CN214716752U - Eight-channel pipettor capable of being used for liquid taking of test tube rack - Google Patents

Abstract

The utility model relates to a clinical molecular biology and clinical immunology technical field just disclose an eight way pipettors that can be used to test-tube rack and get liquid, including the pipettor bottom, the bottom movable mounting of pipettor bottom has the suction head. This can be used to eight pipettors that test-tube rack got liquid, the butt joint is installed fast with the pipettor bottom through agreeing with the piece and agreeing with the groove in the pipettor top of being convenient for, flexible post stretches out and draws back in the inside of telescopic hole through expanding spring's elasticity, the limiting plate prevents its condition that breaks away from with the spacing groove from appearing, flexible post runs through the jack, thereby fix pipettor bottom and pipettor top, be convenient for rapidly remove fixedly through pressing flexible post simultaneously, dismantle it, utilize fixation nut to lock flexible post, prevent that it from appearing becoming flexible in the use, it is more stable with being connected at pipettor top, utilize eight suction heads directly to extract the test tube on the test-tube rack, reduce operation steps, it is more convenient to use.

Description

Eight-channel pipettor capable of being used for liquid taking of test tube rack

Technical Field

The utility model relates to a clinical molecular biology and clinical immunology technical field specifically are eight pipettors that can be used to test-tube rack and get liquid.

Background

The pipettor is also called a pipette gun, and is a device for quantitatively transferring liquid, when research on analysis and test is performed, a small amount or trace amount of liquid is generally transferred by using the pipettor (pipette), the pipettor can be divided into an Air-displacement pipette (Air-displacement pipette) and an external-displacement pipette (Positive-displacement pipette) according to the principle, the Air-displacement pipette is mainly used for standard pipetting, the external-displacement pipette is mainly used for treating special liquids which are volatile, easy to corrode, viscous and the like, and many people can ignore the correct use method and some detailed operations of the pipettor.

At present, need utilize the pipettor to shift detection liquid at the biological detection in-process, nevertheless fix through threaded connection's mode between the upper and lower two parts of current pipettor, because the pipettor of lower part has certain weight, appear connecting unstable condition easily, lead to upper and lower two parts to appear separating and rock, influence its normal use, be not convenient for simultaneously between directly taking a sample to the detection liquid on the test-tube rack, so propose one kind and can be used to eight pipettors of test-tube rack liquid taking and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an eight pipettors that can be used to test-tube rack gets liquid possesses advantages such as stability is strong and convenient to use, has solved about the current pipettor between the two parts fix through threaded connection's mode, because the pipettor of lower part has certain weight, appears connecting unstable condition easily, leads to the upper and lower two parts to appear separating and rock, influences its normal use, is not convenient for simultaneously between directly carry out the problem of taking a sample to the detection liquid on the test-tube rack.

(II) technical scheme

For the purpose that realizes above-mentioned stability is strong and convenient to use, the utility model provides a following technical scheme: an eight-channel pipettor capable of being used for a test tube rack to take liquid comprises a pipettor bottom, wherein a suction head is movably mounted at the bottom of the pipettor bottom, a connecting seat is fixedly connected to the top of the pipettor bottom, conjunction grooves are formed in the inner walls of the left side and the right side of the connecting seat, jacks are formed in the left side and the right side of the connecting seat, the pipettor top extending into the pipettor bottom is inserted into the connecting seat, conjunction blocks are fixedly connected to the left side and the right side of the pipettor top, telescopic holes extending into the pipettor top are formed in the two conjunction blocks, the telescopic holes are formed in the inner top wall and the inner bottom wall, a telescopic spring is movably mounted in each telescopic hole, one end, away from the top of the pipettor, of the telescopic spring is fixedly connected with a limiting plate extending into the limiting groove, and one side, away from the telescopic spring, of the limiting plate is fixedly connected with a telescopic column, the outer threaded connection of flexible post has the fixed nut that is located the connecting seat outside, the outside cover at pipettor top is equipped with the dactylotheca, the top movable mounting at pipettor top has the pressing post.

Preferably, the bottom of the pipettor is movably provided with eight suckers, the spacing between the eight suckers is the same as that of the test tube rack placing holes, and the maximum volume capacity of the suckers is 200 muL.

Preferably, the fitting groove is matched with the fitting block in size, and the fitting block is movably connected with the connecting seat through the fitting groove.

Preferably, the size of the limiting plate is matched with that of the limiting grooves, and the upper side and the lower side of the limiting plate respectively extend into the two limiting grooves.

Preferably, the diameter of the insertion hole is larger than that of the telescopic column, and the telescopic column extends to the outside of the connecting seat through the insertion hole.

Preferably, the outside of flexible post is seted up with the thread groove of fixed nut inner wall looks adaptation, and fixed nut passes through thread groove and flexible post threaded connection.

(III) advantageous effects

Compared with the prior art, the utility model provides an eight way pipettors that can be used to test-tube rack gets liquid possesses following beneficial effect:

the eight-channel pipettor capable of being used for the test tube rack to take liquid is characterized in that a connecting seat and a fit groove are arranged at the top of the bottom of the pipettor, the left side and the right side of the top of the pipettor are respectively provided with a fit block, the top of the pipettor can be conveniently and rapidly installed and butted with the bottom of the pipettor through the fit block and the fit groove, a telescopic hole, a limit groove, a telescopic spring, a limit plate and a telescopic column are arranged on the fit block, the telescopic column can be conveniently and rapidly stretched in the telescopic hole through the elasticity of the telescopic spring, the limit plate and the limit groove can prevent the separation, jacks are arranged at the left side and the right side of the connecting seat, the telescopic column can conveniently penetrate through the jacks, so that the bottom of the pipettor and the top of the pipettor can be fixed, meanwhile, the telescopic column can be conveniently and rapidly released from being fixed by pressing the telescopic column, the liquid can be disassembled, a fixing nut is connected through external threads of the telescopic column, and is convenient for locking the telescopic column by utilizing the fixing nut, prevent that it from appearing not hard up in the use, make pipettor bottom and pipettor top be connected more stably, be provided with quantity through the bottom at pipettor top and be eight suction heads, and the interval between eight suction heads is the same with the interval that the hole was placed to the test-tube rack, is convenient for utilize the test tube of eight suction heads directness on to the test-tube rack to extract, reduces operating procedure, and it is more convenient to use, has reached the strong and convenient to use's of stability purpose.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view of the structure a in fig. 1 according to the present invention.

In the figure: the device comprises a liquid transfer machine 1, a liquid transfer machine 2, a suction head 3, a connecting seat 3, a liquid transfer machine 4 fitting groove, a jack 5, a liquid transfer machine 6, a liquid transfer machine 7 fitting block, a telescopic hole 8, a limiting groove 9, a telescopic spring 10, a limiting plate 11, a telescopic column 12, a fixing nut 13, a finger sleeve 14 and a pressing column 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an eight-channel pipette for taking liquid from a test tube rack comprises a pipette bottom 1, suction heads 2 are movably mounted at the bottom of the pipette bottom 1, eight suction heads 2 are movably mounted at the bottom of the pipette bottom 1, the distance between the eight suction heads 2 is the same as that of a test tube rack placing hole, a connecting seat 3 is fixedly connected to the top of the pipette bottom 1, the maximum volume capacity of the suction heads 2 is 200 μ L, engaging grooves 4 are respectively formed in the inner walls of the left side and the right side of the connecting seat 3, insertion holes 5 are respectively formed in the left side and the right side of the connecting seat 3, a pipette top 6 extending into the pipette bottom 1 is inserted into the connecting seat 3, engaging blocks 7 are fixedly connected to the left side and the right side of the pipette top 6, the engaging grooves 4 are matched with the engaging blocks 7 in size, the engaging blocks 7 are movably connected with the connecting seat 3 through the engaging grooves 4, one side of each of the two conjunction blocks 7, which is far away from the top 6 of the pipette, is provided with a telescopic hole 8 extending to the inside of the conjunction block, the inner top wall and the inner bottom wall of each conjunction block 7 are provided with a limiting groove 9, a telescopic spring 10 is movably arranged in each telescopic hole 8, one end, which is far away from the top 6 of the pipette, of each telescopic spring 10 is fixedly connected with a limiting plate 11 extending to the inside of each limiting groove 9, the limiting plates 11 are matched with the size of the limiting grooves 9, the upper side and the lower side of each limiting plate 11 are respectively extended to the inside of the two limiting grooves 9, one side, which is far away from the telescopic spring 10, of each limiting plate 11 is fixedly connected with a telescopic column 12, the diameter of each jack 5 is larger than that of the telescopic column 12, the telescopic column 12 extends to the outside of the connecting seat 3 through the jacks 5, the outside of the telescopic column 12 is in threaded connection with fixing nuts 13 positioned outside the connecting seat 3, and the outside of the telescopic column 12 is provided with threaded grooves matched with the inner walls of the fixing nuts 13, and the fixed nut 13 is in threaded connection with the telescopic column 12 through a thread groove, a finger sleeve 14 is sleeved outside the top 6 of the liquid moving device, and a pressing column 15 is movably mounted at the top of the top 6 of the liquid moving device.

In conclusion, the eight-channel pipette capable of being used for taking liquid from the test tube rack is provided with the connecting seat 3 and the fitting groove 4 through the top of the pipette bottom 1, the fitting blocks 7 are arranged on the left side and the right side of the pipette top 6, so that the pipette top 6 can be conveniently and rapidly installed and butted with the pipette bottom 1 through the fitting blocks 7 and the fitting grooves 4, the telescopic hole 8, the limiting groove 9, the telescopic spring 10, the limiting plate 11 and the telescopic column 12 are arranged on the fitting blocks 7, so that the telescopic column 12 can be conveniently and rapidly stretched inside the telescopic hole 8 through the elasticity of the telescopic spring 10, the limiting plate 11 and the limiting groove 9 are prevented from being separated, the jacks 5 are arranged on the left side and the right side of the connecting seat 3, so that the telescopic column 12 can conveniently penetrate through the jacks 5, the pipette bottom 1 and the pipette top 6 are fixed, and the fixation can be rapidly released through pressing the telescopic column 12, the fixing nut 13 is connected with the external thread of the telescopic column 12, the telescopic column 12 is conveniently locked by the fixing nut 13, the looseness of the telescopic column in the use process is prevented, the connection between the bottom 1 of the pipettor and the top 6 of the pipettor is more stable, the eight suckers 2 are arranged at the bottom of the top 6 of the pipettor, the distance between the eight suckers 2 is the same as that of the placing holes of the pipettor, the test tubes on the pipettor are conveniently directly extracted by the eight suckers 2, the operation steps are reduced, the use is more convenient, the purposes of strong stability and convenient use are achieved, the problem that the upper part and the lower part of the existing pipettor are fixed in a threaded connection mode is solved, and the pipettor at the lower part has certain weight, the unstable connection condition is easy to occur, and the upper part and the lower part are separated and shaken, influence its normal use, the problem of directly taking a sample to the detection liquid on the test-tube rack between not being convenient for simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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.

Claims (6)

1. The utility model provides an eight way pipettors that can be used to test-tube rack gets liquid, includes pipettor bottom (1), its characterized in that: the utility model discloses a pipette, including pipettor bottom (1), top fixedly connected with connecting seat (3) of pipettor bottom (1), agree with groove (4) have all been seted up to the left and right sides inner wall of connecting seat (3), jack (5) have all been seted up to the left and right sides of connecting seat (3), the inside grafting of connecting seat (3) has the pipettor top (6) that extend to pipettor bottom (1) inside, the equal fixedly connected with in the left and right sides of pipettor top (6) agrees with piece (7), two agree with one side that pipettor top (6) were kept away from to piece (7) and all seted up extension hole (8) that extend to self inside, spacing groove (9) have all been seted up to the interior roof and the interior diapire of agreeing with piece (7), the inside movable mounting of extension hole (8) has expanding spring (10), one end fixedly connected with that pipettor top (6) was kept away from to expanding spring (10) extends to spacing groove (9) Inside limiting plate (11), one side fixedly connected with flexible post (12) of expanding spring (10) are kept away from to limiting plate (11), the outside threaded connection of flexible post (12) has and is located connecting seat (3) outside fixation nut (13), the outside cover of pipettor top (6) is equipped with dactylotheca (14), the top movable mounting of pipettor top (6) has and presses pressing post (15).

2. The eight-channel pipette used for taking liquid from the test tube rack according to claim 1, wherein: the pipette is characterized in that eight suction heads (2) are movably mounted at the bottom of the pipette bottom (1), the distance between the eight suction heads (2) is the same as that of the test tube rack placing holes, and the maximum volume capacity of the suction heads (2) is 200 mu L.

3. The eight-channel pipette used for taking liquid from the test tube rack according to claim 1, wherein: the fitting groove (4) is matched with the fitting block (7) in size, and the fitting block (7) is movably connected with the connecting seat (3) through the fitting groove (4).

4. The eight-channel pipette used for taking liquid from the test tube rack according to claim 1, wherein: the size of the limiting plate (11) is matched with that of the limiting grooves (9), and the upper side and the lower side of the limiting plate (11) respectively extend into the two limiting grooves (9).

5. The eight-channel pipette used for taking liquid from the test tube rack according to claim 1, wherein: the diameter of jack (5) is greater than the diameter of flexible post (12), flexible post (12) extend to the outside of connecting seat (3) through jack (5).

6. The eight-channel pipette used for taking liquid from the test tube rack according to claim 1, wherein: the outside of flexible post (12) is seted up with the thread groove of fixed nut (13) inner wall looks adaptation, and fixed nut (13) pass through thread groove and flexible post (12) threaded connection.

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