Simple oil sample extractor

Abstract

The utility model belongs to the technical field of mechanical equipment detection, and aims to solve the problems that the current oil sample extraction is time-consuming and labor-consuming, impurities are easily brought into the extracted oil sample, and the detection result is influenced. The simple oil sample extractor comprises a three-way valve, an oil pumping device, an oil suction pipe and an oil collection bottle cap, wherein the three-way valve is composed of a first one-way valve and a second one-way valve, an oil inlet of the first one-way valve is connected with an oil suction pipe, the oil suction pipe is used for being inserted into oil to be sampled, the outer end of an oil outlet of the second one-way valve is fixedly sleeved with an oil collection bottle cap, and the oil collection bottle cap is used for being connected with an oil collection bottle; the valve body of the first one-way valve is further provided with two oil liquid channels, one oil liquid channel is connected with the oil pumping device, and the other oil liquid channel is connected with an oil inlet of the second one-way valve. The oil sample extractor is simple and practical, and can reduce oil sample extraction links, reduce labor intensity, reduce mixing of impurities in the oil sample collection process and ensure the quality of an oil sample.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical equipment testing technology, specifically relating to a simple oil sample extractor. Background Technology

[0002] To ensure proper lubrication and normal operation of all moving parts of mechanical equipment and extend the service life of the equipment, it is required to periodically collect lubricating oil samples from major equipment such as reducers and pump stations. These samples are then analyzed by a grease testing department to determine whether the various indicators of the lubricating oil meet the standards.

[0003] However, collecting oil samples on-site is time-consuming and laborious. Typically, a makeshift sampler is made by binding half a beverage bottle with wire, then the top cover of the reducer is opened, the beverage bottle is inserted into the reducer to collect the oil sample, which is then poured into a collection bottle. During the collection process, oil easily spills everywhere, affecting environmental hygiene. It's also easy for coal dust, bolts, and other debris to fall into the reducer, creating potential hazards. Furthermore, the collected oil sample can easily introduce impurities, affecting the test results. Utility Model Content

[0004] In order to solve at least one of the above-mentioned technical problems in the prior art, this utility model provides a simple oil sample extractor.

[0005] This utility model is achieved using the following technical solution: a simple oil sample extractor, comprising a three-way valve, an oil extractor, an oil suction pipe, and an oil collection bottle cap; wherein the three-way valve consists of a first one-way valve and a second one-way valve, the oil inlet of the first one-way valve is connected to an oil suction pipe, which is used to insert into the oil to be sampled, and the oil outlet of the second one-way valve is fixedly fitted with an oil collection bottle cap, which is used to connect to the oil collection bottle; the valve body of the first one-way valve is also provided with two oil channels, one of which is connected to the oil extractor, and the other is connected to the oil inlet of the second one-way valve; the oil extractor is used to extract the oil to be sampled through the oil suction pipe and the first one-way valve, and after extraction, the sampled oil is pressed into the oil collection bottle through the first one-way valve and the second one-way valve.

[0006] Preferably, the oil extractor is a piston-type cylinder, including a cylinder body, a piston, and a piston rod. The front end of the cylinder body is integrated with a three-way valve into a single structure, and the piston fixed to the front end of the piston rod is slidably disposed in the cylinder body.

[0007] Preferably, the capacity of the cylinder body is 100ml-200ml, the cylinder body also serves as the hand handle of the oil sample extractor, the shell of the cylinder body is transparent and has scale lines, and the piston rod has a piston handle at the end.

[0008] Preferably, the valve cores of both the first and second check valves are spherical, and the springs of both the first and second check valves are conical pressure springs; the valve core of the first check valve is located near its oil inlet end, and the valve core of the second check valve is located near its oil inlet end.

[0009] Preferably, the connection between the first check valve, the second check valve, and the cylinder body is made by threaded connection with a sealing ring.

[0010] Preferably, the first check valve and the second check valve are arranged perpendicularly at 90 degrees, and the oil pump is arranged parallel to the first check valve.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This device utilizes the negative pressure generated when the oil pump is pumping to draw oil from the reducer tank into the oil pump through the first check valve. Then, under the positive pressure of the oil pump, the oil is injected into the oil collection bottle through the first check valve and the second check valve, thus achieving the purpose of rapid sampling.

[0013] This oil sample extractor is simple and practical, reducing the number of steps in oil sample extraction, alleviating labor intensity, and achieving high sampling efficiency. It can reduce the introduction of impurities during oil sample collection, ensuring the quality of the oil sample and resulting in significant economic benefits. At the same time, it avoids the occurrence of accidentally dropping bolts or personal belongings into the reducer, and also prevents coal dust from being brought into the reducer during oil sample collection, ensuring the safe operation of the equipment. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of the present invention.

[0016] In the diagram: 101-First check valve; 102-Second check valve; 201-Cylinder body; 202-Piston; 203-Piston rod; 3-Oil collection bottle cap. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described in conjunction with the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0018] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this utility model can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportional relationships, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should fall within the scope of the technical content disclosed in this utility model. It should be noted that in this specification, relational terms such as "first" and "second" are only used to distinguish one entity from several other entities, and do not necessarily require or imply any actual relationship or order between these entities.

[0019] This utility model provides an embodiment:

[0020] like Figure 1 As shown, a simple oil sample extractor includes a three-way valve, an oil extractor, an oil suction pipe, and an oil collection bottle cap 3. The three-way valve consists of a first one-way valve 101 and a second one-way valve 102. The oil inlet of the first one-way valve 101 is connected to the oil suction pipe, which is inserted into the oil to be sampled. The oil outlet of the second one-way valve 102 is fixedly fitted with the oil collection bottle cap 3, which is used to connect to the oil collection bottle. The valve body of the first one-way valve 101 is also provided with two oil channels, one of which is connected to the oil extractor, and the other is connected to the oil inlet of the second one-way valve 102. The oil extractor is used to extract the oil to be sampled through the oil suction pipe and the first one-way valve 101, and after extraction, the sampled oil is pressed into the oil collection bottle through the first one-way valve 101 and the second one-way valve 102.

[0021] In this embodiment, the oil extractor is a piston-type cylinder, including a cylinder body 201, a piston 202, and a piston rod 203. The piston 202, fixed to the front end of the piston rod 203, is slidably disposed within the cylinder body 201. The capacity of the cylinder body 201 is 100ml-200ml. A handle is provided at the bottom of the cylinder body 201. The shell of the cylinder body 201 is transparent and has graduation lines. A piston handle is provided at the end of the piston rod 203.

[0022] The front end of the cylinder body 201 is integrated with the three-way valve into a single structure. The first check valve 101 and the second check valve 102 are arranged perpendicularly at 90 degrees, and the oil extractor is arranged parallel to the first check valve 101. The connection between the first check valve 101, the second check valve 102 and the cylinder body 201 is made by threaded connection with a sealing ring.

[0023] The valve cores of both the first check valve 101 and the second check valve 102 are spherical structures, and the springs of both are conical pressure springs. The valve core of the first check valve 101 is located near its oil inlet end, and the valve core of the second check valve 102 is also located near its oil inlet end. The oil inlet of the first check valve 101 extends outside the pump housing and can connect with... The extended plastic suction tube is inserted for connection, and the oil outlet of the second one-way valve 102 extends out of the oil extractor housing. A bottle cap that matches the oil collection bottle is fixed at the oil outlet. The oil collection bottle is marked with a capacity scale to facilitate observation and determination of the amount of oil sample collected.

[0024] Oil sampling principle: When the piston of the oil pump moves outward, a negative pressure is generated inside the oil pump. The lubricating oil in the gearbox enters the oil cylinder through the oil suction pipe, oil inlet A, and the first one-way valve. When the piston is pushed inward, the oil in the oil cylinder enters the oil collection bottle through the first one-way valve, the second one-way valve, and the oil outlet B.

[0025] Specific method for oil sample collection: Before extracting oil samples on site, first connect a prepared 500-800mm long plastic suction tube to the A end of the three-way valve, and tighten the cap of the oil collection bottle to the B end of the oil outlet.

[0026] Then, remove the oil dipstick from the gauge hole of the reducer; insert the other end of the sampler's plastic suction tube into the oil gauge hole of the reducer; hold the oil extractor handle with one hand and the piston handle with the other, keeping the oil extractor basically horizontal and the oil collection bottle opening facing upwards, then pull the piston handle, and the oil sample will be drawn from the gearbox through the suction tube and the first one-way valve into the oil cylinder. Observe the scale on the oil cylinder, and stop the extraction when the required scale is reached;

[0027] Then push the piston handle, and the oil sample is injected into the oil collection bottle through the second one-way valve. Observe the scale on the oil collection bottle. When the required scale is reached, the extraction can be stopped. If one extraction is not enough, it can be extracted once or multiple times. Generally, one or two extractions (100-200ml) are sufficient. Then remove the oil collection bottle for storage. The remaining oil in the oil extractor is injected back into the gearbox. Reset the oil dipstick in the gearbox. The oil sample collection is complete. The sampling operation is simple, clean, hygienic, and fast.

[0028] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A simple oil sample extractor characterized by: Includes a three-way valve, an oil extractor, an oil suction pipe, and an oil collection bottle cap (3); The three-way valve consists of a first check valve (101) and a second check valve (102). The oil inlet of the first check valve (101) is connected to an oil suction pipe, which is used to insert into the oil to be sampled. The oil outlet of the second check valve (102) is fixedly fitted with an oil collection bottle cap (3), which is used to connect to the oil collection bottle. The valve body of the first check valve (101) is also provided with two oil channels, one of which is connected to the oil pump and the other is connected to the oil inlet of the second check valve (102). The oil extractor is used to extract the oil to be sampled through the oil suction pipe and the first one-way valve (101), and after extraction, the sampled oil is pressed into the oil collection bottle through the first one-way valve (101) and the second one-way valve (102).

2. The simplified oil sample extractor according to claim 1, characterized in that: The oil extractor is a piston-type cylinder, including a cylinder body (201), a piston (202) and a piston rod (203). The front end of the cylinder body (201) is integrated with a three-way valve into a single structure. The piston (202), which is fixed to the front end of the piston rod (203), is slidably disposed in the cylinder body (201).

3. A simple oil sample extractor as claimed in claim 2, wherein: The capacity of the cylinder body (201) is 100ml-200ml. The cylinder body (201) also serves as the hand handle of the oil sample extractor. The shell of the cylinder body (201) is transparent and has scale lines. The piston rod (203) has a piston handle at the end.

4. The simple oil sample extractor according to claim 1, characterized in that: The valve cores of the first check valve (101) and the second check valve (102) are both spherical structures, and the springs of the first check valve (101) and the second check valve (102) are both conical pressure springs; the valve core of the first check valve (101) is close to its oil inlet end, and the valve core of the second check valve (102) is close to its oil inlet end.

5. A simple oil sample extractor as claimed in claim 2, wherein: The first check valve (101), the second check valve (102), and the cylinder body (201) are connected by a threaded seal ring.

6. The simple oil sample extractor according to claim 1, characterized in that: The first check valve (101) and the second check valve (102) are arranged perpendicularly at 90 degrees, and the oil pump is arranged parallel to the first check valve (101).

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