CN218787937U

CN218787937U - Municipal sewage pipe network water quality sampler

Info

Publication number: CN218787937U
Application number: CN202222822464.3U
Authority: CN
Inventors: 谭晓路
Original assignee: Wanchuang Environmental Protection Co ltd
Current assignee: Wanchuang Environmental Protection Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-04
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a municipal administration sewage pipe network quality of water sampler, including suspension case, sampling tube, delivery pump and sampling bucket, the suspension case is floatable on the surface of water, the delivery pump sets up at the suspension incasement, the sampling tube telescopic sets up in suspension bottom of the case portion, and the sampling tube tip of intaking is through the water sample of the following different degree of depth of flexible regulation extraction liquid level, and sampling tube drainage end and delivery pump intercommunication, delivery pump output is equipped with the conveyer pipe, the conveyer pipe output passes the upper inner wall of suspension case, and the conveyer pipe extends the end and is used for controlling the removal of suspension case and carry the water sample to the sampling bucket in. Due to the design of the suspension box, the delivery pump can be directly suspended on the water surface, so that the delivery pump can better adsorb a water sample, the distance between the original sampling tube and the delivery pump is reduced, and the adsorption pressure of the delivery pump is reduced; the utility model overcomes prior art's is not enough, reasonable in design, and compact structure has higher social use value and application prospect.

Description

Municipal sewage pipe network water quality sampler

Technical Field

The utility model relates to a quality of water sampling technical field especially relates to municipal administration sewage pipe network water quality sampler.

Background

In order to ensure that the quality of discharged sewage meets the requirements or conveniently monitor the quality of water in rivers and lakes in real time, open rivers, closed pipelines, reservoirs and lakes, sediments at the bottom, underground water and sewage are generally required to be sampled.

Chinese utility model CN201620212009.3 discloses a hand-held sampler, including the main casing, be equipped with control unit, built-in motor and built-in sampling pump in the main casing internal cavity, the pivot of built-in motor link to each other with the power input port of built-in sampling pump, be connected with the liquid pipe of getting at the liquid port department of built-in sampling pump, be connected with the flowing back water pipe at the flowing back port department of built-in sampling pump, liquid pipe and flowing back water pipe all extend to outside the main casing, the one end that is used for discharging liquid to the sampling bottle at the flowing back water pipe is the flowing back end, the flowing back end of flowing back water pipe is equipped with two detection electrodes, built-in motor and detection electrode all link to each other with control unit, the vertical opening on the plastic hose can reduce the surface tension influence, prevent that the electrode from switching on by mistake under the surface tension effect, this scheme both can hand-held sampling, also can place and ground automatic sampling, automatic shutdown, operating personnel only need to keep watch on the operation can, made things convenient for on-site sampling work greatly; however, when the device is used, the suction lift of the sampling pump is limited, so that normal collection can be performed on the water surface with the bottom crossed by some fall, but when the device meets the liquid surface with large fall, the suction lift of the sampling pump cannot absorb water into the main shell, so that the trouble is still very trouble when sampling is performed on some special environments.

Therefore, the inventor takes the experience of abundant design development and actual manufacturing of the related industry for years, researches and improves the existing structure and deficiency, and provides a municipal sewage pipe network water quality sampler so as to achieve the aim of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve mention among the above-mentioned background art because the absorption lift of sampling pump is limited, the surface of water at the end is handed over at some drops, collection that can both be normal, but when meetting the great liquid level of some drops, the absorption lift of sampling pump can't absorb water to main casing internal, leads to when sampling some special environment, still very trouble problem, the utility model provides a municipal administration sewer pipe network water quality sampler.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

municipal administration sewage pipe network water sampler, including suspension case, sampling tube, delivery pump and sampling bucket, the suspension case can float on the surface of water, the delivery pump sets up at the suspension incasement, the sampling tube telescopic sets up in suspension bottom of the case portion, and the sampling tube tip of intaking is through the water sample of the following different degree of depth of flexible regulation extraction liquid level, and sampling tube drainage end and delivery pump intercommunication, delivery pump output is equipped with the conveyer pipe, the conveyer pipe output passes suspension incasement upper wall, and the conveyer pipe extension end is used for controlling the removal of suspension case and carries the water sample to the sampling bucket in.

Preferably, still including the portable mechanism that the suspension case of being convenient for carried, portable mechanism includes the portable case, be equipped with on the portable case and be used for the suspension case to place the chamber, and the portable case upper end is equipped with and to dismantle the connection and be used for placing the sealed case lid in chamber, still be equipped with the battery in the portable case, be equipped with between battery and the delivery pump and be connected and be used for power transmission's wire, can dismantle between wire one end and the portable case and be connected, and the wire other end and delivery pump fixed connection.

Furthermore, sliding connection between wire and the upper inner wall of suspension case, be equipped with in the suspension case and be used for the wire to coil the first automatic winding mechanism who contracts to the suspension incasement automatically.

Preferably, the delivery pump output end is equipped with fixed connection's outlet pipe, delivery pipe tip and outlet pipe lateral wall intercommunication, be equipped with fixed connection's defeated piece of commentaries on classics in the suspension case, defeated piece one side is equipped with the defeated groove of commentaries on classics that passes the suspension case lateral wall, be equipped with in the outlet pipe and can make a round trip movement and be used for the sealed closing plate of conveyer pipe selectivity, be equipped with in the defeated inslot and be used for the defeated mechanism of the defeated groove selectivity of commentaries on classics opening, the sample bucket import department is equipped with the bung hole of being connected with defeated groove looks block.

Furthermore, the transferring mechanism comprises a transferring plate and an adjusting ring groove, the transferring plate is arranged in the transferring groove and connected in a sliding and sealing mode, the transferring plate is located on the outer side of the transferring plate, the middle of the transferring groove is provided with an annular adjusting ring groove, the outer side of the transferring plate is provided with a plurality of sliding blocks which are fixedly connected and connected with the adjusting ring groove in a sliding mode, and the adjusting ring groove is internally provided with a return spring which is fixedly connected and used for driving the transferring plate to automatically and outwards abut against the end portion of the adjusting ring groove to seal the transferring groove.

Furthermore, the bucket opening is connected with the opening of the transferring groove through threads, and when the bucket opening completely enters the transferring groove, the bucket opening pushes the transferring plate to the middle part of the adjusting ring groove, so that the water outlet pipe is communicated with the sampling bucket.

Furthermore, the transfer plate is provided with a push rod connected with the transfer plate, the extension end of the push rod is connected with the sealing plate, the inner wall of the water outlet pipe is provided with a plurality of limiting blocks used for limiting the sealing plate to be attached to the inlet of the conveying pipe to move back and forth, and the sealing plate is provided with a communicating hole communicated with the conveying pipe.

Preferably, the sampling tube activity and the sealed suspension bottom of passing of sampling tube, be equipped with the automatic winding mechanism of second that is used for the automatic coiling of sampling tube to contract in the suspension, the sampling tube tip is equipped with fixed connection and is used for the sampling tube to sink the weight of intaking perpendicularly, should be equipped with in the automatic winding mechanism and be used for invariable self-locking mechanism of sampling tube length adjustment back locking.

Preferably, a third automatic winding mechanism for driving the conveying pipe to be automatically recycled into the suspension box is arranged in the suspension box.

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

1. the design of suspension case, the delivery pump can directly suspend on the surface of water, make the better water sample of delivery pump adsorb like this, reduced the distance between original sampling tube and the delivery pump, thereby the adsorption pressure of delivery pump has been reduced, and simultaneously, the sampling tube telescopic sets up in the suspension bottom of the case portion, the distance that can extend through the sampling tube is different, thereby can be according to the sample demand of difference, take a sample to the water of the different degree of depth below the liquid level, the design of conveyer pipe, make the conveyer pipe can carry the water sample of delivery pump absorption to the sampling bucket on bank in, and the user can also be through the motion of conveyer pipe control suspension case, be convenient for the recovery of suspension case.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure inside the suspension box of the present invention.

Fig. 3 is a schematic view of the cross-sectional structure of the transfusion block and the water outlet pipe of the present invention.

In the figure: 1. a suspension tank; 11. a transferring groove; 111. transferring the block; 112. a water outlet pipe; 113. a slider; 114. a transfer plate; 115. a return spring; 116. an adjusting ring groove; 117. a top rod; 118. a limiting block; 119. a communicating hole; 110. sealing plates; 12. a sampling tube; 121. a second automatic winding mechanism; 13. a wire; 131. a first automatic winding mechanism; 14. a delivery pipe; 141. a third automatic winding mechanism; 15. a delivery pump; 2. sampling a barrel; 21. a bung hole; 3. a portable case; 31. a placement chamber; 32. a box cover; 33. a bracelet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1, municipal sewage pipe network water quality sampler, including suspension case 1, sampling tube 12, delivery pump 15 and sampling bucket 2, suspension case 1 can float on the surface of water, delivery pump 15 sets up in suspension case 1, the setting of sampling tube 12 telescopic is in suspension case 1 bottom, and sampling tube 12 inlet end portion is through the water sample of the following different degree of depth of flexible regulation extraction liquid level, and sampling tube 12 drainage end and delivery pump 15 intercommunication, the 15 output of delivery pump is equipped with conveyer pipe 14, the conveyer pipe 14 output passes suspension case 1 upper inner wall, and conveyer pipe 14 extends the removal that the end is used for control suspension case 1 and carries the water sample to sampling bucket 2 in. Design of suspension case 1, delivery pump 15 can directly suspend on the surface of water, make the better water sample of delivery pump 15 adsorb like this, original sampling tube 12 and the distance between delivery pump 15 have been reduced, thereby the adsorption pressure of delivery pump 15 has been reduced, and simultaneously, sampling tube 12 telescopic sets up in suspension case 1 bottom, can be different through the distance of sampling tube 12 extension, thereby can be according to the sample demand of difference, take a sample to the water of the different degree of depth below the liquid level, delivery pipe 14's design, make delivery pipe 14 can carry the water sample that delivery pump 15 absorbs to the sampling barrel 2 on bank in, and the user can also be through the motion of delivery pipe 14 control suspension case 1, be convenient for the recovery of suspension case 1.

Referring to fig. 1, still including the portable mechanism that is convenient for suspension case 1 carries, portable mechanism includes portable case 3, be equipped with on portable case 3 and be used for suspension case 1 to place chamber 31, and portable case 3 upper end is equipped with can dismantle the connection and be used for placing the sealed case lid 32 in chamber 31, still be equipped with the battery in portable case 3, be equipped with between battery and the delivery pump 15 and be connected and be used for power transmission's wire 13, can dismantle between wire 13 one end and the portable case 3 and be connected, and the wire 13 other end and delivery pump 15 fixed connection. Portable case 3, place the design in chamber 31, case lid 32, can be through placing in the chamber 31 on the portable case 3, can realize the portable of suspension case 1, place the battery in portable case 3, can continuously provide electric power for delivery pump 15 to make the user can sample in outdoor optional position, with the design of battery and the separation of suspension case 1, alleviateed the gravity of suspension case 1, thereby reduced the volume of suspension case 1.

In this embodiment, a handle ring 33 for carrying is disposed on the case cover 32, a mechanism that can be detachably fixed between the case cover 32 and the case body, such as a snap connection between the buckles or a combination of a hinge and a buckle, is adopted between the case cover 32 and the portable case 3 in any one of the prior art, which is the prior art, and therefore, the present application does not perform much description thereon.

Further, sliding connection between wire 13 and the upper inner wall of suspension case 1, be equipped with in the suspension case 1 and be used for wire 13 to coil the first automatic winding mechanism 131 that contracts to suspension case 1 in automatically. In this embodiment, the first automatic winding mechanism 131 is a mechanism for automatically extending and retracting a data cable, which is widely used in the existing life, and therefore, the present application does not excessively describe this specific structure.

Referring to fig. 2-3, the delivery pump 15 output is equipped with fixed connection's outlet pipe 112, conveyer pipe 14 tip and outlet pipe 112 lateral wall intercommunication, be equipped with fixed connection's defeated piece 111 in the suspension case 1, defeated piece 111 one side is equipped with the defeated groove 11 of passing suspension case 1 lateral wall of passing, be equipped with in the outlet pipe 112 back and forth movement and be used for the sealed closing plate 110 of conveyer pipe 14 selectivity, be equipped with the defeated mechanism that is used for defeated groove 11 selectivity to open in the defeated groove 11 of transferring, sample bucket 2 import department is equipped with the bung hole 21 of being connected with defeated groove 11 looks block, defeated mechanism includes defeated board 114 and regulation annular 116 of transferring, be equipped with the defeated board 114 of slip and sealing connection in the defeated groove 11 of transferring, be located the defeated board 114 outside the defeated groove 11 middle part of transferring is equipped with and is annular regulation annular 116, the defeated board 114 outside is equipped with a plurality of fixed connection and with regulation annular sliding connection's slider 113 with regulation annular 116, be equipped with fixed connection in the regulation annular 116 and be used for driving defeated board 114 of transferring and support outward and lean on the sealed spring 115 of the end of transferring groove 11 of transferring. The design of the water outlet pipe 112, the transferring block 111, the transferring groove 11, the transferring mechanism and the sealing plate 110, when the distance of the water surface needing to be sampled is high, and the delivery pump 15 lift cannot convey water into the sampling barrel 2, the barrel mouth 21 of the sampling barrel 2 can be clamped with the transferring groove 11, so that the sampling barrel 2 and the suspension box 1 are integrated and float on the water surface, and then the conveying pipe 14 is sealed by the sealing plate 110, at the moment, the conveying pump 15 can directly pass through the water pipe 112 to convey the sampled water through the transferring groove 11, pass through the transferring mechanism and into the sampling barrel 2, so that the sampling barrel 2 can directly sample on the water surface, the limit of the lift can be effectively prevented, different sampling environments can be dealt with, and the device is more practical; after the bucket opening 21 is clamped with the transferring groove 11, the bucket opening 21 extrudes the transferring plate 114 to enable the transferring plate 114 to move towards the middle of the adjusting ring groove 116, at the moment, water from the water outlet pipe 112 can flow into the sampling bucket 2 through a gap between the adjusting ring groove 116 and the sliding block 113, so that automatic sampling of the sampling bucket 2 is realized, and after the bucket opening 21 is separated from the transferring groove 11, the elasticity of the restoring spring 115 can automatically drive the transferring plate 114 to move outwards, so that the transferring plate 114 moves to the end part of the adjusting ring groove 116, the transferring plate 114 seals the transferring groove 11, and automatic sealing of the transferring groove 11 is realized.

Further, the bung hole 21 is connected with the opening of the transferring groove 11 through a screw thread, and when the bung hole 21 completely enters the transferring groove 11, the bung hole 21 pushes the transferring plate 114 to the middle part of the adjusting ring groove 116, so that the water outlet pipe 112 is communicated with the sampling barrel 2.

Referring to fig. 3, the transfer plate 114 is provided with a push rod 117 connected to the transfer plate, an extending end of the push rod 117 is connected to the sealing plate 110, the inner wall of the water outlet pipe 112 is provided with a plurality of stoppers 118 for limiting the sealing plate 110 to move back and forth in contact with the inlet of the transfer pipe 14, and the sealing plate 110 is provided with a communication hole 119 communicated with the transfer pipe 14. The design of the push rod 117, the limiting block 118 and the communicating hole 119 enables the transferring plate 114 to pull the sealing plate 110 to move through the push rod 117 when the transferring plate 114 moves to the outermost side under the action of the return spring 115, so that the communicating hole 119 is communicated with the delivery pipe 14, water delivered by the delivery pump 15 is delivered to the sampling bucket 2 from the delivery pipe 14, and when the transferring plate 114 extrudes the return spring 115, the transferring plate 114 synchronously extrudes the push rod 117 to drive the sealing plate 110 to seal the delivery hole, thereby realizing the selective communication of the delivery pipe 14, and enabling the sealing plate 110 to synchronously move along with the movement of the transferring plate 114.

Further, the sampling tube 12 passes through the bottom of the suspension box 1 movably and hermetically, a second automatic winding mechanism 121 for automatically winding and contracting the sampling tube 12 is arranged in the suspension box 1, a weighting block fixedly connected and used for vertically sinking the sampling tube 12 into water is arranged at the end of the sampling tube 12, and a self-locking mechanism for locking the sampling tube 12 after the length of the sampling tube is adjusted is arranged in the automatic winding mechanism. The addition of weight, the sampling tube 12 that can be convenient for is perpendicular below the surface of water, makes sampling tube 12 can be more accurate take a sample to the different degree of depth of water surface, can also set up the scale mark at sampling tube 12 surface, can pass through the volume of scale mark extension, the accurate degree of depth of judging sampling tube 12 sample.

Further, a third automatic winding mechanism 141 for driving the conveying pipe 14 to automatically retract into the suspension box 1 is arranged in the suspension box 1.

In this embodiment, the second automatic winding mechanism 121 and the third winding mechanism are both automatic telescopic mechanisms in existing automatic telescopic recovery pipe rolling machines, which are widely used in existing life, so this application does not describe this specific mechanism too much. Specific reference links are as follows: https:// detail.1688.Com/offer/573948111996. Htmlpsm = a261b.2187593.0.0.60dc2941EsAhBI, and a self-locking mechanism can adopt the link to realize a structure that a water pipe stops when being pulled, and a clamp fixedly connected can also be arranged at the bottom of the suspension box 1, so that when the sampling pipe 12 needs to be fixed, the sampling pipe 12 can be clamped and fixed through the clamp to realize the function of self-locking.

In use, the present embodiment:

a user carries the portable box 3 through the handle ring 33, the suspension box 1 is carried to a sampling point needing sampling, when sampling is needed, the box cover 32 is separated from the portable box 3 firstly, the placing cavity 31 is in an open shape, then the suspension box 1 is taken out, the wire 13 is pulled out, the end part of the wire 13 is connected with a power interface on the suspension box 1, then the sampling tube 12 is stretched outwards to a needed length, the sampling tube 12 is locked and kept still through a self-locking mechanism, at the moment, the suspension box 1 is placed on the water surface through the conveying pipe 14, then a power supply is started, the conveying pump 15 automatically sucks water pressure at the water bottom, and the water pressure is conveyed into the sampling barrel 2 through the conveying pipe 14, so that sampling can be achieved; after sampling, the suspension box 1 is lifted to the shore through the conveying pipe 14, then the conducting wire 13 is separated from the portable box 3, the corresponding conducting wire 13, the sampling tube 12 and the conveying pipe 14 are respectively driven by the first automatic winding mechanism 131, the second automatic winding mechanism 121 and the third automatic winding mechanism 141 to be automatically wound and recovered into the suspension box 1, and after winding and recovery, the end parts of the conducting wire 13, the sampling tube 12 and the conveying pipe 14 are exposed out of the suspension box 1, so that the next pulling and taking are facilitated; then the suspension box 1 is put back into the placing cavity 31 and the box cover 32 is covered;

when the fall height is large and the conveying lift of the conveying pump 15 cannot convey the water sample at the bottom into the sampling bucket 2 on the shore, the bucket opening 21 of the sampling bucket 2 is fixedly connected with the transferring groove 11 in a threaded connection mode, so that the sampling bucket 2 and the suspension box 1 are integrated, after the bucket opening 21 completely enters the transferring groove 11, the bucket opening 21 extrudes the transferring plate 114 to move towards the middle of the adjusting ring groove 116, meanwhile, the ejector rod 117 drives the sealing plate 110 to move through the transmission of the transferring plate 114, so that the conveying plate 110 seals the conveying pipe 14, the water conveyed by the conveying pump 15 can only enter the transferring groove 11 through the water outlet pipe 112 and then enters the sampling bucket 2 through the side wall of the adjusting ring groove 116, after the sampling bucket 2 is installed, the sampling pipe 12 is pulled to a proper length, then the suspension box 1 is placed on the water surface at the bottom through the conveying pipe 14, then a power supply is started, the suspension box 1 can be placed on the water surface, the water sample can be directly conveyed into the sampling bucket 2, after sampling is completed, the sampling, the suspension box 1 can be pulled up through the conveying pipe 14, various problems that the existing suspension box can be perfectly solved, and the problems that the existing conveying pump 15 cannot be automatically solved, and the existing sampling situations can be solved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, and may be interconnected or interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The utility model discloses a control mode is through controller come automatic control, and the control circuit of controller can realize through the simple programming of technical staff in this field, and the providing of power also belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. Municipal administration sewage pipe network quality of water sampler, its characterized in that: including suspension case (1), sampling tube (12), delivery pump (15) and sampling bucket (2), suspension case (1) can float on the surface of water, delivery pump (15) set up in suspension case (1), sampling tube (12) telescopic setting is in suspension case (1) bottom, and sampling tube (12) water inlet end portion is through the water sample of the below different degree of depth of flexible regulation extraction liquid level, and sampling tube (12) drainage end and delivery pump (15) intercommunication, delivery pump (15) output is equipped with conveyer pipe (14), inner wall on suspension case (1) is passed to conveyer pipe (14) output, and conveyer pipe (14) extension end is used for controlling the removal of suspension case (1) and carries the water sample to in sampling bucket (2).

2. The municipal sewer network water sampler of claim 1, wherein: still including the portable mechanism that is convenient for suspension case (1) to carry, portable mechanism includes portable case (3), be equipped with on portable case (3) and be used for placing chamber (31) that suspension case (1) was placed, and portable case (3) upper end is equipped with can dismantle and connect and be used for placing chamber (31) sealed case lid (32), still be equipped with the battery in portable case (3), be equipped with between battery and delivery pump (15) and be connected and be used for power transmission's wire (13), can dismantle between wire (13) one end and portable case (3) and be connected, and wire (13) other end and delivery pump (15) fixed connection.

3. The municipal sewer network water sampler of claim 2, wherein: sliding connection between wire (13) and the upper inner wall of suspension case (1), be equipped with in suspension case (1) and be used for wire (13) automatic winding shrink to suspension case (1) in first automatic winding mechanism (131).

4. The municipal sewer network water sampler of claim 1, wherein: the utility model discloses a sampling device, including delivery pump (15), conveyer pump (15) output, conveyer pipe (14) tip and outlet pipe (112) lateral wall intercommunication, be equipped with fixed connection's defeated piece (111) in suspension case (1), defeated piece (111) one side is equipped with defeated groove (11) of the defeated groove of passing suspension case (1) lateral wall of transferring, but be equipped with reciprocating motion and be used for to conveyer pipe (14) selective sealing's closing plate (110) in outlet pipe (112), be equipped with in defeated groove (11) and be used for defeated groove (11) selective open the defeated mechanism of transferring, sample bucket (2) import department is equipped with bung hole (21) be connected with defeated groove (11) looks block.

5. The municipal sewer network water sampler of claim 4, wherein: defeated mechanism is including defeated board (114) and regulation annular (116) of commentaries on classics, be equipped with defeated board (114) of slip and sealing connection in defeated groove (11) of commentaries on classics, be located defeated board (114) the outside defeated the defeated groove (11) middle part of commentaries on classics is equipped with and is annular regulation annular (116), defeated board (114) the outside is equipped with a plurality of fixed connection and with regulation annular (116) sliding connection's slider (113), be equipped with fixed connection in regulation annular (116) and be used for driving defeated board (114) of commentaries on classics and outwards support at reset spring (115) that regulation annular (116) tip will defeated groove (11) seal by defeated voluntarily.

6. The municipal sewer network water sampler of claim 5, wherein: the bucket opening (21) is connected with the notch of the transferring groove (11) through threads, and when the bucket opening (21) completely enters the transferring groove (11), the bucket opening (21) pushes the transferring plate (114) to the middle part of the adjusting ring groove (116), so that the water outlet pipe (112) is communicated with the sampling bucket (2).

7. The municipal sewer network water sampler of claim 5, wherein: the water pipe is characterized in that a push rod (117) connected with the transfer plate (114) is arranged on the transfer plate, the extending end of the push rod (117) is connected with the sealing plate (110), a plurality of limiting blocks (118) used for limiting the sealing plate (110) to be attached to the inlet of the conveying pipe (14) to move back and forth are arranged on the inner wall of the water outlet pipe (112), and a communicating hole (119) communicated with the conveying pipe (14) is formed in the sealing plate (110).

8. The municipal sewer network water sampler of claim 1, wherein: the sampling tube (12) passes the bottom of the suspension box (1) movably and hermetically, a second automatic winding mechanism (121) for automatically winding and contracting the sampling tube (12) is arranged in the suspension box (1), a weighting block fixedly connected and used for vertically sinking the sampling tube (12) into water is arranged at the end part of the sampling tube (12), and a self-locking mechanism for locking the sampling tube (12) unchanged after the length of the sampling tube is adjusted is arranged in the automatic winding mechanism.

9. The municipal sewer network water sampler of claim 1, wherein: and a third automatic winding mechanism (141) for driving the conveying pipe (14) to automatically recover into the suspension box (1) is arranged in the suspension box (1).