CN220590062U - Waste liquid collector and cell experiment device comprising same - Google Patents

Abstract

The utility model provides a waste liquid collector and a cell experiment device comprising the same, which are used for sucking waste liquid generated by a cell experiment, wherein the waste liquid collector comprises: a connector connected with a liquid suction pump for providing suction power for the waste liquid collector is arranged at one end of the shell; the number of the sucking pieces is a plurality, the sucking pieces are sequentially arranged at intervals along the extending direction of the shell, a sliding groove for the sucking pieces to move is arranged at the position of the shell corresponding to the sucking pieces, and a liquid suction pipe which is matched with the number of the sucking pieces and is communicated with the sucking pieces and the connector is also arranged in the shell; and the adjusting assembly is at least partially connected with each liquid suction pipe so as to adjust the distance between the suction pieces. The problem of among the prior art waste liquid absorption speed slow is solved, the waste liquid of a plurality of positions department can be absorbed simultaneously, the collection efficiency of waste liquid has been improved to can reduce flip's number of times, reduce the probability that the cell experiment received the pollution, improve the accuracy nature of experiment.

Description

Waste liquid collector and cell experiment device comprising same

Technical Field

The utility model relates to the field of biomedical scientific research experimental equipment, in particular to a waste liquid collector and a cell experimental device comprising the same.

Background

In recent years, an automatic detection system is increasingly widely applied to biological medicine experimental detection due to the advantages of high flux, high reliability, convenience, rapidness and the like. The absorption and collection of the cell waste liquid are one of the necessary steps for many experimental tests, for example, the absorption and collection of the waste liquid in experiments such as CCK8, cell dosing, PDO culture and the like are one of the necessary steps, so that the fusion of the experiments and an automation system is realized, and the automation problem of the absorption and collection of the cell waste liquid must be solved.

However, in the prior art, there are many problems such as slow speed, difficult operation and easy pollution when sucking and collecting the cell waste liquid, so the solution to the problems is needed.

Disclosure of Invention

The utility model aims to overcome the defects of low speed and easy pollution in the process of sucking and collecting cell waste liquid in the prior art, and provides a waste liquid collector and a cell experiment device comprising the same.

The utility model solves the technical problems by the following technical scheme:

a waste collector for sucking waste liquid generated by a cell experiment, the waste collector comprising:

a connector connected with a liquid suction pump for providing suction power for the waste liquid collector is arranged at one end of the shell;

the number of the sucking pieces is a plurality, the sucking pieces are sequentially arranged at intervals along the extending direction of the shell, a sliding groove for the sucking pieces to move is arranged at the position of the shell corresponding to the sucking pieces, and a liquid suction pipe which is matched with the number of the sucking pieces and is communicated with the sucking pieces and the connector is also arranged in the shell;

and the adjusting assembly is at least partially connected with each liquid suction pipe so as to adjust the distance between the suction pieces.

In this technical scheme, through the piece of absorbing that sets up quantity to a plurality of, and adopt above-mentioned design form with it, make the waste liquid collector of this patent absorb for prior art can only use one piece at every turn and absorb the waste liquid, the problem that waste liquid absorption speed is slow in the prior art has been solved, can absorb the waste liquid of a plurality of positions department simultaneously, the collection efficiency of waste liquid has been improved, and, the experimenter can just can realize the absorption of a plurality of positions waste liquid through opening the flip of a cell experiment, compare in prior art, this patent can reduce flip's number of times, reduce the probability that the cell experiment received the pollution, improve the accuracy of experiment.

Meanwhile, the distance between the sucking pieces is adjusted by additionally arranging the adjusting component, so that the sucking pieces can move on the sliding groove and along the extending direction of the sucking pieces according to different experimental requirements, the position of the sucking pieces, namely the distance between the sucking pieces, is conveniently adjusted, and the flexibility of use and the application range of the waste liquid collecting device are enhanced.

Therefore, the waste liquid collector with the structural form has the characteristics of high efficiency, convenience, flexibility and the like, and can effectively collect waste liquid generated by a cell experiment and improve the efficiency of the cell experiment.

Preferably, the pipettes are sequentially arranged at intervals along the extending direction of the sliding groove, and a rotating shaft is arranged on each pipette;

the adjusting component comprises a plurality of folding arms, the lengths of the folding arms are equal to form a rhombic shape, adjacent liquid suction pipes are connected through the folding arms, one ends of the folding arms are connected with the rotating shaft, and the other ends of the folding arms are connected with the other adjacent folding arms in a rotating mode.

In this technical scheme, through adopting folding arm and setting it into diamond-shaped connected mode to and the setting that adopts the pivot makes folding arm can freely rotate in order to adjust the distance between each suction piece, can freely adjust according to different experimental demand, and, this kind of connected mode can keep the balance and the stability that suction piece removed, avoids the pipette to produce resistance and the card phenomenon at the in-process that removes, improves the smoothness and the stationarity that suction piece regulated and control.

Preferably, the adjusting assembly further comprises:

the adjusting piece is at least partially arranged on the outer wall surface of the shell, can move on the shell along the extending direction of the sliding groove, and is provided with a sliding rail for the adjusting piece to move at a position of the shell corresponding to the adjusting piece;

the driving piece is connected with the adjusting piece and the folding arm and is arranged in the shell, and at least part of the adjusting piece penetrates through the sliding rail and is connected with the driving piece.

In the technical scheme, the adjusting piece can move on the sliding rail along the extending direction of the sliding rail, and the driving piece is driven by the adjusting piece, so that the state between the folding arms is changed by the driving piece to drive the liquid suction pipes to move, the distance between the liquid suction pipes is adjusted, and the distance between the suction pieces at the tail ends of the liquid suction pipes is adjusted. The design can conveniently adjust the distance between the suction pieces, and improves the flexibility and accuracy of adjustment. Simultaneously, through the setting of slide rail and driving piece, strengthened the convenience that waste liquid collection device adjusted, can adjust waste liquid collection device in order to satisfy the demand of different cell experiments fast. Further, the adjusting piece is arranged on the outer wall surface of the shell, so that convenience can be provided for an experimenter to adjust the distance between the absorbing pieces, and the operation is simplified.

Preferably, a connecting rod is arranged at the joint of the two folding arms between any two adjacent pipettes, the connecting rod penetrates through the folding arms, and two ends of the connecting rod extend to the inner wall surface of the shell and are fixedly connected with the shell.

In this technical scheme, through set up the connecting rod between adjacent pipette, and the through design of connecting rod can ensure folding arm and the firm in connection of casing, can strengthen folding arm and the stability that adjusting part set up inside the casing, can ensure that waste liquid collector can not take place to rock, connect not hard up or scheduling problem that drops at the inside adjusting part of suction process casing, maintains adjusting part's accurate position and steady motion to in-service use can keep stable connected state. Further, through setting up the connecting rod and making its and the internal face fixed connection of casing, can provide "base point" for folding arm drive the removal of each pipette, the removal that each pipette can regard the position at connecting rod place as the center promptly, to both sides diffusion and removal to improve folding arm drive the efficiency that the pipette removed.

Preferably, clamping tables for opening and closing the movement of the adjusting piece are arranged at two ends of the adjusting piece along the extending direction of the sliding rail, and elastic structures are arranged in the clamping tables and are connected with the shell.

In the technical scheme, through adding the clamping table and adopting the structural form, when the distance between the absorbing parts is required to be changed by using the adjusting part, the clamping table at the position moving in the required direction is pressed firstly to realize the opening of the adjusting part, so that the adjusting part can move, after the adjusting part is moved to the required position, the same clamping table is pressed again, the position of the adjusting part is limited by ending the re-movement of the adjusting part, and the inconvenience of the re-movement of the adjusting part for absorbing waste liquid is avoided.

Preferably, the adjusting component further comprises a transverse groove sleeved on the outer wall surfaces of the liquid suction pipes and used for the liquid suction pipes to move, and the transverse groove is parallel to the sliding groove and fixedly connected with the inner wall surface of the shell.

In the technical scheme, the transverse grooves are formed in the outer wall surfaces of the pipettes, so that a moving channel can be provided for the pipettes, the moving direction between the pipettes is conveniently limited, the moving freedom degree is reduced, and the 'turbulence' between the pipettes is avoided from interfering with the change of the distance between the sucking pieces. And the parallel arrangement of the transverse groove and the sliding groove can simplify the design and the operation flow of the adjusting component, does not need additional arrangement or adjusting mechanism, and can realize the accurate layout and position adjustment of the liquid suction pipe only by translating and adjusting along the extending direction of the transverse groove.

Preferably, the suction piece comprises a base connected with the chute and a suction head detachably connected with the base.

In this technical scheme, through can dismantle the suction head with the base and be connected, can conveniently change the suction head, when needs change or wash the suction head, only need dismantle the connection of base and suction head, then install new suction head can, can improve work efficiency and convenience like this, reduce unnecessary downtime simultaneously.

Preferably, the outer wall surface of the suction head, which is close to one end of the liquid inlet, is provided with a connecting part for sleeving external consumables.

In this technical scheme, through set up connecting portion on the outer wall of suction head, can conveniently overlap and establish external consumptive material, like annex or additional device, this not only makes to change the consumptive material become easier and swift, and the experimenter only needs to overlap specific consumptive material and establishes connecting portion, just can realize quick replacement and update, can also realize external consumptive material and suction piece connected steadiness, avoids taking place that external consumptive material takes place to drop and offset etc. probably relative suction head to influence the normal progress of cell experiment.

A cell assay device comprising a waste liquid collector as claimed in any preceding claim, and a liquid suction pump connected to the connector via a pipeline to provide suction power to the waste liquid collector.

In this technical scheme, cell experimental apparatus adopts foretell waste liquid collector, not only can collect the waste liquid that produces in the experimentation effectively, can also improve the efficiency of collecting the waste liquid to, adopt the suction pump to be connected to waste liquid collector through pipeline and joint, provide power for waste liquid collector's absorption, improve cell experiment work's efficiency and convenience. The combination of the waste liquid collector and the liquid suction pump realizes the automatic operation of the cell experiment device, and the collection process of the waste liquid is more convenient and accurate by setting the gaps among the suction pieces and setting the proper power parameters for the liquid suction pump.

Preferably, the cell experiment device further comprises a foot-operated control switch for adjusting the on-off of the liquid suction pump.

In the technical scheme, the pedal control switch is adopted to enable an operator to realize the opening and closing of the liquid suction pump through stepping on the switch without using a manual switch, so that the hand operation of the operator in the cell experiment is facilitated, and simultaneously, the faster response speed and the faster response time are also provided. Meanwhile, the design of the pedal control switch releases hands of an experimenter from the control of the liquid suction pump, so that the risk that accidents occur due to the fact that the hands are supplied with liquid and then the control switch is controlled in the experimental operation process is reduced, experimenters can simultaneously conduct experiments of cells by using both hands, and inaccuracy is brought to experimental results because the hands are not required to touch or mistakenly touch the switch to be stained with foreign matters.

The utility model has the positive progress effects that:

1. this waste liquid collector is through setting up the piece of absorbing that quantity is a plurality of to with its adoption above-mentioned design form, make this patent's waste liquid collector absorb for prior art can only use one piece of absorbing at every turn and absorb the waste liquid, solved the problem that waste liquid absorbs speed slowly among the prior art, can absorb the waste liquid of a plurality of positions department simultaneously, the collection efficiency of waste liquid has been improved, and, the experimenter can just can realize the absorption of a plurality of positions waste liquid through opening the flip of a cell experiment, compare in prior art, this patent can reduce flip's number of times, reduce the probability that the cell experiment received the pollution, improve the accuracy of experiment.

Meanwhile, the distance between the sucking pieces is adjusted by additionally arranging the adjusting component, so that the sucking pieces can move on the sliding groove and along the extending direction of the sucking pieces according to different experimental requirements, the position of the sucking pieces, namely the distance between the sucking pieces, is conveniently adjusted, and the flexibility of use and the application range of the waste liquid collecting device are enhanced.

Therefore, the waste liquid collector with the structural form has the characteristics of high efficiency, convenience, flexibility and the like, and can effectively collect waste liquid generated by a cell experiment and improve the efficiency of the cell experiment.

2. This cell experiment device adopts foretell waste liquid collector, not only can collect the waste liquid that produces in the experimentation effectively, can also improve the efficiency of collecting the waste liquid to, adopt the suction pump to be connected to waste liquid collector through pipeline and joint, provide power for waste liquid collector's absorption, improve cell experiment work's efficiency and convenience. The combination of the waste liquid collector and the liquid suction pump realizes the automatic operation of the cell experiment device, and the collection process of the waste liquid is more convenient and accurate by setting the gaps among the suction pieces and setting the proper power parameters for the liquid suction pump.

Drawings

FIG. 1 is a schematic view showing the overall structure of a waste liquid collector in example 1 of the present utility model.

FIG. 2 is a schematic view of the waste liquid collector of example 1 of the present utility model, but not including a regulating member.

FIG. 3 is a partial cross-sectional view of the waste liquid collector of example 1 of the present utility model.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an assembly view of the adjusting assembly and the pipette according to embodiment 1 of the present utility model.

Reference numerals illustrate:

waste liquid collector 100

Housing 11

Joint 111

Chute 112

Sliding rail 113

Transverse segment 114

Vertical section 115

Suction piece 12

Base 121

Suction head 122

Pipette 13

Rotating shaft 131

Adjustment assembly 14

Folding arm 141

Adjustment member 142

Drive member 143

Connecting rod 144

Transverse groove 145

Clamping table 15

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.

[ example 1 ]

As shown in fig. 1 to 5, example 1 discloses a waste liquid collector 100 for sucking waste liquid generated in a cell experiment.

The waste liquid collector 100 comprises a housing 11, a suction member 12 and an adjusting assembly 14, wherein a connector 111 is arranged at one end of the housing 11, and the connector 111 is used for being connected with a suction pump for providing suction power for the waste liquid collector 100.

The number of the sucking pieces 12 in this embodiment is a plurality, the sucking pieces 12 are sequentially arranged at intervals along the extending direction of the housing 11, a chute 112 for moving the sucking pieces 12 is provided at the position of the housing 11 corresponding to the sucking pieces 12, and a liquid suction pipe 13 which is matched with the number of the sucking pieces 12 and is communicated with the sucking pieces 12 and the connector 111 is also provided inside the housing 11.

And, at least part of the adjusting assembly 14 is connected to each of the pipettes 13 to adjust the distance between the suction pieces 12, specifically, the adjusting principle of the distance between the suction pieces 12 in this embodiment is: by adjusting the adjustment assembly 14, the adjustment assembly 14 is caused to change the spacing between the pipettes 13, thereby changing the distance between the suction members 12 at the ends of the pipettes 13.

Therefore, in this embodiment, through the suction piece 12 that sets up quantity to a plurality of to with its adoption above-mentioned design form, make this patent's waste liquid collector 100 only can use one suction piece 12 at every turn to absorb for prior art, solve the problem that waste liquid absorbs the speed slowly among the prior art, can absorb the waste liquid of a plurality of positions department simultaneously, the collection efficiency of waste liquid has been improved, and, the experimenter can just can realize the absorption of the waste liquid of a plurality of positions through opening the flip of a cell experiment, compare in prior art, this patent can reduce flip's number of times, reduce the probability that the cell experiment received the pollution, improve the accuracy of experiment.

Meanwhile, the adjusting assembly 14 is additionally arranged to adjust the distance between the suction pieces 12, so that the suction pieces 12 can move on the sliding groove 112 and along the extending direction according to different experimental requirements, the positions of the suction pieces 12 and the distance between the suction pieces 12 are conveniently adjusted, and the flexibility and the application range of the waste liquid collecting device are enhanced.

Therefore, the waste liquid collector 100 with the structural form in the patent has the characteristics of high efficiency, convenience, flexibility and the like, and can effectively collect waste liquid generated by a cell experiment and improve the efficiency of the cell experiment.

In this embodiment, the material of casing is plastics, can reduce the weight of the handheld waste liquid collector of experimenter to the absorption of waste liquid is carried out better.

Meanwhile, in the embodiment, the number of the sucking pieces is 8, that is, the number of the pipettes is also 8, so as to better adapt to the requirement of adopting the 96-hole or 48-hole cell plate in the embodiment, and in other embodiments, the number of the specific sucking pieces and the number of the pipettes can be set as required, so that the normal cell experiment requirement can be met.

As shown in fig. 1, the housing 11 in this embodiment is a bent structure, and includes a transverse section 114 and a vertical section 115 that are disposed perpendicular to each other.

The joint 111 is provided at an end of the transverse section 114 remote from the junction of the transverse section 114 and the vertical section 115 for connection to a suction pump; and suction member 12 is arranged on the side of vertical section 115 facing away from joint 111, so as to facilitate the suction of the waste liquid. It can be seen that, in this embodiment, the horizontal segment 114 is a segment for the experimenter to hold, and the vertical segment 115 is for the experimenter to suck the waste liquid.

Preferably, as shown in fig. 3, the pipettes 13 are arranged at intervals in sequence along the extending direction of the chute 112, that is, along the extending direction of the vertical section 115 in the housing 11, and a rotation shaft 131 is provided at the middle of each of the pipettes 13.

The adjusting assembly 14 includes a plurality of folding arms 141, the lengths of the plurality of folding arms 141 are equal and form a rhombic shape, the adjacent pipettes 13 are connected in a group form by four folding arms 141, specifically, one end of the folding arm 141 is connected with the rotating shaft 131, and the other end of the folding arm 141 is rotatably connected with the other adjacent folding arm 141, so that the space adjustment between the pipettes 13 is changed by compressing and stretching the form of each group of folding arms 141.

Therefore, in this embodiment, the folding arm 141 is set to be in a diamond connection manner, and the rotating shaft 131 is set to enable the folding arm 141 to freely rotate to adjust the distance between the suction members 12, so that the distance can be freely adjusted according to different experimental requirements, and the connection manner can keep the balance and stability of the movement of the suction members 12, avoid the resistance and the clamping phenomenon generated by the liquid suction pipe 13 in the moving process, and improve the smoothness and stability of the regulation of the suction members 12.

Preferably, as shown in fig. 1 and 3-5, the adjustment assembly 14 specifically further includes an adjustment member 142 and a drive member 143.

The adjusting element 142 is arranged at least partially on the outer wall of the housing 11 and can be displaced on the housing 11 along the extension direction of the sliding groove 112, i.e. the adjusting element 142 is arranged on the side of the vertical section 115 of the housing 11 facing away from the suction element 12, and a sliding rail 113 for displacing the adjusting element 142 is provided on the housing 11 in a position corresponding to the adjusting element 142.

The driving member 143 is connected to the adjusting member 142 and the folding arm 141 and disposed inside the housing 11, and at least a part of the adjusting member 142 is connected to the driving member 143 by penetrating through the sliding rail 113, i.e. a connecting portion (not shown in the figure) is disposed on one side of the adjusting member 142 near the sliding rail 113, where the driving member 143 is connected to the connecting portion and the sliding rail 113 can be penetrated to the driving member 143 to connect the connecting portion, so that the adjusting member 142 can better implement the change of the space between the pipettes 13 by driving the driving member 143.

Therefore, in this embodiment, the adjusting member 142 can move on the sliding rail 113 along the extending direction of the sliding rail 113, and the driving member 143 is driven by the adjusting member 142, and the driving member 143 changes the state between the folding arms 141 to drive the pipettes 13 to move, so as to adjust the distance between the pipettes 13, and further adjust the distance between the suction members 12 at the end of each pipette 13. This design allows for easy adjustment of the spacing of the suction members 12, which increases the flexibility and accuracy of the adjustment. Meanwhile, through the arrangement of the sliding rail 113 and the driving piece 143, the convenience of adjustment of the waste liquid collecting device is enhanced, and the waste liquid collecting device can be quickly adjusted to meet the requirements of different cell experiments. Further, the adjusting member 142 is provided on the outer wall surface of the housing 11, which can provide convenience for the experimenter to adjust the distance between the suction members 12, and simplify the operation.

Further, as shown in fig. 5, a connecting rod 144 is provided at the junction of the two folding arms 141 between any adjacent pipettes 13, in this embodiment, the connecting rod 144 is provided near the driving member 143, wherein the connecting rod 144 is provided penetrating the folding arms 141, and both ends of the connecting rod 144 extend to the inner wall surface of the housing 11 and are fixedly connected with the housing 11.

In this embodiment, by arranging the connecting rod 144 between the adjacent pipettes 13, and the penetrating design of the connecting rod 144 can ensure the firm connection between the folding arm 141 and the housing 11, can enhance the stability of the folding arm 141 and the adjusting component 14 inside the housing 11, can ensure that the adjusting component 14 inside the housing 11 of the waste liquid collector 100 cannot shake, loose or fall off during the sucking process, and maintains the accurate position and stable movement of the adjusting component 14, so that a stable connection state can be maintained in use. Further, by adding the connecting rod 144 and fixedly connecting the connecting rod with the inner wall surface of the housing 11, a "base point" can be provided for the folding arm 141 to drive the movement of each pipette 13, that is, the movement of each pipette 13 can be diffused and moved to two sides with the position of the connecting rod 144 as the center, so as to improve the efficiency of the folding arm 141 to drive the movement of the pipette 13.

Also, in the present embodiment, the number of the connection rods 144 is two, and the two connection rods 144 are sequentially arranged at intervals along the extending direction of the pipettes 13 and symmetrically arranged between the adjacent pipettes 13. In other embodiments, the specific arrangement of the connecting rod 144 may be set as required, so as to meet the requirement of connecting the reinforcing adjustment assembly 14 and the housing 11, and to ensure the movement of each group of folding arms 141 by taking the connecting rod 144 as a base point, which falls within the protection scope of the present application.

Preferably, as shown in fig. 1 to 3, the clamping table 15 on which the opening and closing adjusting member 142 moves is provided at both ends of the adjusting member 142 along the extending direction of the slide rail 113, and an elastic structure is provided inside the clamping table 15 to be connected to the housing 11. In this embodiment, the elastic structure is a spring.

By adding the clamping table 15 and adopting the structural form, when the distance between the absorbing members 12 needs to be changed by using the adjusting member 142, the clamping table 15 moving in the required direction is firstly pressed to realize the opening of the adjusting member 142, so that the adjusting member 142 can move, after the adjusting member 142 is moved to the required position, the same clamping table 15 is pressed again to 'end' the re-movement of the adjusting member 142, the position of the adjusting member 142 is limited, and the re-movement of the adjusting member 142 is prevented from providing inconvenience for absorbing waste liquid.

Preferably, as shown in fig. 3 and 5, the adjusting assembly 14 further includes a transverse slot 145 sleeved on the outer wall surfaces of the plurality of pipettes 13 for each of the pipettes 13 to move, wherein the transverse slot 145 and the chute 112 are arranged in parallel and fixedly connected with the inner wall surface of the housing 11.

By providing the lateral grooves 145 on the outer wall surface of the pipettes 13, a movement path can be provided for the pipettes 13, so that the movement direction between the pipettes 13 is conveniently limited, the degree of freedom of movement is reduced, and the 'turbulence' between the pipettes 13 is avoided from interfering with the change of the distance between the suction members 12. And the parallel arrangement of the transverse slot 145 and the chute 112 can simplify the design and operation flow of the adjusting assembly 14, and the accurate layout and position adjustment of the pipette 13 can be realized by only translating and adjusting along the extending direction of the transverse slot 145 without additional arrangement or adjusting mechanism.

In addition, an ejecting button (not shown in the figure) for disassembling and assembling each suction member 12 is further provided on the outer wall surface of the housing 11, i.e., on the side of the transverse section 114 facing away from the adjusting member 142, so that an experimenter can disassemble each suction member 12 when holding the transverse section 114. And, the ejection button and each suction member 12 are connected by an elastic member, in this embodiment, the elastic member is a spring, and the detachment principle is to use the elastic force of the spring to set the suction member 12 on the housing 11, when the ejection button is pressed, the spring is compressed to generate elastic force, so that the suction member 12 is ejected from the housing 11, and the replacement of the suction member 12 is realized.

Therefore, in the present embodiment, the working principle of the change of the distance between the suction members 12 is specifically: the experimenter can slide the adjusting piece 142 according to the required condition of experiment, so that the adjusting piece 142 can move on the sliding rail 113 of the shell 11, the driving piece 143 can be driven to move inside the shell 11 through the arrangement of the connecting part in the movement of the adjusting piece 142, the state of each folding arm 141 can be changed through the connection between the driving piece 143 and each folding arm 141, namely, the distance between each liquid suction pipe 13 is changed through compression or expansion, and then each sucking piece 12 at the tail end of each liquid suction pipe 13 is driven to move in the sliding groove 112 and along the extending direction of the sliding groove 112, and finally the distance between each sucking piece 12 is changed.

Preferably, as shown in fig. 4, the suction member 12 further includes a base 121 connected to the chute 112, and a suction head 122 detachably connected to the base 121, in this embodiment, the suction head 122 and the base 121 are detachably connected to each other by a screw connection, so that the suction head 122 can be conveniently replaced, and when the suction head 122 needs to be replaced or cleaned, only the connection of the base 121 and the suction head 122 needs to be removed, and then a new suction head 122 needs to be installed, thereby improving the working efficiency and convenience, and reducing unnecessary downtime.

Further, a connection part (not shown in the figure) for sleeving external consumables is provided on the outer wall surface of the suction head 122 near one end of the liquid inlet, wherein the connection part may be a threaded structure on the outer wall surface of the suction head 122 or a rough section with a larger friction coefficient.

In this embodiment, through set up connecting portion on the outer wall surface of suction head 122, external consumptive material such as annex or additional device can be conveniently overlapped, this not only makes to change the consumptive material become easier and swift, and the experimenter only needs to overlap specific consumptive material and establishes connecting portion, just can realize quick replacement and update, can also realize external consumptive material and suction piece 12 connected steadiness, avoids taking place that external consumptive material takes place to drop and offset etc. probably relative suction head 122 to influence the normal progress of cell experiment.

[ example 2 ]

Embodiment 2 discloses a cell experiment device comprising the waste liquid collector 100 of embodiment 1, and a liquid suction pump connected to the joint 111 of the waste liquid collector 100 through a pipe to provide suction power to the waste liquid collector 100.

In this embodiment, the cell experiment device adopts the above-mentioned waste liquid collector 100, not only can collect the waste liquid that produces in the experimentation effectively, can also improve the efficiency of collecting the waste liquid to, adopt the suction pump to be connected to waste liquid collector 100 through pipeline and joint 111, provide power for the absorption of waste liquid collector 100, improve the efficiency and the convenience of cell experiment work. The combination of the waste liquid collector 100 and the liquid suction pump realizes the automatic operation of the cell experiment device, and the collection process of the waste liquid is more convenient and accurate by setting the gaps between the suction pieces 12 and setting the proper power parameters for the liquid suction pump.

In this embodiment, the suction pump is a driving motor to provide power for the suction member to suck the waste liquid, and in other embodiments, the suction pump may also be in the form of a driving cylinder or the like to provide suction power for the waste liquid collection device.

Preferably, the cell experiment device further comprises a foot-operated control switch for adjusting the on-off of the suction pump.

The pedal control switch is adopted, so that an operator can realize the opening and closing of the liquid suction pump by stepping on the switch without using a manual switch, the hand operation of the operator in the cell experiment is facilitated, and simultaneously, the faster response speed and the faster response time are also provided. Meanwhile, the design of the pedal control switch releases hands of an experimenter from the control of the liquid suction pump, so that the risk that accidents occur due to the fact that the hands are supplied with liquid and then the control switch is controlled in the experimental operation process is reduced, experimenters can simultaneously conduct experiments of cells by using both hands, and inaccuracy is brought to experimental results because the hands are not required to touch or mistakenly touch the switch to be stained with foreign matters.

In addition, in the embodiment, the cell experiment device further comprises a waste liquid collecting container, and the joint of the waste liquid collecting container and the waste liquid collector is connected for collecting the waste liquid sucked by the suction member.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (10)

1. A waste liquid collector for sucking waste liquid generated by a cell experiment, the waste liquid collector comprising:

a connector connected with a liquid suction pump for providing suction power for the waste liquid collector is arranged at one end of the shell;

the number of the sucking pieces is a plurality, the sucking pieces are sequentially arranged at intervals along the extending direction of the shell, a sliding groove for the sucking pieces to move is arranged at the position of the shell corresponding to the sucking pieces, and a liquid suction pipe which is matched with the number of the sucking pieces and is communicated with the sucking pieces and the connector is also arranged in the shell;

and the adjusting assembly is at least partially connected with each liquid suction pipe so as to adjust the distance between the suction pieces.

2. The waste liquid collector as claimed in claim 1, wherein each of the pipettes is arranged in a sequential interval along the extending direction of the chute, and a rotation shaft is provided on each of the pipettes;

the adjusting component comprises a plurality of folding arms, the lengths of the folding arms are equal to form a rhombic shape, adjacent liquid suction pipes are connected through the folding arms, one ends of the folding arms are connected with the rotating shaft, and the other ends of the folding arms are connected with the other adjacent folding arms in a rotating mode.

3. The waste collector of claim 2 wherein the conditioning assembly further comprises:

the adjusting piece is at least partially arranged on the outer wall surface of the shell, can move on the shell along the extending direction of the sliding groove, and is provided with a sliding rail for the adjusting piece to move at a position of the shell corresponding to the adjusting piece;

the driving piece is connected with the adjusting piece and the folding arm and is arranged in the shell, and at least part of the adjusting piece penetrates through the sliding rail and is connected with the driving piece.

4. A waste liquid collector as claimed in claim 3 wherein a connecting rod is provided at the junction of two said folding arms between any adjacent said pipettes, said connecting rod being disposed through said folding arms, and both ends of said connecting rod extending to the inner wall surface of said housing and being fixedly connected thereto.

5. A waste liquid collector as claimed in claim 3, wherein a clamping table for opening and closing movement of the regulating member is provided at both ends of the regulating member along the extending direction of the slide rail, and an elastic structure is provided inside the clamping table to be connected with the housing.

6. The waste liquid collector as claimed in claim 2, wherein the adjusting assembly further comprises a transverse groove sleeved on the outer wall surfaces of the plurality of pipettes and used for moving each of the pipettes, and the transverse groove and the sliding groove are arranged in parallel and fixedly connected with the inner wall surface of the housing.

7. The waste collector of claim 1 wherein said suction member includes a base connected to said chute and a suction head removably connected to said base.

8. The waste liquid collector as claimed in claim 7, wherein a connecting part for sleeving external consumables is arranged on the outer wall surface of the end, close to the liquid inlet, of the suction head.

9. A cell testing device, comprising the waste liquid collector of any one of claims 1-8, and a liquid suction pump connected to the connector via a pipeline to provide suction power for the waste liquid collector.

10. The cell testing apparatus of claim 9, further comprising a foot operated control switch that regulates the on and off of the suction pump.