CN218157828U

CN218157828U - Sampling detection equipment

Info

Publication number: CN218157828U
Application number: CN202223139226.9U
Authority: CN
Inventors: 薛妹妹
Original assignee: Bawang Guangzhou Co ltd
Current assignee: Bawang Guangzhou Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2022-12-27
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the technical field of sampling detection, in particular to a sampling detection device, which comprises a detection pen and a detection tube, wherein the detection tube is arranged at the bottom of the detection pen; the cleaning assembly is used for cleaning the detection pipe and sucking the material pipe, and comprises a cleaning pipe connected to one end of the detection pipe, the other end of the detection pipe is connected with an air drying pipe, the bottom of the first pressing switch and the bottom of the first piston pipe are located on the same horizontal plane, a reset spring is connected between the first pressing switch and the inner bottom wall of the second piston pipe, and the second pressing switch is located at the bottom of the third piston pipe. First piston rod absorbs the sample when shifting up in the present case and carries out direct detection, and has set up scavenge pipe and air-dry pipe respectively in the both sides of detecting tube, utilizes the clear water to wash the detecting tube and inhale the material pipe respectively and air-dry when first piston rod moves down, does not need measurement personnel to carry out solitary washing and drying to the detecting tube to make things convenient for subsequent detection, improved the efficiency that detects.

Description

Sampling detection equipment

Technical Field

The utility model relates to a sampling test technical field, concretely relates to sampling test equipment.

Background

The existing pH detection method generally comprises the steps of dropping a sample on a pH test paper to observe color, or inserting a pH detection pen into a detection sample to directly perform reading detection, wherein the two detection methods need to sample the detection sample firstly and then perform detection, and when a plurality of samples are detected simultaneously, in order to ensure that an experimental result needs to be cleaned and air-dried after sampling every time, or different sampling tubes are replaced, so that the detection efficiency is low, and the detection cost is increased by replacing the sampling tubes for multiple times.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned shortcoming that prior art exists, the utility model provides a sampling test equipment can effectively solve prior art sampling tube and detected at every turn and need wash alone, leads to the problem that detection efficiency reduces.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a sampling detection device, which comprises a detection pen and a detection tube, wherein the detection tube is arranged at the bottom of the detection pen, the detection end of the detection pen penetrates through the outer wall of the detection tube and extends to the inner bottom wall of the detection tube, a first piston tube is fixedly arranged above the detection pen, a first piston rod is movably inserted at the upper end of the first piston tube, a connecting tube is connected between the first piston tube and the detection tube, and the bottom of the detection tube is connected with a material suction tube; the cleaning assembly is used for cleaning the detection tube and the material suction tube and comprises a cleaning tube connected to one end of the detection tube, the other end of the detection tube is connected with an air drying tube, the upper side of the cleaning tube is connected with a second piston tube, a first electromagnetic valve is arranged at the joint of the cleaning tube and the second piston tube, a first press switch for controlling the first electromagnetic valve is arranged in the second piston tube, the upper side of the air drying tube is connected with a third piston tube, a second electromagnetic valve is arranged at the joint of the air drying tube and the third piston tube, a second press switch for controlling the second electromagnetic valve is arranged in the third piston tube, and air inlet tubes are arranged at the bottoms of the second piston tube and the third piston tube; the first pressure switch and the bottom of the first piston tube are positioned on the same horizontal plane, a return spring is connected between the first pressure switch and the inner bottom wall of the second piston tube, and the second pressure switch is positioned at the bottom of the third piston tube.

Furthermore, the cleaning assembly further comprises a second piston rod movably inserted at the upper end of the second piston tube, a third piston rod is movably inserted at the upper end of the third piston tube, a fixing plate is fixedly installed at the upper ends of the second piston rod and the third piston rod together, and the fixing plate is elastically connected with the first piston rod.

Furthermore, a power supply is arranged on one side of the air drying pipe, and a heating wire is arranged in the air drying pipe.

Furthermore, a plurality of shunt tubes are arranged at one end of the air drying tube, and one ends, far away from the air drying tube, of the shunt tubes are connected with the detection tube.

Furthermore, a plurality of spray pipes are arranged on one side of the cleaning pipe and communicated with the detection pipe, and clean water is arranged in the cleaning pipe.

The technical scheme provided by the utility model, compare with known public technique, have following beneficial effect:

first piston rod absorbs the sample when shifting up in the present case and carries out direct detection, and has set up scavenge pipe and air-dry pipe respectively in the both sides of detecting tube, utilizes the clear water to wash the detecting tube and inhale the material pipe respectively and air-dry when first piston rod moves down, does not need measurement personnel to carry out solitary washing and drying to the detecting tube to make things convenient for subsequent detection, improved the efficiency that detects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is an overall schematic view of the front view of the present invention;

fig. 2 is an overall schematic view of the rear view angle of the present invention;

FIG. 3 is a cross-sectional view of a second piston tube of the present invention;

fig. 4 is a cross-sectional view of a third piston tube of the present invention.

The reference numerals in the drawings represent: 1. a detection pen; 2. a detection tube; 3. a material suction pipe; 4. a first piston tube; 5. a first piston rod; 6. a connecting pipe; 7. cleaning the tube; 8. an air-drying pipe; 9. a power source; 10. a second piston tube; 11. a second piston rod; 12. a third piston tube; 13. a third piston rod; 14. a fixing plate; 15. a return spring; 16. a first push switch; 17. a first solenoid valve; 18. a nozzle; 19. a second push switch; 20. a second solenoid valve; 21. heating wires; 22. a shunt tube; 23. an intake pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example (b): the utility model provides a sampling test equipment, is including detecting pen 1 (prior art, does not do here and describe), when carrying out a plurality of samples and examine simultaneously, need wash the sampling tube and air-dry in order to guarantee the experimental result after taking a sample at every turn, perhaps change different sampling tubes, this has just resulted in detection efficiency lower, changes the sampling tube many times and has also increased the detection cost, to above-mentioned problem, this scheme improves, and concrete scheme is as follows:

reference is made to fig. 1-4; for the convenience of detection, this scheme is installed the bottom at test pen 1 with test tube 2, and test pen 1's sense terminal runs through test tube 2's outer wall and extends to test tube 2's interior diapire department, and test pen 1's top fixed mounting has first piston tube 4, and first piston tube 4 upper end activity is inserted and is equipped with first piston rod 5, is connected with connecting pipe 6 between first piston tube 4 and the test tube 2, and test tube 2 bottom is connected with inhales material pipe 3.

When the first piston rod 5 moves upwards, the negative pressure is generated inside the detection tube 2 through the connecting tube 6, so that the sample is sucked into the detection tube 2 through the suction tube 3, thereby completing the detection, and when the first piston rod 5 moves downwards, the sample in the detection tube 2 is discharged through the air pressure, and it is noted that the height of the sample in the detection tube 2 does not exceed the level of the connecting tube 6. The direct connection of the detection tube 2 to the bottom of the detection pen 1 is to directly detect the sample in the sampling process, so that the detection efficiency can be improved, and the external pollution is avoided.

Reference is made to fig. 1-4; in order to improve the detection efficiency, the cleaning assembly for cleaning the detection tube 2 and the material suction tube 3 is added in the scheme, the cleaning assembly comprises a cleaning tube 7 connected to one end of the detection tube 2, a plurality of spray pipes 18 are arranged on one side of the cleaning tube 7 (the spray pipes 18 are connected with the cleaning tube 7 through one main tube, and the end part of the main tube is positioned at the bottom of the cleaning tube 7, so that water is conveniently sucked, as shown in fig. 3), the spray pipes 18 are all communicated with the detection tube 2, the spray pipes 18 can face the inner wall of the detection tube 2, so that the cleaning quality and efficiency can be improved, clean water is arranged in the cleaning tube 7, the other end of the detection tube 2 is connected with a dry tube 8, a power supply 9 is arranged on one side of the dry tube 8, a heating wire 21 is arranged in the dry tube 8, a plurality of shunt tubes 22 are arranged at one end of the dry tube 8, one end, far away from the dry tube 8, of the shunt tube 22 is connected with the detection tube 2, a second piston tube 10 is connected to the upper side of the cleaning tube 7, a first electromagnetic valve 17 is arranged at the connection position where the cleaning tube 7 is connected with the second piston tube 10, a first electromagnetic valve 17 is arranged in the second piston tube 10, a piston tube 12 and a third piston tube 12 is arranged at the bottom of the piston tube 12, and a piston tube 12 arranged in the piston tube 12; the cleaning assembly further comprises a second piston rod 11 movably inserted at the upper end of the second piston tube 10, a third piston rod 13 is movably inserted at the upper end of the third piston tube 12, a fixing plate 14 is fixedly mounted at the upper ends of the second piston rod 11 and the third piston rod 13 together, and the fixing plate 14 is elastically connected with the first piston rod 5 (as shown in fig. 2, an elastic rod is connected between the first piston rod 5 and the fixing plate 14).

It should be noted that the connection between the cleaning tube 7 and the air drying tube 8 and the detecting tube 2 is respectively provided with a one-way valve, and the air inlet tube 23 is also provided with a one-way valve.

When the first piston rod 5 moves upwards, the second piston rod 11 and the third piston rod 13 are driven to move upwards, the second piston tube 10 and the third piston tube 12 suck air from the outside through the air inlet pipe 23, when the first piston rod 5 moves downwards, the second piston rod 11 and the third piston rod 13 are driven to move downwards, when the second piston rod 11 moves downwards to the position at the bottom of the first piston tube 4 (because the first pressure switch 16 and the bottom of the first piston tube 4 are positioned at the same horizontal plane), the first pressure switch 16 is triggered, the first electromagnetic valve 17 is opened, at this time, the first piston rod 5 is already positioned at the bottom of the first piston tube 4, because the first pressure switch is elastically connected, the fixing plate 14 can continue to descend, gas in the second piston tube 10 enters the cleaning pipe 7, clean water is extruded from the plurality of spray pipes 18, the spray pipes 18 flush the inside of the detection pipe 2 until the second piston rod 11 and the third piston rod 13 are respectively positioned at the bottoms of the second piston tube 10 and the third piston tube 12, at this time, the spray pipes 18 stop, the third piston rod 13 presses the second pressure switch, the second piston tube is opened, the second piston tube 19 is opened, the air flow of the detection pipe is compressed, the detection pipe 2 is released, and the detection pipe is more efficient, and the detection of the detection pipe is shortened, and the detection pipe is released, and the detection pipe 2, and the detection efficiency is shortened due to the detection of the detection pipe is shortened, and the detection pipe is shortened.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sampling test device, comprising a test pen (1), characterized by further comprising:

the detection device comprises a detection tube (2) which is arranged at the bottom of the detection pen (1), wherein the detection end of the detection pen (1) penetrates through the outer wall of the detection tube (2) and extends to the inner bottom wall of the detection tube (2), a first piston tube (4) is fixedly arranged above the detection pen (1), a first piston rod (5) is movably inserted at the upper end of the first piston tube (4), a connecting tube (6) is connected between the first piston tube (4) and the detection tube (2), and a material suction tube (3) is connected to the bottom of the detection tube (2);

the cleaning assembly is used for cleaning the detection pipe (2) and the material suction pipe (3) and comprises a cleaning pipe (7) connected to one end of the detection pipe (2), the other end of the detection pipe (2) is connected with an air drying pipe (8), the upper side of the cleaning pipe (7) is connected with a second piston pipe (10), a first electromagnetic valve (17) is arranged at the joint of the cleaning pipe (7) and the second piston pipe (10), a first pressing switch (16) for controlling the first electromagnetic valve (17) is arranged in the second piston pipe (10), a third piston pipe (12) is connected to the upper side of the air drying pipe (8), a second electromagnetic valve (20) is arranged at the joint of the air drying pipe (8) and the third piston pipe (12), a second pressing switch (19) for controlling the second electromagnetic valve (20) is arranged in the third piston pipe (12), and air inlet pipes (23) are arranged at the bottoms of the second piston pipe (10) and the third piston pipe (12);

the first pressure switch (16) and the bottom of the first piston tube (4) are located on the same horizontal plane, a return spring (15) is connected between the first pressure switch (16) and the inner bottom wall of the second piston tube (10), and the second pressure switch (19) is located at the bottom of the third piston tube (12).

2. The sampling and detecting device according to claim 1, wherein the cleaning assembly further comprises a second piston rod (11) movably inserted into the upper end of the second piston tube (10), a third piston rod (13) is movably inserted into the upper end of the third piston tube (12), a fixing plate (14) is fixedly mounted on the upper ends of the second piston rod (11) and the third piston rod (13), and the fixing plate (14) is elastically connected with the first piston rod (5).

3. A sample testing device according to claim 1, characterized in that said air-drying duct (8) is provided with a power supply (9) on one side, and that said air-drying duct (8) is provided with heating wires (21).

4. A sample testing device according to claim 1, characterized in that the air-drying duct (8) is provided with a plurality of shunt tubes (22) at one end, and that the end of the shunt tubes (22) remote from the air-drying duct (8) is connected to the test tube (2).

5. A sampling and testing device according to claim 1, characterized in that a plurality of spray pipes (18) are provided on one side of said cleaning pipe (7), said spray pipes (18) are all in communication with said testing pipe (2), and said cleaning pipe (7) is provided with clean water therein.