Sample collecting device for environment detection

Abstract

The invention discloses a sample collection device for environment detection, belongs to the technical field of environment detection, and aims to solve the problems that particles in collected samples are mixed in size and the accuracy and reliability of subsequent analysis are influenced because the particles in the collected samples cannot be screened in size. Collected soil is smashed through the smashing assembly and then screened through the conical filter screen, the soil with the qualified particle size falls into the discharging frame and then is conveyed into the sampling pipe through the spiral plate, the particle size of the collected soil is uniform, and subsequent physical, chemical and biological property analysis is facilitated; the accuracy of a detection result is improved, soil in an area can be divided into a plurality of sampling pipes to be collected, so that the accuracy of the detection result is improved, and then the linkage of scraping of the soil accumulated at the upper end of the conical filter screen and conveying of the soil into the sample pipe from the discharging barrel is realized; and the linkage between the replacement of the sampling tube gap and the stopping of the spiral plate conveying the soil is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of environmental detection, and in particular to a sample collection device for environmental detection. Background Art

[0002] my country's urbanization process is constantly accelerating. Many urban constructions are based on improving economic benefits. When improving urban construction for economic benefits, the environment has gradually been taken seriously. Therefore, people pay more and more attention to the research on non-cohesive soils, especially civil engineering. Soil experiments are required before construction, which requires soil sampling first and then analysis.

[0003] Chinese patent document CN208187750U discloses a civil engineering soil sample collection device, including a hollow drill bit, a soil sample storage box, a handle and a limit plate, a mounting shell is installed at the central position of the bottom of the soil sample storage box, the output end of the electric telescopic rod is installed with a soil collection tube through the mounting head, the four corners of the bottom of the soil sample storage box outside the mounting shell are all installed with support rods, a handle is installed at the central position of the top of the soil sample storage box, a turntable is installed at the top of the soil sample storage box, and a fixed disc is installed at the bottom of the turntable, and the bottom of the fixed disc is evenly spaced with a collection tube fixing frame. Although the device realizes the collection of soil samples, it has limitations. When collecting and sampling soil environmental detection, there are certain requirements for the size of soil particles. The size of the particles will directly affect the physical, chemical and biological properties of the soil. This setting cannot screen soil particles, and cannot achieve single-point multiple continuous sampling, thereby reducing the sampling efficiency.

[0004] Therefore, in order to solve such problems, we propose a sample collection device for environmental detection. Summary of the invention

[0005] The object of the present invention is to provide a sample collection device for environmental testing, aiming to solve the problem in the above-mentioned background technology that the collected soil samples cannot be screened by particle size, resulting in mixed particle sizes in the collected samples, affecting the accuracy and reliability of subsequent analysis.

[0006] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a sample collection device for environmental detection, comprising a base, a first mounting groove is provided at the upper end of the base, a second mounting groove is provided at the inner side wall of the first mounting groove, a fixing component is provided on the inner wall of the first mounting groove, a driving component is provided on the inner wall of the second mounting groove, a first mounting frame is fixedly connected to the upper end of the base, a crushing component is provided on the inner wall of the first mounting frame away from the end of the base, mounting columns are fixedly connected to the two inner walls of the first mounting frame respectively, a mounting shell is fixedly connected to the adjacent ends of the two mounting columns, a second mounting frame is fixedly connected to the inner wall of the first mounting frame, the second mounting frame is located below the mounting columns, and the second mounting frame is fixedly connected to the inner wall of the first mounting frame. A mounting ring is fixedly connected to the inner wall of the frame, a mounting bracket is fixedly connected to the inner wall of the mounting ring, a conical filter is fixedly connected to the upper end of the mounting bracket, a discharging frame is fixedly connected to the lower end of the mounting ring, a discharging barrel is fixedly connected to the lower end of the discharging frame, a material blocking component is arranged at the lower end of the discharging barrel, a second motor is fixedly connected to the top wall of the mounting shell, a third rotating column is fixedly connected to the output end of the second motor, the third rotating column passes through the conical filter and the mounting bracket, and an end of the third rotating column away from the second motor is located in the discharging barrel, a first scraper is fixedly connected to the side wall of the third rotating column, the first scraper is slidably connected to the side wall of the conical filter, and a spiral plate is fixedly connected to the side wall of the third rotating column located inside the discharging barrel.

[0007] Preferably, the material blocking assembly includes a material blocking plate, one end of the material blocking plate is fixedly connected to a connecting plate, one end of the connecting plate is provided with a fifth mounting groove, the inner wall of the fifth mounting groove is fixedly connected to a connecting seat, one end of the connecting seat is rotatably connected to a connecting rod, the end of the connecting rod away from the connecting seat is fixedly connected to the side wall of the unloading barrel, the side wall of the connecting plate away from one end of the fifth mounting groove is fixedly connected to a third spring, and the end of the third spring away from the connecting plate is fixedly connected to the side wall of the unloading barrel.

[0008] Preferably, the fixed component includes a stepper motor, a rotating disk is fixedly connected to the output end of the stepper motor, and the stepper motor is fixedly connected to the inner wall of the first mounting groove, the rotating disk is movably connected to the inner wall of the first mounting groove, four driving blocks are evenly fixedly connected to the side wall of the rotating disk, four third mounting grooves are evenly opened on the upper end of the rotating disk, three fourth mounting grooves are evenly opened on the side wall of the third mounting groove, a first spring is fixedly connected to the inner wall of the fourth mounting groove, one end of the first spring is fixedly connected to a fixed block, and the fixed block is slidably connected to the inner wall of the fourth mounting groove.

[0009] Preferably, the driving assembly includes an extrusion switch, one end of the extrusion switch is fixedly connected to the inner wall of the second mounting groove, the extrusion switch is electrically connected to the second motor, second springs are respectively provided on both sides of the extrusion switch, one end of the second spring is fixedly connected to the inner wall of the second mounting groove, the other end of the second spring is fixedly connected to a push block, and the push block is slidably connected to the inner wall of the second mounting groove.

[0010] Preferably, the side wall of the first installation frame is fixedly connected to the first motor through a bracket, and the crushing assembly includes a first rotating column, one end of the first rotating column is fixedly connected to the output end of the first motor, an end of the first rotating column away from the first motor passes through the side wall of the first installation frame, the side wall of the first rotating column located outside the first installation frame is fixedly connected to the first gear, the side wall of the first gear is meshed with the second gear, the second gear is fixedly connected to the inside of the second rotating column, an end of the second rotating column away from the first motor passes through the side wall of the first installation frame, and one end of the first rotating column and the second rotating column located inside the first installation frame are both fixedly connected to crushing rollers.

[0011] Preferably, one end of the first scraper away from the third rotating column is fixedly connected to the second scraper, the second scraper is slidably connected to the inner wall of the second installation frame, and the side wall of the second scraper away from the third rotating column is arc-shaped.

[0012] Preferably, the first installation frame is fixedly connected to the upper end with a first material guide frame, the installation shell is fixedly connected to the upper end with a material guide shell, and the second installation frame is fixedly connected to the upper end with a second material guide frame.

[0013] Preferably, one end of the two material blocking plates away from the connecting plate abuts against each other, and one end of the connecting rod away from the connecting seat is arc-shaped.

[0014] Preferably, a first discharge port is formed on a side wall of the first installation frame, and a second discharge port is formed on a side wall of the second installation frame, and the first discharge port is communicated with the second discharge port.

[0015] Preferably, the side wall of the first scraper in contact with the conical filter is arc-shaped, the side wall of the first scraper away from the third rotating column is provided with an inclined surface, and the end of the first scraper away from the third rotating column is slidably connected to the upper surface of the mounting ring.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention proposes a sample collection device for environmental testing. The collected soil is crushed by a crushing component and then sieved by a conical filter. Soil with qualified particle size falls into a discharging frame and is then transported to a sampling tube by a spiral plate, so that the collected soil has uniform particle size, which is convenient for subsequent physical, chemical and biological property analysis, improves the accuracy and reliability of the test results, and can divide the soil in an area into multiple sampling tubes for collection, thereby increasing the accuracy of the test results. Secondly, the linkage between the scraping of the accumulated soil on the upper end of the conical filter and the transportation of the soil from the lower barrel to the sample tube, as well as the linkage between the replacement of the sampling tube gap and the stop of the spiral plate to transport the soil is realized, which simplifies the operation process and improves the work efficiency. At the same time, through the linkage mechanism, it can be ensured that when the sampling tube gap is replaced, the spiral plate can automatically stop transporting the soil, thereby avoiding the waste of soil samples. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A three-dimensional schematic diagram of the present invention Figure 1 ;

[0019] Figure 2 A three-dimensional schematic diagram of the present invention Figure 2 ;

[0020] Figure 3 A three-dimensional schematic diagram of the present invention Figure 3 ;

[0021] Figure 4 It is a three-dimensional explosion schematic diagram of the broken components in the present invention;

[0022] Figure 5 It is a three-dimensional exploded schematic diagram of the fixing assembly in the present invention;

[0023] Figure 6 It is a three-dimensional schematic diagram of the internal structure of the second installation frame in the present invention;

[0024] Figure 7 It is a three-dimensional exploded schematic diagram of the internal structure of the second installation frame in the present invention;

[0025] Figure 8 is a three-dimensional schematic diagram of the second installation frame in the present invention;

[0026] Fig. 9 It is a three-dimensional exploded schematic diagram of the driving component in the present invention;

[0027] Fig.10 It is a three-dimensional exploded schematic diagram of the barrier component in the present invention.

[0028] Legend:

[0029] 1. Base; 101. First mounting slot; 102. Second mounting slot; 11. Fixing assembly; 111. Stepping motor; 112. Rotating plate; 113. Driving block; 114. Third mounting slot; 115. Fourth mounting slot; 116. First spring; 117. Fixing block; 12. Driving assembly; 121. Extrusion switch; 122. Second spring; 123. Pushing block; 2. First mounting frame; 201. First material outlet; 202. First material guide frame; 21. First motor; 22. Breaking assembly; 221. First rotating column; 222. First gear; 223. Second gear; 224. Second Rotating column; 225, breaking roller; 23, mounting column; 231, mounting shell; 232, material guide shell; 24, second mounting frame; 241, second material discharge port; 242, second material guide frame; 25, mounting ring; 251, mounting frame; 252, conical filter screen; 253, material discharge frame; 254, material discharge barrel; 26, second motor; 261, third rotating column; 262, first scraper; 263, spiral plate; 264, second scraper; 27, material blocking assembly; 271, material blocking plate; 272, connecting plate; 273, fifth mounting slot; 274, connecting seat; 275, connecting rod; 276, third spring. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] In order to solve the problem that the collected soil samples cannot be screened by particle size, resulting in mixed particle sizes in the collected samples, affecting the accuracy and reliability of subsequent analysis, please refer to Figure 1-Figure 5 , providing the following preferred technical solutions.

[0032] An embodiment of the present invention is as follows: a sample collection device for environmental detection comprises a base 1, a first mounting groove 101 is provided at the upper end of the base 1, a second mounting groove 102 is provided on the inner wall of the first mounting groove 101, a fixing component 11 is provided on the inner wall of the first mounting groove 101, a driving component 12 is provided on the inner wall of the second mounting groove 102, a first mounting frame 2 is fixedly connected to the upper end of the base 1, a crushing component 22 is provided on the inner wall of the first mounting frame 2 away from the end of the base 1, mounting columns 23 are fixedly connected to the two inner walls of the first mounting frame 2, mounting shells 231 are fixedly connected to the adjacent ends of the two mounting columns 23, a second mounting frame 24 is fixedly connected to the inner wall of the first mounting frame 2, the second mounting frame 24 is located below the mounting columns 23, a mounting ring 25 is fixedly connected to the inner wall of the second mounting frame 24, and the inner wall of the mounting ring 25 A mounting frame 251 is fixedly connected, a conical filter screen 252 is fixedly connected to the upper end of the mounting frame 251, a discharging frame 253 is fixedly connected to the lower end of the mounting ring 25, a discharge barrel 254 is fixedly connected to the lower end of the discharge frame 253, a material blocking component 27 is provided at the lower end of the discharge barrel 254, a second motor 26 is fixedly connected to the inner top wall of the mounting shell 231, a third rotating column 261 is fixedly connected to the output end of the second motor 26, the third rotating column 261 passes through the conical filter screen 252 and the mounting frame 251, and the end of the third rotating column 261 away from the second motor 26 is located in the discharge barrel 254, a first scraper 262 is fixedly connected to the side wall of the third rotating column 261, the first scraper 262 is slidably connected to the side wall of the conical filter screen 252, and a spiral plate 263 is fixedly connected to the side wall of the third rotating column 261 located inside the discharge barrel 254.

[0033] Specifically, the soil sample is placed into the first installation frame 2 from directly above the first installation frame 2, and is firstly broken by the breaking component 22. Then, the broken soil falls naturally due to gravity, and then the broken soil is screened by the conical filter 252. The second motor 26 is started, so that the second motor 26 drives the third rotating column 261 to rotate, and the third rotating column 261 simultaneously drives the first scraper 262 and the spiral plate 263 to rotate, so that the first scraper 262 scrapes the soil accumulated on the upper end of the conical filter 252, thereby avoiding soil accumulation. As the first scraper 262 rotates, large pieces of soil are discharged from the first discharge port 201, and soil of qualified size falls into the discharge frame 253 after passing through the conical filter 252, and is transported from the lower barrel 254 to the sample tube through the conveying of the spiral plate 263, and the linkage between the scraping of the soil accumulated on the upper end of the conical filter 252 and the transport of the soil from the lower barrel 254 to the sample tube is realized.

[0034] The material blocking assembly 27 includes a material blocking plate 271, one end of which is fixedly connected to a connecting plate 272, one end of which is provided with a fifth mounting groove 273, the inner wall of the fifth mounting groove 273 is fixedly connected to a connecting seat 274, one end of the connecting seat 274 is rotatably connected to a connecting rod 275, one end of the connecting rod 275 away from the connecting seat 274 is fixedly connected to the side wall of the discharge barrel 254, the side wall of the connecting plate 272 away from the fifth mounting groove 273 is fixedly connected to a third spring 276, and the end of the third spring 276 away from the connecting plate 272 is fixedly connected to the side wall of the discharge barrel 254.

[0035] Specifically, when soil is not being discharged, the elastic force of the third spring 276 is used to make the third spring 276 drive the connecting seat 274 to rotate around one end of the connecting rod 275 through the connecting plate 272, so that the connecting plate 272 drives the blocking plate 271 to abut against the discharge barrel 254, thereby blocking the soil.

[0036] The fixed component 11 includes a stepper motor 111, a rotating disk 112 is fixedly connected to the output end of the stepper motor 111, and the stepper motor 111 is fixedly connected to the inner wall of the first mounting groove 101, the rotating disk 112 is movably connected to the inner wall of the first mounting groove 101, four driving blocks 113 are evenly fixedly connected to the side wall of the rotating disk 112, four third mounting grooves 114 are evenly opened on the upper end of the rotating disk 112, three fourth mounting grooves 115 are evenly opened on the side wall of the third mounting groove 114, a first spring 116 is fixedly connected to the inner wall of the fourth mounting groove 115, one end of the first spring 116 is fixedly connected to a fixed block 117, and the fixed block 117 is slidably connected to the inner wall of the fourth mounting groove 115.

[0037] Specifically, the sampling tube is inserted into the third mounting groove 114, and then the elastic force of the first spring 116 is used to clamp the sampling tube through the fixing block 117, thereby fixing the sampling tube, and the elastic characteristics of the first spring 116 are used to fix sampling tubes of different sizes, thereby increasing the scope of use, and then the stepper motor 111 is started, so that the stepper motor 111 drives the rotating disk 112 to rotate, and the rotating disk 112 drives the sampling tube to rotate, so that the sampling tube rotates to the bottom of the lower barrel 254, thereby sampling soil of suitable size.

[0038] The driving assembly 12 includes an extrusion switch 121, one end of which is fixedly connected to the inner wall of the second mounting groove 102, the extrusion switch 121 is electrically connected to the second motor 26, and second springs 122 are respectively provided on both sides of the extrusion switch 121, one end of the second spring 122 is fixedly connected to the inner wall of the second mounting groove 102, and the other end of the second spring 122 is fixedly connected to a push block 123, and the push block 123 is slidably connected to the inner wall of the second mounting groove 102.

[0039] Specifically, when the stepping motor 111 is used to drive the rotating disk 112 to rotate, the rotating disk 112 drives the driving block 113 to rotate. After the driving block 113 contacts the pushing block 123, as the rotating disk 112 continues to rotate, the driving block 113 gradually squeezes the pushing block 123, so that the end of the pushing block 123 away from the driving block 113 gradually slides into the second mounting groove 102 and squeezes the second spring 122. When the end of the pushing block 123 away from the driving block 113 gradually slides into the distance of one end of the second mounting groove 102, the squeezing of the squeezing switch 121 is realized, and then the squeezing switch 121 is used to control the opening of the second motor 26.

[0040] The first motor 21 is fixedly connected to the side wall of the first installation frame 2 through a bracket, and the crushing assembly 22 includes a first rotating column 221, one end of the first rotating column 221 is fixedly connected to the output end of the first motor 21, and the end of the first rotating column 221 away from the first motor 21 passes through the side wall of the first installation frame 2, and the side wall of the first rotating column 221 located outside the first installation frame 2 is fixedly connected with a first gear 222, and the side wall of the first gear 222 is meshedly connected with a second gear 223, and the second gear 223 is fixedly connected with a second rotating column 224 inside. The end of the second rotating column 224 away from the first motor 21 passes through the side wall of the first installation frame 2, and the ends of the first rotating column 221 and the second rotating column 224 located inside the first installation frame 2 are fixedly connected with a crushing roller 225.

[0041] Specifically, it is used to start the first motor 21, so that the first motor 21 drives the first rotating column 221 to rotate, so that the first rotating column 221 drives the first gear 222 to rotate, so that the first gear 222 drives the second gear 223 to rotate, so that the second gear 223 drives the second rotating column 224 to rotate, so that the first rotating column 221 and the second rotating column 224 simultaneously drive the crushing roller 225 to rotate, thereby crushing the soil to be crushed.

[0042] Furthermore, in order to enhance the stability of the device, Figure 4-Figure 9 As shown, the following preferred technical solutions are provided.

[0043] One end of the first scraper 262 away from the third rotating column 261 is fixedly connected to the second scraper 264 . The second scraper 264 is slidably connected to the inner wall of the second installation frame 24 , and the side wall of the second scraper 264 away from the third rotating column 261 is arc-shaped.

[0044] The first installation frame 2 is fixedly connected to the upper end with a first material guide frame 202, the installation shell 231 is fixedly connected to the upper end with a material guide shell 232, and the second installation frame 24 is fixedly connected to the upper end with a second material guide frame 242, which is used for guiding soil to avoid soil accumulation on the upper ends of the second installation frame 24 and the material guide shell 232.

[0045] The two material blocking plates 271 are in contact with each other at one end away from the connecting plate 272, and the connecting rod 275 is arc-shaped at one end away from the connecting seat 274, which is used to increase the tightness of the connection between the two material blocking plates 271 and reduce material leakage, so that the connecting rod 275 can fit the lower barrel 254 more closely and increase the installation stability.

[0046] A first discharge port 201 is formed on the side wall of the first installation frame 2, and a second discharge port 241 is formed on the side wall of the second installation frame 24. The first discharge port 201 and the second discharge port 241 are connected to discharge soil with larger particle sizes.

[0047] The side wall of the first scraper 262 in contact with the conical filter 252 is arc-shaped, and the side wall of the first scraper 262 away from the third rotating column 261 is provided with a slope, and the end of the first scraper 262 away from the third rotating column 261 is slidingly connected to the upper surface of the mounting ring 25, so as to increase the pushing effect of the conical filter 252 and the soil on the upper surface of the mounting ring 25.

[0048] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sample collection device for environmental detection, comprising a base (1), characterized in that: The base (1) is provided with a first mounting groove (101) at the upper end, a second mounting groove (102) is provided at the inner wall of the first mounting groove (101), a fixing assembly (11) is arranged on the inner wall of the first mounting groove (101), a driving assembly (12) is arranged on the inner wall of the second mounting groove (102), a first mounting frame (2) is fixedly connected to the upper end of the base (1), a crushing assembly (22) is arranged on the inner wall of the first mounting frame (2) at one end away from the base (1), mounting columns (23) are fixedly connected to the two inner walls of the first mounting frame (2), adjacent ends of the two mounting columns (23) are fixedly connected to a mounting shell (231), the inner wall of the first mounting frame (2) is fixedly connected to the second mounting frame (24), the second mounting frame (24) is located below the mounting column (23), the inner wall of the second mounting frame (24) is fixedly connected to a mounting ring (25), the inner wall of the mounting ring (25) is fixedly connected to a mounting frame (251), the mounting frame ( The upper end of the mounting ring (251) is fixedly connected to a conical filter screen (252), the lower end of the mounting ring (25) is fixedly connected to a discharge frame (253), the lower end of the discharge frame (253) is fixedly connected to a discharge barrel (254), the lower end of the discharge barrel (254) is provided with a material blocking component (27), the inner top wall of the mounting shell (231) is fixedly connected to a second motor (26), the output end of the second motor (26) is fixedly connected to a third rotating column (261), and the third rotating column (26 1) penetrates the conical filter screen (252) and the mounting frame (251), and the end of the third rotating column (261) away from the second motor (26) is located in the discharge barrel (254), the side wall of the third rotating column (261) is fixedly connected to the first scraper (262), the first scraper (262) is slidably connected to the side wall of the conical filter screen (252), and the side wall of the third rotating column (261) located inside the discharge barrel (254) is fixedly connected to the spiral plate (263).

2. A sample collection device for environmental detection according to claim 1, characterized in that: The material blocking assembly (27) includes a material blocking plate (271), one end of the material blocking plate (271) is fixedly connected to a connecting plate (272), one end of the connecting plate (272) is provided with a fifth mounting groove (273), the inner wall of the fifth mounting groove (273) is fixedly connected to a connecting seat (274), one end of the connecting seat (274) is rotatably connected to a connecting rod (275), one end of the connecting rod (275) away from the connecting seat (274) is fixedly connected to the side wall of the discharge barrel (254), the side wall of the connecting plate (272) away from the fifth mounting groove (273) is fixedly connected to a third spring (276), and one end of the third spring (276) away from the connecting plate (272) is fixedly connected to the side wall of the discharge barrel (254).

3. A sample collection device for environmental detection according to claim 1, characterized in that: The fixing assembly (11) comprises a stepper motor (111), the output end of the stepper motor (111) is fixedly connected to a rotating disk (112), the stepper motor (111) is fixedly connected to the inner wall of the first mounting groove (101), the rotating disk (112) is movably connected to the inner wall of the first mounting groove (101), four driving blocks (113) are evenly fixedly connected to the side wall of the rotating disk (112), four third mounting grooves (114) are evenly opened at the upper end of the rotating disk (112), three fourth mounting grooves (115) are evenly opened on the side wall of the third mounting groove (114), the inner wall of the fourth mounting groove (115) is fixedly connected to a first spring (116), one end of the first spring (116) is fixedly connected to a fixing block (117), and the fixing block (117) is slidably connected to the inner wall of the fourth mounting groove (115).

4. A sample collection device for environmental detection according to claim 1, characterized in that: The driving assembly (12) comprises a squeeze switch (121), one end of the squeeze switch (121) is fixedly connected to the inner wall of the second mounting groove (102), the squeeze switch (121) is electrically connected to the second motor (26), and second springs (122) are respectively arranged on both sides of the squeeze switch (121), one end of the second spring (122) is fixedly connected to the inner wall of the second mounting groove (102), and the other end of the second spring (122) is fixedly connected to a push block (123), and the push block (123) is slidably connected to the inner wall of the second mounting groove (102).

5. A sample collection device for environmental detection according to claim 1, characterized in that: The side wall of the first installation frame (2) is fixedly connected to the first motor (21) through a bracket, and the crushing component (22) comprises a first rotating column (221), one end of the first rotating column (221) is fixedly connected to the output end of the first motor (21), and the end of the first rotating column (221) away from the first motor (21) passes through the side wall of the first installation frame (2), the side wall of the first rotating column (221) located outside the first installation frame (2) is fixedly connected to the first gear (222), the side wall of the first gear (222) is meshingly connected to the second gear (223), and the second gear (223) is fixedly connected to the inside of the second rotating column (224), the end of the second rotating column (224) away from the first motor (21) passes through the side wall of the first installation frame (2), and the ends of the first rotating column (221) and the second rotating column (224) located inside the first installation frame (2) are both fixedly connected to a crushing roller (225).

6. A sample collection device for environmental detection according to claim 1, characterized in that: One end of the first scraper (262) away from the third rotating column (261) is fixedly connected to the second scraper (264), the second scraper (264) is slidably connected to the inner wall of the second installation frame (24), and the side wall of the second scraper (264) away from the third rotating column (261) is arc-shaped.

7. A sample collection device for environmental detection according to claim 1, characterized in that: The upper end of the first installation frame (2) is fixedly connected to a first material guide frame (202), the upper end of the installation shell (231) is fixedly connected to a material guide shell (232), and the upper end of the second installation frame (24) is fixedly connected to a second material guide frame (242).

8. A sample collection device for environmental detection according to claim 2, characterized in that: One end of the two material blocking plates (271) away from the connecting plate (272) abuts against each other, and one end of the connecting rod (275) away from the connecting seat (274) is in an arc shape.

9. A sample collection device for environmental detection according to claim 3, characterized in that: The first installation frame (2) has a first discharge port (201) on its side wall, the second installation frame (24) has a second discharge port (241) on its side wall, and the first discharge port (201) and the second discharge port (241) are in communication.

10. A sample collection device for environmental detection according to claim 1, characterized in that: The side wall of the first scraper (262) in contact with the conical filter (252) is arc-shaped, the side wall of the first scraper (262) away from the third rotating column (261) is provided with an inclined surface, and the end of the first scraper (262) away from the third rotating column (261) is slidably connected to the upper surface of the mounting ring (25).

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