 4 faces downwards and corresponds to the central position of the main body 1, and the power device 4 is connected with the top of the main body 1 in a sliding mode through electric sliding rails 5 which are vertically arranged on the left side and the right side of the power device 4.

As shown in fig. 1, a first disk 6 is vertically disposed right below the power device 4, a plurality of vertically disposed first connecting rods 61 are uniformly disposed around the center of the first disk 6 and fixedly connected to the bottom of the power device 4, as shown in fig. 4, a first through hole 62 is formed in the center of the first disk 6 corresponding to the output shaft 41, and the first through hole 62 keep a certain distance, meanwhile, the output shaft 41 extends into the first through hole 62, as shown in fig. 5, the end surface of the first disk 6 corresponding to all centrifuge tube placing grooves 21 is provided with a second through hole 63 adapted to the diameter of the extrusion end 71 of the pipette 7, the side wall of all second through holes 63 corresponding to the center of the first disk 6 is provided with a first through groove 64 communicated with the first through hole 62, all first through grooves 64 are provided with ejector rods 65 slidably connected in the direction, one end of the ejector rod 65 corresponding to the second through hole 63 is flush with the corresponding opening of the first through groove 64, one end of the ejector rod 65 corresponding to the first through hole 62 extends out of the corresponding to the opening corresponding to the first through hole 64, and the extended portion is in an arc-shaped convex shape, the outer end of the side wall of the output shaft 41 corresponding to the plane is connected to the rotating block 42, and the rotating block 42 is flush with the side wall of the first through hole 62.

As shown in fig. 5, guide grooves 66 are formed in all the first through grooves 64 corresponding to two sides of the ejector rod 65, one side of each guide groove 66 close to the first via hole 62 is fixedly connected with the corresponding side wall of the ejector rod 65 through a guide block 67 with an adaptive structure, and all the guide blocks 67 and the corresponding side walls of the guide grooves 66 close to the second via holes 63 are fixedly connected through first springs 68.

As shown in fig. 1, the second disc 8 is correspondingly arranged below the first disc 6, a plurality of vertically-arranged second connecting rods 81 are uniformly arranged above the second disc 8 by surrounding the center of the second disc 8 and fixedly connected with the bottom of the first disc 6, as shown in fig. 6, the end face of the second disc 8 corresponds to all centrifuge tube placing grooves 21 and is provided with a second through groove 82, and all the second through grooves 82 are respectively communicated with the outside of the side wall corresponding to the second disc 8, as shown in fig. 7, the positions corresponding to the centrifuge tube placing grooves 21 in all the second through grooves 82 are respectively provided with a combination body of a first semi-cylinder 83 and a second semi-cylinder 84 which are matched with each other, both are respectively provided with a soft material, wherein the first semi-cylinder 83 is positioned on the inner side and corresponds to and is fixedly connected with the inner end of the second through groove 82, the second semi-cylinder 84 is positioned on the outer side and is slidably connected with the side wall of the second through groove 82 along the pull-through direction, as shown in fig. 3, the combination body of the first semi-cylinder 83 and the second semi-cylinder 84 extend out of the second through groove 82 and the extension end is provided with the inner wall of the centrifuge tube 3.

As shown in fig. 7, the center of the combination of the first and

second semicylinders

83, 84 corresponds to the insertion end 72 of the pipette 7 and is provided with a first semicircular hole 85 and a second semicircular hole 86, the upper end surface of the combination of the first and

second semicylinders

83, 84 is provided with a first connecting groove 87 and a second connecting groove 88 at the center thereof along the pulling direction of the second connecting groove 82, the first connecting groove 87 is communicated with the second connecting groove 88, the inner side walls of the first connecting groove 87 and the second connecting groove 88 are fixedly connected by the second spring 89, the distance between the pair of side-by-side second springs 89 is larger than the diameter of the extrusion end 71 of the pipette 7, as shown in fig. 1, the outer side of the second disc 8 is provided with the adaptive ring 9, the inner side wall of the ring 9 is rotatably connected with the outer side wall of the second disc 8, all the second semicylinders 84 corresponding to the inner side wall of the ring 9 are fixedly connected with the side walls of the second semicylinders 84 by the pull ropes 91, and the outer side walls of the ring 9 are symmetrically provided with the fixing blocks 92.

During the use, at first start electronic slide rail 5 and drive power device 4, first disc 6 and second disc 8 and wholly shift up to a take the altitude, then grab handle 22 and take centrifuge tube rack 2 out through ordinary slide rail 12 is slided, add 3-5 ml's hypotonic liquid to carrying in the centrifuging tube 3 that is equipped with centrifugation, abandon the culture that the supernatant was accomplished with quantitative liquid feeder, place centrifuging tube 3 in centrifuging tube standing groove 21 again, slide centrifuge tube rack 2 whole through ordinary slide rail 12 back to the normal position finally.

The ring 9 is rotated by pinching the fixing block 92 with a hand, the ring 9 pulls the second semi-cylinder 84 through the pull rope 91 and moves to the opening of the second through groove 82 by overcoming the elastic force of the second spring 89, then the extrusion end 71 of the liquid suction pipe 7 upwards extends into the space between the first semi-cylinder 83 and the second semi-cylinder 84 corresponding to the place of the centrifuge tube 3 until the extrusion end 71 of the liquid suction pipe 7 extends into the second through hole 63, the insertion end 72 of the liquid suction pipe 7 is positioned between the first semi-cylinder 85 and the second semi-cylinder 86 at the moment, the ring 9 is stopped being rotated, the ring 9 is reset due to the elastic force recovery of the second spring 89, and meanwhile the insertion end 72 of the liquid suction pipe 7 is clamped by the first semi-cylinder 83 and the second semi-cylinder 84.

Starting the electric slide rail 5 to drive the power device 4, the first disk 6 and the second disk 8 to move down integrally to the insertion end 72 of the liquid suction pipe 7 to be inserted into the centrifuge tube 3 and extend into the liquid inside the centrifuge tube, and meanwhile, the necking-shaped bottom of the combined body of the first semi-cylinder 83 and the second semi-cylinder 84 extends into the inner wall of the centrifuge tube 3 and keeps attached to each other.

Start power device 4, power device 4 takes output shaft 41 and turning block 42 at the uniform velocity rotatory, when the outer end of turning block 42 collides with ejector pin 65, then utilize the arc protruding end of ejector pin 65 with it to pushing up to certain distance in the second via hole 63 through the elasticity of overcoming first spring 68, the one end that this moment ejector pin 65 corresponds second via hole 63 stretches into in the second via hole 63, and extrude the extrusion end 71 of imbibition straw 7, then the air in imbibition straw 7 is compressed thereby blows the liquid in centrifuging tube 3 this moment, when the outer end of turning block 42 staggers with ejector pin 65, then because the elasticity of first spring 68 resumes to make ejector pin 65 reset, thereby stop blowing the liquid in centrifuging tube 3, explain: this device can be with full-load operation of centrifuge tube standing groove 21, and rotate through turning block 42 and can be in proper order to each ejector pin 65 effect for can carry out even and endless blowing to the liquid in each centrifuge tube 3 and beat the effect, thereby accomplish the mixing operation of the liquid in all centrifuge tubes 3.

After the blending operation is completed, the power device 4 is closed, the electric slide rail 5 is started to drive the power device 4, the first disc 6 and the second disc 8 to integrally move up to the bottom of the insertion end 72 of the liquid suction pipe 7 and move out of the centrifuge tube 3, and finally the centrifuge tube 3 is taken out to obtain a blended substance of the hypotonic solution and the culture.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides an intelligent preparation facilities of chromosome sample which characterized in that: the centrifugal tube extruding device comprises a main body (1), wherein a drawable placing rack is arranged on the upper side of the main body (1), centrifugal tubes (3) can be placed in the drawable placing rack in an evenly surrounding mode, an upper movable power device and a lower movable power device are connected above the main body (1), the lower movable power device corresponds to the drawable placing rack and is connected with a circulating extruding device, the upper movable power device and the lower movable power device can drive the circulating extruding device to operate, a clamping device is correspondingly connected below the circulating extruding device, a liquid suction tube (7) extends into the integral working position of the circulating extruding device and the clamping device, the clamping device can clamp and fix an insertion end (72) of the liquid suction tube (7), the circulating extruding device can extrude an extrusion end (71) of the liquid suction tube (7) according to a certain frequency, and therefore air in the liquid suction tube (7) is compressed to blow liquid in the centrifugal tubes (3).

2. The intelligent preparation device of a chromosome specimen according to claim 1, characterized in that: drawable formula rack includes centrifuge tube rack (2), centrifuge tube rack (2) are seted up centrifuge tube rack standing groove (11) through main part (1) top and are placed this groove in its front side draw-through here, both keep the adaptation, centrifuge tube rack (2) bottom sets up a plurality of ordinary slide rail (12) and centrifuge tube rack standing groove (11) bottom surface sliding connection who evenly places side by side through drawing-through direction along centrifuge tube rack standing groove (11), centrifuge tube rack (2) top evenly encircles and sets up several centrifuge tube standing groove (21) in vertical direction in main part (1) central point puts.

3. The intelligent preparation device of a chromosome specimen according to claim 2, characterized in that: the up-down movable power device comprises a power device (4), an output shaft (41) of the power device (4) faces downwards and corresponds to the center of the main body (1), and the power device (4) is connected with the top of the main body (1) in a sliding mode through electric sliding rails (5) which are vertically arranged on the left side and the right side of the power device.

4. The intelligent preparation device of a chromosome specimen according to claim 3, characterized in that: the circular extrusion device comprises a first disc (6), the first disc (6) is vertically installed under an upper movable power device and a lower movable power device, a first through hole (62) is formed in the center of the first disc (6) corresponding to an output shaft (41) and keeps a certain distance between the first through hole and the output shaft, the output shaft (41) extends into the first through hole (62), second through holes (63) matched with the diameters of extrusion ends (71) of liquid suction pipes (7) are formed in all centrifuge tube rack placing grooves (11) corresponding to the end faces of the first disc (6), first through grooves (64) and first through holes (62) are formed in the side walls of all second through holes (63) corresponding to the center of the first disc (6) and communicated with each other, ejector rods (65) matched with sliding connection in the direction are formed in all first through grooves (64), one ends of the ejector rods (65) corresponding to the second through holes (63) correspond to openings of first through grooves (64) and are flush with each other, one ends of the ejector rods (65) corresponding to the first through holes (62) extend out of the first through grooves (64) and the outer ends of the first through holes (64) correspond to arc-shaped openings, and the protruding parts of the rotating blocks (42) corresponding to the rotating blocks (42) are attached to the side walls of the rotating blocks (42).

5. The intelligent preparation device for the chromosome specimen according to claim 4, wherein: all first logical groove (64) correspond ejector pin (65) both sides and all set up guide way (66), and the one side that is close to first via hole (62) in all guide ways (66) all through guide block (67) that sets up the adaptation and the ejector pin (65) lateral wall fixed connection that corresponds, and all guide block (67) and the lateral wall that corresponds guide way (66) and are close to second via hole (63) all are through first spring (68) fixed connection.

6. The intelligent preparation device of a chromosome specimen according to claim 5, characterized in that: the clamping device comprises a second disc (8), the second disc (8) is correspondingly installed below the first disc (6), the end face of the second disc (8) is provided with second through grooves (82) corresponding to all centrifuge tube rack placing grooves (11), all the second through grooves (82) are communicated with the outer side wall corresponding to the second disc (8), all the second through grooves (82) are provided with a combination body of a first semi-cylinder (83) and a second semi-cylinder (84) which are matched with each other in positions corresponding to the centrifuge tube placing grooves (21), the first semi-cylinder (83) is positioned on the inner side and is corresponding to and fixedly connected with the inner end of the second through groove (82), the second semi-cylinder (84) is positioned on the outer side and is in sliding connection with the side wall of the second through groove (82) along the pulling direction, the combination body center of the first semi-cylinder (83) and the second semi-cylinder (84) is provided with a first semi-circular hole (85) and a second semi-cylinder (84) which is matched with the insertion end (72) of the liquid suction disc (7), the outer side wall of the second semi-cylinder (84) is symmetrically provided with a second semi-cylinder ring (9), the outer side wall of the second semi-cylinder (9) is connected with a second semi-cylinder ring (9) which is arranged on the outer side wall of the second semi-cylinder (84), and a second semi-cylinder ring (9), the first semi-cylinder (83) and the second semi-cylinder (84) are connected through a spring structure, when the pull rope (91) pulls the second semi-cylinder (84) to separate from the first semi-cylinder (83), the spring structure enables the two to be combined and kept in the original state when the pulling force is removed.

7. The intelligent preparation device of a chromosome specimen according to claim 6, characterized in that: the spring structure comprises a first connecting groove (87) and a second connecting groove (88), the first connecting groove (87) and the second connecting groove (88) are symmetrically arranged at the upper end face of a combining body corresponding to a first semi-cylinder (83) and a second semi-cylinder (84) at the center of the first connecting groove (87) and the second connecting groove (88) respectively along the pulling-through direction of the second connecting groove (82), the first connecting groove (87) is communicated with the corresponding second connecting groove (88), the second spring (89) is arranged in the combining groove of the first connecting groove (87) and the second connecting groove (88) to fixedly connect the inner side walls of the first connecting groove and the second connecting groove, and meanwhile, the distance between the pair of side-by-side second springs (89) is larger than the diameter of an extrusion end (71) of the liquid suction straw (7).

8. The intelligent preparation device of a chromosome specimen according to claim 7, characterized in that: the bottom of the combined body of the first semi-cylinder (83) and the second semi-cylinder (84) extends out of the second through groove (82) and the extending end of the combined body is set to be in a necking shape which can be matched with the inner wall of the centrifuge tube (3).