CN213285753U - Waste liquid pumping device for food detection - Google Patents

Abstract

The utility model relates to a food detection technology field, concretely relates to waste liquid pump-out device that food detected usefulness, including the cushion flask, with the waste liquid bottle of cushion flask switch-on, with the negative pressure device of connection can be dismantled to the cushion flask, the waste liquid bottle has connect the straw, the outer tip of straw is pegged graft and is had the imbibition rifle head, the outside cover of straw has the hose clamp, and the device can pump-out upper waste liquid fast, has the advantage of taking out that the waste liquid accuracy is high, easy to operate and simple structure.

Description

Waste liquid pumping device for food detection

Technical Field

The utility model relates to a food detection technology field, concretely relates to waste liquid pump removal device that food detected usefulness.

Background

In food testing, it is often necessary to pretreat the sample to obtain a test result, and such pretreatments often involve removing the supernatant and then retaining the subnatant for testing analysis. For example, in veterinary drug residue determination, most sample matrixes are livestock and poultry meat, aquatic products and the like, the fat content of the sample matrixes is rich, in a pretreatment process, saturated n-hexane is usually added into an extracting solution of a sample for removing ester in order to enable a final on-machine sample to have small influence on a determination result of the sample and reduce pollution to a large-scale expensive instrument, after the ester removal is completed, the n-hexane is located at the upper layer of a container, a required detection solution is located at the lower layer of the container, and at this time, an upper layer waste liquid needs to be removed to retain a lower layer liquid. For this situation, the conventional method generally sucks the supernatant liquid one by one with a pipette. However, this conventional method has disadvantages: the operation of liquid suction and discharge needs to be repeated continuously, so that the labor is consumed, the time is consumed, and particularly when a large quantity of samples are processed, the problem is more obvious and is not beneficial to the efficient implementation of food detection work.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provides a waste liquid pump removal device that food detection used, and the device can take out upper waste liquid fast, has the advantage of taking out that the waste liquid accuracy is high, easy to operate and simple structure.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a waste liquid pump-out device that food detection used, includes negative pressure device, buffer bottle, the waste liquid bottle that the pipe concatenates in proper order, the waste liquid bottle has connect the straw, the outer tip grafting of straw has the imbibition rifle head, the imbibition rifle head is used for inserting upper waste liquid, the straw cover has the clamp that dams.

Preferably, the bottle body is provided with a bottle opening and a connector, and the bottle opening and the connector are used for connecting the conduit in series with the negative pressure device, the buffer bottle and the waste liquid bottle and for connecting the straw.

Preferably, the bottle mouth is plugged with a rubber plug, the rubber plug is provided with a socket for inserting the conduit or the suction tube, the negative pressure device conduit is connected to the nozzle of the buffer bottle, the bottle mouth conduit of the buffer bottle is connected to the nozzle of the waste liquid bottle, and the suction tube is connected to the bottle mouth of the waste liquid bottle.

Preferably, the outer end of the suction pipe is connected with a scale, the quantitative pipe is provided with a scale, and the liquid suction gun head is connected to the outer end of the suction pipe through being connected with the quantitative pipe.

Preferably, the dosing tube is a glass tube.

Preferably, the negative pressure device is a vacuum pump.

Preferably, the pipette tip is a conical suction nozzle, the narrow-mouth end of the conical suction nozzle is a waste liquid inlet, and the wide-mouth end of the conical suction nozzle is connected with the outer end part of the quantitative pipe.

Preferably, the one end that the ration pipe is connected the toper suction nozzle is equipped with the internal thread, the one end that the toper suction nozzle is connected the ration pipe is equipped with the external screw thread, thereby the external screw thread with the internal thread cooperation with the toper suction nozzle with the ration pipe can dismantle the connection.

Preferably, the range of the quantitative tube is 10-30 ml.

Preferably, the closure clamp is a hose clamp, the straw passes through the hose clamp, and a protrusion is arranged in the hose clamp, points to the straw and can press the straw so as to control the drawing state of the straw.

Compared with the prior art, the beneficial effects of the utility model are that:

the negative pressure device, the buffer bottle and the waste liquid bottle are connected in series in sequence, so that the negative pressure range can be well controlled, and the waste liquid can be directly recovered to the waste liquid bottle, so that the waste liquid can be accurately, quickly and conveniently pumped, the time for pumping the upper-layer waste liquid is greatly shortened, the workload of sample pretreatment is greatly reduced, and the detection efficiency is effectively improved; and, the utility model discloses a waste liquid is taken out except that device simple structure, easy to operate is fit for large-scale production and is used.

Drawings

Fig. 1 is a schematic structural diagram of the waste liquid extracting device for food detection of the present invention.

Fig. 2 is a partially enlarged schematic view of a position a of the present invention.

Reference numerals:

a catheter 1; a negative pressure device 2; a buffer bottle 3; a waste liquid bottle 4; a straw 5; a bottle mouth 6; a nozzle 7; a rubber plug 8; a socket 9; a dosing tube 10; a scale 11; a conical suction nozzle 12, a narrow opening end 121 and a wide opening end 122; an internal thread 13; an external thread 14; a hose clamp 15; and a projection 16.

Detailed Description

To better illustrate the objects, technical solutions and advantages of the present invention, the present invention will be described in detail with reference to the following embodiments and accompanying drawings.

The waste liquid pump-out device of food detection usefulness of this embodiment, fig. 1 shows, negative pressure device 2 adopts pipe 1 to be connected with buffer bottle 3, and waste liquid bottle 4 adopts pipe 1 to be connected with buffer bottle 3, and at this moment, negative pressure device 2, buffer bottle 3 and waste liquid bottle 4 form the pipe and concatenate the state, and waste liquid bottle 4 connects straw 5, and the outer tip of straw 5 is pegged graft and is had the imbibition rifle head, thereby the imbibition rifle head is inserted to upper liquid and can be taken out upper waste liquid. The suction pipe 5 is sleeved with the closure clip, and the closure clip clamps the suction pipe 5 so as to stop the pumping-out and avoid the problem of excessive pumping-out; preferably, as shown in fig. 2, the intercepting clamp is a flexible pipe clamp 15, the straw 5 passes through the flexible pipe clamp 15, a protrusion 16 is arranged in the flexible pipe clamp 15, the protrusion 16 points to the straw 5 and can press the straw 5 so as to control the intercepting state of the straw 5, namely, the protrusion 16 can be pressed to intercept the waste liquid sucked by the straw 5.

In this embodiment, buffer bottle 3 and waste liquid bottle 4 are both equipped with bottleneck 6 and connector 7 on the bottle, wherein, bottleneck 6 stopper has rubber buffer 8, the socket 9 that inserts with supplying pipe 1 or straw 5 is seted up to rubber buffer 8, negative pressure device 2 adopts pipe 1 to be connected to buffer bottle 3's connector 7, buffer bottle 3's bottleneck 6 adopts pipe 1 to be connected to waste liquid bottle 4's connector 7, straw 5 is connected to waste liquid bottle 4's bottleneck 6, just so can concatenate whole device fast. Of course, the connecting position can be the bottle mouth 6 or the connecting mouth 7, and the connecting position can be selected according to the requirement.

In this embodiment, as shown in fig. 1, the outer end of the suction pipe 5 is connected with a quantitative pipe 10, the pipette head is connected to the outer end of the suction pipe 5 by being connected with the quantitative pipe 10, the quantitative pipe 10 is a glass pipe, scales 11 are arranged on the glass pipe, and the quantitative pipe 10 facilitates real-time monitoring of the amount of waste liquid sucked to each detection sample.

In the present embodiment, the negative pressure device 2 is a vacuum pump.

In this embodiment, as shown in fig. 1, the pipette tip is a conical suction nozzle 12, a narrow end 121 of the conical suction nozzle 12 is a waste liquid inlet, and a wide end 122 of the conical suction nozzle 12 is connected to the dosing pipe 10.

In this embodiment, as shown in fig. 2, an internal thread 13 is disposed at one end of the quantitative tube 10 connected to the conical suction nozzle 12, an external thread 14 is disposed at one end of the conical suction nozzle 12 connected to the quantitative tube 10, and the external thread 14 is matched with the internal thread 13 to detachably connect the conical suction nozzle 12 to the quantitative tube 10, so that various quantitative tubes 10 or conical suction nozzles 12 can be flexibly replaced.

In this embodiment, the range of the quantitative tube 10 is 10-30ml, which can be adaptively adjusted as required.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims (10)

1. The utility model provides a waste liquid pump removal device that food detection used which characterized in that: the waste liquid bottle is connected with a suction pipe, the outer end of the suction pipe is connected with a liquid suction gun head in an inserted mode, the liquid suction gun head is used for inserting upper-layer waste liquid, and the suction pipe is sleeved with a closure clamp.

2. The liquid waste extraction device for food inspection according to claim 1, wherein: the buffer bottle with the waste liquid bottle both are equipped with bottleneck and connector on the bottle, the bottleneck with the connector is used for the pipe to concatenate negative pressure device, the buffer bottle with the waste liquid bottle and be used for connecting the straw.

3. The liquid waste extraction device for food inspection according to claim 2, wherein: the bottle mouth stopper has the rubber buffer, the rubber buffer set up with supply the pipe or the socket that the straw penetrated, the vacuum device pipe connection to the connector of buffer bottle, the bottleneck pipe connection of buffer bottle to the connector of waste liquid bottle, the straw is connected to the bottleneck of waste liquid bottle.

4. The liquid waste extraction device for food inspection according to any one of claims 1 to 3, wherein: the outer end of the suction pipe is connected with a quantitative pipe, scales are arranged on the quantitative pipe, and the liquid suction gun head is connected to the outer end of the suction pipe through being connected with the quantitative pipe.

5. The liquid waste extraction device for food inspection according to claim 4, wherein: the quantitative tube is a glass tube.

6. The liquid waste extraction device for food inspection according to claim 1, wherein: the negative pressure device is a vacuum pump.

7. The liquid waste extraction device for food inspection according to claim 4, wherein: the liquid suction gun head is a conical suction nozzle, the narrow-mouth end of the conical suction nozzle is a waste liquid inlet, and the wide-mouth end of the conical suction nozzle is connected with the outer end of the quantitative pipe.

8. The liquid waste extraction device for food inspection according to claim 7, wherein: the quantitative pipe connection the one end of toper suction nozzle is equipped with the internal thread, the toper suction nozzle connection the one end of quantitative pipe is equipped with the external screw thread, thereby the external screw thread with the internal thread cooperation will the toper suction nozzle with quantitative pipe can dismantle the connection.

9. The liquid waste extraction device for food inspection according to claim 4, wherein: the measuring range of the quantitative tube is 10-30 ml.

10. The liquid waste extraction device for food inspection according to claim 1, wherein: the interception clamp is a hose clamp, the straw penetrates through the hose clamp, a bulge is arranged in the hose clamp, and the bulge points to the straw and can press the straw so as to control the interception state of the straw.

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