CN218350179U

CN218350179U - Sample injector of analytical instrument

Info

Publication number: CN218350179U
Application number: CN202222564709.7U
Authority: CN
Inventors: 刘景超; 凌博; 马华强
Original assignee: Liaoning Shuangshili Pharmaceutical Technology Co ltd
Current assignee: Liaoning Shuangshili Pharmaceutical Technology Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-01-20
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses an analytical instrument injector belongs to the injector field. Analytical instrument injector, including the box, still include: the sample box is connected in the box body in a sliding mode, and an open slot is formed in the sample box; the sample gas pipe and the gas carrying port are arranged at the top of the box body; the fixing plate is arranged in the box body and is positioned above the sample box, and one end, close to the sample box, of the fixing plate is connected with a sliding plate matched with the open slot in a sliding mode; the sample gas chamber is arranged in the sample box, a supporting column is fixedly connected in the sample gas chamber, a placing plate is inserted on the supporting column, and a collecting box is connected in the placing plate in a sliding manner; the utility model discloses be difficult for causing the pollution to the injector is inside, and clear up easily, the gas mixture is mixed effectually.

Description

Sample injector of analytical instrument

Technical Field

The utility model relates to a sample injector field especially relates to analytical instrument sample injector.

Background

In the process of analyzing a sample by adopting an ion mobility general detection technology, firstly, a carrier gas and a sample gas are mixed by a sample injector and then input into detection equipment, the components of the mixed gas are specifically calculated and analyzed by the detection equipment, and finally, a detection result is displayed.

The patent publication numbers are: the utility model discloses a CN 212904954U's utility model discloses a multi-functional continuous sample injector for analytical instrument, this utility model is through the cooperation use that sets up mobile station, threaded rod, step motor and sealed lid, be convenient for put into the sample injector inside to the sample, install the carrier plate through the bracing piece on the top surface of mobile station simultaneously, the carrier plate surface has seted up the bleeder vent, through setting up the bleeder vent, be convenient for volatilize to the sample, install the carrier plate above the mobile station through the bracing piece simultaneously, thereby guarantee when the sample gets into the sample injector inside, be in the intermediate position of sample injector, this mode is convenient for volatilize at the sample and make volatilized gas thereby the sample injector middle to spread to around, thereby be favorable to the mixture of sample gas and carrier gas, improve the precision of later stage analysis;

although the stirring rod is arranged to stir the mixed gas in the sample device to uniformly mix the mixed gas, the space in the sample device is too large, the stirring rod groove is vertically arranged, dead angles exist during stirring, the mixed gas cannot be well stirred, the sample on the bearing plate is easily blown onto the moving platform, pollution is caused, and the sample device is troublesome to clean; therefore, to this problem, the utility model provides an analytical instrument injector.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the sample pollutes the inside of the sampler easily in the prior art, and providing an analytical instrument sample injector.

In order to realize the purpose, the utility model adopts the following technical scheme:

analytical instrument injector, including the box, still include: the sample box is connected in the box body in a sliding mode, and an open slot is formed in the sample box; the sample gas pipe and the gas carrying port are arranged at the top of the box body; the fixing plate is arranged in the box body and is positioned above the sample box, and one end, close to the sample box, of the fixing plate is connected with a sliding plate matched with the open slot in a sliding mode; the sample gas chamber is arranged in the sample box, a support column is fixedly connected in the sample gas chamber, a placing plate is inserted into the support column, and a collecting box is connected to the placing plate in a sliding mode.

Preferably, be equipped with the fixed block in the box, be equipped with the air extractor on the fixed block, the end of bleeding and the gas delivery end of air extractor are connected with exhaust tube and gas-supply pipe respectively, the one end that the air extractor was kept away from to the gas-supply pipe is linked together with the one end that the box was arranged in to the appearance gas pipe, the one end that the air extractor was kept away from to the exhaust tube runs through the fixed plate and is linked together with appearance gas chamber.

Furthermore, the bottom of fixed block is equipped with first telescopic link, the slide links to each other with the output of first telescopic link, be equipped with the second telescopic link in the box, the sample box is fixed with the output of second telescopic link and is connected.

Preferably, one end of the sampling gas pipe, which is far away from the gas conveying pipe, is provided with a needle head.

Preferably, the gas-carrying port is arranged at one end of the box body and is connected with a gas-carrying pipe, and the gas-carrying pipe penetrates through the fixing plate and is communicated with the sample gas chamber.

Preferably, the one end that the fixed plate is close to first telescopic link is equipped with the spout, the slide slides in the spout, the bottom of fixed plate is equipped with the holding tank, be equipped with the heating lamp in the holding tank.

Preferably, set up flutedly in the sample air chamber, be equipped with the fan in the recess, the top of support column is equipped with the jack, the bottom of placing the board is equipped with the inserted block with jack matched with, it is equipped with the hourglass net to place the inboard, and the hourglass net of telling is located the top of collecting the box.

Compared with the prior art, the utility model provides an analytical instrument injector possesses following beneficial effect:

1. this analytical instrument injector is less than the setting of placing the board through leaking the net to and leak the collection box that the net below set up, collect the collection box with less tiny sample, make the sample be difficult for being blown down, and slidable collects the box, made things convenient for the staff to clear up placing the board.

2. This analytical instrument injector supports the recess on the sample box through the bottom of slide to make slide and fixed plate sealed with the appearance air chamber, make the better gas mixture to in the appearance air chamber of fan mix, make mixed effect better, help the accurate analysis of later stage analytical instrument.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses be difficult for causing the pollution to the injector is inside, and clear up easily, the gas mixture is mixed effectually.

Drawings

Fig. 1 is a perspective view of a sample injector of an analytical instrument according to the present invention;

FIG. 2 is a side view of a sample injector of an analytical instrument according to the present invention;

FIG. 3 is a perspective view of a sample cartridge in a sample injector of an analytical instrument according to the present invention;

fig. 4 is a perspective view of a support column in a sample injector of an analytical instrument according to the present invention;

FIG. 5 is a perspective view of a placement plate in a sample injector of an analytical instrument according to the present invention;

fig. 6 is a perspective view of a fixing plate of a sample injector of an analysis instrument according to the present invention;

FIG. 7 is a schematic view of the structure of the needle of the sample injector of the analyzer of the present invention;

fig. 8 is a bottom view of a fixing plate in a sample injector of an analytical instrument according to the present invention.

In the figure: 1. a box body; 2. a sample cartridge; 201. a sample gas chamber; 202. a fan; 203. a groove; 204. a support pillar; 205. a jack; 206. placing the plate; 207. inserting a block; 208. a collection box; 209. a leakage net; 2010. an open slot; 3. sampling the gas pipe; 4. a carrier port; 401. a carrier gas pipe; 5. an air extractor; 6. an air exhaust pipe; 7. a gas delivery pipe; 8. a fixing plate; 801. a slide plate; 802. a chute; 803. accommodating grooves; 9. a first telescopic rod; 10. a second telescopic rod; 11. a fixed block; 12. a needle head; 13. a heating lamp.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-8, in the sample injector of the analytical instrument, a sample box 2 is slidably connected in a box body 1, and an open slot 2010 is formed in the sample box 2; a fan 202 is arranged in the sample box 2; the top of the box body 1 is provided with a sample gas pipe 3; the top of the box body 1 is provided with an air carrying port 4; a fixing plate 8 is fixedly connected in the box body 1, the fixing plate 8 is positioned above the sample box 2, and one end, close to the sample box 2, of the fixing plate 8 is slidably connected with a sliding plate 801 matched with the open slot 2010; a sample gas chamber 201 is arranged in the sample box 2, a supporting column 204 is fixedly connected in the sample gas chamber 201, a placing plate 206 is inserted in the supporting column 204, and a collecting box 208 is slidably connected in the placing plate 206.

The utility model discloses in, the user is when using, at first control sample box 2 and slide to box 1 outward, until will place in board 206 roll-off box 1, so that the user operates placing board 206, then the user wears gloves, will place board 206 and take out perpendicularly, take out collection box 208, clear up it, then put back and collect box 208, put into the sample on placing board 206, then make sample box 2 slide into box 1 in, through load gas mouth 4 to the sample gas room 201 input carrier gas, with sample gas and carrier gas misce bene back, it can to input analytical instrument through sample gas pipe 3 with the carrier gas after mixing.

A fixed block 11 is arranged in the box body 1, an air extractor 5 is arranged on the fixed block 11, an air extracting end and an air conveying end of the air extractor 5 are respectively connected with an air extracting pipe 6 and an air conveying pipe 7, one end, far away from the air extractor 5, of the air conveying pipe 7 is communicated with one end, far away from the air extractor 5, of the sample air pipe 3, of the box body 1, and one end, far away from the air extractor 5, of the air extracting pipe 6 penetrates through the fixed plate 8 and is communicated with the sample air chamber 201; the bottom of the fixed block 11 is provided with a first telescopic rod 9, the sliding plate 801 is connected with the output end of the first telescopic rod 9, a second telescopic rod 10 is arranged in the box body 1, and the sample box 2 is fixedly connected with the output end of the second telescopic rod 10; one end of the sample gas pipe 3 far away from the gas pipe 7 is provided with a needle head 12; the second telescopic rod 10 is started firstly, the second telescopic rod 10 pushes the sample box 2 to slide towards the outside of the box body 1 until the placing plate 206 slides out of the box body 1, so that a user can operate the placing plate 206, the first telescopic rod 9 is controlled, the sliding plate 801 moves downwards until the bottom of the sliding plate 801 abuts against the groove 203 on the sample box 2, the sliding plate 801 and the fixing plate 8 seal the sample gas chamber 201, then the air extractor 5 is started, and the air extraction pipe 6 extracts mixed sample gas and carrier gas from the sample gas chamber 201 and inputs the mixed sample gas and carrier gas into the sample gas pipe 3 through the air conveying pipe 7.

One end of the gas carrying port 4, which is arranged on the box body 1, is connected with a gas carrying pipe 401, and the gas carrying pipe 401 penetrates through the fixing plate 8 and is communicated with the sample gas chamber 201; one end of the fixing plate 8 close to the first telescopic rod 9 is provided with a sliding chute 802, the sliding plate 801 slides in the sliding chute 802, the bottom of the fixing plate 8 is provided with an accommodating groove 803, and the accommodating groove 803 is internally provided with the heating lamp 13; a groove 203 is formed in the sample gas chamber 201, a fan 202 is arranged in the groove 203, a jack 205 is arranged at the top of the support column 204, an inserting block 207 matched with the jack 205 is arranged at the bottom of the placing plate 206, a leakage net 209 is arranged in the placing plate 206, and the leakage net 209 is positioned above the collecting box 208; the user wears gloves, will place board 206 and take out perpendicularly, take out collection box 208, clear up it, then put back collection box 208, put into the sample on placing board 206, then pick up and place board 206, make the jack 205 of placing the jack 207 alignment support column 204 top setting of board 206 bottom, will place board 206 and peg graft on support column 204, then control second telescopic link 10, make sample box 2 slide into box 1, to some samples that have the temperature requirement, the heat lamp 13 of fixed plate 8 bottom can regulate and control the temperature, make the sample volatilize more fast, through carrier gas mouth 4 to the input carrier gas of sample gas room 201, then start fan 202, fan 202 makes the sample gas and the carrier gas intensive mixing in the sample gas room 201, help the accuracy of later stage analysis.

In the process of analyzing a sample by adopting an ion migration general detection technology, firstly, a carrier gas and a sample gas are mixed by a sample injector and then input into a detection device, when a user uses the detection device, the user firstly starts the second telescopic rod 10 to enable the second telescopic rod 10 to push the sample box 2 to slide outwards from the box body 1 until the placing plate 206 slides out of the box body 1, so that the user can operate the placing plate 206, then the user wears gloves to vertically take out the placing plate 206, takes out the collecting box 208, cleans the collecting box 208, then puts back the collecting box 208, puts a sample on the placing plate 206, then takes up the placing plate 206, enables the inserting block 207 at the bottom of the placing plate 206 to be aligned with the inserting hole 205 arranged at the top of the supporting column 204, inserts the placing plate 206 on the supporting column 204, and then controls the second telescopic rod 10 to enable the sample box 2 to slide into the box body 1; the first telescopic rod 9 is controlled to move the sliding plate 801 downwards until the bottom of the sliding plate 801 abuts against the groove 203 on the sample box 2, so that the sliding plate 801 and the fixing plate 8 seal the sample gas chamber 201, for some samples with temperature requirements, the heating lamp 13 at the bottom of the fixing plate 8 can regulate and control the temperature to enable the samples to volatilize more quickly, carrier gas is input into the sample gas chamber 201 through the carrier gas port 4, then the fan 202 is started, the fan 202 enables the sample gas and the carrier gas in the sample gas chamber 201 to be mixed fully to facilitate the accuracy of later analysis, then the air extractor 5 is started, the air extraction pipe 6 extracts the mixed sample gas and carrier gas from the sample gas chamber 201 and inputs the mixed sample gas and carrier gas into the sample gas pipe 3 through the air conveying pipe 7, then a user takes up the sample gas pipe 3 and inserts the needle 12 into an analysis instrument, so that the mixed sample gas and carrier gas can be input into the analysis instrument.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Analytical instrument injector, including box (1), its characterized in that still includes:

the sample box (2) is connected in the box body (1) in a sliding mode, and an open slot (2010) is formed in the sample box (2);

a fan (202) disposed within the sample cartridge (2);

the sample gas pipe (3) is arranged at the top of the box body (1);

the air carrying port (4) is arranged at the top of the box body (1);

the fixing plate (8) is fixedly connected in the box body (1), the fixing plate (8) is positioned above the sample box (2), and one end, close to the sample box (2), of the fixing plate (8) is connected with a sliding plate (801) matched with the open groove (2010) in a sliding mode;

the sample gas chamber (201) is arranged in the sample box (2), a supporting column (204) is fixedly connected in the sample gas chamber (201), a placing plate (206) is inserted into the supporting column (204), and a collecting box (208) is connected in the placing plate (206) in a sliding mode.

2. The sample injector of the analytical instrument as defined in claim 1, wherein a fixing block (11) is provided in the case (1), an air extractor (5) is provided on the fixing block (11), an air extraction end and an air delivery end of the air extractor (5) are respectively connected with an air extraction pipe (6) and an air delivery pipe (7), one end of the air delivery pipe (7) far away from the air extractor (5) is communicated with one end of the sample air pipe (3) placed in the case (1), and one end of the air extraction pipe (6) far away from the air extractor (5) penetrates through the fixing plate (8) and is communicated with the sample air chamber (201).

3. The sample injector for analytical instruments according to claim 2, characterized in that the bottom of the fixed block (11) is provided with a first telescopic rod (9), the sliding plate (801) is connected with the output end of the first telescopic rod (9), a second telescopic rod (10) is arranged in the box body (1), and the sample box (2) is fixedly connected with the output end of the second telescopic rod (10).

4. The sampler of claim 2, wherein the sample tube (3) is provided with a needle (12) at the end thereof remote from the gas tube (7).

5. The sample injector for analytical instruments according to claim 1, characterized in that the gas carrier port (4) is connected to a gas carrier tube (401) at the end of the housing (1), the gas carrier tube (401) extending through the fixing plate (8) and communicating with the sample gas chamber (201).

6. The sample injector for analytical instruments according to claim 3, wherein the fixing plate (8) has a sliding groove (802) at its end near the first telescopic rod (9), the sliding plate (801) slides in the sliding groove (802), the bottom of the fixing plate (8) has a receiving groove (803), and the receiving groove (803) has a heating lamp (13) therein.

7. The sample injector of claim 1, wherein a groove (203) is formed in the sample chamber (201), the fan (202) is fixed in the groove (203), the top of the support column (204) is provided with a jack (205), the bottom of the placement plate (206) is provided with an insert (207) matched with the jack (205), a leakage net (209) is arranged in the placement plate (206), and the leakage net (209) is located above the collection box (208).