A sampling device for environmental detection

Abstract

The utility model relates to the technical field of environmental detection, and proposes a sampling device for environmental detection, comprising a sampling tube, a top cover is provided on the top of the sampling tube, and a plurality of sampling holes are opened on the outer walls of both sides of the sampling tube, and the sampling holes are arranged equidistantly in the vertical direction, a transmission rod is provided in the center of the top cover, and the bottom end of the transmission rod extends into the sampling tube; the sampling device for environmental detection, by placing the sampling tube vertically on the soil and pressing the sampling tube, can make the sampling tube penetrate into the soil under the action of a ground cone and a blade, twisting the twist block can drive the transmission rod to rotate, under the conduction action of the connecting rod, the sealing plug can be pulled to move along the track of the slide groove, thereby exposing the sampling hole, and the water in the soil will enter the sampling tube through the sampling hole, and the twist block can be loosened under the action of a reset component to drive the transmission rod to reset and rotate, thereby moving the sealing plug back to the sampling hole to achieve a sealing effect.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental detection, and in particular to a sampling device for environmental detection. Background Art

[0002] Environmental testing is the use of GIS technology to design an environmental testing network. The information collected by environmental testing can be stored and displayed in a timely manner through GIS, and detailed site monitoring and analysis can be carried out on the selected evaluation area. In the detection of elemental content of moisture in the soil, a sampling device is required to collect water in the soil layer.

[0003] A Chinese patent discloses a sampling device for environmental water sample detection, with the announcement number CN211013620U. The article proposes that "it includes a sampling device body, a rocker is provided on the outer surface of one side of the sampling device body, a classification mechanism is provided on the outer surface of the other side of the sampling device body, a roller is provided on the outer surface of the front end of the rocker, a movable shaft is provided on the outer surface of the lower end of the sampling device body, a stable base is provided on the outer surface of the lower end of the movable shaft, a buffer spring is provided on the inner surface of the middle part of the stable base, an opening mask is provided on the outer surface of the other side of the lower end of the sampling device body, a connecting rope is provided on the outer surface of the roller, and a sampling bottle is provided on the outer surface of the lower end of the connecting rope." However, the existing device for sampling water sources is not conducive to sampling water in the soil. It is necessary to dig the soil layer to let the water seep out and then collect it, and the use effect is poor. Therefore, it is necessary to design a sampling device for environmental detection. Utility Model Content

[0004] The utility model aims to provide a sampling device for environmental detection, which solves the problem in the related art that it is not conducive to sampling water in the soil during use, and the soil layer needs to be excavated to let the water seep out and then collected, resulting in poor use effect.

[0005] The technical solution of the utility model is as follows:

[0006] A sampling device for environmental detection comprises a sampling tube, wherein a top cover is provided on the top of the sampling tube, and a plurality of sampling holes are provided on the outer walls on both sides of the sampling tube, and the sampling holes are arranged equidistantly in the vertical direction, a transmission rod is provided in the center of the top cover, and the bottom end of the transmission rod extends into the sampling tube, a plurality of slide grooves are provided on the inner walls on both sides of the sampling tube, and one end of the slide groove is connected with the sampling hole, a plurality of connecting rods are welded on the outer walls on both sides of the transmission rod, and a sealing plug is provided on the other end of the connecting rod, a plurality of blades are welded on the bottom end of the sampling tube, and the blades are arranged equidistantly in a circular array, a discharge port of the sampling tube is threadedly installed with a ground cone, a reset assembly is provided on the top of the sampling tube, and a twist block is welded on the top end of the transmission rod.

[0007] Preferably, the sampling tube is made of stainless steel, and one end of the bottom of the ground-inserting cone is in a pointed cone shape.

[0008] Preferably, the number of the sampling holes, the slide groove and the connecting rod are equal, and the positions correspond one to one, the sealing plug includes a connecting seat, a telescopic groove, a sealing block and a first spring, the connecting seat is slidably installed in the slide groove, and the connecting seat is welded and fixed to the other end of the connecting rod, the connecting seat is provided with a telescopic groove, and a sealing block is inserted into the inside of the telescopic groove, the sealing block is provided with a pair of first springs, and the other end of the first spring is welded and fixed to the inner wall of the telescopic groove.

[0009] Preferably, the end of the sealing block away from the telescopic groove is inserted and installed in the sampling hole, and the size of the sealing block is the same as the size of the sampling hole. The sealing block is made of rubber material, and the outer contour of the sealing block is rounded.

[0010] Preferably, the reset assembly includes a side plate, a limit plate and a second spring. A pair of side plates are welded to the top of the sampling tube, and the two side plates are respectively located on both sides of the sampling tube. Limit plates are welded to the inner walls on both sides of the sampling tube, and the two limit plates are respectively located on one side of the two side plates. A second spring is welded on the side plate, and the other end of the second spring is welded and fixed to the limit plate.

[0011] Preferably, the second spring is arc-shaped.

[0012] Preferably, handles are welded to both side outer walls of the top cover, and a support plate is welded below the bottom of the handle, a pair of insertion rods are welded to the bottom end surface of the handle, and finger grooves are provided on both side outer walls of the ground cone.

[0013] Preferably, a filter screen is screwed to the inner bottom of the sampling tube, and a filter chamber is provided at the bottom of the filter screen, a plurality of discharge ports are equidistantly formed on the bottom end surface of the filter chamber, and porous porcelain is provided inside the filter chamber.

[0014] Beneficial effects of the utility model:

[0015] 1. By placing the sampling tube vertically on the soil and pressing the sampling tube, the sampling tube can be made to penetrate into the soil under the action of the ground cone and the blade. Twisting the twist block can drive the transmission rod to rotate. Under the conduction action of the connecting rod, the sealing plug can be pulled to move along the track of the slide groove, thereby exposing the sampling hole. The water in the soil will enter the sampling tube through the sampling hole. Loosening the twist block can drive the transmission rod to reset and rotate under the action of the reset component, thereby moving the sealing plug back to the sampling hole to achieve a sealing effect. This method is simple to operate and can obtain moisture from the soil without digging the soil layer. It is more convenient and efficient to use.

[0016] 2. Using a rod to insert into the soil can limit and fix the sampling tube. Water can be filtered through the filter net. The filtered water will flow into the filter bin and can be filtered twice using porous porcelain. The filtered water can be discharged through the outlet and stored at the bottom of the sampling tube. This method can filter out debris and provide convenience for subsequent water testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is an isometric view of the entire utility model;

[0019] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the utility model;

[0021] Figure 4 It is the overall cross-sectional view a of the utility model;

[0022] Figure 5 This is the overall cross-sectional view b of the utility model;

[0023] In the figure: 1. sampling tube; 2. top cover; 3. sampling hole; 4. transmission rod; 5. slide groove; 6. sealing plug; 61. connecting seat; 62. telescopic groove; 63. sealing block; 64. first spring; 7. connecting rod; 8. blade; 9. ground cone; 10. reset assembly; 101. side plate; 102. limit plate; 103. second spring; 11. twist block; 12. handle; 13. support plate; 14. insertion rod; 15. finger groove; 16. filter screen; 17. filter chamber; 18. discharge port; 19. porous porcelain. DETAILED DESCRIPTION

[0024] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-5As shown, this embodiment proposes a sampling device for environmental detection, including a sampling tube 1, a top cover 2 is provided on the top of the sampling tube 1, and a plurality of sampling holes 3 are provided on the outer walls on both sides of the sampling tube 1, and the sampling holes 3 are arranged equidistantly in the vertical direction, a transmission rod 4 is provided in the center of the top cover 2, and the bottom end of the transmission rod 4 extends into the sampling tube 1, a plurality of slide grooves 5 are provided on the inner walls on both sides of the sampling tube 1, and one end of the slide groove 5 is connected with the sampling hole 3, a plurality of connecting rods 7 are welded on the outer walls on both sides of the transmission rod 4, and a sealing plug 6 is provided on the other end of the connecting rod 7, a plurality of blades 8 are welded on one end of the bottom of the sampling tube 1, and the blades 8 are arranged equidistantly in a circular array, a ground cone 9 is installed at the discharge port of the sampling tube 1 through a thread, and a complex The top end of the transmission rod 4 is welded with a screw block 11, the sampling tube 1 is made of stainless steel, the bottom end of the ground cone 9 is in a pointed cone shape, which is conducive to breaking the soil layer and facilitating the sampling tube 1 to extend into the soil. The number of sampling holes 3, slide grooves 5 and connecting rods 7 is equal, and the positions correspond one to one. The sealing plug 6 includes a connecting seat 61, a telescopic groove 62, a sealing block 63 and a first spring 64. The connecting seat 61 is slidably installed in the slide groove 5, and the connecting seat 61 is welded and fixed to the other end of the connecting rod 7. A telescopic groove 62 is opened on the connecting seat 61, and a sealing block 63 is inserted into the inside of the telescopic groove 62. A pair of first springs 64 are provided on the sealing block 63, and the other end of the first spring 64 is welded and fixed to the inner wall of the telescopic groove 62, and is pushed by the first spring 64. The sealing block 63 is moved out of the telescopic groove 62, and the sealing block 63 is inserted into the sampling hole 3 to play a sealing role. The end of the sealing block 63 away from the telescopic groove 62 is plugged and installed in the sampling hole 3, and the size of the sealing block 63 is the same as the size of the sampling hole 3. The sealing block 63 is made of rubber material, and the outer contour of the sealing block 63 is rounded. The reset component 10 includes a side plate 101, a limit plate 102 and a second spring 103. A pair of side plates 101 are welded to the top of the sampling tube 1, and the two side plates 101 are respectively located on both sides of the sampling tube 1. The inner walls of both sides of the sampling tube 1 are welded with limit plates 102, and the two limit plates 102 are respectively located on one side of the two side plates 101. The second spring 103 is welded on the side plate 101, and the other side of the second spring 103 One end is welded and fixed with the limit plate 102. When the transmission rod 4 rotates, the side plate 101 will squeeze the second spring 103. When the transmission rod 4 is loosened, the second spring 103 will expand outward, thereby driving the transmission rod 4 to return to its original position. The rotation angle of the transmission rod 4 can be limited by the limit plate 102. The second spring 103 is arc-shaped. Handles 12 are welded to the outer walls of both sides of the top cover 2, and a support plate 13 is welded under the bottom of the handle 12. A pair of insertion rods 14 are welded to the bottom end face of the handle 12. Finger grooves 15 are provided on the outer walls of both sides of the ground cone 9. By holding the handle 12 and pressing the sampling tube 1, the sampling tube 1 can be penetrated into the soil. The sampling tube 1 can be limited and fixed by inserting the insertion rod 14 into the soil. A filter screen 16 is screwed on the inner bottom of the sampling tube 1.A filter chamber 17 is provided at the bottom of the filter screen 16, and a plurality of discharge ports 18 are equidistantly provided on the bottom end surface of the filter chamber 17. A porous porcelain 19 is provided inside the filter chamber 17. Water enters the sampling tube 1 through the sampling hole 3, and is filtered by the filter screen 16. The filtered water flows into the filter chamber 17, and is filtered twice by the porous porcelain 19. The filtered water can be discharged through the discharge port 18.

[0026] In the present embodiment, when in use, the sampling tube 1 is placed vertically on the soil rich in water, the handle 12 is held, and the sampling tube 1 is pressed. Under the action of the ground cone 9 and the blade 8, the sampling tube 1 can be made to penetrate into the soil. The insertion rod 14 is inserted into the soil to limit and fix the sampling tube 1. The twisting block 11 can drive the transmission rod 4 to rotate. Under the conduction action of the connecting rod 7, the sealing plug 6 can be pulled to move along the trajectory of the slide groove 5, thereby exposing the sampling hole 3. The water in the soil will enter the sampling tube 1 through the sampling hole 3, and the water can be filtered through the filter net 16. The filtered water will flow into the filter bin 17 and can be filtered twice using the porous porcelain 19. The filtered water can be discharged through the discharge port 18 and stored at the bottom of the sampling tube 1. When the sampling is completed, the sampling tube 1 is lifted when the handle 12 is pulled, and the finger groove 15 is pinched and the ground cone 9 is rotated to make the water flow out from the bottom of the sampling tube 1.

[0027] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A sampling device for environmental detection, characterized in that: The sampling tube (1) comprises a top cover (2) on the top of the sampling tube (1), and a plurality of sampling holes (3) are provided on the outer walls on both sides of the sampling tube (1), and the sampling holes (3) are arranged equidistantly in the vertical direction, a transmission rod (4) is provided at the center of the top cover (2), and one end of the bottom of the transmission rod (4) extends into the sampling tube (1), and a plurality of slide grooves (5) are provided on the inner walls on both sides of the sampling tube (1), and one end of the slide groove (5) is connected to the sampling hole (3), so that the sampling holes (3) are arranged in a uniformly distributed manner in the vertical direction, and the ... arranged in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniformly distributed manner in the vertical direction, and the transmission rod (4) is provided in a uniform A plurality of connecting rods (7) are welded to the outer walls of both sides of the transmission rod (4), and a sealing plug (6) is provided at the other end of the connecting rod (7). A plurality of blades (8) are welded to one end of the bottom of the sampling tube (1), and the blades (8) are arranged equidistantly in a circular array. A ground cone (9) is threadedly mounted at the discharge port of the sampling tube (1). A reset assembly (10) is provided at the top of the sampling tube (1), and a twist block (11) is welded to one end of the top of the transmission rod (4).

2. A sampling device for environmental detection according to claim 1, characterized in that: The sampling tube (1) is made of stainless steel, and one end of the bottom of the ground-inserting cone (9) is in a pointed cone shape.

3. The sampling device for environmental detection according to claim 1, characterized in that: The number of the sampling holes (3), the slide groove (5) and the connecting rod (7) is equal and their positions correspond one to one. The sealing plug (6) comprises a connecting seat (61), a telescopic groove (62), a sealing block (63) and a first spring (64). The connecting seat (61) is slidably installed in the slide groove (5), and the connecting seat (61) is welded and fixed to the other end of the connecting rod (7). The connecting seat (61) is provided with a telescopic groove (62), and the sealing block (63) is inserted into the interior of the telescopic groove (62). The sealing block (63) is provided with a pair of first springs (64), and the other end of the first spring (64) is welded and fixed to the inner wall of the telescopic groove (62).

4. A sampling device for environmental detection according to claim 3, characterized in that: One end of the sealing block (63) away from the telescopic groove (62) is inserted and installed in the sampling hole (3), and the size of the sealing block (63) is the same as the size of the sampling hole (3). The sealing block (63) is made of rubber material, and the outer contour of the sealing block (63) is rounded.

5. The sampling device for environmental detection according to claim 1, characterized in that: The reset assembly (10) comprises a side plate (101), a limit plate (102) and a second spring (103); a pair of side plates (101) are welded to the top of the sampling tube (1), and the two side plates (101) are respectively located on both sides of the sampling tube (1); the limit plates (102) are welded to the inner walls of both sides of the sampling tube (1), and the two limit plates (102) are respectively located on one side of the two side plates (101); a second spring (103) is welded to the side plate (101), and the other end of the second spring (103) is welded and fixed to the limit plate (102).

6. The sampling device for environmental detection according to claim 5, characterized in that: The second spring (103) is arc-shaped.

7. The sampling device for environmental detection according to claim 1, characterized in that: A handle (12) is welded to the outer walls on both sides of the top cover (2), and a support plate (13) is welded below the bottom of the handle (12). A pair of insertion rods (14) are welded to the bottom end surface of the handle (12), and finger grooves (15) are provided on the outer walls on both sides of the ground insertion cone (9).

8. The sampling device for environmental detection according to claim 1, characterized in that: A filter screen (16) is screwed to the bottom of the inner side of the sampling tube (1), and a filter chamber (17) is provided at the bottom of the filter screen (16). A plurality of discharge ports (18) are equidistantly formed on the bottom end surface of the filter chamber (17), and porous porcelain (19) is provided inside the filter chamber (17).

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