Sampling equipment capable of preparing sample and preventing pollution

Abstract

The utility model discloses anti-pollution sampling equipment capable of sample preparation, which relates to the technical field of chemical detection, and comprises an air suction cylinder and a sample preparation assembly, the outer side of the air suction cylinder is sleeved with an anti-slip sleeve, the interior of the air suction cylinder is slidably connected with a piston rod, and the sample preparation assembly is arranged at the left end of the air suction cylinder. The sample preparation assembly comprises a fixing ring, a connecting ring, a sample storage bottle, a bottle cap, a sealing ring and a hose. According to the sampling equipment capable of preparing the sample and preventing pollution, through the arrangement of the sample preparation assembly, during sampling, a sample storage bottle can be quickly mounted at the end part of an air suction barrel by utilizing a connecting ring and a fixing ring, then a hose is placed in a product to be sampled, and at the moment, the friction force between a hand and the air suction barrel can be increased through an anti-skid sleeve; the piston rod is pulled so that negative pressure can be formed at the left end of the air suction cylinder, the sealing ring can seal the bottle cap and the sample storage bottle, raw materials can be sucked into the sample storage bottle by the hose, and the top of the hose is lower than the air suction cylinder, so that samples can be prevented from entering the air suction cylinder to cause pollution.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical detection, in particular to a sampling device capable of preparing samples and preventing pollution. Background Art

[0002] Chemistry is a basic natural science that studies the composition, structure, properties, transformation and application of matter at the atomic and molecular levels. Currently, sampling equipment is often needed in chemical testing to take samples of the products to be tested.

[0003] For example, the utility model with application number CN202123357271.7 discloses a special sampling device for cosmetics testing. The utility model is convenient for people to sample and test the cosmetics after production by setting a syringe, a fixed block, a piston rod, a connecting block, a connecting frame, a turntable, a rotating rod, a rectangular block, a limit block, a connecting rod and a rotating block. At the same time, two groups of different types of cosmetics can be sampled at one time. The operation is simple and convenient, and it is convenient for people to carry and is conducive to practical use. However, when preparing multiple samples, this type of sampling device needs to transport the sample inside the syringe to a container for storing the sample after sampling, and clean and dry the inner wall of the syringe. If it is not cleaned thoroughly and there is residue, it is also easy to affect the accuracy of subsequent chemical testing due to cross contamination.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a sampling device that can prepare samples and prevent pollution is provided. Utility Model Content

[0005] The utility model aims to provide a sampling device capable of preparing samples and preventing pollution, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sampling device capable of sample preparation and pollution prevention, comprising a vacuum cylinder and a sample preparation component, the outer side of the vacuum cylinder is sleeved with an anti-slip sleeve, and the interior of the vacuum cylinder is slidably connected with a piston rod, the sample preparation component is arranged at the left end of the vacuum cylinder, the sample preparation component comprises a fixing ring, a connecting ring, a sample storage bottle, a bottle cap, a sealing ring and a hose, a fixing ring is arranged on the left side of the vacuum cylinder, and the internal thread of the fixing ring is connected with a connecting ring, a sample storage bottle is fixed to the left end of the connecting ring, and a bottle cap is embedded on the top of the sample storage bottle, and a sealing ring is sleeved on the outer side of the lower end of the bottle cap, and a hose is connected to the left end of the sample storage bottle.

[0007] Furthermore, a sealing assembly is provided inside the sample storage bottle, and the sealing assembly includes a shift block and an anti-slip strip. The top of the bottle cap is connected to the shift block, and anti-slip strips are fixed on both sides of the shift block.

[0008] Furthermore, the sealing assembly also includes a baffle and a sealing strip. The baffles are fixed to both the front and rear ends of the bottom of the bottle cap, and the sealing strip is embedded on one side of the baffle.

[0009] Furthermore, the outer side of the baffle is arc-shaped, and the baffle is slidably connected to the sample storage bottle.

[0010] Furthermore, the sealing strip is rectangular, and the width of the sealing strip is greater than the diameter of the hose.

[0011] Furthermore, the sealing assembly also includes a block and a support, the block is fixed to the inner upper end of the sample storage bottle, and the four ends of the bottom of the sample storage bottle are connected to the support.

[0012] Furthermore, the sealing assembly also includes a fixing sleeve and a sealing plug. The lower left end of the sample storage bottle is connected to the fixing sleeve, and the sealing plug is arranged inside the fixing sleeve.

[0013] Furthermore, the inner diameter of the fixing sleeve is equal to the diameter of the hose, and the bottom of the fixing sleeve and the bottom of the support are located on the same horizontal plane.

[0014] The utility model provides a sampling device capable of preparing samples and preventing pollution, which has the following beneficial effects:

[0015] 1. The utility model provides a sample preparation component. When sampling, the sample storage bottle can be quickly installed on the end of the vacuum cylinder by using a connecting ring and a fixing ring, and then the hose is placed in the product to be sampled. At this time, the friction between the hand and the vacuum cylinder can be increased by the anti-slip sleeve, so that the piston rod is pulled to form a negative pressure at the left end of the vacuum cylinder, and the sealing ring can seal between the bottle cap and the sample storage bottle, so that the raw material can be sucked into the sample storage bottle by the hose, and the top of the hose is lower than the vacuum cylinder, so that the sample can be prevented from entering the vacuum cylinder and causing contamination. At the same time, since the sample is automatically prepared during the sampling process, cross contamination can be avoided during the sampling process by simply replacing the sample storage bottle.

[0016] 2. The utility model provides a sealing component. After sampling is completed, the bottle cap can be rotated by the dial block so that the baffle and the baffle are fitted together. The two baffles can respectively cover the upper end of the hose and the end of the connecting ring. At the same time, the sealing strip can improve the sealing performance between the baffle and the sample storage bottle, thereby preventing the internal sample from leaking. Before sampling, the sealing plug and the fixing sleeve can be used to cover and protect the end of the hose to prevent impurities from entering the sample storage bottle. After sampling, the hose can be inserted into the fixing sleeve again to fold the hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall front view cross-sectional structure of a sampling device capable of preparing samples and preventing pollution according to the utility model;

[0018] Figure 2 The utility model is a sampling device capable of preparing samples and preventing pollution. Figure 1 The enlarged structural diagram at A in the middle;

[0019] Figure 3 The utility model is a schematic diagram of the three-dimensional structure of a baffle of a sampling device capable of preparing samples and preventing pollution.

[0020] In the figure: 1. vacuum pump; 2. anti-slip sleeve; 3. piston rod; 4. sample preparation assembly; 401. fixing ring; 402. connecting ring; 403. sample storage bottle; 404. bottle cap; 405. sealing ring; 406. hose; 5. sealing assembly; 501. shift block; 502. anti-slip strip; 503. baffle; 504. sealing strip; 505. block; 506. support; 507. fixing sleeve; 508. sealing plug. DETAILED DESCRIPTION

[0021] The following is a further detailed description of the implementation of the present utility model in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present utility model, but cannot be used to limit the scope of the present utility model.

[0022] like Figure 1 and Figure 2 As shown, a sampling device capable of preparing samples and preventing pollution comprises a vacuum pump 1 and a sample preparation component 4. The outer side of the vacuum pump 1 is sleeved with an anti-slip sleeve 2, and the interior of the vacuum pump 1 is slidably connected with a piston rod 3, and the friction between the hand and the vacuum pump 1 can be increased by the anti-slip sleeve 2. The sample preparation component 4 is arranged at the left end of the vacuum pump 1, and the sample preparation component 4 comprises a fixing ring 401, a connecting ring 402, a sample storage bottle 403, a bottle cap 404, a sealing ring 405 and a hose 406. The fixing ring 401 is arranged on the left side of the vacuum pump 1, and the internal thread of the fixing ring 401 is connected with the connecting ring 402, and the connecting ring 402 and the fixing ring are connected. Ring 401 can improve the convenience during disassembly and assembly, a sample storage bottle 403 is fixed to the left end of the connecting ring 402, and a bottle cap 404 is embedded on the top of the sample storage bottle 403, and a sealing ring 405 is sleeved on the outer side of the lower end of the bottle cap 404, the sealing ring 405 will seal between the bottle cap 404 and the sample storage bottle 403, and a hose 406 is connected to the left end of the sample storage bottle 403. When the piston rod 3 is pulled to form a negative pressure at the left end of the vacuum cylinder 1, the raw material can be sucked into the sample storage bottle 403 by the hose 406, and the top of the hose 406 is lower than the vacuum cylinder 1, which can prevent the sample from entering the vacuum cylinder 1 and causing contamination.

[0023] like Figure 1 and Figure 3As shown, a sealing component 5 is provided inside the sample storage bottle 403, and the sealing component 5 includes a shifting block 501 and an anti-slip strip 502. The top of the bottle cap 404 is connected to the shifting block 501, and both sides of the shifting block 501 are fixed with anti-slip strips 502. The anti-slip strips 502 can increase the friction between the hand and the shifting block 501 to avoid slipping. The sealing component 5 also includes a baffle 503 and a sealing strip 504. The baffle 503 is fixed at both ends of the bottom of the bottle cap 404. , and a sealing strip 504 is embedded on one side of the baffle 503. The outer side of the baffle 503 is arc-shaped, and the baffle 503 is slidably connected to the sample storage bottle 403. When the sampling is completed, the bottle cap 404 can be rotated by the dial block 501 to make the baffle 503 fit with the baffle 505, so that the two baffles 503 can respectively cover the upper end of the hose 406 and the end of the connecting ring 402. The sealing strip 504 is rectangular, and the width of the sealing strip 504 is greater than the diameter of the hose 406. The sealing strip 504 will improve the sealing performance between the baffle 503 and the sample storage bottle 403, thereby preventing the internal sample from leaking. The sealing component 5 also includes a block 505 and a support 506. The block 505 is fixed to the inner upper end of the sample storage bottle 403, and the four ends of the bottom of the sample storage bottle 403 are connected to the support 506. The sealing component 5 also includes a fixing sleeve 507 and a sealing plug 508. The fixing sleeve 507 is connected to the lower left end of the sample storage bottle 403, and the fixing sleeve 506 is connected to the lower left end of the sample storage bottle 403. A sealing plug 508 is arranged inside the fixing sleeve 507, the inner diameter of the fixing sleeve 507 is equal to the diameter of the hose 406, and the bottom of the fixing sleeve 507 and the bottom of the support 506 are located on the same horizontal plane. Before sampling, the sealing plug 508 and the fixing sleeve 507 can be used to shield and protect the end of the hose 406 to prevent impurities from entering the sample storage bottle 403, and after sampling, the hose 406 can be inserted into the fixing sleeve 507 again to retract the hose 406.

[0024] In summary, when using the sampling device that can prepare samples and prevent pollution, first Figure 1 , Figure 2 and Figure 3According to the structure shown in the figure, the connecting ring 402 is first rotated onto the fixing ring 401, so that the sample storage bottle 403 can be quickly installed on the end of the vacuum cylinder 1, and then the bottle cap 404 is rotated by the dial block 501, so that the baffle 503 does not block the end of the hose 406. Next, the hose 406 inside the fixing sleeve 507 is pulled out and placed in the product to be sampled. At this time, the friction between the hand and the vacuum cylinder 1 can be increased by the anti-slip sleeve 2, so that the piston rod 3 is pulled to form a negative pressure at the left end of the vacuum cylinder 1, and the sealing ring 405 can seal between the bottle cap 404 and the sample storage bottle 403, so that the raw material can be sucked into the sample storage bottle 403 by the hose 406. Then, after the sampling is completed, it is only necessary to rotate the bottle cap 404 through the dial block 501 so that the baffle 503 fits with the baffle 505, so that the two baffles 503 can respectively cover the upper end of the hose 406 and the end of the connecting ring 402, and at the same time, the sealing strip 504 can improve the sealing performance between the baffle 503 and the sample storage bottle 403, and then the hose 406 is inserted into the fixed sleeve 507 to fold the hose 406, and at the same time, the sealing plug 508 will seal the end of the hose 406, and finally, the sample storage bottle 403 can be disassembled and replaced through the connecting ring 402 and the fixing ring 401, so as to sample multiple products.

[0025] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. A sampling device capable of preparing samples and preventing contamination, comprising a vacuum cylinder (1) and a sample preparation component (4), characterized in that: The outer side of the vacuum cylinder (1) is sleeved with an anti-slip sleeve (2), and the interior of the vacuum cylinder (1) is slidably connected with a piston rod (3). The sample preparation component (4) is arranged at the left end of the vacuum cylinder (1). The sample preparation component (4) comprises a fixing ring (401), a connecting ring (402), a sample storage bottle (403), a bottle cap (404), a sealing ring (405) and a hose (406). A fixing ring (401) is arranged on the left side of the vacuum cylinder (1), and the internal thread of the fixing ring (401) is connected with the connecting ring (402). The left end of the connecting ring (402) is fixed with a sample storage bottle (403), and the top of the sample storage bottle (403) is embedded with a bottle cap (404), and the outer side of the lower end of the bottle cap (404) is sleeved with a sealing ring (405), and the left end of the sample storage bottle (403) is connected with a hose (406).

2. A sampling device capable of preparing samples and preventing contamination according to claim 1, characterized in that: The interior of the sample storage bottle (403) is provided with a sealing assembly (5), and the sealing assembly (5) includes a shift block (501) and an anti-slip strip (502). The top of the bottle cap (404) is connected to the shift block (501), and anti-slip strips (502) are fixed on both sides of the shift block (501).

3. A sampling device capable of preparing samples and preventing contamination according to claim 2, characterized in that: The sealing assembly (5) further comprises a baffle (503) and a sealing strip (504); the baffles (503) are fixed to both the front and rear ends of the bottom of the bottle cap (404), and the sealing strip (504) is embedded on one side of the baffle (503).

4. A sampling device capable of preparing samples and preventing contamination according to claim 3, characterized in that: The outer side of the baffle (503) is arc-shaped, and the baffle (503) is slidably connected to the sample storage bottle (403).

5. The sampling device capable of preparing samples and preventing contamination according to claim 3, characterized in that: The sealing strip (504) is rectangular, and the width of the sealing strip (504) is greater than the diameter of the hose (406).

6. The sampling device capable of preparing samples and preventing contamination according to claim 3, characterized in that: The sealing assembly (5) further comprises a stopper (505) and a support (506); the stopper (505) is fixed to the inner upper end of the sample storage bottle (403), and the four ends of the bottom of the sample storage bottle (403) are all connected to the support (506).

7. A sampling device capable of preparing samples and preventing contamination according to claim 6, characterized in that: The sealing assembly (5) further comprises a fixing sleeve (507) and a sealing plug (508); the fixing sleeve (507) is connected to the lower left end of the sample storage bottle (403), and the sealing plug (508) is disposed inside the fixing sleeve (507).

8. The sampling device capable of preparing samples and preventing contamination according to claim 7, characterized in that: The inner diameter of the fixing sleeve (507) is equal to the diameter of the hose (406), and the bottom of the fixing sleeve (507) and the bottom of the support (506) are located on the same horizontal plane.

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