Natural gas sampling device

Abstract

The utility model discloses a natural gas sampling device, which belongs to the field of sampling devices, and comprises a natural gas sampling steel cylinder, an arranged connecting mechanism is matched with the natural gas sampling steel cylinder for use, and two ends of a C-shaped handle are respectively inserted into positioning grooves formed in symmetrical connecting seats on the top surface of the natural gas sampling steel cylinder; a rotary knob is rotated to drive a screw rod to rotate through a rotating rod, so that a connecting block drives a movable plate along the screw rod through a threaded hole, and the movable plate moves towards the inner side in a movable groove along a sliding opening through sliding blocks on the two sides; and the limiting plates on the inner side wall of the movable plate are inserted into the limiting openings formed in the two sides of the positioning groove and penetrate through the connecting openings formed in the C-shaped handle, so that the purpose that the C-shaped handle is conveniently and quickly connected and mounted on the natural gas sampling steel cylinder to be matched with the natural gas sampling steel cylinder for use is achieved. Compared with a traditional installation mode of a bolt or a clamping hoop, installation of the C-shaped handle can be completed without the help of an external tool.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling device field, especially in kind natural gas sampling device. BACKGROUND

[0002] Natural gas is a kind of multi-component mixed gaseous fossil fuel, and it is also a kind of efficient clean energy, with the advancement of industrialization and the increase of daily life demand for natural gas, people pay more and more attention to natural gas, the proportion of each component in natural gas influences its combustion characteristics and the performance and emission characteristics of internal combustion engine using natural gas as fuel;National verification regulation stipulates that natural gas components are detected periodically, which involves the collection of on-site pipeline natural gas.

[0003] Natural gas sampling steel cylinder is a sealed container specially designed for collecting, storing and transporting natural gas samples, which is made of high-strength and corrosion-resistant 316L stainless steel to ensure the integrity and accuracy of natural gas samples during sampling, storage and transportation, which is of great significance for natural gas quality analysis, detection and subsequent research and application.

[0004] In the prior art, in order to facilitate the taking and using of natural gas sampling steel cylinder when sampling natural gas, a handle is usually arranged on the natural gas sampling steel cylinder, but the existing handle is mostly installed and fixed on the natural gas sampling steel cylinder by bolts or a set of clamping clamps, which is relatively cumbersome to operate during installation, so that when the handle is damaged, it is not convenient to quickly disassemble, replace and use the handle, thereby bringing inconvenience to the sampling of natural gas sampling steel cylinder. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a natural gas sampling device, which can effectively solve the problems in the background art.

[0006] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0007] A natural gas sampling device, comprising a natural gas sampling steel cylinder, two ends of the natural gas sampling steel cylinder are respectively provided with valves, the top surface of the natural gas sampling steel cylinder is further fixedly connected with a C-shaped handle through a connecting mechanism, and the connecting mechanism comprises connecting seats, movable plates, limiting plates and screw rods, the top surface of the natural gas sampling steel cylinder is fixedly connected with a set of symmetrical connecting seats, the movable plates are movably connected to the top surface of the connecting seats through sliding blocks on the two sides, the limiting plates are fixedly connected to the inner side walls of the movable plates, the screw rods are movably connected to the fixed blocks on the top surface of the connecting seats through rotating rods on the outer side ends, and the movable plates are movably connected to the screw rods through connecting blocks on the top surface.

[0008] Preferably, a connecting port is formed below each of the left and right side walls of the C-shaped handle.

[0009] Preferably, a set of symmetrical connecting seats is fixedly installed on the top surface of the natural gas sampling cylinder, and a positioning groove is provided on the top surface of the connecting seat. A movable groove is provided on the top surface of the connecting seat to the right of the positioning groove. Limiting ports are provided on the left and right side walls of the positioning groove, and sliding ports are provided on the front and rear side walls of the movable groove.

[0010] Preferably, the fixing block is fixedly installed on the top surface of the connecting seat and located outside the movable groove, and a rotating hole is provided on the side wall of the fixing block.

[0011] Preferably, a rotating rod is fixedly installed on the outer end of the screw, and the rotating rod is movably installed in the rotating hole. A knob is also fixedly installed on the outer end of the rotating rod.

[0012] Preferably, the movable plate is movably installed in the movable groove, and sliding blocks are fixedly installed on the front and rear side walls of the movable plate respectively. The sliding blocks are movably installed in the sliding opening. A limiting plate is fixedly installed on the inner side wall of the movable plate, and the limiting plate is inserted into the limiting opening and passes through the connecting opening. A connecting block is also fixedly installed on the top surface of the movable plate, and a threaded hole is opened on the side wall of the connecting block. The connecting block is threadedly connected to the screw through the threaded hole.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] In this invention, the connecting mechanism is designed for use with natural gas sampling cylinders. By inserting both ends of the C-shaped handle into the positioning grooves on the symmetrical connecting seat at the top of the natural gas sampling cylinder, rotating the knob drives the screw to rotate. This causes the connecting block to move along the screw through the threaded hole, moving the movable plate inward through the sliding blocks on both sides of the movable plate within the movable groove. The moving plate continues until the limiting plate on the inner wall of the movable plate inserts into the limiting openings on both sides of the positioning groove and passes through the connecting port on the C-shaped handle. This facilitates the quick connection and installation of the C-shaped handle onto the natural gas sampling cylinder. Compared to traditional bolt or clamp installation methods, the C-shaped handle can be installed without external tools. Furthermore, if the C-shaped handle is damaged, it can be easily removed and replaced, making it convenient for collecting natural gas samples from the natural gas sampling cylinder. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 For the present utility model Figure 1 Enlarged schematic diagram of the structure at point A;

[0017] Figure 3 It is the whole structure schematic diagram of C-shaped handle of the utility model;

[0018] Figure 4 It is the structure split schematic diagram of connecting mechanism of the utility model.

[0019] In the figure: 1, natural gas sampling steel bottle;2, valve;3, C-shaped handle;4, connecting mechanism;5, connecting port;6, connecting seat;7, positioning groove;8, movable groove;9, limiting port;10, sliding port;11, fixed block;12, rotating hole;13, movable plate;14, sliding block;15, limiting plate;16, connecting block;17, threaded hole;18, screw;19, rotating rod;20, knob. Specific implementation

[0020] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific implementation.

[0021] As shown in Figure 1 - Figure 4 A natural gas sampling device, including natural gas sampling steel bottle 1, the both ends of natural gas sampling steel bottle 1 are equipped with valve 2 respectively, the top surface of natural gas sampling steel bottle 1 is further fixedly connected with C-shaped handle 3 through connecting mechanism 4, and connecting mechanism 4 includes connecting seat 6, movable plate 13, limiting plate 15 and screw 18, the top surface of natural gas sampling steel bottle 1 is fixedly connected with a group of symmetrical connecting seat 6, movable plate 13 is movably connected in the top surface of connecting seat 6 through both sides sliding block 14, limiting plate 15 is fixedly connected on the inner side wall of movable plate 13, screw 18 is movably connected with the fixed block 11 of the top surface of connecting seat 6 through the rotating rod 19 of the outer side end, and movable plate 13 is movably connected with screw 18 through the connecting block 16 of the top surface.

[0022] As shown in Figure 3 The lower sides of the left and right side walls of C-shaped handle 3 are respectively provided with connecting port 5, and connecting port 5 is used to limit and install and fix C-shaped handle 3 in cooperation with connecting mechanism 4;

[0023] As shown in Figure 4 The top surface of natural gas sampling steel bottle 1 is fixedly installed with a group of left and right symmetrical connecting seat 6, the top surface of connecting seat 6 is provided with positioning groove 7, positioning groove 7 can be used to position and install C-shaped handle 3, the top surface of connecting seat 6 is provided with movable groove 8 on the right side of positioning groove 7, movable groove 8 is used to realize horizontal moving operation in cooperation with movable plate 13, the left and right side walls of positioning groove 7 are respectively provided with limiting port 9, limiting port 9 is used to limit C-shaped handle 3 in cooperation with limiting plate 15, the front and rear side walls of movable groove 8 are respectively provided with sliding port 10, and sliding port 10 is used to realize sliding operation in cooperation with sliding block 14.

[0024] As shown in Figure 4 , the fixed block 11 is fixedly installed on the top surface of the connecting seat 6 and located outside the movable slot 8, and a rotating hole 12 is formed in the side wall of the fixed block 11, which is used to cooperate with the rotating rod 19 to realize the rotating operation;

[0025] As shown in Figure 4 , the outer side end of the screw rod 18 is fixedly installed with the rotating rod 19, and the rotating rod 19 is movably installed in the rotating hole 12. The outer side end of the rotating rod 19 is also fixedly installed with the knob 20. Rotating the knob 20 can drive the rotating rod 19 to rotate in the rotating hole 12, and drive the screw rod 18 to rotate through the rotating rod 19;

[0026] As shown in Figure 4 , the movable plate 13 is movably installed in the movable slot 8, and the front and rear side walls of the movable plate 13 are respectively fixedly installed with the sliding blocks 14, which are movably installed in the sliding holes 10. The inner side wall of the movable plate 13 is fixedly installed with the limiting plate 15, which is inserted and installed in the limiting holes 9 and passes through the connecting holes 5. The top surface of the movable plate 13 is also fixedly installed with the connecting block 16, and the side wall of the connecting block 16 is provided with a threaded hole 17. The connecting block 16 is screwed together with the screw rod 18 through the threaded hole 17. Under the driving of the screw rod 18, the connecting block 16 will move inward along the screw rod 18 through the threaded hole 17. The connecting block 16 drives the movable plate 13 to move in the movable slot 8, and the sliding blocks 14 slide in the sliding holes 10, until the limiting plate 15 is inserted into the limiting holes 9 formed in the left and right side walls of the positioning slot 7, and passes through the connecting holes 5 formed in the C-shaped handle 3, so as to achieve the purpose of conveniently connecting and installing the C-shaped handle 3. In turn, the C-shaped handle 3 can be disassembled and replaced in time after the C-shaped handle 3 is damaged.

[0027] The specific operation of sampling the natural gas sample by the natural gas sampling steel cylinder 1 is as follows:

[0028] The connecting holes of the natural gas sampling steel cylinder 1 are connected with the inlet valve and the outlet valve at the sampling point, the valve 2 installed at the inlet and outlet of the natural gas sampling steel cylinder 1 is opened, and then the sampling port valve is opened. Let the natural gas flow in the natural gas sampling steel cylinder 1 for 2-3 minutes to replace the gas in the natural gas sampling steel cylinder 1. Close the valve 2 at the outlet end of the natural gas sampling steel cylinder 1, and take the sample for 1-2 minutes. Then, the valve at the inlet end of the natural gas sampling steel cylinder 1 and the valve at the sampling port are closed. Finally, the connecting holes of the natural gas sampling steel cylinder 1 are disconnected with the inlet valve and the outlet valve at the sampling point. The sampling of the natural gas sample is completed.

[0029] The specific principle of the connecting mechanism 4 cooperating with the use of the natural gas sampling steel cylinder 1 is as follows:

[0030] When the C-shaped handle 3 on the natural gas sampling steel cylinder 1 needs to be replaced due to damage, the knob 20 above the connecting seat 6 is rotated in sequence, the knob 20 drives the rotating rod 19 to rotate in the rotating hole 12 in the side wall of the fixed block 11, the rotating rod 19 drives the screw rod 18 to rotate, the connecting block 16 moves outward along the screw rod 18 through the threaded hole 17 in the side wall, the connecting block 16 drives the movable plate 13 on the bottom to move synchronously in the movable slot 8 in the top surface of the connecting seat 6, when moving, the sliding blocks 14 installed on the front and rear sides of the movable plate 13 slide in the sliding openings 10 in the front and rear side walls of the movable slot 8, until the limiting plate 15 installed on the inner side wall of the movable plate 13 enters the movable slot 8 through the limiting openings 9 in the left and right side walls of the positioning slot 7 and moves out of the connecting openings 5 in the bottom of the left and right side walls of the C-shaped handle 3, then the bottom end portions of the left and right sides of the C-shaped handle 3 are taken out of the positioning slot 7, the damaged C-shaped handle 3 can be detached from the natural gas sampling steel cylinder 1, when a new C-shaped handle 3 is installed on the natural gas sampling steel cylinder 1 to cooperate with the natural gas sampling steel cylinder 1 for use, the end portions of the C-shaped handle 3 are inserted into the positioning slot 7 in the top surface of the connecting seat 6 symmetrically installed on the top surface of the natural gas sampling steel cylinder 1, then the knob 20 is rotated in reverse to drive the screw rod 18 to rotate through the rotating rod 19, the connecting block 16 drives the movable plate 13 to move inward in the movable slot 8 along the screw rod 18 through the threaded hole 17, until the limiting plate 15 is inserted into the limiting opening 9 and passes through the connecting opening 5 in the lower portion of the left and right side walls of the C-shaped handle 3 in the positioning slot 7, in this way, the C-shaped handle 3 can be quickly connected, installed and fixed on the natural gas sampling steel cylinder 1, compared with the traditional installation mode of bolts or clamping clamps, the C-shaped handle 3 can be disassembled and assembled without the aid of external tools, so that the C-shaped handle 3 on the natural gas sampling steel cylinder 1 is convenient to disassemble and assemble, and the use of the natural gas sampling steel cylinder 1 for collecting natural gas samples is facilitated.

[0031] It should be noted that the above only describes the preferred embodiments of the present application, and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, various improvements can be made to the present application without departing from the scope of the present application, equivalent components can be substituted, or some technical features can be replaced equivalently, as long as they are within the spirit and principles of the present application.

Claims

1. A natural gas sampling device comprising a natural gas sampling cylinder (1), two ends of the natural gas sampling cylinder (1) are respectively provided with a valve (2), characterized in that: The top surface of the natural gas sampling steel cylinder (1) is also fixedly connected with a C-shaped handle (3) through a connecting mechanism (4), and the connecting mechanism (4) comprises connecting seats (6), movable plates (13), limiting plates (15) and screw rods (18).

2. A natural gas sampling device according to claim 1, wherein: The C-shaped handle (3) is provided with connecting openings (5) below the left and right side walls.

3. A natural gas sampling device according to claim 2, wherein: The top surface of the natural gas sampling steel cylinder (1) is fixedly provided with a plurality of left-right symmetrical connecting seats (6), and the top surface of the connecting seat (6) is provided with a positioning groove (7).

4. A natural gas sampling device according to claim 3, wherein: The fixed block (11) is fixedly installed on the top surface of the connecting seat (6) and located outside the movable groove (8), and the side wall of the fixed block (11) is provided with a rotating hole (12).

5. A natural gas sampling device according to claim 4, wherein: The outer side of the screw rod (18) is fixedly provided with a rotating rod (19), and the rotating rod (19) is movably installed in the rotating hole (12).

6. A natural gas sampling device according to claim 5, wherein: The outer side of the rotating rod (19) is also fixedly provided with a knob (20). The movable plate (13) is movably installed in the movable groove (8), and the front and rear side walls of the movable plate (13) are respectively fixedly provided with sliding blocks (14), and the sliding blocks (14) are movably installed in the sliding openings (10). The inner side wall of the movable plate (13) is fixedly provided with a limiting plate (15), and the limiting plate (15) is inserted and installed in the limiting opening (9) and passes through the connecting opening (5). The top surface of the movable plate (13) is also fixedly provided with a connecting block (16), and the side wall of the connecting block (16) is provided with a threaded hole (17), and the connecting block (16) is screwed together with the screw rod (18) through the threaded hole (17).

Images