CN217385364U - Multi-flow-path control valve with flow limiting structure - Google Patents
Multi-flow-path control valve with flow limiting structure Download PDFInfo
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- CN217385364U CN217385364U CN202220739241.8U CN202220739241U CN217385364U CN 217385364 U CN217385364 U CN 217385364U CN 202220739241 U CN202220739241 U CN 202220739241U CN 217385364 U CN217385364 U CN 217385364U
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- sampling
- control valve
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- sample
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- 230000000670 limiting effect Effects 0.000 title description 5
- 238000005070 sampling Methods 0.000 claims abstract description 71
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 10
- 210000005056 cell body Anatomy 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000605 extraction Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 2
- 239000012535 impurity Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of chromatographic sampling, in particular to a multi-flow path control valve with a flow-limiting structure, which comprises a sampling bin, wherein the bottom end position of the sampling bin is provided with a sampling base through integral molding, and one side position of the bottom end of the sampling base is provided with a sampling joint, the inner side surface of the sampling joint is provided with a sampling opening through integral pouring molding processing, in the utility model, through the arranged sampling base, the sampling opening, a positioning bracket, an adjusting screw rod, an adjusting turntable and an end cap, when the adjusting turntable carries the adjusting screw rod to realize rotary rotation, the end cap can utilize the plugging effect of the end cap on the sampling opening after realizing inward or outward stretching action to assist the whole control valve to quickly realize the flow-limiting effect on a plurality of independent flow paths, and through the quick realization of the flow-limiting and-controlling treatment on the independent flow paths, the sampling process can be effectively avoided, the phenomenon of resource waste is caused by excessive extraction of the sample to be detected.
Description
Technical Field
The utility model relates to a chromatogram sample technical field specifically is a multithread way control valve with current-limiting structure.
Background
The chromatograph is generally suitable for offline sampling analysis in a laboratory, but in the industrial production process, most occasions need to monitor the components of the product in real time on line so as to achieve the purposes of process control and safety monitoring, the chromatograph is widely used for chemical products and analysis of certain content of high polymer materials, the gel chromatograph can also measure the molecular weight and the distribution of the high polymer materials, and when the sample sampling operation is carried out through a multi-flow-path structure connected with the chromatograph, the flow control is usually carried out by means of a multi-flow-path control valve. When a multi-flow-path control valve on the market is used for sampling operation, excessive samples are directly extracted, so that certain resources are directly wasted, and when the samples with impurities are directly mixed and extracted, the times of blockage inside a flow path of the whole control valve are easily increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a multithread way control valve with current-limiting structure to the sample that provides in solving above-mentioned background art can't to the extraction carries out the current-limiting and handles and has impurity's the mixed extraction of sample, will cause the inside problem that the phenomenon of jam appears of flow path.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a multithread way control valve with current-limiting structure, includes the sample storehouse, the bottom position in sample storehouse is provided with the sample base through integrated into one piece, and a bottom side position of sample base installs the sampling joint, the sample opening has been seted up through integrative pouring shaping processing to the medial surface of sampling joint, and sample open-ended inside inlays and is equipped with the end cap, the inside left side below position of sample base is connected with the locating support, and the middle part position screwed connection of locating support has adjusting screw, adjusting screw's one end position is connected with the regulation carousel.
Preferably, the top end position of the sampling bin is hermetically connected with a vacuum compression chamber, and the bottom end position of the sampling bin is connected with a sampling base with a conical structure.
Preferably, the sampling connectors are distributed outside the sampling base in an annular array structure, and the insides of the sampling connectors are communicated with the insides of the sampling base through the sampling openings.
Preferably, the inner end of the sampling opening is matched with the outer end of the plug, the plug and the adjusting screw rod are integrally formed, and the adjusting screw rod is connected with the adjusting turntable to form a T-shaped structure.
Preferably, the outside of sampling joint covers there is the toper screen panel, and the top of toper screen panel is provided with the screw thread lantern ring through integrated into one piece, coincide each other between the vertical axis of toper screen panel and the vertical axis in sample storehouse, and the bottom face in sample storehouse set up with screw thread lantern ring screwed connection's cell body, the both sides position of the screw thread lantern ring all is connected with the short column.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the utility model, through the arranged sampling base, the sampling opening, the positioning bracket, the adjusting screw, the adjusting turntable and the plug, when the adjusting turntable carries the adjusting screw to realize the rotation, the plug can utilize the plugging effect of the plug on the sampling opening after realizing the inward or outward stretching action to assist the whole control valve to quickly realize the current limiting effect on a plurality of independent flow paths, and through the limitation and current control treatment on the independent flow paths, the phenomenon of resource waste caused by excessive extraction of a sample to be detected in the sampling process can be effectively avoided;
2. the utility model discloses in, through the short column that sets up, the sampling joint, the toper screen panel, the screw thread lantern ring and the sample storehouse, when the screw connection in screw thread lantern ring quick realization and sample storehouse, will utilize self to a plurality of sampling joint's coverage effect, come when the sample that awaits measuring is extracted to the sampling joint, play certain screening filterable effect, through can carrying out filtration treatment to the sample that internally has impurity, can avoid the extraction of impurity to sneak into, the phenomenon of inside jam appears in the flow path that leads to whole control valve.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the sampling base of the present invention;
fig. 3 is a schematic view of the mounting structure of the conical mesh enclosure of the present invention.
In the figure: 1-sampling bin, 2-vacuum compression chamber, 3-sampling base, 4-sampling joint, 5-sampling opening, 6-plug, 7-positioning support, 8-adjusting screw, 9-adjusting turntable, 10-conical mesh enclosure, 11-threaded lantern ring and 12-short column.
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.
Referring to fig. 1-3, the present invention provides a technical solution:
the utility model provides a multithread way control valve with current-limiting structure, including sample storehouse 1, the bottom position in sample storehouse 1 is provided with sample base 3 through integrated into one piece, and sample joint 4 is installed to bottom one side position of sample base 3, sample opening 5 has been seted up through integrated into one piece pouring shaping processing to the medial surface of sample joint 4, and the inside of sample opening 5 inlays and is equipped with end cap 6, the inside left side below position of sample base 3 is connected with locating support 7, and the middle part position screwed connection of locating support 7 has adjusting screw 8, adjusting screw 8's one end position is connected with regulation carousel 9.
The top end of the sampling bin 1 is hermetically connected with a vacuum compression chamber 2, the bottom end of the sampling bin 1 is connected with a sampling base 3 with a conical structure, vacuum compression equipment is connected in advance by combining one end of the vacuum compression chamber 2, and the vacuum compression chamber 2 is arranged to facilitate the whole control valve to be quickly connected with the vacuum compression equipment; the sampling joints 4 are distributed outside the sampling base 3 in an annular array structure, the interiors of the sampling joints 4 are communicated with the interiors of the sampling bases 3 through the sampling openings 5, and the whole control valve is provided with a plurality of sampling flow paths due to the arrangement of the plurality of sampling joints 4 under the matching of the mutual communication; the inner end of the sampling opening 5 is matched with the outer end of the plug 6 in shape, the plug 6 and the adjusting screw 8 are integrally formed, the adjusting screw 8 and the adjusting turntable 9 are connected to form a T-shaped structure, and the positioning bracket 7 can provide corresponding supporting acting force for the installation of the flow limiting structure; the outside of sampling joint 4 covers there is toper screen panel 10, and the top of toper screen panel 10 is provided with the screw thread lantern ring 11 through integrated into one piece, coincide each other between the vertical axis of toper screen panel 10 and the vertical axis of sample storehouse 1, and the bottom face of sample storehouse 1 set up with the cell body of the 11 threaded connection of the screw thread lantern ring, the both sides position of the screw thread lantern ring 11 all is connected with short column 12, control the setting of a set of short column 12, can play the effect of the 11 quick connect sample storehouses of supplementary screw thread lantern ring 1.
The working process is as follows: when a sample to be tested needs to be sampled through the whole control valve, under the mutual cooperation of the vacuum compression chamber 2 and the vacuum compression equipment, by means of the whole control valve of negative pressure generated in the vacuum compression process, the multi-flow-path extraction operation of the sample to be tested can be quickly realized through the plurality of sampling joints 4, the phenomenon that a single flow path has errors when the sample to be tested is extracted is avoided, and the vacuum extraction technology related to the structure is the disclosed prior art, when the flow limiting treatment is needed to be carried out on the plurality of flow paths of the whole control valve, under the connection and cooperation of the sampling base 3 and the positioning bracket 7, the adjusting turntable 9 which is subjected to the manual traction acting force can utilize the self-plugging function on the sampling opening 5 after the plug 6 which is connected with the adjusting screw 8 realizes inward or outward stretching action all the time, come supplementary whole control valve to realize fast the current-limiting effect to many independent flow paths, when under the supplementary traction cooperation of short column 12, the screw thread lantern ring 11 realizes fast when taking a sample the screwed connection in storehouse 1, all the time with the toper screen panel 10 of screw thread lantern ring 11 in the quick-connect sample storehouse 1, will utilize self to a plurality of sampling joint 4's cover effect, come when sampling joint 4 extraction awaits measuring the sample, play certain screening filterable effect.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A multiple flow path control valve with flow restriction structure, includes sample storehouse (1), its characterized in that: the utility model discloses a sampling device, including sampling storehouse (1), sampling base (3), sampling joint (4), sampling opening (5) have been seted up through integrated into one piece processing to the medial surface of sampling joint (4), and the inside of sampling opening (5) inlays and is equipped with end cap (6), the inside left side below position of sampling base (3) is connected with locating support (7), and the middle part position screwed connection of locating support (7) has adjusting screw (8), the one end position of adjusting screw (8) is connected with regulation carousel (9).
2. A multiple flow path control valve having a flow restricting structure according to claim 1, wherein: the top position sealing connection of sample storehouse (1) has vacuum compression room (2), and the bottom position of sample storehouse (1) is connected with appearance and is sample base (3) that the toper structure.
3. A multiple flow path control valve having a flow restricting structure according to claim 1, wherein: the sampling joint (4) is distributed in an annular array structure and arranged outside the sampling base (3), and the inside of the sampling joint (4) is communicated with the inside of the sampling base (3) through the sampling opening (5).
4. A multiple flow path control valve having a flow restricting structure, as claimed in claim 1, wherein: the inner end of the sampling opening (5) is matched with the outer end of the plug (6) in shape, the plug (6) and the adjusting screw rod (8) are integrally formed, and the adjusting screw rod (8) is connected with the adjusting turntable (9) to form a T-shaped structure.
5. A multiple flow path control valve having a flow restricting structure according to claim 1, wherein: the outside of sampling joint (4) covers has toper screen panel (10), and the top of toper screen panel (10) is provided with the screw thread cover ring (11) through integrated into one piece, coincide each other between the vertical axis of toper screen panel (10) and the vertical axis of sample storehouse (1), and the bottom face of sample storehouse (1) set up the cell body with screw thread cover ring (11) screwed connection, the both sides position of screw thread cover ring (11) all is connected with short column (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739241.8U CN217385364U (en) | 2022-04-01 | 2022-04-01 | Multi-flow-path control valve with flow limiting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220739241.8U CN217385364U (en) | 2022-04-01 | 2022-04-01 | Multi-flow-path control valve with flow limiting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217385364U true CN217385364U (en) | 2022-09-06 |
Family
ID=83104807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220739241.8U Expired - Fee Related CN217385364U (en) | 2022-04-01 | 2022-04-01 | Multi-flow-path control valve with flow limiting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217385364U (en) |
-
2022
- 2022-04-01 CN CN202220739241.8U patent/CN217385364U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220906 |