CN209188815U - A kind of simple pipettor vaporization prevention trap - Google Patents

Abstract

The utility model discloses a kind of simple pipettor vaporization prevention trap, including sample-adding pipe, vaporization prevention cap and container, the container upper end is vessel port, vessel port inner wall is frosted line, and it is sealed by vaporization prevention cap, the vaporization prevention cap includes the sealing-plug for protruding into vessel port and the pedestal of outer end, perforative sample-adding pore is opened up on vaporization prevention cap, sample-adding pipe is inserted and secured on vaporization prevention cap from sample-adding pore upper end, the sample-adding pipe includes hollow tube, the arrival end diameter of hollow tube upper end is 5mm, and the outlet end diameter of lower end is 2mm.Its is reasonable in design, can prevent the evaporation effect of sample-adding liquid；Relative inexpensiveness is safeguarded simple and convenient；It is suitble to promote the use of.

Description

A kind of simple pipettor vaporization prevention trap

Technical field

The utility model relates to experimental provision technical fields, are specifically related to a kind of simple pipettor vaporization prevention trap.

Background technique

Vaporization prevention trap is a kind of vaporization prevention device, and principle is exactly the real sky in the manual multichannel pipettor calibration of Ai Bende Between in, certain humidity is kept, to reduce influence of the evaporation bring to measurement result of discharge liquid.

For this vaporization prevention device, some experimental selection purchase commercializations, also there is many laboratories oneself production.It is existing Have the vaporization prevention trap being commercialized in technology generally expensive, it is not convenient for safeguarding, meanwhile, the vaporization prevention trap of commercialization, producer also without Can method provide liquid evaporation amount in vaporization prevention trap and meet customer need；And the vaporization prevention trap of most laboratory oneself production, because The sample-adding effect of liquid evaporation and bad is prevented, so not being used widely.

Utility model content

In view of the above-mentioned problems existing in the prior art, the utility model provides a kind of simple pipettor vaporization prevention trap, packet Sample-adding pipe, vaporization prevention cap and container are included, it is reasonable in design, the evaporation effect of sample-adding liquid can be prevented；Relative inexpensiveness, It safeguards simple and convenient；It is suitble to promote the use of.

To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:

A kind of simple pipettor vaporization prevention trap, including sample-adding pipe, vaporization prevention cap and container, the container upper end are container Mouthful, vessel port inner wall is frosted line, and sealed by vaporization prevention cap, the vaporization prevention cap include protrude into the sealing-plug of vessel port with The pedestal of outer end, perforative sample-adding pore is opened up on vaporization prevention cap, and sample-adding pipe is inserted and secured on anti-steaming from sample-adding pore upper end It sends out on cap, the sample-adding pipe includes hollow tube, and the arrival end diameter of hollow tube upper end is 5mm, the outlet end diameter of lower end For 2mm.

Further, the connecting base that the sample-adding pore of vaporization prevention cap upper end pedestal opens up connecting groove and is loaded pipe upper end Linking；

The sample-adding pipe and connecting base are interference fit.

Further, the container is conical vessel, and material is glass.

Further, the vaporization prevention cap is latex plug, and the diameter of sealing-plug is smaller than pedestal.

Further, the sample-adding pipe is colored plastic tube.

Further, the sample-adding pipe outside diameter is bigger than the internal diameter for being loaded pore.

Further, the vaporization prevention cap and container are equipped with the plurality of specifications being mutually matched.

The utility model has the following beneficial effects: the simple pipettor vaporization prevention trap of the utility model, including sample-adding pipe, vaporization prevention Cap and container, can provide for the electronic balance of a ten thousandth grade and following level prevents sample-adding liquid evaporation effect；It is wet indoors Degree is 40%-80%, and at 22-28 DEG C of temperature, which can guarantee that liquid evaporation amount is less than 0.5mg/10 minutes； Cheap simultaneously, material is conveniently easy to get, only the price of similar product 1-5%；And it safeguards simply, can be rushed with tap water Washing or being wiped or glued with non-dust cloth takes the liquid such as distilled water, alcohol to wipe；Its is reasonable in design, can prevent from adding The evaporation effect of sample liquid body；Relative inexpensiveness is safeguarded simple and convenient；It is suitble to promote the use of.

Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

Fig. 1 is the structural schematic diagram of simple pipettor vaporization prevention trap described in the utility model embodiment；

Fig. 2 is the structural schematic diagram and sectional view of vaporization prevention cap and container described in the utility model embodiment；

Fig. 3 is the enlarged structure schematic diagram in the utility model Fig. 2 at A；

Fig. 4 is sample-adding pipe structural schematic diagram described in the utility model embodiment；

In attached drawing, parts list represented by the reference numerals are as follows:

1- container, 101- vessel port, 102- frosted line, 2- vaporization prevention cap, 201- sealing-plug, 202- pedestal, 203- sample-adding Pore, 204- connecting groove, 3- sample-adding pipe, 301- hollow tube, the outlet end 302-, 303- arrival end, 304- connecting base.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

Embodiment

As shown in Figs 1-4

A kind of simple pipettor vaporization prevention trap, including sample-adding pipe 3, vaporization prevention cap 2 and container 1,1 upper end of container are to hold Device mouth 101,101 inner wall of vessel port are frosted line 102, and seal by vaporization prevention cap 2 that the vaporization prevention cap 2 includes protruding into appearance The sealing-plug 201 of device mouth 101 and the pedestal 202 of outer end, open up perforative sample-adding pore 203 on vaporization prevention cap 2, sample-adding pipe 3 from Sample-adding 203 upper end of pore is inserted and secured on vaporization prevention cap 2, and the sample-adding pipe 3 includes hollow tube 301, hollow tube 301 303 diameter of arrival end of upper end is 5mm, and 302 diameter of outlet end of lower end is 2mm；

The sample-adding pore 203 of the 2 upper end pedestal 202 of vaporization prevention cap opens up connecting groove 204 and is connected with 3 upper end of pipe is loaded Seat 304 is connected；

The sample-adding pipe 3 is interference fit with connecting base 304；

The container 1 is conical vessel, and material is glass；

The vaporization prevention cap 2 is latex plug, and the diameter of sealing-plug 201 is smaller than pedestal 202；

The sample-adding pipe 3 is colored plastic tube；

Sample-adding 3 outer diameter of pipe is bigger than the internal diameter for being loaded pore 203；

The vaporization prevention cap 2 and container 1 are equipped with the plurality of specifications being mutually matched.

Embodiment 2

The simple pipettor vaporization prevention trap of the utility model, including sample-adding pipe, vaporization prevention cap and container, when in use, into When row liquid weighs, liquid can be added by sample feeding pipe arrival end 303, after liquid inlet container 1, due to sample feeding pipe outlet end 302 diameters are smaller, and vapor is not easy to overflow from container, realize and reduce the influence that evaporation weighs liquid.

The simple pipettor vaporization prevention trap of the utility model, including sample-adding pipe, vaporization prevention cap and container, can be a ten thousandth grade And the electronic balance offer of following level prevents sample-adding liquid evaporation effect；Humidity is 40%-80%, temperature 22-28 indoors DEG C when, the pipettor vaporization prevention trap can guarantee liquid evaporation amount be less than 0.5mg/10 minutes；Cheap simultaneously, material facilitates easy It obtains, only the price of similar product 1-5%；And safeguard it is simple, can be rinsed with tap water or with non-dust cloth wiping or Person is viscous to take the liquid such as distilled water, alcohol to wipe；Its is reasonable in design, can prevent the evaporation effect of sample-adding liquid；Cost Relative moderate is safeguarded simple and convenient；It is suitble to promote the use of.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this Utility model.The utility model is limited only by the claims and their full scope and equivalents.

Claims (7)

1. a kind of simple pipettor vaporization prevention trap, it is characterised in that: including sample-adding pipe, vaporization prevention cap and container, on the container End is vessel port, and vessel port inner wall is frosted line, and is sealed by vaporization prevention cap, and the vaporization prevention cap includes protruding into vessel port The pedestal of sealing-plug and outer end, perforative sample-adding pore is opened up on vaporization prevention cap, and sample-adding pipe is inserted into and consolidates from sample-adding pore upper end It is scheduled on vaporization prevention cap, the sample-adding pipe includes hollow tube, and the arrival end diameter of hollow tube upper end is 5mm, and lower end goes out Mouth end diameter is 2mm.

2. a kind of simple pipettor vaporization prevention trap as described in claim 1, it is characterised in that: vaporization prevention cap upper end pedestal Sample-adding pore open up connecting groove be loaded pipe upper end connecting base be connected；

The sample-adding pipe and connecting base are interference fit.

3. a kind of simple pipettor vaporization prevention trap as described in claim 1, it is characterised in that: the container is conical vessel, Material is glass.

4. a kind of simple pipettor vaporization prevention trap as described in claim 1, it is characterised in that: the vaporization prevention cap is latex Plug, the diameter of sealing-plug are smaller than pedestal.

5. a kind of simple pipettor vaporization prevention trap as described in claim 1, it is characterised in that: the sample-adding pipe is colored Plastic tube.

6. a kind of simple pipettor vaporization prevention trap as described in claim 1, it is characterised in that: the sample-adding pipe outside diameter is than sample-adding The internal diameter of pore is big.

7. a kind of simple pipettor vaporization prevention trap as described in claim 1, it is characterised in that: the vaporization prevention cap and container are set There is the plurality of specifications being mutually matched.