阅读说明：本技术 一种离心管水浴支撑装置 (Centrifuging tube water bath strutting arrangement ) 是由 吴艳瑞 于 2021-07-12 设计创作，主要内容包括：本发明公开了一种离心管水浴支撑装置,包括放置骨架,所述放置骨架的两侧设置有下插锁；通过在第二电机罩内部设置的升降机构,启动升降机构中的第二电机,第二电机带动驱动端固定连接的主动齿轮旋转,主动齿轮带动外侧啮合连接的从动齿轮开始旋转,从动齿轮带动中间固定连接的螺杆开始旋转,在螺杆的外侧螺纹连接有升降滑块,升降滑块的外侧有延伸出来的部位,且升降滑块滑动连接于螺杆防护罩的内侧,升降滑块在螺杆防护罩的内部做升降运动,在升降滑块的一侧固定连接有固定臂,在固定臂的相对内侧固定连接有第一侧板和第二侧板,这样就可达到使放置骨架和离心管放置板升降进行水浴的效果。(The invention discloses a water bath supporting device for a centrifugal tube, which comprises a placing framework, wherein lower mortise locks are arranged on two sides of the placing framework; through the elevating system who covers the inside setting at the second motor, start the second motor among the elevating system, the second motor drives the driving gear rotation of drive end fixed connection, the driven gear that the driving gear drives outside meshing and connects begins rotatoryly, driven gear drives middle fixed connection's screw rod and begins rotatoryly, there is the lifting slide in the outside threaded connection of screw rod, there is the position that extends out in the lifting slide's the outside, and lifting slide sliding connection is in the inboard of screw rod protection casing, lifting slide is elevating movement in the inside of screw rod protection casing, one side fixedly connected with fixed arm at lifting slide, first curb plate of relative inboard fixedly connected with and the second curb plate at the fixed arm, just so can reach and make and place skeleton and centrifuging tube and place the board and go up and down and carry out the effect of water bath.)

1. The utility model provides a centrifuging tube water bath strutting arrangement, is including placing skeleton (1), its characterized in that: the centrifuge tube placing device is characterized in that lower mortise locks (3) are arranged on two sides of a placing framework (1), a centrifuge tube placing plate (4) is arranged on the inner side of the placing framework (1), upper mortise locks (20) are arranged on the top end of the centrifuge tube placing plate (4), the lower mortise locks (3) and the upper mortise locks (20) are fixedly connected through bolts, accommodating holes (31) are formed in the top end of the centrifuge tube placing plate (4), a plurality of accommodating holes (31) are formed in the accommodating holes (31), silica gel ring sleeves are arranged on the inner sides of the accommodating holes (31), elastic silica gel sleeves (7) are arranged at the bottom end of the centrifuge tube placing plate (4), the elastic silica gel sleeves (7) are arranged in one-to-one correspondence with the accommodating holes (31), lifting handles (5) are symmetrically arranged on the top ends of the centrifuge tube placing plate (4), and a first side plate (2) and a second side plate (26) are fixedly connected to two sides of the placing framework (1), one side of first curb plate (2) is provided with tilting mechanism, tilting mechanism's bottom fixedly connected with L shaped plate (11), one side fixedly connected with fixed arm (28) of L shaped plate (11), the outside of fixed arm (28) is provided with elevating system, the centre of placing skeleton (1) top one side is provided with time-recorder (6), the top symmetry of placing skeleton (1) is provided with couple (25), place the middle notch of having seted up of skeleton (1), the length and the width of placing the notch bottom are less than the length and the width on top.

2. The centrifuge tube water bath supporting device according to claim 1, wherein: tilting mechanism includes first motor cover (8), first motor (12), axis of rotation (18) and fixed block (19), first motor (12) fixed connection is in the inside of first motor cover (8), the one end rotation of axis of rotation (18) is connected in one side of fixed block (19).

3. The centrifuge tube water bath supporting device according to claim 2, wherein: fixed block (19) fixed connection is in the inboard of fixed arm (28), the other end fixed connection of axis of rotation (18) is in one side of second curb plate (26), the drive end fixed connection of first motor (12) is in one side of first curb plate (2), first motor cover (8) fixed connection is in the top of L shaped plate (11).

4. The centrifuge tube water bath supporting device according to claim 1, wherein: the lifting mechanism comprises a second motor (13), a driving gear (14), a driven gear (15), a screw (16) and a lifting slider (17), the driving gear (14) is fixedly connected to the driving end of the second motor (13), the driven gear (15) is meshed and connected to the outer side of the driving gear (14), the screw (16) is fixedly connected to the middle of the driven gear (15), and the lifting slider (17) is connected to the outer side of the screw (16) in a threaded mode.

5. The centrifuge tube water bath supporting device according to claim 4, wherein: the bottom fixedly connected with second motor cover (9) of second motor (13), the bottom of screw rod (16) is rotated and is connected in the inside bottom of second motor cover (9), one side fixed connection in one side of fixed arm (28) of screw rod (16), the top fixedly connected with screw rod protection casing (27) of second motor cover (9), screw rod (16) are rotated and are connected in the inside top of screw rod protection casing (27), lifting slide (17) sliding connection is in the inboard of screw rod protection casing (27).

6. The centrifuge tube water bath supporting device according to claim 1, wherein: keep away from one side of first motor cover (8) is located the bottom fixedly connected with flat board of fixed arm (28), L shaped plate (11) with two through holes have been seted up respectively to dull and stereotyped top, the equal sliding connection in inboard of through hole has slide bar (10), the equal fixedly connected with first motor (12) in bottom of slide bar (10), the equal fixedly connected with stopper (29) in slide bar (10) top.

7. The centrifuge tube water bath supporting device according to claim 1, wherein: placing groove (30) have been seted up to one side of placing the top of skeleton (1) and keeping away from time-recorder (6), the relative inboard fixedly connected with coil spring (21) of placing groove (30), the relative inboard fixedly connected with pivot (22) of coil spring (21), the outside of pivot (22) is provided with apron curtain (23), one side of apron curtain (23) is provided with window (24), one side that is located apron curtain (23) that is close to window (24) is provided with link (32), the both sides of apron curtain (23) are provided with link (32).

8. The centrifuge tube water bath supporting device according to claim 1, wherein: the waterproof layer is arranged on the outer side of the timer (6), and the hook (25) is matched with the hanging ring (32).

9. The centrifuge tube water bath supporting device according to claim 6, wherein: the L-shaped plate (11) is not in contact with the first side plate (2), and the flat plate is not in contact with the second side plate (26).

10. The centrifuge tube water bath supporting device according to claim 5, wherein: the outside symmetry of screw rod protection casing (27) has seted up the spout, lift slider (17) sliding connection is in the inboard of spout.

Technical Field

The invention belongs to the technical field of centrifugal tube water bath, and particularly relates to a centrifugal tube water bath supporting device.

Background

When DNA is extracted by a QIAGEN kit, cutting a sample, putting the sample into a centrifuge tube, adding 180 mu L ATL into the centrifuge tube, adding proteinase K, turning the tube upside down for 10 seconds, mixing the solution uniformly, turning the tube upside down for 10 seconds at 56 ℃ for 1 hour in water bath, mixing the solution uniformly every 10 minutes, then centrifuging the solution to throw the solution to the bottom, adding 200 mu L ATL into the tube, turning the tube upside down for 10 seconds, mixing the solution uniformly, turning the tube upside down for 10 minutes in water bath at 70 ℃, turning the tube upside down for 10 seconds every 3 minutes, centrifuging the solution to throw the solution to the bottom, and then carrying out subsequent operations; extract DNA earlier stage at QIAGEN kit, need overturn from top to bottom and water bath, and the centrifuging tube quantity that uses when carrying out the extraction of DNA at every turn is generally 6, 12, 24 and is different to can extract sufficient sample, when using the more centrifuging tube of quantity to extract DNA, the storage plate that can float on the surface of water of general use is equipped with a plurality of holes of placing the centrifuging tube on it, and inserts the centrifuging tube and carry out the water bath in the hole.

But need carry out the water bath and overturn from top to bottom in the earlier stage of DNA extraction to there is the time requirement, when using external clock or table meter usually, can lead to the error increase like this, make and draw effect greatly reduced, and current centrifuging tube places the board and is difficult for overturning, all by manual operation during general upset, can lead to dropping of centrifuging tube like this, so need a centrifuging tube water bath strutting arrangement.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the existing defects, and provide a centrifuge tube water bath supporting device to solve the problems that the centrifuge tube water bath supporting device provided in the background art needs to be subjected to water bath and turned over up and down in the early stage of DNA extraction, and has time requirements, and when an external clock or meter is generally used, the error is increased, so that the extraction effect is greatly reduced, and the centrifuge tube placing plate is not easy to turn over, and the centrifuge tube is generally manually operated during turning over, so that the centrifuge tube may fall off.

In order to achieve the purpose, the invention provides the following technical scheme: a centrifuge tube water bath supporting device comprises a placing framework, wherein lower mortise locks are arranged on two sides of the placing framework, a centrifuge tube placing plate is arranged on the inner side of the placing framework, an upper mortise lock is arranged on the top end of the centrifuge tube placing plate, the lower mortise lock and the upper mortise lock are fixedly connected through bolts, a plurality of accommodating holes are formed in the top end of the centrifuge tube placing plate, silica gel ring sleeves are arranged on the inner sides of the accommodating holes, elastic silica gel sleeves are arranged at the bottom end of the centrifuge tube placing plate and are arranged in one-to-one correspondence with the accommodating holes, lifting handles are symmetrically arranged at the top end of the centrifuge tube placing plate, a first side plate and a second side plate are fixedly connected to two sides of the placing framework respectively, a turnover mechanism is arranged on one side of the first side plate, and an L-shaped plate is fixedly connected to the bottom end of the turnover mechanism, one side fixedly connected with fixed arm of L shaped plate, the outside of fixed arm is provided with elevating system, the centre of placing skeleton top one side is provided with the time-recorder, the top symmetry of placing the skeleton is provided with the couple, place and seted up in the middle of the skeleton and place the notch, the length and the width of placing the notch bottom are less than the length and the width on top.

Preferably, the turnover mechanism comprises a first motor cover, a first motor, a rotating shaft and a fixing block, the first motor is fixedly connected inside the first motor cover, and one end of the rotating shaft is rotatably connected to one side of the fixing block.

Preferably, the fixed block is fixedly connected to the inner side of the fixed arm, the other end of the rotating shaft is fixedly connected to one side of the second side plate, the driving end of the first motor is fixedly connected to one side of the first side plate, and the first motor cover is fixedly connected to the top end of the L-shaped plate.

Preferably, the lifting mechanism comprises a second motor, a driving gear, a driven gear, a screw and a lifting slide block, the driving gear is fixedly connected to the driving end of the second motor, the driven gear is meshed with the outer side of the driving gear, the screw is fixedly connected to the middle of the driven gear, and the lifting slide block is in threaded connection with the outer side of the screw.

Preferably, the bottom fixedly connected with second motor cover of second motor, the bottom of screw rod is rotated and is connected in the inside bottom of second motor cover, one side fixed connection in one side of fixed arm of screw rod, the top fixedly connected with screw rod protection casing of second motor cover, the screw rod rotates and is connected in the inside top of screw rod protection casing, lifting slide block sliding connection is in the inboard of screw rod protection casing.

Preferably, one side of keeping away from first motor cover is located the bottom fixedly connected with flat board of fixed arm, the L shaped plate with two through holes have been seted up respectively to dull and stereotyped top, the equal sliding connection in inboard of through hole has the slide bar, the equal fixedly connected with first motor in bottom of slide bar, the equal fixedly connected with stopper in slide bar top.

Preferably, a placing groove is formed in one side, away from the timer, of the top end of the placing framework, a coil spring is fixedly connected to the inner side of the placing groove, a rotating shaft is fixedly connected to the inner side of the coil spring, a cover curtain is arranged on the outer side of the rotating shaft, a window is arranged on one side of the cover curtain, a hanging ring is arranged on one side, close to the window, of the cover curtain, and hanging rings are arranged on two sides of the cover curtain.

Preferably, the waterproof layer is arranged on the outer side of the timer, and the hook is matched with the hanging ring.

Preferably, the L-shaped plate and the first side plate are not in contact with each other, and the flat plate and the second side plate are not in contact with each other.

Preferably, the outer side of the screw rod protective cover is symmetrically provided with sliding grooves, and the lifting sliding block is connected to the inner side of the sliding grooves in a sliding mode.

Compared with the prior art, the invention provides a centrifugal tube water bath supporting device which has the following beneficial effects:

1. according to the invention, the lifting mechanism arranged in the second motor cover is used for starting the second motor in the lifting mechanism, the second motor drives the driving gear fixedly connected with the driving end to rotate, the driving gear drives the driven gear engaged and connected with the outer side to start rotating, the driven gear drives the screw rod fixedly connected with the middle to start rotating, the outer side of the screw rod is in threaded connection with the lifting slider, the outer side of the lifting slider is provided with an extending part, the lifting slider is connected to the inner side of the screw rod protective cover in a sliding manner, the lifting slider does lifting motion in the screw rod protective cover, one side of the lifting slider is fixedly connected with the fixed arm, and the first side plate and the second side plate are fixedly connected to the opposite inner sides of the fixed arm, so that the effect of lifting the placement framework and the centrifuge tube placement plate to carry out water bath can be achieved;

2. according to the invention, the turnover mechanisms are arranged on two sides of the placing framework, the first motor in the turnover mechanisms is started, the driving end of the first motor is fixedly connected to the middle of the first side plate, the first side plate is fixedly connected to one side of the placing framework, the second side plate is fixedly connected to the other side of the placing framework, the rotating shaft is fixedly connected to the middle of one side of the second side plate, the other end of the rotating shaft is rotatably connected to one side of the fixed block, the fixed block is fixedly connected to one side of the fixed arm, the driving end of the first motor drives the placing framework to start rotating, the placing framework drives the rotating shaft on the other side to start rotating, and thus the centrifuge tube placing plate and the centrifuge tube in the accommodating hole can achieve the turnover effect;

3. according to the centrifugal tube placing plate, the lifting handle and the upper mortise lock are arranged at the top end of the centrifugal tube placing plate, the lifting handle is turned out, the centrifugal tube placing plate can be lifted out from the interior of the placing framework through the lifting handle, so that the next batch of water bath centrifugal tubes can be replaced conveniently, the lower mortise locks are arranged on two sides of the placing framework and are arranged corresponding to the upper mortise lock, the lower mortise lock is turned into the interior of the upper mortise lock from one side of the lower mortise lock by using a screw rod, and the centrifugal tube placing plate is screwed down, so that the centrifugal tube placing plate can be fixed in the placing framework;

4. according to the invention, the timer is arranged on one side of the top end of the centrifuge tube placing plate, the overturning time can be set through the timer, the timer can be set to start to overturn after one hour when the water temperature is 56 ℃, the placing framework and the centrifuge tube placing plate are lifted by the lifting mechanism controlled by the timer to be higher than the water surface, then the overturning mechanism is started, so that the turnover mechanism does not contact the water surface during overturning, the turnover is stopped after the set overturning time is reached, the centrifuge tube placing plate is lowered to the original position by the lifting mechanism to continue water bath, and thus the effect of automatic overturning can be achieved;

5. the invention can adapt to various centrifuge tubes by arranging the plurality of elastic silica gel sleeves at the bottom end of the centrifuge tube placing plate, and the centrifuge tube can be fixed by the elastic silica gel sleeves with the self-contraction performance, a plurality of accommodating holes are arranged at the top end of the centrifuge tube placing plate, and a silica gel ring sleeve is arranged at the inner side of each accommodating hole so as to fix the top end of the centrifuge tube, a placing groove is arranged on one side of the top end of the centrifuge tube placing plate, a coil spring, a rotating shaft and a cover curtain are arranged in the placing groove, the cover curtain is pulled out from the inside of the placing groove, a hanging ring is arranged on the outer side of the cover curtain, the hanging ring corresponds to the hook and is connected with the hook, can place the top of board with the centrifuge tube and seal, and the spring can give a resilience force of apron curtain, make the cover effect of apron curtain better like this, seted up the window in one side of apron curtain, can follow the window and observe the time-recorder.

The device has the advantages that the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention without limiting the invention in which:

fig. 1 is a schematic perspective view of a centrifuge tube water bath support device according to the present invention;

FIG. 2 is a schematic perspective view of a turnover mechanism in the centrifugal tube water bath support device provided by the invention;

fig. 3 is a schematic perspective view of a lifting mechanism in a centrifuge tube water bath supporting device according to the present invention;

fig. 4 is a schematic diagram of an explosion three-dimensional structure of a placing framework and a centrifuge tube placing plate in the centrifuge tube water bath supporting device provided by the invention;

FIG. 5 is a schematic diagram of an internal structure of a second motor cover in the centrifuge tube water bath supporting device according to the present invention;

FIG. 6 is an enlarged view of A in FIG. 2;

fig. 7 is a schematic top view of a placing framework and a centrifuge tube placing plate in the centrifuge tube water bath supporting device according to the present invention;

FIG. 8 is a schematic structural view of a cover curtain in the centrifugal tube water bath supporting device according to the present invention;

in the figure: place skeleton 1, first curb plate 2, lower mortise lock 3, board 4 is placed to the centrifuging tube, promote handle 5, time-recorder 6, elastic silica gel cover 7, first motor cover 8, second motor cover 9, slide bar 10, L shaped plate 11, first motor 12, second motor 13, driving gear 14, driven gear 15, screw rod 16, lift slider 17, axis of rotation 18, fixed block 19, go up mortise lock 20, wind spring 21, pivot 22, cover curtain 23, window 24, couple 25, second curb plate 26, screw rod protection casing 27, fixed arm 28, stopper 29, standing groove 30, accomodate hole 31, link 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a water bath supporting device for centrifuge tubes comprises a placing framework 1, wherein lower mortise locks 3 are arranged on two sides of the placing framework 1, a centrifuge tube placing plate 4 is arranged on the inner side of the placing framework 1, an upper mortise lock 20 is arranged on the top end of the centrifuge tube placing plate 4, the lower mortise locks 3 and the upper mortise locks 20 are fixedly connected through bolts, a plurality of accommodating holes 31 are formed in the top end of the centrifuge tube placing plate 4, silica gel ring sleeves are arranged on the inner sides of the accommodating holes 31, elastic silica gel sleeves 7 are arranged at the bottom end of the centrifuge tube placing plate 4, the elastic silica gel sleeves 7 and the accommodating holes 31 are arranged in a one-to-one correspondence manner, lifting handles 5 are symmetrically arranged on the top end of the centrifuge tube placing plate 4, a first side plate 2 and a second side plate 26 are respectively and fixedly connected to two sides of the placing framework 1, a turnover mechanism is arranged on one side of the first side plate 2, an L-shaped plate 11 is fixedly connected to the bottom end of the turnover mechanism, and a fixed arm 28 is fixedly connected to one side of the L-shaped plate 11, the outside of fixed arm 28 is provided with elevating system, the centre of placing skeleton 1 top one side is provided with time-recorder 6, the top symmetry of placing skeleton 1 is provided with couple 25, place skeleton 1 centre and seted up and place the notch, the length and the width of placing the notch bottom are less than the length and the width on top, the restriction of length and width, can let the centrifuging tube place board 4 can not fall out from the bottom after putting into the inside of placing skeleton 1, the lower mortise lock 3 and the last mortise lock 20 of setting can not let the centrifuging tube place board 4 and fall out from the top when the upset through the screw rod is fixed.

In the invention, preferably, the turnover mechanism comprises a first motor cover 8, a first motor 12, a rotating shaft 18 and a fixing block 19, the first motor 12 is fixedly connected inside the first motor cover 8, one end of the rotating shaft 18 is rotatably connected to one side of the fixing block 19, and the placing framework 1 and the centrifuge tube placing plate 4 can be driven to turn over through the turnover mechanism, so that the centrifuge tube inside the elastic silica gel sleeve 7 can be turned over.

In the present invention, it is preferable that the fixing block 19 is fixedly connected to the inner side of the fixing arm 28, the other end of the rotating shaft 18 is fixedly connected to one side of the second side plate 26, the driving end of the first motor 12 is fixedly connected to one side of the first side plate 2, and the first motor cover 8 is fixedly connected to the top end of the L-shaped plate 11.

In the invention, preferably, the lifting mechanism comprises a second motor 13, a driving gear 14, a driven gear 15, a screw 16 and a lifting slider 17, the driving gear 14 is fixedly connected to the driving end of the second motor 13, the driven gear 15 is engaged and connected to the outer side of the driving gear 14, the screw 16 is fixedly connected to the middle of the driven gear 15, the lifting slider 17 is connected to the outer side of the screw 16 in a threaded manner, the placing framework 1, the centrifuge tube placing plate 4 and the centrifuge tube can be far away from the water surface through the lifting mechanism, and then the centrifuge tube can be turned over, so that excessive water is prevented from being contacted in the turning process.

In the present invention, preferably, the bottom end of the second motor 13 is fixedly connected with the second motor cover 9, the bottom end of the screw 16 is rotatably connected to the bottom end inside the second motor cover 9, one side of the screw 16 is fixedly connected to one side of the fixed arm 28, the top end of the second motor cover 9 is fixedly connected with the screw protection cover 27, the screw 16 is rotatably connected to the top end inside the screw protection cover 27, and the lifting slider 17 is slidably connected to the inside of the screw protection cover 27.

In the invention, preferably, a flat plate is fixedly connected to the bottom end of the fixing arm 28 at one side far away from the first motor cover 8, two through holes are respectively formed in the top ends of the L-shaped plate 11 and the flat plate, slide rods 10 are slidably connected to the inner sides of the through holes, the bottom ends of the slide rods 10 are fixedly connected to the first motor 12, the top ends of the slide rods 10 are fixedly connected to the limiting blocks 29, the slide rods 10 can provide a supporting function for the whole body, and can assist the lifting mechanism to complete the lifting process.

In the invention, preferably, a placing groove 30 is formed in one side of the top end of the placing framework 1, which is far away from the timer 6, a coil spring 21 is fixedly connected to the opposite inner side of the placing groove 30, a rotating shaft 22 is fixedly connected to the opposite inner side of the coil spring 21, a cover curtain 23 is arranged on the outer side of the rotating shaft 22, a window 24 is arranged on one side of the cover curtain 23, a hanging ring 32 is arranged on one side, which is close to the window 24, of the cover curtain 23, hanging rings 32 are arranged on two sides of the cover curtain 23, the centrifugal tube can be completely covered through the cover curtain 23, so that sundries are prevented from entering, and the cover curtain 23 can be hooked with the hook 25 through the hanging rings 32 in a matching manner, so as to fix the cover curtain 23.

In the invention, preferably, a waterproof layer is arranged on the outer side of the timer 6, the hook 25 is matched with the hanging ring 32, the L-shaped plate 11 is not in contact with the first side plate 2, the flat plate is not in contact with the second side plate 26, sliding grooves are symmetrically formed in the outer side of the screw protection cover 27, and the lifting slide block 17 is slidably connected to the inner side of the sliding grooves.

The working principle and the using process of the invention are as follows: when the centrifuge tube cover is used, a centrifuge tube is placed into the elastic silica gel sleeve 7 from the accommodating hole 31 formed in the top end of the centrifuge tube placing plate 4, the elastic silica gel sleeve 7 can adapt to various centrifuge tubes, the elastic silica gel sleeve 7 has contraction performance, the silica gel ring sleeve is arranged on the inner side of the accommodating hole 31, so that the top end of the centrifuge tube can be fixed, the placing groove 30 is arranged on one side of the top end of the centrifuge tube placing plate 4, the coil spring 21, the rotating shaft 22 and the cover curtain 23 are arranged in the placing groove 30, the cover curtain 23 is pulled out from the inside of the placing groove 30, the hanging ring 32 is arranged on the outer side of the cover curtain 23, the hanging ring 32 corresponds to the hook 25, the hanging ring 32 is connected with the hook 25, so that the top end of the centrifuge tube placing plate 4 can be sealed, the coil spring 21 can provide resilience force for the cover curtain 23, so that the cover effect of the cover curtain 23 is better, the timer 24 is arranged on one side of the cover curtain 23, and the timer 6 can be observed from the window 24, then, through the timer 6 arranged on one side of the top end of the centrifugal tube placing plate 4, the turning time can be set through the timer 6, when the water temperature is 56 degrees, the timer can be set to start turning after one hour, the lifting mechanism is controlled by the timer to lift the placing framework 1 and the centrifugal tube placing plate 4, the second motor 13 in the lifting mechanism is started, the second motor 13 drives the driving gear 14 fixedly connected with the driving end to rotate, the driving gear 14 drives the driven gear 15 connected with the outer side in a meshed mode to start rotating, the driven gear 15 drives the screw 16 fixedly connected with the middle to start rotating, the outer side of the screw 16 is in threaded connection with the lifting slider 17, the outer side of the lifting slider 17 is provided with an extending part, the lifting slider 17 is in sliding connection with the inner side of the screw protection cover 27, the lifting slider 17 does lifting motion in the screw protection cover 27, one side of the lifting slider 17 is fixedly connected with the fixed arm 28, the first side plate 2 and the second side plate 26 are fixedly connected to the opposite inner sides of the fixing arms 28, so that the effect of lifting the placing framework 1 and the centrifuge tube placing plate 4 to carry out water bath can be achieved, the water bath is higher than the water surface, then the turnover mechanism is started, the first motor 12 in the turnover mechanism is started, the driving end of the first motor 12 is fixedly connected to the middle of the first side plate 2, the first side plate 2 is fixedly connected to one side of the placing framework 1, the second side plate 26 is fixedly connected to the other side of the placing framework 1, the rotating shaft 18 is fixedly connected to the middle of one side of the second side plate 26, the other end of the rotating shaft 18 is rotatably connected to one side of the fixing block 19, the fixing block 19 is fixedly connected to one side of the fixing arms 28, the driving end of the first motor 12 drives the placing framework 1 to start rotating, the placing framework 1 drives the rotating shaft 18 on the other side to start rotating, and thus the centrifuge tube placing plate 4 and the centrifuge tube inside the containing hole 31 can achieve the turnover effect, thus, the water surface can not be contacted during overturning, the first motor 12 is fixedly connected to the inner bottom end of the first motor cover 8, the first motor cover 8 is fixedly connected to the top end of the L-shaped plate 11, two through holes are formed in the two sides of the first motor cover 8 and positioned at the top end of the L-shaped plate 11, a sliding rod 10 is connected to the inner sides of the through holes in a sliding manner, the L-shaped plate 11 is not contacted with the first side plate 2, the overturning mechanism is prevented from being interfered, a flat plate is fixedly connected to the bottom end of the fixing arm 28 on one side of the first motor cover 8 according to the principle, the through holes are formed in the top end of the flat plate, the sliding rods 10 are connected to the inner sides of the through holes in a sliding manner, the sliding rods 10 are all fixedly connected to the top end of the first motor 12, the placing framework 1 and the centrifuge tube placing plate 4 can be lifted and stabilized through the arranged sliding rods 10, when the set overturning time is reached, overturning is stopped, the centrifuge tube placing plate 4 is lowered to the original position through the lifting mechanism to continue water bath, just so can reach the effect of automatic upset, if after the water bath, place promotion handle 5 and last mortise lock 20 that the top of board 4 set up at the centrifuging tube, will promote handle 5 and roll out, can place board 4 from the inside of placing skeleton 1 through promoting handle 5 with the centrifuging tube and propose, be convenient for change next batch water bath centrifuging tube like this, be provided with mortise lock 3 down in the both sides of placing skeleton 1, and mortise lock 3 corresponds the setting with last mortise lock 20 down, use the screw rod to change over to the inside of last mortise lock 20 from one side of lower mortise lock 3, screw up, such structure is provided with everywhere, can reach and place board 4 with the centrifuging tube and fix the effect of placing skeleton 1 inside, can reach the effect of automatic timing upset like this, make the water bath time more accurate, improve the work efficiency of centrifuging tube water bath.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.