Liquid quantitative sterile sampler

Abstract

The utility model discloses a liquid quantitative sterile sampler, which relates to the technical field of auxiliary devices for liquid sampling, and is characterized in that a built-in piston block is arranged in a sampler main body, one side of the interior of the built-in piston block is provided with a definite time limit flow valve, and the definite time limit flow valve is fixedly connected with the built-in piston block through a clamping groove; two ventilation vertical grooves are formed in the lower portion of the definite time flow limiting valve; the limiting inner cushion blocks are arranged on the two sides of the fixed-time flow limiting valve, the limiting inner cushion blocks are connected with the built-in piston blocks in a pasted mode, and the rope ladder blocks are arranged on one sides of the limiting inner cushion blocks and connected with the limiting inner cushion blocks in a pasted mode; and the rope ladder block is provided with more than two. According to the quantitative sterile sampler for the liquid, ventilation can be carried out when the quantitative sterile sampler is used for extracting the liquid through the design of the fixed-time flow-limiting valve, so that the amount extracted by the quantitative sterile sampler is constant.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for liquid sampling, in particular to a liquid quantitative aseptic sampler. Background Technique

[0002] With the rapid development of China's economy, the tools used in scientific research sampling in China are also diverse. Among these sampling tools, the liquid sampler is the most frequently used. The emergence of the liquid sampler can effectively improve the efficiency of staff when sampling liquids.

[0003] The Chinese patent publication number is CN212482976U, and the authorization announcement date is February 5, 2021. A liquid sampler includes a sampler tank body. The bottom of the sampler tank body is provided with a liquid inlet, and the side is provided with a liquid discharge port. The tank mouth of the sampler tank body is provided with an upper sealing plate, and the tank bottom of the sampler tank body is provided with a lower sealing plate; when the upper sealing plate is opened, by placing the sampler tank body into the liquid to be sampled, the lower sealing plate is pushed up by hydraulic pressure, and the liquid enters the sampler tank body. After closing the upper sealing plate, the sampler tank body is lifted, and the lower sealing plate returns to its original position under the action of the gravity of the liquid in the tank to close the liquid inlet to complete the sampling. A limiting block is arranged in the bottom cavity of the sampler tank body, and the limiting block is used to limit the rising height of the lower sealing plate.

[0004] Although the above solution sets a lower sealing plate at the bottom of the sampler tank body and an upper sealing plate at the tank mouth of the sampler. When in use, the upper sealing plate is opened, and the liquid to be sampled uses the pressure difference to push up the lower sealing plate and enters the sampler tank body. After sampling is completed, the upper sealing plate is closed, and the sampled liquid uses its own gravity to press down the lower sealing plate, and the lower sealing plate closes the sampling port to complete the sampling. However, when it is in use, the problem that the sampling difficulty of the staff is increased due to the unequal liquid extraction amounts often occurs. For this, we propose a liquid quantitative aseptic sampler. Content of the Utility Model

[0005] The purpose of the utility model is to provide a liquid quantitative aseptic sampler to solve the problem that the existing liquid sampler often increases the sampling difficulty of the staff due to the unequal liquid extraction amounts when in use as mentioned in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A liquid quantitative aseptic sampler includes: a sampler main body,

[0007] A built-in piston block, which is arranged inside the sampler main body, and a timing flow-limiting valve is arranged on one side inside the built-in piston block. Moreover, the timing flow-limiting valve is fixedly connected to the built-in piston block through a card slot, and an air vent vertical groove is arranged below the timing flow-limiting valve, and there are two air vent vertical grooves;

[0008] The limiting inner cushion block is arranged on both sides of the timing current-limiting valve, and the limiting inner cushion block is adhesively connected to the built-in piston block. One side of the limiting inner cushion block is provided with a soft ladder block, and the soft ladder block is adhesively connected to the limiting inner cushion block, and there are more than two soft ladder blocks.

[0009] Preferably, a leak-proof rubber ring is arranged outside the built-in piston block, and the leak-proof rubber ring is fixedly connected to the built-in piston block. There are more than two leak-proof rubber rings. A transparent anti-adhesion inner pad is arranged on the inner wall of the sampler body, and the transparent anti-adhesion inner pad is fixedly connected to the sampler body through a card slot.

[0010] Preferably, an outer fixed square pad is arranged on one side of the outside of the sampler body, and the outer fixed square pad is adhesively connected to the sampler body. One side of the outer fixed square pad is provided with an anti-slip soft convex strip, and the anti-slip soft convex strip is adhesively connected to the outer fixed square pad. There are more than two anti-slip soft convex strips.

[0011] Preferably, a sampling nozzle is arranged below the sampler body, and the sampling nozzle and the sampler body are of an integral structure. An inner fixed ring block is arranged on the inner wall of the sampling nozzle, and the inner fixed ring block is fixedly connected to the sampling nozzle through a card slot. An anti-leakage inner flap block is arranged on the inner wall of the inner fixed ring block, and the anti-leakage inner flap block is adhesively connected to the inner fixed ring block. There are more than two anti-leakage inner flap blocks.

[0012] Preferably, a fixed round block is arranged at the upper end of the sampler body. Anti-slip round grooves are arranged outside the fixed round block, and there are more than two anti-slip round grooves. A fixed upper handle cover is arranged above the fixed round block. A round soft convex block is arranged at the upper end inside the fixed upper handle cover. An anti-shake ring block is arranged at the lower end of the fixed upper handle cover. Limiting conical blocks are arranged on both sides of the anti-shake ring block. Sterilization lamp tubes are arranged on both sides inside the anti-shake ring block. A light diffusing plate is arranged below the sterilization lamp tubes, and the light diffusing plate and the sterilization lamp tubes are fixedly connected to the anti-shake ring block through card slots.

[0013] Preferably, a washer fixing block is arranged above the limiting conical block, and the washer fixing block is fixedly connected to the fixed upper handle cover. A sealing washer is arranged at the lower end of the washer fixing block. A connecting inner cylinder is arranged at the middle position below the fixed upper handle cover, and the lower end of the connecting inner cylinder is fixedly connected to the built-in piston block. A cylindrical protective ring block is arranged outside the lower part of the connecting inner cylinder, and the cylindrical protective ring block is fixedly connected to the built-in piston block.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. Compared with the existing auxiliary devices for liquid sampling, this liquid quantitative sterile sampler is equipped with a timed flow-limiting valve. The design of the timed flow-limiting valve allows the device to ventilate when extracting liquid, so that the amount of liquid extracted by the device is constant, solving the problem that the existing liquid samplers often increase the sampling difficulty for staff because the amount of liquid extracted is not equal.

[0016] 2. Compared with the existing auxiliary devices for liquid sampling, this liquid quantitative sterile sampler is equipped with a sterilization lamp tube. The design of the sterilization lamp tube can effectively inhibit and eliminate the bacteria remaining inside the sampler body better, thus increasing the safety of the liquid storage environment and solving the problem that the existing liquid quantitative sterile samplers often have greater difficulty in storing liquid because the bacteria are not well treated.

[0017] 3. Compared with the existing auxiliary devices for liquid sampling, this liquid quantitative sterile sampler is equipped with a transparent anti-adhesion inner pad. The design of the transparent anti-adhesion inner pad can effectively reduce the adhesion of liquid to the inner wall of the device, thus effectively reducing the difficulty for staff to clean the device and solving the problem that the existing liquid samplers often increase the cleaning difficulty for staff because it is difficult to handle the dirt remaining on the inner wall of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the front view of the overall structure of the present utility model;

[0019] Figure 2 is the schematic diagram of the internal structure of the present utility model;

[0020] Figure 3 is the present utility model Figure 2 partial enlarged view of area A;

[0021] Figure 4 is the present utility model Figure 2 partial enlarged view of area B.

[0022] In the figure: 1, sampler body; 2, outer fixed square pad; 3, anti-slip soft convex strip; 4, fixed round block; 5, anti-slip round groove; 6, fixed upper handle cover; 7, round soft convex block; 8, sampling nozzle; 9, built-in piston block; 10, transparent anti-adhesion inner pad; 11, cylindrical protective ring block; 12, connecting inner cylinder; 13, anti-vibration ring block; 14, inner fixed ring block; 15, anti-leakage inner flap block; 16, sterilization lamp tube; 17, diffuser plate; 18, limiting conical block; 19, washer fixing block; 20, sealing washer; 21, timed flow-limiting valve; 22, limiting inner pad block; 23, anti-leakage rubber ring; 24, ventilation vertical groove; 25, soft ladder block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0024] Please refer to Figures 1-4 , an embodiment provided by the present utility model: a liquid quantitative aseptic sampler, including: a sampler main body 1,

[0025] An internal piston block 9 is provided inside the sampler main body 1, and a timing flow limiting valve 21 is provided on one side inside the internal piston block 9. Moreover, the timing flow limiting valve 21 is fixedly connected to the internal piston block 9 through a card slot, and an air vent vertical groove 24 is provided below the timing flow limiting valve 21, and there are two air vent vertical grooves 24;

[0026] Limit inner cushion blocks 22 are provided on both sides of the timing flow limiting valve 21, and the limit inner cushion blocks 22 are adhesively connected to the internal piston block 9. Moreover, a soft ladder block 25 is provided on one side of the limit inner cushion block 22, and the soft ladder block 25 is adhesively connected to the limit inner cushion block 22, and there are more than two soft ladder blocks 25;

[0027] During use, first take out this liquid quantitative aseptic sampler, and then adjust the time of the timing flow limiting valve 21, so as to come into contact with the liquid to be sampled. Then pull out the fixed upper handle cover 6. As the fixed upper handle cover 6 is pulled out, the timing flow limiting valve 21 will start timing at this time. When the set value of the timing flow limiting valve 21 is reached, the timing flow limiting valve 21 can conduct air at this time. As the timing flow limiting valve 21 conducts air, when the fixed upper handle cover 6 is pulled out, the device will not take out the liquid due to air conduction, so that the amount of liquid taken out by the device can be fixed.

[0028] Please refer to Figure 1 , on one side outside the sampler main body 1, there is an external fixed square pad 2, and the external fixed square pad 2 is adhesively connected to the sampler main body 1 to make the connection between the external fixed square pad 2 and the sampler main body 1 more firm. On one side of the external fixed square pad 2, there is an anti-slip soft convex strip 3, and the anti-slip soft convex strip 3 is adhesively connected to the external fixed square pad 2 to make the connection between the anti-slip soft convex strip 3 and the external fixed square pad 2 more firm. There are more than two anti-slip soft convex strips 3. Below the sampler main body 1, there is a sampling nozzle 8, and the sampling nozzle 8 is an integral structure with the sampler main body 1. At the upper end of the sampler main body 1, there is a fixed round block 4. Outside the fixed round block 4, there is an anti-slip round groove 5, and there are more than two anti-slip round grooves 5. Above the fixed round block 4, there is a fixed upper handle cover 6, and at the upper end inside the fixed upper handle cover 6, there is a round soft convex block 7;

[0029] Please refer to Figures 2-4, an anti-leak rubber ring 23 is provided outside the built-in piston block 9, and the anti-leak rubber ring 23 is fixedly connected to the built-in piston block 9. There are two or more anti-leak rubber rings 23. A transparent anti-adhesion inner pad 10 is provided on the inner wall of the sampler body 1, and the transparent anti-adhesion inner pad 10 is fixedly connected to the sampler body 1 through a card slot. An inner fixing ring block 14 is provided on the inner wall of the sampling nozzle 8, and the inner fixing ring block 14 is fixedly connected to the sampling nozzle 8 through a card slot. An anti-leak inner flap block 15 is provided on the inner wall of the inner fixing ring block 14, and the anti-leak inner flap block 15 is adhesively connected to the inner fixing ring block 14, making the connection between the anti-leak inner flap block 15 and the inner fixing ring block 14 more firm. There are two or more anti-leak inner flap blocks 15. A anti-shake ring block 13 is provided at the lower end of the fixed upper handle cover 6. Limiting conical blocks 18 are provided on both sides of the anti-shake ring block 13. Sterilizing lamp tubes 16 are provided on both sides inside the anti-shake ring block 13. A diffuser plate 17 is provided below the sterilizing lamp tubes 16, and the diffuser plate 17 and the sterilizing lamp tubes 16 are both fixedly connected to the anti-shake ring block 13 through card slots, making the connection between the diffuser plate 17 and the sterilizing lamp tubes 16 and the anti-shake ring block 13 more firm. A washer fixing block 19 is provided above the limiting conical block 18, and the washer fixing block 19 is fixedly connected to the fixed upper handle cover 6, making the connection between the washer fixing block 19 and the fixed upper handle cover 6 more firm. A sealing washer 20 is provided at the lower end of the washer fixing block 19. A connecting inner cylinder 12 is provided at the middle position below the fixed upper handle cover 6, and the lower end of the connecting inner cylinder 12 is fixedly connected to the built-in piston block 9, making the connection between the lower end of the connecting inner cylinder 12 and the built-in piston block 9 more firm. A cylindrical protective ring block 11 is provided outside the lower part of the connecting inner cylinder 12, and the cylindrical protective ring block 11 is fixedly connected to the built-in piston block 9, making the connection between the cylindrical protective ring block 11 and the built-in piston block 9 more firm.

[0030] Working principle: When in use, first take out this kind of liquid quantitative sterile sampler, and then adjust the time of the timing flow-limiting valve 21, so that the liquid to be sampled can be contacted. Then pull out the fixed upper handle cover 6. As the fixed upper handle cover 6 is pulled out, at this time the timing flow-limiting valve 21 will start timing. When the set value of the timing flow-limiting valve 21 is reached, at this time the timing flow-limiting valve 21 can conduct air. As the timing flow-limiting valve 21 conducts air, when the fixed upper handle cover 6 is pulled out, the device will not take out the liquid due to air conduction, so that the amount of liquid taken out by the device can be fixed. When this kind of device is in use, at this time the transparent anti-adhesion inner pad 10 provided on the inner wall of the sampler body 1 can effectively reduce the problem that the liquid adheres to the inner wall of the device during sampling, which increases the difficulty for the staff to clean the device. And when the device is in use, at this time turn on the switch of the control sterilizing lamp tube 16. As the sterilizing lamp tube 16 is turned on, the proliferation of bacteria during the use of the device can be effectively reduced.

[0031] Sampler body 1, externally fixed square pad 2, anti-slip soft convex strip 3, fixed round block 4, anti-slip round groove 5, fixed upper handle cover 6, round soft convex block 7, sampling nozzle 8, built-in piston block 9, transparent anti-adhesion inner pad 10, cylindrical protective ring block 11, connecting inner cylinder 12, anti-shake ring block 13, internally fixed ring block 14, anti-leak inner flap block 15, sterilizing lamp tube 16, diffuser plate 17, limiting tapered block 18, washer fixing block 19, sealing washer 20, timing current-limiting valve 21, limiting inner cushion block 22, anti-leak rubber ring 23, ventilation vertical groove 24, soft ladder block 25

[0032] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A liquid quantitative aseptic sampler, comprising a sampler body (1), characterized in that: An internal piston block (9) is provided inside the sampler body (1). On one side inside the internal piston block (9), a timed flow-limiting valve (21) is provided. The timed flow-limiting valve (21) is fixedly connected to the internal piston block (9) through a card slot. Below the timed flow-limiting valve (21), there are two ventilation vertical grooves (24). Limit internal pads (22) are provided on both sides of the timed flow-limiting valve (21). The limit internal pads (22) are adhesively connected to the internal piston block (9). On one side of the limit internal pads (22), there are soft ladder blocks (25). The soft ladder blocks (25) are adhesively connected to the limit internal pads (22), and there are more than two soft ladder blocks (25).

2. The liquid quantitative sterile sampler according to claim 1, wherein: An anti-leak rubber ring (23) is provided outside the internal piston block (9). The anti-leak rubber ring (23) is fixedly connected to the internal piston block (9). There are more than two anti-leak rubber rings (23). A transparent anti-adhesion inner pad (10) is provided on the inner wall of the sampler body (1). The transparent anti-adhesion inner pad (10) is fixedly connected to the sampler body (1) through a card slot.

3. The liquid quantitative sterile sampler according to claim 2, wherein: On one side outside the sampler body (1), there is an external fixed square pad (2). The external fixed square pad (2) is adhesively connected to the sampler body (1). On one side of the external fixed square pad (2), there are anti-slip soft convex strips (3). The anti-slip soft convex strips (3) are adhesively connected to the external fixed square pad (2), and there are more than two anti-slip soft convex strips (3).

4. The liquid quantitative aseptic sampler according to claim 3, characterized in that: Below the sampler body (1), there is a sampling nozzle (8). The sampling nozzle (8) is an integral structure with the sampler body (1). On the inner wall of the sampling nozzle (8), there is an internal fixed ring block (14). The internal fixed ring block (14) is fixedly connected to the sampling nozzle (8) through a card slot. On the inner wall of the internal fixed ring block (14), there are anti-leak internal flap blocks (15). The anti-leak internal flap blocks (15) are adhesively connected to the internal fixed ring block (14), and there are more than two anti-leak internal flap blocks (15).

5. The liquid quantitative aseptic sampler according to claim 4, wherein: At the upper end of the sampler body (1), there is a fixed circular block (4). Outside the fixed circular block (4), there are more than two anti-slip circular grooves (5). Above the fixed circular block (4), there is a fixed upper handle cover (6). At the upper end inside the fixed upper handle cover (6), there is a circular soft convex block (7). At the lower end of the fixed upper handle cover (6), there is an anti-shake ring block (13). On both sides of the anti-shake ring block (13), there are limit conical blocks (18). On both sides inside the anti-shake ring block (13), there are sterilization lamp tubes (16). Below the sterilization lamp tubes (16), there is a light diffusing plate (17). The light diffusing plate (17) and the sterilization lamp tubes (16) are both fixedly connected to the anti-shake ring block (13) through card slots.

6. The liquid quantitative sterile sampler according to claim 5, characterized in that: Above the limiting conical block (18), there is a washer fixing block (19), and the washer fixing block (19) is fixedly connected to the fixed upper handle cover (6). A sealing washer (20) is arranged at the lower end of the washer fixing block (19). At the middle position below the fixed upper handle cover (6), there is a connecting inner cylinder (12), and the lower end of the connecting inner cylinder (12) is fixedly connected to the built-in piston block (9). An outer part below the connecting inner cylinder (12) is provided with a cylindrical protective ring block (11), and the cylindrical protective ring block (11) is fixedly connected to the built-in piston block (9).

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