CN217875293U - Multi-channel vacuumizing and gas replacement portable device - Google Patents
Multi-channel vacuumizing and gas replacement portable device Download PDFInfo
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- CN217875293U CN217875293U CN202221438138.6U CN202221438138U CN217875293U CN 217875293 U CN217875293 U CN 217875293U CN 202221438138 U CN202221438138 U CN 202221438138U CN 217875293 U CN217875293 U CN 217875293U
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Abstract
The utility model relates to a portable equipment of multichannel evacuation and gas replacement, including gaseous replacement pipe, the both ends of gaseous replacement pipe respectively be connected with a three-way valve, one of them three-way valve links to each other with gas cylinder and vacuum hand pump respectively, gas cylinder upper end be provided with manometer and gas cylinder switch, gaseous replacement pipe lower part arranged a plurality of connecting pipes side by side, this connecting pipe tip is provided with the syringe needle, the connecting pipe mid-mounting have control switch. The device of the utility model is simple in structure, easily operation can be used for realizing the pretreatment of gas sampling container fast to the source of device raw and other materials easily acquires, and reuse. The utility model discloses a device can compensate traditional gas sampling container evacuation and gas replacement and wash pretreatment defect such as slow consuming time, sealed effect is poor, improves the precision of studying gas sample analysis and has shortened user's experiment processing time greatly.
Description
Technical Field
The utility model relates to a processing equipment technical field before the gas sampling especially relates to a portable equipment of multichannel evacuation and gas replacement.
Background
The pretreatment operation of the simple, quick and effective gas sampling container is not only an important technical support for researching the dynamic change of greenhouse gas of an ecological system, but also provides an important technical guarantee for a field test platform to obtain high-quality gas samples.
The gas sampling pretreatment is generally divided into two types, one is to manually pump out air in a sampling container by using an injector so as to enable the container to be in a vacuum state; one is to use an electric vacuum pump to automatically pump out air in the sampling container individually to make the container in a vacuum state.
The first method is easy to carry and operate, but the vacuum degree is low, the original gas residue in the sampling container is large, and the collected gas sample is easy to pollute; the second method can quickly extract vacuum and replace gas for cleaning the container for the sample container, however, the method is relatively heavy and heavy, needs power system supply, has harsh field gas sampling environment, and has great challenges in physical strength and safety for researchers due to imperfect power systems in many places and large devices for carrying.
Disclosure of Invention
The utility model aims to solve the technical problem that a portable equipment of multichannel evacuation and gas replacement is provided, provide technical support for accurately obtaining high-quality gas sample analysis.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a portable equipment of multichannel evacuation and gas replacement, includes the gas replacement pipe, the both ends of gas replacement pipe respectively be connected with a three-way valve, one of them three-way valve links to each other with gas cylinder and vacuum hand pump respectively, gas cylinder upper end be provided with manometer and gas cylinder switch, gas replacement pipe lower part arranged a plurality of connecting pipes side by side, this connecting pipe tip is provided with the syringe needle, connecting pipe mid-mounting have control switch.
As right technical scheme a supplement, gaseous replacement pipe be stereoplasm PVC pipe, the both ends of this stereoplasm PVC pipe are sealed through plastics are glued.
As a supplement to the technical scheme of the utility model, stereoplasm PVC pipe's external diameter be 5.0cm, the internal diameter is 2.0cm, length is 20cm.
As right technical scheme a supplement, stereoplasm PVC socle portion seted up a plurality of screw holes side by side, both ends and every screw hole department of this stereoplasm PVC pipe all connect a direct quick connector soon, direct quick connector end connection have a connecting pipe.
As right technical scheme a supplement, the diameter of screw hole be 1.5cm, interval between the adjacent screw hole is 3.0cm.
As right technical scheme a supplement, the both ends of stereoplasm PVC pipe respectively connect a direct quick connector soon, link to each other through the pipeline between this direct quick connector and the three-way valve.
It is right as a supplement of technical scheme, still include base and stand, the vertical stand of installing in base upper end, the gas replacement pipe fix on stand upper portion through rolling the area.
Has the beneficial effects that: the utility model relates to a multi-channel evacuation and gaseous portable equipment who replaces, device simple structure, easily operation can be used for realizing the pretreatment of gas sampling container fast to the source of device raw and other materials easily acquires, and repeatedly usable. The utility model discloses a device can compensate traditional gas sampling container evacuation and gas replacement and wash pretreatment defect such as slow consuming time, sealed effect difference, improves the precision of studying gas sample analysis and has shortened user's experiment processing time greatly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The figure is as follows: 1. the gas replacement pipe, 2, the direct quick connector, 3, the three-way valve, 4, vacuum manual pump, 5, the connecting pipe, 6, the gas cylinder, 7, the sampling bottle, 8, the control switch, 9, the syringe needle, 10, the stand, 11, the base, 12, the manometer, 13, the gas cylinder switch.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model discloses an embodiment relates to a portable equipment of multichannel evacuation and gas replacement, as shown in fig. 1, including gas replacement pipe 1, gas replacement pipe 1's both ends respectively be connected with a three-way valve 3, one of them three-way valve 3 links to each other with gas cylinder 6 and vacuum hand pump 4 respectively, another three-way valve 3 can regard as reserve, 6 upper ends of gas cylinder be provided with manometer 12 and gas cylinder switch 13, gas replacement pipe 1 lower part arranged a plurality of connecting pipes 5 side by side, 5 tip of this connecting pipe are provided with syringe needle 9, 5 mid-mounting of connecting pipe have control switch 8.
The gas replacement pipe 1 is a hard PVC pipe, and two ends of the hard PVC pipe are sealed by plastic cement.
In the test process, the hard PVC pipe is found to have the outer diameter of 5.0cm, the inner diameter of 2.0cm and the length of 20cm, so that the operation, the disassembly and the subsequent multi-row connection are convenient to realize.
The bottom of the hard PVC pipe is provided with a plurality of threaded holes side by side, the diameter of each threaded hole is 1.5cm, the distance between every two adjacent threaded holes is 3.0cm, two ends of the hard PVC pipe and each threaded hole are respectively screwed with a straight-through quick connector 2, and the end part of each straight-through quick connector 2 is connected with a connecting pipe 5.
Two ends of the hard PVC pipe are respectively and rotatably connected with a straight-through quick connector 2, and the straight-through quick connector 2 is connected with the three-way valve 3 through a pipeline. The copper threaded port is arranged at one end of the straight-through quick connector 2, the copper threaded port is used for screwing, the sealing port is quickly inserted at the other end of the straight-through quick connector, the sealing port is used for connecting a pipeline or a connecting pipe 5, and the aperture and the material of the straight-through quick connector 2 can be selected according to the research background.
The pipeline and the connecting pipe 5 are made of PE plastic pipes. The joints among the components of the whole device are sealed, so that the tightness of the device is not needed to be worried, the whole device is ensured to be airtight in the operation process, and higher vacuum degree and gas replacement efficiency are achieved.
The gas replacement pipe is characterized by further comprising a base 11 and a stand column 10, wherein the stand column 10 is vertically arranged at the upper end of the base 11, and the gas replacement pipe 1 is fixed to the upper portion of the stand column 10 through a rolled belt.
In a laboratory or a field test, the gas replacement pipe 1 is fixed on the upper part of the upright post 10 through a rolling belt, then the needle 9 of the connecting pipe 5 is directly pricked into a sampling bottle 7 (such as a 20mL headspace bottle), the gas replacement pipe 1 is communicated with the starting vacuum manual pump 4 under the initial state of the three-way valve 3, the gas replacement pipe 1 is not communicated with the gas bottle 6, and the starting vacuum manual pump 4 is used for vacuumizing the sampling bottle 7. In addition, if need aerify the cleaning operation to sampling bottle 7, adjust three-way valve 3 and communicate gas replacement pipe 1 and gas cylinder 6, gas replacement pipe 1 not with start vacuum hand pump 4 intercommunication, open gas cylinder switch 13, adjust the velocity of flow of manometer 12 on the gas cylinder 6, just can aerify gas cylinder 6, through continuous aerifing and evacuation, can effectively reduce original gaseous remaining in the sampling bottle 7.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The present application provides a multi-channel evacuation and gas replacement portable device, which is described in detail above, and the principles and embodiments of the present application are explained herein using specific examples, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (7)
1. A multi-channel evacuation and gas replacement portable device, comprising: including gas replacement pipe (1), the both ends of gas replacement pipe (1) respectively be connected with a three-way valve (3), one of them three-way valve (3) link to each other with gas cylinder (6) and vacuum hand pump (4) respectively, gas cylinder (6) upper end be provided with manometer (12) and gas cylinder switch (13), gas replacement pipe (1) lower part arranged a plurality of connecting pipes (5) side by side, this connecting pipe (5) tip is provided with syringe needle (9), connecting pipe (5) mid-mounting have control switch (8).
2. The multi-channel evacuated and gas-replaced portable device of claim 1, wherein: the gas replacement pipe (1) is a hard PVC pipe, and two ends of the hard PVC pipe are sealed by plastic cement.
3. The multi-channel evacuation and gas displacement portable device of claim 2, wherein: the hard PVC pipe has the outer diameter of 5.0cm, the inner diameter of 2.0cm and the length of 20cm.
4. The multi-channel evacuated and gas-replaced portable device of claim 2, wherein: the bottom of the hard PVC pipe is provided with a plurality of threaded holes side by side, both ends of the hard PVC pipe and each threaded hole are respectively screwed with a through quick connector (2), and the end part of the through quick connector (2) is connected with a connecting pipe (5).
5. The multi-channel evacuated and gas-replaced portable device of claim 4, wherein: the diameter of the threaded hole is 1.5cm, and the distance between every two adjacent threaded holes is 3.0cm.
6. The multi-channel evacuated and gas-replaced portable device of claim 2, wherein: two ends of the hard PVC pipe are respectively connected with a straight-through quick connector (2) in a rotating mode, and the straight-through quick connector (2) is connected with the three-way valve (3) through a pipeline.
7. The multi-channel evacuated and gas-replaced portable device of claim 1, wherein: still include base (11) and stand (10), base (11) upper end vertically install a stand (10), gas replacement pipe (1) fix on stand (10) upper portion through rolling the area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221438138.6U CN217875293U (en) | 2022-06-09 | 2022-06-09 | Multi-channel vacuumizing and gas replacement portable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221438138.6U CN217875293U (en) | 2022-06-09 | 2022-06-09 | Multi-channel vacuumizing and gas replacement portable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217875293U true CN217875293U (en) | 2022-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221438138.6U Active CN217875293U (en) | 2022-06-09 | 2022-06-09 | Multi-channel vacuumizing and gas replacement portable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217875293U (en) |
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2022
- 2022-06-09 CN CN202221438138.6U patent/CN217875293U/en active Active
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