Rain cap for municipal steam direct buried pipeline

Abstract

The application discloses a rain cap for municipal steam direct-buried pipelines, and particularly relates to the technical field of municipal engineering, which comprises an installation inner pipe, a lifting outer pipe movably sleeved on the outer side of the installation inner pipe, a steam exhaust pipe fixedly installed at the top end of the lifting outer pipe, an isolation mechanism arranged in the steam exhaust pipe, an outer cap frame fixedly installed at the top end of the steam exhaust pipe, a connecting pipe fixedly installed at the top end of the outer cap frame, a liquid buffering hopper frame fixedly installed at the top end of the connecting pipe, an installation seat fixedly sleeved on the bottom of the outer side of the lifting outer pipe, and a floating plate fixedly installed at the bottom end of the installation seat. The rain cap is provided with an isolation mechanism, which is used in cooperation with an outer cap frame, an inner cap frame, a connecting pipe, a pressure gathering hopper frame and a liquid buffering hopper frame, so that the plurality of steam exhaust outer grooves on the steam exhaust pipe are indirectly isolated, external impurities are prevented from entering the steam exhaust pipe through the plurality of steam exhaust outer grooves to cause the steam direct-buried pipeline to be blocked, and the steam exhaust is not affected.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of municipal engineering, in particular to a rain cover for municipal steam direct-buried pipeline. BACKGROUND

[0002] With the vigorous promotion of combined heat and power in recent years, steel jacketed steel prefabricated direct-buried heat preservation steam pipeline has been more and more widely used in heat network pipeline. However, as a direct-buried heat preservation ground steam pipeline, the rain cover used for rain and water leakage prevention has not been paid attention to. The existing rain cover is generally a steel ring plate covering the ground end of the steam pipeline, the outer edge of the ring plate is bent downward, a hole is opened in the middle, and then the rain cover is sleeved on the working pipe in the insulation layer. Due to the hole in the middle, foreign matter can easily enter the steam direct-buried pipeline through the hole, causing blockage of the steam direct-buried pipeline, thereby affecting the normal use of the steam direct-buried pipeline. Therefore, we propose a rain cover for municipal steam direct-buried pipeline to solve the above problems. SUMMARY

[0003] The present application aims to provide a rain cover for municipal steam direct-buried pipeline to solve the problems raised in the background.

[0004] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a rain cover for municipal steam direct-buried pipeline, comprising an installation inner pipe, an outer side of the installation inner pipe movably sleeved with a lifting outer pipe, a top end of the lifting outer pipe fixedly installed with a steam exhaust pipe, the steam exhaust pipe provided with a separation mechanism, the top end of the steam exhaust pipe fixedly installed with an outer hat frame, the top end of the outer hat frame fixedly installed with a connecting pipe, the top end of the connecting pipe fixedly installed with a liquid buffer hopper frame, the outer side of the lifting outer pipe fixedly sleeved with an installation seat at the bottom, and the bottom of the installation seat fixedly installed with a floating plate through bolts.

[0005] Preferably, the outer side of the installation inner pipe is integrally formed with a sliding convex at the top, the inner side of the lifting outer pipe is provided with a sliding groove corresponding to the sliding convex, the sliding convex is slidingly connected in the corresponding sliding groove, and the outer wall of the installation inner pipe and the inner wall of the lifting outer pipe are in contact.

[0006] Preferably, the middle part of the exhaust pipe is provided with an exhaust outer groove, the exhaust outer groove is provided with a plurality of annular array distribution, the isolation mechanism comprises an isolation inner tube, the isolation inner tube is movably connected in the exhaust pipe, the outer wall top of the isolation inner tube is fixedly installed with two symmetrically distributed arc-shaped clamping blocks, the inner wall top of the exhaust pipe is provided with an arc-shaped clamping groove corresponding to the arc-shaped clamping block, the arc-shaped clamping groove is provided with two symmetrically distributed arc-shaped clamping grooves, the arc-shaped clamping block is slidably connected in the middle part of the corresponding arc-shaped clamping groove, the arc-shaped spring is fixedly installed between the arc-shaped clamping block and the two side inner walls of the corresponding arc-shaped clamping groove, the isolation inner tube is provided with an exhaust inner groove matched with the exhaust outer groove, the exhaust inner groove is provided with a plurality of exhaust outer grooves corresponding to the exhaust outer groove, the isolation inner tube is provided with a plurality of isolation screen groove groups corresponding to the exhaust outer groove, the isolation screen groove group is located between the adjacent two exhaust inner grooves, and the inner side top of the isolation inner tube is fixedly installed with a mounting bracket.

[0007] Preferably, the inner cap frame is integrally formed in the outer cap frame, the inner side of the outer cap frame and the outer side of the inner cap frame form a liquid storage cavity, the bottom of the liquid storage cavity is a closed structure, and the top of the liquid storage cavity is communicated with the bottom of the connecting pipe.

[0008] Preferably, the top of the outer cap frame is fixedly provided with a liquid discharge frame, a plurality of liquid discharge perforations are arranged in the annular array on the liquid discharge frame, the bottom end of the outer cap frame is fixedly provided with a liquid discharge pipe, the top of the liquid discharge pipe is communicated with the liquid storage cavity, and the bottom of the liquid discharge pipe is threadedly installed with a cover.

[0009] Preferably, the connecting pipe is fixedly installed with a pressure collecting hopper frame in the middle part, the top of the pressure collecting hopper frame is larger in size than the bottom of the pressure collecting hopper frame, and the top end and the bottom end of the pressure collecting hopper frame are open structures.

[0010] Preferably, the isolation mechanism further comprises a sealing rotating member, the sealing rotating member is fixedly connected to the middle part of the top end of the inner cap frame, the middle part of the sealing rotating member is provided with a first auxiliary shaft, the bottom end of the first auxiliary shaft is fixedly installed with the top end of the mounting bracket, the top of the first auxiliary shaft penetrates through the inner cap frame, the top of the first auxiliary shaft extends into the pressure collecting hopper frame, the top end of the first auxiliary shaft is fixedly installed with a second auxiliary shaft, the outer side of the second auxiliary shaft is fixedly provided with a liquid guide impeller, and the liquid guide impeller is located at the bottom of the pressure collecting hopper frame.

[0011] Preferably, the top end of the liquid buffering hopper frame is provided with a limiting ring, the middle part of the limiting ring is fixedly installed with a filter frame, the filter frame is movably connected to the top end of the liquid buffering hopper frame, the filter frame is in a bowl-shaped structure, and the outer side of the limiting ring is fixedly installed with a protruding block.

[0012] Preferably, the top end of the second auxiliary shaft is fixedly installed with a third auxiliary shaft, the top of the third auxiliary shaft is movably penetrated through the middle of the filter frame, and the top of the third auxiliary shaft is fixedly installed with a fan blade.

[0013] Preferably, the inner side bottom of the installation inner tube is threadedly installed with a sealing outer frame, a sealing inner frame is fixedly clamped in the sealing outer frame, a sealing through slot is formed in the middle of the sealing inner frame, the top of the sealing through slot is smaller in size than the bottom of the sealing through slot, a plurality of positioning seats arranged in an annular array are integrally formed on the outer side bottom of the installation inner tube, positioning bolts are threadedly inserted into the middle of the positioning seats, the opposite sides of the plurality of positioning bolts are extended into the installation inner tube, and anti-skid pads are fixedly clamped on the opposite ends of the plurality of positioning bolts.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] 1. By setting the isolation mechanism, the outer hat frame, the inner hat frame, the connecting pipe, the pressure accumulation bucket frame and the liquid buffering bucket frame are used in cooperation to indirectly isolate the plurality of steam exhaust outer grooves on the steam exhaust pipe, prevent external impurities from entering the steam exhaust pipe through the plurality of steam exhaust outer grooves to cause blockage of the steam direct-buried pipeline, and do not affect the steam discharge.

[0016] 2. By setting the lifting outer pipe and the installation inner tube, the floating plate is used in cooperation, when the rainfall is large, the rainwater gathered around the rain hat will lift the floating plate, drive the installation seat to move upwards, and drive the lifting outer pipe to slide upwards outside the installation inner tube, at this time, the steam exhaust pipe rises and is always higher than the upper surface of the rainwater, thereby preventing the rainwater from entering the steam direct-buried pipeline through the steam exhaust pipe when it rains.

[0017] 3. By setting the outer hat frame, the inner hat frame, the connecting pipe, the pressure accumulation bucket frame and the liquid buffering bucket frame, the rainwater will be impurity filtered through the filter frame and buffered in the liquid buffering bucket frame, then enter the pressure accumulation bucket frame in the connecting pipe, flow from the top of the pressure accumulation bucket frame to the bottom of the pressure accumulation bucket frame, the rainwater flow rate increases, then flow from the bottom of the pressure accumulation bucket frame into the liquid storage cavity for storage, so that the stored rainwater can isolate the temperature of the outer hat frame and the inner hat frame when it does not rain, preventing the outer hat frame and the inner hat frame from being damaged. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 The present application is a structural schematic diagram,

[0020] Figure 2 For the structure connection diagram of the application after splitting,

[0021] Figure 3 For the structure connection diagram of the steam exhaust pipe and the isolation mechanism in the application,

[0022] Figure 4 For the structure connection diagram of the steam exhaust pipe, the isolation mechanism, the outer cap frame, the connecting pipe and the liquid buffer frame in the application,

[0023] Figure 5 For the structure connection diagram of the application Figure 4 A zoomed-in view of A,

[0024] Figure 6 For the structure connection diagram of the application Figure 4 A zoomed-in view of B,

[0025] Figure 7 For the structure connection diagram of the installation of the inner pipe and the lifting outer pipe in the application,

[0026] Figure 8 For the structure connection diagram of the inner part of the installation of the inner pipe in the application.

[0027] In the figure: 1, installation inner pipe; 2, lifting outer pipe; 3, steam exhaust pipe; 4, isolation mechanism; 5, outer cap frame; 6, connecting pipe; 7, liquid buffer frame; 8, mounting seat; 9, floating plate; 11, sliding convex; 21, sliding groove; 31, steam exhaust outer groove; 301, arc-shaped clamping groove; 41, isolation inner pipe; 42, arc-shaped clamping block; 43, arc-shaped spring; 411, steam exhaust inner groove; 412, isolation sieve groove group; 44, mounting frame; 45, sealing rotating part; 46, first auxiliary shaft; 47, second auxiliary shaft; 471, liquid guide impeller; 48, third auxiliary shaft; 49, fan blade; 51, inner cap frame; 511, liquid storage cavity; 52, liquid discharge frame; 521, liquid discharge perforation; 53, liquid discharge pipe; 531, cover; 61, pressure accumulation hopper frame; 71, limiting ring; 72, filter frame; 73, protruding block; 10, sealing outer frame; 101, sealing inner frame; 102, sealing through groove; 103, positioning seat; 104, positioning bolt; 105, anti-skid pad. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0029] Embodiment: as Figures 1-8As shown, the present application provides a rain hat for municipal steam direct buried pipeline, which comprises an installation inner tube 1, the outer side of the installation inner tube 1 movably sheaths a lifting outer tube 2, the outer side top of the installation inner tube 1 is integrally formed with a slide convex 11, the inner side of the lifting outer tube 2 is provided with a slide groove 21 corresponding to the slide convex 11, the slide convex 11 is slidably connected in the corresponding slide groove 21, the outer wall of the installation inner tube 1 is in contact with the inner wall of the lifting outer tube 2, by setting the lifting outer tube 2 on the outer side of the installation inner tube 1, cooperating with the slide convex 11, the slide groove 21, the slide convex 11 is slidably connected in the corresponding slide groove 21, the lifting outer tube 2 can slide and lift on the outer side of the installation inner tube 1, and the outer wall of the installation inner tube 1 is always in contact with the inner wall of the lifting outer tube 2;

[0030] The top end of the lifting outer tube 2 is fixedly installed with a steam discharge pipe 3, the steam discharge pipe 3 is used for discharging steam, the steam discharge pipe 3 is provided with a separation mechanism 4, the top end of the steam discharge pipe 3 is fixedly installed with an outer hat frame 5, the outer hat frame 5 protects the space above the steam discharge pipe 3, preventing rainwater from entering the steam direct buried pipeline through the steam discharge pipe 3 when it rains, the top end of the outer hat frame 5 is fixedly installed with a connecting pipe 6, the top end of the connecting pipe 6 is fixedly installed with a liquid buffer hopper frame 7, the outer side bottom of the lifting outer tube 2 is fixedly sheathed with a mounting seat 8, the bottom end of the mounting seat 8 is fixedly installed with a floating plate 9 through bolts, by setting the mounting seat 8, the floating plate 9 is fixedly installed at the bottom end of the mounting seat 8 through bolts, when the rainfall is large, the rainwater gathered around the whole rain hat will lift the floating plate 9, drive the mounting seat 8 to move upwards, thereby driving the lifting outer tube 2 to slide and lift on the outer side of the installation inner tube 1, at this time, the steam discharge pipe 3 rises, is always higher than the upper surface of the rainwater, thereby preventing rainwater from entering the steam direct buried pipeline through the steam discharge pipe 3 when it rains.

[0031] The middle part of the steam discharge pipe 3 is provided with a steam discharge outer groove 31, the steam discharge outer groove 31 is provided with a plurality of annular array distribution, by setting a plurality of steam discharge outer grooves 31, the steam discharged from the steam direct buried pipeline can be discharged through the plurality of steam discharge outer grooves 31 on the steam discharge pipe 3;

[0032] The isolation mechanism 4 comprises an isolation inner tube 41 movably clamped in the exhaust pipe 3, the isolation inner tube 41 can move in the exhaust pipe 3, the outer wall top of the isolation inner tube 41 is fixedly installed with two symmetrically distributed arc-shaped clamping blocks 42, the inner wall top of the exhaust pipe 3 is provided with arc-shaped clamping grooves 301 corresponding to the arc-shaped clamping blocks 42, the arc-shaped clamping grooves 301 are symmetrically distributed, the arc-shaped clamping blocks 42 are slidably clamped in the middle of the corresponding arc-shaped clamping grooves 301, by providing two arc-shaped clamping blocks 42, cooperating with the arc-shaped clamping grooves 301, the arc-shaped clamping blocks 42 are slidably clamped in the middle of the corresponding arc-shaped clamping grooves 301, so that the isolation inner tube 41 can stably rotate in the exhaust pipe 3, the arc-shaped springs 43 are fixedly installed between the arc-shaped clamping blocks 42 and the inner walls on both sides of the corresponding arc-shaped clamping grooves 301, when the isolation inner tube 41 stably rotates in the exhaust pipe 3, the arc-shaped clamping blocks 42 slide in the corresponding arc-shaped clamping grooves 301, and the corresponding arc-shaped springs 43 are extruded and stretched, a plurality of exhaust inner grooves 411 corresponding to the exhaust outer grooves 31 are formed in the isolation inner tube 41, when the isolation inner tube 41 stably rotates in the exhaust pipe 3, the exhaust inner grooves 411 rotate and correspond to the positions of the exhaust inner grooves 411, at this time, the steam discharged from the steam direct-buried pipeline can be discharged in large quantities through the exhaust inner grooves 411 and the plurality of exhaust outer grooves 31 on the exhaust pipe 3, then the arc-shaped springs 43 reset to drive the isolation inner tube 41 to stably reverse rotate in the exhaust pipe 3, the exhaust inner grooves 411 reverse rotate and do not correspond to the positions of the exhaust inner grooves 411, a plurality of isolation screen groove groups 412 corresponding to the exhaust outer grooves 31 are formed in the isolation inner tube 41, the isolation screen groove groups 412 are located between adjacent two exhaust inner grooves 411, in the initial state, the isolation screen groove groups 412 correspond to the positions of the plurality of exhaust outer grooves 31 on the exhaust pipe 3, at this time, the isolation inner tube 41 can isolate the plurality of exhaust outer grooves 31 on the exhaust pipe 3, which can effectively prevent external impurities from entering the exhaust pipe 3 through the plurality of exhaust outer grooves 31 to cause blockage of the steam direct-buried pipeline, thereby improving the use effect of the steam direct-buried pipeline, and at this time, the steam discharged from the steam direct-buried pipeline can be discharged in small quantities through the isolation screen groove groups 412 and the plurality of exhaust outer grooves 31 on the exhaust pipe 3, an installation frame 44 is fixedly installed on the inner side top of the isolation inner tube 41.

[0033] The inner hat frame 51 is integrally formed in the outer hat frame 5, the inner side of the outer hat frame 5 and the outer side of the inner hat frame 51 form a liquid storage cavity 511, the bottom of the liquid storage cavity 511 is a closed structure, the top of the liquid storage cavity 511 is communicated with the bottom of the connecting pipe 6; the poly pressure hopper frame 61 is fixedly installed in the middle of the connecting pipe 6, the top of the poly pressure hopper frame 61 is larger in size than the bottom of the poly pressure hopper frame 61, and the top end and the bottom end of the poly pressure hopper frame 61 are open structures.

[0034] The top end of the buffer tank frame 7 is provided with a limiting ring 71, and the middle part of the limiting ring 71 is fixedly installed with a filter frame 72. The filter frame 72 is movably connected to the top end of the buffer tank frame 7, and the limiting ring 71 limits the filter frame 72 to prevent the filter frame 72 from being separated from the buffer tank frame 7. The filter frame 72 has a bowl-shaped structure, and the outer side of the limiting ring 71 is fixedly installed with a protrusion 73. By arranging the protrusion 73, the filter frame 72 can be manually separated from the buffer tank frame 7 for cleaning. When it rains, the rainwater will pass through the filter frame 72 to filter out impurities and enter the buffer tank frame 7 for storage. Then, the rainwater flows into the storage cavity 511 through the top of the pressure collecting tank frame 61 and then flows into the bottom of the pressure collecting tank frame 61. The flow rate of the rainwater increases, and then the rainwater flows into the storage cavity 511 through the bottom of the pressure collecting tank frame 61 for storage. When it does not rain subsequently, the stored rainwater can isolate the temperature of the outer hat frame 5 and the inner hat frame 51 to prevent damage to the outer hat frame 5 and the inner hat frame 51.

[0035] The top of the outer hat frame 5 is fixedly provided with a drainage frame 52, and a plurality of drainage perforations 521 are arranged in an annular array on the drainage frame 52. When a certain amount of rainwater is stored in the storage cavity 511, it will be discharged through the plurality of drainage perforations 521, flow out along the outer surface of the outer hat frame 5, and prevent rainwater from entering the steam exhaust pipe 3 through the plurality of steam exhaust grooves 31 to cause damage to the steam direct-buried pipe. The bottom end of the outer hat frame 5 is fixedly provided with a drainage pipe 53, and the top of the drainage pipe 53 is in communication with the storage cavity 511. The bottom of the drainage pipe 53 is threadedly installed with a cover 531. When it is necessary to discharge the rainwater in the storage cavity 511, the cover 531 is opened, and then a certain amount of rainwater stored in the storage cavity 511 will be discharged through the drainage pipe 53.

[0036] The isolation mechanism 4 further comprises a sealing rotating member 45, which is fixedly connected to the middle part of the top end of the inner hat frame 51. The middle part of the sealing rotating member 45 is provided with a first auxiliary shaft 46. By arranging the sealing rotating member 45, the first auxiliary shaft 46 can be sealingly rotated in the middle part of the top end of the inner hat frame 51. The bottom end of the first auxiliary shaft 46 is fixedly installed with the top end of the mounting frame 44. By driving the first auxiliary shaft 46 to rotate, the mounting frame 44 can be driven to rotate, thereby driving the isolation inner pipe 41 to stably rotate in the steam exhaust pipe 3. The top of the first auxiliary shaft 46 penetrates the inner hat frame 51, and the top of the first auxiliary shaft 46 extends into the pressure collecting tank frame 61. The top end of the first auxiliary shaft 46 is fixedly installed with a second auxiliary shaft 47. The outer side of the second auxiliary shaft 47 is fixedly sleeved with a liquid guide impeller 471, which is located at the bottom of the pressure collecting tank frame 61. The rainwater entering the bottom of the pressure collecting tank frame 61 has an increased flow rate, which drives the liquid guide impeller 471 to rotate, thereby driving the second auxiliary shaft 47 to rotate, and thereby driving the first auxiliary shaft 46 to sealingly rotate in the middle part of the top end of the inner hat frame 51.

[0037] The top end of the second auxiliary shaft 47 is fixedly installed with a third auxiliary shaft 48, the top of the third auxiliary shaft 48 is movably penetrated through the middle of the filter frame 72, and the top of the third auxiliary shaft 48 is fixedly installed with a fan blade 49. When it does not rain, the external wind body blows the fan blade 49 to rotate, thereby driving the second auxiliary shaft 47 to rotate, thereby driving the first auxiliary shaft 46 to seal and rotate in the middle of the top end of the inner hat frame 51.

[0038] The inner side bottom of the installation inner tube 1 is threadedly installed with a sealing outer frame 10, and the sealing inner frame 101 is fixedly clamped in the sealing outer frame 10. By arranging the sealing outer frame 10, the sealing outer frame 10 is threadedly installed on the inner side bottom of the installation inner tube 1, so that the sealing outer frame 10 is convenient to disassemble, and the sealing inner frame 101 is convenient to disassemble, replace and overhaul. A sealing slot 102 is formed in the middle of the sealing inner frame 101. The top size of the sealing slot 102 is smaller than the bottom size of the sealing slot 102. In use, the entire rain hat is sleeved on the port of the steam direct-buried pipeline through the installation inner tube 1. At this time, the port of the steam direct-buried pipeline is gradually clamped in the sealing slot 102. Because the top size of the sealing slot 102 is smaller than the bottom size of the sealing slot 102, the steam direct-buried pipeline port of different sizes can be sealed. The sealing inner frame 101 is used to seal between the installation inner tube 1 and the steam direct-buried pipeline port, so as to prevent steam from leaking through the connection between the installation inner tube 1 and the steam direct-buried pipeline port. The outer side bottom of the installation inner tube 1 is integrally formed with a plurality of positioning seats 103 arranged in an annular array. The positioning bolts 104 are threadedly inserted into the middle of the positioning seat 103. The opposite sides of the plurality of positioning bolts 104 extend into the installation inner tube 1. The opposite ends of the plurality of positioning bolts 104 are fixedly clamped with anti-skid pads 105. After the installation inner tube 1 and the steam direct-buried pipeline port are sealed and connected, the plurality of positioning bolts 104 are screwed, and the plurality of anti-skid pads 105 move towards each other until the anti-skid pads 105 contact the steam direct-buried pipeline port, thereby positioning the installation inner tube 1 and the steam direct-buried pipeline port, and improving the installation stability of the rain hat and the steam direct-buried pipeline port of different sizes.

[0039] Working principle: when in use, the entire rain cap is sleeved on the port of the steam direct buried pipeline through the installation inner tube 1, at this time, the port of the steam direct buried pipeline is gradually clamped in the sealing through slot 102, because the top size of the sealing through slot 102 is smaller than the bottom size of the sealing through slot 102, it can be adapted to the sealing of the steam direct buried pipeline port with different size apertures, the sealing between the installation inner tube 1 and the steam direct buried pipeline port is carried out through the sealing inner frame 101, so as to prevent steam from leaking through the connection between the installation inner tube 1 and the steam direct buried pipeline port, when the installation inner tube 1 and the steam direct buried pipeline port are sealed and connected, the multiple positioning bolts 104 are screwed, the multiple anti-skid pads 105 move towards each other until the anti-skid pads 105 contact the steam direct buried pipeline port, the positioning between the installation inner tube 1 and the steam direct buried pipeline port is carried out, and the installation stability of the rain cap and the steam direct buried pipeline port with different size apertures is improved;

[0040] Subsequently, the entire rain cap is used, when it rains, the rainwater will be impurity filtered through the filter frame 72 and enter the buffer hopper frame 7 for buffering, then enter the pressure accumulation hopper frame 61 in the connecting pipe 6, flow from the top of the pressure accumulation hopper frame 61 to the bottom of the pressure accumulation hopper frame 61, the rainwater flow rate increases, then flow through the bottom of the pressure accumulation hopper frame 61 into the liquid storage cavity 511 for storage, so that the stored rainwater can isolate the temperature of the outer cap frame 5 and the inner cap frame 51 in the subsequent non-rainy days, preventing the outer cap frame 5 and the inner cap frame 51 from being damaged, when a certain amount of rainwater is stored in the liquid storage cavity 511, it will be discharged through the multiple liquid discharge perforations 521, flow out along the outer surface of the outer cap frame 5, and prevent rainwater from entering the steam exhaust pipe 3 through the multiple steam exhaust outer grooves 31 to cause damage to the steam direct buried pipeline;

[0041] The rainwater entering the bottom of the gathering hopper frame 61 increases the flow rate, drives the liquid guide impeller 471 to rotate, thereby driving the second auxiliary shaft 47 to rotate, thereby driving the first auxiliary shaft 46 to rotate sealingly in the middle of the top end of the inner cap frame 51, driving the mounting bracket 44 to rotate, thereby driving the isolation inner tube 41 to rotate stably in the exhaust pipe 3, the arc-shaped clamping block 42 slides in the corresponding arc-shaped clamping groove 301, extrudes and stretches the corresponding arc-shaped spring 43, the exhaust inner groove 411 rotates, and the exhaust inner groove 411 is positionally corresponding, at this time, the steam discharged in the steam direct-buried pipeline can be discharged in large quantities through the exhaust inner groove 411 and the multiple exhaust outer grooves 31 on the exhaust pipe 3, then the arc-shaped spring 43 resets, drives the isolation inner tube 41 to rotate stably in the exhaust pipe 3 in the opposite direction, the exhaust inner groove 411 rotates in the opposite direction, and the exhaust inner groove 411 is positionally not corresponding, at this time, the isolation sieve groove group 412 and the multiple exhaust outer grooves 31 on the exhaust pipe 3 are positionally corresponding, the isolation inner tube 41 can isolate the multiple exhaust outer grooves 31 on the exhaust pipe 3, and at this time, the steam discharged in the steam direct-buried pipeline can be discharged in small quantities through the isolation sieve groove group 412 and the multiple exhaust outer grooves 31 on the exhaust pipe 3, thereby indirectly isolating the multiple exhaust outer grooves 31 on the exhaust pipe 3, preventing external impurities from entering the exhaust pipe 3 through the multiple exhaust outer grooves 31 to cause blockage of the steam direct-buried pipeline, and not affecting the discharge of steam;

[0042] When the rainfall is large, the rainwater gathered around the entire rain cap will lift the floating plate 9, drive the mounting seat 8 to move upwards, thereby driving the lifting outer pipe 2 to slide upwards outside the mounting inner pipe 1, at this time, the exhaust pipe 3 rises and is always higher than the upper surface of the rainwater, thereby preventing rainwater from entering the steam direct-buried pipeline through the exhaust pipe 3 when it rains;

[0043] When it does not rain, the external wind body drives the fan blade 49 to rotate, thereby driving the second auxiliary shaft 47 to rotate, thereby driving the first auxiliary shaft 46 to rotate sealingly in the middle of the top end of the inner cap frame 51, the arc-shaped clamping block 42 slides in the corresponding arc-shaped clamping groove 301, extrudes and stretches the corresponding arc-shaped spring 43, the exhaust inner groove 411 rotates, and the exhaust inner groove 411 is positionally corresponding, at this time, the steam discharged in the steam direct-buried pipeline can be discharged in large quantities through the exhaust inner groove 411 and the multiple exhaust outer grooves 31 on the exhaust pipe 3, then the arc-shaped spring 43 resets, drives the isolation inner tube 41 to rotate stably in the exhaust pipe 3 in the opposite direction, the exhaust inner groove 411 rotates in the opposite direction, and the exhaust inner groove 411 is positionally not corresponding, at this time, the isolation sieve groove group 412 and the multiple exhaust outer grooves 31 on the exhaust pipe 3 are positionally corresponding, the isolation inner tube 41 can isolate the multiple exhaust outer grooves 31 on the exhaust pipe 3, and at this time, the steam discharged in the steam direct-buried pipeline can be discharged in small quantities through the isolation sieve groove group 412 and the multiple exhaust outer grooves 31 on the exhaust pipe 3;

[0044] Among them, the convex block 73 can be set to manually detach the filter frame 72 from the liquid buffer hopper frame 7 for cleaning of the filter frame 72.

[0045] While embodiments of the application have been shown and described, it is to be understood that the application is not limited to the details of the embodiments described, since numerous changes, modifications, substitutions and variations can be made thereto without departing from the spirit and scope of the application as defined by the appended claims and their equivalents.

Claims

1. A rain hat for a municipal steam direct buried pipe comprising a mounting inner tube (1), characterized in that: The outer side of the installation inner tube (1) is movably sleeved with a lifting outer tube (2), the top end of the lifting outer tube (2) is fixedly installed with a steam exhaust pipe (3), the steam exhaust pipe (3) is provided with a separation mechanism (4), the top end of the steam exhaust pipe (3) is fixedly installed with an outer hat frame (5), the top end of the outer hat frame (5) is fixedly installed with a connecting pipe (6), the top end of the connecting pipe (6) is fixedly installed with a liquid buffering hopper frame (7), the bottom of the outer side of the lifting outer tube (2) is fixedly sleeved with a mounting seat (8), the bottom end of the mounting seat (8) is fixedly installed with a floating plate (9) through bolts. The middle part of the steam exhaust pipe (3) is provided with steam exhaust outer grooves (31), the steam exhaust outer grooves (31) are arranged in an annular array, the separation mechanism (4) comprises a separation inner tube (41), the separation inner tube (41) is movably clamped in the steam exhaust pipe (3), the outer wall top of the separation inner tube (41) is fixedly installed with two symmetrically distributed arc-shaped clamping blocks (42), the inner wall top of the steam exhaust pipe (3) is provided with arc-shaped clamping grooves (301) corresponding to the arc-shaped clamping blocks (42), the arc-shaped clamping grooves (301) are symmetrically distributed, the arc-shaped clamping blocks (42) are slidably clamped in the middle part of the corresponding arc-shaped clamping grooves (301), arc-shaped springs (43) are fixedly installed between the arc-shaped clamping blocks (42) and the inner walls on both sides of the corresponding arc-shaped clamping grooves (301), the separation inner tube (41) is provided with steam exhaust inner grooves (411) matched with the steam exhaust outer grooves (31), the steam exhaust inner grooves (411) are provided with a plurality of steam exhaust outer grooves (31), the separation inner tube (41) is provided with separation screen groove groups (412), the separation screen groove groups (412) are provided with a plurality of steam exhaust outer grooves (31), the separation screen groove groups (412) are located between adjacent two steam exhaust inner grooves (411), the inner side top of the separation inner tube (41) is fixedly installed with a mounting bracket (44). The outer hat frame (5) is integrally formed with an inner hat frame (51), a liquid storage cavity (511) is formed between the inner side of the outer hat frame (5) and the outer side of the inner hat frame (51), the bottom of the liquid storage cavity (511) is a closed structure, the top of the liquid storage cavity (511) is communicated with the bottom of the connecting pipe (6).

2. A rainhood for a municipal steam direct buried pipe according to claim 1, characterized in that: The outer side top of the installation inner tube (1) is integrally formed with a sliding convex (11), the inner side of the lifting outer tube (2) is provided with a sliding groove (21) corresponding to the sliding convex (11), the sliding convex (11) is slidably clamped in the corresponding sliding groove (21), the outer wall of the installation inner tube (1) and the inner wall of the lifting outer tube (2) are in contact.

3. A rainhood for a municipal steam direct buried pipe according to claim 1, characterized in that: The top of the outer hat frame (5) is fixedly provided with a liquid discharge frame (52), a plurality of liquid discharge perforations (521) are arranged in an annular array on the liquid discharge frame (52), the bottom end of the outer hat frame (5) is fixedly provided with a liquid discharge pipe (53), the top of the liquid discharge pipe (53) is communicated with the liquid storage cavity (511), the bottom of the liquid discharge pipe (53) is threadedly installed with a cover (531).

4. A rainhood for a municipal steam direct buried pipe according to claim 3, characterized in that: The connecting pipe (6) is fixedly installed with a poly pressure hopper frame (61) in the middle, the top size of the poly pressure hopper frame (61) is larger than the bottom size, and the top end and the bottom end of the poly pressure hopper frame (61) are open structures.

5. A rainhood for a municipal steam direct buried pipe according to claim 4, characterized in that: The isolation mechanism (4) further comprises a sealing rotating part (45) fixedly clamped in the middle of the top end of the inner cap frame (51), the middle of the sealing rotating part (45) is provided with a first auxiliary shaft (46), the bottom end of the first auxiliary shaft (46) and the middle of the top end of the mounting frame (44) are fixedly installed, the top of the first auxiliary shaft (46) penetrates through the inner cap frame (51), the top of the first auxiliary shaft (46) extends into the poly pressure hopper frame (61), the top end of the first auxiliary shaft (46) is fixedly installed with a second auxiliary shaft (47), the outer side of the second auxiliary shaft (47) is fixedly sleeved with a liquid guide impeller (471), and the liquid guide impeller (471) is located at the bottom of the poly pressure hopper frame (61).

6. A rainhood for a municipal steam direct buried pipe according to claim 5, characterized in that: The top end of the liquid buffering hopper frame (7) is provided with a limiting ring (71), the middle of the limiting ring (71) is fixedly installed with a filter frame (72), the filter frame (72) is movably clamped at the top end of the liquid buffering hopper frame (7), the filter frame (72) is in a bowl-shaped structure, and the outer side of the limiting ring (71) is fixedly installed with a protruding block (73).

7. A rainhood for a municipal steam direct buried pipe according to claim 6, characterized in that: The top end of the second auxiliary shaft (47) is fixedly installed with a third auxiliary shaft (48), the top of the third auxiliary shaft (48) movably penetrates through the middle of the filter frame (72), and the top of the third auxiliary shaft (48) is fixedly installed with a fan blade (49).

8. A rainhood for a municipal steam direct buried pipe according to claim 1, characterized in that: The inner side of the mounting inner pipe (1) is threadedly installed with a sealing outer frame (10), the sealing outer frame (10) is fixedly clamped with a sealing inner frame (101), the middle of the sealing inner frame (101) is provided with a sealing through slot (102), the top size of the sealing through slot (102) is smaller than the bottom size, the outer side of the mounting inner pipe (1) is integrally formed with a plurality of positioning seats (103) arranged in an annular array, the middle of the positioning seat (103) is threadedly inserted with a positioning bolt (104), the opposite sides of the plurality of positioning bolts (104) are extended into the mounting inner pipe (1), and the opposite ends of the plurality of positioning bolts (104) are fixedly clamped with anti-skid pads (105).

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