CN212207223U - Novel additional preheating device structure of headspace sample injector - Google Patents
Novel additional preheating device structure of headspace sample injector Download PDFInfo
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- CN212207223U CN212207223U CN202021013625.9U CN202021013625U CN212207223U CN 212207223 U CN212207223 U CN 212207223U CN 202021013625 U CN202021013625 U CN 202021013625U CN 212207223 U CN212207223 U CN 212207223U
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Abstract
The utility model discloses a novel additional preheating device structure of headspace sample injector, including first heating device, first heating device's fixed surface is connected with second heating device, and the level aligns the setting each other between second heating device and the first heating device. The utility model discloses in, the rotation through the carousel drives the sample that awaits measuring and moves to second heating device's bottom side, it is just upwards ejecting to the sample that awaits measuring of second heating device to preheat the position ejector pin in with the carousel simultaneously, make preheating position preheat it, preheat the sample that awaits measuring after the position ejector pin drives preheating after the preheating time of settlement and reset, then along with the rotation of carousel, the messenger is preheated the sample that awaits measuring and moves to first heating device's bottom side, and heat it through heating the position ejector pin and heat it, the corresponding sample that awaits measuring on the sample next door that awaits measuring of heating the position heating also preheats the ejecting carousel of position ejector pin at the bottom of second heating device along with it, with this operation, be convenient for accomplish test work high-efficiently.
Description
Technical Field
The utility model relates to a headspace sample injector technical field especially relates to a novel additional preheating of headspace sample injector device structure.
Background
A headspace sample injector 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) 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, a tedious sample pretreatment process can be avoided by using a headspace sample injection technology, interference caused by an organic solvent on analysis is avoided, and pollution to a chromatographic column and a sample injection port is reduced, and the headspace sample injector can be connected with gas chromatographs of various models at home and abroad;
at present, the existing headspace sample injector is not provided with a corresponding preheating device, so that some samples to be detected are directly heated when needing to be detected, the detection efficiency of the method is difficult to be improved, and the temperature of the samples to be detected is difficult to rapidly rise.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing an additional preheating device structure of a novel headspace sample injector.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a novel additional preheating device structure of headspace sample injector, includes first heating device, first heating device's surface fixedly connected with second heating device, and the level aligns the setting each other between second heating device and the first heating device, second heating device is provided with the carousel with first heating device's bottom side jointly, the bottom side of carousel is provided with the slide rail, slide rail embedding sliding connection has the motion slider, one side fixedly connected with heating position ejector pin that the top side of motion slider corresponds first heating device, one side fixedly connected with preheating position ejector pin that the top side of motion slider corresponds second heating device.
As a further description of the above technical solution:
and the outer side wall of the moving slide block is fixedly connected with a limiting plate.
As a further description of the above technical solution:
and one side of the slide rail, which is close to the limiting plate, is provided with an optocoupler limiter.
As a further description of the above technical solution:
the bottom side of the motion slider is provided with an electric pulley, and the electric pulley is embedded into the inner bottom side of the sliding rail.
As a further description of the above technical solution:
the first heating device is a heating position.
As a further description of the above technical solution:
the second heating device is a preheating position.
The utility model discloses following beneficial effect has:
the additional preheating device structure of the novel headspace sample injector comprises a moving slide block, an electric pulley, a preheating position ejector rod, a second heating device, a preheating position ejector rod, a first heating device, a second heating device, a preheating device, a first heating device, a second heating device, a heating position ejector rod, a second heating device, a preheating position ejector rod, a first heating device, a second heating device, a heating position ejector rod, a second heating device, a third heating device and a heating position ejector rod, wherein the moving slide block is driven by the electric pulley to move towards one side of the optical coupler stopper in a slide rail, when a limiting plate on the moving slide rail moves to one side of the optical coupler stopper, the electric pulley stops moving by the detection, the sample to be tested beside the sample to be tested and heated by the corresponding heating position is preheated by the preheating position ejector rod ejection turntable under the second heating device, so that the operation is facilitated, the maximization of the preheating time is simply realized, and the test work is conveniently and efficiently completed.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is an enlarged schematic view of the position a of the present invention.
Illustration of the drawings: 1. a first heating device; 2. a second heating device; 3. a turntable; 4. a heating position mandril; 5. preheating a position mandril; 6. a moving slide block; 7. a slide rail; 8. a limiting plate; 9. an optocoupler stopper; 10. an electric pulley.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides an additional preheating device structure of novel headspace sample injector, including first heating device 1, the outer fixed surface of first heating device 1 is connected with second heating device 2, and the level aligns the setting each other between second heating device 2 and the first heating device 1, second heating device 2 is provided with carousel 3 with first heating device 1's bottom side jointly, the bottom side of carousel 3 is provided with slide rail 7, slide rail 7 embedding sliding connection has motion slider 6, one side fixedly connected with heating position ejector pin 4 that the top side of motion slider 6 corresponds first heating device 1, one side fixedly connected with preheating position ejector pin 5 that the top side of motion slider 6 corresponds second heating device 2.
The outer side wall of the moving slide block 6 is fixedly connected with a limiting plate 8, so that an optical coupler limiting device 9 can detect the position state of the moving slide block 6 conveniently, and the probability of movement errors is avoided; an optocoupler limiter 9 is arranged on one side, close to the limiting plate 8, of the slide rail 7, so that the position state of the moving slide block 6 can be conveniently detected, and the probability of movement errors is avoided; an electric pulley 10 is arranged at the bottom side of the moving sliding block 6, and the electric pulley 10 is embedded into the inner bottom side of the sliding rail 7, so that the moving sliding block 6 can be driven to move on the sliding rail 7 conveniently; the first heating device 1 is a heating position, so that a sample to be detected can be heated after heating; the second heating device 2 is a preheating position, so that the sample to be detected can be conveniently preheated, and the heating rate after the sample is promoted.
The working principle is as follows: when an additional preheating device structure of the novel headspace sample injector is used, firstly, the electric pulley 10 drives the moving slide block 6 to move towards one side of the optical coupling limiter 9 in the slide rail 7, when the limiting plate 8 on the moving slide block 6 moves to one side of the optical coupling limiter 9, the electric pulley 10 stops moving through the detection of the optical coupling limiter 9, so that the heating position ejector rod 4 and the preheating position ejector rod 5 accurately stop at the bottom side of the hole position of the rotary disc 3, the sample to be detected is driven to move to the bottom side of the second heating device 2 through the rotation of the rotary disc 3, meanwhile, the preheating position ejector rod 5 ejects the sample to be detected which is just opposite to the second heating device 2 in the rotary disc 3 upwards, the preheating position preheats the sample, the preheated sample to be detected is driven to reset by the preheating position ejector rod 5 after the set preheating time, then, the preheated sample to be detected moves to the bottom side of the first heating device 1 along with the rotation of the rotary disc 3, the heating position ejector rod 4 is used for ejecting the sample to be tested out for heating, and the corresponding sample to be tested beside the sample to be tested heated by the heating position is preheated by the preheating position ejector rod 5 and the ejection rotary disc 3 under the second heating device 2, so that the operation is realized, the maximization of the preheating time is facilitated to be simply realized, the test work can be efficiently completed, and the practicability is certain.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.
Claims (6)
1. An additional preheating device structure of a novel headspace sample injector comprises a first heating device (1) and is characterized in that: the outer fixed surface of first heating device (1) is connected with second heating device (2), and levels each other between second heating device (2) and the first heating device (1) and align the setting, second heating device (2) are provided with carousel (3) with the bottom side of first heating device (1) jointly, the bottom side of carousel (3) is provided with slide rail (7), slide rail (7) embedding sliding connection has motion slider (6), one side fixedly connected with heating position ejector pin (4) that the top side of motion slider (6) corresponds first heating device (1), one side fixedly connected with preheating position ejector pin (5) that the top side of motion slider (6) corresponds second heating device (2).
2. The structure of the additional preheating device of the novel headspace sampler as claimed in claim 1, wherein: and the outer side wall of the moving slide block (6) is fixedly connected with a limiting plate (8).
3. The structure of the additional preheating device of the novel headspace sampler as claimed in claim 1, wherein: and an optocoupler limiter (9) is arranged on one side, close to the limiting plate (8), of the sliding rail (7).
4. The structure of the additional preheating device of the novel headspace sampler as claimed in claim 1, wherein: the bottom side of the motion sliding block (6) is provided with an electric pulley (10), and the electric pulley (10) is embedded into the inner bottom side of the sliding rail (7).
5. The structure of the additional preheating device of the novel headspace sampler as claimed in claim 1, wherein: the first heating device (1) is a heating position.
6. The structure of the additional preheating device of the novel headspace sampler as claimed in claim 1, wherein: the second heating device (2) is a preheating position.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021013625.9U CN212207223U (en) | 2020-06-05 | 2020-06-05 | Novel additional preheating device structure of headspace sample injector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021013625.9U CN212207223U (en) | 2020-06-05 | 2020-06-05 | Novel additional preheating device structure of headspace sample injector |
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| CN212207223U true CN212207223U (en) | 2020-12-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994225A (en) * | 2022-08-05 | 2022-09-02 | 河北华清环境科技集团股份有限公司 | Full-automatic headspace sample injector |
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- 2020-06-05 CN CN202021013625.9U patent/CN212207223U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114994225A (en) * | 2022-08-05 | 2022-09-02 | 河北华清环境科技集团股份有限公司 | Full-automatic headspace sample injector |
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