Auxiliary sampling device for sewage detection

Abstract

The utility model relates to the technical field of sewage detection sampling devices, in particular to an auxiliary sampling device for sewage detection. According to the technical scheme, the sampling device comprises a stainless steel column, a plurality of sampling pipes are installed on the outer side wall of the stainless steel column in a clamped mode, a sealing assembly is movably installed on the stainless steel column, a grounding adjusting rod is movably installed on the stainless steel column, the bottom end of the grounding adjusting rod extends to the position below the stainless steel column, and the top end of the grounding adjusting rod is fixedly connected with the sealing assembly. The sealing assembly is pushed to move upwards through the bottoming adjusting rod, after the device sinks to the bottom of a sewage pool, the pipe opening of the sampling pipe is opened, it is ensured that sewage at the bottom of the pool can enter the sampling pipe, when the device is pulled to move upwards, the bottoming adjusting rod is pushed to move downwards through the spring, and then the sealing assembly blocks the pipe opening of the sampling pipe; in the sinking and withdrawing process of the sampling pipe, sewage in a non-pool-bottom area can be prevented from entering the sampling pipe, and the sampling accuracy is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage detection sampling device technical field especially sewage detection auxiliary sampling device. BACKGROUND

[0002] Sewage detection sampling is an important link to obtain representative sewage samples in order to accurately analyze sewage quality and pollution condition, especially when collecting samples of sewage in the bottom area of the sewage pool, the sampling device needs to sink into the bottom to ensure that the sewage in the bottom area of the sewage pool can enter the inside of the sampling container.

[0003] But in the actual sampling process, because the sampling device is easy to cause the sewage in the non-bottom area to enter the sampling device during sinking and retracting, so that the sewage in different depths is mixed together, thus interference is caused to the sample, and the precision of sampling is obviously reduced, therefore, the sewage detection auxiliary sampling device capable of preventing the mixing of sewage in different depths is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at the problem that the sewage in different depths is easy to mix into the sampling device in the background art, and proposes the sewage detection auxiliary sampling device capable of preventing the mixing of sewage in different depths.

[0005] The technical scheme of the utility model is: the sewage detection auxiliary sampling device, including stainless steel column, a plurality of sampling tubes are installed on the outer side wall of the stainless steel column in clamping, and the utility model also includes:

[0006] The sealing assembly is movably installed on the stainless steel column, and the sealing assembly is used for plugging the pipe opening of the sampling tube.

[0007] The bottom touch adjusting rod is movably installed on the stainless steel column, the bottom end of the bottom touch adjusting rod extends below the stainless steel column, the top end of the bottom touch adjusting rod is fixedly connected with the sealing assembly, and the bottom touch adjusting rod is used for driving the sealing assembly to move up and down.

[0008] Optionally, the sealing assembly includes a cross-shaped frame plate, the cross-shaped frame plate is movably installed on the stainless steel column, and a plurality of rubber plugs are fixedly installed on the cross-shaped frame plate.

[0009] Optionally, a circular mounting groove with an open top end is excavated in the stainless steel column, a plurality of long strip-shaped limiting openings are excavated in the side wall of the stainless steel column and communicated with the circular mounting groove, and one end of the cross-shaped frame plate passes through the long strip-shaped limiting opening and is movably connected with the long strip-shaped limiting opening.

[0010] Optionally, the bottom end of the stainless steel column is drilled with a rod passing groove in communication with the circular mounting groove, the top end of the bottom-touching adjusting rod is fixedly connected with the cross-shaped rack plate, and the bottom end of the bottom-touching adjusting rod passes through the rod passing groove and is movably connected with the rod passing groove.

[0011] Optionally, an annular limiting plate is fixedly installed inside the circular mounting groove, an annular supporting plate is fixedly installed on the outer side wall of the bottom-touching adjusting rod, and a spring is movably installed inside the circular mounting groove and arranged between the annular limiting plate and the annular supporting plate.

[0012] Optionally, a plurality of open-top supporting sleeves are fixedly installed on the outer side wall of the stainless steel column, and the bottom end of the sampling pipe is inserted into the inside of a matched supporting sleeve and is clampedly connected with the supporting sleeve.

[0013] Optionally, a positioning assembly is fixedly installed on the outer side wall of the stainless steel column, the positioning assembly comprises a sleeve ring movably sleeved on the outer side wall of the stainless steel column, a plurality of positioning rings are fixedly installed on the outer side wall of the sleeve ring, and the bottom end of the open end of the sampling pipe is inserted into a matched annular groove and is clampedly connected with the annular groove.

[0014] Optionally, the sleeve ring is fixed on the outer side wall of the stainless steel column through bolts, and the bottom end of the rubber plug is inserted into the inside of a matched positioning ring and is tightly clamped.

[0015] Optionally, a cover is threadedly installed at the top end of the stainless steel column, an internally threaded column is arranged at the bottom end of the cover, the internally threaded column is inserted into the slot of the circular mounting groove and is threadedly connected with the slot, and a rope buckle is drilled at the top end of the cover.

[0016] Compared with the prior art, the application has at least one of the following beneficial technical effects: the bottom-touching adjusting rod pushes the sealing assembly to move upward, when the device sinks to the bottom of the sewage pool, the pipe opening of the sampling pipe is opened, so that the sewage at the bottom of the pool can enter the inside of the sampling pipe, when the device is pulled to move upward, the bottom-touching adjusting rod is pushed downward by the spring, and then the sealing assembly is sealed at the pipe opening of the sampling pipe, in the process of sinking and retracting of the sampling pipe, the sewage in the non-pool bottom area can be prevented from entering the sampling pipe, and the sampling accuracy is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a stainless steel column sectional view of the utility model;

[0019] Figure 3 It is a bottom-touching adjusting rod and sealing assembly structure schematic view of the utility model;

[0020] Figure 4 It is the positioning assembly structural schematic view of the utility model.

[0021] Figure 5 It is the sealing cover structure schematic view of the utility model.

[0022] Reference signs: 1, stainless steel column; 11, round mounting groove; 12, long strip limit mouth; 13, annular limit plate; 14, spring; 15, through rod through groove;

[0023] 2, positioning assembly; 21, sleeve ring; 22, positioning ring; 23, annular groove;

[0024] 3, sampling tube;

[0025] 4, bearing sleeve;

[0026] 5, bottom touch adjusting rod; 51, annular supporting plate;

[0027] 6, sealing assembly; 61, cross-shaped frame plate; 62, rubber plug;

[0028] 7, sealing cover; 71, rope buckle; 72, internal thread column. DETAILED DESCRIPTION

[0029] The technical scheme of the utility model will be further explained in conjunction with the drawings and specific embodiments. EMBODIMENT

[0030] As Figures 1-3As shown, the utility model discloses an auxiliary sampling device for sewage detection, including stainless steel column 1, the outer side wall of stainless steel column 1 is hinged and is installed with a plurality of sampling tubes 3, when stainless steel column 1 drives sampling tube 3 and sinks in the pool bottom of sewage pool, the sewage of pool bottom area is conveniently filled into the inside of sampling tube 3, the top of stainless steel column 1 is carved with the circular mounting groove 11 of top opening, the bottom of stainless steel column 1 is carved with the through rod through groove 15 that communicates with circular mounting groove 11, the through rod through groove 15 place is movably provided with the bottom touch adjusting rod 5, the top of bottom touch adjusting rod 5 is fixedly connected with the cross-shaped frame plate 61 of sealing assembly 6, when bottom touch adjusting rod 5 contacts the pool bottom of sewage pool, can drive sealing assembly 6 and move upwards, so that the rubber plug 62 on sealing assembly 6 is away from the pipe orifice end of sampling tube 3, conveniently let the sewage of pool bottom enter sampling tube 3, the inside of circular mounting groove 11 is equipped with spring 14, when bottom touch adjusting rod 5 touches the bottom and moves upwards, spring 14 enters the compressed state, when staff pulls stainless steel column 1 and withdraws sampling device, the spring 14 of compressed state restores to the unfolded state, in turn promotes bottom touch adjusting rod 5 and moves down, can let rubber plug 62 follow and move down and block again at the pipe orifice of sampling tube 3, in the stage of sampling device withdrawal, can prevent the sewage of non-pool bottom area and enter the inside of sampling tube 3, avoid the sewage of different depth and mix into sampling tube 3, effectively improve the precision of sampling.

[0031] As Figures 1-3 As shown, in order to improve the stability when sealing assembly 6 is lifted and moved, a plurality of long strip limit openings 12 are carved on the side wall of stainless steel column 1 and communicate with circular mounting groove 11, one end of cross-shaped frame plate 61 away from bottom touch adjusting rod 5 passes through long strip limit opening 12 and extends to the outside of stainless steel column 1, and the cross-shaped frame plate 61 is limited in the horizontal direction through long strip limit opening 12, so as to effectively improve the stability when sealing assembly 6 is lifted and moved.

[0032] Secondly, during the installation of cross-shaped frame plate 61, four independent straight plates are inserted into the inside of circular mounting groove 11 from long strip limit opening 12, when the end of the straight plate contacts the outer side wall of bottom touch adjusting rod 5, the straight plate is welded and fixed on bottom touch adjusting rod 5 from the top opening of circular mounting groove 11, when the four straight plates are all fixed on bottom touch adjusting rod 5, cross-shaped frame plate 61 is formed, and then the rubber plug 62 is fixed on the straight plate by using bolts, so as to reduce the assembly difficulty of sealing assembly 6.

[0033] As Figure 1 And Figure 2As shown, in order to improve the stability of the spring 14 driven touch bottom adjusting rod 5 lifting movement, the annular limiting plate 13 is welded and fixed inside the circular mounting groove 11, the annular supporting plate 51 is fixedly installed on the outer side wall of the touch bottom adjusting rod 5, the spring 14 is sleeved on the outer wall of the touch bottom adjusting rod 5, and the spring 14 is arranged between the annular limiting plate 13 and the annular supporting plate 51. The top end of the spring 14 is limited by the annular limiting plate 13, which improves the stability of the spring 14 after installation; when the bottom end of the touch bottom adjusting rod 5 contacts the bottom of the sewage tank, the stainless steel column 1 continuously moves downward under the action of gravity, so that the bottom end of the touch bottom adjusting rod 5 is retracted into the stainless steel column 1, and at this time the annular supporting plate 51 compresses the spring 14; when the sampling device is retracted, the stainless steel column 1 moves upward after being subjected to artificial tension. The spring 14 in the compressed state gradually recovers to the expanded state, and then pushes the touch bottom adjusting rod 5 to move downward, effectively improving the stability of the touch bottom adjusting rod 5 during lifting movement.

[0034] It is worth noting that the stainless steel column 1 is composed of two independent steel columns welded together, and the welding seam is located near and above the annular limiting plate 13. The touch bottom adjusting rod 5 is inserted into the circular mounting groove 11 from the rod passing groove 15, and then the spring 14 is placed in the circular mounting groove 11. After the top end of the touch bottom adjusting rod 5 passes through the spring 14 and the annular limiting plate 13, the annular limiting plate 13 is welded and fixed in the steel column at the bottom end. Finally, the two steel columns are welded together, effectively improving the convenience of spring 14 installation.

[0035] As shown in Figure 1 , Figure 3 and Figure 4 , in order to improve the firmness of the sampling pipe 3 after installation, a plurality of open-end supporting sleeves 4 are fixedly installed on the outer side wall of the stainless steel column 1, and the bottom end of the sampling pipe 3 is inserted into the supporting sleeve 4. The bottom end of the sampling pipe 3 can be supported and limited; then adjust the positioning assembly 2 downward, and when the pipe end of the sampling pipe 3 is inserted into the annular groove 23 at the bottom end of the positioning ring 22, the pipe end of the sampling pipe 3 can be limited. At this time, the sampling pipe 3 is clamped between the supporting sleeve 4 and the positioning assembly 2, ensuring that the sampling pipe 3 can be firmly installed on the outer side wall of the stainless steel column 1.

[0036] Further, the sleeve ring 21 provided on the positioning assembly 2 is movably sleeved on the stainless steel column 1, facilitating the lifting adjustment of the positioning assembly 2. When the positioning ring 22 and the pipe end of the sampling pipe 3 are connected together, the sleeve ring 21 is fixed on the outer side wall of the stainless steel column 1 by bolts, effectively improving the firmness of the positioning assembly 2 after installation.

[0037] Secondly, when the sealing assembly 6 moves downward, the rubber plug 62 is inserted into the positioning ring 22, at this time the outer side wall of the rubber plug 62 is in close contact with the inner side wall of the positioning ring 22, and since the edge part of the pipe mouth of the sampling tube 3 is embedded into the annular groove 23 at the bottom of the positioning ring 22, after the rubber plug 62 is tightly clamped with the positioning ring 22, the sealing of the pipe mouth end of the sampling tube 3 is completed.

[0038] As shown in Figure 1 and Figure 5 In order to facilitate pulling the sampling device, a cover 7 is threadedly installed at the top end of the stainless steel column 1, a rope buckle 71 is drilled at the top end of the cover 7, the end of the pulling rope is tied to the rope buckle 71, and the staff can stand beside the sewage pool to throw the sampling device into the sewage pool, and the sampling device can be retrieved by pulling the pulling rope after sampling, which is convenient for operation; the bottom of the cover 7 is provided with an internally threaded column 72, the internally threaded column 72 is threadedly installed at the slot opening of the circular mounting groove 11, which can ensure the firmness of the connection between the cover 7 and the stainless steel column 1, and the threaded installation structure facilitates the disassembly and assembly of the cover 7, and when the cover 7 is disassembled, the cross-shaped frame plate 61 can be installed and maintained from the slot opening of the circular mounting groove 11, which is convenient for welding processing of the cross-shaped frame plate 61 and the bottom-touching adjusting rod 5.

[0039] In this embodiment, first, one end of the pulling rope is tied to the cover 7, and the staff can stand beside the sewage pool to throw the sampling device into the sewage, and under the action of gravity, the stainless steel column 1 drives the plurality of sampling tubes 3 to sink to the bottom of the sewage pool, in this process, the rubber plug 62 seals at the positioning ring 22, which can seal the pipe mouth of the sampling tube 3, and can prevent the sewage in the non-bottom area from entering the inside of the sampling tube 3 during the sinking stage of the sampling tube 3; when the sampling device sinks to the bottom, the bottom end of the bottom-touching adjusting rod 5 contacts the bottom of the sewage pool, at this time, the stainless steel column 1 continues to sink, and then the bottom-touching adjusting rod 5 moves upward, at this time, the spring 14 gradually enters the compressed state; during the upward movement of the bottom-touching adjusting rod 5, the sealing assembly 6 can be pushed to move upward, and then the rubber plug 62 moves upward and away from the positioning ring 22, which facilitates the opening of the pipe mouth end of the sampling tube 3, and facilitates the sewage in the bottom area of the sewage pool to enter the inside of the sampling tube 3; after sampling is completed, the staff pulls the pulling rope and drives the stainless steel column 1 to move upward, so that the sampling device can be retrieved from the sewage pool; during the retrieval of the sampling device, as the stainless steel column 1 gradually moves upward, the bottom-touching adjusting rod 5 gradually moves away from the bottom of the sewage pool, at this time, the spring 14 in the compressed state gradually recovers to the expanded state, and then pushes the bottom-touching adjusting rod 5 to move downward, which can drive the sealing assembly 6 to move downward and make the rubber plug 62 seal at the positioning ring 22 again, which facilitates the sealing of the pipe mouth end of the sampling tube 3, and can prevent the sewage in the non-bottom area from entering the inside of the sampling tube 3 during the retrieval stage of the sampling device, avoid the mixing of the sewage in different water depth areas in the sampling tube 3, and effectively improve the precision of sampling.

[0040] The above specific embodiments are only several optional embodiments of the present application, and based on the technical scheme of the present application and the related enlightenment of the above embodiments, the person skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. An auxiliary sampling device for wastewater testing, comprising a stainless steel column (1), wherein a plurality of sampling tubes (3) are fitted and installed on the outer side wall of the stainless steel column (1), characterized in that, It also includes: Sealing assembly (6), which is movably mounted on stainless steel column (1), is used to seal the opening of sampling tube (3); Bottom adjustment rod (5) is movably installed on stainless steel column (1). The bottom end of the bottom adjustment rod (5) extends to the bottom of stainless steel column (1). The top end of the bottom adjustment rod (5) is fixedly connected to sealing assembly (6). The bottom adjustment rod (5) is used to drive sealing assembly (6) to move up and down.

2. The auxiliary sampling device for wastewater testing according to claim 1, characterized in that, The sealing assembly (6) includes a cross-shaped frame plate (61), which is movably mounted on a stainless steel column (1), and several rubber plugs (62) are fixedly installed on the cross-shaped frame plate (61).

3. The auxiliary sampling device for wastewater testing according to claim 2, characterized in that, The stainless steel column (1) has a circular mounting groove (11) with an open top inside. The stainless steel column (1) has several elongated limiting holes (12) that communicate with the circular mounting groove (11) on its side wall. One end of the cross-shaped frame plate (61) passes through the elongated limiting hole (12) and is movably connected to it.

4. The auxiliary sampling device for wastewater testing according to claim 3, characterized in that, The bottom end of the stainless steel column (1) is chiseled with a through groove (15), which is connected to the circular mounting groove (11). The top end of the bottom-touching adjustment rod (5) is fixedly connected to the cross-shaped frame plate (61), and the bottom end of the bottom-touching adjustment rod (5) passes through the through groove (15) and is movably connected to it.

5. The auxiliary sampling device for wastewater testing according to claim 4, characterized in that, An annular limiting plate (13) is fixedly installed inside the circular mounting groove (11), and an annular support plate (51) is fixedly installed on the outer side wall of the bottom adjustment rod (5). A spring (14) is movably installed inside the circular mounting groove (11), and the spring (14) is positioned between the annular limiting plate (13) and the annular support plate (51).

6. The auxiliary sampling device for wastewater testing according to claim 2, characterized in that, Several support sleeves (4) with open tops are fixedly installed on the outer wall of the stainless steel column (1). The bottom end of the sampling tube (3) is inserted into the matching support sleeve (4) and engaged with it.

7. The auxiliary sampling device for wastewater testing according to claim 6, characterized in that, A positioning component (2) is fixedly installed on the outer wall of the stainless steel column (1). The positioning component (2) includes a collar (21), which is movably sleeved on the outer wall of the stainless steel column (1). Several positioning rings (22) are fixedly installed on the outer wall of the collar (21). An annular groove (23) is chiseled at the bottom of the positioning ring (22). The open end of the sampling tube (3) is inserted into the matching annular groove (23) and engaged with it.

8. The auxiliary sampling device for wastewater testing according to claim 7, characterized in that, The collar (21) is fixed to the outer wall of the stainless steel column (1) by bolts, and the bottom end of the rubber plug (62) is inserted into the inner side of the matching positioning ring (22) and tightly engaged with it.

9. The auxiliary sampling device for wastewater testing according to claim 3, characterized in that, The top of the stainless steel column (1) is threaded with a cap (7), and the bottom of the cap (7) is provided with an internally threaded column (72). The internally threaded column (72) is inserted into the groove of the circular mounting groove (11) and threadedly connected thereto. The top of the cap (7) is chiseled with a rope buckle (71).

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