CN113049765B - A portable water quality testing cup - Google Patents

Abstract

The invention discloses a portable water quality detection cup which comprises a cup body, wherein the cup body is cylindrical, the upper end and the lower end of the cup body are both provided with openings, an upper cover is buckled at the upper end of the cup body, a through hole is formed in the center of the upper cover and is communicated with the upper surface and the lower surface of the upper cover, a lower cover is buckled at the lower end of the cup body, a first partition plate and a second partition plate are fixedly installed in the cup body, the first partition plate is positioned above the second partition plate, a pressing plate is further arranged in the cup body and is positioned above the first partition plate, a pushing block is arranged on the upper surface of the pressing plate and vertically and upwards penetrates through the through hole to extend out of the upper cover, a first embedding groove is formed in the center of the lower surface of the pressing plate, and a plurality of second embedding grooves are further formed in the lower surface of the pressing plate. The invention has the advantages that the sampling of a plurality of samples can be simultaneously completed, and the interference of external factors on the detection result is effectively reduced.

Description

A portable water quality testing cup

technical field

The invention relates to the technical field of water quality detection, in particular to a portable water quality detection cup.

Background technique

With the continuous development of society, people have higher and higher requirements for the quality of drinking water, which also highlights the importance of water quality testing. Inspectors need to take water quality samples in different areas to complete the water quality testing. For convenience Work, the tester usually uses a water quality test cup to sample the water quality to be tested into the test cup, then use a dropper and a test tube to take a sample, test this sample through an instrument or reagent, and then repeat the sampling test process, Accurate data of water quality is finally obtained; repeated sampling from the test cup through the dropper and test tube is not only cumbersome, but also easily affected by the interference of external factors to the detection structure, which brings great trouble to the detection work.

Contents of the invention

The purpose of the present invention is to solve the above problems, and a portable water quality detection cup is designed.

A portable water quality detection cup, comprising a cup body, the cup body is cylindrical, the upper end and the lower end of the cup body are both openings, the upper end of the cup body is buckled with an upper cover, and the center of the upper cover is set There is a through hole, the through hole communicates with the upper and lower surfaces of the upper cover, and the lower end of the cup is buckled with a lower cover,

A partition one and a partition two are fixedly installed in the cup, and the partition one is located above the partition two, and a pressing plate is also arranged in the cup body, and the pressing plate is positioned above the partition one, and the top of the pressing plate is There is a push block on the surface, and the push block extends vertically upward through the through hole to protrude from the upper cover. The center position of the lower surface of the pressure plate is provided with a mosaic groove 1, and a number of mosaic grooves 2 are also provided on the lower surface of the pressure plate. ;

The central position of the partition one is provided with a connection hole, the connection hole communicates with the upper and lower surfaces of the partition one, and the partition one is also provided with a plurality of through holes one, and the through holes one communicates with the partition The upper and lower surfaces of one, the position of the through hole one corresponds to the position of the inlay groove two, and the second partition is provided with a number of through holes two, and the positions of the through hole two and the position of the through hole one One-to-one correspondence, the inner surfaces of the first through hole and the second through hole are provided with a rubber layer;

The cup body is provided with a connecting rod, the upper end of the connecting rod is fixedly connected to the ball one, the ball one is vertically inserted into the mosaic groove one, and the lower end of the connecting rod is vertically inserted downward through the connecting hole into the compartment Below plate 1, the lower end of the connecting rod is fixedly connected to the baffle plate, the connecting rod is perpendicular to the baffle plate, the size of the baffle plate is larger than the size of the through hole 1, the lower surface of the baffle plate and the upper surface of the partition plate 2 A spring is arranged between the surfaces, the upper end of the spring is connected to the lower surface of the baffle, and the lower end of the spring is connected to the upper surface of the second partition;

It also includes a number of empty tubes, the empty tubes correspond to the through holes one by one, the empty tubes vertically penetrate through the first through hole and the second through hole, and the empty tubes are connected to the inner surface of the first through hole and the inner surface of the second through hole. The rubber layer on the surface forms an interference fit, the lower end port of the empty cylinder is tapered, and the edge of the upper end port of the empty cylinder is provided with a rib, and the rib is pressed on the upper surface of the partition one, so A piston shaft is inserted into the hollow cylinder, the lower end of the piston shaft is inserted into the hollow cylinder, the lower end of the piston shaft is fixedly connected to the piston, the upper end of the piston shaft is fixedly connected to the sphere 2, and the sphere 2 is embedded in the mosaic groove 2.

The first ball and the second ball are rubber balls, the first ball is embedded in the first mounting groove to form an interference fit, and the second ball is embedded in the second mounting groove to form an interference fit.

The hollow cylinder is a cylinder, and the rib is a ring around the upper port of the hollow cylinder.

The first inlay groove and the second inlay groove are spherical grooves, and the two inlay grooves are distributed on the same circumference at equal angles with the first inlay groove as the center of the circle.

The edges of the first partition and the second partition are fixedly connected to the inner wall of the cup body.

The edge of the pressing plate is not in contact with the inner wall of the cup body.

Both the first through hole and the second through hole are round holes, and the diameters of the first through hole and the second through hole are the same.

The through hole is a round hole, and the push block is cylindrical.

The empty cylinder can be pulled out vertically upwards from the first through hole and the second through hole.

The pressing plate is a circular plate, and the edge of the pressing plate is not in contact with the inner surface of the cup body.

Beneficial effect

A portable water quality detection cup made by the technical solution of the present invention has the following advantages:

1. This device can simultaneously complete the extraction of multiple water quality samples by means of extrusion. In the subsequent detection work, it is not necessary to use droppers and test tubes to repeatedly extract samples, which greatly improves work efficiency and effectively avoids external factors. Interference with test results;

2. This device can flexibly adjust the number of empty cylinders according to the needs, and can complete the sampling of different sample quantities for different water qualities. The sampling method is flexible and the use is more convenient;

3. This device can effectively reduce the contact between the water sample and the cup body, which is beneficial to the repeated detection of different water qualities, avoids cross interference in the water quality detection process, and improves the accuracy of the detection results.

Description of drawings

Fig. 1 is the structural representation of a kind of portable water quality detection cup of the present invention;

Fig. 2 is a schematic diagram of an exploded structure of a portable water quality testing cup according to the present invention;

Fig. 3 is a schematic structural view of a portable water quality testing cup according to the present invention in the state of taking samples;

Fig. 4 is a schematic structural view of a portable water quality detection cup according to the present invention in the state of completing sample extraction;

In the figure, 1. Cup body; 2. Upper cover; 3. Through hole; 4. Lower cover; 5. Partition one; 6. Partition two; 7. Pressing plate; 8. Push block; 10. Mosaic groove two; 11. Connecting hole; 12. Through hole one; 13. Through hole two; 14. Rubber layer; 15. Connecting rod; 16. Ball one; 17. Baffle plate; 18. Spring; 19. Empty Tube; 20, rib; 21, piston shaft; 22 piston; 23 sphere two.

detailed description

The present invention is specifically described below in conjunction with accompanying drawing, as shown in Figure 1-4;

The invention of the present application lies in that a partition one 5 and a partition two 6 are fixedly installed in the cup body, the partition one is located above the partition two, and a pressure plate 7 is also arranged in the cup body, and the pressure plate is located on the top of the partition Above one, the upper surface of the pressure plate is provided with a push block 8, and the push block vertically extends upward through the through hole to stretch out the upper cover, and the center position of the lower surface of the pressure plate is provided with an inlay groove one 9, the A number of inlay grooves 210 are also provided on the lower surface of the pressing plate;

The invention of the present application is also that a connection hole 11 is provided at the center of the partition one, and the connection hole communicates with the upper and lower surfaces of the partition one, and a plurality of through holes 12 are also provided on the partition one. , the through hole one communicates with the upper and lower surfaces of the partition one, the position of the through hole one corresponds to the position of the mosaic groove two one by one, the two through holes 13 are provided on the partition two, and the through hole two The position of the second hole corresponds to the position of the first through hole, and the inner surfaces of the first through hole and the second through hole are provided with a rubber layer 14;

The invention point of the present application is also that a connecting rod 15 is arranged in the cup body, and the upper end of the connecting rod is fixedly connected to the sphere 16, and the sphere 1 is vertically embedded in the mosaic groove 1, and the lower end of the connecting rod is vertically Pass through the connecting hole downwards and extend below the partition one. The lower end of the connecting rod is fixedly connected to the baffle plate 17. The connecting rod is perpendicular to the baffle plate. The size of the baffle plate is greater than the size of the through hole one. A spring 18 is provided between the lower surface of the plate and the upper surface of the second partition, the upper end of the spring is connected to the lower surface of the baffle, and the lower end of the spring is connected to the upper surface of the second partition;

The inventive point of the present application is that it also includes a number of hollow tubes 19, which correspond to the through holes one by one, and the hollow tubes vertically penetrate through the first through hole and the second through hole. The rubber layer on the inner surface of the first hole and the inner surface of the second through hole forms an interference fit, the lower end port of the hollow cylinder is tapered, and a rib 20 is provided on the edge of the upper end port of the hollow cylinder, and the rib presses On the upper surface of the partition one, the piston shaft 21 is inserted into the hollow cylinder, the lower end of the piston shaft is inserted into the hollow cylinder, the lower end of the piston shaft is fixedly connected to the piston 22, and the upper end of the piston shaft is fixedly connected to the ball two 23. The second sphere is embedded in the second inlay groove.

The invention of the present application is that the first ball and the second ball are rubber balls, the first ball is embedded in the first groove to form an interference fit, and the second ball is embedded in the second groove to form an interference fit; The empty cylinder is a cylinder, and the rib is a circular ring around the upper port of the empty cylinder; the first and second inlay grooves are spherical grooves, and the second inlay groove is at an equal angle with the first inlay groove as the center of the circle. are distributed on the same circumference; the edges of the first partition and the second partition are fixedly connected with the inner wall of the cup; the edges of the pressing plate are not in contact with the inner wall of the cup; the first through hole and the second through hole It is a round hole, and the diameters of the first through hole and the second through hole are the same; the through hole is a round hole, and the push block is cylindrical; the empty cylinder can be pulled out from the first through hole and the second through hole vertically; The pressing plate is a circular plate, and the edge of the pressing plate is not in contact with the inner surface of the cup body.

During the implementation of the technical solution of the present application, the initial state is as shown in Figure 1. At this time, the upper surface of the baffle plate is closely attached to the lower surface of the partition plate 1 under the promotion of the spring, and the sphere 1 is embedded in the mosaic groove 1, and the sphere 1 Two are inlaid in the corresponding inlay groove two, the lower cover buckles the lower end port of the cup body, and the upper cover is buckled on the upper end port of the cup body; when sampling is required, unscrew the lower cover, and then put the cup body The lower end of the port extends into the water to be detected, then press the push block downward, the push block pushes the pressure plate downward, the pressure plate moves downward, and drives the connecting rod and the piston shaft to move downward synchronously, at this time the connecting rod pushes the baffle downward Squeeze the spring, and at the same time, the piston shaft pushes the piston into the empty barrel, and the air in the empty barrel is discharged, as shown in Figure 3; then loosen the push block, and the spring pushes the baffle to move upward until the upper surface of the baffle is attached to the partition On the lower surface of plate one, the piston shaft drives the piston upwards at this time, and the water sample to be tested is pumped into the empty cylinder, as shown in Figure 4, and then the cup is taken out of the water and the upper and lower covers are screwed on to complete the sampling work.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. any such actual relationship or order exists between them. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. without further restrictions. The phrase "the inclusion of an element defined by ... does not preclude the presence of additional identical elements in the process, method, article, or apparatus comprising said element".

The above-mentioned technical solutions only reflect the preferred technical solutions of the technical solutions of the present invention, and some changes that those skilled in the art may make to certain parts reflect the principles of the present invention and fall within the protection scope of the present invention.

Claims (10)

1. A portable water quality detection cup comprises a cup body (1), the cup body is cylindrical, the upper end and the lower end of the cup body are both provided with openings, the upper end of the cup body is buckled with an upper cover (2), the central position of the upper cover is provided with a through hole (3), the through hole is communicated with the upper surface and the lower surface of the upper cover, the lower end of the cup body is buckled with a lower cover (4),

a first partition plate (5) and a second partition plate (6) are fixedly installed in the cup body, the first partition plate is located above the second partition plate, a pressing plate (7) is further arranged in the cup body and located above the first partition plate, a pushing block (8) is arranged on the upper surface of the pressing plate, the pushing block vertically penetrates through the through hole upwards and extends out of the upper cover, an embedding groove I (9) is formed in the center of the lower surface of the pressing plate, and a plurality of embedding grooves II (10) are further formed in the lower surface of the pressing plate;

a connecting hole (11) is formed in the center of the first partition plate and is communicated with the upper surface and the lower surface of the first partition plate, a plurality of through holes (12) are further formed in the first partition plate and are communicated with the upper surface and the lower surface of the first partition plate, the positions of the through holes (I) are in one-to-one correspondence with the positions of the embedding grooves (II), a plurality of through holes (13) are formed in the second partition plate, the positions of the through holes (II) are in one-to-one correspondence with the positions of the through holes (I), and rubber layers (14) are arranged on the inner surfaces of the through holes (I) and the through holes (II);

a connecting rod (15) is arranged in the cup body, the upper end of the connecting rod is fixedly connected with a first sphere (16), the first sphere is vertically upwards embedded into the first embedding groove, the lower end of the connecting rod vertically downwards penetrates through the connecting hole and extends into the lower portion of the partition plate, the lower end of the connecting rod is fixedly connected with a baffle (17), the connecting rod is perpendicular to the baffle, the size of the baffle is larger than that of the first penetrating hole, a spring (18) is arranged between the lower surface of the baffle and the upper surface of the second partition plate, the upper end of the spring is connected with the lower surface of the baffle, and the lower end of the spring is connected with the upper surface of the second partition plate;

still include a plurality of empty section of thick bamboos (19), empty section of thick bamboos and through hole one-to-one, the vertical through hole that runs through downwards of empty section of thick bamboo one and through hole two, the rubber layer on empty section of thick bamboo and the two internal surfaces of through hole forms interference fit, the lower extreme port of empty section of thick bamboo is the toper, be equipped with flange (20) on the border of empty section of thick bamboo upper end port, the flange is pressed on the upper surface of baffle one, empty section of thick bamboo interpolation dress piston shaft (21), the piston shaft lower extreme inserts in the empty section of thick bamboo, piston shaft lower extreme fixed connection piston (22), the upper end fixed connection spheroid two (23) of piston shaft, the inslot is inlayed in the two imbeds to spheroid.

2. The portable water quality detection cup according to claim 1, wherein the first ball body and the second ball body are both rubber balls, the first ball body is embedded in the first embedded groove to form an interference fit, and the second ball body is embedded in the second embedded groove to form an interference fit.

3. The portable water quality detection cup according to claim 1, wherein the hollow cylinder is a cylinder, and the rib is a circular ring surrounding a circumference of an upper end port of the hollow cylinder.

4. The portable water quality detection cup according to claim 1, wherein the first embedding groove and the second embedding groove are both spherical grooves, and the first embedding groove and the second embedding groove are distributed on the same circumference at equal angles by taking the first embedding groove as a circle center.

5. The portable water quality detection cup according to claim 1, wherein the edges of the first partition plate and the second partition plate are fixedly connected with the inner wall of the cup body.

6. The portable water quality detecting cup according to claim 1, wherein the edge of the pressure plate does not contact the inner wall of the cup body.

7. The portable water quality detection cup according to claim 1, wherein the first through hole and the second through hole are both circular holes, and the diameters of the first through hole and the second through hole are the same.

8. The portable water quality detecting cup according to claim 1, wherein the through hole is a circular hole, and the push block is cylindrical.

9. The portable water quality detecting cup according to claim 1, wherein the hollow cylinder can be vertically and upwardly pulled out from the first through hole and the second through hole.

10. The portable water quality detecting cup according to claim 1, wherein the pressure plate is a circular plate, and the edge of the pressure plate does not contact with the inner surface of the cup body.

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