Portable oil sampler

Abstract

The utility model provides a portable oil sampler which comprises a collecting bottle, the upper end of the collecting bottle is in threaded connection with a bottle cap, two connecting columns are arranged at the upper end of the bottle cap, one connecting column is a liquid inlet column, the other connecting column is an air column, and an air hole is formed; a fixing block is arranged above the collecting bottle, a clamping groove is formed in the fixing block, the bottle cap is arranged in the clamping groove in a matched mode, and the lower portion of the clamping groove supports the edge of the lower end of the bottle cap. A fixing block is fixedly connected to the upper end of the liquid inlet column, an air suction barrel is fixedly connected to one side of the fixing block, a connecting sleeve is movably arranged at the upper end of the fixing block, the connecting sleeve is hollow and located over the liquid inlet column, a connecting air pipe is fixedly connected to the side wall of the air suction barrel, and the other end of the connecting air pipe is fixedly connected with the side wall of the connecting sleeve. According to the invention, the rapid connection of the sampling bottle can be realized through the clamping groove, and meanwhile, the connecting pipe, the liquid inlet column, the gas column and other structures are arranged, so that the sealed storage after sampling is ensured.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sampler, in particular to a portable oil sampler. BACKGROUND

[0002] Hydraulic oil is a hydraulic medium used in hydraulic system using liquid pressure energy, which plays a role of energy transmission, anti-wear, system lubrication, corrosion prevention, rust prevention, cooling and the like in the hydraulic system. For hydraulic oil, firstly, the viscosity of the liquid at the working temperature and the starting temperature should meet the requirements of the hydraulic device, since the viscosity change of the lubricating oil is directly related to the hydraulic action, transmission efficiency and transmission accuracy, and the viscosity-temperature performance and shear stability of the oil should also meet various requirements proposed for different purposes. There are various types of hydraulic oil, and different classification methods, for a long time, it is customary to classify by purpose, and there are also classifications according to oil types, chemical components or flammability.

[0003] During the use of hydraulic oil, it needs to be sampled and detected regularly to ensure that its performance meets the use requirements. In the existing sampler, a suction cylinder is used, the sampling bottle is threadedly connected to the end of the suction cylinder, and the suction cylinder and the sampling bottle are communicated, the suction cylinder works to generate negative pressure in the sampling bottle, and the oil is sucked into the sampling bottle by means of the sampling hose. In this way, the hands are more or less stained with oil during the arrangement of the sampling hose, which is not convenient for subsequent sealing of the sampling bottle and the like. SUMMARY

[0004] To solve the above problems, the present application discloses a portable oil sampler, which comprises a collection bottle, the upper end of the collection bottle is threadedly connected with a bottle cap, the upper end of the bottle cap is provided with two connecting columns, one of which is a liquid inlet column, the other is a gas column, and a gas hole is arranged. During sampling, the bottle cap remains closed at the upper end of the sampling bottle, which can reduce the leakage of oil after the sampling bottle falls.

[0005] The upper part of the collection bottle is provided with a fixing block, the inside of the fixing block is provided with a clamping groove, the bottle cap is matched in the clamping groove, and the lower end edge of the bottle cap is supported by the lower part of the clamping groove. The sampling bottle is fixed on the fixing block by buckling, which is convenient for sampling operation, and there is a high probability that the hands are stained with oil during sampling. The traditional collection bottle is threadedly connected to the fixing block, which is easy to slip and cannot be unscrewed, or the collection bottle is easy to slip off from the hands when being unscrewed.

[0006] One side of the fixing block is fixedly connected with a suction cylinder, the upper end of the fixing block is movably provided with a connecting sleeve, the connecting sleeve is hollow, and is located directly above the liquid inlet column, the side wall of the suction cylinder is fixedly connected with a connecting gas pipe, and the other end of the connecting gas pipe is fixedly connected with the side wall of the connecting sleeve. The suction cylinder works, the inside of the sampling bottle generates negative pressure by means of the connecting sleeve and the connecting pipe, and the oil is extracted by means of the liquid inlet column.

[0007] Preferably, the liquid inlet column is provided with a connecting pipe in advance, the connecting pipe comprises a pipe body, connecting heads are fixedly connected to two ends of the pipe body, and the connecting heads are in threaded connection with the connecting column. Before the oil liquid is extracted, one end of the connecting pipe is connected with a sampling hose, and the other end of the sampling hose extends into a sampling position. After sampling is completed, the connecting pipe is separated from the sampling hose, and the connecting head at the end of the connecting pipe is in threaded connection with the air column, so that the sealing of the sampling bottle is realized.

[0008] Preferably, the lower end of the bottle cap is fixedly connected with an inner pipe, the upper part of the inner pipe is matched on the liquid inlet column, and the lower part of the inner pipe extends to the bottom of the collecting bottle. When the oil liquid is taken out of the collecting bottle, the inner pipe can facilitate the extraction of the oil liquid.

[0009] Preferably, the upper and lower parts of the connecting sleeve are buckled with limit clamping springs. The limit clamping springs are arranged to avoid the falling of the connecting sleeve from below or above the fixing block.

[0010] Preferably, the end of the connecting air pipe is provided with a one-way valve, and the one-way valve is located in the interior of the air extraction cylinder. That is, when the interior of the air extraction cylinder is under negative pressure, the one-way valve is opened, and the gas in the sampling bottle enters the interior of the air extraction cylinder. When the interior of the air extraction cylinder is under positive pressure, the one-way valve is closed, and the internal pressure of the sampling bottle is not affected.

[0011] The beneficial effects of the present application are as follows:

[0012] 1. The fixing block is arranged, the upper part of the collecting bottle is matched with the clamping groove, and the use of the connecting sleeve enables the collecting bottle to be restrained in the clamping groove, so that even if the hands are stained with oil liquid, the installation and use of the sampling bottle are not affected.

[0013] 2. The connecting pipe, the liquid inlet column, the air column and other structures are arranged, so that the inlet and outlet channels of the sampling bottle are small, the sealing is facilitated, the connecting pipe can be used as a handle after the sealing is completed, and even if the hands are stained with oil liquid, the sampling bottle will not slide off the hands. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a perspective view of the present application;

[0015] Fig. 2 It is an exploded view of the present application;

[0016] Fig. 3 It is a perspective view of the bottle cap of the present application;

[0017] Fig. 4 It is a left side view of the fixing block of the present application.

[0018] LIST OF REFERENCE NUMBERS:

[0019] 1. Collection bottle; 2. Fixing block; 3. Vacuum pump; 4. Connecting air tube; 5. Connecting sleeve; 6. Connecting tube; 7. Bottle cap; 8. Inner tube; 9. Air hole; 10. Slot; 11. Limiting spring;

[0020] 61. Connector; 62. Pipe body. Detailed Implementation

[0021] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, and the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0022] like Figs. 1 to 4 As shown, a portable oil sampler includes a collection bottle 1, which has a cylindrical structure. The upper end of the collection bottle 1 is threaded with a cap 7, which seals the collection bottle 1. During use, if the inside of the sampling bottle 1 is not cleaned, there is no need to open the cap 7. The upper end of the cap 7 is provided with two connecting columns, one of which is a liquid inlet column for extracting oil, and the other is an air column with an air hole 9. The inner diameter of the air hole 9 is small. When oil enters at the liquid inlet column, the air hole 9 discharges the gas in the sampling bottle 1.

[0023] A fixing block 2 is provided above the collection bottle 1. A slot 10 is provided inside the fixing block 2. The bottle cap 7 fits in the slot 10, and the lower part of the slot 10 supports the lower edge of the bottle cap 7. That is, the connection and separation of the collection bottle 1 and the fixing block 2 can be quickly realized through the connection of the slot 10.

[0024] A vacuum pump 3 is fixedly connected to one side of the fixed block 2. Vacuuming is performed by pulling the vacuum pump 3. A connecting sleeve 5 is movably installed at the upper end of the fixed block 2. The connecting sleeve 5 is hollow and located directly above the liquid inlet column. After the collection bottle 1 is fitted into the slot 10, the connecting sleeve 5 is pressed down, and the lower end of the connecting sleeve 5 is sleeved with the air column. This not only enables communication between the air hole 9 and the connecting sleeve 5, but also restricts the sampling bottle 1 from being removed from the fixed block 2. A connecting air pipe 4 is fixedly connected to the side wall of the vacuum pump 3. The other end of the connecting air pipe 4 is fixedly connected to the side wall of the connecting sleeve 5. With the help of the connecting air pipe 4 and the connecting sleeve 5, the vacuum pump 3 works, generating negative pressure in the sampling bottle 1. The liquid inlet column is connected to the sampling hose, drawing the oil into the collection bottle 1.

[0025] The liquid inlet column is provided with a connecting pipe 6, the connecting pipe 6 comprises a pipe body 62, both ends of the pipe body 62 are fixedly connected with connecting heads 61, the connecting heads 61 are in threaded cooperation with the connecting column, before sampling, one of the connecting heads 61 is connected with a sampling hose, the other end of the sampling hose extends into a sampling area, after sampling, the connecting head 61 is separated from the sampling hose and is in threaded cooperation with the air column, so as to seal the collecting bottle 1.

[0026] The lower end of the bottle cap 7 is fixedly connected with an inner pipe 8, the upper part of the inner pipe 8 is matched on the liquid inlet column, the lower part extends to the bottom of the collecting bottle 1, if the oil liquid in the collecting bottle 1 is taken, the inner pipe 7 is used for sucking, so as to take out the oil liquid in the collecting bottle 1 as much as possible, and the bottle cap 7 does not need to be turned to be opened.

[0027] The upper and lower parts of the connecting sleeve 5 are buckled with limit clamping springs 11, under the block of the limit clamping springs 11, the connecting sleeve 5 is prevented from falling off from the lower part or the upper part of the fixed block 2.

[0028] The end of the connecting air pipe 4 is provided with a one-way valve, and the one-way valve is located in the interior of the air suction cylinder 3, that is, when the interior of the air suction cylinder 3 is under negative pressure, the one-way valve is opened, the gas in the sampling bottle 1 is sucked, if the interior of the air suction cylinder 3 is under positive pressure, the one-way valve is closed, and the sampling bottle 1 is not affected. In addition, the air suction cylinder 3 comprises a cylinder body, a piston, a piston rod, a one-way valve two, and the one-way valve two is opened under positive pressure of the cylinder body and is closed under negative pressure.

[0029] The technical means disclosed in the scheme of the application is not only limited to the technical means disclosed in the above-mentioned embodiments, but also includes the technical scheme composed of any combination of the above technical features.

Claims

1. A portable oil sampler, characterized in that, Includes a collection bottle (1), the upper end of which is threadedly connected to a bottle cap (7), the upper end of which is provided with two connecting columns, one of which is a liquid inlet column and the other is an air column, and is provided with an air hole (9). A fixing block (2) is provided above the collection bottle (1), and a slot (10) is provided inside the fixing block (2). The bottle cap (7) fits in the slot (10), and the lower part of the slot (10) supports the lower edge of the bottle cap (7). A vacuum cylinder (3) is fixedly connected to one side of the fixed block (2). A connecting sleeve (5) is movably provided at the upper end of the fixed block (2). The connecting sleeve (5) is hollow and located directly above the liquid inlet column. A connecting air pipe (4) is fixedly connected to the side wall of the vacuum cylinder (3). The other end of the connecting air pipe (4) is fixedly connected to the side wall of the connecting sleeve (5).

2. The portable oil sampler according to claim 1, characterized in that: The inlet column is pre-installed with a connecting tube (6), which includes a tube body (62). Both ends of the tube body (62) are fixedly connected with connectors (61), and the connectors (61) and the connecting column are threaded together.

3. A portable oil sampler according to claim 1, characterized in that: The lower end of the bottle cap (7) is fixedly connected to an inner tube (8), the upper part of which is fitted onto the liquid inlet column and the lower part extends to the bottom of the collection bottle (1).

4. A portable oil sampler according to claim 1, characterized in that: The upper and lower parts of the connecting sleeve (5) are both fitted with limit springs (11).

5. A portable oil sampler according to claim 1, characterized in that: The end of the connecting air pipe (4) is provided with a one-way valve, and the one-way valve is located inside the air extraction cylinder (3).

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