CN215415242U

CN215415242U - Gas chromatography device for analyzing trace sulfide in ambient air

Info

Publication number: CN215415242U
Application number: CN202121212004.8U
Authority: CN
Inventors: 朱玮郁; 刘安东; 朱嘉荣
Original assignee: Kaiai Analytical Instrument Shanghai Co ltd
Current assignee: Kaiai Analytical Instrument Shanghai Co ltd
Priority date: 2021-06-01
Filing date: 2021-06-01
Publication date: 2022-01-04
Anticipated expiration: 2031-06-01

Abstract

The utility model belongs to the technical field of gas chromatography equipment, and particularly discloses a gas chromatography device for analyzing trace sulfides in ambient air, which comprises a base, wherein the top of the base is provided with a gas chromatograph body, and two sides of the gas chromatograph body are respectively provided with a protection mechanism; the bottom of the base is provided with a containing groove, moving assemblies are symmetrically arranged in the containing groove, each moving assembly comprises an installation block, the bottom of each installation block is fixedly connected with a first connecting piece, each first connecting piece is provided with a connecting plate, one side of each connecting plate is connected with a second connecting piece, the bottom of each second connecting piece is fixedly connected with a moving wheel installation seat, and moving wheels are symmetrically arranged at the bottom of each moving wheel installation seat; one side of the movable wheel mounting seat is fixedly connected with a fixed plate, and one side of the fixed plate, which is far away from the movable wheel mounting seat, is provided with an upper connecting hole and a lower connecting hole; positioning mechanisms for fixing the fixing plate are symmetrically arranged on two sides of the base; the utility model has the advantages of convenient movement, strong protection and convenient carrying and use.

Description

Gas chromatography device for analyzing trace sulfide in ambient air

Technical Field

The utility model relates to the technical field of gas chromatography equipment, in particular to a gas chromatography device for analyzing trace sulfides in ambient air.

Background

The gas chromatograph is a chromatographic analysis device using gas as a mobile phase. The principle is mainly to realize the separation of the mixture by utilizing the differences of the boiling point, the polarity and the adsorption property of the substances. After being gasified in the gasification chamber, the sample to be analyzed is carried into the chromatographic column by inert gas (i.e. carrier gas, also called mobile phase), the column contains liquid or solid stationary phase, and each component in the sample tends to form distribution or adsorption equilibrium between the mobile phase and the stationary phase. With the flowing of the carrier gas, the sample components are repeatedly distributed or adsorbed/desorbed in motion for many times, and the components with high distribution concentration in the carrier gas flow out of the chromatographic column firstly, and the components with high distribution concentration in the stationary phase flow out after being distributed.

In the air trace sulphide detection analysis process, need use the gas chromatography device, however, current gas chromatography device is because the volume is too big, when needs remove the transport, brings the inconvenience for the staff, removes the in-process simultaneously and lacks safeguard measure and leads to damaging easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a gas chromatographic device for analyzing trace sulfide in ambient air, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a gas chromatography device for analyzing trace sulfides in ambient air comprises a base, wherein a gas chromatograph body is arranged at the top of the base, and protection mechanisms are arranged on two sides of the gas chromatograph body; the bottom of the base is provided with a containing groove, moving assemblies are symmetrically arranged in the containing groove inner cavity and comprise mounting blocks, the mounting blocks are fixedly arranged at the top of the containing groove inner cavity, the bottom of each mounting block is fixedly connected with a first connecting piece, a connecting plate is movably mounted on each first connecting piece, one side, far away from the first connecting piece, of each connecting plate is movably connected with a second connecting piece, the bottom of each second connecting piece is fixedly connected with a moving wheel mounting seat, and moving wheels are symmetrically arranged at the bottom of each moving wheel mounting seat; one side of the movable wheel mounting seat, which faces the side wall of the accommodating groove, is fixedly connected with a fixed plate, and one side of the fixed plate, which is far away from the movable wheel mounting seat, is provided with an upper connecting hole and a lower connecting hole; and positioning mechanisms for fixing the fixing plate are symmetrically arranged on two sides of the base.

Preferably, the protection mechanism comprises a rubber pad and a protection plate; the rubber pad is laid on the lateral wall of gas chromatograph body, is the rectangle array on the rubber pad and is provided with the through-hole, is equipped with the spliced pole in the through-hole, and the one end and the gas chromatograph body lateral wall rigid coupling of spliced pole, the spring coupling in the buffer hole on the other end and the guard plate.

Preferably, the connecting column is slidably connected with the buffer hole.

Preferably, the connecting column is movably connected with the through hole.

Preferably, the upper side and the lower side of the connecting plate are movably connected with the first connecting piece and the second connecting piece through rotating shafts.

Preferably, the upper connecting hole and the lower connecting hole are on the same vertical line and have consistent specifications.

Preferably, the positioning mechanism comprises a threaded pipe, the threaded pipe is fixedly embedded on the outer side wall of the base, and the threaded pipe is communicated with the accommodating groove; a screw rod penetrates through the inner screw of the threaded pipe, and a hand wheel is fixedly connected to the outer end of the screw rod.

Preferably, the inner walls of the upper connecting hole and the lower connecting hole are provided with internal threads matched with the screw threads of the screw rod, and the screw rod is correspondingly arranged with the upper connecting hole and the lower connecting hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the gas chromatography device, the movable wheel mounting seat can be arranged outside the accommodating groove by rotating the movable wheel mounting seat, and the movable wheel mounting seat can be fixed by connecting the lead screw and the upper connecting hole, so that the device is convenient to move, the operation is simple, and the problem that the traditional gas chromatography device is inconvenient to move in the carrying process is solved.

2. According to the utility model, the protection mechanisms are arranged on the two sides of the gas chromatograph body, so that the gas chromatograph body can be protected, and the gas chromatograph body is prevented from being damaged due to collision in the moving process.

3. The movable wheel mounting seat is rotated, so that the movable wheel is completely arranged in the accommodating groove and is connected with the lower connecting hole through the screw rod, the stability of the device can be improved, and the device is convenient to use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the rubber mat of the present invention;

FIG. 3 is a schematic structural view of a fender panel of the present invention;

FIG. 4 is a schematic structural diagram of a fixing plate according to the present invention;

FIG. 5 is a side view of the wheel mount of the present invention;

FIG. 6 is a schematic view of the fixing structure of the present invention.

In the figure: 1. a base; 2. a gas chromatograph body; 3. accommodating grooves; 4. mounting blocks; 5. a first connecting member; 6. a connecting plate; 7. a second connecting member; 8. a movable wheel mounting base; 9. a moving wheel; 10. a fixing plate; 11. an upper connecting hole; 12. a lower connection hole; 13. a rubber pad; 14. a protection plate; 15. a through hole; 16. connecting columns; 17. a buffer hole; 18. a spring; 19. a rotating shaft; 20. a threaded pipe; 21. a screw rod; 22. a handwheel.

Detailed Description

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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-6, the present invention provides a technical solution: a gas chromatography device for analyzing trace sulfides in ambient air comprises a base 1, wherein the top of the base 1 is provided with a gas chromatograph body 2, and two sides of the gas chromatograph body 2 are provided with protection mechanisms; the bottom of the base 1 is provided with a containing groove 3, moving assemblies are symmetrically arranged in an inner cavity of the containing groove 3 and comprise an installation block 4, the installation block 4 is fixedly arranged at the top of the inner cavity of the containing groove 3, the bottom of the installation block 4 is fixedly connected with a first connecting piece 5, a connecting plate 6 is movably arranged on the first connecting piece 5, one side of the connecting plate 6, far away from the first connecting piece 5, is movably connected with a second connecting piece 7, the bottom of the second connecting piece 7 is fixedly connected with a moving wheel installation seat 8, and moving wheels 9 are symmetrically arranged at the bottom of the moving wheel installation seat 8; a fixed plate 10 is fixedly connected to one side, facing the side wall of the accommodating groove 3, of the movable wheel mounting seat 8, and an upper connecting hole 11 and a lower connecting hole 12 are formed in one side, away from the movable wheel mounting seat 8, of the fixed plate 10; and positioning mechanisms for fixing the fixing plate 10 are symmetrically arranged on two sides of the base 1.

Further, the protection mechanism comprises a rubber pad 13 and a protection plate 14; rubber pad 13 is laid on the lateral wall of gas chromatograph body 2, is rectangular array on the rubber pad 13 and is provided with through-hole 15, is equipped with spliced pole 16 in the through-hole 15, and the one end of spliced pole 16 and the lateral wall rigid coupling of gas chromatograph body 2, and the other end is connected with the spring 18 in the buffer hole 17 on the guard plate 14.

Further, the connecting column 16 is slidably connected with the buffer hole 17.

Furthermore, the connecting column 16 is movably connected with the through hole 15.

Furthermore, the upper side and the lower side of the connecting plate 6 are movably connected with the first connecting piece 5 and the second connecting piece 7 through rotating shafts 19.

Further, the upper connecting hole 11 and the lower connecting hole 12 are on the same vertical line and have the same specification.

Further, the positioning mechanism comprises a threaded pipe 20, the threaded pipe 20 is fixedly embedded on the outer side wall of the base 1, and the threaded pipe 20 is communicated with the accommodating groove 3; a screw rod 21 is spirally penetrated in the threaded pipe 20, and a hand wheel 22 is fixedly connected to the outer end of the screw rod 21.

Furthermore, the inner walls of the upper connecting hole 11 and the lower connecting hole 12 are respectively provided with an internal thread matched with the screw rod 21 in thread, and the screw rod 21 is arranged corresponding to the upper connecting hole 11 and the lower connecting hole 12.

The working principle is as follows: when the gas chromatography device is used, firstly, the lead screw 21 is driven to rotate through the hand wheel 22, so that the lead screw 21 is separated from the fixed plate 10, then, the movable wheel mounting seat 8 is rotated, the movable wheel 9 is arranged outside the accommodating groove 3, the lead screw 21 corresponds to the upper connecting hole 11, the lead screw 21 is driven to rotate through the hand wheel 22, the lead screw 21 is in threaded connection with the upper connecting hole 11, the fixed plate 10 can be fixed, the movable wheel mounting seat 8 can be further fixed, after the movable wheel mounting seat 8 is fixed, the device can be conveniently moved through the movable wheel 9, the operation is simple, and the problem that the traditional gas chromatography device is inconvenient to move in the carrying process is solved; the protection mechanisms are arranged on the two sides of the gas chromatograph body 2, when collision occurs, the protection plates 14 extrude the rubber pads 13 and the connecting columns 16 extrude the springs 18, and the rubber pads 13 and the springs 18 deform, so that the buffering and damping effects can be realized, the gas chromatograph body 2 has a good protection effect, and the gas chromatograph body 2 is prevented from being damaged due to collision in the moving process;

when detecting, need be with in the wheel 9 income holding tank 3 that removes to improve the stability of device, concrete operation is: drive lead screw 21 through hand wheel 22 and rotate for lead screw 21 and last connecting hole 11 separate, after the separation, rotate and remove wheel mount pad 8, make and remove wheel 9 and arrange in holding tank 3, and make lead screw 21 correspond with lower connecting hole 12, drive lead screw 21 through hand wheel 22 once more and rotate, make lead screw 21 and lower connecting hole 12 threaded connection, can accomodate removing wheel 9 in holding tank 3, and easy operation has improved the stability of device, convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The gas chromatographic device for analyzing the trace sulfide in the ambient air is characterized by comprising a base (1), wherein a gas chromatograph body (2) is arranged at the top of the base (1), and two sides of the gas chromatograph body (2) are respectively provided with a protection mechanism; the bottom of the base (1) is provided with a containing groove (3), moving assemblies are symmetrically arranged in an inner cavity of the containing groove (3), each moving assembly comprises an installation block (4), the installation blocks (4) are fixedly arranged at the top of the inner cavity of the containing groove (3), the bottom of each installation block (4) is fixedly connected with a first connecting piece (5), each first connecting piece (5) is movably provided with a connecting plate (6), one side, far away from the first connecting piece (5), of each connecting plate (6) is movably connected with a second connecting piece (7), the bottom of each second connecting piece (7) is fixedly connected with a moving wheel mounting seat (8), and moving wheels (9) are symmetrically arranged at the bottom of each moving wheel mounting seat (8); a fixed plate (10) is fixedly connected to one side, facing the side wall of the accommodating groove (3), of the movable wheel mounting seat (8), and an upper connecting hole (11) and a lower connecting hole (12) are formed in one side, away from the movable wheel mounting seat (8), of the fixed plate (10); and positioning mechanisms for fixing the fixing plate (10) are symmetrically arranged on two sides of the base (1).

2. A gas chromatography apparatus for analysis of trace amounts of sulphides in ambient air according to claim 1 characterized in that: the protection mechanism comprises a rubber pad (13) and a protection plate (14); rubber pad (13) are laid on the lateral wall of gas chromatograph body (2), are rectangular array on rubber pad (13) and are provided with through-hole (15), are equipped with spliced pole (16) in through-hole (15), and the one end and the gas chromatograph body (2) lateral wall rigid coupling of spliced pole (16), and the other end is connected with spring (18) in buffer hole (17) on guard plate (14).

3. A gas chromatography apparatus for analysis of trace sulphides in ambient air according to claim 2 characterised in that: the connecting column (16) is connected with the buffer hole (17) in a sliding mode.

4. A gas chromatography apparatus for analysis of trace sulphides in ambient air according to claim 2 characterised in that: the connecting column (16) is movably connected with the through hole (15).

5. A gas chromatography apparatus for analysis of trace amounts of sulphides in ambient air according to claim 1 characterized in that: the upper side and the lower side of the connecting plate (6) are movably connected with the first connecting piece (5) and the second connecting piece (7) through rotating shafts (19).

6. A gas chromatography apparatus for analysis of trace amounts of sulphides in ambient air according to claim 1 characterized in that: the upper connecting hole (11) and the lower connecting hole (12) are on the same vertical line and have the same specification.

7. A gas chromatography apparatus for analysis of trace amounts of sulphides in ambient air according to claim 1 characterized in that: the positioning mechanism comprises a threaded pipe (20), the threaded pipe (20) is fixedly embedded on the outer side wall of the base (1), and the threaded pipe (20) is communicated with the accommodating groove (3); a screw rod (21) penetrates through the inner spiral of the threaded pipe (20), and a hand wheel (22) is fixedly connected to the outer end of the screw rod (21).

8. A gas chromatography apparatus for analysis of trace amounts of sulphides in ambient air according to claim 7 characterised in that: the inner walls of the upper connecting hole (11) and the lower connecting hole (12) are provided with internal threads matched with the screw rod (21), and the screw rod (21) is correspondingly arranged with the upper connecting hole (11) and the lower connecting hole (12).