CN113548078A

CN113548078A - Sewage suction pipe joint with dredging function for train

Info

Publication number: CN113548078A
Application number: CN202110834665.2A
Authority: CN
Inventors: 郭颂平
Original assignee: Individual
Current assignee: Shenzhen Haofeng Cleaning Service Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-10-26
Anticipated expiration: 2041-07-23
Also published as: CN113548078B

Abstract

The invention relates to the technical field of railway pollution discharge, and discloses a railway sewage suction pipe joint with a dredging function, which comprises an outer shell, a rotary cylinder and a sewage discharge inner pipe, wherein two groups of spiral grooves with the same depth are formed in the inner wall of the outer shell, the shell wall of the outer shell is thin at the bottom and thick at the top to form a circular truncated cone-shaped inner space, the bottom of the rotary cylinder extends outwards to be widened to form a rotary cylinder base, the outer shell is fixedly arranged on the rotary cylinder base through a bearing, the left side and the right side of the top of the outer wall of the sewage discharge inner pipe respectively extend upwards to form convex plates, and the outer sides of the two convex plates are respectively and fixedly provided with a clamping joint. This sewage suction pipe connects can make the blowdown inner tube along with the rotation of a rotary drum and spiral shell screwing in or descend, and the blowdown hook that has the barb in the cooperation blowdown inner tube can catch on smoothly and take away the intraductal foreign matter that blocks, need not staff direct contact filth can high efficiency mediation sewage pipes, alleviates personnel's work burden.

Description

Sewage suction pipe joint with dredging function for train

Technical Field

The invention relates to the technical field of railway pollution discharge, in particular to a sewage suction pipe joint for a train, which has a dredging function.

Background

Every day, railway transportation is always busier than ever, and behind the smooth trip there are numerous railway workers to pay by default, and at present, what high-speed railway adopted is vacuum excrement collector formula lavatory. The excrement collector firstly collects excrement into a train excrement collecting box, and excrement in a train is transferred by a sewage suction device through a sewage suction person after the train arrives at a station.

The sewage discharge port is easy to block due to the non-civilized behavior that some passengers throw foreign matters into a toilet, great inconvenience is brought to the sewage discharge work of ground personnel, and the foreign matters clamped on the sewage discharge port need to be drawn out by iron wires or even by hands, so that the sewage suction pipe joint for the train with the dredging function is provided.

Disclosure of Invention

Aiming at the defects in the existing sewage discharge process proposed in the background technology, the invention provides the sewage suction pipe joint for the train with the dredging function, which has the advantage that the blockage problem of the sewage discharge outlet of the train can be solved without removing the sewage suction pipe, and the problems proposed in the background technology are solved.

The invention provides the following technical scheme: a sewage suction pipe joint for a train with a dredging function comprises an outer shell, a rotary cylinder and a sewage discharge inner pipe, wherein two groups of spiral grooves with the same depth are formed in the inner wall of the outer shell, the shell wall of the outer shell is thin at the bottom and thick at the top to form a circular truncated cone-shaped inner space, the bottom of the rotary cylinder extends outwards to widen to form a rotary cylinder base, the outer shell is fixedly installed on the rotary cylinder base through a bearing, protruding plates extend upwards from the left side and the right side of the top of the outer wall of the sewage discharge inner pipe respectively, clamping joints are fixedly installed on the outer sides of the two protruding plates respectively, the two groups of clamping joints penetrate through L-shaped chutes formed in the cylinder wall of the rotary cylinder and are movably clamped in the spiral grooves in the outer shell, sewage discharge hooks are fixedly installed on the tops of the protruding plates of the two groups of clamping joints respectively, and a sewage discharge hose is fixedly installed at the bottom of the sewage discharge inner pipe, the inside of blowdown inner tube is equipped with flexible seal membrane, flexible seal membrane is upper and lower open-ended tubular structure, the upper end of flexible seal membrane and the inner wall fixed connection of shell body, the lower extreme with the blowdown hook surround including and with the top fixed connection of blowdown inner tube, its inner wall and the blowdown inner tube of connecting the shell body form sealed pipeline.

Preferably, the tail end of the horizontal part of the sliding groove at the wall of the rotary drum is provided with a limiting bulge.

Preferably, the centripetal side of the top of the sewage draining hook is provided with a barb.

Preferably, a cam quick locking mechanism is fixedly mounted at the top of the outer shell.

The invention has the following beneficial effects:

1. the invention adopts the structural design that the rotary cylinder is rotated outside to lead the internal sewage hook to spirally rise, can lead the working personnel to dredge the sewage pipeline without directly contacting the sewage, is more humanized and reduces the working load.

2. The invention limits the clamping head through the spiral groove at the outer shell and the chute at the rotary cylinder, so that the sewage discharge inner pipe and the sewage discharge hook can spirally rise or fall along with the rotation of the rotary cylinder, the structure that the lower part of the outer shell is thin and the upper part of the outer shell is thick can apply centripetal pressure to the clamping head and the sewage discharge hook fixed with the clamping head when the sewage discharge inner pipe spirally rises to enable the sewage discharge hook to generate inward inclined deformation, thereby not only ensuring that the sewage discharge hook can enter a narrower train sewage discharge pipeline, but also increasing radial pressure to a blockage when the sewage discharge inner pipe drives the sewage discharge hook to spirally rise, being more beneficial to the sewage discharge hook to take sewage, further improving the treatment efficiency, and the design of the L-shaped chute of the rotary cylinder wall not only plays a role of pushing the sewage discharge inner pipe to rise and fall, but also can lock the sewage discharge inner pipe at the bottom, and prevent the hook from probing out and hurting people due to mistaken touch when the sewage discharge inner pipe is not used, the reliability is improved.

3. According to the invention, the flexible sealing film is arranged, so that a sealing environment is created for the interior of the pipeline, the normal operation of dirt suction is ensured, the overflow of dirt in the pipeline is prevented, and the smoothness of the clamping joint at the chute of the rotary cylinder and the spiral groove is ensured.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is a schematic cross-sectional view of the outer housing;

FIG. 3 is a schematic cross-sectional view of the rotary drum;

FIG. 4 is a schematic cross-sectional view of the inner sewage pipe;

fig. 5 is a schematic perspective view of the rotary drum after rotation.

In the figure: 1. an outer housing; 101. a helical groove; 2. a rotary drum; 201. a rotating drum base; 202. a limiting bulge; 3. a blowdown inner pipe; 301. a clamping head; 302. a sewage draining hook; 303. a sewage draining hose; 4. a flexible sealing membrane; 5. cam quick locking mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, a sewage suction pipe joint for a train with a dredging function comprises an outer shell 1, a rotary cylinder 2 and a sewage discharge inner pipe 3, wherein two sets of spiral grooves 101 with the same depth are formed on the inner wall of the outer shell 1, the shell wall of the outer shell 1 is thin at the bottom and thick at the top to form a circular truncated cone-shaped inner space, the bottom of the rotary cylinder 2 extends outwards to form a rotary cylinder base 201, the outer shell 1 is fixedly installed on the rotary cylinder base 201 through a bearing, the left side and the right side of the top of the outer wall of the sewage discharge inner pipe 3 are respectively provided with a convex plate in an upward extending manner, the outer sides of the two convex plates are respectively fixedly provided with a clamping joint 301, the two sets of clamping joints 301 respectively penetrate through an L-shaped chute formed in the cylinder wall of the rotary cylinder 2 and are movably clamped in the spiral grooves 101 at the outer shell 1, the tops of the convex plates fixedly installed with the two sets of clamping joints 301 are respectively and fixedly provided with a sewage discharge hook 302, the bottom of the sewage discharge inner pipe 3 is fixedly provided with a sewage discharge hose 303, inside of blowdown inner tube 3 is equipped with flexible seal membrane 4, flexible seal membrane 4 is upper and lower open-ended tubular structure, the upper end and the 1 inner wall fixed connection of shell body of flexible seal membrane 4, including the lower extreme surrounds blowdown hook 302 and with the top fixed connection of blowdown inner tube 3, the inner wall and the blowdown inner tube 3 formation sealed pipeline of shell body 1 are connected to flexible seal membrane 4, through setting up flexible seal membrane 4, for the inside sealed environment that has made of pipeline, the normal clear of dirt suction work has been guaranteed, and prevent that intraductal filth from spilling over, guaranteed joint 301 in the spout department of rotatory section of thick bamboo 2 and helicla flute 101 department unobstructed.

Wherein, L shape spout on 2 section of thick bamboo walls of rotatory section of thick bamboo has played limiting displacement to joint 301, vertical portion closes 1 inner wall department helicla flute 101 of shell body in the spout, can make blowdown inner tube 3 along with the rotation of rotatory section of thick bamboo 2 and spiral shell, cooperation blowdown hook 302 colludes the foreign matter that is blocking in the pipe, and simultaneously, shell body 1 is thin thick-up's structure setting can be when 3 spirals of blowdown inner tube, exert centripetal pressure to joint 301, make the blowdown hook 302 with joint 301 fixed connection constantly intraductal slope in the in-process of rising, not only guaranteed that blowdown hook 302 can get into narrower train blowdown pipeline and can drive blowdown hook 302 spiral shell screwing in blowdown inner tube 3 and increase radial pressure to the jam, do benefit to blowdown hook 302 hook more and get the filth, thereby further improve the cleaning efficiency.

Further, the end of the horizontal part of the sliding groove at the wall of the rotary cylinder 2 is provided with a limiting protrusion 202, and the clamping head 301 can be locked into the sliding groove by arranging the limiting protrusion 202 and matching with the horizontal part of the sliding groove at the wall of the rotary cylinder 2, so that the pollution discharge hook 302 is prevented from sliding out to hurt people when the joint is not used, and the safety of the device is further ensured.

Further, the top centripetal side of blowdown hook 302 is equipped with the barb, makes blowdown hook 302 can catch on the foreign matter smoothly when driving away intraductal foreign matter to the foreign matter can follow blowdown hook 302 slippage smoothly along with the pipeline suction direction after the pipeline resumes smoothly, does not hinder clearance on next step.

Further, the top fixed mounting of shell body 1 has the quick locking mechanism 5 of cam, can fix the sewage suction pipe rapidly when the clearance of arriving at the station, forms airtight sewage pipes, convenient and fast.

The use method (working principle) of the invention is as follows:

after the train arrives at a station, the train blow-off pipe and the sewage suction pipeline are quickly fixed by using the cam locking mechanism 5 at the pipe head, at the moment, the flexible sealing film 4 provides a closed suction environment for the interior of the pipeline, the vacuum suction device is opened to start sewage suction operation, when the interior of the train blow-off pipe is blocked by foreign matters, the suction device is closed, the rotary cylinder base 201 is held by a hand to rotate the rotary cylinder 2 anticlockwise, the clamping head 301 crosses the limiting bulge 202 at the chute to enter the vertical part of the L-shaped chute, at the moment, the chute and the spiral groove 101 at the outer shell 1 jointly form a limiting mechanism, the clamping head 301 can be continuously pushed to spirally rise in the spiral groove 101 by rotating the rotary cylinder 2, the sewage discharge hook 302 also spirally rises, meanwhile, due to the structural arrangement of the thin upper part of the outer shell 1, the clamping head 301 continuously receives centripetal pressure when the spiral rising of the sewage discharge inner pipe 3, so that the sewage discharge hook 302 inclines inwards, get into narrower train sewage pipes to increase radial pressure to the plug when blowdown hook 302 spiral shell screwing in rises, do benefit to blowdown hook 302 hook more and get the filth, make a round trip to rotate a few with rotatory section of thick bamboo 2, hook out comparatively narrow train sewage pipes with the filth, get into some wide outside soil pick-up pipes, then open suction device once more and can continue blowdown work.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a railway is with soil pick-up coupling with mediation function, includes shell body (1), rotatory section of thick bamboo (2) and blowdown inner tube (3), its characterized in that: the inner wall of the outer shell (1) is provided with two groups of spiral grooves (101) with the same depth, the wall of the outer shell (1) is thin at the bottom and thick at the top to form a circular truncated cone-shaped inner space, the bottom of the rotary cylinder (2) extends outwards to form a rotary cylinder base (201), the outer shell (1) is fixedly arranged on the rotary cylinder base (201) through a bearing, the left side and the right side of the top of the outer wall of the sewage discharging inner tube (3) respectively extend upwards to form convex plates, the outer sides of the two convex plates are respectively and fixedly provided with clamping joints (301), the two groups of clamping joints (301) respectively penetrate through L-shaped chutes arranged at the cylinder wall of the rotary cylinder (2) and are movably clamped in the spiral grooves (101) at the outer shell (1), the tops of the convex plates of the two groups of clamping joints (301) are respectively and fixedly provided with sewage discharging hooks (302), and the bottom of the sewage discharging inner tube (3) is fixedly provided with a sewage discharging hose (303), the inside of blowdown inner tube (3) is equipped with flexible seal membrane (4), flexible seal membrane (4) are upper and lower open-ended tubular structure, the upper end of flexible seal membrane (4) and the inner wall fixed connection of shell body (1), the lower extreme with blowdown hook (302) surround including and with the top fixed connection of blowdown inner tube (3), its inner wall and the blowdown inner tube (3) of connecting shell body (1) form sealed pipeline.

2. The railway sewage suction pipe joint with the dredging function as claimed in claim 1, wherein: the tail end of the horizontal part of the sliding groove at the wall of the rotary drum (2) is provided with a limiting bulge (202).

3. The railway sewage suction pipe joint with the dredging function as claimed in claim 1, wherein: the top centripetal side of the sewage draining hook (302) is provided with a barb.

4. The railway sewage suction pipe joint with the dredging function as claimed in claim 1, wherein: the top of the outer shell (1) is fixedly provided with a cam quick locking mechanism (5).