Park sewage sampling device

Abstract

The utility model discloses a park sewage sampling device, relates to the technical field of sewage sampling, and solves the problems that most of transmission pipes of the conventional sewage sampling device are in a conducting state, sewage and the transmission pipes are always in a sewage discharge state after the sewage sampling device is put into water, and the leakage of the sewage sampling device is caused; the sewage sampling device comprises a cylinder body, the upper wall surface and the lower wall surface of the cylinder body are both of an open structure, the upper end and the lower end of the cylinder body are in threaded connection with an upper cover body and a lower cover body respectively, a plurality of filtering holes are formed in the upper cover body, and a plurality of filtering holes are formed in the lower cover body. According to the sewage sampling device, a main body for containing water is formed by splicing the cylinder body, the upper cover body and the lower cover body, large impurities are prevented from entering the cylinder body through the filtering holes, the liquid outlet pipe is closed and opened through the valve plate structure, leakage of the sewage sampling device is prevented in the closed state, and sampled sewage is conveniently discharged in the opened state.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage sampling, in particular to a park sewage sampling device. Background Art

[0002] Sewage refers to the discharged water from life and production that is polluted to a certain extent. Water that has lost its original use function is referred to as sewage. It is mainly water used in life. Most of the sewage in the park is domestic sewage and lake sewage. Therefore, it is necessary to test the sewage. When the sewage treatment sampling device is used, a transmission pipe needs to be connected to the bottom connection port on its surface. However, most of the transmission pipes of the existing sewage sampling devices are in a conducting state. After the sewage sampling device is placed in water, the sewage is taken out again. The transmission pipe is always in a sewage discharge state, which causes leakage of the sewage sampling device and reduces the load-bearing work efficiency of the sewage sampling device. Utility Model Content

[0003] In view of the deficiencies in the prior art, the utility model provides a park sewage sampling device, which solves the technical problem that most of the transmission pipes of the existing sewage sampling devices are in a conducting state. After the sewage sampling device is placed in water and sewage is taken out, the transmission pipe is always in a sewage discharge state, which causes leakage of the sewage sampling device and reduces the load-bearing work efficiency of the sewage sampling device.

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a park sewage sampling device, including a cylinder, the upper wall and the lower wall of the cylinder are both open structures, the upper end and the lower end of the cylinder are respectively threadedly connected with an upper cover body and a lower cover body, the upper cover body is provided with a plurality of filter holes, a limiting ring is provided inside the lower cover body, the limiting ring is in contact with the lower end port of the cylinder, a liquid outlet pipe is provided on the lower cover body and below the limiting ring, the liquid outlet pipe is communicated with the lower cover body, a valve plate structure is provided inside the liquid outlet pipe, and a counterweight block is provided on the outer lower wall of the lower cover body.

[0005] Preferably, the valve plate structure includes a first bearing and a second bearing, the upper wall surface of the liquid outlet pipe is provided with a mounting hole, the lower wall surface of the liquid outlet pipe is provided with a mounting groove, the first bearing and the second bearing are fixedly installed in the mounting hole and the mounting groove respectively, a rotating rod is fixedly installed between the inner ring of the first bearing and the inner ring of the second bearing, the upper end of the rotating rod passes through the first bearing, a blocking plate is installed on the rotating rod, the blocking plate is located in the liquid outlet pipe, a rotating block is fixedly installed on the upper end of the rotating rod, and a limiting portion is provided between the rotating block and the liquid outlet pipe.

[0006] Preferably, the limiting portion includes a pair of grooves, the pair of grooves are opened on the lower wall of the rotating block and are located on both sides of the rotating rod, the upper wall of the liquid outlet pipe and are respectively provided with inner cavities on both sides of the rotating rod, a spring is opened on the lower wall of the inner cavity, a ball is installed on the spring, an opening is opened on the upper wall of the inner cavity, and the ball is exposed from the opening.

[0007] Preferably, the ball diameter is larger than the opening diameter.

[0008] Preferably, the cross-sectional shape of the groove is a hemispherical structure, and the groove matches the ball.

[0009] Preferably, the longitudinal section of the rotating block is perpendicular to the longitudinal section of the blocking plate.

[0010] Preferably, a sealing gasket is provided between the lower end port of the cylinder and the limiting ring.

[0011] Preferably, a handle is provided on the cylinder.

[0012] Beneficial Effects

[0013] The utility model provides a sewage sampling device for a park, which solves the technical problem that most of the transmission pipes of the existing sewage sampling devices are in a conducting state, and after the sewage sampling device is put into water, sewage is taken out again, and the transmission pipe is always in a sewage discharge state, which causes leakage of the sewage sampling device and reduces the load-bearing work efficiency of the sewage sampling device. The utility model forms a water-containing main body by splicing a cylinder, an upper cover body and a lower cover body, prevents large impurities from entering the cylinder through filtering holes, and realizes the closing and conducting of the liquid outlet pipe through a valve plate structure. In the closed state, leakage of the sewage sampling device is prevented, and in the conducting state, the sampled sewage is easy to be discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of a park sewage sampling device described in the utility model.

[0015] Figure 2 This is a schematic diagram of the lower cover structure of a park sewage sampling device described in the utility model.

[0016] Figure 3 This is a schematic structural diagram of a closed state of a liquid outlet pipe of a park sewage sampling device described in the utility model.

[0017] Figure 4 This is a schematic structural diagram of the conduction state of a liquid outlet pipe of a park sewage sampling device described in the utility model.

[0018] In the figure: 1. cylinder; 2. upper cover; 3. lower cover; 4. filter hole; 5. limit ring; 6. liquid outlet pipe; 7. counterweight; 8. first bearing; 9. second bearing; 10. rotating rod; 11. blocking plate; 12. rotating block; 13. groove; 14. inner cavity; 15. spring; 16. ball; 17. sealing gasket; 18. handle. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in 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 in 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.

[0020] See also Figure 1-4 The utility model provides a technical solution: a park sewage sampling device, including a cylinder 1, the upper wall and the lower wall of the cylinder 1 are both open structures, the upper end of the cylinder 1 and the lower end of the cylinder 1 are respectively threadedly connected with an upper cover 2 and a lower cover 3, a plurality of filter holes 4 are opened on the upper cover 2, a limit ring 5 is arranged in the lower cover 3, the limit ring 5 is in contact with the lower end port of the cylinder 1, a liquid outlet pipe 6 is arranged on the lower cover 3 and below the limit ring 5, the liquid outlet pipe 6 is communicated with the lower cover 3, a valve plate structure is arranged in the liquid outlet pipe 6, and a counterweight block 7 is arranged on the lower wall of the lower cover 3. The upper cover 2 and the lower cover 3 are docked with the cylinder 1, the valve plate structure is closed, and the cylinder 1 is placed in the sewage to be sampled, the filter holes 4 block large impurities in the sewage, and the cylinder 1 holds the sewage.

[0021] Furthermore, the valve plate structure includes a first bearing 8 and a second bearing 9, a mounting hole is provided on the upper wall of the liquid outlet pipe 6, a mounting groove is provided on the lower wall of the liquid outlet pipe 6, the first bearing 8 and the second bearing 9 are fixedly installed in the mounting hole and the mounting groove respectively, a rotating rod 10 is fixedly installed between the inner ring of the first bearing 8 and the inner ring of the second bearing 9, the upper end of the rotating rod 10 passes through the first bearing 8, a blocking plate 11 is installed on the rotating rod 10, the blocking plate 11 is located in the liquid outlet pipe 6, a rotating block 12 is fixedly installed on the upper end of the rotating rod 10, and a limiting portion is provided between the rotating block 12 and the liquid outlet pipe 6. The rotating block 12 is rotated, and the rotating block 12 drives the rotating rod 10 to rotate, thereby realizing the closing and conduction of the inside of the liquid outlet pipe 6 by the blocking plate 11, and realizing the sealing and opening of the liquid outlet pipe 6.

[0022] Furthermore, the limiting part includes a pair of grooves 13, which are opened on the lower wall of the rotating block 12 and located on both sides of the rotating rod 10. The upper wall of the liquid outlet pipe 6 and the two sides of the rotating rod 10 are respectively provided with inner cavities 14, and the lower wall of the inner cavity 14 is provided with a spring 15, and a ball 16 is installed on the spring 15. The upper wall of the inner cavity 14 is provided with an opening, and the ball 16 is exposed at the opening. Through the cooperation of the ball 16 and the groove 13, the rotating block 12 is limited on the liquid outlet pipe 6.

[0023] Further, the diameter of the ball 16 is larger than the diameter of the opening, so as to prevent the ball 16 from moving out of the opening.

[0024] Furthermore, the cross-sectional shape of the groove 13 is a hemispherical structure, and the groove 13 matches the ball 16, so that the ball 16 fits with the groove 13.

[0025] Furthermore, the longitudinal section of the rotating block 12 is perpendicular to the longitudinal section of the blocking plate 11. When the blocking plate 11 is in the closed state, the rotating block 12 is limited by the limiting portion.

[0026] Furthermore, a sealing gasket 17 is provided between the lower end port of the cylinder 1 and the limiting ring 5. The sealing gasket 17 plays a sealing role.

[0027] Further, a handle 18 is provided on the cylinder 1 to facilitate the cylinder 1 to be subjected to a pulling force.

[0028] The detailed connection means are well-known in the art. The following mainly introduces the working principle and process. The specific work is as follows.

[0029] Embodiment: According to the drawings in the specification, when in use, the upper cover body 2 and the lower cover body 3 are respectively connected to the cylinder body 1, and the rotating block 12 is rotated at this time. The rotating block 12 drives the rotating rod 10 to rotate under the action of the first bearing 8 and the second bearing 9, so that the rotating rod 10 drives the blocking plate 11 to close the liquid outlet pipe 6. At this time, the ball 16 fits with the groove 13 on the lower wall of the rotating block 12, and then the rotating block 12 is limited. At this time, the liquid outlet pipe 6 is in a closed state. The staff can put the cylinder body 1 into the sewage to be tested by hand or wire. The sewage enters the cylinder body 1 through the filter hole 4. The filter hole 4 filters the large impurities in the sewage. The sewage is loaded through the cylinder body 1. After a period of filling, the staff pulls the cylinder body 1 out of the sewage. At this time, the rotating block 12 is rotated again, and the rotating block 12 drives the rotating rod 10 to rotate, so that the blocking plate 11 is opened, and the sewage is discharged through the liquid outlet pipe 6.

[0030] It should be noted that, in this document, relational terms such as first and second, etc. are merely used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. A park sewage sampling device, comprising a cylinder (1), characterized in that: The upper wall and the lower wall of the cylinder (1) are both open structures. The upper end of the cylinder (1) and the lower end of the cylinder (1) are respectively threadedly connected to an upper cover (2) and a lower cover (3). The upper cover (2) is provided with a plurality of filtering holes (4). A limiting ring (5) is provided inside the lower cover (3). The limiting ring (5) is in contact with the lower end port of the cylinder (1). A liquid outlet pipe (6) is provided on the lower cover (3) and below the limiting ring (5). The liquid outlet pipe (6) is in communication with the lower cover (3). A valve plate structure is provided inside the liquid outlet pipe (6). A counterweight block (7) is provided on the lower wall of the lower cover (3).

2. A park sewage sampling device according to claim 1, characterized in that The valve plate structure comprises a first bearing (8) and a second bearing (9); a mounting hole is provided on the upper wall surface of the liquid outlet pipe (6); a mounting groove is provided on the inner lower wall surface of the liquid outlet pipe (6); the first bearing (8) and the second bearing (9) are fixedly installed in the mounting hole and the mounting groove respectively; a rotating rod (10) is fixedly installed between the inner ring of the first bearing (8) and the inner ring of the second bearing (9); the upper end of the rotating rod (10) passes through the first bearing (8); a blocking plate (11) is installed on the rotating rod (10); the blocking plate (11) is located in the liquid outlet pipe (6); a rotating block (12) is fixedly installed on the upper end of the rotating rod (10); a limiting portion is provided between the rotating block (12) and the liquid outlet pipe (6).

3. A park sewage sampling device according to claim 2, characterized in that The limiting portion includes a pair of grooves (13), the pair of grooves (13) are opened on the lower wall of the rotating block (12) and are located on both sides of the rotating rod (10), the upper wall of the liquid outlet pipe (6) and located on both sides of the rotating rod (10) are respectively provided with inner cavities (14), the lower wall of the inner cavity (14) is provided with a spring (15), a ball (16) is installed on the spring (15), and an opening is opened on the upper wall of the inner cavity (14), and the ball (16) is exposed from the opening.

4. A park sewage sampling device according to claim 3, characterized in that , the diameter of the ball (16) is larger than the opening diameter.

5. A park sewage sampling device according to claim 3, characterized in that The cross-sectional shape of the groove (13) is a hemispherical structure, and the groove (13) matches the ball (16).

6. A park sewage sampling device according to claim 2, characterized in that , the longitudinal section of the rotating block (12) is perpendicular to the longitudinal section of the blocking plate (11).

7. A park sewage sampling device according to claim 1, characterized in that A sealing gasket (17) is provided between the lower end port of the cylinder (1) and the limiting ring (5).

8. A park sewage sampling device according to claim 1, characterized in that The cylinder (1) is provided with a handle (18).

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