阅读说明：本技术 一种基于离心力甩干的生物试剂试管夹持装置 (Biological reagent test tube clamping device based on centrifugal force spin-dries ) 是由 罗恒 于 2021-08-16 设计创作，主要内容包括：本发明涉及生物技术领域,且公开了一种基于离心力甩干的生物试剂试管夹持装置,包括保护壳,所述保护壳的内部包含有升降拉伸机构,所述升降拉伸机构的内部连接有扇形轮,所述扇形轮的外部连接有弧形铰接杆,所述弧形铰接杆的外部连接有拉杆,所述扇形轮的外部连接有固定块。该装置具有可在试管倒置放置时通过离心力加速试管内部的液体流出,并且保持试管被稳固的夹持住,而不会被甩出去导致试管碎裂的优点。(The invention relates to the technical field of biology, and discloses a biological reagent test tube clamping device based on centrifugal force spin-drying, which comprises a protective shell, wherein a lifting and stretching mechanism is arranged in the protective shell, a sector wheel is connected in the lifting and stretching mechanism, an arc-shaped hinge rod is connected outside the sector wheel, a pull rod is connected outside the arc-shaped hinge rod, and a fixed block is connected outside the sector wheel. The device has can invert when placing through the test tube and flow out through the inside liquid of centrifugal force acceleration test tube to keep the test tube by firm centre gripping, and can not thrown away and lead to the cracked advantage of test tube.)

1. The utility model provides a biological reagent test tube clamping device based on centrifugal force spin-dries, includes protective housing (1), its characterized in that: the inside of protective housing (1) includes lift tension mechanism (2), the internal connection of lift tension mechanism (2) has fan-shaped wheel (21), the external connection of fan-shaped wheel (21) has arc articulated rod (22), the external connection of arc articulated rod (22) has pull rod (23), the external connection of fan-shaped wheel (21) has fixed block (24).

2. The centrifugal force spin-drying-based biological reagent test tube clamping device as claimed in claim 1, wherein: the inside of protective housing (1) still includes negative pressure fixture (3), the inside swing joint of negative pressure fixture (3) has connecting block (31), the inside swing joint of connecting block (31) has ejector pad (32), the upper end swing joint of ejector pad (32) has push rod (33), the upper end swing joint of push rod (33) has piston plate (34), atmospheric pressure chamber (35) have been cup jointed to the outside of piston plate (34), the lower part swing joint of atmospheric pressure chamber (35) has sucking disc (36), the outside swing joint of atmospheric pressure chamber (35) has outlet duct (37), the outside swing joint of outlet duct (37) has exhaust chamber (38), the inside swing joint of exhaust chamber (38) has jam pole (39).

3. The biological reagent test tube clamping device based on centrifugal force spin-drying of claim 2, wherein: the negative pressure clamping mechanisms (3) are provided with two groups and are respectively positioned on the left side and the right side of the test tube.

4. The centrifugal force spin-drying-based biological reagent test tube clamping device as claimed in claim 1, wherein: the outside swing joint of negative pressure fixture (3) has bracing piece (4), the outside swing joint of bracing piece (4) has places case (5), the inside swing joint who places case (5) has bayonet socket (6), the inside swing joint of bayonet socket (6) has buffering cardboard (7).

5. The centrifugal force spin-drying-based biological reagent test tube clamping device according to claim 4, wherein: the outside swing joint who places case (5) has rotation axle center (8), the outside swing joint who rotates axle center (8) has rotation axis (9), the outside swing joint who places case (5) has reset buffer spring (10).

6. The centrifugal force spin-drying-based biological reagent test tube clamping device as claimed in claim 1, wherein: the pull rod (23) is connected with the outside of the placing box (5).

7. The centrifugal force spin-drying-based biological reagent test tube clamping device as claimed in claim 1, wherein: a water leakage hole (11) is formed in the protective shell (1), and a water outlet plug (12) is arranged in the water leakage hole (11).

8. The centrifugal force spin-drying-based biological reagent test tube clamping device as claimed in claim 1, wherein: the fan-shaped wheel (21) and the outer part of the rotating shaft (9) are both connected with motors.

9. The centrifugal force spin-drying-based biological reagent test tube clamping device as claimed in claim 1, wherein: the length of the placing box (5) is matched with the radius of the protective shell (1).

Technical Field

The invention relates to the technical field of biology, in particular to a biological reagent test tube clamping device based on centrifugal force spin-drying.

Background

Biotechnology is a technology that applies the basic principles of biology, chemistry and engineering, uses organisms or their components to produce useful substances, or provides a certain service for human beings, and test tubes are inevitably used in the development process of biotechnology.

The test tube need be deposited in on the test-tube rack after the washing is accomplished, in order to make things convenient for taking and using the test tube, and current test-tube rack is static to depositing of test tube usually when using, some test tubes are inside to contain liquid after the washing is accomplished, liquid remains inside, easily breed the germ for a long time, and then influence the experiment, some test tubes though can invert on the test-tube rack, but liquid is comparatively lengthy by the inside natural outflow of test tube, need be when using repeatedly the test tube in the short time, then be unfavorable for the inside liquid of test tube in time to flow out and use.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a biological reagent test tube clamping device which is dried by centrifugal force, and the device has the advantages that when a test tube is placed upside down, the liquid in the test tube can be accelerated to flow out by the centrifugal force, and the test tube is kept to be stably clamped and cannot be thrown out to cause the test tube to be broken.

Technical scheme

In order to realize the advantages, the invention provides the following technical scheme: the utility model provides a biological reagent test tube clamping device based on centrifugal force spin-dries, includes the protective housing, the inside of protective housing includes lift tension mechanism, lift tension mechanism's internal connection has fan-shaped wheel, the external connection of fan-shaped wheel has the arc articulated arm, the external connection of arc articulated arm has the pull rod, the external connection of fan-shaped wheel has the fixed block.

Preferably, the inside of protective housing still includes negative pressure fixture, negative pressure fixture's inside swing joint has the connecting block, the inside swing joint of connecting block has the ejector pad, the upper end swing joint of ejector pad has the push rod, the upper end swing joint of push rod has the piston plate, the atmospheric pressure chamber has been cup jointed to the outside of piston plate, the lower part swing joint in atmospheric pressure chamber has the sucking disc, the outside swing joint in atmospheric pressure chamber has the outlet duct, the outside swing joint of outlet duct has the exhaust chamber, the inside swing joint in exhaust chamber has the jam pole.

Preferably, the negative pressure fixture is provided with two sets of, and is located the left and right sides of test tube respectively.

Preferably, the outside swing joint of negative pressure fixture has the bracing piece, the outside swing joint of bracing piece has places the case, the inside swing joint who places the case has the bayonet socket, the inside swing joint of bayonet socket has the buffering cardboard.

Preferably, the outside swing joint of placing the case has the rotation axis, the outside swing joint of rotation axis has the rotation axis, the outside swing joint of placing the case has reset buffer spring.

Preferably, the draw bar is connected to the outside of the placing case.

Preferably, the protective shell is internally provided with a water leakage hole, and the water leakage hole is internally provided with a water outlet plug.

Preferably, the sector wheel and the outer part of the rotating shaft are both connected with a motor (3IK15 RGN-C).

Preferably, the length of the placing box is matched with the radius of the protective shell.

Advantageous effects

Compared with the prior art, the invention provides a biological reagent test tube clamping device based on centrifugal force spin-drying, which has the following beneficial effects:

1. this biological reagent test tube clamping device based on centrifugal force spin-dries, thereby it makes the arc articulated arm to the anticlockwise motion to drive the fan-shaped wheel rotation through the motor, thereby make the pull rod drive and place the case and from the horizontality pulling to erect and put the state, thereby make things convenient for the staff to insert the test tube and place the case, and after inserting finishing, thereby rethread motor reversal drives and places the case and switch to the horizontality, thereby make the test tube be in decurrent state of falling, thereby make the liquid in the test tube flow out more easily, the rotation axis begins to rotate under the drive of below motor and produce centrifugal force and accelerate the inside liquid of test tube to flow out from test tube mouth department, prevent the effect of breeding of inside bacterium.

2. This biological reagent test tube clamping device based on centrifugal force spin-dries, through the outside ejector pad of promotion connecting block, thereby make the push rod that the ejector pad upper end is connected move to atmospheric pressure intracavity portion, thereby make the piston board of push rod upper end also upward movement, and the diameter of piston board and the diameter looks adaptation in atmospheric pressure chamber, and be connected with the sucking disc through the pipeline in the bottom in atmospheric pressure chamber, make the inside air of pipeline take away when the piston board upward movement, thereby make the inside negative pressure that forms of sucking disc adsorb the test tube, and the sucking disc is provided with two sets ofly, adsorb the stability with the test tube, thereby prevent to make the test tube take place to drop and lead to the test tube to take place cracked effect at rotatory in-process.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the placing box of the present invention;

FIG. 3 is a schematic view of part A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the lifting and pulling mechanism of the present invention.

In the figure: 1. a protective shell; 2. a lifting and stretching mechanism; 21. a sector wheel; 22. an arc-shaped hinge rod; 23. a pull rod; 24. a fixed block; 3. a negative pressure clamping mechanism; 31. connecting blocks; 32. a push block; 33. a push rod; 34. a piston plate; 35. a pneumatic chamber; 36. a suction cup; 37. an air outlet pipe; 38. an exhaust chamber; 39. a jamming rod; 4. a support bar; 5. placing a box; 6. a bayonet; 7. a buffer clamping plate; 8. rotating the axis; 9. a rotating shaft; 10. a return buffer spring; 11. a water leakage hole; 12. and (4) a water outlet plug.

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.

The first embodiment is as follows:

referring to fig. 1 and 4, a biological reagent test tube clamping device spin-dried based on centrifugal force comprises a protective housing 1, the protective housing 1 includes a lifting and stretching mechanism 2, the lifting and stretching mechanism 2 is connected with a sector wheel 21, the sector wheel 21 is connected with an arc-shaped hinge rod 22, the arc-shaped hinge rod 22 is connected with a pull rod 23, the sector wheel 21 is connected with a fixed block 24, the negative pressure clamping mechanism 3 is movably connected with a support rod 4, the support rod 4 is movably connected with a placing box 5, the placing box 5 is movably connected with a bayonet 6, the bayonet 6 is movably connected with a buffer clamp plate 7, the placing box 5 is movably connected with a rotation axis 8, the rotation axis 8 is movably connected with a rotation axis 9, the placing box 5 is movably connected with a reset buffer spring 10, the pull rod 23 is connected with the outside of the placing box 5, the hole 11 that leaks has been seted up to the inside of protective housing 1, and the inside in hole 11 that leaks is provided with out water stopper 12, and fan-shaped wheel 21 all is connected with the motor with the outside of rotation axis 9, places the length of case 5 and the radius looks adaptation of protective housing 1.

The motor drives the rotation of fanning wheel 21 thereby to make arc articulated arm 22 to anticlockwise motion, thereby make pull rod 23 drive and place case 5 from the horizontality pulling to erect and put the state, thereby make things convenient for the staff to insert the test tube and place case 5 in, and after inserting finishing, thereby rethread motor reversal drives and places case 5 and switch to the horizontality, thereby make the test tube be in decurrent inversion state, thereby make the liquid in the test tube more flow out easily, rotation axis 9 begins the rotation under the drive of below motor and produces centrifugal force and accelerate the inside liquid of test tube to flow out from test tube mouth department, prevent the effect of breeding of inside bacterium.

Example two:

referring to fig. 1 and 3, a biological reagent test tube clamping device spin-dried based on centrifugal force, the interior of a protective shell 1 further includes two groups of negative pressure clamping mechanisms 3, the negative pressure clamping mechanisms 3 are respectively located at the left and right sides of a test tube, the interior of the negative pressure clamping mechanism 3 is movably connected with a connecting block 31, the interior of the connecting block 31 is movably connected with a push block 32, the upper end of the push block 32 is movably connected with a push rod 33, the upper end of the push rod 33 is movably connected with a piston plate 34, the exterior of the piston plate 34 is sleeved with an air pressure chamber 35, the lower portion of the air pressure chamber 35 is movably connected with a suction cup 36, the exterior of the air pressure chamber 35 is movably connected with an air outlet pipe 37, the exterior of the air outlet pipe 37 is movably connected with an air outlet chamber 38, the interior of the air outlet chamber 38 is movably connected with a blocking rod 39, the exterior of the negative pressure clamping mechanism 3 is movably connected with a support rod 4, the exterior of the support rod 4 is movably connected with a placing box 5, place the inside swing joint of case 5 and have bayonet socket 6, the inside swing joint of bayonet socket 6 has buffering cardboard 7, the outside swing joint of placing case 5 has rotation axle center 8, the outside swing joint of rotation axle center 8 has rotation axis 9, the outside swing joint of placing case 5 has buffer spring 10 that resets, pull rod 23 is connected with the outside of placing case 5, the hole 11 that leaks has been seted up to the inside of protective housing 1, the inside in hole 11 that leaks is provided with out water stopper 12, fan-shaped wheel 21 all is connected with the motor with the outside of rotation axis 9, the length of placing case 5 and the radius looks adaptation of protective housing 1.

When the test tube is inserted into the bayonet 6 in the placing box 5, push the push block 32 outside the connecting block 31, thereby make the push rod 33 connected with the upper end of the push block 32 move towards the inside of the air pressure cavity 35, thereby make the piston plate 34 at the upper end of the push rod 33 also move upwards, and the diameter of the piston plate 34 is matched with the diameter of the air pressure cavity 35, and the bottom end of the air pressure cavity 35 is connected with the suction cup 36 through the pipeline, when the piston plate 34 moves upwards, the air in the pipeline is pumped away, thereby the test tube is sucked by the negative pressure formed in the suction cup 36, and the suction cups 36 are provided with two groups, the test tube is stably sucked, thereby preventing the test tube from falling off in the rotating process, and further preventing the test tube from being cracked

Example three:

referring to fig. 1-4, a biological reagent test tube clamping device spin-dried based on centrifugal force comprises a protective housing 1, the interior of the protective housing 1 comprises a lifting and stretching mechanism 2, the interior of the lifting and stretching mechanism 2 is connected with a sector wheel 21, the exterior of the sector wheel 21 is connected with an arc-shaped hinge rod 22, the exterior of the arc-shaped hinge rod 22 is connected with a pull rod 23, the exterior of the sector wheel 21 is connected with a fixed block 24, the interior of the protective housing 1 further comprises negative pressure clamping mechanisms 3, the negative pressure clamping mechanisms 3 are provided with two groups and respectively located at the left side and the right side of a test tube, the interior of the negative pressure clamping mechanism 3 is movably connected with a connecting block 31, the interior of the connecting block 31 is movably connected with a push block 32, the upper end of the push block 32 is movably connected with a push rod 33, the upper end of the push rod 33 is movably connected with a piston plate 34, the exterior of the piston plate 34 is sleeved with an air pressure chamber 35, the lower part of the air pressure chamber 35 is movably connected with a suction cup 36, the outside swing joint of atmospheric pressure chamber 35 has outlet duct 37, the outside swing joint of outlet duct 37 has exhaust chamber 38, the inside swing joint of exhaust chamber 38 has blocking rod 39, the outside swing joint of negative pressure fixture 3 has bracing piece 4, the outside swing joint of bracing piece 4 has places case 5, the inside swing joint of placing case 5 has bayonet 6, the inside swing joint of bayonet 6 has buffering cardboard 7, the outside swing joint of placing case 5 has rotation axis 8, the outside swing joint of rotation axis 8 has rotation axis 9, the outside swing joint of placing case 5 has reset buffer spring 10, pull rod 23 is connected with the outside of placing case 5, the hole 11 that leaks has been seted up to the inside of protective housing 1, the inside in hole 11 that leaks is provided with out water stopper 12, fan-shaped wheel 21 all is connected with the motor with the outside of rotation axis 9, the length of placing case 5 and the radius looks adaptation of protective housing 1.

The working principle is as follows: when the device is used, a motor is connected with a power supply, a fixed block 24 is fixedly connected to the outer portion of the upper end of a rotating shaft 9, a sector wheel 21 is movably connected to the outer portion of the fixed block 24, a motor is movably connected to the outer portion of the sector wheel 21, an arc-shaped hinge rod 22 is movably connected to the outer portion of the sector wheel 21, a pull rod 23 is movably connected to the bottom end of the arc-shaped hinge rod 22, the outer portion of the pull rod 23 is connected with the top of a placing box 5, when a test tube needs to be inserted into the placing box 5, the sector wheel 21 is driven to rotate through the motor, so that the arc-shaped hinge rod 22 moves in the counterclockwise direction, the pull rod 23 drives the placing box 5 to be pulled from the horizontal state to the vertical state, so that a worker can conveniently insert the test tube into the placing box 5, after the test tube is inserted, the electric motor is rotated reversely to drive the placing box 5 to be switched to the horizontal state, so that the test tube is in the downward reverse state, thereby the liquid in the test tube can flow out more easily.

When the test tube is inserted into the bayonet 6 inside the placing box 5, the pushing block 32 outside the connecting block 31 is pushed, so that the pushing rod 33 connected with the upper end of the pushing block 32 moves towards the inside of the air pressure cavity 35, so that the piston plate 34 at the upper end of the pushing rod 33 also moves upwards, the diameter of the piston plate 34 is matched with that of the air pressure cavity 35, the bottom end of the air pressure cavity 35 is connected with the sucking disc 36 through the pipeline, when the piston plate 34 moves upwards, air in the pipeline is sucked away, so that negative pressure is formed in the sucking disc 36 to suck the test tube, the sucking discs 36 are provided with two groups, the test tube is stably sucked, the test tube is prevented from falling off in the rotating process, the test tube is prevented from being cracked, meanwhile, the rotating shaft 9 starts to rotate under the driving of the motor below, so that centrifugal force is generated, liquid in the test tube is accelerated to flow out from the test tube opening, and the breeding of internal bacteria is prevented, and the liquid falls inside the protective case 1, and when accumulated to a certain extent, the liquid is collected and treated from the water leakage holes 11 intensively by opening the water outlet plugs 12.

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.