CN212784114U

CN212784114U - Chromatographic valve box convenient to install

Info

Publication number: CN212784114U
Application number: CN202020789489.6U
Authority: CN
Inventors: 宋庆利; 于大江; 吴艳玲
Original assignee: Longfengshan Regional Atmospheric Background Station
Current assignee: Longfengshan Regional Atmospheric Background Station
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-03-23
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a chromatogram valve box convenient to installation, including the main tank body, the one end of main tank body is provided with the opening, and installs movable grillage on the opening, inside movable grillage extended to the main tank body, and the installation of fly leaf shelf has a limiting plate, spacing installation has the gas-supply pipe on the limiting plate, installs flow sensor on the gas-supply pipe, the one end and the movable grillage surface connection of gas-supply pipe, the other end of gas-supply pipe with keep away from the open-ended main tank body other end and be connected, install cable coupling mechanism on the limiting plate of gas-supply pipe one side, the cable coiler is installed on main tank body inner wall top, and cable coiler is connected with the cable coupling mechanism is detachable. The utility model discloses a be provided with a series of structures for this chromatographic valve case convenient to installation can realize using when six pipelines, is used for the gas flow monitoring of difference, when being convenient for install and dismantle, and the convenient cable to different sensors is handled and is integrated.

Description

Chromatographic valve box convenient to install

Technical Field

The utility model relates to a gas detection technical field specifically is a chromatogram valve box convenient to installation.

Background

The gas chromatograph is a chromatographic analysis instrument using gas as a mobile phase, and in the actual operation process, a plurality of pipelines need to be connected through a chromatographic valve box so as to facilitate the delivery of a plurality of gases and the simultaneous detection of a plurality of gases.

The influence of gas detection quantity is received, inside a plurality of flow sensor and the gas transmission pipeline of need using of whole chromatogram valve box, during actual installation, need many pipelines to install, the installation is comparatively loaded down with trivial details, especially when the sensor is installed, in order to integrate and transmit the signal of sensor, need use many delivery cables, many cables exist simultaneously inside the valve box, especially under the more condition of cable, extremely easy and parts contact such as sensor, cause the wiring disorder, especially in the in-process such as maintenance, under the condition that a great deal of cable exists, it obviously has great difficulty to distinguish single cable.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a chromatogram valve box convenient to installation to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a chromatogram valve box convenient to installation, includes the main tank body, the one end of main tank body is provided with the opening, and installs movable grillage on the opening, inside movable grillage extended to the main tank body, and the installation of fly leaf shelf has the limiting plate, spacing installation has the gas-supply pipe on the limiting plate, installs flow sensor on the gas-supply pipe, the one end and the movable grillage surface connection of gas-supply pipe, the other end and the other end of keeping away from open-ended main tank body of gas-supply pipe are connected, install cable coupling mechanism on the limiting plate of gas-supply pipe one side, the cable coiler is installed on main tank body inner wall top, and cable coiler and the detachable connection of cable coupling.

Preferably, the connecting piece is installed at the side surface edge of the movable plate frame and is connected with the main box body through a bolt.

Preferably, the bottom end of the movable plate frame is connected with the bottom end of the inner wall of the main box body through a limiting sliding groove.

Preferably, six gas pipes are installed on the limiting plate in a limiting mode.

Preferably, the air inlet pipe orifice is installed to the one end of gas-supply pipe, and the output pipe orifice is installed to the other end of gas-supply pipe, and the air inlet pipe orifice all is provided with the external screw thread with the orificial surface of output.

Preferably, the surfaces of the ends, far away from the movable plate frame, of the movable plate frame, the limiting plate and the main box body are all provided with guide holes, and the guide holes of the movable plate frame, the limiting plate and the main box body are arranged in the same circle center.

Preferably, the cable connecting mechanism comprises a line concentration inserting plate and a main line inserting hole, the line concentration inserting plate is arranged on the limiting plate between the guiding holes, the main line inserting hole is arranged in the middle of the surface of the line concentration inserting plate, and six inserting holes are uniformly distributed in the surface of the line concentration inserting plate outside the main line inserting hole.

Preferably, the main line socket is connected with the cable retractor through a communication main line, an output port is mounted at the top end of the cable retractor, and the output port extends to the surface of the top end of the main box body.

Preferably, the outer nut is installed on the surface of the air inlet pipe orifice and the surface of the output pipe orifice, and the inner nut is installed on the air conveying pipe on one side of the limiting plate.

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

1. this chromatogram valve box convenient to installation, through movable grillage, the main part is similar to the drawer, can rely on spacing spout and the slider part on it, make the relative main tank body of movable grillage move, and draw out the back at movable grillage from the main tank body, conveniently install six different gas-supply pipes respectively on movable grillage, use six different gas-supply pipes, can be in the chromatogram detects, monitor carbon dioxide respectively and survey the flow, carbon monoxide surveys the flow, advance the appearance and survey the flow, the backup flow of nitrogen dioxide, the backup flow of carbon monoxide, advance the appearance and backup the flow, and pass through the connection piece, can fix movable grillage on the main tank body with the help of the installation component of bolt screw, and form sealed effect, do benefit to going on of actual dismantlement operation.

2. This chromatogram valve box convenient to installation through the limiting plate, when can carrying out spacing installation to the gas-supply pipe, does benefit to and carries out fixed mounting to parts such as line concentration picture peg, can support simultaneously six gas-supply pipes to through the guiding hole, the guiding hole on activity grillage, limiting plate and the main tank body, when six guiding holes are concentric promptly, can carry out spacing assembly to the gas-supply pipe at the in-process of gas-supply pipe installation, and realize the support effect to whole gas-supply pipe.

3. This chromatogram valve box convenient to installation, through outer nut, use with interior nut combines, can produce the spacing installation effect to the gas-supply pipe, when outer nut is installed the air inlet pipe mouth, interior nut is installed on the gas-supply pipe of air inlet pipe mouth one side, make the activity grillage spacing between outer nut and interior nut, realize from this that the spacing effect of gas-supply pipe installation on the activity grillage, install outer nut on the output mouth of pipe, can make the gas-supply pipe spacing install on the main tank body, realize the fixed mounting effect at gas-supply pipe both ends from this.

4. This chromatogram valve box convenient to installation, through the line concentration picture peg, and use with six jacks in a combining manner, can regard as the circuit picture peg, be connected with six flow sensor's on six gas-supply pipes output cable, and with the signal of telecommunication integration of cable, through thread socket and even communication thread, carry six different signals that flow sensor detected simultaneously for external equipment and use, through the cable coiler, can carry out the roll-up to the communication thread with the help of elasticity, can loosen the communication thread when the relative master case body of activity grillage is opened, and after activity grillage gets into the master case body, roll-up the communication thread, avoid communication thread overlength to influence the motion of activity grillage.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is the utility model discloses a limiting plate planar structure schematic diagram.

In the figure: 1. a movable plate frame; 2. an air inlet pipe orifice; 3. connecting sheets; 4. an output port; 5. an output nozzle; 6. an outer nut; 7. a main box body; 8. a gas delivery pipe; 9. an inner nut; 10. a flow sensor; 11. a cable retractor; 12. a communication main line; 13. a limiting plate; 14. a limiting chute; 15. a guide hole; 16. a main line socket; 17. a line concentration plug board; 18. and (4) inserting the jack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the chromatographic valve box convenient to mount in this embodiment includes a main box body 7, an opening is disposed at one end of the main box body 7, a movable plate frame 1 is mounted on the opening, the movable plate frame 1 is L-shaped as a whole, the opening serves as a passage, the movable plate frame 1 can conveniently enter the main box body 7 through the opening, the movable plate frame 1 extends into the main box body 7, a limiting plate 13 is mounted on the movable plate frame 1, the limiting plate 13 is vertically mounted to support and mount components, an air pipe 8 is mounted on the limiting plate 13 in a limiting manner, the air pipe 8 extends transversely and can be used for conveying air during chromatographic detection, a flow sensor 10 is mounted on the air pipe 8, the flow sensor 10 is formed by combining a switch valve and a sensor, and during actual use, the flow rate of air flowing inside the air pipe 8 can be detected, and a flow rate signal can be transmitted out through a wire, one end and the activity grillage 1 outer surface connection of gas-supply pipe 8, the other end of gas-supply pipe 8 with keep away from open-ended main tank 7 other end and be connected, install cable coupling mechanism on the limiting plate 13 of gas-supply pipe 8 one side, when there are a plurality of gas-supply pipes 8, when there are a plurality of flow sensor 10 promptly, can integrate the signal that a plurality of flow sensor 10 produced, and transmit the instrument for the outside from single wire, cable coiler 11 is installed on 7 inner wall tops of main tank, carry out the roll-up to single wire, and cable coiler 11 is connected with the cable coupling mechanism is detachable, the going on of operations such as convenient to detach and maintenance.

Specifically, connection piece 3 is installed to the side surface edge of activity grillage 1, for general sheetmetal, installs the screw on it, and connection piece 3 is connected with the main tank body 7 through the bolt, can fix activity grillage 1 on the main tank body 7 with the help of the installation component of bolt screw to form sealed effect, do benefit to going on of actual dismantlement operation.

Further, the bottom of activity grillage 1 is passed through the slider with the inner wall bottom of main tank 7 and is connected with spacing spout 14, and when connection piece 3 was not installed the bolt, activity grillage 1 can follow spacing spout 14's guide effect and carry out the sliding motion for the relative main tank 7 of activity grillage 1 moves, is convenient for open the going on of operation etc..

Furthermore, six gas pipes 8 are installed on the limiting plate 13 in a limiting manner, the six gas pipes 8 are uniformly distributed on the limiting plate 13, the flow sensors 10 on the six gas pipes are staggered, and the six gas pipes 8 can respectively convey different gases for chromatographic detection, such as carbon dioxide observation flow, carbon monoxide observation flow, sample injection observation flow, nitrogen dioxide backup flow, carbon monoxide backup flow and sample injection backup flow.

Further, the air inlet pipe orifice 2 is installed to the one end of gas-supply pipe 8, and air inlet pipe orifice 2 is close to the vertically plate body of activity grillage 1, and output pipe orifice 5 is installed to the other end of gas-supply pipe 8, and output pipe orifice 5 is close to the non-open-ended surface of main tank 7 for the gaseous discharge port of gas-supply pipe 8 uses, and air inlet pipe orifice 2 and output pipe orifice 5's surface all is provided with the external screw thread, realizes threaded connection with external component.

Furthermore, the surface of one end of the movable plate frame 1, the surface of one end of the limiting plate frame 13, the surface of one end of the main box body 7, which is far away from the movable plate frame 1, and the surfaces of the ends of the movable plate frame 1, the limiting plate 13, and the surface of the one end of the main box body 7, are all provided with guide holes 15, the guide holes 15 of the movable plate frame 1, the limiting plate 13, and the guide holes 15 of the main box body 7 are all arranged concentrically, the inner diameter of each guide hole 15 is slightly larger than the outer diameter of each gas pipe 8, when the movable plate frame is actually used, different parts.

Further, the cable connection mechanism includes a line concentration plug board 17 and a main line plug socket 16, the line concentration plug board 17 is installed on the limiting plate 13 between the guide holes 15 and actually located between the six guide holes 15, the main line plug socket 16 is installed at the middle position of the surface of the line concentration plug board 17, six plug sockets 18 are evenly distributed on the surface of the line concentration plug board 17 outside the main line plug socket 16, a processing circuit is stored in the actual line concentration plug board 17, the plug sockets 18 serve as input ends of electrical signals and connection ends with external cables, the electrical signals received by the six plug sockets 18 can be respectively transmitted through a single wire, and the plug socket 16 serves as an integrated plug socket of the six wires to transmit the electrical signals out and is connected in series.

Further, the main line socket 16 is connected with the cable retractor 11 through the communication main line 12, the communication main line 12 can be used by an RS232 type communication cable, and receives an electrical signal led out from the main line socket 16, the top end of the cable retractor 11 is provided with the output port 4, the output port 4 extends to the top end surface of the main box 7, the output port 4 actually needs to be connected with an external chromatograph through a wire and connected with an external flow display instrument, and the electrical signals detected by the six flow sensors 10 are displayed.

Furthermore, outer nut 6 is all installed on the surface of inlet pipe mouth 2 and output pipe mouth 5, and install interior nut 9 on the gas-supply pipe 8 of limiting plate 13 one side, outer nut 6 and interior nut 9 can produce the spacing installation effect to gas-supply pipe 8, when outer nut 6 is installed to inlet pipe mouth 2, interior nut 9 is installed on the gas-supply pipe 8 of inlet pipe mouth 2 one side, make activity grillage 1 spacing between outer nut 6 and interior nut 9, realize from this that the spacing effect of gas-supply pipe 8 installation on activity grillage 1, install outer nut 6 on output pipe mouth 5, can make the spacing installation on main tank 7 of gas-supply pipe 8, from this realize the fixed mounting effect at gas-supply pipe 8 both ends.

The using method of the embodiment comprises the following steps: in the assembling process, the movable plate frame 1 can be pulled out from the main box body 7, according to actual requirements, when six detection data are needed for gas chromatography detection, six gas transmission pipes 8 are used for respectively monitoring carbon dioxide observation flow, carbon monoxide observation flow, sample injection observation flow, nitrogen dioxide backup flow, carbon monoxide backup flow and sample injection backup flow, one ends of different gas transmission pipes 8 can be respectively led out through a guide hole 15 of a limiting plate 13 and a guide hole 15 of the main box body 7, so that an output pipe orifice 5 is positioned outside the main box body 7, an inner nut 9 is arranged on a thread on the inner side of a gas inlet pipe orifice 2, the section of the gas inlet pipe orifice 2 of the gas transmission pipe 8 is led out from the guide hole 15 on the movable plate frame 1, then a communication main line 12 is pulled out from a cable retractor 11, the communication main line 12 is inserted into a gas transmission pipe insertion opening 16, then leads of different flow sensors 10 on the six gas transmission pipes 8 are inserted into an, and then realize that the communication mainline 12 connects with the circuit series of six flow sensors 10 respectively, at this moment, the outer nut 6 of surface mounting of the air inlet pipe orifice 2 outside the movable grillage 1, the outer nut 6 constantly pushes up the external surface of the movable grillage 1, at this moment, the inner nut 9 is rotated, make the inner nut 9 and outer nut 6 push up the surface of the movable grillage 1 at the same time, the gas-supply pipe 8 from this is fixed on the movable grillage 1, after the movable grillage 1 enters the host cabinet 7 integrally, install the connection piece 3 on the host cabinet 7 with the help of the bolt, install other outer nuts 6 on six output pipe orifices 5 respectively afterwards, install the whole chromatographic valve box on the chromatograph, and after connecting six gas-supply pipes 8 with the external pipeline, provide the electric energy and collect the electric signal for flow sensor 10 through output port 4 by the chromatographic instrument.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a chromatogram valve box convenient to installation, includes main tank body (7), its characterized in that: the one end of the main box body (7) is provided with the opening, and installs movable grillage (1) on the opening, movable grillage (1) extends to inside the main box body (7), and installs limiting plate (13) on the movable grillage (1), spacing installs gas-supply pipe (8) on limiting plate (13), installs flow sensor (10) on gas-supply pipe (8), the one end and the movable grillage (1) surface connection of gas-supply pipe (8), the other end and the other end of keeping away from open-ended main box body (7) of gas-supply pipe (8) are connected, install cable coupling mechanism on limiting plate (13) of gas-supply pipe (8) one side, cable coiler (11) are installed on main box body (7) inner wall top, and cable coiler (11) and the detachable connection of cable coupling mechanism.

2. A chromatography valve box for ease of installation according to claim 1, wherein: connecting pieces (3) are installed at the edge of the side surface of the movable plate frame (1), and the connecting pieces (3) are connected with the main box body (7) through bolts.

3. A chromatography valve box for ease of installation according to claim 1, wherein: the bottom end of the movable plate frame (1) is connected with the bottom end of the inner wall of the main box body (7) through a limiting sliding groove (14).

4. A chromatography valve box for ease of installation according to claim 1, wherein: six gas transmission pipes (8) are arranged on the limiting plate (13) in a limiting mode.

5. A chromatography valve box for ease of installation according to claim 1, wherein: air inlet pipe mouth (2) are installed to the one end of gas-supply pipe (8), and output pipe mouth (5) are installed to the other end of gas-supply pipe (8), and the surface of air inlet pipe mouth (2) and output pipe mouth (5) all is provided with the external screw thread.

6. A chromatography valve box for ease of installation according to claim 1, wherein: the movable plate frame (1), the limiting plate (13) and the main box body (7) are all provided with guide holes (15) in the surfaces of the ends, far away from the movable plate frame (1), of the main box body (7), and the guide holes (15) of the movable plate frame (1), the limiting plate (13) and the main box body (7) are arranged in the same circle center.

7. An easily installable chromatography valve cartridge according to claim 6 wherein: the cable connecting mechanism comprises a line concentration inserting plate (17) and a main line inserting hole (16), the line concentration inserting plate (17) is arranged on a limiting plate (13) between guide holes (15), the main line inserting hole (16) is arranged in the middle of the surface of the line concentration inserting plate (17), and six inserting holes (18) are uniformly distributed in the surface of the line concentration inserting plate (17) on the outer side of the main line inserting hole (16).

8. An easily installable chromatography valve cartridge according to claim 7 wherein: the main line socket (16) is connected with the cable retractor (11) through the communication main line (12), the top end of the cable retractor (11) is provided with an output port (4), and the output port (4) extends to the top end surface of the main box body (7).

9. An easily installable chromatography valve cartridge according to claim 5 wherein: outer nut (6) are all installed on the surface of air inlet pipe mouth (2) and output pipe mouth (5), and install interior nut (9) on air-supply pipe (8) of limiting plate (13) one side.