CN214149984U - Middle and lower layer sewage sampling device - Google Patents

Abstract

The utility model relates to a sewage sampling technical field discloses a well lower floor sewage sampling device, including the sampling bucket, the bung, the thickening dish, the stay cord, the apron, slide bar and pull ring, the bung passes through threaded connection and installs the top at the sampling bucket, the bottom at the sampling bucket is fixed to the thickening dish, the upper end central authorities of thickening dish are provided with cylindrical recess, the bottom at the slide bar is fixed to the apron, the top central authorities of slide bar are connected with the lower extreme of stay cord, the apron is located the recess of thickening dish upper end, the top central authorities of bung are provided with the threaded connection seat, install the connecting rod through screw-thread fit in the threaded connection seat, the upper portion that the stay cord stretched out the bung is located the connecting rod, the upper end bolt of stay cord is on the pull ring. The sampling device further comprises a sliding sleeve and a sliding sleeve connecting rod, and the sliding sleeve is vertically positioned in the center of the lower part in the sampling barrel. The utility model discloses make outside sewage can't get into the bucket through the gap between stay cord and bung in, the shutoff effect of device bottom is reliable, has improved the sewage sampling degree of accuracy.

Description

Middle and lower layer sewage sampling device

Technical Field

The utility model relates to a sewage sampling technical field especially relates to a well lower floor sewage sampling device.

Background

The fields of environmental monitoring, sewage treatment and the like all need to use a sewage sampler which is divided into a water surface sewage sampler, a middle-layer sewage sampler and a lower-layer sewage sampler. The existing middle-layer sewage sampler mainly comprises a sampling barrel, a barrel cover, two pull ropes and an in-barrel opening and closing sealing assembly, wherein the sampling barrel assembly falls into sewage with a certain depth through one pull rope, and the opening and closing of the in-barrel opening and closing sealing assembly are manually adjusted by the other pull rope to sample sewage.

In the existing middle-layer sewage sampler, a gap inevitably exists between the pull rope and the barrel cover for opening and closing the sealing assembly in the barrel, and external sewage at different depths after sinking into water can enter the sampling barrel through the gap between the pull rope and the barrel cover, so that the sewage sampling is inaccurate.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a well lower floor's sewage sampling device for in outside sewage can't get into the bucket through the gap between stay cord and bung, the shutoff effect of device bottom is reliable, has improved the sewage sampling degree of accuracy.

The utility model discloses a following technical scheme realizes: the utility model provides a well lower floor sewage sampling device, includes sampling bucket, bung, thickening dish, stay cord, apron, slide bar and pull ring, the bung passes through threaded connection and installs the top at the sampling bucket, the bottom at the sampling bucket is fixed to the thickening dish, and the upper end central authorities of thickening dish are provided with cylindrical recess, the bottom at the slide bar is fixed to the apron, the top central authorities of slide bar are connected with the lower extreme of stay cord, the apron is located the recess of thickening dish upper end, the top central authorities of bung are provided with the threaded connection seat, install the connecting rod through screw-thread fit in the threaded connection seat, the central authorities of connecting rod are hollow, and the upper portion that the bung was stretched out to the stay cord is located the connecting rod, the upper end bolt of stay cord is on the pull ring.

Further, the utility model discloses a well lower floor's sewage sampling device still includes sliding sleeve and sliding sleeve connecting rod, the vertical lower part central authorities that are located sampling bucket of sliding sleeve are connected through a plurality of sliding sleeve connecting rods between the outside of sliding sleeve and the sampling bucket inner wall, the slide bar passes through the shaft hole clearance fit setting in the sliding sleeve.

Furthermore, the connecting rod comprises a sub-threaded rod and a threaded rod connecting sleeve, the centers of the sub-threaded rod and the threaded rod connecting sleeve are hollow, and two adjacent sub-threaded rods are connected through the threaded rod connecting sleeve.

Furthermore, a liquid outlet pipeline is arranged in the center of the bottom end of the sampling barrel.

Further, a second gasket is arranged in a central groove at the upper end of the thickening disc.

Further, a first gasket is arranged between the threaded connection seat and the bottom end of the connecting rod.

Further, a third gasket is arranged between the sub threaded rod and the threaded rod connecting sleeve.

Further, the length of the single sub-threaded rod is 60-120 cm.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a whole lower part of stay cord all is located sampling bucket and connecting rod among well lower floor's sewage sampling device, and seamless between stay cord and bung avoids the outside sewage of current sampling bucket ubiquitous to enter into the problem in the sampling bucket through the gap between stay cord and bung, has improved the quality of sewage sampling.

2. The utility model discloses a well lower floor's sewage sampling device passes through stay cord pulling slide bar, and the vertical elevating movement of slide bar internal stability in the sliding sleeve, apron can be spacing by the sliding sleeve after rising the take the altitude, avoids the apron to promote too high. After the pull rope is loosened, the cover plate at the lower end of the slide rod can accurately fall into the groove at the upper end of the plugging thickening disc, and the plugging effect is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the present invention with the connecting rod removed;

fig. 3 is a schematic structural diagram of the middle connecting rod of the present invention.

In the figure: 1. a sampling barrel; 2. a barrel cover; 3. a liquid outlet pipeline; 4. a thickening disc; 5. pulling a rope; 6. a sliding sleeve; 7. a cover plate; 8. a slide bar; 9. a sliding sleeve connecting rod; 10. a pull ring; 21. a threaded connection base; 22. a sub-threaded rod; 23. a threaded rod connecting sleeve; 31. a first gasket; 32. a second gasket; 33. a third gasket.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Example 1

As shown in fig. 1 to 3, the utility model discloses a well lower floor's sewage sampling device, including sampling bucket 1, bung 2, thickening dish 4, stay cord 5, apron 7, slide bar 8 and pull ring 10, bung 2 passes through threaded connection and installs the top at sampling bucket 1 for bung 2 can be convenient dismantles, conveniently washs and looks over in the sampling bucket 1, can set up the sealing washer between the top of bung 2 and sampling bucket 1, increases the leakproofness, sampling bucket 1 can adopt the transparent plastic material, conveniently observes wherein sewage state, sampling bucket 1 also can adopt the metal material of course. Thickening dish 4 is fixed in the bottom of sampling bucket 1, and the upper end central authorities of thickening dish 4 are provided with cylindrical recess, and thickening dish 4 is the metal material, increases sampling bucket 1's weight, makes its sinking in sewage that can be more steady sample.

Apron 7 is fixed in the bottom of slide bar 8, and the top central authorities of slide bar 8 are connected with the lower extreme of stay cord 5, and apron 7 is located the recess of thickened dish 4 upper end, and apron 7, slide bar 8 are solid metal material, and weight is big, can be better through the recess of apron 7 shutoff thickened dish 4 upper end, is provided with second packing ring 32 in the recess of the upper end central authorities of thickened dish 4, improves the leakproofness. The top center of bung 2 is provided with threaded connection seat 21, installs the connecting rod through screw-thread fit in the threaded connection seat 21, is provided with first packing ring 31 between the bottom of threaded connection seat 21 and connecting rod, improves the leakproofness. The center of the connecting rod is hollow, the upper part of the pulling rope 5 extending out of the barrel cover 2 is positioned in the connecting rod, and the upper end of the pulling rope 5 is bolted on the pulling ring 10. Make the whole lower part of stay cord 5 all be located sampling bucket 1 and connecting rod, seamless between stay cord and bung 2, avoid the problem that current sampling bucket ubiquitous outside sewage enters into sampling bucket 1 through the clearance between stay cord and bung 2, improve the quality of sewage sampling.

The connecting rod in this embodiment includes sub-threaded rod 22 and threaded rod adapter sleeve 23, and sub-threaded rod 22 and threaded rod adapter sleeve 23's central authorities are hollow form, connect through threaded rod adapter sleeve 23 between two adjacent sub-threaded rods 22, and the length of single sub-threaded rod 22 is 60 ~ 120cm for the length of connecting rod can be as required convenient adjust the use, is provided with third packing ring 33 between sub-threaded rod 22 and the threaded rod adapter sleeve 23.

Example 2

As shown in fig. 1 and fig. 2, on the basis of structure in embodiment 1, the utility model discloses still include sliding sleeve 6 and sliding sleeve connecting rod 9, sliding sleeve 6 is vertical to be located sampling bucket 1 lower part central authorities, be connected through a plurality of sliding sleeve connecting rods 9 between sliding sleeve 6's the outside and the 1 inner wall of sampling bucket, slide bar 8 passes through shaft hole clearance fit and sets up in sliding sleeve 6, when making through 5 pulling slide bar 8 of stay cord, slide bar 8 is at the vertical elevating movement of sliding sleeve 6 internal stability, can be spacing by sliding sleeve 6 after apron 7 rises a take the altitude, avoid the too high that apron 7 promoted, can also guarantee to relax behind stay cord 5, apron 7 of slide bar 8 lower extreme can be accurate fall into the recess of shutoff thickened disk 4 upper end. The liquid outlet pipeline 3 is arranged in the center of the bottom end of the sampling barrel 1, so that when liquid is discharged on the ground, the liquid can be accurately discharged through the liquid outlet pipeline 3, and sewage is prevented from being spilled.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. The utility model provides a middle and lower floor sewage sampling device which characterized in that: comprises a sampling barrel (1), a barrel cover (2), a thickening disc (4), a pull rope (5), a cover plate (7), a sliding rod (8) and a pull ring (10), wherein the barrel cover (2) is installed at the top end of the sampling barrel (1) through threaded connection, the thickening disc (4) is fixed at the bottom end of the sampling barrel (1), a cylindrical groove is formed in the center of the upper end of the thickening disc (4), the cover plate (7) is fixed at the bottom end of the sliding rod (8), the center of the top end of the sliding rod (8) is connected with the lower end of the pull rope (5), the cover plate (7) is positioned in the groove in the upper end of the thickening disc (4), a threaded connection seat (21) is arranged in the center of the top of the barrel cover (2), a connecting rod is installed in the threaded connection seat (21) through threaded fit, the center of the connecting rod is hollow, the pull rope (5) extends out of the upper part of the barrel cover (2) and is positioned in the connecting rod, the upper end of the pull rope (5) is bolted on the pull ring (10).

2. The middle and lower layer sewage sampling device according to claim 1, wherein: still include sliding sleeve (6) and sliding sleeve connecting rod (9), sliding sleeve (6) are vertical to be located sampling bucket (1) lower part central authorities, are connected through a plurality of sliding sleeve connecting rods (9) between the outside of sliding sleeve (6) and sampling bucket (1) inner wall, slide bar (8) set up in sliding sleeve (6) through shaft hole clearance fit.

3. The middle and lower layer sewage sampling device according to claim 1 or 2, wherein: the connecting rod comprises a sub-threaded rod (22) and a threaded rod connecting sleeve (23), the centers of the sub-threaded rod (22) and the threaded rod connecting sleeve (23) are hollow, and two adjacent sub-threaded rods (22) are connected through the threaded rod connecting sleeve (23).

4. The middle and lower layer sewage sampling device according to claim 1 or 2, wherein: and a liquid outlet pipeline (3) is arranged in the center of the bottom end of the sampling barrel (1).

5. The middle and lower layer sewage sampling device according to claim 3, wherein: and a second gasket (32) is arranged in the central groove at the upper end of the thickening disc (4).

6. The middle and lower layer sewage sampling device according to claim 3, wherein: a first gasket (31) is arranged between the threaded connecting seat (21) and the bottom end of the connecting rod.

7. The middle and lower layer sewage sampling device according to claim 3, wherein: and a third gasket (33) is arranged between the sub threaded rod (22) and the threaded rod connecting sleeve (23).

8. The middle and lower layer sewage sampling device according to claim 3, wherein: the length of the single sub-threaded rod (22) is 60-120 cm.

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