High-viscosity emulsion sampler

Abstract

The utility model relates to the technical field of sampling detection, in particular to a high-viscosity emulsion sampler which comprises a sampling head and a cylinder body, one end of the sampling head is fixedly connected with the cylinder body, the cylinder body is provided with a sampling component, the sampling component comprises an end cover, a pull rod and a piston, one end of the end cover is fixedly connected with the cylinder body, and the piston is arranged on the pull rod. According to the utility model, the rubber bowl is connected with the movable ring on the sleeve, the sampler is stuffed into the connecting pipe, then the rubber bowl is sleeved on the outer surface of the connecting pipe, then the valve switch is opened, the sampler is pushed to extend into materials in a reaction kettle, and then the pull rod is pulled, so that the sampler can be used for sampling the materials in the reaction kettle. The pull rod drives the piston to move in the piston rod, the polyurethane adhesive is sucked into the sampling head according to the principle of pressure difference, sampling work is completed, loss of nitrogen in the reaction kettle is avoided, and meanwhile, external air is also prevented from entering the reaction kettle to pollute materials.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling detection technical field especially relates to high sticky emulsion sampler. BACKGROUND

[0002] With the continuous development of society, the continuous progress of science and technology, polyurethane adhesive is a kind of adhesive containing urethane group or isocyanate group in molecular chain, according to its chemical composition, polyurethane adhesive is mainly divided into two categories of polyisocyanate and polyurethane, polyisocyanate molecular chain contains isocyanate group and urethane group, so it shows high activity and polarity, and can form excellent chemical bonding force with various substrates containing active hydrogen.

[0003] The production process of the existing polyurethane adhesive needs to be carried out in a vacuum state, and when sampling and detecting, a certain amount of nitrogen needs to be filled into the reaction kettle to break the vacuum state, and then the sample is scooped out through the manhole (the kettle is in a slight positive pressure), which will cause serious loss of nitrogen in the reaction kettle, resulting in waste of nitrogen, and at the same time, external air will enter the reaction kettle, polluting the polyurethane adhesive in the reaction kettle and affecting the product quality. UTILITY MODEL CONTENT

[0004] The utility model discloses a high sticky emulsion sampler, which can realize sampling and detecting in a vacuum state without filling nitrogen into the reaction kettle, so that the loss of nitrogen in the reaction kettle is reduced, the waste of nitrogen is avoided, the external air cannot enter the reaction kettle, the polyurethane adhesive in the reaction kettle is not polluted, and the product quality is improved.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] The high sticky emulsion sampler comprises a sampling head and a cylinder body, one end of the sampling head is fixedly connected with the cylinder body;

[0007] The cylinder is equipped with a sampling component, which includes an end cap, a pull rod, and a piston. One end of the end cap is fixedly connected to the cylinder, and the other end of the end cap is fixedly connected to a sleeve. The end cap has a through hole, and the pull rod is slidably connected to the through hole. The piston is slidably connected to the cylinder. Grooves are formed at both ends of the piston, and O-rings are slidably connected to each of the two grooves. One end of the pull rod is fixedly connected to the piston, and the pull rod is slidably connected to the sleeve. An annular groove is formed at the end of the cylinder near the sampling head, and a gasket is fixedly connected to the annular groove. One side surface of the gasket is fixedly connected to the sampling head. A movable groove is formed on the outer surface of the sleeve, and a movable ring is slidably connected to the outer surface of the movable groove.

[0008] Preferably, a compression ring is slidably connected to one side of the moving ring, a sealing groove is formed on the outer surface of the moving ring, a sealing ring is fixedly connected to the outer surface of the compression ring near the sealing groove, and the sealing ring is slidably connected in the sealing groove.

[0009] Preferably, a fixing block is fixedly connected to the upper surface of the movable ring, the fixing block has a threaded hole, and a threaded rod is threadedly connected to the threaded hole.

[0010] Preferably, an arc-shaped block is fixedly connected to one end of the movable ring near the fixed block, and a sphere is fixedly connected to one end of the threaded rod near the arc-shaped block, with the sphere slidably connected to the arc-shaped block.

[0011] Preferably, each end of the movable ring is fixedly connected to a movable chamber, and a rotating shaft is rotatably connected to each movable chamber.

[0012] Preferably, a movable plate is threadedly connected to the outer surface of the rotating shaft, the movable plate is slidably connected to the movable chamber, and a clamping plate is fixedly connected to one end of the movable plate, the outer surface of the clamping plate being arc-shaped.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. The sampler is inserted into the connecting pipe by connecting the rubber cup to the moving ring on the sleeve. Then, the rubber cup is fitted onto the outer surface of the connecting pipe. The valve is then opened, and the sampler is pushed into the material in the reactor. The lever is then pulled, and the lever drives the piston to move inside the piston rod. Using the principle of pressure difference, the polyurethane adhesive is drawn into the sampling head, completing the sampling work. This avoids the loss of nitrogen in the reactor and also prevents outside air from entering the reactor and causing pollution, which would affect product quality.

[0015] 2, through the effect of the sealing ring on the moving ring, the rubber bowl is tightly attached to the moving ring, air from the outside is prevented from entering the reaction kettle due to the movement of the rubber bowl, the sliding between the moving ring and the sleeve replaces the movement between the rubber bowl and the sleeve, thereby reducing the friction and making the movement smoother, the clamping plate outside the moving ring can effectively ensure that the rubber bowl and the valve port are in a pressed state at all times, preventing the rubber bowl from falling off during sampling and causing air to enter the reaction kettle and cause pollution. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A front structure schematic view of the high-stick emulsion sampler is provided in the utility model.

[0017] Figure 2 A cylinder internal structure schematic view of the high-stick emulsion sampler is provided in the utility model.

[0018] Figure 3 A moving ring structure schematic view of the high-stick emulsion sampler is provided in the utility model.

[0019] Figure 4 A fixed block internal structure schematic view of the high-stick emulsion sampler is provided in the utility model.

[0020] In the drawing: 1 sampling head, 2 cylinder, 3 end cover, 4 sleeve, 5 pull rod, 6 piston, 7 moving groove, 8 moving ring, 9 moving chamber, 10 rotating shaft, 11 moving plate, 12 clamping plate, 13 extrusion ring, 14 sealing ring, 15 fixed block, 16 threaded rod, 17 arc block, 18 ball, 19 O-ring, 20 gasket. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0022] The terms such as "up", "down", "left", "right", "middle" and "one" cited in the utility model are only for the convenience of clear description, not to limit the scope of the utility model that can be implemented, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model that can be implemented without substantial change of the technical content.

[0023] REFERENCE Figures 1-4The utility model provides a high viscosity emulsion sampler, including sampling head 1 and cylinder body 2, one end of sampling head 1 is fixedly connected with cylinder body 2, and sampling head 2 is installed with sampling part, and the sampling part includes end cover 3, pull rod 5 and piston 6, one end of end cover 3 is fixedly connected with cylinder body 2, and the other end of end cover 3 is fixedly connected with sleeve 4, sleeve 4 is hollow, end cover 3 is provided with through -hole, pull rod 5 is slidably connected in the through -hole, and the radius of through -hole is slightly larger than pull rod 5, can prevent the air in sleeve 4 from entering cylinder body 2, piston 6 is slidably connected in cylinder body 2, and the both ends of piston 6 are provided with recess respectively, and the both ends of piston 6 are slidably connected with O -ring 19 respectively, one end of pull rod 5 is fixedly connected with piston 6, and pull rod 5 is slidably connected with sleeve 4, and the end of cylinder body 2 close to sampling head 1 is provided with annular groove, and annular groove is fixedly connected with gasket 20, one side surface of gasket 20 is fixedly connected with sampling head 1, and gasket 20 can effectively avoid the air leakage between sampling head 1 and cylinder body 2, and the outer surface of sleeve 4 is provided with moving groove 7, and moving ring 8 is slidably connected on the outer surface of moving groove 7.

[0024] One side of moving ring 8 is slidably connected with extrusion ring 13, and extrusion ring 13 is composed of two semicircular rings, the outer surface of moving ring 8 is provided with sealing groove, the outer surface of extrusion ring 13 close to sealing groove is fixedly connected with sealing ring 14, the size of sealing ring 14 corresponds with sealing groove, can reduce the air into sealing groove, sealing ring 14 is slidably connected in sealing groove, the upper surface of moving ring 8 is fixedly connected with fixed block 15, fixed block 15 is provided with threaded hole, and threaded rod 16 is screw connected in threaded hole, and the upper end of threaded rod 16 is provided with rotating disc, one end of moving ring 8 close to fixed block 15 is fixedly connected with arc block 17, one end of threaded rod 16 close to arc block 17 is fixedly connected with ball 18, ball 18 is slidably connected with arc block 17, and the both ends of moving ring 8 are fixedly connected with moving chamber 9 respectively, moving chamber 9 is hollow, rotating shaft 10 is rotatably connected in moving chamber 9, and moving plate 11 is screw connected on the outer surface of rotating shaft 10, moving plate 11 is slidably connected with moving chamber 9, and one end of moving plate 11 is fixedly connected with clamping plate 12, and the outer surface of clamping plate 12 is arc-shaped.

[0025] The utility model discloses, first, the appropriate nitrogen gas is rushed into the reaction kettle, breaks the vacuum state in the reaction kettle, and the rubber bowl is sleeved on the moving ring 8 of the sleeve pipe 4, and the rubber bowl is prior art, and the rubber bowl radius is configured according to the field pipe radius size, so as to guarantee the adaptability of rubber bowl and pipe, then the sampler is put into the pipe, and the rubber bowl is sleeved on the pipe outer surface, guarantees that the outer surface is closely combined with rubber bowl inboard, opens the valve at this time, and pushes the sampler to enter the material in the reaction kettle, then pulls the pull rod 5, and the pull rod 5 pulls the piston 6 and moves horizontally in the cylinder body 2, and the O ring 19 on the piston 6 has sealing performance, so that the pressure difference generated in the cylinder body 2, the polyurethane adhesive in the reaction kettle is inhaled into the sampling head 1, and the sampling work is completed, and this working mode avoids the nitrogen gas loss in the reaction kettle, and also avoids the external air into the reaction kettle and causes pollution, and influences product quality.

[0026] When the rubber bowl is sleeved on the pipe, by rotating two rotating shafts 10, two rotating shafts 10 move the moving plate 11 centrally, and the moving plate 11 moves the clamping plate 12, so that the clamping plate 12 can be closely combined with the surface of the rubber bowl, and the clamping work of the rubber bowl is completed, and the rubber bowl is prevented from falling off due to the movement of the sampler during sampling, when the rubber bowl is fixedly connected with the moving ring 8, the threaded rod 16 is rotated, the threaded rod 16 moves downward, the spherical ball 18 at the lower end of the threaded rod 16 extrudes the arc block 17, the arc block 17 is pushed to move the extrusion ring 13 in the direction of the rubber bowl under the action of pressure, so that the extrusion ring 13 drives the sealing ring 14 to move, the sealing ring 14 is closely combined with the surface of the rubber bowl and has a certain fastening effect, and the gap between the moving ring 8 and the rubber bowl is blocked by the movement of the sealing ring 14, so that external air is prevented from entering the reaction kettle through the gap and polluting the polyurethane adhesive, and the friction sliding between the moving ring 8 and the sleeve pipe 4 is used instead of the friction sliding between the rubber bowl and the sleeve pipe 4, so that the friction can be effectively reduced, and the movement is more smooth.

[0027] In the utility model, unless another definite provision and limitation, the terms "installation", "connection", "connect", "fix" and so on terms should do broad sense understanding.

[0028] The above only for the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the utility model disclosed technical range, according to the utility model technical scheme and the utility model concept, equivalent replacement or change, all should be covered in the protection scope of the utility model.

Claims

1. High viscosity emulsion sampler comprising a sampling head (1) and a cylinder (2), characterized in that, One end of the sampling head (1) is fixedly connected with the cylinder body (2); The cylinder body (2) is provided with a sampling component, the sampling component comprises an end cover (3), a pull rod (5) and a piston (6), one end of the end cover (3) is fixedly connected with the cylinder body (2), the other end of the end cover (3) is fixedly connected with a sleeve (4), the end cover (3) is provided with a through hole, the pull rod (5) is slidingly connected in the through hole, the piston (6) is slidingly connected in the cylinder body (2), the piston (6) is provided with a groove at two ends respectively, O-rings (19) are slidingly connected in the two grooves respectively, one end of the pull rod (5) is fixedly connected with the piston (6), the pull rod (5) is slidingly connected with the sleeve (4), the cylinder body (2) is provided with an annular groove at one end close to the sampling head (1), a gasket (20) is fixedly connected in the annular groove, one side surface of the gasket (20) is fixedly connected with the sampling head (1), a moving groove (7) is formed in the outer surface of the sleeve (4), and a moving ring (8) is slidingly connected on the outer surface of the moving groove (7).

2. The high viscosity emulsion sampler of claim 1, wherein, One side of the moving ring (8) is slidingly connected with an extrusion ring (13), a sealing groove is formed in the outer surface of the moving ring (8), and a sealing ring (14) is fixedly connected on the outer surface of the extrusion ring (13) close to the sealing groove.

3. The high viscosity emulsion sampler of claim 1, wherein, The outer surface of the moving ring (8) is fixedly connected with a fixed block (15), the fixed block (15) is provided with a threaded hole, and a threaded rod (16) is threadedly connected in the threaded hole.

4. The high viscosity emulsion sampler of claim 3, wherein, One end of the moving ring (8) close to the fixed block (15) is fixedly connected with an arc-shaped block (17), one end of the threaded rod (16) close to the arc-shaped block (17) is fixedly connected with a ball (18), and the ball (18) is slidingly connected with the arc-shaped block (17).

5. The high viscosity emulsion sampler of claim 1, wherein, Both ends of the moving ring (8) are fixedly connected with moving chambers (9), and rotating shafts (10) are rotatably connected in the moving chambers (9).

6. The high viscosity emulsion sampler of claim 5, wherein, The outer surface of the rotating shaft (10) is threadedly connected with a moving plate (11), the moving plate (11) is slidingly connected with the moving chamber (9), one end of the moving plate (11) is fixedly connected with a clamping plate (12), and the outer surface of the clamping plate (12) is arc-shaped.

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