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CN-224216353-U - Sampling device for realizing quantification

CN224216353UCN 224216353 UCN224216353 UCN 224216353UCN-224216353-U

Abstract

The utility model discloses a sampling device for realizing quantification, which relates to the technical field of sampling and comprises a sampling tube, wherein a pull rod is connected in a sliding way in the sampling tube, a piston plate is fixedly arranged at one end of the pull rod extending to the inside of the sampling tube, a fixed block is fixedly arranged on the surface of the sampling tube, a slide rod is connected in a sliding way in the fixed block, a limiting slide plate is fixedly sleeved on the slide rod, the limiting slide plate is in sliding connection in the fixed block, a reset spring is movably sleeved on the slide rod, the upper end of the reset spring is fixedly connected with the limiting slide plate, so that a sealing cover is not contacted with a suction inlet of the sampling tube, the sampling tube is opened, the slide rod is reset through the elastic force of the reset spring when the slide rod is not pressed, the sliding rod is reset, the suction inlet of the sampling tube is sealed by the sealing cover, external impurities are prevented from entering the inside of the sampling tube when the sampling tube is not used, the protection of the sampling tube is improved, and the tightness of the sampling tube is ensured.

Inventors

  • DONG WENJING
  • MENG XIANGSHENG
  • TANG WENJUAN

Assignees

  • 山东嘉虹化工有限公司

Dates

Publication Date
20260508
Application Date
20241104

Claims (8)

  1. 1. A sampling device for realizing quantification comprises a sampling tube (1) and is characterized in that a pull rod (5) is connected to the inside of the sampling tube (1) in a sliding manner, a piston plate (8) is fixedly arranged at one end of the pull rod (5) extending to the inside of the sampling tube (1), a fixed block (2) is fixedly arranged on the surface of the sampling tube (1), a slide rod (4) is connected to the inside of the fixed block (2) in a sliding manner, a limiting slide plate (10) is fixedly sleeved on the slide rod (4), a reset spring (9) is movably sleeved on the slide rod (4), the upper end of the reset spring (9) is fixedly connected with the limiting slide plate (10), the lower end of the reset spring (9) is fixedly connected with the inner wall of the fixed block (2), and a sealing cover (3) is fixedly arranged at the lower end of the slide rod (4).
  2. 2. A sampling device for quantitative determination according to claim 1, wherein the sampling tube (1) is provided with graduations.
  3. 3. A quantitative sampling device according to claim 2, characterized in that the upper end of the slide bar (4) is hemispherical.
  4. 4. A quantitative sampling device according to claim 3, wherein a slide (12) is provided at the top of the fixed block (2), and a slider (13) is slidably connected to the inside of the slide (12).
  5. 5. The sampling device for realizing quantitative measurement according to claim 4, wherein a limiting guide rod (15) is fixedly arranged in the slide way (12), the surface of the limiting guide rod (15) is in sliding connection with the inside of the slide block (13), an elastic spring (14) is movably sleeved on the surface of the limiting guide rod (15), one end, close to the slide block (13), of the elastic spring (14) is fixedly connected with the slide block (13), and one end, far away from the slide block (13), of the elastic spring (14) is fixedly connected with the slide way (12).
  6. 6. A quantitative sampling device according to claim 5, wherein the top of the slide block (13) is fixedly provided with a squeezing block (6).
  7. 7. The sampling device for quantitative measurement according to claim 6, wherein the extrusion block (6) has an inclined shape, the extrusion block (6) contacts with the upper end of the slide bar (4), a driving groove (11) is formed on one side of the slide bar (5), the driving groove (11) is arranged in an inclined shape, and one end of the extrusion block (6) slides in the driving groove (11).
  8. 8. A quantitative sampling device according to claim 7, wherein the extrusion block (6) is rotatably connected with a rotating wheel (7) at one end of the inside of the driving groove (11), and the rotating wheel (7) is rotatably connected with the inside of the driving groove (11).

Description

Sampling device for realizing quantification Technical Field The utility model relates to the technical field of sampling, in particular to a sampling device for realizing quantification. Background Propionyl chloride handling precautions, sealing handling, providing adequate local venting. Operators must be trained specifically to follow the operating regulations. The operator is recommended to wear a self-priming filter gas mask (full face mask), a rubberized fabric gas mask, and rubber oil resistant gloves. And the smoke is strictly forbidden in the workplace far from the fire and the heat source. Explosion-proof ventilation systems and devices are used. Avoiding generating smoke. Preventing smoke and vapors from being released into the workplace atmosphere. Avoiding contact with oxidant, alcohols and alkali. Care is particularly taken to avoid contact with water. The package and the container are prevented from being damaged by light loading and light unloading during carrying. Corresponding fire-fighting equipment and leakage emergency treatment equipment are provided. The emptied container may remain hazardous. According to the retrieval, the prior Chinese patent publication No. CN202022852617.X provides a propionyl chloride sampling device, the air bag is arranged on the outer side of the sampling tube, the gap between the sampling tube and a bung hole can be plugged by inflating the air bag during sampling, the purpose of preventing material from volatilizing and leaking is achieved, the scale arranged on the wall of the sampling tube can record the sampling depth, the accuracy of a sample is ensured, the sampling process can be faster and more convenient due to the fact that the piston is matched with the one-way valve arranged on the discharging tube, the sample is not exposed in the air all the time, and the volatilization of the material is reduced. Although the above patent can prevent the volatilization and leakage of materials, the propionyl chloride sampling device has the following problems that when not in use, the pipe orifice of the sampling pipe cannot be sealed, and external impurities are easy to enter the inside of the sampling pipe. To solve the above problems, a sampling device for realizing quantitative measurement is proposed. Disclosure of utility model The utility model aims to at least solve one of the technical problems in the prior art, and provides a sampling device for realizing quantification, which can solve the problems in the background art. The quantitative sampling device comprises a sampling tube, wherein a pull rod is connected to the inside of the sampling tube in a sliding manner, a piston plate is fixedly arranged at one end of the pull rod extending to the inside of the sampling tube, a fixed block is fixedly arranged on the surface of the sampling tube, a sliding rod is connected to the inside of the fixed block in a sliding manner, a limiting sliding plate is fixedly sleeved on the sliding rod in a sliding manner, the limiting sliding plate is fixedly connected to the inside of the fixed block in a sliding manner, a reset spring is movably sleeved on the sliding rod, the upper end of the reset spring is fixedly connected with the limiting sliding plate, the lower end of the reset spring is fixedly connected with the inner wall of the fixed block, and a sealing cover is fixedly arranged at the lower end of the sliding rod. Preferably, the sampling tube is provided with a scale. Preferably, the upper end of the sliding rod is hemispherical. Preferably, a slide way is arranged at the top of the fixed block, and a slide block is connected inside the slide way in a sliding way. Preferably, the inside fixed mounting of slide has the restriction guide arm, and the surface of restriction guide arm and the inside sliding connection of slider have movably sleeved elastic spring on the surface of restriction guide arm, and the one end that elastic spring is close to the slider is fixed connection with the slider, and the one end that elastic spring kept away from the slider is fixed connection with the slide. Preferably, the top of the sliding block is fixedly provided with an extrusion block. Preferably, the shape of extrusion piece one side is slope form, and extrusion piece is contacted with the upper end of slide bar, and the drive slot has been seted up to one side of pull rod, and the drive slot is slope form setting, and the one end of extrusion piece slides in the inside of drive slot. Preferably, the extrusion block is rotatably connected with a rotating wheel at one end of the inside of the driving groove, and the rotating wheel is in rolling connection with the inside of the driving groove. Compared with the prior art, the utility model has the beneficial effects that: (1) This realize quantitative sampling device makes sealed lid not in contact with the sunction inlet of sampling tube, and then opens the sampling tube, when not pressing the slide bar, the sl