Dynamic gas distribution instrument

Abstract

The utility model discloses a dynamic gas distribution instrument which comprises a gas distribution instrument protective shell, when the dynamic gas distribution instrument is used, firstly, a gas distribution instrument protective shell handle is rotated upwards, and the gas distribution instrument protective shell handle can rotate upwards under the action of a gas distribution instrument protective shell handle rotating shaft; when the gas distribution instrument protection shell handle rotates to the position over the gas distribution instrument protection shell cover plate, the device stops rotating, then the device is moved to a proper place through the gas distribution instrument protection shell handle, then the gas distribution instrument protection shell is placed on a working table top, at the moment, the gas distribution instrument protection shell extrudes the connecting piece downwards, and then the gas distribution instrument protection shell is placed on the working table top. When the gas distribution instrument is placed, the connecting piece extrudes the damping spring downwards, so that the impulsive force borne by the gas distribution instrument main body in the placing process can be relieved, the gas distribution instrument main body can be well protected, then the gas distribution instrument protection shell handle is reset, then the center button is pressed, the center button extrudes the lower buckle rotating shaft backwards, and then the gas distribution instrument protection shell handle is fixed. The lower buckle rotating shaft will extrude the extrusion cross rod towards the rear side, and the extrusion cross rod will extrude the extrusion vertical rod towards the rear side.

Description

Technical Field

[0001] The utility model relates to the technical field of dynamic gas distribution instruments, in particular to a dynamic gas distribution instrument. Background Art

[0002] Gas dynamic gas distributor is a kind of instrument widely used in factories, scientific research, laboratories, metrology institutes, calibration institutions and other fields, with the characteristics of fast, accurate and reliable. The gas distribution technology of the dynamic gas distributor is an important guarantee to ensure uniform gas mixing and high detection accuracy. The representative work MR-DF2 uses imported high-precision mass flow controllers to control the flow of multiple gas outputs in different proportions, so as to dynamically realize the configuration of various gas concentrations. The instrument can be used to test various technical indicators such as linearity, accuracy, repeatability, etc. of gas analyzers. It is an indispensable test tool for the calibration, maintenance and repair of gas analysis instruments and a generator of fixed concentration gas. The gas distribution technology of the dynamic gas distributor diluter mainly includes two types: pressure ratio method and flow ratio method. The pressure ratio method uses two containers, one container is the target gas, and the other container is the dilution gas. The two containers are connected together, and the gas flow of each container is controlled by the pressure ratio of the two containers, so as to achieve gas distribution. The flow ratio method is to adjust the flow of the dilution gas and the sample gas respectively through two gas paths, so that the sample gas and the dilution gas are mixed evenly, so as to achieve gas dilution. However, some existing dynamic gas distribution devices are troublesome to fix, not simple enough, and cannot achieve the effect of quick pick-up and use. Therefore, those skilled in the art provide a dynamic gas distribution device to solve the problems raised in the above background technology. Summary of the invention

[0003] The purpose of the utility model is to provide a dynamic gas distribution device to solve the problems raised in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A dynamic gas distributor comprises a gas distributor protective shell; a gas distributor body is arranged in the middle of the interior of the gas distributor protective shell, and gas distributor body support columns are arranged at the four ends of the lower side of the gas distributor body, and a gas distributor body support column placement groove is arranged on the lower side of the gas distributor body support column; abutment plates are arranged on the front and rear sides of the interior middle of the gas distributor body support column placement groove, and a plurality of first telescopic springs are arranged at the upper and lower ends of the front side of the abutment plate, and a plurality of abutment plate slide grooves are arranged on the left and right sides of the abutment plate; an air outlet is arranged at the middle upper end of the left side of the gas distributor body, and a control panel is arranged inside the middle left end of the front side of the gas distributor body; a plurality of air inlets are arranged in the middle of the right side of the gas distributor body, and an air inlet control valve is arranged at the middle right end of the upper side of the air inlet; a gas distributor protective shell cover is arranged on the upper side of the gas distributor protective shell, and a front middle of the lower side of the gas distributor protective shell cover is arranged An upper buckle is provided at the end, and an upper buckle slot is provided on the outer side of the upper buckle; a center button is provided at the middle upper end of the front side of the gas distribution instrument protective shell, and an extrusion block is provided in the middle of the rear side of the center button; a lower buckle rotating shaft is provided at the rear side of the extrusion block, and a lower buckle is provided on the upper side of the lower buckle rotating shaft; an extrusion cross bar is provided in the middle of the rear side of the lower buckle rotating shaft, and an extrusion vertical rod is provided on the rear side of the extrusion cross bar; spring rods are provided at the upper and lower ends of the rear side of the extrusion vertical rod, and a second telescopic spring is provided on the outer side of the spring rod; gas distribution instrument protective shell handles are provided at the left and right ends of the upper side of the gas distribution instrument protective shell cover plate, and a gas distribution instrument protective shell handle rotating shaft is provided inside the middle lower end of the front surface of the gas distribution instrument protective shell handle; connecting pieces are provided at the four ends of the lower side of the gas distribution instrument protective shell, a spring tube is provided at the lower side of the connecting piece, and a shock-absorbing spring is provided in the middle of the inner part of the spring tube.

[0006] Preferably, the gas distribution instrument protective shell cover plate is provided with gas distribution instrument protective shell handles on the left and right ends of the upper side, and the gas distribution instrument protective shell handle rotating shaft is provided inside the lower middle end of the front surface of the gas distribution instrument protective shell handle; the four ends of the lower side of the gas distribution instrument protective shell are provided with connecting parts, the lower side of the connecting parts is provided with a spring tube, and a shock-absorbing spring is provided in the middle of the spring tube.

[0007] Compared with the prior art, the beneficial effect of the utility model is as follows: when in use, first rotate the handle of the gas distributor protective shell upward, the handle of the gas distributor protective shell will rotate upward under the action of the rotating shaft of the handle of the gas distributor protective shell, and stop rotating when the handle of the gas distributor protective shell is rotated to just above the cover plate of the gas distributor protective shell, and then move the device to a suitable place through the handle of the gas distributor protective shell, and then place the gas distributor protective shell on the workbench, at this time, the gas distributor protective shell will squeeze the connecting piece downward, and the connecting piece will squeeze the shock-absorbing spring downward, so as to reduce the impact force received by the main body of the gas distributor during the placement process, and then can play a good protective role on the main body of the gas distributor, and then the gas distributor protective shell handle is Reset the hand, and then press the center button, the center button will squeeze the lower buckle rotating shaft backward, the lower buckle rotating shaft will squeeze the extrusion cross bar backward, the extrusion cross bar will squeeze the extrusion vertical bar backward, the extrusion vertical bar will squeeze the second telescopic spring backward, and then the lower buckle will rotate forward under the action of the lower buckle rotating shaft until it is completely separated from the upper buckle, and then the cover of the gas distributor protective shell will automatically pop open, and then take out the gas distributor body from the inside of the gas distributor protective shell and place it horizontally on the workbench, then connect the gas distributor body to the power supply, and then turn the air inlet control valve. After the air inlet control valve is rotated to the appropriate position, put the gas to be mixed into the inside of the gas distributor body from the air inlet, and then Operate through the control panel. After the operation is completed, the mixed gas will leave the gas distributor body from the gas outlet, and then the mixed gas can be collected. When the operation is completed and the gas distributor body needs to be put back into the gas distributor protective shell, the gas distributor body support column can be aligned with the gas distributor body support column placement slot, and then the back plate inside the gas distributor body support column placement slot can be moved along the back plate slide slot to the side away from the gas distributor body support column, and then the gas distributor body support column can be inserted into the gas distributor body support column placement slot. At this time, the back plate will move to one side of the gas distributor body support column under the action of the first telescopic spring until the back plate completely backs against the gas distributor body support column The column completes the fixation of the gas distributor body in the protective shell of the gas distributor, so that the gas distributor body is more stable inside the protective shell of the gas distributor and is not easy to fall over; the device is provided with a shock-absorbing spring, which can reduce the impact force on the gas distributor body during the placement of the protective shell of the gas distributor, so as to protect the various accessories on the gas distributor body; the device is provided with a back plate, which can not only quickly fix the gas distributor body, but also facilitate the rapid removal of the gas distributor body, and the operation is simple, convenient and fast; the device is provided with an air inlet control valve, which can control the gas volume entering the gas distributor body, so as to achieve a precise mixing ratio of the mixed gas to improve the mixing effect of the gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 The figure is a structural schematic diagram of a dynamic gas distribution device.

[0009] Figure 2 The figure is a schematic diagram of the internal structure of a dynamic gas distribution instrument from the front view.

[0010] Figure 3 The figure is a schematic diagram of the internal structure of a dynamic gas distribution instrument.

[0011] Figure 4 The figure is a schematic diagram of the structure of a buckle in a dynamic gas distribution instrument.

[0012] Figure 5 This is a schematic diagram of the enlarged structure of point A in a dynamic gas distribution instrument.

[0013] Figure 6 The present invention is a structural schematic diagram of a gas distribution instrument main body in a dynamic gas distribution instrument.

[0014] In the figure: 1-gas distribution instrument protective shell, 2-gas distribution instrument protective shell handle, 3-gas distribution instrument protective shell handle rotating shaft, 4-gas distribution instrument body, 5-air inlet, 6-air inlet control valve, 7-air outlet, 8-control panel, 9-gas distribution instrument body support column, 10-receiver slide groove, 11-first telescopic spring, 12-receiver, 13-gas distribution instrument protective shell cover, 14-upper buckle, 15-extrusion block, 16-lower buckle, 17-lower buckle rotating shaft, 18-extrusion cross bar, 19-extrusion vertical bar, 20-spring bar, 21-second telescopic spring, 22-upper buckle slot, 23-spring tube, 24-connecting piece, 25-shock-absorbing spring, 26-center button, 27-gas distribution instrument body support column placement slot. DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, purpose and efficacy of the utility model easy to understand, the utility model is further described below in conjunction with the specific implementation methods. In the description of the utility model, it should be noted that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense, for example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two elements. For those skilled in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0016] See also Figures 1 to 6In the embodiment of the utility model, a dynamic gas distributor comprises a gas distributor protective shell 1; a gas distributor body 4 is arranged in the middle of the inner part of the gas distributor protective shell 1, and a gas distributor body support column 9 is arranged at the four ends of the lower side of the gas distributor body 4, and a gas distributor body support column placement groove 27 is arranged at the lower side of the gas distributor body support column 9; a back plate 12 is arranged at the front and rear sides of the inner middle of the gas distributor body support column placement groove 27, and a plurality of first telescopic springs 11 are arranged at the upper and lower ends of the front side of the back plate 12, and a plurality of back plate slide grooves 10 are arranged at the left and right sides of the back plate 12; an air outlet 7 is arranged at the middle upper end of the left side of the gas distributor body 4, and a control panel 8 is arranged inside the middle left end of the front side of the gas distributor body 4; a plurality of air inlets 5 are arranged in the middle of the right side of the gas distributor body 4, and an air inlet control valve 6 is arranged at the middle right end of the upper side of the air inlet 5; a gas distributor protective shell cover plate 13 is arranged on the upper side of the gas distributor protective shell 1, and an upper card is arranged at the front end of the lower middle side of the gas distributor protective shell cover plate 13 The gas distribution instrument protective shell 1 is provided with a central button 26 at the middle upper end of the front side, and an extrusion block 15 is provided in the middle of the rear side of the central button 26; the rear side of the extrusion block 15 is provided with a lower buckle rotating shaft 17, and the upper side of the lower buckle rotating shaft 17 is provided with a lower buckle 16; the rear middle of the lower buckle rotating shaft 17 is provided with an extrusion cross bar 18, and the rear side of the extrusion cross bar 18 is provided with an extrusion vertical bar 19; the upper and lower ends of the rear side of the extrusion vertical bar 19 are provided with spring rods 20, and the outer side of the spring rod 20 is provided with a second telescopic spring 21; the upper left and right ends of the upper side of the gas distribution instrument protective shell cover 13 are provided with a gas distribution instrument protective shell handle 2, and the gas distribution instrument protective shell handle rotating shaft 3 is provided inside the middle lower end of the front surface of the gas distribution instrument protective shell handle 2; the lower four ends of the gas distribution instrument protective shell 1 are provided with a connecting piece 24, and the lower side of the connecting piece 24 is provided with a spring tube 23, and the inner middle of the spring tube 23 is provided with a shock-absorbing spring 25.

[0017] The working principle of the utility model is as follows: when in use, first rotate the handle 2 of the gas distribution instrument protection shell upward, the handle 2 of the gas distribution instrument protection shell will rotate upward under the action of the rotating shaft 3 of the handle of the gas distribution instrument protection shell, and stop rotating when the handle 2 of the gas distribution instrument protection shell is rotated to the top of the cover plate 13 of the gas distribution instrument protection shell, and then move the device to a suitable place through the handle 2 of the gas distribution instrument protection shell, and then place the gas distribution instrument protection shell 1 on the workbench, at this time, the gas distribution instrument protection shell 1 will squeeze the connecting piece 24 downward, and the connecting piece 24 will squeeze the shock-absorbing spring 25 downward, so as to reduce the impact force received by the main body 4 of the gas distribution instrument during the placement process, and then play a good protective role on the main body 4 of the gas distribution instrument, and then place the gas distribution instrument on the workbench. The protective shell handle 2 is reset, and then the center button 26 is pressed, the center button 26 will squeeze the lower buckle rotating shaft 17 backward, the lower buckle rotating shaft 17 will squeeze the extrusion cross bar 18 backward, the extrusion cross bar 18 will squeeze the extrusion vertical bar 19 backward, the extrusion vertical bar 19 will squeeze the second telescopic spring 21 backward, and then the lower buckle 16 will rotate forward under the action of the lower buckle rotating shaft 17 until it is completely separated from the upper buckle 14, and then the gas distributor protective shell cover 13 will automatically pop open, and then the gas distributor body 4 is taken out from the inside of the gas distributor protective shell 1 and placed horizontally on the workbench, and then the gas distributor body 4 is powered on, and then the air inlet control valve 6 is turned, and the air inlet control valve 6 is turned to the appropriate After the operation is completed, the gas to be mixed is put into the interior of the gas distributor body 4 from the air inlet 5, and then the operation is performed through the control panel 8. After the operation is completed, the mixed gas will leave the gas distributor body 4 from the air outlet 7, and then the mixed gas can be collected. When the operation is completed and the gas distributor body 4 needs to be put back into the gas distributor protective shell 1, the gas distributor body support column 9 can be aligned with the gas distributor body support column placement groove 27, and then the abutment plate 12 inside the gas distributor body support column placement groove 27 is moved along the abutment plate slide groove 10 to the side away from the gas distributor body support column 9, and then the gas distributor body support column 9 is inserted into the gas distributor body support column placement groove 27. When the gas distribution device is in a state of being moved, the abutment plate 12 will move to one side of the gas distribution device main body support column 9 under the action of the first telescopic spring 11 until the abutment plate 12 completely abuts against the gas distribution device main body support column 9, at which time the gas distribution device main body 4 is fixed in the gas distribution device protective shell 1, so that the gas distribution device main body 4 can be more stable inside the gas distribution device protective shell 1 and is not easy to fall over; the device is provided with a shock-absorbing spring 25, which can reduce the impact force on the gas distribution device main body 4 during the placement of the gas distribution device protective shell 1, so as to protect the various accessories on the gas distribution device main body 4; the device is provided with a abutment plate 12, which can not only quickly fix the gas distribution device main body 4, but also facilitate the quick removal of the gas distribution device main body 4, and the operation is simple, convenient and fast;The device is provided with an air inlet control valve 6, which can control the gas volume entering the gas distribution instrument body 4, so as to achieve a precise mixing ratio of the mixed gas to improve the mixing effect of the gas. ;

[0018] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0019] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A dynamic gas distribution instrument, comprising a gas distribution instrument protective shell (1), a gas distribution instrument body (4) and a stop plate (12), characterized in that: A gas distribution instrument body (4) is arranged in the middle of the gas distribution instrument protection shell (1), and gas distribution instrument body support columns (9) are arranged at the four ends of the lower side of the gas distribution instrument body (4), and a gas distribution instrument body support column placement groove (27) is arranged at the lower side of the gas distribution instrument body support column (9); a stop plate (12) is arranged at the front and rear sides of the middle of the gas distribution instrument body support column placement groove (27), and a plurality of first telescopic springs (11) are arranged at the upper and lower ends of the front side of the stop plate (12), and a plurality of stop plate sliding grooves (10) are arranged at the left and right sides of the stop plate (12).

2. A dynamic gas distribution device according to claim 1, characterized in that: An air outlet (7) is provided at the middle upper end of the left side of the gas distribution instrument body (4), and a control panel (8) is provided inside the middle left end of the front side of the gas distribution instrument body (4); a plurality of air inlets (5) are provided at the middle of the right side of the gas distribution instrument body (4), and an air inlet control valve (6) is provided at the middle right end of the upper side of the air inlet (5).

3. A dynamic gas distribution device according to claim 1, characterized in that: A gas distribution instrument protection shell cover plate (13) is provided on the upper side of the gas distribution instrument protection shell (1), an upper buckle (14) is provided at the middle front end of the lower side of the gas distribution instrument protection shell cover plate (13), and an upper buckle slot (22) is provided on the outer side of the upper buckle (14).

4. A dynamic gas distribution device according to claim 1, characterized in that: A center button (26) is provided at the middle upper end of the front side of the gas distribution instrument protection shell (1), and an extrusion block (15) is provided in the middle of the rear side of the center button (26); a lower buckle rotating shaft (17) is provided at the rear side of the extrusion block (15), and a lower buckle (16) is provided on the upper side of the lower buckle rotating shaft (17).

5. A dynamic gas distribution device according to claim 4, characterized in that: An extrusion cross bar (18) is provided in the middle of the rear side of the lower buckle rotating shaft (17), and an extrusion vertical bar (19) is provided on the rear side of the extrusion cross bar (18).

6. A dynamic gas distribution device according to claim 5, characterized in that: The upper and lower ends of the rear side of the extrusion vertical rod (19) are provided with spring rods (20), and the outer side of the spring rod (20) is provided with a second telescopic spring (21).

7. A dynamic gas distribution device according to claim 3, characterized in that: The upper left and right ends of the gas distribution instrument protection shell cover plate (13) are provided with gas distribution instrument protection shell handles (2), and the gas distribution instrument protection shell handle rotating shaft (3) is provided inside the middle lower end of the front surface of the gas distribution instrument protection shell handle (2).

8. A dynamic gas distribution device according to claim 1, characterized in that: Connectors (24) are provided at the four lower ends of the gas distribution instrument protection shell (1), a spring tube (23) is provided at the lower side of the connector (24), and a shock absorbing spring (25) is provided in the middle of the spring tube (23).

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