Chemical reagent sampler

Abstract

The utility model discloses a chemical reagent sampler, which belongs to the technical field of samplers, and comprises a base, the upper surface of the base is fixedly connected with an adjusting mechanism, and the upper end of the adjusting mechanism is fixedly connected with a connecting rod. The thumb and the middle finger pinch the upper end of the adjusting rod, the index finger presses the pressed rod downwards, the pressed rod is matched with the connecting block to drive the linkage rod to move downwards, the linkage rod moving downwards extrudes the inclined face of the clamping block, and therefore the clamping block moves towards one side and is separated from the clamping groove in the inner wall of the supporting cylinder, and at the moment, the spring and the elastic piece are in a compressed state. The thumb and the middle finger can move the adjusting rod upwards or downwards, after adjustment is completed, the index finger is loosened, the spring and the elastic piece are restored, the clamping block is embedded into one clamping groove, then the adjusted adjusting rod is kept stable, operation is easy, and personnel can adjust the adjusting rod conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampler technical field more specifically, relate to a kind of chemical reagent sampler. BACKGROUND

[0002] Sampler includes liquid sampler and fixed sampler, liquid sampler is the device for sampling liquid material, a small amount of liquid is taken out from the whole as sample, subsequent liquid analysis operation is completed.

[0003] For example, authorized publication No. CN217155959U discloses a kind of liquid chemical reagent sampler, belongs to liquid sampler field, a kind of liquid chemical reagent sampler, including main body structure, main body structure includes rectangular block, semicircular groove is set in rectangular block middle part, buffer pad is fixedly connected in semicircular groove middle part, base is fixedly connected at rectangular block front end, rectangular slot is set in base rear end, buckle slot is set in base middle part, rectangular bar is slidably connected in buckle slot middle part, baffle is fixedly connected in rectangular bar outer end, compression spring is fixedly connected in baffle front end left and right two parts, limit block is fixedly connected in rectangular bar rear end, characterized in that liquid chemical reagent is stored in liquid storage bottle and is fixed by main body structure, so that reagent is not easy to spill, and limiting device is limited to extractor, so that experimental personnel do not need to suspend extractor in midair, it is convenient for experimental personnel to accurately sample, improve the precision of experimental result, but the sampler has the following disadvantages in actual use process:

[0004] First, the lower end of the extractor needs to be inserted into the liquid storage bottle to sample, and the screw needs to be loosened after sampling to move the extractor upward and take it out from the liquid storage bottle, and then the screw is tightened for reinforcement, which is relatively cumbersome to operate.

[0005] Second, the extractor is similar to a needle cylinder, and sampling is performed by pulling, which generally requires two hands to operate to keep the extractor stable during the pulling sampling process, and the extraction process is not convenient. UTILITY MODEL CONTENT

[0006] 1. Technical problem to be solved

[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide a chemical reagent sampler, which solves the problems of cumbersome operation of the sampler in the prior art, the need for two hands to keep the extractor stable during the extraction process, and the inconvenience of the extraction process.

[0008] 2. Technical scheme

[0009] To solve the above problems, the utility model adopts the following technical scheme.

[0010] The utility model provides a kind of chemical reagent sampler, including base, the upper surface of the base is fixedly connected with adjusting mechanism, the upper end of the adjusting mechanism is fixedly connected with connecting rod, one end of the connecting rod is fixedly connected with elastic clamp, the elastic clamp is clamped with extraction cylinder, the extraction cylinder is provided with piston, the upper end of the extraction cylinder is fixedly connected with adapter tube, one end of the adapter tube is fixedly connected with hose, one end of the hose is fixedly connected with elastic balloon;

[0011] The outer circumferential surface of the adapter tube is fixedly connected with a one-way air outlet and a one-way air inlet, and one end of the one-way air outlet and the one-way air inlet is fixedly connected with a valve.

[0012] Further, the adjusting mechanism includes a support cylinder, an adjusting rod, a pressure rod, a connecting block, a spring, a linkage rod, a clamping block and a spring piece. The upper end of the support cylinder is embedded with the adjusting rod. The upper end of the adjusting rod is penetrated and movably connected with the pressure rod. The lower end of the pressure rod is fixedly connected with the connecting block. The upper end of the connecting block is fixedly connected with the spring. The upper end of the spring is fixed with the inner top end of the adjusting rod. The lower end of the connecting block is fixedly connected with the linkage rod. The lower end of the adjusting rod is provided with the clamping block. One end of the clamping block penetrates the adjusting rod and is embedded with a clamping groove on the inner wall of the support cylinder. One end of the clamping block is fixedly connected with the spring piece. One end of the spring piece is fixed with the inner wall of the adjusting rod.

[0013] Further, the upper end of the pressure rod is fixedly connected with a flat block.

[0014] Further, the inner wall of the elastic clamp is fixedly connected with a rubber layer. The inner diameter of the rubber layer is smaller than the outer diameter of the extraction cylinder.

[0015] Further, the inner wall of the elastic balloon is fixedly connected with a framework. The framework is made of elastic metal material.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) When the extraction cylinder is finished sampling and needs to be moved upward, the thumb and the middle finger pinch the upper end of the adjusting rod, the index finger presses the pressure rod downward, the pressure rod drives the linkage rod to move downward in cooperation with the connecting block, the downward moving linkage rod squeezes the inclined surface of the clamping block, so that the clamping block moves to one side and is separated from the clamping groove on the inner wall of the support cylinder. At this time, the spring and the spring piece are in a compressed state. In this state, the thumb and the middle finger can move the adjusting rod upward or downward, the spring and the spring piece restore after the adjusting is completed, the clamping block is embedded with one of the clamping grooves, and the adjusted adjusting rod is kept stable. The operation is simple and convenient for personnel to adjust.

[0019] (2) this scheme when the extraction cylinder sampling, open one-way outlet valve on the side of the nozzle, close one-way inlet valve on the side of the nozzle, at this time, when the personnel extrude the elastic ballon, the gas in the elastic ballon will run out from the one-way outlet nozzle, then release the elastic ballon, the elastic ballon in the process of recovery will make the space above the piston negative pressure, and make the piston move up, the piston moving up will extract the reagent, when the need to transfer the sample in the extraction cylinder, close the one-way outlet, open the one-way inlet, press the elastic ballon can push the piston to move down and thus push out the reagent, release the elastic ballon, the gas will enter from the one-way inlet and make the elastic ballon recover, the sampler in operation, its extraction sample or transfer sample can be single-handed operation, its operation is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the whole structure schematic diagram of the utility model Figure 1 It is the enlarged structure schematic diagram of A place in the utility model;

[0022] Figure 3 It is the structure schematic diagram of the extraction cylinder of the utility model;

[0023] Figure 4 It is the structure schematic diagram of the locking state of the adjusting mechanism of the utility model;

[0024] Figure 5 It is the structure schematic diagram of the adjusting state of the adjusting mechanism of the utility model;

[0025] Figure 6 It is the sectional structure schematic diagram of the elastic ballon of the utility model.

[0026] Mark explanation in drawing:

[0027] 1, base;2, adjusting mechanism;201, support cylinder;2011, clamping groove;202, adjusting rod;203, pressure receiving rod;2031, flat block;204, link block;205, spring;206, linkage rod;207, clamping block;208, elastic sheet;3, connecting rod;4, elastic clamp;401, rubber layer;5, extraction cylinder;501, piston;6, link pipe;7, hose;8, elastic ballon;801, framework;9, one-way outlet nozzle;10, one-way inlet nozzle. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the following combines with the drawing and example, and the utility model is further explained in detail. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0029] Embodiment

[0030] As Figures 1-6 shown, a chemical reagent sampler includes a base 1, the upper surface of the base 1 is fixedly connected with an adjusting mechanism 2, the upper end of the adjusting mechanism 2 is fixedly connected with a connecting rod 3, one end of the connecting rod 3 is fixedly connected with an elastic clamp 4, the elastic clamp 4 clamps a extraction cylinder 5, the extraction cylinder 5 is provided with a piston 501, the extraction cylinder 5 is made of transparent material and is provided with a scale line, the upper end of the extraction cylinder 5 is fixedly connected with a connecting pipe 6, one end of the connecting pipe 6 is fixedly connected with a hose 7, one end of the hose 7 is fixedly connected with an elastic balloon 8;

[0031] The outer circumferential surface of the connecting pipe 6 is fixedly connected with a one-way air outlet nozzle 9 and a one-way air inlet nozzle 10, and one end of the one-way air outlet nozzle 9 and the one-way air inlet nozzle 10 is fixedly connected with a valve 11.

[0032] In use, when the extraction cylinder 5 is sampling, the valve 11 on the one-way air outlet nozzle 9 side is opened, and the valve 11 on the one-way air inlet nozzle 10 side is closed, at this time, when the elastic balloon 8 is squeezed, the gas in the elastic balloon 8 will run out from the one-way air outlet nozzle 9, then the elastic balloon 8 is released, and in the process of restoring, the elastic balloon 8 will cause the space above the piston 501 to have negative pressure, and the piston 501 will move upwards, and the piston 501 moving upwards will extract the reagent, it should be noted that the volume of the elastic balloon 8 has a certain margin relative to the volume of the extraction cylinder 5, so as to ensure that the negative pressure generated by the elastic balloon 8 can ensure that the piston 501 moves upwards enough. When it is necessary to quantitatively extract the sample, the elastic balloon 8 can be operated to make the extraction cylinder 5 suck enough sample, then the one-way air outlet nozzle 9 is closed, and the one-way air inlet nozzle 10 is slightly opened, at this time, the sample in the extraction cylinder 5 slowly flows down, the scale line on the outer wall of the extraction cylinder 5 is observed, and the one-way air inlet nozzle 10 is closed in time, so as to realize extracting the sample with the target capacity.

[0033] When it is necessary to take out the sample in the extraction cylinder 5, the one-way air outlet nozzle 9 is kept in a closed state, the one-way air inlet nozzle 10 is opened, and the piston 501 is pushed downwards to push out the reagent when the elastic balloon 8 is pressed, after the elastic balloon 8 is released, the gas will enter from the one-way air inlet nozzle 10 and make the elastic balloon 8 restore, the sampler can be operated by one hand when operating, and the operation is more convenient.

[0034] As Figure 1 and 4As shown in Figure 5, the adjusting mechanism 2 includes a support cylinder 201, an adjusting rod 202, a pressure rod 203, a connecting block 204, a spring 205, a linkage rod 206, a locking block 207, and a spring piece 208. The upper end of the support cylinder 201 is fitted with the adjusting rod 202. The upper end of the adjusting rod 202 passes through and is movably connected to the pressure rod 203. The lower end of the pressure rod 203 is fixedly connected to the connecting block 204. The upper end of the connecting block 204 is fixedly connected to the spring. 205. The upper end of the spring 205 is fixed to the inner top end of the adjusting rod 202. The lower end of the connecting block 204 is fixedly connected to the linkage rod 206. The lower end of the adjusting rod 202 is provided with a locking block 207. One end of the locking block 207 passes through the adjusting rod 202 and is engaged with the locking groove 2011 on the inner wall of the support cylinder 201. One end of the locking block 207 is fixedly connected to a spring piece 208. One end of the spring piece 208 is fixed to the inner wall of the adjusting rod 202.

[0035] When in use, after the extraction tube 5 has finished sampling, if it needs to be moved upward, pinch the upper end of the adjusting rod 202 with your thumb and middle finger, and press the pressure rod 203 downward with your index finger. The pressure rod 203, together with the connecting block, will drive the linkage rod 206 to move downward. The downward moving linkage rod 206 will squeeze the inclined surface of the locking block 207, thereby causing the locking block 207 to move to one side and disengage from the slot 2011 on the inner wall of the support tube 201. At this time, the spring 205 and the spring piece 208 are both in a compressed state. In this state, the thumb and middle finger can move the adjusting rod 202 upward or downward. After the adjustment is completed, release the index finger, and the spring 205 and the spring piece 208 will return to their original state. The locking block 207 will engage with one of the slots 2011, thereby making the adjusted adjusting rod 202 stable. Its operation is simple and convenient for personnel to adjust.

[0036] like Figure 4 As shown, a flat block 2031 is fixedly connected to the upper end of the compression rod 203.

[0037] When in use, the flat block 2031 increases the contact area between the pressure rod 203 and the user's fingers, making it more comfortable for the user to press the pressure rod 203.

[0038] like Figure 2 As shown, the inner wall of the elastic clamp 4 is fixedly connected with a rubber layer 401, and the inner diameter of the rubber layer 401 is smaller than the outer diameter of the extraction cylinder 5.

[0039] When in use, the elastic clamp 4 will compress the rubber layer 401 when clamping the extraction cylinder 5, thereby improving the stability of the installation of the extraction cylinder 5.

[0040] like Figure 3 and 6 As shown, the inner wall of the elastic balloon 8 is fixedly connected to a skeleton 801, which is made of elastic metal material.

[0041] In use, the skeleton 801 made of elastic metal material can greatly improve the elasticity of the elastic balloon 8, and ensure that the elastic balloon 8 can pull the piston 501 when rebounding.

[0042] In summary, the specific working process of the present scheme is as follows: when the extraction cylinder 5 is finished sampling and needs to be moved upwards, the thumb and the middle finger pinch the upper end of the adjusting rod 202, the index finger presses the pressure rod 203 downwards, the pressure rod 203 drives the linkage rod 206 to move downwards in cooperation with the connecting block, the downward moving linkage rod 206 extrudes the inclined surface of the clamping block 207, so that the clamping block 207 moves to one side and is separated from the clamping groove 2011 on the inner wall of the supporting cylinder 201, at this time, the spring 205 and the elastic sheet 208 are in a compressed state, in this state, the thumb and the middle finger can move the adjusting rod 202 upwards or downwards, after adjusting, the index finger is released, the spring 205 and the elastic sheet 208 are restored, the clamping block 207 is embedded with one of the clamping grooves 2011, so that the adjusted adjusting rod 202 remains stable, which is simple in operation and convenient for personnel to adjust.

[0043] When the extraction cylinder 5 is sampling, the valve 11 on one side of the one-way air outlet nozzle 9 is opened, and the valve 11 on one side of the one-way air inlet nozzle 10 is closed, at this time, when the elastic balloon 8 is pressed, the gas in the elastic balloon 8 will run out from the one-way air outlet nozzle 9, then the elastic balloon 8 is released, in the process of restoring, the elastic balloon 8 will cause the negative pressure in the space above the piston 501, and make the piston 501 move upwards, the upward moving piston 501 will extract the reagent, when the sample in the extraction cylinder 5 needs to be transferred, the one-way air outlet nozzle 9 is closed, the one-way air inlet nozzle 10 is opened, and the piston 501 is pressed to move downwards to push out the reagent, after the elastic balloon 8 is released, the gas will enter from the one-way air inlet nozzle 10 and make the elastic balloon 8 restore, the sampler can be operated by one hand when operating, and the operation is more convenient.

[0044] The above merely describes a preferred embodiment of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacements or changes to the technical scheme and the improved concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A chemical reagent sampler, comprising a base (1), characterized in that: An adjustment mechanism (2) is fixedly connected to the upper surface of the base (1). A connecting rod (3) is fixedly connected to the upper end of the adjustment mechanism (2). An elastic clamp (4) is fixedly connected to one end of the connecting rod (3). An extraction cylinder (5) is held inside the elastic clamp (4). A piston (501) is provided inside the extraction cylinder (5). A connecting tube (6) is fixedly connected to the upper end of the extraction cylinder (5). A flexible tube (7) is fixedly connected to one end of the connecting tube (6). An elastic balloon (8) is fixedly connected to one end of the flexible tube (7). The outer circumferential surface of the connecting pipe (6) is fixedly connected to a one-way air outlet (9) and a one-way air inlet (10), and a valve (11) is fixedly connected to one end of each of the one-way air outlet (9) and the one-way air inlet (10).

2. A chemical reagent sampler according to claim 1, characterized in that: The adjusting mechanism (2) includes a support cylinder (201), an adjusting rod (202), a pressure rod (203), a connecting block (204), a spring (205), a linkage rod (206), a locking block (207), and a spring piece (208). The upper end of the support cylinder (201) is fitted with the adjusting rod (202). The upper end of the adjusting rod (202) is movably connected to the pressure rod (203). The lower end of the pressure rod (203) is fixedly connected to the connecting block (204). The upper end of the connecting block (204) is fixedly connected to the spring (205). 5) The upper end of the spring (205) is fixed to the inner top end of the adjusting rod (202), the lower end of the connecting block (204) is fixedly connected to the linkage rod (206), the lower end of the adjusting rod (202) is provided with a locking block (207), one end of the locking block (207) passes through the adjusting rod (202) and is engaged with the locking groove (2011) on the inner wall of the support cylinder (201), one end of the locking block (207) is fixedly connected to a spring piece (208), and one end of the spring piece (208) is fixed to the inner wall of the adjusting rod (202).

3. A chemical reagent sampler according to claim 2, characterized in that: A flat block (2031) is fixedly connected to the upper end of the pressure rod (203).

4. A chemical reagent sampler according to claim 1, characterized in that: The inner wall of the elastic clamp (4) is fixedly connected with a rubber layer (401), and the inner diameter of the rubber layer (401) is smaller than the outer diameter of the extraction cylinder (5).

5. A chemical reagent sampler according to claim 1, characterized in that: The inner wall of the elastic balloon (8) is fixedly connected to a skeleton (801), which is made of elastic metal material.

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