Rapid sampling device for tank car

Abstract

The utility model belongs to the technical field of sampling equipment, and discloses a tank car quick sampling device which comprises a connecting piece connected to a tank car discharging pipe, a connecting pipe is installed at the rear end of the connecting piece, an adjusting valve is installed at the front end of the connecting piece, a sealing mechanism is arranged outside the connecting pipe, and the sealing mechanism comprises a first sealing gasket and a second sealing gasket. A plurality of insertion rods are uniformly mounted on the surface of one side of the first sealing gasket; and a positioning mechanism is arranged outside the connecting piece. The connecting pipe on the connecting piece can be installed in the tank car discharging pipe at the bottom of the tank car, so that the function of sampling at the bottom discharging opening is achieved, and a user does not need to climb to the top charging opening of the tank car for sampling; one end of the positioning piece in the positioning mechanism inclines downwards through the elastic force of the spring, so that the positioning piece is attached to the tank car discharging pipe and clamps a flange at the end of the tank car discharging pipe, and then the connecting piece and the tank car discharging pipe can be rapidly fixed together.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sampling equipment technical field, concretely relates to a tank truck fast sampling device. BACKGROUND

[0002] The tank truck is a special vehicle for transporting toxic, harmful, explosive and other dangerous goods, and is widely used in chemical industry, petroleum industry, food industry and other industries. When sampling the liquid in the tank body such as crude oil and liquefied petroleum gas, sampling operation needs to be carried out from the manhole on the top of the tank body, which has the risk of falling and is easy to cause toxic substance volatilization.

[0003] A joint sampling device is disclosed in Chinese patent (authorized publication number CN212722169U). The patent technology only needs to connect the tank unloading port and the unloading pipe through the joint sampling device, so that sampling can be carried out through the sampling part. The operator does not need to climb to the top of the tank to open the manhole cover for sampling, which effectively avoids the risk of falling. However, it has certain disadvantages: the tank body connecting part for connecting the tank unloading port does not have the function of quick disassembly and assembly, and cannot be quickly connected with the tank unloading port and quickly disassembled from the tank unloading port. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a tank truck fast sampling device to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A tank truck fast sampling device, comprising a connecting piece connected to the tank unloading pipe, a connecting pipe installed at the rear end of the connecting piece, and an adjusting valve installed at the front end of the connecting piece, wherein the outer part of the connecting pipe is provided with a sealing mechanism, the sealing mechanism comprises a first sealing pad and a second sealing pad, a plurality of insertion rods are uniformly installed on one side surface of the first sealing pad, and a plurality of insertion grooves are uniformly formed on one side surface of the second sealing pad.

[0007] The outer part of the connecting piece is provided with a positioning mechanism.

[0008] Further, the adjusting valve comprises a valve body, and a valve pipe is installed at the front end of the valve body.

[0009] Further, the positioning mechanism comprises a mounting groove formed on the upper surface of the connecting piece and a positioning piece installed on the outer part of the connecting piece, a positioning spring is installed on the lower surface of the positioning piece, and positioning shafts are rotatably connected to the left and right ends of the positioning piece.

[0010] Further, a notch is formed at the rear end of the positioning piece, and a mounting block is installed on the rear side of the positioning spring on the lower surface of the positioning piece.

[0011] Further, the connecting pipe is located inside the tank truck unloading pipe, the first sealing gasket and the second sealing gasket are members of elastic material, and the first sealing gasket and the second sealing gasket are installed outside the connecting pipe, the number of the inserting rods is equal to the number of the inserting grooves, and the inserting rods are located inside the inserting grooves.

[0012] Further, the rear end of the valve body is connected to the front end of the connecting piece, and the diameter of the valve pipe is smaller than the diameter of the tank truck unloading pipe.

[0013] Further, the lower end of the positioning spring is installed inside the installation groove, and one end of the positioning shaft is installed on one side surface of the connecting piece.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The connecting pipe on the connecting piece can be installed in the tank truck unloading pipe at the bottom of the tank truck, thereby achieving the function of sampling at the bottom unloading port, and it is no longer necessary to climb to the top loading port of the tank truck for sampling, which is convenient and safe; the positioning member in the positioning mechanism is inclined downward at one end through the elastic force of the spring, thereby being attached to the tank truck unloading pipe and clamping the flange at the end of the tank truck unloading pipe, and the connecting piece and the tank truck unloading pipe can be quickly fixed together; the sealing assembly can seal the connection between the connecting piece and the tank truck unloading pipe, thereby avoiding leakage of the material. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structure schematic view of the tank truck rapid sampling device of the utility model;

[0017] Fig. 2 It is a left view of the tank truck rapid sampling device of the utility model;

[0018] Fig. 3 It is a partial left view of the tank truck rapid sampling device of the utility model;

[0019] Fig. 4 It is a sectional view of the sealing mechanism in the tank truck rapid sampling device of the utility model;

[0020] Fig. 5 It is a structure schematic view of the positioning mechanism in the tank truck rapid sampling device of the utility model;

[0021] Fig. 6 It is a rear view of the notch in the tank truck rapid sampling device of the utility model;

[0022] Fig. 7 It is a practical application schematic view of the tank truck rapid sampling device of the utility model.

[0023] BRIEF DESCRIPTION OF DRAWINGS:

[0024] 1, connecting piece; 2, tank truck unloading pipe; 3, connecting pipe; 4, regulating valve; 5, valve body; 6, valve pipe; 7, sealing mechanism; 8, positioning mechanism; 9, first sealing pad; 10, second sealing pad; 11, insertion rod; 12, insertion slot; 13, mounting groove; 14, positioning piece; 15, positioning spring; 16, positioning shaft; 17, notch; 18, mounting block; 19, tank truck. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described in detail below with reference to the drawings. The following examples are only exemplary and can only be used to explain and illustrate the technical scheme of the utility model, but cannot be interpreted as a limitation on the technical scheme of the utility model.

[0026] Please refer to Figs. 1-3 and Fig. 7 In the utility model embodiment, a tank truck rapid sampling device comprises a connecting piece 1 connected to a tank truck unloading pipe 2, a connecting pipe 3 is installed at the rear end of the connecting piece 1, the connecting pipe 3 is located inside the tank truck unloading pipe 2, a regulating valve 4 is installed at the front end of the connecting piece 1, the regulating valve 4 comprises a valve body 5, the rear end of the valve body 5 is connected to the front end of the connecting piece 1, a valve pipe 6 is installed at the front end of the valve body 5, and the diameter of the valve pipe 6 is smaller than the diameter of the tank truck unloading pipe 2.

[0027] The tank truck unloading pipe 2 is installed on the tank truck 19, specifically at the bottom of the tank body of the tank truck 19, and a flange is arranged at the end of the tank truck unloading pipe 2 for connecting an external suction pipe. The connecting piece 1 and the tank truck unloading pipe 2 are installed together, the regulating valve 4 and the connecting piece 1 are installed together, and the sampling pipe and the regulating valve 4 are installed together. By opening the valve at the bottom of the tank body and then opening the regulating valve 4, the material in the tank truck 19 can be discharged through the sampling pipe.

[0028] The outer diameter of the connecting pipe 3 is the same as the inner diameter of the tank truck unloading pipe 2, so when the connecting pipe 3 is installed inside the tank truck unloading pipe 2, the two are in close contact with each other. The valve body 5 is a flow-adjustable valve, such as a needle valve or a butterfly valve. In combination with the smaller-diameter valve pipe 6, it is convenient to take out a small amount of material as a sample.

[0029] In Figs. 2-4 , the outer part of the connecting pipe 3 is provided with a sealing mechanism 7, the sealing mechanism 7 comprises a first sealing pad 9 and a second sealing pad 10, the first sealing pad 9 and the second sealing pad 10 are both members made of elastic material, and the first sealing pad 9 and the second sealing pad 10 are both installed on the outer part of the connecting pipe 3. A plurality of insertion rods 11 are uniformly installed on one side surface of the first sealing pad 9, a plurality of insertion slots 12 are uniformly formed on one side surface of the second sealing pad 10, the number of the insertion rods 11 is equal to the number of the insertion slots 12, and the insertion rods 11 are located inside the insertion slots 12.

[0030] The first sealing gasket 9 and the second sealing gasket 10 are preferably made of rubber, and seal the connection between the connecting piece 1 and the tank truck unloading pipe 2 to avoid material leakage.

[0031] In Figs. 1-3 , Fig. 5 and Fig. 6 , the connecting piece 1 is externally provided with a positioning mechanism 8, the positioning mechanism 8 comprises a mounting groove 13 formed on the upper surface of the connecting piece 1 and a positioning piece 14 mounted on the outer portion of the connecting piece 1, the lower surface of the positioning piece 14 is provided with a positioning spring 15, the lower end of the positioning spring 15 is mounted in the inner portion of the mounting groove 13, the left and right ends of the positioning piece 14 are both provided with a positioning shaft 16 which is rotatably connected, one end of the positioning shaft 16 is mounted on one side surface of the connecting piece 1, the rear end of the positioning piece 14 is provided with a notch 17, and the lower surface of the positioning piece 14 is provided with a mounting block 18 which is mounted on the rear side of the positioning spring 15.

[0032] The one end of the positioning piece 14 with the positioning spring 15 is pressed downward to drive the positioning piece 14 to rotate, so that the other end is raised, the connecting pipe 3 is inserted into the tank truck unloading pipe 2 and the connecting piece 1 is attached to the flange of the tank truck unloading pipe 2, then the pressed one end is released, the other end of the positioning piece 14 will be lowered to attach to the tank truck unloading pipe 2 and clamp the flange at the end of the tank truck unloading pipe 2, so that the tank truck unloading pipe 2 and the connecting piece 1 are quickly fixed together.

[0033] The notch 17 is arc-shaped, which can better attach to the tank truck unloading pipe 2.

[0034] The positioning mechanism 8 can be arranged one above the other, which further improves the firmness of the fixation.

[0035] The working principle of the utility model is as follows:

[0036] In use, the one end of the positioning piece 14 with the positioning spring 15 on the connecting piece 1 is pressed downward to make the other end raised, the connecting pipe 3 is inserted into the tank truck unloading pipe 2 and the connecting piece 1 is attached to the flange of the tank truck unloading pipe 2, then the pressed one end is released, the other end of the positioning piece 14 will be lowered to attach to the tank truck unloading pipe 2 and clamp the flange at the end of the tank truck unloading pipe 2, so that the connecting piece 1 and the tank truck unloading pipe 2 are fixed together; then the sampling pipe connected with the sampling tank is connected to the valve pipe 6, the valve on the tank truck unloading pipe 2 is opened first, then the valve body 5 is opened, so that the material slowly flows out at the required flow rate and flows into the sampling tank through the pipeline, thereby completing the sampling of the sample.

[0037] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A tank truck rapid sampling device, comprising a connecting piece (1) connected to a tank truck discharge pipe (2), a connecting pipe (3) is installed at the rear end of the connecting piece (1), and an adjusting valve (4) is installed at the front end of the connecting piece (1), characterized in that, The outer part of the connecting pipe (3) is provided with a sealing mechanism (7), the sealing mechanism (7) comprises a first sealing pad (9) and a second sealing pad (10), a plurality of insertion rods (11) are uniformly arranged on one side surface of the first sealing pad (9), a plurality of insertion grooves (12) are uniformly arranged on one side surface of the second sealing pad (10). The outer part of the connecting piece (1) is provided with a positioning mechanism (8).

2. The tank truck rapid sampling device of claim 1, wherein, The adjusting valve (4) comprises a valve body (5), and the front end of the valve body (5) is provided with a valve pipe (6).

3. The tank truck rapid sampling device of claim 1, wherein, The positioning mechanism (8) comprises a mounting groove (13) arranged on the upper surface of the connecting piece (1) and a positioning piece (14) mounted on the outer part of the connecting piece (1), the lower surface of the positioning piece (14) is provided with a positioning spring (15), and the left and right ends of the positioning piece (14) are both penetrated and rotationally connected with a positioning shaft (16).

4. The tank truck rapid sampling device of claim 3, wherein, The rear end of the positioning piece (14) is provided with a notch (17), and the lower surface of the positioning piece (14) is provided with a mounting block (18) on the rear side of the positioning spring (15).

5. The tank truck rapid sampling device of claim 1, wherein, The connecting pipe (3) is located in the inner part of the tank car unloading pipe (2), the first sealing pad (9) and the second sealing pad (10) are both members made of elastic material, and the first sealing pad (9) and the second sealing pad (10) are both mounted on the outer part of the connecting pipe (3), the number of the insertion rods (11) is equal to the number of the insertion grooves (12), and the insertion rods (11) are located in the inner part of the insertion grooves (12).

6. The tank truck rapid sampling device of claim 2, wherein, The rear end of the valve body (5) is connected to the front end of the connecting piece (1), and the diameter of the valve pipe (6) is smaller than the diameter of the tank car unloading pipe (2).

7. The tank truck rapid sampling device of claim 3, wherein, The lower end of the positioning spring (15) is mounted in the inner part of the mounting groove (13), and one end of the positioning shaft (16) is mounted on one side surface of the connecting piece (1).

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