CN116183776B - Chromatograph for gas monitoring and monitoring method thereof - Google Patents
Chromatograph for gas monitoring and monitoring method thereof Download PDFInfo
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- CN116183776B CN116183776B CN202310339959.7A CN202310339959A CN116183776B CN 116183776 B CN116183776 B CN 116183776B CN 202310339959 A CN202310339959 A CN 202310339959A CN 116183776 B CN116183776 B CN 116183776B
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims abstract description 20
- 230000008602 contraction Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 60
- 238000009423 ventilation Methods 0.000 claims description 35
- 230000008569 process Effects 0.000 claims description 12
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
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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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The invention relates to the field of chromatographs, in particular to a chromatograph for gas monitoring, which comprises a shell seat, wherein a chromatograph body is fixedly arranged in the shell seat, contraction grooves are vertically and symmetrically formed in two sides of the chromatograph body, support rods are connected in the contraction grooves in a sliding manner, supporting mechanisms are movably connected between the bottoms of the four support rods and the bottom of the shell seat, and shell covers are symmetrically and movably connected to the top of the shell seat. The chromatograph for gas monitoring and the monitoring method thereof consist of a supporting mechanism, a heat dissipation mechanism and a locking mechanism; through pulling two shells and moving in the back of the body at shell seat top, under guide way and guide pulley cooperation effect, the guide arm is brought the bracing piece and is moved down, makes the bracing piece support the supporting leg and roll out from shell seat bottom, supports shell seat and chromatograph body, does not need to support through electrical equipment, effectively reduces maintenance cost, and does not need to carry out supporting operation after opening the equipment power, and it is convenient to use.
Description
Technical Field
The invention relates to the field of chromatographs, in particular to a chromatograph for gas monitoring and a monitoring method thereof.
Background
The gas chromatograph device is an auxiliary device for detecting and analyzing the chromatograph, and the gas chromatograph device is widely applied in fire investigation, petroleum, chemical industry, biochemistry, medicine and health, food industry, environmental protection and the like;
in order to adapt to detection of different environments and conditions, a person usually uses a portable chromatograph to perform analysis and monitoring;
the prior patent (publication number: CN 109030644A) discloses a portable anti-slip gas chromatograph mass spectrometer, which comprises a mass spectrometer body and a travelling mechanism, wherein four corners of the lower surface of the mass spectrometer body are respectively fixedly provided with a fixing plate, and the surface of the fixing plate is fixedly provided with a welding stud. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. in the supporting process of the gas monitoring chromatograph, the piston rod is driven to extend out through the air compressor to support the chromatograph, the maintenance cost of the chromatograph equipment of the air compressor, which is the supercharging equipment, is required to be supported and limited in the power-on and power-on state, and when the chromatograph is not powered on or not used, the chromatograph is difficult to support effectively; 2. because the gas chromatograph needs to carry out the heat dissipation in the use, open the groove and seted up the thermovent at the lateral wall of chromatograph casing, when equipment does not use, outside dust gets into inside the equipment through the thermovent easily, influences the result of use of equipment.
Disclosure of Invention
The present invention is directed to a chromatograph for gas monitoring and a monitoring method thereof, so as to solve the problems set forth in the background art: 1. when the existing partial gas monitoring chromatograph is used, after the gas monitoring chromatograph is started, the piston rod is driven by the air compressor to extend out for supporting, and when the equipment power supply is turned on, the effective supporting is difficult; 2. when the existing gas monitoring chromatograph is not used, the dustproof effect of the position of the heat dissipation opening is poor. In order to achieve the above purpose, the present invention provides the following technical solutions: the chromatograph for gas monitoring comprises a shell seat, wherein a chromatograph body is fixedly arranged in the shell seat, contraction grooves are vertically and symmetrically formed in two sides of the chromatograph body, support rods are connected in the contraction grooves in a sliding mode, and a support mechanism is movably connected between the bottoms of the four support rods and the bottom of the shell seat;
the top of the shell seat is symmetrically and movably connected with a shell cover, and the upper part of the supporting mechanism is movably connected with the inner wall of the adjacent shell cover;
the chromatograph body is provided with heat dissipation grooves on the front side and the rear side, heat dissipation mechanisms are movably connected between the front side and the rear side of the shell seat and the adjacent support rods, and the two heat dissipation mechanisms are respectively in one-to-one correspondence with the two heat dissipation grooves;
storage grooves are formed in two sides of the top of the chromatograph body, and an anti-slip handle matched with the storage grooves is hinged between the tops of the two support rods on the same side;
a locking mechanism is movably connected between the tops of the chromatograph bodies of the two shells.
Preferably, the supporting mechanism comprises four movable grooves, the four movable grooves are formed in the periphery of the bottom of the shell seat, and the four movable grooves are respectively in one-to-one correspondence with the four supporting rods;
a shaft lever is fixedly connected between two sides of the inner wall of the movable groove, the middle part of the shaft lever is rotationally connected with a supporting leg, the middle part of the supporting leg is provided with a slot, the lower part of the supporting rod is movably inserted into the slot, the two sides of the inner wall of the slot are provided with waist-shaped grooves, the lower part of the supporting rod is symmetrically and fixedly connected with guide pins, and two guide pins are respectively and slidably connected in the two adjacent waist-shaped grooves;
the upper part of the inner wall of the chromatograph body is provided with a rectangular groove matched with the shrinkage groove, the inside of the rectangular groove is movably connected with a guide rod, one end of the guide rod is fixedly connected with the side wall of the adjacent support rod, and the other end of the guide rod is rotationally connected with a guide wheel;
guide grooves are symmetrically formed in the inner walls of the two shells, and the four guide wheels are respectively and slidably connected in the four guide grooves.
Preferably, the bottom of the supporting leg is fixedly connected with an arc-shaped rubber sleeve, and the two supporting legs are symmetrically arranged.
Preferably, the heat dissipation mechanism comprises two ventilation grooves, and the two ventilation grooves are symmetrically formed in the front side and the rear side of the shell seat;
twenty-one rotating rods are rotationally connected between the top and the bottom of the inner wall of the ventilation groove at equal intervals, a baffle is fixedly connected to the middle of each rotating rod, and an adjusting circular gear is fixedly sleeved on the upper part of each rotating rod;
the chromatograph comprises a chromatograph body, a contraction groove, a transmission rod, a transmission round gear, transmission racks, a transmission rod, a support rod, a transmission rack, a transmission rod and a support rod, wherein the transmission groove matched with the contraction groove is symmetrically arranged on the left side of the chromatograph body;
an adjusting groove matched with the ventilation groove is formed in the inner wall of the shell seat, a rotary table is rotatably connected in the adjusting groove, and the other end of the transmission rod extends to the inside of the adjusting groove and is fixedly connected with the side wall of the rotary table;
one side of carousel keeping away from the transfer line fixedly connected with regulation round pin, the middle part swing joint of regulation round pin has waist type ring, the lateral wall fixedly connected with of waist type ring adjusts the rack, one side of adjusting the rack extends to the inside of ventilation groove and adjacent adjust the lateral wall meshing of circular gear.
Preferably, a sliding groove is formed in the right side of the inner wall of the ventilation groove, the right end of the adjusting rack is slidably connected in the sliding groove, and a reset spring is fixedly connected between the right end of the adjusting rack and the inner wall of the sliding groove.
Preferably, the locking mechanism comprises a groove, the groove is arranged at the top of the chromatograph body, and a computer module is hinged in the groove;
the two sides of the two shells are provided with locking grooves, locking blocks are connected in the locking grooves in a sliding manner, and compression springs are fixedly connected between one sides of the locking blocks and the inner walls of the locking grooves;
four stop blocks are fixedly connected to the surface of the computer module and the top of the chromatograph body, and the four locking blocks are respectively overlapped with the side walls of the adjacent four stop blocks.
Preferably, the top of the shell seat is provided with a guide groove, the bottom of the shell cover is provided with a guide block, and the shell cover is connected in the guide groove in a sliding manner through the guide block.
A method of using a chromatograph for gas monitoring, comprising the steps of:
s1, when the chromatograph for gas monitoring is used, four locking blocks are simultaneously stirred at first, so that the locking blocks are released from overlapping limit with adjacent check blocks, then two shells are pulled to move back to back, when the shells translate at the top of a shell seat, guide wheels are guided by guide grooves formed in the inner wall of the shells, at the moment, the guide wheels slide downwards in rectangular grooves with guide rods, the guide rods move downwards with the support rods, and anti-skid handles on the two adjacent support rods are retracted into a storage groove;
s2, when the support rod moves downwards, the support rod slides in a waist-shaped groove on the support leg through a guide pin at the lower part, so that one end of the support leg turns over in the movable groove, at the moment, four support legs turn over from the bottom of the shell seat to support the shell seat and the chromatograph body, and when two shells move to the limit position, a stop block at the top of the chromatograph body is matched and overlapped with four locking blocks to limit the movement of the shells, so that the position of the support rod is locked;
s3, when two support rods on the left side of the chromatograph body move downwards, the transmission racks on the side walls of the two support rods are meshed with adjacent transmission circular gears, so that the two transmission rods rotate by one hundred eighty degrees along with the turntables, at the moment, the two turntables translate in the ventilation groove along with the waist-shaped rings and the adjustment racks through the adjustment pins, so that the adjustment racks are meshed with the adjustment circular gears, at the moment, the rotating rod slowly rotates along with the baffle, the sealing of the ventilation groove is released after twenty baffle deflection angles, the baffle at the position of the ventilation groove is synchronously opened in the opening process of the shell cover, and then the chromatograph body is started to analyze and monitor gas to be detected;
s4, finally, after monitoring of the chromatograph is completed, the four locking blocks are stirred again to remove the limit between the corresponding check blocks, then the two shells are pulled to move relatively, in the closing process of the two shells, the four support rods are reset to move upwards, at the moment, the support legs are pulled to be contained in the movable groove by the lower parts of the support rods, the transmission racks on the support rods are disengaged with the transmission circular gears, the baffle plate automatically resets to seal the position of the ventilation groove, and after the support rods rise to the limit position, the anti-slip handles at the tops of the two support rods on the same side extend out of the containing groove.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the matched use of the shell covers, the supporting rods, the supporting legs and other parts, the two shell covers are pulled to move back to back at the top of the shell seat, under the matched action of the guide groove and the guide wheel, the guide rod drives the supporting rods to move downwards, so that the supporting rods are propped against the supporting legs to turn out from the bottom of the shell seat, the shell seat and the chromatograph body are supported, the electric equipment is not needed to support, the maintenance cost is effectively reduced, the supporting operation is not needed to be carried out after the equipment power supply is started, and the chromatograph is convenient to use.
According to the invention, through the matched use of the supporting rod, the transmission rack, the baffle and other parts, when the supporting rod moves downwards, the transmission rack is meshed with the transmission circular gear, so that the turntable rotates with the adjusting pin, at the moment, the adjusting pin moves horizontally in the ventilation groove with the waist-shaped ring and the adjusting rack, so that the adjusting rack is meshed with twenty-one adjusting circular gear, then the baffle on the rotating rod is opened along with rotation, the sealing of the ventilation groove is automatically released, and when the equipment is not used, the baffle can seal the ventilation groove, and the service life and the use effect of the heat dissipation part are improved.
According to the chromatographic instrument, through the matched use of the supporting rod, the shells, the anti-slip handle and other parts, when the instrument is not used, the two shells are pulled to move relatively, so that the supporting rod moves upwards to extend out of the storage groove with the anti-slip handle, the chromatographic instrument is conveniently carried by carrying the anti-slip handle, and the anti-slip handle is more stable to use under the matched limiting effect of the supporting rod and the supporting legs.
Drawings
FIG. 1 is a front cross-sectional view of the housing seat and housing cover of the present invention;
FIG. 2 is a sectional view of the housing and guide slot of the present invention;
FIG. 3 is a left cross-sectional view of the chromatograph body and support bar positions of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a front cross-sectional view of a housing seat and vent slot of the present invention in partial position;
FIG. 6 is an enlarged view of the structure of FIG. 5B in accordance with the present invention;
FIG. 7 is a top view of a partial position of a lock block and stop of the present invention;
fig. 8 is an enlarged view of the structure at C in fig. 7 in accordance with the present invention.
In the figure: 1. a housing base; 2. a chromatograph body; 3. a shrink tank; 4. a support rod; 5. a support mechanism; 501. a movable groove; 502. a shaft lever; 503. support legs; 504. a slot; 505. a waist-shaped groove; 506. a guide pin; 507. rectangular grooves; 508. a guide rod; 509. a guide wheel; 510. a guide groove; 6. a housing; 7. a heat sink; 8. a heat dissipation mechanism; 801. a ventilation groove; 802. a rotating rod; 803. a baffle; 804. adjusting the round gear; 805. a transmission groove; 806. a transmission rod; 807. a transmission circular gear; 808. a drive rack; 809. an adjustment tank; 810. a turntable; 811. an adjusting pin; 812. a waist-shaped ring; 813. adjusting the rack; 9. a storage groove; 10. an anti-slip handle; 11. a locking mechanism; 111. a groove; 112. a computer module; 113. a locking groove; 114. a locking piece; 115. a compression spring; 116. and a stop block.
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 are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: the utility model provides a chromatograph for gas monitoring usefulness, includes shell seat 1, and shell seat 1's inside fixed mounting has chromatograph body 2, and shrink groove 3 has all been seted up to the equal vertical symmetry in both sides of chromatograph body 2, and shrink groove 3's inside sliding connection has bracing piece 4, swing joint has supporting mechanism 5 between the bottom of four bracing pieces 4 and shell seat 1's bottom.
The top of the shell seat 1 is symmetrically and movably connected with a shell cover 6, and the upper part of the supporting mechanism 5 is movably connected with the inner wall of the adjacent shell cover 6. It should be noted that: the upper portion and the lower part of bracing piece 4 are all fixedly connected with the guide ring, and the guide ring surface rotates and is connected with the ball, and the lateral wall and the inner wall overlap joint of shrink groove 3 of ball reduce the frictional resistance of bracing piece 4 in-process of reciprocating.
The heat dissipation grooves 7 are formed in the front side and the rear side of the chromatograph body 2, the heat dissipation mechanisms 8 are movably connected between the front side and the rear side of the shell seat 1 and the adjacent support rods 4, and the two heat dissipation mechanisms 8 are respectively in one-to-one correspondence with the two heat dissipation grooves 7.
Storage grooves 9 are formed in two sides of the top of the chromatograph body 2, and an anti-slip handle 10 matched with the storage grooves 9 is hinged between the tops of the two support rods 4 on the same side. It should be noted that: the articulated anti-slip handle 10 can be turned over and folded into the inside of the storage groove 9 when not in use, and the storage effect is improved.
A locking mechanism 11 is movably connected between the tops of the chromatograph bodies 2 of the two shells 6. It should be noted that: the side wall of the shell covers 6 is provided with a hidden pull groove, so that the two shell covers 6 can be conveniently pulled to move.
In this embodiment, as shown in fig. 1 to 8, the supporting mechanism 5 includes four movable slots 501, four movable slots 501 are formed around the bottom of the housing 1, and the four movable slots 501 are respectively in one-to-one correspondence with the four supporting rods 4.
Fixedly connected with axostylus axostyle 502 between the both sides of movable groove 501 inner wall, the middle part of axostylus axostyle 502 rotates and is connected with supporting leg 503, and slot 504 has been seted up at the middle part of supporting leg 503, and the lower part activity of bracing piece 4 is pegged graft in the inside of slot 504, and waist type groove 505 has all been seted up to the both sides of slot 504 inner wall, and the lower part symmetry fixedly connected with guide pin 506 of bracing piece 4, and two guide pins 506 are sliding connection respectively in the inside of two adjacent waist type grooves 505. It should be noted that: the support leg 503 is connected with the gyro wheel of rotating away from the one side of slot 504, after the support leg 503 accomodates the inside in movable groove 501, contact with ground or desktop by the gyro wheel of shell seat 1 bottom to make things convenient for chromatograph equipment to remove.
The upper portion of chromatograph body 2 inner wall has seted up and has contracted groove 3 matched with rectangular groove 507, and rectangular groove 507's inside swing joint has guide arm 508, and the one end of guide arm 508 and the lateral wall fixed connection of adjacent bracing piece 4, and the other end rotation of guide arm 508 is connected with guide pulley 509.
The inner walls of the two shells 6 are symmetrically provided with guide grooves 510, and four guide wheels 509 are respectively and slidably connected in the four guide grooves 510. It should be noted that: the middle part of the guide groove 510 is obliquely arranged, and when the shell cover 6 moves, the guide rod 508 is matched with the guide groove 510 through the guide wheel 509 and slides up and down in the rectangular groove 507 along with the position change of the guide groove 510, so that the guide rod 508 moves up and down along with the support rod 4.
In this embodiment, as shown in fig. 1 to 8, the bottom of the supporting leg 503 is fixedly connected with an arc-shaped rubber sleeve, and is symmetrically arranged with two horizontal supporting legs 503. It should be noted that: can promote the friction between supporting leg 503 and the operation desktop through the setting of arc gum cover, after two supporting legs 503 follow the inside roll-out of activity groove 501 that sets up with horizontal symmetry, two supporting legs are splayed and support housing 1 this moment, promote the stability of support.
In this embodiment, as shown in fig. 1 to 8, the heat dissipation mechanism 8 includes two ventilation grooves 801, and the two ventilation grooves 801 are symmetrically formed on the front and rear sides of the housing 1.
Twenty-one rotating rods 802 are rotatably connected between the top and the bottom of the inner wall of the ventilation groove 801 at equal intervals, a baffle 803 is fixedly connected to the middle of each rotating rod 802, and an adjusting circular gear 804 is fixedly sleeved on the upper portion of each rotating rod 802.
The chromatograph body 2's left side symmetry has seted up with shrink groove 3 matched with transmission groove 805, and the inside rotation of transmission groove 805 is connected with transfer line 806, and transfer line 806's one end has fixedly cup jointed transmission round gear 807, and the middle part of two bracing pieces 4 in left side is all fixedly connected with transmission rack 808, and the lateral wall of transmission rack 808 meshes with the lateral wall of adjacent transmission round gear 807. It should be noted that: a transmission bearing is arranged between the inner wall of the transmission groove 805 and the transmission rod 806, so that the rotation stability of the transmission rod 806 is improved; and when the supporting rod 4 moves down to the extreme limit, the transmission rack 808 can only rotate one hundred eighty degrees with the transmission round gear 807, and the inner wall of the shrinkage groove 3 is provided with a strip-shaped groove at the transmission position of the transmission rack 808 and the transmission round gear 807, so that the transmission rack 808 and the transmission round gear 807 can conveniently mesh and transmit.
An adjusting groove 809 matched with the ventilation groove 801 is formed in the inner wall of the shell seat 1, a rotary disc 810 is rotatably connected in the adjusting groove 809, and the other end of the transmission rod 806 extends to the inside of the adjusting groove 809 to be fixedly connected with the side wall of the rotary disc 810.
One side of the turntable 810 away from the transmission rod 806 is fixedly connected with an adjusting pin 811, the middle part of the adjusting pin 811 is movably connected with a waist-shaped ring 812, the side wall of the waist-shaped ring 812 is fixedly connected with an adjusting rack 813, and one side of the adjusting rack 813 extends to the inside of the ventilation groove 801 to be meshed with the side wall of the adjacent adjusting circular gear 804. It should be noted that: the waist-shaped ring 812 can move left and right under the matching action of the adjusting rack 813 and the adjusting groove 809, and the length of the inner ring of the waist-shaped ring 812 is set to be 1.1 times of the diameter of the turntable 810; when the dial 810 rotates with the adjustment pin 811, the adjustment pin 811 slides on the inner ring of the waist-shaped ring 812 and moves left and right with the waist-shaped ring 812.
In this embodiment, as shown in fig. 1 to 8, a chute is formed on the right side of the inner wall of the ventilation slot 801, the right end of the adjusting rack 813 is slidably connected inside the chute, and a return spring is fixedly connected between the right end of the adjusting rack 813 and the inner wall of the chute. It should be noted that: when the transmission rack 808 is disengaged from the transmission round gear 807, the reset spring resets the adjusting rack 813, so that the baffle plate is reversely reset to shield and seal the position of the ventilation groove 801.
In this embodiment, as shown in fig. 1 to 8, the locking mechanism 11 includes a groove 111, the groove 111 is formed at the top of the chromatograph body 2, and a computer module 112 is hinged inside the groove 111. The computer module 112 is composed of a protective shell and an operation display screen, and the computer module 112 is opened for operation after being turned over in the groove 111, which is the prior art, and will not be described in detail here.
The locking grooves 113 are formed in two sides of the two shells 6, the locking blocks 114 are connected inside the locking grooves 113 in a sliding mode, and a compression spring 115 is fixedly connected between one side of each locking block 114 and the inner wall of each locking groove 113.
Four stop blocks 116 are fixedly connected to the surface of the computer module 112 and the top of the chromatograph body 2, and the four locking blocks 114 are respectively overlapped with the side walls of the adjacent four stop blocks 116. It should be noted that: four stop blocks 116 on the back of the computer module 112 are respectively in one-to-one correspondence with the four locking blocks 114, and when the two shells 6 are attached, the stop blocks 116 on the computer module 112 are matched with the locking blocks 114 for limiting; after the two shells 6 move back to the limit position, the four stop blocks 116 at the top of the chromatograph body 2 are matched with the locking blocks 114 to limit, and the side walls of the locking blocks 114 are all inclined planes, so that the self-locking effect is realized by matching the inclined planes of the corresponding locking blocks 114 in the process of pulling or closing the shells 6.
In this embodiment, as shown in fig. 1 to 8, a guide groove is formed at the top of the housing 1, a guide block is formed at the bottom of the housing 6, and the housing 6 is slidably connected to the inside of the guide groove through the guide block. It should be noted that: and the positioning grooves are formed in the front side and the rear side of the chromatograph body 2, positioning blocks matched with the positioning grooves are fixedly connected to the inner wall of the shell cover 6, the positioning grooves are matched with the positioning blocks, and the sliding stability of the shell cover 6 at the top of the shell seat 1 is improved.
In this embodiment, as shown in fig. 1 to 8, a method for using a chromatograph for gas monitoring includes the following steps:
s1, when the chromatograph for gas monitoring is used, four locking blocks 114 are simultaneously stirred at first, so that the locking blocks 114 are released from overlapping limit with adjacent stop blocks 116, then two shells 6 are pulled to move oppositely, when the shells 6 translate at the top of a shell seat 1, guide grooves 510 formed on the inner wall of the shells 6 guide wheels 509, at the moment, the guide wheels 509 slide downwards in the rectangular grooves 507 with guide rods 508, the guide rods 508 move downwards with the support rods 4, and anti-skid handles 10 on the adjacent two support rods 4 are received in receiving grooves 9;
s2, in the downward moving process of the supporting rod 4, the supporting rod 4 slides in the waist-shaped groove 505 on the supporting leg 503 through the guide pin 506 at the lower part, so that one end of the supporting leg 503 turns over in the movable groove 501, at the moment, the four supporting legs 503 turn out from the bottom of the shell seat 1 to support the shell seat 1 and the chromatograph body 2, and when the two shell covers 6 move to the limit positions, the stop block 116 at the top of the chromatograph body 2 is matched and overlapped with the four locking blocks 114 to limit the movement of the shell covers 6, so that the position of the supporting rod 4 is locked;
s3, when the two support rods 4 on the left side of the chromatograph body 2 move downwards, the transmission racks 808 on the side walls of the two support rods 4 are meshed with the adjacent transmission round gears 807, so that the two transmission rods 806 rotate one hundred eighty degrees with the turntables 810, at the moment, the two turntables 810 translate in the ventilation groove 801 through the adjusting pins 811 with the waist-shaped rings 812 and the adjusting racks 813, so that the adjusting racks 813 are meshed with the adjusting round gears 804, at the moment, the rotating rod 802 slowly rotates with the baffle 803, the sealing of the ventilation groove 801 is released after twenty baffles 803 deflect an angle, the baffle 803 at the position of the ventilation groove 801 is synchronously opened in the opening process of the shell cover 6, and then the chromatograph body 2 is started for analyzing and monitoring the gas to be detected;
and S4, finally, after the chromatograph is monitored, the four locking blocks 114 are stirred again to release the limit between the locking blocks and the corresponding stop blocks 116, then the two shells 6 are pulled to move relatively, in the closing process of the two shells 6, the four support rods 4 are reset to move upwards, at the moment, the lower parts of the support rods 4 pull the support legs 503 to be stored into the movable grooves 501, the transmission racks 808 on the support rods 4 are disengaged from the transmission circular gears 807, the baffle 803 is elastically restored by the reset springs to bring automatic reset and seal the positions of the ventilation grooves 801, after the support rods 4 are lifted to the limit positions, the anti-slip handles 10 at the tops of the two support rods 4 at the same side extend out of the storage grooves 9, the equipment is conveniently carried by the portable anti-slip handles 10, and the stability of the anti-slip handles 10 in the use process is effectively ensured through the limit between the support legs 503 and the movable grooves 501 movably connected at the bottoms of the support rods 4.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. Chromatograph for gas monitoring, comprising a housing (1), characterized in that: the novel chromatographic instrument comprises a shell seat (1), wherein a chromatograph body (2) is fixedly arranged in the shell seat (1), shrinkage grooves (3) are vertically and symmetrically formed in two sides of the chromatograph body (2), support rods (4) are connected inside the shrinkage grooves (3) in a sliding mode, and a supporting mechanism (5) is movably connected between the bottoms of the four support rods (4) and the bottom of the shell seat (1);
the top of the shell seat (1) is symmetrically and movably connected with a shell cover (6), and the upper part of the supporting mechanism (5) is movably connected with the inner wall of the adjacent shell cover (6);
the chromatograph body (2) is provided with heat dissipation grooves (7) on the front side and the rear side, heat dissipation mechanisms (8) are movably connected between the front side and the rear side of the shell seat (1) and the adjacent support rods (4), and the two heat dissipation mechanisms (8) are respectively in one-to-one correspondence with the two heat dissipation grooves (7);
storage grooves (9) are formed in two sides of the top of the chromatograph body (2), and an anti-slip handle (10) matched with the storage grooves (9) is hinged between the tops of the two support rods (4) on the same side;
a locking mechanism (11) is movably connected between the tops of the chromatograph bodies (2) of the two shells (6);
the supporting mechanism (5) comprises four movable grooves (501), the four movable grooves (501) are formed in the periphery of the bottom of the shell seat (1), and the four movable grooves (501) are respectively in one-to-one correspondence with the four supporting rods (4);
a shaft lever (502) is fixedly connected between two sides of the inner wall of the movable groove (501), a supporting leg (503) is rotationally connected to the middle of the shaft lever (502), a slot (504) is formed in the middle of the supporting leg (503), the lower part of the supporting rod (4) is movably inserted into the slot (504), waist-shaped grooves (505) are formed in two sides of the inner wall of the slot (504), guide pins (506) are symmetrically and fixedly connected to the lower part of the supporting rod (4), and two guide pins (506) are respectively and slidably connected to the inner parts of two adjacent waist-shaped grooves (505);
a rectangular groove (507) matched with the shrinkage groove (3) is formed in the upper part of the inner wall of the chromatograph body (2), a guide rod (508) is movably connected in the rectangular groove (507), one end of the guide rod (508) is fixedly connected with the side wall of the adjacent support rod (4), and the other end of the guide rod (508) is rotatably connected with a guide wheel (509);
the inner walls of the two shells (6) are symmetrically provided with guide grooves (510), and the four guide wheels (509) are respectively and slidably connected in the four guide grooves (510);
the heat dissipation mechanism (8) comprises two ventilation grooves (801), and the two ventilation grooves (801) are symmetrically formed in the front side and the rear side of the shell seat (1);
twenty-one rotating rods (802) are rotationally connected between the top and the bottom of the inner wall of the ventilation groove (801) at equal intervals, a baffle plate (803) is fixedly connected to the middle of each rotating rod (802), and an adjusting circular gear (804) is fixedly sleeved on the upper part of each rotating rod (802);
the chromatograph comprises a chromatograph body (2), wherein a transmission groove (805) matched with a contraction groove (3) is symmetrically formed in the left side of the chromatograph body (2), a transmission rod (806) is rotatably connected in the transmission groove (805), a transmission round gear (807) is fixedly sleeved at one end of the transmission rod (806), transmission racks (808) are fixedly connected in the middle parts of two support rods (4) in the left side, and the side walls of the transmission racks (808) are meshed with the side walls of adjacent transmission round gears (807);
an adjusting groove (809) matched with the ventilation groove (801) is formed in the inner wall of the shell seat (1), a rotary table (810) is rotatably connected in the adjusting groove (809), and the other end of the transmission rod (806) extends to the inside of the adjusting groove (809) and is fixedly connected with the side wall of the rotary table (810);
one side of the rotary table (810) far away from the transmission rod (806) is fixedly connected with an adjusting pin (811), the middle part of the adjusting pin (811) is movably connected with a waist-shaped ring (812), the side wall of the waist-shaped ring (812) is fixedly connected with an adjusting rack (813), and one side of the adjusting rack (813) extends to the inside of the ventilation groove (801) to be meshed with the side wall of the adjacent adjusting circular gear (804);
the locking mechanism (11) comprises a groove (111), the groove (111) is formed in the top of the chromatograph body (2), and a computer module (112) is hinged in the groove (111);
the two sides of the two shells (6) are provided with locking grooves (113), locking blocks (114) are connected inside the locking grooves (113) in a sliding mode, and compression springs (115) are fixedly connected between one sides of the locking blocks (114) and the inner walls of the locking grooves (113);
four stop blocks (116) are fixedly connected to the surfaces of the computer modules (112) and the top of the chromatograph body (2), and the four locking blocks (114) are respectively overlapped with the side walls of the adjacent four stop blocks (116).
2. A chromatograph for gas monitoring according to claim 1, characterized in that: the bottoms of the supporting legs (503) are fixedly connected with arc-shaped rubber sleeves, and the arc-shaped rubber sleeves are symmetrically arranged with the two horizontal supporting legs (503).
3. A chromatograph for gas monitoring according to claim 1, characterized in that: the right side of ventilation groove (801) inner wall has seted up the spout, the right-hand member sliding connection of adjusting rack (813) is in the inside of spout, fixedly connected with reset spring between the inner wall of right-hand member and spout of adjusting rack (813).
4. A chromatograph for gas monitoring according to claim 1, characterized in that: the top of shell seat (1) has seted up the guide slot, the guide block has been seted up to the bottom of shell cover (6), shell cover (6) are through guide block sliding connection in the inside of guide slot.
5. A method of using the chromatograph for gas monitoring of claim 1, comprising the steps of:
s1, when the chromatograph for gas monitoring is used, four locking blocks (114) are simultaneously stirred, the locking blocks (114) are released from overlapping limit with adjacent stop blocks (116), then two shells (6) are pulled to move oppositely, when the shells (6) translate at the top of a shell seat (1), guide grooves (510) formed in the inner wall of the shells (6) guide wheels (509), at the moment, the guide wheels (509) slide downwards in rectangular grooves (507) with guide rods (508), the guide rods (508) move downwards with support rods (4), and anti-skid handles (10) on the adjacent two support rods (4) are retracted into storage grooves (9);
s2, in the downward moving process of the supporting rod (4), the supporting rod (4) slides in a waist-shaped groove (505) on the supporting leg (503) through a guide pin (506) at the lower part, so that one end of the supporting leg (503) turns over in the movable groove (501), at the moment, four supporting legs (503) turn out from the bottom of the shell seat (1) to support the shell seat (1) and the chromatograph body (2), and when two shell covers (6) move to a limit position, a stop block (116) at the top of the chromatograph body (2) is in fit lap joint with four locking blocks (114) to limit the movement of the shell covers (6), so that the position of the supporting rod (4) is locked;
s3, when two support rods (4) on the left side of the chromatograph body (2) move downwards, a transmission rack (808) on the side wall of each support rod (4) is meshed with an adjacent transmission round gear (807), the two transmission rods (806) rotate for one hundred eighty degrees along with a rotary table (810), at the moment, the two rotary tables (810) translate in a ventilation groove (801) along with a waist-shaped ring (812) through an adjusting pin (811) and an adjusting rack (813), the adjusting rack (813) is meshed with an adjusting round gear (804), at the moment, a rotating rod (802) rotates slowly along with a baffle (803), the sealing of the ventilation groove (801) is released after the twenty-one baffle (803) deflects by an angle, the baffle (803) at the position of the ventilation groove (801) is synchronously opened in the opening process of a shell cover (6), and then the chromatograph body (2) is started to analyze and monitor gas to be detected;
s4, finally, after chromatograph monitoring is completed, the limit between the four locking blocks (114) is released and the corresponding check blocks (116) are stirred again, then the two shells (6) are pulled to move relatively, in the closing process of the two shells (6), the four support rods (4) are reset and move upwards, at this time, the lower parts of the support rods (4) pull the support legs (503) to be stored into the movable groove (501), the transmission racks (808) on the support rods (4) are disengaged with the transmission round gears (807), the baffle plates (803) automatically reset to seal the positions of the ventilation grooves (801), and the anti-slip handles (10) at the tops of the two support rods (4) on the same side extend out of the storage groove (9) after the support rods (4) are lifted to the limit positions.
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