CN220019012U - Sampling device for simultaneously detecting pH and temperature - Google Patents

Abstract

The utility model belongs to the technical field of environmental monitoring, in particular to a sampling device for simultaneously detecting pH and temperature, which comprises a sampling tube, a handle rotatably connected to the top of the sampling tube, a balancing weight placed in the sampling tube, and a detection assembly arranged on the outer side wall of the sampling tube; because of having certain clearance between apron and the box body, directly soaking pH test paper, wholly be transparent structure between apron and the box body, make things convenient for quick and audio-visual looking over the colour of pH test paper, thereby obtain the pH value, simultaneously, water gets into the inside of metal drum, because of the bottom spheroid of thermometer is located the intermediate position department of metal drum, it is convenient to detect the temperature of waiting to detect water and feed back on the window of metal sheath, combine above-mentioned, pH value and temperature have been surveyed in the time of the sample, convenient timely accurate and quick reaction quality of water condition, so that the quantity that needs add acid-base fixing agent to the water sample is in time judged to the later stage, the temperature is measured on site, the real reaction of data.

Description

Sampling device for simultaneously detecting pH and temperature

Technical Field

The utility model belongs to the technical field of environmental monitoring, and particularly relates to a sampling device for simultaneously detecting pH and temperature.

Background

The detection of water quality also belongs to the environment monitoring range, and sampling devices are needed in the detection of surface water, underground water, domestic sewage, industrial wastewater and the like, and the devices are responsible for taking representative samples from the water body and preparing for subsequent detection;

the patent CN202122041229.8 discloses a sampling device for water resources, which comprises a device body, wherein one end of the device body is provided with a storage cylinder, the top end of the storage cylinder is provided with a supporting pipe, a push-pull rod is clamped in the storage cylinder, and one end of the push-pull rod is clamped with a rubber plug and other technical schemes, so that the sampling device has the technical effects of conveniently sampling water resources with different depths;

however, most of the existing detection of various water bodies needs to detect the pH value and the temperature, and the first pH value can judge the acid-base degree of the water quality so as to judge the water pollution condition; secondly, some detection projects need add acid-base fixing agent, the pH can judge the volume of acid-base fixing agent that adds, the temperature influences the operation of water microorganism reproduction, water self-purification and some water treatment technologies, so the accuracy of temperature is vital, above-mentioned sampling device function is more single when using, pH, temperature all need detect alone, increased the work load, even some need take back laboratory detection, receive the environmental impact, the temperature value has the deviation, influence detection effect and accuracy, and water inlet department does not possess filtration and cleaning effect, the condition of jam appears easily.

In order to solve the above problems, the present utility model provides a sampling device for simultaneously detecting pH and temperature.

Disclosure of Invention

To solve the problems set forth in the background art. The utility model provides a sampling device for simultaneously detecting pH and temperature, which has the characteristics of simultaneously detecting pH and temperature, being multifunctional, being convenient for filtering and cleaning water inlet positions and avoiding the occurrence of blocking.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sampling device for simultaneously detecting pH and temperature comprises a sampling tube and a handle rotatably connected to the top of the sampling tube, wherein a balancing weight is placed in the sampling tube;

the detection assembly is arranged on the outer side wall of the sampling tube;

the detection assembly comprises a metal cylinder fixedly arranged on the outer side wall of the sampling tube, a metal sleeve in threaded connection with the inner side wall of the sampling tube, and a thermometer arranged inside the metal sleeve and with the bottom end at the middle position inside the metal cylinder, wherein a box body in which pH test paper is placed is fixedly arranged on one side of the outer side wall of the sampling tube, which is close to the metal cylinder.

As the sampling device for simultaneously detecting the pH value and the temperature, the top of the box body is clamped and connected with the cover plate, a certain gap is reserved between the bottom surface of the cover plate and the upper surface of the box body, and the box body and the cover plate are made of transparent materials.

The sampling device for simultaneously detecting the pH and the temperature preferably further comprises a filtering and cleaning component arranged at the top of the sampling tube;

the filtering and cleaning assembly comprises a connecting cap which is in threaded connection with the top of the sampling tube and is provided with through grooves on the surface evenly, two scraping plates which are connected with the inner side wall and the outer side wall of the connecting cap in a rotating mode, and a connecting rod which is fixedly connected with the bottom surfaces of the two scraping plates, wherein sliding grooves are formed in the upper surface and the inner side wall of the connecting cap, the two connecting rods are located in the sliding grooves respectively and are connected with the connecting cap in a sliding mode, and the tail ends of the connecting rods protrude out of the outer side wall of the connecting cap.

The sampling device for simultaneously detecting the pH value and the temperature preferably further comprises a penetrating rod fixedly arranged at the center of the connecting cap and penetrating through the connecting cap, and a sleeve fixedly arranged on the side surface of the top end of the scraping plate and mutually matched with the penetrating rod.

As the sampling device for simultaneously detecting the pH value and the temperature, the sampling device is preferable, and further comprises clamping grooves symmetrically formed in the outer side wall of the bottom end of the connecting rod and protruding blocks symmetrically and annularly fixedly arranged in the sliding groove, wherein the inner space of the clamping grooves and the volumes of the protruding blocks are mutually matched.

As a sampling device for simultaneously detecting pH and temperature, the utility model is preferable, conical plates are integrally formed on two sides of the scraping plate, and the scraping plate has an arc-shaped structure;

the scraping plate positioned on the outer side wall of the connecting cap is contacted with the surface of the connecting cap;

the scraping plate positioned on the inner side wall of the connecting cap is contacted with the inner face of the connecting cap.

Preferably, the sampling device for simultaneously detecting pH and temperature according to the present utility model further comprises an auxiliary component provided on the surface of the scraper inside the connection cap;

the auxiliary assembly comprises a convex rod which is in square matrix sliding connection with the inner part of the surface of the scraping plate, a cone fixedly arranged at the top of the convex rod and a spring fixedly connected between the convex rod and the scraping plate.

As a sampling device for simultaneously detecting pH and temperature, the convex rod and the through groove which are arranged in a square matrix are preferably mutually matched.

Compared with the prior art, the utility model has the beneficial effects that:

the detection assembly is arranged on the outer side wall of the sampling tube, the pH test paper is placed in the box body, when the sampling tube is placed in water to take water, the pH test paper is directly soaked due to a certain gap between the cover plate and the box body, the whole part between the cover plate and the box body is of a transparent structure, so that the pH test paper is conveniently, quickly and intuitively checked, and the pH value is obtained, meanwhile, water enters the metal cylinder, and meanwhile, the bottom sphere of the thermometer is positioned in the middle position of the metal cylinder, so that the temperature of the water to be detected is conveniently and timely detected and fed back to the window hole of the metal sleeve, and the pH value and the temperature are conveniently, timely, accurately and quickly detected in combination with the above steps, so that the amount of the acid-base fixing agent to be added to the water sample can be conveniently, the on-site fixing agent adding efficiency is improved, the temperature on-site detection is realized, the real reaction of the data is not needed, the time and manpower are saved, and the working efficiency is improved;

the cooperation sets up the filtration clearance subassembly at the sampling tube top, when the water gets into the inside of sampling tube through the logical groove at connecting the cap top, play preliminary filtration's effect through logical groove, avoid too much impurity to get into inside the sampling tube, influence purity and later detection, after the sample, but the hand is held in the connecting rod on upper portion, and make it slide in the inside of spout, until sliding to the end, the scraper blade is circular motion at the surface of connecting the cap simultaneously, conveniently clear up the impurity and the rubbish of adhesion at the connecting cap surface, improve the cleanliness of the device, the connecting rod that is in the lower part is held between the hands again, the same with above-mentioned operation process, scrape the impurity of connecting cap inside wall adhesion through the scraper blade of connecting the cap inside, simultaneously, under the spring action of cooperation auxiliary assembly, drive the centrum reciprocates, the pivoted in-process, conveniently push out the rubbish of card in logical inslot, improve the holistic purity of connecting cap, and make things convenient for next sample, the convenience filters and the clearance, avoid appearing blocking and influence the effect of next sample.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a connection diagram of a screed and an accessory assembly in accordance with the present utility model;

FIG. 3 is a perspective view of an accessory assembly of the present utility model;

FIG. 4 is an internal view of the connecting rod of the present utility model in the installation of the connecting cap;

in the figure:

10. a sampling tube; 11. balancing weight;

20. a detection assembly; 21. a metal cylinder; 22. a metal sleeve; 23. a thermometer; 24. a case body; 25. a pH test paper;

30. a filtering and cleaning assembly; 31. a connecting cap; 32. a through groove; 33. a sleeve; 34. a scraper; 35. a connecting rod; 36. a chute; 37. a clamping groove; 38. a cone plate; 39. a bump;

40. an auxiliary component; 41. a protruding rod; 42. a vertebral body; 43. a spring; 44. and a slide hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

As shown in fig. 1-4;

the sampling device for simultaneously detecting pH and temperature comprises a sampling tube 10 and a handle rotatably connected to the top of the sampling tube 10, wherein a balancing weight 11 is arranged in the sampling tube 10;

the detection assembly 20 is arranged on the outer side wall of the sampling tube 10;

the detection assembly 20 comprises a metal cylinder 21 fixedly arranged on the outer side wall of the sampling tube 10, a metal sleeve 22 in threaded connection with the inner side wall of the sampling tube 10, and a thermometer 23 arranged inside the metal sleeve 22 and the bottom end of which is positioned at the middle position inside the metal cylinder 21, wherein a box body 24 in which a pH test paper 25 is placed is fixedly arranged on one side, close to the metal cylinder 21, of the outer side wall of the sampling tube 10.

In this embodiment: the balancing weight 11 is placed to the inside of the sampling tube 10, the holistic weight of the sampling tube 10 is increased, when water is conveniently taken, the holistic subsidence of the device is convenient, the pH test paper 25 is conveniently placed to the inside of the box body 24, when the sampling tube 10 is placed in water for water taking, the handle is directly held to lightly press the sampling tube 10 into water, the water sample can enter the inside of the sampling tube 10, due to the fact that a certain gap is formed between the cover plate and the box body 24, the pH test paper 25 is directly soaked, the whole between the cover plate and the box body 24 is of a transparent structure, the color of the pH test paper 25 is conveniently and rapidly checked, thereby the pH value is obtained, meanwhile, the water enters the inside of the metal cylinder 21, the bottom sphere of the thermometer 23 is located at the middle position of the metal cylinder 21, the temperature of the water to be detected is conveniently detected and fed back to the window hole of the metal sleeve 22, the pH value and the temperature are measured when the water sample is taken, the condition of the water sample is conveniently, the water sample is timely and accurately and rapidly reflected, the quantity of the acid-base fixing agent is required to be added is timely judged, the site is improved, the efficiency of the fixing agent is required to be added, the site is measured, the real reaction is unnecessary, the pH value is detected, the time is required to be singly detected, the pH value is singly detected, the time is required to be singly detected, and the labor is saved.

It should be noted that: in this embodiment, the device may be placed in water for sampling by attaching a string or a fishing rod-like structure to the handle, and the thermometer 23 is of a type used exclusively in water.

It should be noted that: in this embodiment, a filter plate is installed between the metal cylinder 21 and the metal sleeve 22, which is convenient for playing a certain filtering effect on water entering the metal cylinder 21, avoiding impurities in water, such as small stones or stones, damaging the bottom of the thermometer 23, and playing a certain protection role on the thermometer 23.

It should be noted that: in this embodiment, the metal cylinder 21 and the metal sleeve 22 are made of corrosion-resistant and rust-resistant metal materials, so that the service life of the metal cylinder is prolonged.

In an alternative embodiment, the top of the case 24 is connected to a cover plate in a clamping manner, a certain gap is formed between the bottom surface of the cover plate and the upper surface of the case 24, and the case 24 and the cover plate are made of transparent materials.

In this embodiment: after the pH test paper 25 is placed in the box 24, when the sampling tube 10 enters water, the water is penetrated into the surface of the pH test paper 25 through the gap, so that the pH value of the water to be detected can be conveniently, quickly and timely detected.

In an alternative embodiment, the filter cleaning assembly 30 is also included at the top of the sampling cartridge 10;

the filtering and cleaning assembly 30 comprises a connecting cap 31 which is in threaded connection with the top of the sampling tube 10 and is provided with a through groove 32 on the surface uniformly, two scraping plates 34 which are connected to the inner side wall and the outer side wall of the connecting cap 31 in a rotating manner, and a connecting rod 35 which is fixedly connected to the bottom surfaces of the two scraping plates 34, wherein sliding grooves 36 are formed in the upper surface and the inner side wall of the connecting cap 31, the two connecting rods 35 are respectively positioned in the two sliding grooves 36 and are in sliding connection with the connecting cap 31, and the tail ends of the connecting rods 35 protrude out of the outer side wall of the connecting cap 31.

In this embodiment: when water gets into the inside of sampling tube 10 through the logical groove 32 at connecting cap 31 top, play preliminary filtration's effect through logical groove 32, avoid too much impurity to get into inside the sampling tube 10, influence purity and later detection, after the sample, but the hand hold be in connecting rod 35 on upper portion, and make it slide in spout 36's inside, until sliding to terminal, scraper blade 34 is circular motion at the surface of connecting cap 31 simultaneously, conveniently clear up impurity and rubbish adhesion at connecting cap 31 surface, improve the cleanliness of the device, again hand hold be in connecting rod 35 of lower part, the same with above-mentioned operation process, scrape the impurity of connecting cap 31 inside wall adhesion through the scraper blade 34 of connecting cap 31 inside.

It should be noted that: in this embodiment: the whole connecting cap 31 is in a hat shape, the top of the connecting cap is convex, and after the sampling is finished, the impurities with large mass and large volume can automatically slide to the outside of the sampling tube 10 under the shape of the connecting cap 31, so that the impurities can be cleaned in an auxiliary way.

In an alternative embodiment, it further comprises a penetrating rod fixedly provided at the center of the connection cap 31 and penetrating the connection cap 31, and a sleeve 33 fixedly provided at the top side of the scraper 34 and fitted with the penetrating rod.

In this embodiment: when the two scrapers 34 rotate, the scrapers 34 can always do circular motion by taking the center of the connecting cap 31 as the center of a circle under the action of the penetrating rod and the sleeve 33, the adhesion between the scrapers 34 and the connecting cap 31 is ensured, and the surface of the connecting cap 31 is convenient to clean comprehensively.

In an alternative embodiment, the device further comprises a clamping groove 37 symmetrically arranged on the outer side wall of the bottom end of the connecting rod 35 and a convex block 39 symmetrically and annularly fixedly arranged in the sliding groove 36, wherein the inner space of the clamping groove 37 and the volume of the convex block 39 are mutually matched.

In this embodiment: when the hand-pinching connecting rod 35 rotates the scraping plate 34 to a certain position, the plurality of protruding blocks 39 are fixedly arranged in the chute 36 in a ring shape and are mutually matched with the clamping groove 37, so that the position of the connecting rod 35 is conveniently locked, and self-movement is avoided.

It should be noted that: in the present embodiment, the top view of the chute 36 is a circle with a notch, wherein the connecting cap 31 at the position corresponding to the notch is not provided with the through slot 32.

It should be noted that: in this embodiment: when the scrapers 34 are not used, the two scrapers 34 can be arranged at the notch positions, so that the water taking speed in the sampling tube 10 and the filtering effect of the connecting cap 31 are not affected.

In an alternative embodiment, conical plates 38 are integrally formed on two sides of the scraping plate 34, and the scraping plate 34 has an arc-shaped structure;

the scraper 34 at the outer side wall of the connection cap 31 is in contact with the surface of the connection cap 31;

the scraper 34 on the inner side wall of the connection cap 31 contacts the inner face of the connection cap 31.

In this embodiment: the impact force and effect of scraping impurities on the surface of the connecting cap 31 by the scraping plate 34 are improved through the conical plate 38, and the arc-shaped structure is beneficial to clinging to the surface of the connecting cap 31;

the design of the structure is convenient, comprehensive and targeted to clean impurities on the connecting cap 31.

In an alternative embodiment, the attachment cap 31 further includes an auxiliary assembly 40 disposed on the surface of the scraper 34 inside the attachment cap 31;

the auxiliary assembly 40 comprises a convex rod 41 which is in square matrix sliding connection in a sliding hole 44 formed on the surface of the scraping plate 34, a cone 42 fixedly arranged on the top of the convex rod 41 and a spring 43 fixedly connected between the convex rod 41 and the scraping plate 34.

In this embodiment: when the scraper 34 in the inside rotates, the protruding rod 41 of the auxiliary assembly 40 is matched with the action of the spring 43 in the sliding hole 44 to drive the cone 42 to move up and down, and in the rotating process, garbage clamped in the through groove 32 is conveniently ejected, so that the overall cleanliness of the connecting cap 31 is improved, the next sampling is convenient, the filtering and cleaning are convenient, and the blocking and the effect affecting the next sampling are avoided.

It should be noted that: in this embodiment: the elasticity generated by the spring 43 driving the convex rod 41 is smaller than the rotating force generated when the scraper 34 is rotated, so that the convex rod 41 is prevented from being blocked in the through groove 32.

In an alternative embodiment, the protruding bars 41 arranged in a square matrix are adapted to the through grooves 32.

In this embodiment: the cleaning effect of the convex rod 41 and the cone 42 on the through groove 32 on the connecting cap 31 is improved.

The working principle and the using flow of the utility model are as follows:

the balancing weight 11 is placed in the sampling tube 10, the whole weight of the sampling tube 10 is increased, when water is conveniently taken, the whole sinking of the device is convenient to take samples, the pH test paper 25 is placed in the box body 24, when the sampling tube 10 is placed in water to take water, the handle is directly held to lightly press the sampling tube 10 into the water, the water sample can enter the sampling tube 10, a certain gap is reserved between the cover plate and the box body 24, the pH test paper 25 is directly soaked, the whole cover plate and the box body 24 are of a transparent structure, the color of the pH test paper 25 is conveniently and rapidly checked, so that the pH value is obtained, meanwhile, the water enters the metal cylinder 21, the bottom sphere of the thermometer 23 is positioned in the middle position of the metal cylinder 21, the temperature of the water to be detected is conveniently detected and fed back to the window hole of the metal sleeve 22, the pH value and the temperature are measured when the water sample is taken, so that the water sample is conveniently, timely, accurately and rapidly reacts with the water quality condition in time, the amount of an acid-base fixing agent is required to be added is timely judged in time, the site, the efficiency of the temperature is required to be actually measured, the water sample is required to be measured, the water sample is singly, the pH value is not required to be singly detected, the pH value is required to be singly, the time is saved, and the working efficiency is improved;

when water enters the inside of the sampling tube 10 through the through groove 32 at the top of the connecting cap 31, the effect of preliminary filtration is achieved through the through groove 32, excessive impurities are prevented from entering the inside of the sampling tube 10, purity and later detection are affected, after sampling is finished, the connecting rod 35 at the upper part can be pinched by hand, the connecting rod 35 slides in the chute 36 until the connecting rod slides to the extreme end, meanwhile, the scraping plate 34 performs circular motion on the surface of the connecting cap 31, impurities and garbage adhered to the surface of the connecting cap 31 are conveniently cleaned, the impact force and effect of the scraping plate 34 for scraping the impurities on the surface of the connecting cap 31 are improved through the conical plate 38, the arc-shaped structure is beneficial to clinging to the surface of the connecting cap 31, when the two scraping plates 34 rotate, the scraping plate 34 can always perform circular motion by taking the center of the connecting cap 31 as the center of the circle, the degree of adhesion between the scraping plate 34 and the connecting cap 31 is ensured, the overall cleaning of the surface of the connecting cap 31 is conveniently achieved, the scraping plate 34 is further pinched by hand at the connecting rod 35 at the lower part, the same as the operation process, the scraping plate 34 is convenient to move to the chute 35 due to the fact that the inner side wall of the scraping plate 34 is adhered to the connecting cap 31, and the circular position is conveniently locked with the connecting rod 35 when the connecting rod is matched with the chute at the position of the inner part of the connecting rod 35;

when the scraper 34 in the inside rotates, the protruding rod 41 of the auxiliary assembly 40 is matched with the action of the spring 43 in the sliding hole 44 to drive the cone 42 to move up and down, and in the rotating process, garbage clamped in the through groove 32 is conveniently ejected, so that the overall cleanliness of the connecting cap 31 is improved, the next sampling is convenient, the filtering and cleaning are convenient, and the blocking and the effect affecting the next sampling are avoided.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The utility model provides a sampling device of simultaneous detection pH, temperature, includes sampling tube (10) and rotates the handle of connecting sampling tube (10) top, its characterized in that: a balancing weight (11) is arranged in the sampling tube (10);

the detecting assembly (20) is arranged on the outer side wall of the sampling tube (10);

the detection assembly (20) comprises a metal cylinder (21) fixedly arranged on the outer side wall of the sampling cylinder (10) and a metal sleeve (22) in threaded connection with the inner side wall of the sampling cylinder (10), and a thermometer (23) which is arranged inside the metal sleeve (22) and the bottom of which is positioned at the middle position inside the metal cylinder (21), wherein a box body (24) in which a pH test paper (25) is arranged is fixedly arranged on one side of the outer side wall of the sampling cylinder (10) close to the metal cylinder (21).

2. The sampling device for simultaneous detection of pH and temperature according to claim 1, wherein: the top block of box body (24) is connected with the apron, the bottom surface of apron with have certain clearance between the upper surface of box body (24), just box body (24) and apron are transparent material.

3. The sampling device for simultaneous detection of pH and temperature according to claim 1, wherein: the device also comprises a filtering and cleaning component (30) arranged at the top of the sampling tube (10);

the filtering and cleaning assembly (30) comprises a connecting cap (31) with a through groove (32) and connecting rods (35) which are connected to the inner side wall and the outer side wall of the connecting cap (31) in a threaded mode, wherein the connecting caps (31) are connected to the top of the sampling tube (10) in a threaded mode, the surfaces of the connecting caps are uniformly provided with the through grooves (32), the connecting rods (35) are fixedly connected to the bottom surfaces of the two scraping plates (34), sliding grooves (36) are formed in the upper surface and the inner side wall of the connecting cap (31), the two connecting rods (35) are located in the sliding grooves (36) respectively and are connected with the connecting cap (31) in a sliding mode, and the tail ends of the connecting rods (35) protrude out of the outer side walls of the connecting caps (31).

4. A sampling device for simultaneous detection of pH and temperature according to claim 3, wherein: the scraper blade (34) is characterized by further comprising a penetrating rod fixedly arranged at the center of the connecting cap (31) and penetrating through the connecting cap (31) and a sleeve (33) fixedly arranged on the side surface of the top end of the scraper blade (34) and mutually matched with the penetrating rod.

5. A sampling device for simultaneous detection of pH and temperature according to claim 3, wherein: the novel sliding chute is characterized by further comprising clamping grooves (37) symmetrically formed in the outer side wall of the bottom end of the connecting rod (35) and protruding blocks (39) symmetrically and annularly fixedly arranged in the sliding chute (36), wherein the inner space of the clamping grooves (37) and the volumes of the protruding blocks (39) are mutually matched.

6. A sampling device for simultaneous detection of pH and temperature according to claim 3, wherein: conical plates (38) are integrally formed on two sides of the scraping plate (34), and the scraping plate (34) is of an arc-shaped structure;

the scraping plate (34) positioned on the outer side wall of the connecting cap (31) is contacted with the surface of the connecting cap (31);

the scraping plate (34) positioned on the inner side wall of the connecting cap (31) is contacted with the inner surface of the connecting cap (31).

7. A sampling device for simultaneous detection of pH and temperature according to claim 3, wherein: further comprising an auxiliary assembly (40) provided on the surface of the scraper (34) inside the connection cap (31);

the auxiliary assembly (40) comprises a protruding rod (41) which is in square matrix sliding connection in a sliding hole (44) formed in the surface of the scraping plate (34), a cone (42) fixedly arranged at the top of the protruding rod (41) and a spring (43) fixedly connected between the protruding rod (41) and the scraping plate (34).

8. The sampling device for simultaneous detection of pH and temperature of claim 7, wherein: the convex rods (41) arranged in a square matrix shape are mutually matched with the through grooves (32).