Convenient sewage sampling device

Abstract

The utility model discloses a convenient sewage sampling device, which relates to the technical field of sewage sampling, and comprises a sampling barrel, a fixed push rod and a floating plate, the sampling barrel is internally provided with a connecting swivel, the connecting swivel is in sliding connection with the sampling barrel, the outer wall of the connecting swivel is symmetrically provided with two second water inlets, and the two second water inlets are communicated with the fixed push rod. An opening and closing mechanism for conveniently opening and closing the end opening of the first water inlet is arranged on the sampling barrel. By means of the opening and closing mechanism, when the sampling barrel descends to the designated depth, the connecting rotating ring can be driven to rotate along the outer wall of the fixing ring through the thrust of the floating plate floating on the water surface through water buoyancy, and meanwhile when the two second water inlets are driven by the connecting rotating ring to move to the ports of the two first water inlets respectively, the sampling barrel can be opened and closed. Therefore, sewage can enter the inner cavity of the sampling barrel through the first water inlet and the second water inlet, so that sewage at different depths can be conveniently and accurately sampled.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage sampling technical field, specifically is a convenient type sewage sampling device. BACKGROUND

[0002] Sewage is polluted, loses the water of original use function, comes from life, industry and rainwater etc, contains various harmful substances, needs through the treatment technology to remove pollutants, and the key step of environmental monitoring and water quality management is carried out to the sampling, is used for understanding water quality condition, evaluates sewage treatment effect etc. The sampling of different depth sewage can comprehensively understand the distribution of pollutants in sewage, ensure the accuracy and reliability of the detection result, provide strong support for water quality evaluation, sewage treatment, scientific research and technology development.

[0003] In the process of sampling sewage, in order to be able to carry out rapid sampling of sewage, usually through the container such as bucket, the water surface of sewage is sampled, but this way is difficult to accurately sample the sewage of different depth according to the demand, in order to be able to conveniently and accurately sample the sewage of different depth, based on this, now provide a convenient type sewage sampling device, can eliminate the disadvantages of the existing device. UTILITY MODEL CONTENT

[0004] The utility model is directed to providing a convenient type sewage sampling device to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A convenient type sewage sampling device, including the sampling cylinder, the top end of the sampling cylinder is fixedly connected with the fixed push rod, the upper of the sampling cylinder is provided with the floating plate, the floating plate is located at the outside of the fixed push rod, the inside of the sampling cylinder is provided with the connecting swivel, the connecting swivel is slidably connected with the sampling cylinder, the outer wall of the connecting swivel is symmetrically provided with two second water inlets, the sampling cylinder is provided with the opening and closing mechanism for conveniently opening and closing the port of the first water inlet.

[0007] On the basis of the above technical scheme, the utility model further provides the following optional technical scheme:

[0008] In an optional scheme, the opening and closing mechanism includes:

[0009] The rotating assembly is arranged on the sampling cylinder.

[0010] The rotating assembly includes:

[0011] The transmission rotating plate is arranged in the sampling cylinder, is located on the inner side of the connecting rotating ring, is fixedly connected with the connecting rotating ring, and has a connecting rotating rod fixedly connected to the top end.

[0012] The connecting rotating rod is provided with a lifting assembly.

[0013] In an alternative, the lifting assembly comprises:

[0014] The sliding sleeve plate is slidably sleeved on the outer wall of the connecting rotating rod, and the top end of the sliding sleeve plate is symmetrically fixedly connected with two connecting sliding rods.

[0015] The sampling cylinder is provided with a plugging assembly.

[0016] In an alternative, the plugging assembly is a sealing baffle arranged on the upper surface of the sampling cylinder, the sealing baffle is slidably sleeved on the outer wall of the fixed push rod, the sealing baffle is fixedly connected with the two connecting sliding rods, and the sealing baffle is in contact with the lower surface of the floating plate.

[0017] The sealing baffle is provided with a limiting assembly.

[0018] In an alternative, the limiting assembly comprises:

[0019] The lifting sleeve pipe is fixedly connected to the top end of the sealing baffle, is slidably sleeved on the outer wall of the fixed push rod, and has a limiting bolt arranged at one end of the lifting sleeve pipe.

[0020] The sliding sleeve plate is provided with a guide assembly.

[0021] In an alternative, the guide assembly comprises:

[0022] A plurality of sliding blocks are fixedly connected to the inner wall of the sliding sleeve plate at equal intervals in the circumferential direction, the outer wall of each sliding block is hemispherical, each sliding block penetrates into the connecting rotating rod, and the connecting rotating rod is provided with an arc-shaped guide groove at the position where the connecting rotating rod is in contact with the sliding blocks.

[0023] The sliding sleeve plate is provided with a pushing assembly.

[0024] In an alternative, the pushing assembly comprises:

[0025] A plurality of connecting sliding plates are fixedly connected at the top end of the sliding cover plate in a circumferential equidistant manner, the plurality of connecting sliding plates are located outside the connecting rotating rod, the plurality of connecting sliding plates penetrate the sampling cylinder to the inside of the fixed push rod, the plurality of connecting sliding plates are in sliding connection with the sampling cylinder and the fixed push rod, the upper portion of the connecting rotating rod is provided with a lifting push plate, the lifting push plate is located at the top end of the plurality of connecting sliding plates, the lifting push plate is fixedly connected with the plurality of connecting sliding plates, and the lifting push plate is in sliding connection with the fixed push rod.

[0026] The lifting push plate is provided with a reset assembly.

[0027] In an optional solution, the reset assembly is a spring arranged on the upper surface of the lifting push plate, one end of the spring is in contact with the outer wall of the lifting push plate, and the other end of the spring is in contact with the inner wall of the fixed push rod.

[0028] In an optional solution, the outer wall of the sampling cylinder is symmetrically provided with two first water inlets, the inner cavities of the two first water inlets are in communication with the inner cavity of the sampling cylinder, and the two first water inlets and the two second water inlets are staggered.

[0029] In an optional solution, the inner wall of the sampling cylinder is vertically and equidistantly formed with two fixed rings, the two fixed rings are respectively located at the upper and lower ends of the first water inlet, and the connecting rotating ring is in sliding sleeve connection with the outer walls of the two fixed rings.

[0030] Compared with the prior art, the utility model has the advantages that:

[0031] The utility model discloses a lifting push plate, the lifting push plate is in sliding connection with the fixed push rod, the lifting push plate is provided with a reset assembly, the reset assembly is a spring, one end of the spring is in contact with the outer wall of the lifting push plate, and the other end of the spring is in contact with the inner wall of the fixed push rod. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the structural schematic diagram of the utility model.

[0033] Figure 2 It is the internal structure schematic diagram of the sampling cylinder of the utility model.

[0034] Figure 3 It is the structure schematic diagram of the utility model's on-off mechanism.

[0035] Figure 4 It is the structure schematic diagram of the utility model's Figure 2 It is the structure schematic diagram of the utility model's

[0036] Figure 5 The utility model discloses a Figure 2 Partial enlarged structure schematic diagram of B in the utility model.

[0037] Mark annotation: 1, sampling cylinder, 201, connecting slide bar, 202, sliding cover plate, 203, sliding pressing block, 204, connecting rotating rod, 205, transmission rotating plate, 206, arc-shaped guide groove, 207, connecting slide plate, 208, lifting push plate, 209, spring, 2010, lifting sleeve, 2011, sealing baffle, 2012, limiting bolt, 3, first water inlet, 4, floating plate, 5, fixed push rod, 6, second water inlet, 7, connecting swivel, 8, fixed ring. Specific implementation

[0038] In order to make the utility model's purpose, technical scheme and advantage more clearly, following combining with the drawing and example, the utility model is further detailed.

[0039] In one embodiment, as Figures 1-5 The utility model discloses a convenient type sewage sampling device, including sampling cylinder 1, the top end of sampling cylinder 1 is equidistantly seted up with a plurality of exhaust hole, the top end of sampling cylinder 1 is fixedly connected with fixed push rod 5, the upper of sampling cylinder 1 is provided with floating plate 4, and floating plate 4 is located the outside of fixed push rod 5, and the inside of sampling cylinder 1 is provided with connecting swivel 7, and connecting swivel 7 is slidably connected with sampling cylinder 1, and the outer wall of connecting swivel 7 is symmetrically seted up with two second water inlets 6, and the outer wall of sampling cylinder 1 is symmetrically seted up with two first water inlets 3, and the inner chamber of two first water inlets 3 is all with the inner chamber of sampling cylinder 1 interpenetration, and two first water inlets 3 and two second water inlets 6 are mutually staggered, and the inner wall of sampling cylinder 1 is vertically equidistantly formed with two fixed rings 8, and two fixed rings 8 are located the upper and lower ends of first water inlet 3 respectively, and connecting swivel 7 is slidably sleeved on the outer wall of two fixed rings 8, and the outer wall of connecting swivel 7 is fixedly connected with sealing rubber mat, and the upper of sampling cylinder 1 is provided with the opening and closing mechanism for the port of first water inlet 3 is conveniently opened and closed;

[0040] In the embodiment, when using, push fixed push rod 5 and put sampling cylinder 1 into sewage, connecting swivel 7 can block the port of first water inlet 3 by sealing rubber mat at this time, effectively avoid that sewage enters the inner chamber of sampling cylinder 1, when floating plate 4 is contacted with water surface by moving, at this time, because the density of floating plate 4 material is less than the density of water and under the action of water buoyancy, can make floating plate 4 float on the water surface, and sampling cylinder 1 continues to drop under the pushing of external force by fixed push rod 5 at this time, floating plate 4 slides under the action of water buoyancy at this time;

[0041] When the sampling cylinder 1 is lowered to the specified depth, the floating plate 4 is driven to rotate along the outer wall of the fixed ring 8 under the action of water buoyancy by the opening and closing mechanism at this time, and the two second water inlets 6 are moved under the driving of the connecting rotating ring 7;

[0042] When the two second water inlets 6 are moved to the ports of the two first water inlets 3 under the driving of the connecting rotating ring 7, the sewage outside the sampling cylinder 1 can enter the inner cavity of the sampling cylinder 1 through the first water inlet 3 and the second water inlet 6, and the air in the inner cavity of the sampling cylinder 1 can be discharged through the exhaust hole. After the sewage is sampled through the sampling cylinder 1, the fixed push rod 5 is pulled up, and the port of the first water inlet 3 is blocked by the rotating reset of the connecting rotating ring 7 through the reverse operation of the above operation, so that the sewage at different depths can be conveniently and accurately sampled;

[0043] In one embodiment, as shown in Figures 2-4 The opening and closing mechanism comprises:

[0044] The rotating assembly is arranged on the sampling cylinder 1.

[0045] The rotating assembly comprises a transmission rotating plate 205 arranged inside the sampling cylinder 1, the transmission rotating plate 205 is located inside the connecting rotating ring 7, the transmission rotating plate 205 is fixedly connected with the connecting rotating ring 7, the top end of the transmission rotating plate 205 is fixedly connected with a connecting rotating rod 204, and the connecting rotating rod 204 is rotatably connected with the sampling cylinder 1 through a rotating shaft.

[0046] The lifting assembly is arranged on the connecting rotating rod 204.

[0047] The lifting assembly comprises a sliding sleeve plate 202 slidably sleeved on the outer wall of the connecting rotating rod 204, the top end of the sliding sleeve plate 202 is fixedly connected with two connecting sliding rods 201, the two connecting sliding rods 201 are both penetrated to the top end outside of the sampling cylinder 1, and the two connecting sliding rods 201 are both slidably connected with the sampling cylinder 1.

[0048] The sealing assembly is arranged on the sampling cylinder 1.

[0049] In one embodiment, as shown in Figures 1-4 The sealing assembly is a sealing baffle 2011 arranged on the upper surface of the sampling cylinder 1, the sealing baffle 2011 is slidably sleeved on the outer wall of the fixed push rod 5, the sealing baffle 2011 is fixedly connected with the two connecting sliding rods 201, and the sealing baffle 2011 is in contact with the lower surface of the floating plate 4.

[0050] The limiting assembly is arranged on the sealing baffle 2011.

[0051] The limiting assembly comprises a lifting sleeve 2010 fixedly connected to the top end of the sealing baffle 2011, the lifting sleeve 2010 is slidingly sleeved on the outer wall of the fixed push rod 5, one end of the lifting sleeve 2010 is provided with a limiting bolt 2012, the limiting bolt 2012 penetrates into the inside of the lifting sleeve 2010, a plurality of threaded grooves in screw connection with the limiting bolt 2012 are vertically and equidistantly formed on the outer wall of the lifting sleeve 2010, according to the required depth of the sewage sampling, the limiting bolt 2012 can be fixed at different positions of the outer wall of the lifting sleeve 2010 through the plurality of threaded grooves, and through the cooperation of the sealing assembly and the limiting assembly, the sealing baffle 2011 can be driven to rise when the floating plate 4 is in contact with the outer wall of the limiting bolt 2012.

[0052] The sliding sleeve plate 202 is provided with a guide assembly.

[0053] In one embodiment, as shown in the figure, Figures 2-4 the guide assembly comprises a plurality of sliding blocks 203 fixedly connected to the inner wall of the sliding sleeve plate 202 at equal intervals in the circumferential direction, the outer wall of each sliding block 203 is hemispherical, each sliding block 203 penetrates into the inside of a connecting rotating rod 204, and an arc-shaped guide groove 206 for sliding of the sliding block 203 is formed at the position where the connecting rotating rod 204 is in contact with the sliding block 203, and the connecting rotating rod 204 can rotate during the lifting process on the sliding sleeve plate 202 through the guide assembly.

[0054] The sliding sleeve plate 202 is provided with a pushing assembly.

[0055] In one embodiment, as shown in the figure, Figures 2-5 the pushing assembly comprises a plurality of connecting sliding plates 207 fixedly connected to the top end of the sliding sleeve plate 202 at equal intervals in the circumferential direction, the plurality of connecting sliding plates 207 are located on the outer side of the connecting rotating rod 204, the plurality of connecting sliding plates 207 penetrate into the inside of the sampling cylinder 1 and the fixed push rod 5, the plurality of connecting sliding plates 207 are slidingly connected with the sampling cylinder 1 and the fixed push rod 5, an lifting push plate 208 is arranged above the connecting rotating rod 204, the lifting push plate 208 is located at the top end of the plurality of connecting sliding plates 207, the lifting push plate 208 is fixedly connected with the plurality of connecting sliding plates 207, and the lifting push plate 208 is slidingly connected with the fixed push rod 5.

[0056] The lifting push plate 208 is provided with a reset assembly.

[0057] The reset assembly is a spring 209 arranged on the upper surface of the lifting push plate 208, one end of the spring 209 is in contact with the outer wall of the lifting push plate 208, and the other end of the spring 209 is in contact with the inner wall of the fixed push rod 5, through the cooperation of the pushing assembly and the reset assembly, when the sampling cylinder 1 finishes sampling the sewage and is lifted upward by the fixed push rod 5 under the external force, the sliding sleeve plate 202 can be automatically reset.

[0058] The above embodiment discloses a convenient sewage sampling device, wherein, in use, according to the required depth of sewage sampling, the end of the limiting bolt 2012 is moved to the port of the appropriate threaded groove on the lifting sleeve 2010, and then the limiting bolt 2012 is screwed with the lifting sleeve 2010 according to the rotation;

[0059] Then the sampling cylinder 1 is put into the sewage by pushing the fixed push rod 5, at this time the connection swivel 7 can block the port of the first water inlet 3 through the sealing rubber pad, effectively avoiding the sewage into the inner cavity of the sampling cylinder 1, when the floating plate 4 is in contact with the water surface by moving, at this time, due to the density of the material of the floating plate 4 is less than the density of water and the action of water buoyancy, the floating plate 4 can float on the water surface, at the same time the sampling cylinder 1 continues to descend under the pushing of the external force by the fixed push rod 5, at this time the floating plate 4 slides along the outer wall of the lifting sleeve 2010 under the action of water buoyancy, at the same time the floating plate 4 separates from the outer wall of the sealing baffle 2011 by moving;

[0060] When the sampling cylinder 1 descends to the specified depth, at this time the floating plate 4 is in contact with the outer wall of the limiting bolt 2012, at the same time the floating plate 4 is pushed by the limiting bolt 2012 to slide the lifting sleeve 2010 along the outer wall of the fixed push rod 5 under the action of water buoyancy, at this time the sealing baffle 2011 slides along the outer wall of the connecting rotating rod 204 by driving the sliding sleeve plate 202 through the two connecting sliding rods 201, at the same time the plurality of sliding blocks 203 are synchronously displaced under the driving of the sliding sleeve plate 202, at this time the sealing baffle 2011 separates from the upper surface of the sampling cylinder 1 by moving;

[0061] In this process, the lifting push plate 208 slides along the inner wall of the fixed push rod 5 under the pushing of the sliding sleeve plate 202 through the connecting sliding plate 207, at this time the lifting push plate 208 is contracted by moving and extruding the spring 209, at the same time the connecting rotating rod 204 rotates in the inside of the sampling cylinder 1 through the pivot under the extrusion of the outer wall of the sliding block 203 through the arc-shaped guide groove 206, at this time the connection swivel 7 rotates along the outer wall of the fixed ring 8 under the driving of the connecting rotating rod 204 through the transmission rotating plate 205, at the same time the two second water inlets 6 move under the driving of the connection swivel 7;

[0062] When the sliding block 203 contacts the top end of the inner wall of the arc-shaped guide groove 206, the sliding sleeve plate 202 stops moving, and the two second water inlets 6 are driven by the connecting swivel 7 to move to the ports of the two first water inlets 3, so that the sewage outside the sampling cylinder 1 enters the inner cavity of the sampling cylinder 1 through the first water inlets 3 and the second water inlets 6, and the air in the inner cavity of the sampling cylinder 1 is discharged through the exhaust hole. After the sewage is sampled through the sampling cylinder 1, the fixed push rod 5 is pulled to rise, and the spring 209 reverses the above operation through rebound, so that the connecting swivel 7 reverses the ports of the first water inlets 3 through rotation reset, so that the sewage at different depths can be conveniently and accurately sampled.

[0063] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A convenient sewage sampling device, comprising a sampling cylinder (1), a fixed push rod (5) fixedly connected to the top of the sampling cylinder (1), a floating plate (4) disposed above the sampling cylinder (1), the floating plate (4) being located outside the fixed push rod (5), a connecting rotating ring (7) disposed inside the sampling cylinder (1), the connecting rotating ring (7) being slidably connected to the sampling cylinder (1), and two second water inlets (6) symmetrically opened on the outer wall of the connecting rotating ring (7), characterized in that, The sampling tube (1) is provided with an opening and closing mechanism for convenient opening and closing of the port of the first water inlet (3).

2. The convenient wastewater sampling device according to claim 1, characterized in that, The opening and closing mechanism includes a rotating component disposed on the sampling cylinder (1); The rotating assembly includes: a transmission rotating plate (205) disposed inside the sampling cylinder (1), the transmission rotating plate (205) being located inside the connecting rotating ring (7), the transmission rotating plate (205) being fixedly connected to the connecting rotating ring (7), and a connecting rotating rod (204) being fixedly connected to the top of the transmission rotating plate (205), the connecting rotating rod (204) being rotatably connected to the sampling cylinder (1) through a rotating shaft; A lifting assembly is provided on the connecting rod (204).

3. The convenient wastewater sampling device according to claim 2, characterized in that, The lifting assembly includes: a sliding sleeve plate (202) that is slidably sleeved on the outer wall of the connecting rotating rod (204), and two connecting slide rods (201) that are symmetrically fixedly connected to the top of the sliding sleeve plate (202). Both connecting slide rods (201) extend through to the outside of the top of the sampling cylinder (1), and both connecting slide rods (201) are slidably connected to the sampling cylinder (1). The sampling tube (1) is equipped with a sealing component.

4. A convenient wastewater sampling device according to claim 3, characterized in that, The sealing assembly is a sealing baffle (2011) set on the upper surface of the sampling cylinder (1). The sealing baffle (2011) is slidably sleeved on the outer wall of the fixed push rod (5). The sealing baffle (2011) is fixedly connected to two connecting slide rods (201). The sealing baffle (2011) is in contact with the lower surface of the floating plate (4). The sealing baffle (2011) is provided with a limit component.

5. A convenient wastewater sampling device according to claim 4, characterized in that, The limiting component includes: a lifting sleeve (2010) fixedly connected to the top of the sealing baffle (2011), the lifting sleeve (2010) being slidably sleeved on the outer wall of the fixed push rod (5), and a limiting bolt (2012) being provided at one end of the lifting sleeve (2010), the limiting bolt (2012) penetrating into the interior of the lifting sleeve (2010); The sliding sleeve (202) is provided with a guide component.

6. A convenient wastewater sampling device according to claim 5, characterized in that, The guide assembly includes: a plurality of sliding blocks (203) circumferentially and equidistantly fixed to the inner wall of the sliding sleeve plate (202), the outer walls of the plurality of sliding blocks (203) are all hemispherical, the plurality of sliding blocks (203) all penetrate into the interior of the connecting rotating rod (204), and the connecting rotating rod (204) and the plurality of sliding blocks (203) are provided with arc-shaped guide grooves (206) for the sliding blocks (203) to slide at the contact positions; The sliding sleeve (202) is provided with a pushing component.

7. A convenient wastewater sampling device according to claim 6, characterized in that, The pushing component includes: multiple connecting slide plates (207) circumferentially and equidistantly fixedly connected to the top of the sliding sleeve plate (202), the multiple connecting slide plates (207) are all located outside the connecting rotating rod (204), the multiple connecting slide plates (207) penetrate through the sampling cylinder (1) to the interior of the fixed push rod (5), the multiple connecting slide plates (207) are slidably connected to the sampling cylinder (1) and the fixed push rod (5), a lifting push plate (208) is provided above the connecting rotating rod (204), the lifting push plate (208) is located at the top of the multiple connecting slide plates (207), the lifting push plate (208) is fixedly connected to the multiple connecting slide plates (207), and the lifting push plate (208) is slidably connected to the fixed push rod (5); The lifting push plate (208) is equipped with a reset component.

8. A convenient wastewater sampling device according to claim 7, characterized in that, The reset component is a spring (209) disposed on the upper surface of the lifting push plate (208). One end of the spring (209) is in contact with the outer wall of the lifting push plate (208), and the other end of the spring (209) is in contact with the inner wall of the fixed push rod (5).

9. A convenient wastewater sampling device according to claim 1, characterized in that, The outer wall of the sampling tube (1) is symmetrically provided with two first water inlets (3), the inner cavities of the two first water inlets (3) are interconnected with the inner cavity of the sampling tube (1), and the two first water inlets (3) and the two second water inlets (6) are interleaved.

10. A convenient wastewater sampling device according to claim 1, characterized in that, The inner wall of the sampling tube (1) has two fixed rings (8) formed vertically and equidistantly. The two fixed rings (8) are located at the upper and lower ends of the first water inlet (3) respectively. The connecting rotating ring (7) is slidably sleeved on the outer wall of the two fixed rings (8).

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