CN113252855A

CN113252855A - Gas sampling device for chemical refining safety production

Info

Publication number: CN113252855A
Application number: CN202110792562.4A
Authority: CN
Inventors: 肖扬; 杨斌; 陈学媛; 李赛赛; 刘凯
Original assignee: Shandong Shenchi Petrochemical Co ltd
Current assignee: Shandong Shenchi Petrochemical Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-08-13
Anticipated expiration: 2041-07-14
Also published as: CN113252855B

Abstract

The invention discloses a gas sampling device for chemical refining safety production, which belongs to the field of gas sampling devices and comprises a box body and a motor, wherein the motor is fixedly installed in the box body, a first incomplete gear is coaxially and fixedly installed at the output end of the motor, a first rack is arranged on one side of the first incomplete gear, a piston cylinder is fixedly installed in the box body, a piston is installed in the piston cylinder in a matched mode, the piston is fixedly connected with one end of the first rack, two air holes are formed in one side of the piston cylinder, and first check valves are respectively and fixedly installed in the air holes. The gas sampling device is ingenious in structure, can be used for sampling and detecting gas and collecting the gas after detection, on one hand, the gas can be uniformly subjected to harmless treatment after being stored, on the other hand, follow-up rechecking of the quality of the gas is facilitated, and the device can attract attention, so that people can actively look at the device, and whether a fault occurs or not can be conveniently and timely observed.

Description

Gas sampling device for chemical refining safety production

Technical Field

The invention belongs to the field of gas sampling devices, and particularly relates to a gas sampling device for chemical refining safety production.

Background

In chemical industry class workshop, often can produce certain harmful waste gas in the production process, if not detecting waste gas, often the workman inhales the back and can cause the harm to the health, and current gas sampling device often just directly discharges after carrying out the innoxious processing to gas after carrying out the sampling detection, influence the environment, and current gas sampling device places and waits to detect regional top, can't in time discover after breaking down in some times, can influence normal detection, I have designed a gas sampling device for chemical industry refining chemical industry safety in production.

Disclosure of Invention

The invention provides a gas sampling device for safety production of chemical refining, which is used for overcoming the defects in the prior art.

The invention is realized by the following technical scheme:

a gas sampling device for chemical refining safety production comprises a box body and a motor, wherein the motor is fixedly installed in the box body, a first incomplete gear is coaxially and fixedly installed at the output end of the motor, a first rack is arranged on one side of the first incomplete gear, a piston cylinder is fixedly installed in the box body, a piston is installed in the piston cylinder in a matched mode, the piston is fixedly connected with one end of the first rack, the other end of the first rack is fixedly connected with the movable end of a first spring rod, the first spring rod is fixedly installed in the box body, two air holes are formed in one side of the piston cylinder, a first check valve is fixedly installed in each air hole, an air inlet pipe is fixedly installed in one air hole, the air inlet pipe penetrates through the box body and is located on the outer side of the box body, an air inlet of a gas detector is fixedly connected with the other air hole, a first ratchet wheel is, the box body is internally provided with a driving device, the driving device is connected with the first ratchet wheel, the box body is internally provided with a gas collecting device, the gas collecting device is communicated with the gas outlet end of the gas detector, the box body is fixedly provided with a display device, and the display device and the gas collecting device are driven by the driving device.

The gas sampling device for the safe production of chemical engineering, refining and chemical engineering comprises a first transverse plate fixedly arranged on one side of the inner wall of a box body, a first gear ring is rotatably arranged on the top surface of the first transverse plate, a second transverse plate fixedly arranged on one side of the inner wall of the box body is arranged below the first transverse plate, a second gear ring is rotatably arranged on the top surface of the second transverse plate, a third gear ring coaxially and fixedly arranged on a first ratchet wheel is arranged below the second transverse plate, first through holes are respectively formed in the first transverse plate and the second transverse plate, a C-shaped plate is fixedly arranged in the box body, a first gear is arranged on one side of the third gear ring, the third gear ring is meshed with the first gear, the first gear is rotatably arranged on the C-shaped plate, a second incomplete gear is coaxially and fixedly arranged above the first gear, a second gear is arranged on one side of the second gear ring, the second gear is meshed with the second gear, and a third incomplete gear is coaxially and fixedly arranged above the second gear, the third incomplete gear is rotatably arranged on the C-shaped plate, the gas collecting device is driven by the first gear ring and the second gear ring, and the display device is driven by the first gear ring, the second gear ring and the third gear ring.

As above a gas sampling device for chemical industry refining safety in production, display device includes the clock table box of fixed mounting on the box body, set up the second through-hole on the clock table box, be equipped with first standpipe in the second through-hole, be equipped with the second standpipe in the first standpipe, be equipped with the montant in the second standpipe, first standpipe passes through support and first ring gear fixed connection, the second standpipe passes through support and second ring gear fixed connection, the montant passes through support and third ring gear fixed connection, the first horizontal pole of fixed mounting on the first standpipe, the second horizontal pole of fixed mounting on the second standpipe, the third horizontal pole of fixed mounting on the montant.

The gas sampling device for the safe production of chemical refining comprises a three-way valve fixedly arranged in a box body, the gas inlet end of the three-way valve is communicated with the gas outlet end of a gas detector, two trays are fixedly arranged in the box body, annular box bodies are respectively and movably arranged in the trays, a plurality of partition plates are respectively arranged in the annular box bodies, a cylinder is respectively and slidably arranged in the middle of each annular box body, a third ratchet wheel is respectively and fixedly arranged on the top side of each cylinder, the third ratchet wheels are respectively and unidirectionally and rotatably connected with the top surfaces of the corresponding annular box bodies, an inner threaded pipe is respectively and coaxially and rotatably arranged on the top surfaces of the third ratchet wheels, an outer threaded pipe is respectively and threadedly arranged in each inner threaded pipe, the outer threaded pipes are respectively communicated with the other two ends of the corresponding three-way valves through gas conveying pipes, the top surfaces of the third ratchet wheels are respectively provided with gas guide holes communicated with the outer peripheries of the cylinders after penetrating through the cylinders, and the inner peripheries of the annular box bodies are provided with a plurality of vent holes, the periphery of the annular box body is provided with a plurality of pressure relief holes, and the annular box body is provided with a plurality of air bags.

As above, a gas sampling device for chemical refining safety production, the rear sides of first ring gear and second ring gear are respectively equipped with the third gear, the top side of third gear is coaxial fixed mounting fourth incomplete gear respectively, the top of third gear is equipped with the second rack respectively, the one end of second rack is the one end of fixed connection second spring pole respectively, the other end of second spring pole is equal fixed mounting in the box body, the other end of second rack is the one end of fixed connection L shape pole respectively, the coaxial fixed mounting second ratchet of input of three-way valve, the second ratchet passes through one-way bearing and is connected with the top surface rotation of box body inner wall, rotate through torsional spring and articulated shaft on the L shape pole of upside and install several second pawl, fixed mounting third diaphragm on the L shape pole of downside, the both sides rotate through torsional spring and articulated shaft respectively around the third diaphragm and install several third pawl.

As above gas sampling device for chemical refining safety in production, the three-way valve includes the casing, and the sealed ball head of rotation installation in the casing, the inlet port is seted up to the bottom surface of casing, and two centrosymmetric ventholes are seted up to the periphery of casing, set up L shape through-hole in the ball head, the one end of L shape through-hole all the time with the inside intercommunication of inlet port, the other end of L shape through-hole can communicate with two ventholes.

According to the gas sampling device for the safety production of chemical refining, the display screen and the alarm are fixedly installed on the box body, the controller is fixedly installed in the box body, and the gas detector, the display screen and the alarm are respectively connected with the controller through circuits.

The invention has the advantages that: the gas sampling device is ingenious in structure and convenient to use, can be used for sampling and detecting gas and collecting the gas after detection, on one hand, the gas can be uniformly subjected to harmless treatment after being stored, on the other hand, follow-up air quality rechecking is facilitated, and the device can attract attention, so that people can actively look at the device, and whether a fault occurs or not can be conveniently and timely observed. When the device is used, the motor rotates to drive the first rack to move through the rotation of the first incomplete gear, the first spring rod is compressed to store energy, the first rack drives the piston to move, the piston in the piston cylinder becomes negative pressure, air enters the piston cylinder through the air inlet pipe, meanwhile, the movement of the first rack drives the first pawl to move, the first pawl rotates along the hinged shaft under the blocking of the first ratchet wheel and resets under the action of the torsion spring after not contacting with the first ratchet wheel until the first incomplete gear rotates to be not meshed with the first rack any more, the first spring rod releases energy to extend to push the first rack to move, the first rack drives the first pawl to move, the first pawl pushes the first ratchet wheel to rotate when moving, the first ratchet wheel drives the driving device to start, meanwhile, the movement of the first rack pushes the piston to move, so that gas in the piston cylinder enters the gas collecting device driven by the driving device to be collected after being injected to the gas detector for detection, can carry out innocent treatment after the gaseous unified storage after detecting to can be convenient for draw the sample when follow-up air quality reexamination, simultaneously through display device, make the workman in the factory building raise often and observe, be convenient for in time discover the trouble, in time carry out the investigation of trouble, avoid because the device breaks down and leads to unable in time discovery when harmful gas leaks.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is an enlarged view of the view of FIG. 1 taken along line B; FIG. 4 is an enlarged view taken along line C-C of FIG. 1; FIG. 5 is an enlarged view of section I of FIG. 1; fig. 6 is a partial enlarged view of ii of fig. 2.

Reference numerals: 1. a box body, 2, a motor, 3, a first incomplete gear, 4, a first rack, 5, a piston cylinder, 6, a piston, 7, an air hole, 8, a first check valve, 9, an air inlet pipe, 10, a gas detector, 11, a first spring rod, 12, a first ratchet wheel, 13, a first pawl, 14, a first transverse plate, 15, a first gear ring, 16, a second transverse plate, 17, a second gear ring, 18, a third gear ring, 19, a first through hole, 20, a C-shaped plate, 21, a first gear, 22, a second incomplete gear, 23, a second gear, 24, a third incomplete gear, 25, a clock box, 26, a second through hole, 27, a first vertical pipe, 28, a second vertical pipe, 29, a vertical rod, 30, a first cross rod, 31, a second cross rod, 32, a third cross rod, 33, a ball head, 331, a shell, 332, a through hole, 333, an air inlet hole, 334, an air outlet hole, 335, and an L-shaped through hole, 34. the air bag comprises a tray, 35, an annular box body, 36, a partition plate, 37, a column body, 38, a third ratchet wheel, 39, an internal threaded pipe, 40, an external threaded pipe, 41, an air conveying pipe, 42, an air guide hole, 43, an air vent hole, 44, a pressure relief hole, 45, an air bag, 46, a third gear, 47, a fourth incomplete gear, 48, a second rack, 49, a second spring rod, 50, an L-shaped rod, 51, a second ratchet wheel, 52, a second pawl, 53, a third transverse plate, 54, a third pawl, 55, a display screen, 56, an alarm, 57 and a controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

A gas sampling device for chemical refining and chemical production safety comprises a box body 1 and a motor 2, wherein the motor 2 is fixedly installed in the box body 1, a box cover is arranged on one side of the box body 1, a first incomplete gear 3 is coaxially and fixedly installed at the output end of the motor 2, a first rack 4 is arranged on one side of the first incomplete gear 3, the first rack 4 can be meshed with the first incomplete gear 3, a piston cylinder 5 is fixedly installed in the box body 1, a piston 6 is installed in the piston cylinder 5 in a matched mode, the piston 6 can only move left and right in the piston cylinder 5, the piston 6 is fixedly connected with one end of the first rack 4, the other end of the first rack 4 is fixedly connected with the movable end of a first spring rod 11, the first spring rod 11 is fixedly installed in the box body 1, two air holes 7 are formed in one side of the piston cylinder 5, first check valves 8 are respectively and fixedly installed in the air holes 7, and an air inlet pipe 9 is fixedly installed in one of the air holes 7, the air inlet pipe 9 penetrates through the box body 1 and is positioned at the outer side of the box body 1, the other air hole 7 is fixedly connected with an air inlet of the gas detector 10, a first ratchet wheel 12 is installed at the bottom side of the inner wall of the box body 1 in a one-way rotating mode, the first ratchet wheel 12 is connected with the box body 1 through a one-way bearing, a plurality of first pawls 13 are installed at one side of the first rack 4 through a torsion spring and a hinge shaft in a rotating mode, the first pawls 13 can only drive the first ratchet wheel 12 to rotate when the first spring rod 11 extends and pushes the first rack 4 to move, a driving device is arranged in the box body 1 and is connected with the first ratchet wheel 12, a gas collecting device is arranged in the box body 1 and can collect and store gas through the gas collecting device, subsequent treatment and rechecking are facilitated, the gas collecting device is communicated with an air outlet end of the gas detector 10, a display device is fixedly installed on the box body 1, and a worker can often lift head to the display device through the display device during working, the detection result can be observed conveniently under the condition that a plurality of people gaze, the detection result can be found conveniently in time when the device breaks down, and the display device and the gas collection device are driven by the driving device. The gas sampling device is ingenious in structure and convenient to use, can be used for sampling and detecting gas and collecting the gas after detection, on one hand, the gas can be uniformly subjected to harmless treatment after being stored, on the other hand, follow-up air quality rechecking is facilitated, and the device can attract attention, so that people can actively look at the device, and whether a fault occurs or not can be conveniently and timely observed. When the device is used, the motor 2 rotates to drive the first rack 4 to move through the rotation of the first incomplete gear 3, the first spring rod 11 is compressed to store energy, the first rack 4 drives the piston 6 to move, so that the interior of the piston cylinder 5 becomes negative pressure, air enters the piston cylinder 5 through the air inlet pipe 9, meanwhile, the movement of the first rack 4 drives the first pawl 13 to move, the first pawl 13 rotates along the hinge shaft under the blocking of the first ratchet wheel 12 and resets under the action of the torsion spring after not contacting with the first ratchet wheel 12 until the first incomplete gear 3 rotates to be not meshed with the first rack 4 any more, the first spring rod 11 releases energy to extend to push the first rack 4 to move, the first rack 4 drives the first pawl 13 to move, the first pawl 13 pushes the first ratchet wheel 12 to rotate when moving, so that the first ratchet wheel 12 drives the driving device to start, and meanwhile, the movement of the first rack 4 pushes the piston 6 to move, make the gas in the piston cylinder 5 injected to gas detector 10 and detected the back and get into and collect by drive arrangement driven gas collection device, can carry out innocent treatment after the unified storage of gas after detecting, and can be convenient for draw the sample when follow-up air quality reexamination, simultaneously through display device, make the workman in the factory building raise often and observe, be convenient for in time discover the trouble, in time carry out the investigation of trouble, avoid because the device breaks down and can't in time discover that leads to when harmful gas leaks.

Specifically, as shown in fig. 1, the driving device of the present embodiment includes a first horizontal plate 14 fixedly installed on one side of the inner wall of the box body 1, a first gear ring 15 is rotatably installed on the top surface of the first horizontal plate 14, a second horizontal plate 16 fixedly installed on one side of the inner wall of the box body 1 is installed below the first horizontal plate 14, a second gear ring 17 is rotatably installed on the top surface of the second horizontal plate 16, a third gear ring 18 coaxially and fixedly installed on the first ratchet wheel 12 is installed below the second horizontal plate 16, the center lines of the first gear ring 15, the second gear ring 17 and the third gear ring 18 are collinear, and the diameters and the inside diameters are the same, a first through hole 19 is respectively opened on the first horizontal plate 14 and the second horizontal plate 16, the center lines of the first through hole 19, the first gear ring 15 and the second gear ring 17 are collinear, and the inside diameters of the first through hole 19, the first gear ring 15 and the second gear ring 17 are the same, a C-shaped plate 20 is fixedly installed in the box body 1, and a first gear 21 is installed on one side of the third gear ring 18, the third gear ring 18 is meshed with the first gear 21, the first gear 21 is rotatably arranged on the C-shaped plate 20, a second incomplete gear 22 is coaxially and fixedly arranged above the first gear 21, the second incomplete gear 22 can be meshed with the second gear ring 17, one side of the second gear ring 17 is provided with a second gear 23, the second gear ring 17 is meshed with the second gear 23, a third incomplete gear 24 is coaxially and fixedly arranged above the second gear 23, the third incomplete gear 24 can be meshed with the first gear ring 15, the third incomplete gear 24 is rotatably arranged on the C-shaped plate 20, the first gear ring 15, the second gear ring 17, the third gear ring 18 and the first gear 21, the diameters of the second incomplete gear 22, the second gear 23 and the third incomplete gear 24 are the same, the gas collecting device is driven by the first gear ring 15 and the second gear ring 17, and the display device is driven by the first gear ring 15, the second gear ring 17 and the third gear ring 18. When the first ratchet wheel 12 rotates, the third gear ring 18 can be driven to rotate, the first gear 21 is driven to rotate through the third gear ring 18, the first gear 21 rotates to drive the second incomplete gear 22 to rotate, the second incomplete gear 22 drives the second gear ring 17 to rotate when being meshed with the second gear ring 17, meanwhile, the second gear ring 17 can be driven to rotate, the second gear 23 drives the third incomplete gear 24 to rotate when rotating, the third incomplete gear 24 rotates to be meshed with the first gear ring 15, so that the first gear ring 15 is driven to rotate, the rotating speed of the motor 2 is 5s per circle, the number ratio of the teeth of the first ratchet wheel 12 to the teeth of the first pawl 13 is 20:1, the tooth ratio of the second gear ring 17 to the teeth of the second incomplete gear 22 is 60:1, the tooth ratio of the first gear ring 15 to the teeth of the third incomplete gear 24 is 12:1, and the time for the first ratchet wheel 12 to drive the third gear ring 18 to rotate is one minute, the time for one rotation of the second ring gear 17 is one hour, and the time for one rotation of the first ring gear 15 is twelve hours.

Specifically, as shown in fig. 1, the display device according to this embodiment includes a clock box 25 fixedly mounted on the box body 1, transparent glass is embedded in the clock box 25, clock scales are marked in the clock box 25, a second through hole 26 is formed in the clock box 25, a first vertical pipe 27 is disposed in the second through hole 26, a second vertical pipe 28 is disposed in the first vertical pipe 27, a vertical rod 29 is disposed in the second vertical pipe 28, the first vertical pipe 27 is fixedly connected to the first gear ring 15 through a bracket, the second vertical pipe 28 is fixedly connected to the second gear ring 17 through a bracket, the vertical rod 29 is fixedly connected to the third gear ring 18 through a bracket, a first cross rod 30 is fixedly mounted on the first vertical pipe 27, a second cross rod 31 is fixedly mounted on the second vertical pipe 28, a third cross rod 32 is fixedly mounted on the vertical rod 29, the first cross rod 30, the second cross rod 31 and the third cross rod 32 are all located in the clock box 25, and the first cross rod 30, the lengths of the second and

third rails

31 and 32 are sequentially increased. The first incomplete gear 3 is driven to rotate by the rotation of the motor 2, so that the first incomplete gear 3 drives the first rack 4 and the first pawl 13 to move, the first ratchet wheel 12 is driven to rotate intermittently, the time for driving the third gear ring 18 to rotate for one circle by the first ratchet wheel 12 is one minute, the time for driving the second gear ring 17 to rotate for one circle is one hour, the time for driving the first gear ring 15 to rotate for one circle is twelve hours, the time for driving the third cross rod 32 to rotate for one circle every minute, the time for driving the second cross rod 31 to rotate for one circle every hour, the time for driving the first cross rod 30 to rotate for one circle every twelve hours, and the time for driving the device to function as a clock can be indicated by the scales on the clock box 25, and the time can be indicated by the device which is placed above an area to be detected when in use, workers in a factory can determine the current time by looking at the clock box 25 when working, and when the current displayed time has a large deviation with the actual time, the trouble has appeared and in time taken off to overhaul in discovery this device that can be timely, avoids not discovering the trouble for a long time and leads to gaseous detection to go wrong, influences safety, through people's subjective demand, need carry out the passive attraction to people's attention through the accuse to the time promptly, rather than arousing the initiative attraction that people noticed through modes such as making sound, makes this display device can not influence people's normal work and life.

Further, as shown in fig. 1, the gas collecting device of this embodiment includes a three-way valve 33 fixedly installed in a box body 1, the three-way valve 33 is driven by a first gear ring 15, the first gear ring 15 drives the three-way valve 33 to change direction every twelve hours, a gas inlet end of the three-way valve 33 is communicated with a gas outlet end of the gas detector 10, two trays 34 are fixedly installed in the box body 1, annular box bodies 35 are movably installed in the trays 34 respectively, the annular box bodies 35 can only move up and down in the trays 34, a plurality of partition plates 36 are installed in the annular box bodies 35 respectively, peripheries of the partition plates 36 are fixedly connected with inner walls of the corresponding annular box bodies 35 respectively, each annular box body 35 can be divided into 12 independent spaces by the partition plates 36, a cylinder 37 is slidably installed in the middle of each annular box body 35, the cylinder 37 is matched with the middle of the annular box body 35 to form a sealing surface, third ratchets 38 are fixedly installed on top sides of the cylinder 37 respectively, the third ratchet wheel 38 is driven by the second gear ring 17, the second gear ring 17 drives the third ratchet wheel 38 to rotate 30 degrees every hour, the third ratchet wheel 38 is respectively connected with the top surface of the corresponding annular box body 35 in a unidirectional rotation mode, the unidirectional rotation connection mode is that the third ratchet wheel 38 is connected through a unidirectional bearing, the top surface of the third ratchet wheel 38 is respectively and coaxially provided with an internal threaded pipe 39 in a rotation mode, the third ratchet wheel 38 is connected with the internal threaded pipe 39 through a sealing bearing in a rotation mode, the internal threaded pipe 39 is respectively and threadedly provided with an external threaded pipe 40, the internal threaded pipe 39 and the external threaded pipe 40 are sealed through thread sealant, the external threaded pipe 40 is respectively communicated with the other two ends of the corresponding three-way valves 33 through air pipes 41, the top surface of the third ratchet wheel 38 is respectively provided with air guide holes 42 which penetrate through the cylinder 37 and are communicated with the outer periphery of the cylinder 37, the inner periphery of the annular box body 35 is provided with a plurality of vent holes 43, the vent holes 43 are respectively in one-to one correspondence with independent spaces separated by the partition plates 36, the vent holes 43 can be communicated with the air guide holes 42 respectively, a plurality of pressure relief holes 44 are formed in the periphery of the annular box body 35, the pressure relief holes 44 correspond to independent spaces separated by the partition plate 36 one by one respectively, a plurality of air bags 45 are arranged on the annular box body 35, the air bags 45 correspond to the vent holes 43 one by one, and the air bags 45 are fixedly connected with the inner walls of the corresponding vent holes 43 respectively. When the device is used, the external thread pipes 40 are respectively screwed into the corresponding internal thread pipes 39, then the annular box bodies 35 are respectively placed in the corresponding trays 34, when the device is used, the second gear 17 can drive the third ratchet wheel 38 to rotate once per hour, each rotation is carried out, the air guide hole 42 is communicated with the inside of one air vent 43, detected gas is injected into the corresponding air bag 45 through the three-way valve 33, the air delivery pipe 41, the external thread pipe 40, the internal thread pipe 39, the air guide hole 42 and the air vent 43 to inflate the corresponding air bag 45, after one hour, the third ratchet wheel 38 drives the column body 37 to rotate to be communicated with the inside of other air vents 43 to inflate other air bags 45, and after twelve hours in total, the air bags 45 in the annular box bodies 35 are all filled, at the moment, the first gear 15 drives the three-way valve 33 to change directions once, at the moment, the detected gas is discharged into the air bags 45 in the other annular box bodies 35, at this time, the third ratchet wheel 38 is rotated to make the air guide hole 42 dislocate with the vent hole 43, the external thread tube 40 is screwed, the annular box body 35 with the collected gas can be taken off and replaced with a new annular box body 35, the gas can be collected through the annular box body 35, the gas detected every hour can be separately stored and then separately stored, not only can a gas sample every hour be retained, but also when the gas leakage occurs in the factory building, the initial time of the change of the gas in the air can be judged through the retained gas sample, the specific reason of the gas leakage occurring in the factory building can be traced better, when the retention is not needed any more after a period of time, the column body 37 is rotated to make the air guide hole 42 communicate with the corresponding vent hole 43, the air guide hole 42 is evacuated to shrink the air bag 45, the gas in the air bag 45 is discharged and is subjected to harmless treatment, the ring box 35 can be reused.

Furthermore, as shown in fig. 2, in the present embodiment, the rear sides of the first gear ring 15 and the second gear ring 17 are respectively provided with a third gear 46, the third gear 46 is respectively rotatably installed on the corresponding first horizontal plate 14 and the corresponding second horizontal plate 16, the top sides of the third gear 46 are respectively coaxially and fixedly installed with a fourth incomplete gear 47, a second rack 48 is respectively arranged above the third gear 46, the second rack 48 can be respectively engaged with the corresponding fourth incomplete gear 47, one end of the second rack 48 is respectively and fixedly connected with one end of a second spring rod 49, the other end of the second spring rod 49 is respectively and fixedly installed in the box body 1, the other end of the second rack 48 is respectively and fixedly connected with one end of an L-shaped rod 50, the input end of the three-way valve 33 is coaxially and fixedly installed with a second ratchet 51, the second ratchet 51 is rotatably connected with the top surface of the inner wall of the box body 1 through a one-way bearing, a plurality of second pawls 52 are rotatably installed on the upper L-shaped rod 50 through a torsion spring and a hinge shaft, the L-shaped rod 50 on the upper side moves to drive the second ratchet wheel 51 to rotate in a single direction through the second pawl 52, the L-shaped rod 50 on the lower side is fixedly provided with a third transverse plate 53, the front side and the rear side of the third transverse plate 53 are respectively provided with a plurality of third pawls 54 in a rotating mode through torsion springs and hinge shafts, and the third pawls 54 can respectively drive the corresponding third ratchet wheels 38 to rotate. When the first gear ring 15 and the second gear ring 17 rotate, the corresponding third gear 46 can be respectively driven to rotate, through the rotation of the third gear 46, each time when the fourth incomplete gear 47 is meshed with the corresponding second rack 48, the corresponding second rack 48 and the corresponding L-shaped rod 50 can be driven to move once, and the second rack 48 and the corresponding L-shaped rod 50 are restored to the original positions through the second spring rod 49 when the fourth incomplete gear 47 is disengaged, when the second rack 48 and the L-shaped rod 50 move, the upper L-shaped rod 50 can drive the second ratchet wheel 51 to rotate in a single direction through the second pawl 52, the three-way valve 33 can be switched once, the lower L-shaped rod 50 can drive the third ratchet wheel 38 to rotate 30 degrees through the third transverse plate 53 and the third pawl 54, the column 37 can be driven to rotate, through the movement of the second rack 48 and the L-shaped rod 50, the second pawl 52 and the second ratchet wheel 51 can drive the three-way valve 33 to switch, the column 37 can be driven to rotate by the third pawl 54 and the third ratchet 38 to inflate different air bags 45.

Furthermore, as shown in fig. 4, the three-way valve 33 of this embodiment includes a housing 331, a ball 332 is rotatably and hermetically mounted in the housing 331, an air inlet hole 333 is formed in a bottom surface of the housing 331, two centrosymmetric air outlet holes 334 are formed in an outer periphery of the housing 331, an L-shaped through hole 335 is formed in the ball 332, one end of the L-shaped through hole 335 is always communicated with the inside of the air inlet hole 333, and the other end of the L-shaped through hole 335 can be communicated with the two air outlet holes 334. The top side of the ball head 332 is fixedly connected with the second ratchet wheel 51 through a rotating shaft, and through the movement of the L-shaped rod 50, the second pawl 52 can drive the second ratchet wheel 51 to rotate 180 degrees at each time, so that the orientation of the L-shaped through hole 335 can be changed, and the L-shaped through hole 335 is respectively switched between the two air inlet holes 333.

Furthermore, as shown in fig. 1, in the embodiment, a display screen 55 and an alarm 56 are fixedly installed on the box body 1, a controller 57 is fixedly installed in the box body 1, and the gas detector 10, the display screen 55 and the alarm 56 are respectively connected with the controller 57 through circuits. Gas detection appearance 10 can transmit the testing result to controller 57 when detecting gas on, controller 57 can show air quality transmission to display screen 55, when detecting that harmful gas exceeds standard, controller 57 control alarm 56 reports to the police, reminds people to notice.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a gas sampling device for chemical industry refining safety in production, includes box body (1), motor (2), fixed mounting motor (2), its characterized in that in box body (1): a first incomplete gear (3) is coaxially and fixedly installed at the output end of a motor (2), a first rack (4) is arranged on one side of the first incomplete gear (3), a piston cylinder (5) is fixedly installed in a box body (1), a piston (6) is installed in the piston cylinder (5) in a matched mode, the piston (6) is fixedly connected with one end of the first rack (4), the other end of the first rack (4) is fixedly connected with the movable end of a first spring rod (11), the first spring rod (11) is fixedly installed in the box body (1), two air holes (7) are formed in one side of the piston cylinder (5), first check valves (8) are respectively and fixedly installed in the air holes (7), an air inlet pipe (9) is fixedly installed in one air hole (7), the air inlet pipe (9) penetrates through the box body (1) and is located on the outer side of the box body (1), and the other air hole (7) is fixedly connected with an air inlet of a gas detector (10), the bottom side of the inner wall of the box body (1) is provided with a first ratchet wheel (12) in a unidirectional rotating mode, one side of a first rack (4) is provided with a plurality of first pawls (13) in a rotating mode through a torsion spring and a hinge shaft, a driving device is arranged in the box body (1) and connected with the first ratchet wheel (12), a gas collecting device is arranged in the box body (1) and communicated with a gas outlet end of a gas detector (10), a display device is fixedly mounted on the box body (1), and the display device and the gas collecting device are driven by the driving device.

2. The gas sampling device for the safety production of chemical refining according to claim 1, characterized in that: the driving device comprises a first transverse plate (14) fixedly arranged on one side of the inner wall of the box body (1), a first gear ring (15) is rotatably arranged on the top surface of the first transverse plate (14), a second transverse plate (16) fixedly arranged on one side of the inner wall of the box body (1) is arranged below the first transverse plate (14), a second gear ring (17) is rotatably arranged on the top surface of the second transverse plate (16), a third gear ring (18) coaxially and fixedly arranged on the first ratchet wheel (12) is arranged below the second transverse plate (16), first through holes (19) are respectively formed in the first transverse plate (14) and the second transverse plate (16), a C-shaped plate (20) is fixedly arranged in the box body (1), a first gear (21) is arranged on one side of the third gear ring (18), the third gear ring (18) is meshed with the first gear (21), the first gear (21) is rotatably arranged on the C-shaped plate (20), a second incomplete gear (22) is coaxially arranged above the first gear (21), one side of the second gear ring (17) is provided with a second gear (23), the second gear ring (17) is meshed with the second gear (23), a third incomplete gear (24) is coaxially and fixedly mounted above the second gear (23), the third incomplete gear (24) is rotatably mounted on the C-shaped plate (20), the gas collecting device is driven by the first gear ring (15) and the second gear ring (17), and the display device is driven by the first gear ring (15), the second gear ring (17) and the third gear ring (18).

3. The gas sampling device for the safety production of chemical refining according to claim 1, characterized in that: the display device comprises a clock box (25) fixedly mounted on a box body (1), a second through hole (26) is formed in the clock box (25), a first vertical pipe (27) is arranged in the second through hole (26), a second vertical pipe (28) is arranged in the first vertical pipe (27), a vertical rod (29) is arranged in the second vertical pipe (28), the first vertical pipe (27) is fixedly connected with a first gear ring (15) through a support, the second vertical pipe (28) is fixedly connected with a second gear ring (17) through a support, the vertical rod (29) is fixedly connected with a third gear ring (18) through a support, a first transverse rod (30) is fixedly mounted on the first vertical pipe (27), a second transverse rod (31) is fixedly mounted on the second vertical pipe (28), and a third transverse rod (32) is fixedly mounted on the vertical rod (29).

4. The gas sampling device for the safety production of chemical refining according to claim 1, characterized in that: the gas collecting device comprises a three-way valve (33) fixedly installed in a box body (1), the gas inlet end of the three-way valve (33) is communicated with the gas outlet end of a gas detector (10), two trays (34) are fixedly installed in the box body (1), annular box bodies (35) are respectively and movably installed in the trays (34), a plurality of partition plates (36) are respectively arranged in the annular box bodies (35), a cylinder body (37) is respectively and slidably installed in the middle of each annular box body (35), a third ratchet wheel (38) is respectively and fixedly installed on the top side of each cylinder body (37), each third ratchet wheel (38) is respectively and unidirectionally and rotatably connected with the top surface of the corresponding annular box body (35), an internal threaded pipe (39) is respectively and rotatably installed on the top surface of each third ratchet wheel (38) coaxially, an external threaded pipe (40) is respectively and threadedly installed in each internal threaded pipe (39), and each external threaded pipe (40) is respectively communicated with the other two ends of the corresponding three-way valve (33) through a gas conveying pipe (41), the top surface of the third ratchet wheel (38) is respectively provided with an air guide hole (42) which penetrates through the column body (37) and then is communicated with the periphery of the column body (37), the inner periphery of the annular box body (35) is provided with a plurality of vent holes (43), the periphery of the annular box body (35) is provided with a plurality of pressure relief holes (44), and the annular box body (35) is provided with a plurality of air bags (45).

5. The gas sampling device for the safety production of chemical refining according to claim 2, characterized in that: the rear sides of the first gear ring (15) and the second gear ring (17) are respectively provided with a third gear (46), the top sides of the third gears (46) are respectively and coaxially and fixedly provided with a fourth incomplete gear (47), a second rack (48) is respectively arranged above the third gears (46), one end of the second rack (48) is respectively and fixedly connected with one end of a second spring rod (49), the other end of the second spring rod (49) is fixedly arranged in the box body (1), the other end of the second rack (48) is respectively and fixedly connected with one end of an L-shaped rod (50), the input end of the three-way valve (33) is coaxially and fixedly provided with a second ratchet wheel (51), the second ratchet wheel (51) is rotatably connected with the top surface of the inner wall of the box body (1) through a one-way bearing, a plurality of second pawls (52) are rotatably arranged on the L-shaped rod (50) at the upper side through a torsion spring and a hinge shaft, a third transverse plate (53) is fixedly arranged on the L-shaped rod (50) at the lower side, a plurality of third pawls (54) are rotatably arranged at the front side and the rear side of the third transverse plate (53) through torsion springs and hinge shafts respectively.

6. The gas sampling device for the safety production of chemical refining according to claim 4, characterized in that: the three-way valve (33) comprises a shell (331), a ball head (332) is installed in the shell (331) in a sealed and rotating mode, an air inlet hole (333) is formed in the bottom surface of the shell (331), two centrosymmetric air outlet holes (334) are formed in the periphery of the shell (331), an L-shaped through hole (335) is formed in the ball head (332), one end of the L-shaped through hole (335) is communicated with the interior of the air inlet hole (333) all the time, and the other end of the L-shaped through hole (335) can be communicated with the two air outlet holes (334).

7. The gas sampling device for the safety production of chemical refining according to claim 1, characterized in that: the gas detector is characterized in that a display screen (55) and an alarm (56) are fixedly mounted on the box body (1), a controller (57) is fixedly mounted in the box body (1), and the gas detector (10), the display screen (55) and the alarm (56) are respectively connected with the controller (57) through circuits.