CN114965830B - Gas circuit configuration system for gas chromatographic analysis - Google Patents
Gas circuit configuration system for gas chromatographic analysis Download PDFInfo
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- CN114965830B CN114965830B CN202210509631.0A CN202210509631A CN114965830B CN 114965830 B CN114965830 B CN 114965830B CN 202210509631 A CN202210509631 A CN 202210509631A CN 114965830 B CN114965830 B CN 114965830B
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- 238000004587 chromatography analysis Methods 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 57
- 230000001681 protective effect Effects 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000004817 gas chromatography Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 8
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 34
- 230000033001 locomotion Effects 0.000 description 19
- 230000009471 action Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a gas circuit configuration system for gas chromatography analysis, which relates to the field of gas circuit configuration and comprises a gas supply pipe, wherein a plurality of gas ducts are arranged on the upper surface of the gas supply pipe, a conveying pipe is arranged above the gas ducts, a pressure gauge is arranged on the surface of the gas ducts, a connecting pipe is arranged on the left side of the gas supply pipe, a thermometer is arranged on the upper surface of the connecting pipe, a connecting plate is arranged on the left side of the connecting pipe, and a sealing ring is arranged on the left side of the connecting plate. According to the invention, the sealing ring is arranged for sealing operation, the bolts are arranged for conveniently fixing the protective shell and the connecting plate integrally, the air inlet pipe is arranged for air inlet, the conical annular pipe is arranged for butt joint air transmission with the air inlet pipe, the sealing control mechanism is arranged for controlling the flow of air, and the sealing structure is reinforced at the same time.
Description
Technical Field
The invention relates to the field of gas path configuration, in particular to a gas path configuration system for gas chromatography analysis.
Background
The gas circuit system mainly comprises a gas source switching system, a pipeline system, a pressure regulating system, a gas utilization point, a monitoring and alarming system. For some flammable and explosive gases, such as hydrogen, acetylene, methane, etc., which may be slightly different in design and construction processes, safety control devices such as a gas flashback preventer, a safety ground, etc. must be added.
When the existing pipeline is installed and fixed, a sealing gasket is usually added at the joint and matched with an external fixing bolt for extrusion sealing, the sealing structure is single, the risk of air leakage exists, and meanwhile, the air supply of a plurality of branches of the pipeline cannot be controlled, so that certain limitation exists.
Disclosure of Invention
The utility model provides a gas circuit configuration system of gas chromatography to propose current pipeline in solving above-mentioned background art and when installing fixedly, add sealing gasket usually in the junction, cooperation external fixing bolt carries out extrusion seal, seal structure is single, has the risk of gas leakage, can not control a plurality of branch air supplies of pipeline simultaneously, has the problem of certain limitation.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a gas circuit configuration system of gas chromatography, includes the gas supply pipe, the upper surface of gas supply pipe is provided with a plurality of air ducts, the top of air duct is provided with the conveyer pipe, the surface of air duct is provided with the manometer, the left side of gas supply pipe is provided with the connecting pipe, the upper surface of connecting pipe is provided with the thermometer, the left side of connecting pipe is provided with the connecting plate, the left side of connecting plate is provided with the sealing washer, the left side of connecting plate is provided with the toper ring canal, the left side of sealing washer is provided with the protective housing, the protective housing is provided with same screw hole with the right side of connecting plate, the inner wall threaded connection of screw hole has the bolt, the inner wall of protective housing is provided with the intake pipe, the interior roof threaded connection of air duct has seal control mechanism.
By means of the structure, the temperature and the pressure in the pipeline are detected in real time by the aid of the air guide pipe and the thermometer, sealing operation is carried out by the aid of the sealing ring, the protective shell and the connecting plate are fixed integrally by the aid of the bolts, air is fed through the air inlet pipe, the conical ring pipe is arranged, butt joint air feeding is carried out with the air inlet pipe, the sealing control mechanism is arranged, the flow of air is controlled, and meanwhile, the sealing structure is reinforced.
Preferably, the sealing control mechanism comprises a threaded joint which is in threaded connection with the inner top wall of the air duct, the upper surface of the threaded joint is fixedly connected with the bottom end of the conveying pipe, an installation groove is formed in the inner wall of the air duct, and a sealing rubber sleeve is arranged on the inner wall of the installation groove.
Further, through setting up screwed joint for conveyer pipe and air duct carry out fixed connection, through setting up the mounting groove, give sealed gum cover, activity bulb installation space of dodging.
Preferably, the surface of air duct has seted up the rotation hole, the inner wall rotation of rotation hole is connected with the axis of rotation, the surface of axis of rotation is provided with the instruction board, the other end of axis of rotation runs through the inner wall of sealed gum cover and is provided with movable bulb, the surface of movable bulb is laminated with the inner wall extrusion of sealed gum cover.
Further, through setting up the sealed gum cover, strengthen the friction with movable bulb, prevent to produce the gas leakage condition, through setting up the instruction board, know movable bulb's rotation angle.
Preferably, the surface of air duct is provided with the cover board, upper and lower two the through-hole has all been seted up to the relative face of cover board, the inner wall of cover board is provided with first telescopic link, the one end of first telescopic link is provided with the limiting plate, upper and lower two the relative face of limiting plate is provided with same connecting rod, the connecting rod sets up in the through-hole, the surface cover of first telescopic link is equipped with first reset spring, the one end of first reset spring and the inner wall fixed connection of cover board, the other end of first reset spring and the back fixed connection of limiting plate.
Further, dodge the connecting rod through setting up the through-hole, guide the motion of limiting plate through setting up the sleeve plate, through setting up the limiting plate, it is spacing to indicate the board, prevent that follow-up knob from taking place to rotate, through setting up first reset spring, drive the limiting plate and reset, through setting up the connecting rod, make two limiting plates together move from top to bottom.
Preferably, the inner top wall and the inner bottom wall of the protective housing are both provided with second telescopic rods, the bottom ends of the second telescopic rods are provided with stress plates, the surfaces of the second telescopic rods are sleeved with second reset springs, the top ends of the second reset springs are fixedly connected with the upper surface of the protective housing, and the bottom ends of the second reset springs are fixedly connected with the upper surface of the stress plates.
Further, through setting up the second reset spring, drive the atress board and reset, through setting up the atress board, with the surface contact back of toper ring canal, along with the installation that is close to of toper ring canal and intake pipe, drive the atress board and be close to towards the inner wall direction of protective housing.
Preferably, a first rack is arranged on the left side of the stress plate, a first linkage shaft is rotatably connected to the inner wall of the protective shell, a first straight gear and a driving wheel are respectively arranged on the surface of the first linkage shaft, and the first straight gear is meshed with the first rack.
Further, through setting up first universal driving axle, realize the steady support to first straight gear, action wheel, through setting up first straight gear and first rack engagement, the motion of atress board motion drive first rack for first straight gear takes place to rotate, drives first universal driving axle rotation, and first universal driving axle rotation drives the action wheel and rotates.
Preferably, the inner wall of the protective housing is rotatably connected with a second linkage shaft, driven wheels and a second spur gear are arranged on the surfaces of the second linkage shaft respectively, and the driven wheels and the surface of the driving wheel are provided with the same belt.
Further, the second linkage shaft is arranged to keep stable support of the driven wheel and the second spur gear, and the same belt is arranged on the surfaces of the driven wheel and the driving wheel, so that the driving wheel rotates to drive the driven wheel to rotate through the belt, the driven wheel rotates to drive the second linkage shaft to rotate, and the second linkage shaft rotates to drive the second spur gear to rotate.
Preferably, the inner top wall and the inner bottom wall of the protective shell are both provided with guide plates, the right side of the guide plates is in sliding connection with a moving plate, the right side of the moving plate is provided with a second rack, and the second rack is meshed with a second spur gear.
Further, through setting up second rack and second spur gear engagement for second spur gear rotates and drives second rack and motion board whole emergence motion, is convenient for carry out the transmission.
Preferably, the lower surface of the motion plate is provided with an arc-shaped sealing plate, and the inner wall of the arc-shaped sealing plate is matched with the surfaces of the air inlet pipe and the conical ring pipe at the corresponding positions.
Further, the motion plate moves to drive the arc-shaped sealing plates to move, so that the upper arc-shaped sealing plate and the lower arc-shaped sealing plate are close to each other, and the joint of the air inlet pipe and the conical ring pipe is sealed.
Preferably, one end of the rotating shaft is provided with a knob.
Further, through setting up the knob, be convenient for drive the axis of rotation and rotate through rotating the knob, and then drive movable bulb and rotate.
In summary, the invention has the technical effects and advantages that:
according to the invention, the conveying pipe is fixedly connected with the air duct by arranging the threaded joint, the space for installing and avoiding the sealing rubber sleeve and the movable ball head is provided by arranging the mounting groove, the movable ball head is driven to rotate by the rotating knob through the rotating shaft, the friction with the movable ball head is enhanced by arranging the sealing rubber sleeve, the air leakage is prevented, the rotating angle of the movable ball head is known by arranging the indicating plate, the connecting rod is avoided by arranging the through hole, and the movement of the limiting plate is guided by arranging the sleeve plate.
According to the invention, the limiting plate is arranged to limit the indicating plate to prevent the follow-up knob from rotating, the first reset spring is arranged to drive the limiting plate to reset, the connecting rod is arranged to enable the upper limiting plate and the lower limiting plate to move together, the second reset spring is arranged to drive the stress plate to reset, the stress plate is arranged to contact with the surface of the conical ring pipe, and then the stress plate is driven to approach towards the inner wall direction of the protective shell along with the approach of the conical ring pipe and the air inlet pipe, and the first linkage shaft is arranged to stably support the first straight gear and the driving wheel.
According to the invention, the first straight gear is meshed with the first rack, when the stress plate moves to drive the first rack to move, the first straight gear is enabled to rotate to drive the first linkage shaft to rotate, the first linkage shaft rotates to drive the driving wheel to rotate, the stable support of the driven wheel and the second straight gear is kept through the arrangement of the second linkage shaft, the same belt is arranged on the surface of the driven wheel and the driving wheel, the driving wheel rotates to drive the driven wheel to rotate through the belt, the driven wheel rotates to drive the second linkage shaft to rotate, the second linkage shaft rotates to drive the second straight gear to rotate, the second straight gear is meshed with the second straight gear through the arrangement of the second rack to enable the second straight gear to rotate to drive the second rack to integrally move with the motion plate, the motion plate moves to drive the arc-shaped sealing plates to move, the upper arc-shaped sealing plate and the lower arc-shaped sealing plates are mutually close to each other, and the joint of the air inlet pipe and the conical ring pipe is sealed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a connecting tube according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a bushing plate according to an embodiment of the present application;
FIG. 4 is a schematic cross-sectional structural view of a protective shell according to an embodiment of the present application;
FIG. 5 is a schematic cross-sectional view of an air inlet pipe and a conical ring plate in an embodiment of the present application;
fig. 6 is a schematic perspective view of a belt and a force plate according to an embodiment of the present application.
In the figure: 1. an air supply pipe; 2. an air duct; 3. a pressure gauge; 4. a delivery tube; 5. a thermometer; 6. a connecting pipe; 7. a connecting plate; 8. a seal ring; 9. a seal control mechanism; 901. a knob; 902. a rotating shaft; 903. an indication board; 904. a mounting groove; 905. a threaded joint; 906. a movable ball head; 907. sealing the rubber sleeve; 908. a sleeve plate; 909. a first telescopic rod; 910. a first return spring; 911. a through hole; 912. a connecting rod; 913. a limiting plate; 914. a second telescopic rod; 915. a first linkage shaft; 916. a guide plate; 917. an arc-shaped sealing plate; 918. a motion plate; 919. a second return spring; 920. a force-bearing plate; 921. a second spur gear; 922. a first rack; 923. a driving wheel; 924. a first straight gear; 925. a belt; 926. a second rack; 927. a second linkage shaft; 928. driven wheel; 10. a bolt; 11. a protective shell; 12. an air inlet pipe; 13. a conical collar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: referring to a gas circuit configuration system for gas chromatography shown in fig. 1-6, the gas circuit configuration system comprises a gas supply pipe 1, a plurality of gas guide pipes 2 are arranged on the upper surface of the gas supply pipe 1, a conveying pipe 4 is arranged above the gas guide pipes 2, a pressure gauge 3 is arranged on the surface of the gas guide pipes 2, a connecting pipe 6 is arranged on the left side of the gas supply pipe 1, a thermometer 5 is arranged on the upper surface of the connecting pipe 6, a connecting plate 7 is arranged on the left side of the connecting plate 7, a sealing ring 8 is arranged on the left side of the connecting plate 7, a conical ring pipe 13 is arranged on the left side of the connecting plate 7, a protective shell 11 is arranged on the left side of the sealing ring 8, the protective shell 11 and the right side of the connecting plate 7 are provided with the same threaded holes, bolts 10 are connected with the inner wall threads of the threaded holes, an air inlet pipe 12 is arranged on the inner top wall of the gas guide pipes 2, and a sealing control mechanism 9 is connected with the inner top wall threads of the gas guide pipes 2.
By means of the structure, the temperature and the pressure in the pipeline are detected in real time by the aid of the air guide pipe 2 and the thermometer 5, sealing operation is carried out by the aid of the sealing ring 8, the protective shell 11 and the connecting plate 7 are integrally fixed by the aid of the bolt 10, air is fed by the aid of the air inlet pipe 12, the conical ring pipe 13 is arranged, butt joint air conveying is carried out with the air inlet pipe 12, the sealing control mechanism 9 is arranged, the flow of air is controlled, and meanwhile, the sealing structure is reinforced.
As a preferred implementation manner in this embodiment, the seal control mechanism 9 includes a threaded joint 905 screwed on the inner top wall of the air duct 2, the upper surface of the threaded joint 905 is fixedly connected with the bottom end of the conveying pipe 4, the inner wall of the air duct 2 is provided with a mounting groove 904, and the inner wall of the mounting groove 904 is provided with a sealing rubber sleeve 907. Through setting up screwed joint 905 for conveyer pipe 4 carries out fixed connection with air duct 2, through setting up mounting groove 904, gives sealed gum cover 907, movable bulb 906 installation space of dodging.
As a preferred implementation manner in this embodiment, a rotating hole is formed in the surface of the air duct 2, the inner wall of the rotating hole is rotatably connected with a rotating shaft 902, an indicator plate 903 is arranged on the surface of the rotating shaft 902, a knob 901 is arranged at one end of the rotating shaft 902, a movable ball 906 is arranged at the other end of the rotating shaft 902 and penetrates through the inner wall of the sealing rubber sleeve 907, and the surface of the movable ball 906 is pressed and attached with the inner wall of the sealing rubber sleeve 907. Through setting up knob 901, rotate knob 901 and drive movable bulb 906 through axis of rotation 902 and rotate, through setting up sealed gum cover 907, strengthen the friction with movable bulb 906, prevent to produce the gas leakage condition, through setting up the pilot plate 903, know movable bulb 906's turned angle.
As a preferred embodiment in this embodiment, the surface of the air duct 2 is provided with a sleeve plate 908, opposite surfaces of the upper and lower sleeve plates 908 are provided with through holes 911, the inner wall of the sleeve plate 908 is provided with a first telescopic rod 909, one end of the first telescopic rod 909 is provided with a limiting plate 913, opposite surfaces of the upper and lower limiting plates 913 are provided with the same connecting rod 912, the connecting rod 912 is arranged in the through hole 911, the surface of the first telescopic rod 909 is sleeved with a first return spring 910, one end of the first return spring 910 is fixedly connected with the inner wall of the sleeve plate 908, and the other end of the first return spring 910 is fixedly connected with the back surface of the limiting plate 913. Through setting up the through-hole 911, dodge connecting rod 912, through setting up bushing 908, lead the motion of limiting plate 913, through setting up limiting plate 913, carry out spacingly to indicating plate 903, prevent that follow-up knob 901 from taking place to rotate, through setting up first reset spring 910, drive limiting plate 913 and reset, through setting up connecting rod 912, make two limiting plates 913 together move about.
As a preferred implementation manner in this embodiment, the inner top wall and the inner bottom wall of the protective housing 11 are both provided with a second telescopic rod 914, the bottom end of the second telescopic rod 914 is provided with a force-bearing plate 920, the surface of the second telescopic rod 914 is sleeved with a second return spring 919, the top end of the second return spring 919 is fixedly connected with the upper surface of the protective housing 11, and the bottom end of the second return spring 919 is fixedly connected with the upper surface of the force-bearing plate 920. By arranging the second return spring 919, the force-bearing plate 920 is driven to return, and by arranging the force-bearing plate 920, after the force-bearing plate 920 contacts with the surface of the conical ring pipe 13, the force-bearing plate 920 is driven to approach towards the inner wall of the protective shell 11 along with the approach of the conical ring pipe 13 and the air inlet pipe 12.
In this embodiment, a first rack 922 is disposed on the left side of the force-bearing plate 920, a first linkage shaft 915 is rotatably connected to the inner wall of the protective housing 11, a first spur gear 924 and a driving wheel 923 are disposed on the surface of the first linkage shaft 915, and the first spur gear 924 is meshed with the first rack 922. Through setting up first universal driving shaft 915, realize the steady support to first gear 924, action wheel 923, through setting up first gear 924 and first rack 922 meshing, the motion of atress board 920 motion drives first rack 922 for first gear 924 takes place to rotate, drives first universal driving shaft 915 rotation, and first universal driving shaft 915 rotation drives action wheel 923 rotation.
As a preferred implementation manner in this embodiment, the second coupling shaft 927 is rotatably connected to the inner wall of the protective housing 11, and the driven wheel 928 and the second spur gear 921 are provided on the surfaces of the second coupling shaft 927, respectively, and the same belt 925 is provided on the surfaces of the driven wheel 928 and the driving wheel 923. By arranging the second linkage shaft 927, stable support of the driven wheel 928 and the second spur gear 921 is maintained, and by arranging the same belt 925 on the surfaces of the driven wheel 928 and the driving wheel 923, the driving wheel 923 rotates to drive the driven wheel 928 to rotate through the belt 925, the driven wheel 928 rotates to drive the second linkage shaft 927 to rotate, and the second linkage shaft 927 rotates to drive the second spur gear 921 to rotate.
As a preferred implementation manner in this embodiment, the inner top wall and the inner bottom wall of the protective shell 11 are both provided with a guide plate 916, the right side of the guide plate 916 is slidingly connected with a moving plate 918, the right side of the moving plate 918 is provided with a second rack 926, the second rack 926 is meshed with the second straight gear 921, the lower surface of the moving plate 918 is provided with an arc-shaped sealing plate 917, and the inner wall of the arc-shaped sealing plate 917 is matched with the surfaces of the air inlet pipe 12 and the conical ring pipe 13 at corresponding positions. Through setting up second rack 926 and second spur gear 921 meshing for second spur gear 921 rotates and drives second rack 926 and the whole motion that takes place of motion board 918, and motion board 918 motion drives arc closing plate 917 motion, makes two upper and lower arc closing plate 917 be close to each other, seals the junction of intake pipe 12 and toper ring canal 13.
The working principle of the invention is as follows: in the gas path configuration system for gas chromatography, when a user uses the gas path configuration system, the conical ring canal 13, the sealing ring 8, the connecting plate 7, the connecting pipe 6 and the gas supply pipe 1 are installed as a whole with the protective shell 11, during the installation, the conical ring canal 13 and the gas supply pipe 12 in the protective shell 11 are inserted and aligned, in the process, the lower surface of the force plate 920 is contacted with the surface of the conical ring canal 13 along with the depth of the conical ring canal 13 entering the protective shell 11, then the force plate 920 is driven to move towards the direction approaching to the inner wall of the protective shell 11, the second return spring 919 is compressed, the force plate 920 is driven to move to drive the first rack 922, the first straight gear 924 is meshed with the first rack 922, when the force plate 920 is driven to move to drive the first rack 922 to rotate, the first link shaft 915 is driven to rotate, and the driving wheel 923 is driven to rotate, because the same belt 925 is arranged on the surfaces of the driven wheel 928 and the driving wheel 923, the driving wheel 923 rotates to drive the driven wheel 928 to rotate through the belt 925, the driven wheel 928 rotates to drive the second linkage shaft 927 to rotate, the second linkage shaft 927 rotates to drive the second spur gear 921 to rotate, the second rack 926 is meshed with the second spur gear 921, the second spur gear 921 rotates to drive the second rack 926 to integrally move with the moving plate 918, the moving plate 918 moves to drive the arc-shaped sealing plates 917 to move, the upper arc-shaped sealing plates 917 and the lower arc-shaped sealing plates 917 are mutually close to seal the joint of the air inlet pipe 12 and the conical ring pipe 13, when the conical ring pipe 13 cannot continue to move, the joint of the inner wall of the arc-shaped sealing plates 917 and the air inlet pipe 12 and the conical ring pipe 13 forms extrusion, the upper arc-shaped sealing plate 917 and the lower arc-shaped sealing plates 917 seal the air inlet in the corresponding conveying pipe 4, rotating knob 901, knob 901 rotates and drives movable bulb 906 through axis of rotation 902 and rotates, movable bulb 906's surface and the extruded friction in surface of sealed gum cover 907 prevent to produce the gas leakage condition, inwards promote limiting plate 913 afterwards, compress first reset spring 910, when the position of indicating plate 903 is located in the position between two upper and lower limiting plate 913 corresponds, loosen limiting plate 913, limiting plate 913 resets under the effect of first reset spring 910, limiting plate 913 carries out the spacing to indicating plate 903, prevent knob 901 from taking place to rotate, movable bulb 906 turned angle back this moment, the gas in the air duct 2 can't get into in the conveyer pipe 4, by virtue of above-mentioned structure, the leakproofness between the pipe connection has been strengthened, realize the reposition of redundant personnel control to the pipeline gas simultaneously.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and 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 may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (2)
1. The gas path configuration system for gas chromatography comprises a gas supply pipe (1), and is characterized in that: the upper surface of air pipe (1) is provided with a plurality of air ducts (2), the top of air duct (2) is provided with conveyer pipe (4), the surface of air duct (2) is provided with manometer (3), the left side of air pipe (1) is provided with connecting pipe (6), the upper surface of connecting pipe (6) is provided with thermometer (5), the left side of connecting pipe (6) is provided with connecting plate (7), the left side of connecting plate (7) is provided with sealing washer (8), the left side of connecting plate (7) is provided with toper ring pipe (13), the left side of sealing washer (8) is provided with protective housing (11), protective housing (11) are provided with same screw hole with the right side of connecting plate (7), the inner wall threaded connection of screw hole has bolt (10), the inner wall of protective housing (11) is provided with intake pipe (12), the interior roof screw thread connection of air duct (2) has sealing control mechanism (9). The sealing control mechanism (9) comprises a threaded joint (905) which is in threaded connection with the inner top wall of the air duct (2), the upper surface of the threaded joint (905) is fixedly connected with the bottom end of the conveying pipe (4), an installation groove (904) is formed in the inner wall of the air duct (2), and a sealing rubber sleeve (907) is arranged on the inner wall of the installation groove (904); a rotating hole is formed in the surface of the air duct (2), the inner wall of the rotating hole is rotationally connected with a rotating shaft (902), an indicating plate (903) is arranged on the surface of the rotating shaft (902), the other end of the rotating shaft (902) penetrates through the inner wall of the sealing rubber sleeve (907) and is provided with a movable ball head (906), and the surface of the movable ball head (906) is extruded and attached to the inner wall of the sealing rubber sleeve (907); the surface of the air duct (2) is provided with a sleeve plate (908), the opposite surfaces of the upper sleeve plate (908) and the lower sleeve plate (908) are respectively provided with a through hole (911), the inner wall of the sleeve plate (908) is provided with a first telescopic rod (909), one end of the first telescopic rod (909) is provided with a limiting plate (913), the opposite surfaces of the upper limiting plate (913) and the lower limiting plate (913) are provided with the same connecting rod (912), the connecting rod (912) is arranged in the through holes (911), the surface of the first telescopic rod (909) is sleeved with a first reset spring (910), one end of the first reset spring (910) is fixedly connected with the inner wall of the sleeve plate (908), and the other end of the first reset spring (910) is fixedly connected with the back surface of the limiting plate (913); the inner top wall and the inner bottom wall of the protective shell (11) are respectively provided with a second telescopic rod (914), the bottom end of each second telescopic rod (914) is provided with a stress plate (920), the surface of each second telescopic rod (914) is sleeved with a second return spring (919), the top end of each second return spring (919) is fixedly connected with the upper surface of the protective shell (11), and the bottom end of each second return spring (919) is fixedly connected with the upper surface of each stress plate (920); a first rack (922) is arranged on the left side of the stress plate (920), a first linkage shaft (915) is rotatably connected to the inner wall of the protective shell (11), a first straight gear (924) and a driving wheel (923) are respectively arranged on the surface of the first linkage shaft (915), and the first straight gear (924) is meshed with the first rack (922); the inner wall of the protective shell (11) is rotationally connected with a second linkage shaft (927), driven wheels (928) and a second spur gear (921) are arranged on the surfaces of the second linkage shaft (927) respectively, and the same belt (925) is arranged on the surfaces of the driven wheels (928) and the driving wheels (923); the inner top wall and the inner bottom wall of the protective shell (11) are respectively provided with a guide plate (916), the right side of the guide plate (916) is in sliding connection with a moving plate (918), the right side of the moving plate (918) is provided with a second rack (926), and the second rack (926) is meshed with a second spur gear (921); the lower surface of the moving plate (918) is provided with an arc-shaped sealing plate (917), and the inner wall of the arc-shaped sealing plate (917) is matched with the surfaces of the air inlet pipe (12) and the conical ring pipe (13) at the corresponding positions.
2. The gas circuit configuration system for gas chromatography according to claim 1, wherein: one end of the rotating shaft (902) is provided with a knob (901).
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| CN202210509631.0A CN114965830B (en) | 2022-05-11 | 2022-05-11 | Gas circuit configuration system for gas chromatographic analysis |
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| CN202210509631.0A CN114965830B (en) | 2022-05-11 | 2022-05-11 | Gas circuit configuration system for gas chromatographic analysis |
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| CN114965830B true CN114965830B (en) | 2024-04-02 |
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| CN114965830A (en) | 2022-08-30 |
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