CN209841800U - Cleaning disc of sample injector - Google Patents

Abstract

The utility model belongs to gas phase laboratory paraphernalia, a washing dish of injector, wherein the mechanical steering column of injector is fixed to be set up on turning to the seat to rotate along with turning to the seat, and still be provided with airtight needle actuating mechanism in wherein one side of square mechanical steering column, wash the fixed bottom that sets up at the mechanical steering column of injector of dish, it sets up the through-hole on being located the part of injector bottom, so that the transmission part that turns to the seat passes through wherein, wash the fan-shaped structure of dish for the deformation, circular end wherein sets up the through-hole, and the fan-shaped end of the other end sets up five shallow slots. The utility model provides a wash the dish and can make things convenient for the airtight needle to wash, also made things convenient for behind the change sample, clearance and the use that the airtight needle suits needn't more airtight needle can carry out the detection of corresponding sample, the utility model relates to a rationally, simple structure, convenient to use.

Description

Cleaning disc of sample injector

Technical Field

The utility model belongs to gas-phase laboratory equipment relates to a washing dish of injector.

Background

The headspace sample introduction is a convenient and fast sample pretreatment method in gas chromatography, and the principle is that a sample to be detected is placed in a closed container, volatile components are volatilized from a sample matrix through heating, balance is achieved in a gas-liquid (or gas-solid) two phase, and top gas is directly extracted for chromatographic analysis, so that the components and the content of the volatile components in the sample are detected. The headspace sampling technology can avoid a tedious and tedious sample pretreatment process, avoid interference of an organic solvent on analysis, reduce pollution to a chromatographic column and a sampling port, and connect the headspace sampler with a gas chromatograph to finish accurate detection of a sample.

The injector that present cooperation was used only can continuity detect same kind of sample, when changing different kind samples, needs to change the airtight needle of injector and washs, and this process need consume certain time length and manpower and just can accomplish.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who exists among the prior art that solves detects the problem that different samples need to be changed and wash airtight needle provides the washing dish of a kind of injector.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides a washing dish of injector, wherein the mechanical steering column of injector is fixed to be set up on turning to the seat to rotate along with turning to the seat, and square mechanical steering column wherein still be provided with airtight needle actuating mechanism on one side, wash the fixed bottom that sets up at the mechanical steering column of injector of dish, it sets up the through-hole on being located the part of injector bottom to the transmission part that turns to the seat passes through wherein, wash the dish for the fan-shaped structure of deformation, circular end wherein sets up the through-hole, and the fan-shaped end of the other end sets up five shallow slots.

Further, the largest groove body on the cleaning disc is used for placing a waste liquid container bottle, and the shape of the groove body is set to be suitable for the shape of the waste liquid container bottle.

Further, the waste liquid container bottle constitutes container body shape by the two sides cambered surface, and these two cambered surfaces are concentric and the crooked direction is the same, intrados and extrados respectively, and the centre of extrados outwards extrudees out and forms a square bulge, and square bulge's top integrated into one piece is circular opening and sets up the lid.

Furthermore, the cover body and the cleaning container bottle are identical in size and structure, and the cleaning container bottle is placed in circular hole grooves symmetrically formed in the two sides of the cover body.

Furthermore, the circular hole groove bodies are four in number and are arranged along the circular arcs of the fan-shaped ends, and the circular hole groove bodies are arranged in a symmetrical mode with the cover bodies as centers in pairs.

Compared with the prior art, the utility model beneficial effect who has is: the utility model provides a wash the dish and can make things convenient for the airtight needle to wash, also made things convenient for behind the change sample, clearance and the use that the airtight needle suits needn't more airtight needle can carry out the detection of corresponding sample, the utility model relates to a rationally, simple structure, convenient to use.

Drawings

FIG. 1 is a schematic top view of various portions of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure A-A in FIG. 1;

FIG. 3 is a schematic top view of a cleaning tray according to the present invention;

FIG. 4 is a schematic top view of a bottle of cleaning solution according to the present invention;

FIG. 5 is a schematic front view of a bottle of cleaning solution according to the present invention;

in the figure, 1 is a mechanical steering column, 11 is a steering base, 2 is an airtight needle actuating mechanism, 3 is a rotating sample disk, 31 is a sample placing groove, 4 is a cleaning disk, 41 is a waste liquid container bottle, 42 is a cleaning container bottle, 43 is a through hole, 411 is an inner arc surface, 412 is an outer arc surface, 413 is a square bulge, and 414 is a cover body.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

As shown in fig. 1 ~ 2, a cleaning disc for a sample injector, wherein a mechanical steering column 1 of the sample injector is fixedly disposed on a steering seat 11 and rotates along with the steering seat, and one side of a square mechanical steering column 1 is further provided with an airtight needle action mechanism 2, wherein the airtight needle is vertically disposed and drives the airtight needle to sample through a mechanical structure in the prior art, and a rotating sample disc 3 of the sample injector is disposed corresponding to the airtight needle action mechanism 2, and the arrangement of a sample placement groove 31 thereon is also suitable for the sampling action of the airtight needle, the cleaning disc 4 is fixedly disposed at the bottom of the mechanical steering column 1 of the sample injector, and a through hole 43 is disposed on a portion of the bottom of the sample injector, so that a transmission portion of the steering seat 11 passes through the through hole, and the situation that the mechanical steering column 1 is not driven by the steering seat 11 to operate is not caused, and the above components are operated by using an existing mechanical structure and controlled by a control system, which is not applicable to the rotation of the rotating needle from the prior art to the rotating needle action mechanism 2, and the rotating disc 4 can be used as a quasi-rotating effect of the rotating needle rotation mechanism.

As shown in fig. 3 ~ 5, the cleaning tray 4 is a modified fan-shaped structure, in which a circular end is provided with a through hole 43, and the other fan-shaped end is provided with 5 shallow grooves, wherein the largest one of the groove bodies is used for placing the waste liquid container bottle 41, and the shape of the largest groove body is adapted to the shape of the waste liquid container bottle 41, the waste liquid container bottle 41 is formed into a container body shape by two arc surfaces which are concentric and have the same bending direction, in a top view state, the two arc surfaces are respectively an inner arc surface 411 and an outer arc surface 412, and the middle of the outer arc surface 412 protrudes outwards to form a square protrusion 413, the top end of the square protrusion 413 is integrally formed into a circular opening, and a cover 414 is provided for sampling by a hermetically sealed needle, the cover 414 is the same in size and structure as those of the cleaning container bottle 42, and the cleaning container bottle 42 is placed in a circular hole groove body symmetrically arranged on both sides of the cover 414, the circular hole groove bodies are arranged along four circular arcs of the fan-shaped ends, and.

The utility model discloses when using, in case change the sample and detect, only need to wash the full cleaning solution in the container bottle 42 with two, fill (low concentration) corresponding sample in other two washing container bottles 42, then airtight needle operating mechanism 2 rotates the washing container bottle 42 top of filling with the washing liquid, wash twice, and discharge the waste liquid in waste liquid container bottle 41, carry out the extraction of twice corresponding sample after that, also discharge the waste liquid in waste liquid container bottle 41, just accomplished the cleaning work before the sample test.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and any person skilled in the art can make modifications or equivalent variations of the equivalent embodiments when using the above-mentioned disclosure without departing from the technical scope of the present invention.

Claims (5)

1. The utility model provides a washing dish of injector, wherein the mechanical steering column of injector is fixed to be set up on turning to the seat to rotate along with turning to the seat, and square mechanical steering column wherein still be provided with airtight needle actuating mechanism on one side, its characterized in that, wash the fixed bottom that sets up at the mechanical steering column of injector of dish, it sets up the through-hole on being located the part of injector bottom to it passes through wherein to turn to the transmission part of seat, wash the dish for the fan-shaped structure of deformation, circular end wherein sets up the through-hole, and the fan-shaped end of the other end sets up five shallow slots.

2. The cleaning tray for the sample injectors as claimed in claim 1, wherein the largest slot on the cleaning tray is used for holding the waste liquid container bottle, and the shape of the slot is set to fit the shape of the waste liquid container bottle.

3. The cleaning disc of the sample injector according to claim 2, wherein the waste liquid container bottle has a container body shape formed by two cambered surfaces which are concentric and have the same bending direction, and the two cambered surfaces are respectively an inner cambered surface and an outer cambered surface, the middle of the outer cambered surface protrudes outwards to form a square bulge, and the top end of the square bulge is integrally formed into a circular opening and provided with a cover body.

4. The cleaning tray for the sample injectors as claimed in claim 3, wherein the cover is the same size and structure as the cleaning container bottle, and the cleaning container bottle is placed in a circular groove symmetrically arranged on both sides of the cover.

5. The cleaning disc for the sample injector as claimed in claim 4, wherein the circular holes are arranged along four circular arcs of the fan-shaped end, and the circular holes are arranged symmetrically with the cover as the center.