Rotatable gas sampling device

Abstract

The utility model provides a rotatable gas sampling device which comprises a lower case, a steering assembly is arranged at the top end of the lower case, a four-position case is rotatably connected in the steering assembly, and a six-way valve is fixedly connected in the four-position case. Compared with the prior art, the mounting plate has the following beneficial effects that the mounting plate is placed at the joint between the sixteen-bit case and the four-bit case or the joint between the sixteen-bit cases, and the sixteen-bit case can be fixed at the top end of the four-bit case or the sixteen-bit case by matching with the mounting bolts and the mounting holes; therefore, the number of the gas circuit connectors can be increased according to actual requirements, the gas bags are inserted into the gas circuit connectors, the four-position case is rotated in the process to drive the sixteen-position case to rotate synchronously, and the four-position case and the sixteen-position case which are trapezoidal are matched, so that the gas sampling space can be increased to the greatest extent, and the space occupied by the device can be reduced to the greatest extent; and the positions of the four-position case and the sixteen-position case can be limited by matching a limiting bolt, a limiting plate and a limiting hole.

Description

Technical Field

[0001] The utility model relates to a rotatable gas sampling device, belonging to the field of gas experiments. Background Technique

[0002] Sampling refers to quantitatively adding the gas to be measured into a sample bottle or a chromatographic column, which is a key step in gas experiments, such as chromatographic analysis experiments.

[0003] In the prior art, when conducting gas experiments, since a large number of samples need to be sampled, some gas sampling devices are bodies with several gas path connectors fixedly connected to the surface. During use, an air bag needs to be connected to the gas path connector, and the gas is transported to the designated position through the body. The gas path connectors of such devices are fixed, which is not convenient for adding gas path connectors, and in order to ensure the space for gas sampling positions, the space occupied by them is relatively large. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a rotatable gas sampling device to solve the problems that some gas sampling devices in the above background technology have fixed gas path connectors, are not convenient for adding gas path connectors, and occupy a relatively large space in order to ensure the space for gas sampling positions.

[0005] To achieve the above purpose, the utility model is realized through the following technical solutions: A rotatable gas sampling device includes a lower chassis. A steering component is arranged at the top of the lower chassis. A four-position chassis is rotatably connected inside the steering component. A six-way valve is fixedly connected inside the four-position chassis. A sixteen-position chassis is movably connected to the top of the four-position chassis. A sixteen-way valve is fixedly connected inside the sixteen-position chassis. An installation component is arranged on the sides of the four-position chassis and the sixteen-position chassis. A number of gas path connectors are fixedly connected to the sides of the four-position chassis and the sixteen-position chassis. A display screen is fixedly connected to the front of the lower chassis. A switch is fixedly connected to the front of the lower chassis on one side of the display screen. An air inlet is opened at the top of the lower chassis below the steering component. A number of gas outlets are opened on the back of the lower chassis. The air inlet and the gas outlets are connected through a pipeline. A flow control component is arranged outside the gas outlets on the back of the lower chassis.

[0006] Further, the steering component includes a bearing fixedly connected to the middle of the top of the lower chassis. A number of limit holes are opened around the bearing at the top of the lower chassis. A limit plate is fixedly connected to the back of the four-position chassis. A limit bolt is threadedly connected inside the limit plate.

[0007] Further, the mounting assembly includes a mounting plate movably connected to the sides of the four-position chassis and the sixteen-position chassis. Mounting holes are provided on the surfaces of the four-position chassis, the sixteen-position chassis, and the mounting plate, and mounting bolts are threadedly connected in the mounting holes.

[0008] Further, the flow control assembly includes an adjustment motor fixedly connected to the inner wall of the lower chassis, and one end of the adjustment motor extends out of the lower chassis and is fixedly connected to an adjustment plate.

[0009] Further, syringe troughs are movably connected to the sides of the four-position chassis below the gas path connector and to the sides of the sixteen-position chassis below the gas path connector. The syringe troughs are fixed to the four-position chassis and the sixteen-position chassis respectively by bolts.

[0010] Further, heating plates are fixedly connected to the inner walls of the four-position chassis and the sixteen-position chassis, and temperature sensors are fixedly connected to the inner walls of the four-position chassis and the sixteen-position chassis on one side of the heating plates.

[0011] Further, an anti-slip pad is fixedly connected to the bottom end of the lower chassis, and anti-slip lines are fixedly connected to the bottom end of the anti-slip pad.

[0012] Advantages of the present utility model: Place the mounting plate at the connection between the sixteen-position chassis and the four-position chassis or at the connection between the sixteen-position chassis and the sixteen-position chassis, and cooperate with the mounting bolts and mounting holes to fix the sixteen-position chassis on the top of the four-position chassis or the sixteen-position chassis, so that the number of gas path connectors can be increased according to actual needs;

[0013] Insert the air bag into the gas path connector. During this process, rotate the four-position chassis so that it drives the sixteen-position chassis to rotate synchronously. Cooperating with the trapezoidal four-position chassis and sixteen-position chassis can maximize the space for gas sampling and reduce the space occupied by the device. The positions of the four-position chassis and the sixteen-position chassis can be limited by cooperating with the limit bolts, limit plates, and limit holes;

[0014] Start the device through the switch, and then start the adjustment motor through the display screen to drive the adjustment plate to rotate, thereby blocking the gas outlet, so that the gas flow can be controlled according to actual needs. The gas entering the device will flow to the designated position through the six-way valve, sixteen-way valve, air inlet, pipeline, and gas outlet in sequence, and then the experiment can be carried out. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects, and advantages of the present utility model will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0016] Figure 1Schematic diagram of the front view structure of a rotatable gas sampling device of the present utility model;

[0017] Figure 2 Schematic diagram of the rear view structure of a rotatable gas sampling device of the present utility model;

[0018] Figure 3 Schematic diagram of the sectional view structure of a rotatable gas sampling device of the present utility model;

[0019] Figure 4 Schematic diagram of the structure of the flow control component of a rotatable gas sampling device of the present utility model.

[0020] In the figure: 1. Lower chassis; 2. Steering component; 21. Bearing; 22. Limit hole; 23. Limit plate; 24. Limit bolt; 3. Four-position chassis; 4. Sixteen-position chassis; 5. Mounting component; 51. Mounting plate; 52. Mounting hole; 53. Mounting bolt; 6. Gas path connector; 7. Display screen; 8. Switch; 9. Flow control component; 91. Adjusting motor; 92. Adjusting plate; 10. Syringe support groove; 11. Heating plate; 12. Temperature sensor; 13. Anti-slip pad. Detailed implementation manners

[0021] In order to make the technical means, creative features, achieved purposes and functions of the present utility model easy to understand, the present utility model will be further described below in conjunction with the detailed implementation manners.

[0022] Please refer to Figure 1 , Figure 2 and Figure 4 , the present utility model provides a technical solution: a rotatable gas sampling device, including a lower chassis 1, a steering component 2 is arranged at the top of the lower chassis 1, a four-position chassis 3 is rotatably connected inside the steering component 2, a six-way valve is fixedly connected inside the four-position chassis 3, a sixteen-position chassis 4 is movably connected to the top of the four-position chassis 3, a sixteen-way valve is fixedly connected inside the sixteen-position chassis 4, a mounting component 5 is arranged on the side of the four-position chassis 3 and the sixteen-position chassis 4, a plurality of gas path connectors 6 are fixedly connected to the sides of the four-position chassis 3 and the sixteen-position chassis 4, a display screen 7 is fixedly connected to the front of the lower chassis 1, a switch 8 is fixedly connected to the front of the lower chassis 1 on one side of the display screen 7, an air inlet is opened at the top of the lower chassis 1 below the steering component 2, a plurality of gas outlets are opened on the back of the lower chassis 1, the air inlet and the gas outlets are connected by a pipeline, and a flow control component 9 is arranged on the outside of the gas outlets on the back of the lower chassis 1.

[0023] Place the mounting plate 51 at the connection between the sixteen-bit chassis 4 and the four-bit chassis 3 or at the connection between two sixteen-bit chassis 4. With the cooperation of the mounting bolts 53 and the mounting holes 52, the sixteen-bit chassis 4 can be fixed on the top of the four-bit chassis 3 or the sixteen-bit chassis 4, so that the number of gas path connectors 6 can be increased according to actual needs.

[0024] Insert the air bag into the gas path connector 6. During this process, rotate the four-bit chassis 3 so that it drives the sixteen-bit chassis 4 to rotate synchronously. With the trapezoidal four-bit chassis 3 and sixteen-bit chassis 4, the space for gas sampling can be maximally increased. With the cooperation of the limit bolts 24, the limit plate 23 and the limit holes 22, the positions of the four-bit chassis 3 and the sixteen-bit chassis 4 can be limited.

[0025] Start the device through the switch 8, and then start the adjustment motor 91 through the display screen 7 so that it drives the adjustment plate 92 to rotate to block the gas outlet, so that the gas flow rate can be controlled according to actual needs. The gas entering the device will flow through the six-way valve, the sixteen-way valve, the air inlet, the pipeline and the gas outlet to the designated position in sequence, and then the experiment can be carried out.

[0026] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the steering assembly 2 includes a bearing 21 fixedly connected to the middle of the top of the lower chassis 1. A number of limit holes 22 are opened around the bearing 21 on the top of the lower chassis 1. A limit plate 23 is fixedly connected to the back of the four-bit chassis 3, and a limit bolt 24 is threadedly connected inside the limit plate 23. Insert the air bag into the gas path connector 6. During this process, rotate the four-bit chassis 3 so that it drives the sixteen-bit chassis 4 to rotate synchronously. With the trapezoidal four-bit chassis 3 and sixteen-bit chassis 4, the space for gas sampling can be maximally increased and the space occupied by the device can be reduced. After all the air bags are installed, rotate the limit bolt 24 so that it moves along the limit plate 23 towards the limit hole 22 until it is inserted into the limit hole 22 to limit the positions of the four-bit chassis 3 and the sixteen-bit chassis 4.

[0027] The mounting assembly 5 includes a mounting plate 51 movably connected to the sides of the four-bit chassis 3 and the sixteen-bit chassis 4. Mounting holes 52 are opened on the surfaces of the four-bit chassis 3, the sixteen-bit chassis 4 and the mounting plate 51, and mounting bolts 53 are threadedly connected in the mounting holes 52. Place the sixteen-bit chassis 4 on the top of the four-bit chassis 3 or the sixteen-bit chassis 4, then place the mounting plate 51 at the connection between the sixteen-bit chassis 4 and the four-bit chassis 3 or at the connection between two sixteen-bit chassis 4, and then screw the mounting bolts 53 in the mounting plate 51 into the mounting holes 52 opened on the surfaces of the four-bit chassis 3 and the sixteen-bit chassis 4, so that the sixteen-bit chassis 4 can be fixed on the top of the four-bit chassis 3 or the sixteen-bit chassis 4, so that the number of gas path connectors 6 can be increased according to actual needs, which is beneficial to improving the efficiency of gas sampling.

[0028] The flow control component 9 includes an adjusting motor 91 fixedly connected to the inner wall of the lower chassis 1, and one end of the adjusting motor 91 extends out of the lower chassis 1 and is fixedly connected with an adjusting plate 92. The device is started through the switch 8, and then the adjusting motor 91 is started through the display screen 7 to drive the adjusting plate 92 to rotate, thereby blocking the gas outlet, so that the gas delivery flow can be controlled according to actual needs.

[0029] Syringe brackets 10 are movably connected to the sides of the four-position chassis 3 below the gas path connector 6 and to the sides of the sixteen-position chassis 4 below the gas path connector 6. The syringe brackets 10 are fixed to the four-position chassis 3 and the sixteen-position chassis 4 by bolts respectively. By setting the syringe brackets 10, syringes can be placed for gas sampling. The syringe brackets 10 are fixed to the four-position chassis 3 and the sixteen-position chassis 4 by bolts respectively, which is convenient for disassembling and assembling the syringe brackets 10.

[0030] Heating plates 11 are fixedly connected to the inner walls of the four-position chassis 3 and the sixteen-position chassis 4, and temperature sensors 12 are fixedly connected to the inner walls of the four-position chassis 3 and the sixteen-position chassis 4 on one side of the heating plates 11. The heating plates 11 can heat up the six-way valve inside the four-position chassis 3 and the sixteen-way valve inside the sixteen-position chassis 4 through the program in the display screen 7. During this process, the temperature sensors 12 will monitor the temperatures of the six-way valve and the sixteen-way valve in real time. When the temperatures of the two reach the preset temperature, the temperature sensors 12 will transmit signals to the controller inside the lower chassis 1, and at this time the controller will turn off the heating plates 11, so that the gas temperature can be controlled according to the specific requirements of the experiment.

[0031] The bottom end of the lower chassis 1 is fixedly connected with an anti-slip pad 13, and the bottom end of the anti-slip pad 13 is fixedly connected with anti-slip lines. By setting the anti-slip pad 13, the friction between the device and the placement surface can be increased, thereby improving the stability of the device during use.

[0032] Specific implementation method: Place the sixteen-position chassis 4 on the top of the four-position chassis 3 or the sixteen-position chassis 4, then place the mounting plate 51 at the connection between the sixteen-position chassis 4 and the four-position chassis 3 or at the connection between the sixteen-position chassis 4 and the sixteen-position chassis 4, and then screw the mounting bolts 53 in the mounting plate 51 into the mounting holes 52 opened on the surfaces of the four-position chassis 3 and the sixteen-position chassis 4, so as to fix the sixteen-position chassis 4 on the top of the four-position chassis 3 or the sixteen-position chassis 4, thereby being able to increase the number of gas path connectors 6 according to actual needs, which is beneficial to improving the efficiency of gas sampling;

[0033] Insert the airbag into the air path connector 6. During this process, rotate the four-position chassis 3 so that it drives the sixteen-position chassis 4 to rotate synchronously. The trapezoidal four-position chassis 3 and sixteen-position chassis 4 can maximize the space for gas sampling and reduce the space occupied by the device. After the airbag is fully installed, rotate the limit bolt 24 so that it moves along the limit plate 23 towards the limit hole 22 until it is inserted into the limit hole 22 to limit the positions of the four-position chassis 3 and sixteen-position chassis 4.

[0034] Start the device through the switch 8, and then start the adjustment motor 91 through the display screen 7 so that it drives the adjustment plate 92 to rotate to block the gas outlet, thereby being able to control the gas delivery flow according to actual needs. The gas entering the device will flow through the six-way valve, sixteen-way valve, air inlet, pipeline, and gas outlet to the designated position in sequence, and then the experiment can be carried out.

[0035] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A rotatable gas sampling device, characterized in that: It includes a lower chassis (1), a steering component (2) is arranged at the top of the lower chassis (1), a four-position chassis (3) is rotatably connected inside the steering component (2), a six-way valve is fixedly connected inside the four-position chassis (3), a sixteen-position chassis (4) is movably connected to the top of the four-position chassis (3), a sixteen-way valve is fixedly connected inside the sixteen-position chassis (4), an installation component (5) is arranged on the sides of the four-position chassis (3) and the sixteen-position chassis (4), a number of gas path connectors (6) are fixedly connected to the sides of the four-position chassis (3) and the sixteen-position chassis (4), a display screen (7) is fixedly connected to the front of the lower chassis (1), a switch (8) is fixedly connected to the front of the lower chassis (1) on one side of the display screen (7), an air inlet is opened at the top of the lower chassis (1) below the steering component (2), a number of gas outlets are opened at the back of the lower chassis (1), the air inlet and the gas outlets are connected by a pipeline, and a flow control component (9) is arranged outside the gas outlets at the back of the lower chassis (1).

2. The rotatable gas sampling device according to claim 1, wherein: The steering component (2) includes a bearing (21) fixedly connected to the middle of the top of the lower chassis (1), a number of limit holes (22) are opened around the bearing (21) at the top of the lower chassis (1), a limit plate (23) is fixedly connected to the back of the four-position chassis (3), and a limit bolt (24) is threadedly connected inside the limit plate (23).

3. The rotatable gas sampling device according to claim 1, characterized in that: The installation component (5) includes an installation plate (51) movably connected to the sides of the four-position chassis (3) and the sixteen-position chassis (4), installation holes (52) are opened on the surfaces of the four-position chassis (3), the sixteen-position chassis (4) and the installation plate (51), and installation bolts (53) are threadedly connected inside the installation holes (52).

4. The rotatable gas sampling device according to claim 1, characterized in that: The flow control component (9) includes an adjustment motor (91) fixedly connected to the inner wall of the lower chassis (1), and one end of the adjustment motor (91) extends out of the lower chassis (1) and is fixedly connected to an adjustment plate (92).

5. The rotatable gas sampling device according to claim 1, characterized in that: Syringe trays (10) are movably connected to the sides of the four-position chassis (3) below the gas path connectors (6) and to the sides of the sixteen-position chassis (4) below the gas path connectors (6), and the syringe trays (10) are fixed to the four-position chassis (3) and the sixteen-position chassis (4) by bolts respectively.

6. The rotatable gas sampling device according to claim 1, characterized in that: Heating plates (11) are fixedly connected to the inner walls of the four-position chassis (3) and the sixteen-position chassis (4), and temperature sensors (12) are fixedly connected to the inner walls of the four-position chassis (3) and the sixteen-position chassis (4) on one side of the heating plates (11).

7. The rotatable gas sampling device according to claim 1, characterized in that: Anti-slip pads (13) are fixedly connected to the bottom of the lower chassis (1), and anti-slip patterns are fixedly connected to the bottoms of the anti-slip pads (13).

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