CN108643322B - Silencing plug-in device for building drain pipe - Google Patents
Silencing plug-in device for building drain pipe Download PDFInfo
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- CN108643322B CN108643322B CN201810664857.1A CN201810664857A CN108643322B CN 108643322 B CN108643322 B CN 108643322B CN 201810664857 A CN201810664857 A CN 201810664857A CN 108643322 B CN108643322 B CN 108643322B
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- fixed
- cleaning
- sand
- side wall
- plate
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention discloses a silencing and inserting device for a building drain pipe, which comprises a silencing box, wherein a cleaning opening is formed in the bottom of the silencing box, a water falling pipe and a flow guide pipe are respectively and spirally connected to the top surface and the right side wall of the silencing box, a sand pool and a buffering ring plate are respectively fixed to the inner top surface of the silencing box through a buffering spring, a buffering elastic net is fixed to the inner ring wall of the buffering ring plate, splash-proof plates are vertically fixed to two sides of the top surface of the buffering elastic net, flow guide plates are obliquely fixed to two sides of the inner bottom surface of the sand pool, fine sand with a certain thickness is laid at the inner bottom of the sand pool, a sand isolating net is arranged right above the fine sand, two sides of the sand isolating net are fixed to the inner side wall of the flow guide plates, and a plurality of overflow openings; the impact force of high-speed water flow is reduced through the buffering elastic net, and the noise generated by water flow impact can be greatly reduced through the arranged sand pool.
Description
Technical Field
The invention relates to the field of building pipeline connection, in particular to a silencing insertion device for a building drain pipe.
Background
The building drain pipe row mainly undertakes the discharge work of rainwater, sewage, general drain pipe all runs through setting up in house inner wall corner department, when meetting a large amount of rivers and discharging, the stream sound that often appears swamping in the water pipe, this condition is more obvious at night, this is mainly because the stream water is when staying the next floor by each floor house, the main water pipe strikes the honeycomb duct that sets up transversely by vertical state and produces the impact sound, user experience in the bottom house of this kind of condition is more obvious, water directly topples down from the eminence, forms high-speed water column, the honeycomb duct that the water column impacted the bottom forms huge rivers sound, this kind of water pipe noise causes very painful influence to people's daily life.
At present, common solution in the market, the soundproof cotton is generally established to water piping connection department cover, with the intensity that reduces rivers striking noise and outwards propagate, but this kind of method addresses the symptoms and does not address the root cause, to the great roof drain pipe of difference in height that some outer walls set up, the soundproof cotton of cover establishing at outer drops very easily in the air-blowing solarization, this kind of noise problem can't be permanent and fundamentally solved, and this kind of rivers impact not only produces the noise influence, and can cause lasting impact to the junction of being responsible for with the honeycomb duct, cause the problem that water piping connection department leaks or explodes the fracture easily for a long time, consequently, to this kind of problem, we need one kind can effectively reduce the pipe rivers impact and bring the silencing device of damage and noise.
Disclosure of Invention
The invention aims to provide a silencing insertion device for a building drain pipe, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a silencing and inserting device for a building drain pipe comprises a bottom cover plate, a cleaning opening, a silencing cavity, observation glass, a sand pool, a guide plate, fine sand, a sand isolating net, an overflow opening, a first cleaning handle, a first cleaning slide rod, a first connecting plate, a first tamping bar, a second cleaning handle, a second cleaning slide rod, a second connecting plate, a second tamping bar, a buffering annular plate, an anti-splash plate, a buffering elastic net, a buffering spring, a fixing column, a fixing screw hole, a fixing screw rod, a rotating limiting plate, a rotating limiting groove, a fixing slide hole, a sealing sleeve, a rotating cap, a water falling opening, a water falling pipe, a guide pipe, a water outlet, a first cleaning slide hole, a silencing box and a second cleaning slide hole, wherein the cleaning opening is formed in the bottom of the silencing box, the bottom cover plate is sleeved in a spiral sealing manner in the cleaning opening, the whole bottom cover plate covers the cleaning opening from the bottom, and the observation glass is glued and fixed on the bottom of the left side wall of the silencing box, the inner side surface of the observation glass is communicated with the interior of the silencing box, a silencing cavity is arranged in the silencing box, a water falling port is formed in the center of the top of the silencing box, a water falling pipe is sleeved in the water falling port in a threaded manner, two rows of parallel fixed sliding holes are formed in two sides of the water falling port respectively, a fixed screw rod is arranged in each fixed sliding hole in a penetrating manner, a layer of sealing sleeve is fixed on the outer side wall of the top of each fixed screw rod, a rotating cap cover is fixed on the top of each fixed screw rod and covers the top of the silencing box, the bottom end of each fixed screw rod is fixed in each fixed screw hole in a spiral manner, each fixed screw hole is formed in the top of a fixed column, rotating limiting plates are fixed on two sides of the top of the fixed column, rotating limiting grooves are formed right above the rotating limiting plates and are formed in, the fixed columns are positioned on two sides of the inner top of the silencing cavity, buffer springs are fixed on the bottom surfaces of the fixed columns, a sand pool and a buffer ring plate are respectively fixed at the bottoms of the buffer springs, the buffer ring plate is arranged at the top opening of the sand pool, a buffer elastic net is fixed on the inner ring wall of the buffer ring plate, splash-proof plates are vertically fixed on two sides of the top surface of the buffer elastic net, guide plates are obliquely fixed on two sides of the inner bottom surface of the sand pool, fine sand with a certain thickness is paved at the inner bottom of the sand pool, a sand isolating net is arranged right above the fine sand, two sides of the sand isolating net are fixed on the inner side wall of the guide plates, a plurality of overflow ports are formed in the left side wall and the right side wall of the sand pool, a water outlet is formed in the right side wall of the silencing box, a flow guide pipe is fixedly connected with the right side of the water outlet in a spiral sealing manner, and, the sand pool cleaning device is characterized in that a first cleaning slide bar is arranged in a second cleaning slide hole in a sealing and sliding mode in a penetrating mode, a first cleaning handle is fixed to the left end of the outer side of the first cleaning slide bar, a first connecting plate is fixed to the right end of the inner side of the first cleaning slide bar, a plurality of first tamping bars are fixed to the right side wall of the first connecting plate, the first tamping bars stretch into a water overflow port, a first cleaning slide hole is formed in the right side wall of the sand pool, a second cleaning slide bar is arranged in the first cleaning slide hole in a sealing and sliding mode in a penetrating mode, a second cleaning handle is fixed to the outer end of the right side of the second cleaning slide bar, the second cleaning handle is located above a flow guide pipe, a second connecting plate is fixed to the inner end of the left side of the second cleaning slide bar, a plurality of second tamping bars are fixed to the left side wall of the second connecting plate, and the second tamping bars stretch into the water overflow port of the right side wall of the sand pool.
Further scheme: the inner wall of the silencing cavity is provided with a plurality of honeycomb grooves.
Further scheme: the sealing sleeve is a cylindrical rubber sleeve.
Further scheme: the fixed columns are rectangular metal blocks.
Further scheme: the rotary limiting groove is a rectangular groove with a downward opening.
Further scheme: the plastic box with an upward opening is arranged outside the sand pool.
Further scheme: the buffer ring plate is a circular plastic plate.
Further scheme: the buffering elastic net is a circular and elastic plastic grid.
Further scheme: the first connecting plate and the second connecting plate are plastic plates provided with leakage holes.
Compared with the prior art, the invention has the beneficial effects that: the invention disperses the high-speed water column through the primary buffer of the buffer elastic net, reduces the impact force of the water flow, and receives the water flow rushing down through the fine sand in the sand pool, and the fine sand has great consumption effect on the noise generated by the water flow rushing down, so the noise caused by the water flow impact is greatly reduced on the fine sand rushing into the sand pool by the high-speed water flow, the impact force of the water flow can be greatly reduced by the soft fine sand, and the problem that the connection part of the downpipe and the guide pipe is easy to crack under the long-term impact of the high-speed water flow is solved.
Drawings
Fig. 1 is a schematic structural diagram of a silencing insertion device for a building drainage pipe.
Fig. 2 is a schematic structural diagram of a silencing and inserting device A for a building drain pipe.
Fig. 3 is a schematic structural diagram of a first cleaning slide bar in a silencing and inserting device for a building drain pipe.
Fig. 4 is a schematic structural view of a second cleaning slide bar in the silencing and inserting device for the building drainage pipe.
In the figure: the device comprises a bottom cover plate 1, a cleaning port 2, a silencing cavity 3, observation glass 4, a sand pool 5, a guide plate 6, fine sand 7, a sand separation net 8, an overflow port 9, a first cleaning handle 10, a first cleaning slide bar 11, a first connecting plate 12, a first tamper 13, a second cleaning handle 14, a second cleaning slide bar 15, a second connecting plate 16, a second tamper 17, a buffer ring plate 18, a splash guard 19, a buffer elastic net 20, a buffer spring 21, a fixed column 22, a fixed screw hole 23, a fixed screw 24, a rotary limit plate 25, a rotary limit groove 26, a fixed slide hole 27, a sealing sleeve 28, a rotary cap 29, a water falling port 30, a water falling pipe 31, a guide pipe 32, a water outlet 33, a first cleaning slide hole 34, a silencing box 35 and a second cleaning slide hole 36.
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 to 4, in the embodiment of the present invention, a silencing plug device for a building drainage pipe includes a bottom cover plate 1, a cleaning opening 2, a silencing cavity 3, an observation glass 4, a sand pool 5, a guide plate 6, fine sand 7, a sand isolation net 8, an overflow opening 9, a first cleaning handle 10, a first cleaning slide bar 11, a first connecting plate 12, a first tamper 13, a second cleaning handle 14, a second cleaning slide bar 15, a second connecting plate 16, a second tamper 17, a buffering ring plate 18, an anti-splash plate 19, a buffering elastic net 20, a buffering spring 21, a fixing column 22, a fixing screw 23, a fixing screw 24, a rotation limiting plate 25, a rotation limiting groove 26, a fixing slide hole 27, a sealing sleeve 28, a rotating cap 29, a water outlet 30, a water falling pipe 31, a flow guide pipe 32, a water outlet 33, a first cleaning slide hole 34, a silencing box 35, and a second cleaning slide hole 36, wherein the cleaning opening 2 is disposed at the bottom of the silencing box 35, the cleaning port 2 is internally provided with a bottom cover plate 1 in a spiral sealing manner, the bottom cover plate 1 is integrally covered on the cleaning port 2 from the bottom, the bottom of the left side wall of the sound-deadening box 35 is fixedly glued with an observation glass 4, the inner side surface of the observation glass 4 is communicated with the interior of the sound-deadening box 35, the sound-deadening box 35 is internally provided with a sound-deadening chamber 3, the inner wall of the sound-deadening chamber 3 is provided with a plurality of honeycomb grooves, the top center of the sound-deadening box 35 is provided with a water falling port 30, a water falling pipe 31 is sheathed in the water falling port 30 in a threaded manner, two sides of the water falling port 30 are respectively provided with two rows of parallel fixed slide holes 27, a fixed screw 24 is penetrated in the fixed slide holes 27, the outer side wall of the top of the fixed screw 24 is fixedly provided with a layer of sealing sleeve 28, the sealing sleeve 28 is a cylindrical rubber sleeve, the top of the fixed screw, the bottom end of the fixing screw 24 is fixed in a fixing screw hole 23 in a spiral manner, the fixing screw hole 23 is formed in the top surface of a fixing column 22, the fixing column 22 is a rectangular metal block, rotation limiting plates 25 are fixed on two sides of the top surface of the fixing column 22, rotation limiting grooves 26 are formed right above the rotation limiting plates 25, the rotation limiting grooves 26 are formed in the left side and the right side of a fixed slide hole 27 in parallel, the rotation limiting grooves 26 are rectangular grooves with downward openings, the fixing column 22 is located on two sides of the inner top of the silencing cavity 3, a buffer spring 21 is fixed on the bottom surface of the fixing column 22, a sand pool 5 and a buffer ring plate 18 are respectively fixed at the bottom of the buffer spring 21, a plastic box with an upward opening is formed outside the sand pool 5, the buffer ring plate 18 is a circular plastic plate, the buffer ring plate 18 is arranged at the opening at the top of the sand pool 5, and a buffer elastic net 20 is fixed on the inner ring wall of, the buffering elastic net 20 is a circular and elastic plastic grid, splash guards 19 are vertically fixed on two sides of the top surface of the buffering elastic net 20, guide plates 6 are obliquely fixed on two sides of the inner bottom surface of the sand pool 5, fine sand 7 with a certain thickness is laid on the inner bottom of the sand pool 5, a sand isolating net 8 is arranged right above the fine sand 7, two sides of the sand isolating net 8 are fixed on the inner side wall of the guide plates 6, a plurality of overflow ports 9 are arranged on the left side wall and the right side wall of the sand pool 5, a water outlet 33 is arranged on the right side wall of the sound-eliminating box 35, a draft tube 32 is spirally and fixedly connected with the right side of the water outlet 33 in a sealing manner, a second cleaning slide hole 36 is arranged on the left side wall of the sand pool 5, a first cleaning slide bar 11 is hermetically and slidably arranged in the second cleaning slide hole 36, a first cleaning handle 10 is fixed on the left end of the outer side of the first cleaning slide bar 11, a first connecting plate 12 is fixed to the right end of the inner side of the first cleaning slide bar 11, the first connecting plate 12 and the second connecting plate 16 are plastic plates provided with weepholes, a plurality of first tamper bars 13 are fixed to the right side wall of the first connecting plate 12, the first tamper bars 13 extend into the overflow ports 9, a first cleaning slide hole 34 is formed in the right side wall of the sand pool 5, a second cleaning slide bar 15 is arranged in the first cleaning slide hole 34 in a sealing and sliding mode, a second cleaning handle 14 is fixed to the outer end of the right side of the second cleaning slide bar 15, the second cleaning handle 14 is located above the flow guide pipe 32, a second connecting plate 16 is fixed to the inner end of the left side of the second cleaning slide bar 15, a plurality of second tamper bars 17 are fixed to the left side wall of the second connecting plate 16, and the second tamper bars 17 extend into the overflow ports 9 of the right side wall of the sand pool 5.
The working principle of the invention is as follows: when the device works, the downpipe 31 and the draft tube 32 are directly fixed together in a staggered manner through the sound-absorbing box 35, fast water flow falling from a high place enters the sound-absorbing cavity 3 of the sound-absorbing box 35 through the downpipe 31 and the downpipe 30, firstly, water can collide the buffering elastic net 20, the buffering elastic net 20 plays a primary buffering role, the buffering elastic net 20 can disperse water columns, the buffering elastic net 20 can bend downwards under the action of water flow impact, the whole buffering ring plate 18 for fixing the buffering elastic net 20 can swing up and down under the drive of the buffering spring 21, the impact force of the water flow is greatly reduced in the process, the impact damage of the water flow to the buffering elastic net 20 is reduced, after the high-speed water column is dispersed by the buffering elastic net 20, the water column penetrates through the buffering elastic net 20 and downwards jets into the sand pool 5, fine sand 7 in the sand pool 5 can well bear the water flow which rushes down, and the fine sand 7 has a great consumption effect on noise generated by the impact water flow, therefore, the noise caused by water flow impact is greatly reduced on the fine sand 7 rushing into the sand pool 5 by the high-speed water flow, the impact force of the water flow can be greatly reduced by the soft fine sand 7, and the problem that the connection part of the downpipe 31 and the guide pipe 32 is easy to crack under the long-term impact of the high-speed water flow is solved;
the sand pool 5 can swing up and down under the suspension of the buffer spring 21, and the sand pool 5 capable of elastically swinging up and down reduces the impact force of water flow and the influence of vibration caused by the impact of the sand pool 5 on the sound box 35, so that the noise generated by the impact of high-speed water flow on the flow guide pipe 32 and the impact force on the pipe wall of the flow guide pipe 32 are reduced;
the sand separation net 8 can prevent the fine sand 7 from overflowing, wherein whether the interior of the sand pool 5 needs to be cleaned can be observed through the observation glass 4, and when cleaning is carried out, the bottom cover plate 1 is turned open, the cleaning port 2 is opened, and sediments accumulated at the bottom of the silencing cavity 3 are discharged;
the fixed screw 24 and the fixed column 22 can be integrally lifted upwards through the rotating cap 29 until the rotating limit plate 25 is clamped in the rotating limit groove 26, then the rotating cap 29 is rotated, the fixed column 22 is clamped in the rotating limit groove 26 by the rotating limit plate 25 and cannot rotate, and the fixed screw 24 rotates out of the fixed screw hole 23, so that the sand pool 5 and the buffer ring plate 18 suspended in the silencing cavity 3 can be detached through the method and then taken out of the cleaning port 2, and the cleaning work of the sand pool 5 and the buffer elastic net 20 is sequentially facilitated;
wherein, the first tamper 13 and the second tamper 17 of setting can realize the overflow gap 9 of right to husky pond 5 through pressing down first clearance handle 10 and second clearance handle 14 and dredge the operation, prevent that overflow gap 9 from blockking up, the unable problem that overflows of rivers.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A silencing and inserting device for a building drainage pipe comprises a bottom cover plate (1), a cleaning opening (2), a silencing cavity (3), observation glass (4), a sand pool (5), a guide plate (6), fine sand (7), a sand separation net (8), an overflow opening (9), a first cleaning handle (10), a first cleaning slide rod (11), a first connecting plate (12), a first tamping bar (13), a second cleaning handle (14), a second cleaning slide rod (15), a second connecting plate (16), a second tamping bar (17), a buffering ring plate (18), a splash plate (19), a buffering elastic net (20), a buffering spring (21), a fixing column (22), a fixing screw hole (23), a fixing screw rod (24), a rotary limiting plate (25), a rotary limiting groove (26), a fixing slide hole (27), a sealing sleeve (28), a rotary cap cover (29), a water falling opening (30), a water falling pipe (31), The water-saving box is characterized in that a cleaning opening (2) is formed in the bottom of the sound-reducing box (35), a bottom cover plate (1) is sleeved in the cleaning opening (2) in a spiral sealing manner, the whole bottom cover plate (1) covers the cleaning opening (2) from the bottom, an observation glass (4) is fixed to the bottom of the left side wall of the sound-reducing box (35) in a gluing manner, the inner side face of the observation glass (4) is communicated with the interior of the sound-reducing box (35), a sound-reducing cavity (3) is arranged in the sound-reducing box (35), a water falling opening (30) is formed in the center of the top of the sound-reducing box (35), a water falling pipe (31) is sleeved in the water falling opening (30) in a threaded manner, two rows of fixing slide holes (27) which are parallel to each other are formed in two sides of the water falling opening (30), a fixed screw rod (24) penetrates through the fixed sliding hole (27), a layer of sealing sleeve (28) is fixed on the outer side wall of the top of the fixed screw rod (24), a rotating cap cover (29) is fixed on the top of the fixed screw rod (24), the rotating cap cover (29) covers the top surface of the sound attenuation box (35), the bottom end of the fixed screw rod (24) is spirally fixed in a fixed screw hole (23), the fixed screw hole (23) is formed in the top surface of a fixed column (22), rotating limit plates (25) are fixed on two sides of the top surface of the fixed column (22), a rotating limit groove (26) is arranged right above the rotating limit plate (25), the rotating limit grooves (26) are formed in the left side and the right side of the fixed sliding hole (27) side by side, the fixed column (22) is located on two sides of the inner top of the sound attenuation cavity (3), and a buffer spring (21) is fixed on the bottom surface of the fixed column (22, the sand pool (5) and the buffering ring plate (18) are respectively fixed at the bottom of the buffering spring (21), the buffering ring plate (18) is arranged at the top opening of the sand pool (5), the buffering elastic net (20) is fixed on the inner ring wall of the buffering ring plate (18), the splash-proof plates (19) are vertically fixed on two sides of the top surface of the buffering elastic net (20), the guide plate (6) is obliquely fixed on two sides of the inner bottom surface of the sand pool (5), fine sand (7) with a certain thickness is laid on the inner bottom of the sand pool (5), the sand isolating net (8) is arranged right above the fine sand (7), two sides of the sand isolating net (8) are fixed on the inner side wall of the guide plate (6), a plurality of overflow ports (9) are formed on the left side wall and the right side wall of the sand pool (5), the water outlet (33) is formed on the right side wall of the sound-eliminating box (35), and the guide pipe (32) is fixedly connected with the right side of the water outlet (, a second cleaning slide hole (36) is formed in the left side wall of the sand pool (5), a first cleaning slide rod (11) is arranged in the second cleaning slide hole (36) in a sealing and sliding mode, a first cleaning handle (10) is fixed at the left end of the outer side of the first cleaning slide rod (11), a first connecting plate (12) is fixed at the right end of the inner side of the first cleaning slide rod (11), a plurality of first tamping rods (13) are fixed on the right side wall of the first connecting plate (12), the first tamping rods (13) extend into the overflow port (9), a first cleaning slide hole (34) is formed in the right side wall of the sand pool (5), a second cleaning slide rod (15) is arranged in the first cleaning slide hole (34) in a sealing and sliding mode, a second cleaning handle (14) is fixed at the outer end of the right side of the second cleaning slide rod (15), and the second cleaning handle (14) is located above the guide pipe (32), a second connecting plate (16) is fixed to the inner end of the left side of the second cleaning sliding rod (15), a plurality of second tamping rods (17) are fixed to the left side wall of the second connecting plate (16), and the second tamping rods (17) extend into the overflow port (9) of the right side wall of the sand pool (5).
2. The building drain pipe silencing plug device according to claim 1, wherein the inner wall of the silencing chamber (3) is provided with a plurality of honeycomb grooves.
3. The building drain pipe silencing plug device according to claim 1, wherein the sealing sleeve (28) is a cylindrical rubber sleeve.
4. The building drain pipe silencing plug device according to claim 1, wherein the fixing post (22) is a rectangular metal block.
5. The building drain pipe silencing plug device according to claim 1, wherein the rotation limiting groove (26) is a rectangular groove with a downward opening.
6. Construction drainpipe sound-deadening plug device according to claim 1, characterized in that the sand basin (5) is a plastic box open upwards.
7. The building drain pipe silencing plug device according to claim 1, wherein said buffer ring plate (18) is a circular ring shaped plastic plate.
8. The building drain pipe silencing plug device according to claim 1, wherein the buffering elastic net (20) is a circular and elastic plastic mesh.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810664857.1A CN108643322B (en) | 2018-06-25 | 2018-06-25 | Silencing plug-in device for building drain pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810664857.1A CN108643322B (en) | 2018-06-25 | 2018-06-25 | Silencing plug-in device for building drain pipe |
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CN108643322A CN108643322A (en) | 2018-10-12 |
CN108643322B true CN108643322B (en) | 2020-02-07 |
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CN201810664857.1A Expired - Fee Related CN108643322B (en) | 2018-06-25 | 2018-06-25 | Silencing plug-in device for building drain pipe |
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CN117366434B (en) * | 2023-12-08 | 2024-02-02 | 同圆设计集团股份有限公司 | Geographic information acquisition device for homeland space planning |
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DE3333193A1 (en) * | 1982-09-15 | 1984-03-22 | TI Flexible Tubes Ltd., Enfield | Shock absorber for hoses |
JP2002294854A (en) * | 2001-03-27 | 2002-10-09 | Ishikawajima Harima Heavy Ind Co Ltd | Energy dissipation and sound insulating overfall |
EP1519099A1 (en) * | 2003-09-23 | 2005-03-30 | Robert Bosch Gmbh | Flow circuit with noise attenuation |
CN203231019U (en) * | 2013-05-10 | 2013-10-09 | 武汉钢铁(集团)公司 | Device for preventing fluid from being splashed during drainage |
CN105485464A (en) * | 2016-02-16 | 2016-04-13 | 辽宁石油化工大学 | Noise-reduction drainage pipe structure used indoors |
CN206268702U (en) * | 2016-11-20 | 2017-06-20 | 厦门市泓图机电工程有限公司 | A kind of noise-reducing drain pipe structure |
CN107387930A (en) * | 2016-05-14 | 2017-11-24 | 无锡麟达新型管道科技有限公司 | Mute drainage pipe structure |
-
2018
- 2018-06-25 CN CN201810664857.1A patent/CN108643322B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3333193A1 (en) * | 1982-09-15 | 1984-03-22 | TI Flexible Tubes Ltd., Enfield | Shock absorber for hoses |
JP2002294854A (en) * | 2001-03-27 | 2002-10-09 | Ishikawajima Harima Heavy Ind Co Ltd | Energy dissipation and sound insulating overfall |
EP1519099A1 (en) * | 2003-09-23 | 2005-03-30 | Robert Bosch Gmbh | Flow circuit with noise attenuation |
CN203231019U (en) * | 2013-05-10 | 2013-10-09 | 武汉钢铁(集团)公司 | Device for preventing fluid from being splashed during drainage |
CN105485464A (en) * | 2016-02-16 | 2016-04-13 | 辽宁石油化工大学 | Noise-reduction drainage pipe structure used indoors |
CN107387930A (en) * | 2016-05-14 | 2017-11-24 | 无锡麟达新型管道科技有限公司 | Mute drainage pipe structure |
CN206268702U (en) * | 2016-11-20 | 2017-06-20 | 厦门市泓图机电工程有限公司 | A kind of noise-reducing drain pipe structure |
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