Portable glass tube sampler with electromagnetic valve

Abstract

The utility model discloses a portable glass tube sampler with an electromagnetic valve. The portable glass tube sampler comprises a waterproof battery box, an electromagnet component, a fixing ring, a valve rod, an axially through glass tube, a sealing cover and a spring, the waterproof battery box and the fixing ring are connected to the top end and the bottom end of the electromagnet part respectively; the fixing ring is detachably connected with the electromagnet component, and a circle of limiting protrusions are arranged in the inner wall of the fixing ring. The valve rod slides on the limiting protrusion, a magnet cap is arranged at the top end of the valve rod, the limiting protrusion limits the valve rod to move downwards, and the spring is connected to the valve rod in a sleeving mode and abuts against the position between the magnet cap and the limiting protrusion. The fixing ring is detachably connected with the glass tube, and a vent hole communicated with the glass tube is formed in the fixing ring; the valve rod penetrates through the glass tube, and a sealing cover capable of initially sealing the glass tube is fixed at the tail end of the valve rod; the valve rod moves downwards to enable the sealing cover to open the glass tube, and the electromagnet is powered off to enable the sealing cover to reset. The operation is convenient, and the loss or pollution of samples is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of liquid sampling, and in particular to a portable glass tube sampler with a solenoid valve. Background Technology

[0002] For containers such as drums or tank trucks containing liquids, it is necessary to extract liquid samples from different depths. Especially when sampling liquids at the bottom of the container, the sampler typically covers the bottom of the glass tube with their finger and then quickly opens their finger to allow the liquid to enter the tube. This method requires leaving space for the hand, is not ideal for sampling liquids near the bottom of the container, and easily contaminates the glass tube and the sampled liquid.

[0003] Therefore, a glass tube sampler that is easy to operate and suitable for sampling liquids at great depths is needed. Utility Model Content

[0004] The purpose of this invention is to provide a glass tube sampler that is simple to operate and suitable for sampling liquids at great depths.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A portable glass tube sampler with a solenoid valve includes a waterproof battery box, an electromagnet component, a retaining ring, a valve stem, an axially penetrating glass tube, a sealing cap, and a spring.

[0007] The electromagnet component is provided with a waterproof single-coil electromagnet, and the waterproof battery box and the retaining ring are respectively sealed and connected to the top and bottom of the electromagnet component.

[0008] The waterproof battery box contains a battery that powers the electromagnet.

[0009] The inner wall of the fixing ring is provided with a limiting protrusion in the middle;

[0010] The valve stem slides with the limiting protrusion, a magnetic cap is provided at the top of the valve stem, the limiting protrusion restricts the valve stem from moving downward, and the spring is sleeved on the valve stem and abuts between the magnetic cap and the limiting protrusion;

[0011] The glass tube and the fixing ring are detachably connected and fitted into the glass tube, and the fixing ring has a vent hole that communicates with the glass tube;

[0012] The valve stem passes through the glass tube, and the end of the valve stem is fixed with the sealing cap that is initially capable of sealing the glass tube;

[0013] The waterproof battery box is equipped with a switch for a switching electromagnet. When the electromagnet is energized, the valve stem moves down to open the glass tube with the sealing cover, and when the electromagnet is de-energized, the sealing cover resets.

[0014] Furthermore, it also includes a rubber outer tube cleaning ring, which can be attached to the glass tube and can move up and down, and the outer tube cleaning ring is provided with a handle plate.

[0015] Furthermore, the retaining ring is detachably connected to the electromagnet component.

[0016] Furthermore, a fixing ring is fixed to the inner wall of the fixing ring located below the limiting protrusion. The fixing ring is used to tighten the top end of the glass tube. When subjected to external force, the glass tube can be pulled off the fixing ring.

[0017] Furthermore, the electromagnet component includes an inner shell fixed to the electromagnet, and the inner shell is provided with a ring at the bottom end of the electromagnet. The ring is threaded and threadedly connected to the inner wall of the fixed ring; the valve stem is sleeved inside the ring.

[0018] In the above technical solution, the portable glass tube sampler with a solenoid valve of this utility model has the following beneficial effects:

[0019] Portable glass tube samplers are suitable for containers such as barrelled liquids or liquid tank trucks. They can extract liquid samples from different depths. In particular, the bottom of the glass tube is the sampling port, which can be inserted into liquids at great depths for sampling.

[0020] The glass tube is connected to a remote control switch. The sampling port and discharge port of the glass tube are shared, both located at the bottom of the tube. The switch controls the flow of liquid from the sampling port into the glass tube, which serves as the sampling chamber. A single-coil solenoid valve is used. Its working principle is as follows: When energized, the coil generates a magnetic field, causing the moving iron core to attract or push the valve stem open. When de-energized, the magnetic field disappears, and the valve returns to its original position under the action of the spring. The solenoid valve controls the opening and closing of the sampling port.

[0021] Portable glass tube samplers are simple to implement and easy to operate. The glass tube can be removed separately, and it can accurately obtain sample liquids from large depths, which helps to reduce sample loss or contamination and improve sample quality and accuracy. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0023] Figure 1 A schematic diagram of the portable glass tube sampler provided by this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the outer tube cleaning ring provided by this utility model. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0026] It should be noted that the terms "above," "one end," "up," etc. used in this document indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description. Similar expressions are only for illustrative purposes and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "part," "two parts," etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] like Figure 1-2 The portable glass tube sampler with a solenoid valve shown includes a waterproof battery box 1, an electromagnet component, a retaining ring 3, a valve stem 4, an axially penetrating glass tube 5, a sealing cap 6, and a spring 8.

[0028] The electromagnet component includes a waterproof electromagnet 2, which can be used underwater. A waterproof battery box 1 and a retaining ring 3 are respectively sealed and connected to the top and bottom of the electromagnet component. The waterproof battery box 1, the electromagnet component, and the retaining ring 3 are arranged sequentially from top to bottom. The waterproof battery box 1 and the retaining ring 3 are both integrated into the electromagnet component, preferably into the housing of the electromagnet 2.

[0029] Optionally, waterproof adhesive can be used to glue the waterproof battery box 1 and the fixing ring 3 to the upper and lower surfaces of the electromagnet 2 housing, respectively, so that liquid does not enter the glass tube 5 from the outer surface of the upper end of the sampler.

[0030] Optionally, the electromagnet component has a ring of outer shell around the housing of electromagnet 2, and both ends of the outer shell are connected to the waterproof battery box 1 and the fixing ring 3 by sealing rings (not shown in the figure).

[0031] The waterproof battery box 1 contains a battery that powers the electromagnet 2; the waterproof battery box 1 is equipped with a switch 11 for switching the electromagnet 2, and the switch 11 can change the energizing state of the electromagnet 2.

[0032] The fixing ring 3 is annular, with a limiting protrusion 31 in the middle of its inner wall and a limiting protrusion 31 in the middle of the height direction of the inner wall.

[0033] The valve stem 4 slides against the limiting protrusion 31. A magnetic cap is provided at the top of the valve stem 4, located above the limiting protrusion 31. The limiting protrusion 31 restricts the downward movement of the valve stem 4, and the spring 8 is sleeved on the valve stem 4 and abuts against the magnetic cap and the limiting protrusion 31. After the valve stem 4 moves downward under the drive of the electromagnet, it will return to its original position under the action of the spring.

[0034] The retaining ring 3 has a vent 32 that connects to the glass tube 5; the valve stem 4 passes through the glass tube 5, and the end of the valve stem 4 is fixed with a sealing cap 6 that can initially seal the glass tube 5. The glass tube 5 is fitted into the retaining ring 3.

[0035] A retaining ring 3 is placed on the top of the glass tube 5, which is axially penetrating to facilitate the passage of the valve stem 4 and to allow the opening at the top of the glass tube to directly connect with the vent hole 32. Driven by an electromagnet, the sealing cap 6 at the end of the valve stem 4 can detach from the glass tube, thus opening it. The vent hole 32 is used to expel or displace gas from the glass tube when liquid enters from the bottom. The vent hole 32 is angled, with its bottom end positioned at the opening at the top of the glass tube 5, and extends upwards and outwards to the outer surface of the retaining ring 3. The sealing cap 6 has a sealing ring on its edge, allowing it to fit tightly against the inner wall of the glass tube 6.

[0036] When electromagnet 2 is energized, valve stem 4 moves down, causing sealing cap 6 to open glass tube 5 for sampling. When electromagnet 2 is de-energized, sealing cap 6 returns to its original position, closing the glass tube. Sampling time is usually short, generally 1-2 seconds.

[0037] To facilitate cleaning the glass tube, a rubber outer tube cleaning ring is included. This outer tube cleaning ring adheres to the glass tube 5 and can move up and down. The outer tube cleaning ring is equipped with a handle. Utilizing the frictional properties of the rubber material, the outer tube cleaning ring can be manually moved to scrape away dirt from the outer surface of the glass tube. For ease of handling, the outer tube cleaning ring is equipped with a handle.

[0038] The preferred connection scheme for the relatively detachable connection between the retaining ring 3 and the glass tube 5 is as follows: A retaining rubber ring 7 is fixed to the inner wall of the retaining ring 3 below the limiting protrusion 31. The retaining rubber ring 7 is used to tighten the top end of the glass tube 5. When subjected to external force, the glass tube 5 can be pulled off the retaining rubber ring 7. The limiting protrusion 31 divides the inner wall of the retaining ring 3 into upper and lower parts. The upper part is used to install the valve stem, and the lower part is used to fit and fix the retaining rubber ring 7. The friction of the retaining rubber ring 7 is used to fix the top end of the glass tube 5. The outer surface of the glass tube is pressed tightly into the inner surface of the retaining rubber ring 7. The retaining rubber ring 7 also serves to isolate the glass tube and prevent contamination of the upper end of the glass tube.

[0039] To facilitate carrying the entire sampler, the retaining ring 3 is also detachable from the sampler. The electromagnet component includes an inner shell 23 fixed to the electromagnet 2. A ring is provided at the bottom end of the inner shell 23, protruding from the electromagnet. The outer surface of the ring is threaded and threadedly connected to the inner wall of the retaining ring 3. The ring fits onto the inner wall of the retaining ring 3 above the limiting protrusion. The valve stem 4 is fitted inside and extends into the ring. The ring is preferably made of metal.

[0040] More preferably, a sealing ring is clamped between the ring and the inner shell 23.

[0041] The glass tube is connected to a remote-controlled switch. The glass tube can be freely disassembled for easy cleaning. The sampling port and the discharge port are shared. The switch controls the liquid in the glass tube to flow out from the sampling port. The glass tube is used as a sampling chamber. The cleaning ring on the outer wall of the glass tube ensures that the liquid adhering to the outer wall of the glass tube is removed during the sampling process.

[0042] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A portable glass tube sampler with a solenoid valve, characterized in that, Includes a waterproof battery box (1), an electromagnet component, a retaining ring (3), a valve stem (4), an axially penetrating glass tube (5), a sealing cap (6), and a spring (8); The electromagnet component is provided with a waterproof single-coil electromagnet (2), and the waterproof battery box (1) and the fixing ring (3) are respectively sealed and connected to the top and bottom of the electromagnet component; The waterproof battery box (1) contains a battery that powers the electromagnet (2); The inner wall of the fixing ring (3) is provided with a limiting protrusion (31) in the middle; The valve stem (4) slides with the limiting protrusion (31). A magnet cap is provided at the top of the valve stem (4). The limiting protrusion (31) restricts the valve stem (4) from moving downward. The spring (8) is sleeved on the valve stem (4) and abuts between the magnet cap and the limiting protrusion (31). The glass tube (5) is detachably connected to the fixing ring (3) and is fitted into the fixing ring (3). The fixing ring (3) has a vent hole (32) that communicates with the glass tube (5). The valve stem (4) passes through the glass tube (5), and the end of the valve stem (4) is fixed with the sealing cap (6) that can initially seal the glass tube (5); The waterproof battery box (1) is equipped with a switch (11) for the electromagnet (2). When the electromagnet (2) is energized, the valve stem (4) moves down to open the glass tube (5) with the sealing cover (6). When the electromagnet (2) is de-energized, the sealing cover (6) returns to its original position.

2. A portable glass tube sampler with a solenoid valve according to claim 1, characterized in that, It also includes a rubber outer tube cleaning ring, which can be attached to the glass tube (5) and can move up and down. The outer tube cleaning ring is equipped with a handle.

3. A portable glass tube sampler with a solenoid valve according to claim 1, characterized in that, The inner wall of the fixing ring (3) located below the limiting protrusion (31) is fixed with a fixing rubber ring (7). The fixing rubber ring (7) is used to tighten the top end of the glass tube (5). When subjected to external force, the glass tube (5) can be pulled off the fixing rubber ring (7).

4. A portable glass tube sampler with a solenoid valve according to claim 1, characterized in that, The fixing ring (3) is detachably connected to the electromagnet component.

5. A portable glass tube sampler with a solenoid valve according to claim 4, characterized in that, The electromagnet component includes an inner shell (23) fixed to the electromagnet (2). The inner shell (23) has a ring at the bottom end of the electromagnet (2). The ring is threaded and threaded to the inner wall of the fixing ring (3). The valve stem (4) is sleeved inside the ring.

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