CN112728223A - Water supply wall bushing for indoor decoration project - Google Patents
Water supply wall bushing for indoor decoration project Download PDFInfo
- Publication number
- CN112728223A CN112728223A CN202011548164.XA CN202011548164A CN112728223A CN 112728223 A CN112728223 A CN 112728223A CN 202011548164 A CN202011548164 A CN 202011548164A CN 112728223 A CN112728223 A CN 112728223A
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- China
- Prior art keywords
- wall
- connecting pipe
- sleeve
- pipe
- air bag
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
- F16L5/02—Sealing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention discloses a water supply wall bushing for indoor decoration engineering, which comprises a connecting pipe, a main body mechanism, a sealing mechanism, a pull ring, an installation block, a sliding rod, a sliding groove, a piston, an air inlet pipe and an air bag. The invention has the beneficial effects that: the gasbag is installed to the inner wall of connecting pipe, the one end and the gasbag intercommunication of intake pipe, the other end of intake pipe is fixed in the installation piece that the connecting pipe inner wall set up, and the inside intercommunication of intake pipe and installation piece, piston and slide bar tip fixed connection and slide in the spout position that installation piece inner wall set up, the top fixed connection of pull ring and slide bar, the use tool pulling slide bar, make the piston slide in the inside of installation piece, and then make the inside gas of installation piece flow into inside the gasbag through the intake pipe under the extrusion of piston, and then make the gasbag inflation wrap up the pipeline, prevented simultaneously that the pipe connection from damaging or leaking and leading to the wall body to soak or damage furniture after long-time use, be favorable to improving the sheathed tube result in use of wearing the wall.
Description
Technical Field
The invention relates to a wall bushing device, in particular to a water supply wall bushing for indoor decoration engineering, and belongs to the technical field of building construction.
Background
The wall bushing is also called a wall bushing, a waterproof bushing and a wall embedded pipe, and the waterproof bushing is divided into a rigid waterproof bushing and a flexible waterproof bushing. The ac wall bushing used for electric conduction is classified into a dry capacitive ac wall bushing and a ceramic insulating ac wall bushing, which are called a silicone rubber bushing and a ceramic bushing for short.
However, when the conventional wall bushing is installed inside a wall body, the size of the bushing is set to be larger for adapting to pipelines with different sizes, but the pipeline joint may have the problem of damage or leakage after being used for a long time, and then water may leak out to cause the wall body to be soaked and damaged, and then the use effect of the wall bushing is not improved.
Disclosure of Invention
The invention aims to solve the problems and provide a water supply wall bushing for indoor decoration engineering, which is flexible to operate and convenient to install, and the air bag is arranged in the connecting pipe, so that the pipe orifice of the connecting pipe is sealed when the pipe is installed in the bushing, the water leakage of the pipe is prevented, the wall body is prevented from being soaked, and the sealing performance of the wall bushing is improved.
The invention achieves the aim through the following technical scheme, the water supply wall bushing for the interior decoration project comprises a connecting pipe, two ends of the connecting pipe are fixedly connected with a main body mechanism, a sealing mechanism is arranged on the inner wall of the connecting pipe, the sealing mechanism comprises a pull ring, an installation block, a sliding rod, a sliding groove, a piston, an air inlet pipe and an air bag, the air bag is arranged on the inner wall of the connecting pipe close to the main body mechanism, one end of the air inlet pipe is arranged on the side wall of the air bag close to the connecting pipe, the air inlet pipe is communicated with the interior of the air bag, the other end of the air inlet pipe is fixed and communicated with the end part of the installation block, the installation block is fixed on the side wall of the connecting pipe, the sliding groove is arranged in the interior of the installation block, the piston is fixedly connected to the end part of the sliding rod, and the piston and the, the pull ring is arranged on the inner wall of the slide rod, and the slide rod is connected to the inner wall of the connecting pipe in a sliding mode.
Preferably, in order to facilitate placing the pipeline into the wall bushing, the main body mechanism includes a first bushing and a second bushing, the first bushing is fixedly connected to one end of the connecting pipe close to the air bag, and the second bushing is fixedly connected to one end of the connecting pipe away from the air bag.
Preferably, in order to improve the sealing performance of the second sleeve, the main body mechanism further includes bolts and a flange, the flange is sleeved on the side wall of the second sleeve, and the flange is fixedly connected with the inner wall of the connecting pipe through a plurality of bolts.
Preferably, in order to increase the contact area between the wall bushing and the wall body, the main body mechanism further comprises a fixing block and an elastic block, the fixing blocks are fixedly connected to the side walls of the first bushing and the second bushing, the fixing block is of an annular structure, and the elastic block is mounted on the inner wall of the end portion of the second bushing.
Preferably, in order to prevent the water leakage of the pipeline, the main body mechanism further comprises a waterproof wing ring and a rubber pad, the waterproof wing ring is mounted on the inner wall of the connecting pipe close to the second sleeve, and the rubber pad is fixedly connected to the inner wall of the connecting pipe close to the waterproof wing ring.
Preferably, in order to facilitate the sealing of the sealing mechanism, the sealing mechanism further comprises a sealing plug, the sealing plug is in threaded connection with the inner wall of the connecting pipe close to the pull ring, and the end of the sealing plug is of an inverted trapezoidal structure.
Preferably, in order to facilitate the air discharge of the air bag, the air bag is communicated with the air discharge mechanism, the air discharge mechanism comprises an air discharge pipe and a one-way valve, one end of the air discharge pipe is communicated with the inside of the air bag, the other end of the air discharge pipe penetrates through the inner wall of the connecting pipe and is communicated with the one-way valve, and the one-way valve is mounted on the side wall of the connecting pipe, which is far away from the sealing plug.
The invention has the beneficial effects that: the gasbag is installed to the inner wall of connecting pipe, the one end and the gasbag intercommunication of intake pipe, the other end of intake pipe is fixed in the installation piece that the connecting pipe inner wall set up, and the inside intercommunication of intake pipe and installation piece, piston and slide bar tip fixed connection and slide in the spout position that installation piece inner wall set up, the top fixed connection of pull ring and slide bar, the use tool pulling slide bar, make the piston slide in the inside of installation piece, and then make the inside gas of installation piece flow into inside the gasbag through the intake pipe under the extrusion of piston, and then make the gasbag inflation wrap up the pipeline, prevented simultaneously that the pipe connection from damaging or leaking and leading to the wall body to soak or damage furniture after long-time use, and then be favorable to improving the sheathed tube result in use of wearing the.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a connection structure between the main body mechanism and the connection pipe shown in FIG. 1;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic view illustrating a connection structure between the sealing mechanism and the connection pipe shown in fig. 1.
In the figure: 1. the air bag comprises a main body mechanism, 11, a first sleeve, 12, a bolt, 13, a flange, 14, a fixing block, 15, a second sleeve, 16, an elastic block, 17, a waterproof wing ring, 18, a rubber pad, 2, a connecting pipe, 3, a sealing mechanism, 31, a sealing plug, 32, a pull ring, 33, an installation block, 34, a sliding rod, 35, a sliding groove, 36, a piston, 37, an air inlet pipe, 38, an air bag, 4, an exhaust mechanism, 41, an exhaust pipe, 42 and a one-way valve.
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. 1-4, a water supply wall bushing for interior decoration engineering includes a connecting pipe 2, two ends of the connecting pipe 2 are fixedly connected to a main body mechanism 1, a sealing mechanism 3 is installed on an inner wall of the connecting pipe 2, the sealing mechanism 3 includes a pull ring 32, an installation block 33, a sliding rod 34, a sliding groove 35, a piston 36, an air inlet pipe 37 and an air bag 38, the air bag 38 is installed on the inner wall of the connecting pipe 2 close to the main body mechanism 1, one end of the air inlet pipe 37 is installed on the side wall of the air bag 38 close to the connecting pipe 2, the air inlet pipe 37 is communicated with the inside of the air bag 38, the other end of the air inlet pipe 37 is fixed and communicated with an end of the installation block 33, the installation block 33 is fixed on the side wall of the connecting pipe 2, the sliding groove 35 is arranged inside the installation block 33, the piston 36 is fixedly connected to an end, the piston 36 and the sliding rod 34 slide on the sliding groove 35 formed on the inner wall of the mounting block 33, the pull ring 32 is mounted on the inner wall of the sliding rod 34, and the sliding rod 34 is slidably connected to the inner wall of the connecting pipe 2.
As a technical optimization scheme of the present invention, the main body mechanism 1 includes a first sleeve 11 and a second sleeve 15, the first sleeve 11 is fixedly connected to one end of the connecting pipe 2 close to the air bag 38, and the second sleeve 15 is fixedly connected to one end of the connecting pipe 2 away from the air bag 38, so that the first sleeve 11 and the second sleeve 15 are fixed at two ends through the connecting pipe 2, and one end of the first sleeve 11 is prevented from contacting one end of the second sleeve 15, which results in damage to the air bag 38 and air leakage.
As a technical optimization scheme of the present invention, the main body mechanism 1 further includes bolts 12 and a flange 13, the flange 13 is sleeved on a side wall of the second sleeve 15, and the flange 13 is fixedly connected to a side wall of one end of the connecting pipe 2 through a plurality of bolts 12, so that the connecting pipe or the second sleeve is convenient to detach when the connecting pipe or the second sleeve fails, and the connection manner has better sealing performance.
As a technical optimization scheme of the present invention, the main body mechanism 1 further includes fixed blocks 14 and elastic blocks 16, the fixed blocks 14 are respectively and fixedly connected to the side walls of the first sleeve 11 and the second sleeve 15, the fixed blocks 14 are of an annular structure, and the elastic blocks 16 are mounted on the inner wall of the end portion of the second sleeve 15, so as to increase the contact area between the wall bushing and the wall body when the inner wall of the wall body is subjected to cement casting, increase the stability of the first conduit and the second conduit in the wall body, and facilitate the sealing of the other end of the second sleeve 15.
As a technical optimization scheme of the present invention, the main body mechanism 1 further includes a waterproof wing ring 17 and a rubber pad 18, the waterproof wing ring 17 is installed on a cross section of the connecting pipe 2 close to the second sleeve 15, the rubber pad 18 is fixedly connected to an inner wall of the connecting pipe 2 close to the waterproof wing ring 17, the waterproof wing ring 17 is deformed by the extrusion of the second sleeve 15, and the deformed waterproof wing ring 17 blocks a gap between the second sleeve and the connecting pipe 2, so as to ensure the sealing property of the connection between the connecting pipe 2 and the second sleeve 15.
As a technical optimization scheme of the present invention, the sealing mechanism 3 further includes a sealing plug 31, the sealing plug 31 is connected to the inner wall of the connecting pipe 2 close to the pull ring 32 in a threaded manner, and the end of the sealing plug 31 is in an inverted trapezoid structure, so that the sealing plug 31 is convenient to abut against the bottom end of the sliding rod 34, and the sliding rod 34 is prevented from being pushed open by an excessive air pressure inside the air bag 38, so that the air inside the air bag 38 is lost, and the air bag 38 cannot be sealed.
As a technical optimization scheme of the present invention, the air bag 38 is communicated with the exhaust mechanism 4, the exhaust mechanism 4 includes an exhaust pipe 41 and a one-way valve 42, one end of the exhaust pipe 41 is communicated with the inside of the air bag 38, the other end of the exhaust pipe 41 penetrates through the inner wall of the connecting pipe 2 and is communicated with the one-way valve 42, and the one-way valve 42 is mounted on the side wall of the connecting pipe 2 away from the sealing plug 31, so that the inflation and the exhaust of the air bag 38 are not interfered with each other, and the exhaust pipe 41 is not retracted into the connecting pipe 2 when the air bag 38 is empty.
When the connecting pipe 2 is used, firstly, an operator firstly puts one end of the second sleeve 15 into the groove, and the flange 13 is sleeved on the side wall of the second sleeve 15 and is fixedly connected with the inner wall of the connecting pipe 2 deviating from the first sleeve 11 through the plurality of bolts 12, so that the connecting pipe 2 is better in sealing property when put into the groove; after the wall bushing is fixed, an operator penetrates a pipeline from one end of the first bushing 11 from the other end of the connecting pipe 2 to be in contact with one end section of the second bushing 15, because the diameter of the section of the pipeline is smaller than the diameter of the section of the connecting pipe 2, the diameter of the section of the first bushing 11 and the diameter of the section of the second bushing 15, an air bag 38 is fixed on the inner wall of the connecting pipe 2, one end of an air inlet pipe 37 is communicated with one end of the air bag 38, the other end of the air inlet pipe 37 is fixed inside one end of the mounting block 33 and is communicated with the mounting block 33, a piston 36 slides on the inner side wall of the mounting block 33, a sliding groove 35 is arranged inside the mounting block 33, the top surface of the piston 36 is fixedly connected with the bottom end of a sliding rod 34, a pull ring 32 is fixed on the top end of the sliding rod 34, a sealing plug 31 is in threaded connection with the top end side, the pull ring 32 is hooked or clamped by using a tool, then the pull ring 32 is pulled by the tool, the slide rod 34 slides towards the top end of the connecting pipe 2, the slide rod 34 pulls the piston 36 to slide along the slide groove 35 arranged in the mounting block 33, after the slide rod 34 is pulled to be inverted and pushed, the slide rod 34 is pushed, gas in the slide groove 35 flows into the air bag 38 through the air inlet pipe 37 under the extrusion of the piston 36, the air bag 38 is expanded to wrap the pipeline, gaps between the first sleeve 11 and the second sleeve 15 and the connecting pipe 2 are respectively blocked, no gap exists between the first sleeve 11 and the second sleeve 15, the damage or leakage of the pipeline connection position after long-time use is prevented, the wall body is prevented from being soaked and damaged, the use effect of the wall-penetrating sleeve is further improved, the exhaust pipe 41 is further connected to the bottom end of the air bag 38, and the exhaust pipe 41 penetrates through the, the bottom end of the exhaust pipe 41 is fixedly connected with a one-way valve 42, and the maximum diameter of the one-way valve 42 is larger than that of the exhaust pipe 41, so that the exhaust pipe 41 cannot retract into the connecting pipe 2 when the air bag 38 is empty; a rubber pad 18 and a waterproof wing ring 17 are further fixed at one end of the inner side wall of the connecting pipe 2, when the second sleeve 15 is installed at one end of the waterproof wing ring 17, the waterproof wing ring 17 is extruded by the second sleeve 15 to deform, and the deformed waterproof wing ring 17 plugs a gap between the second sleeve 15 and the connecting pipe 2, so that the connection tightness between the connecting pipe 2 and the second sleeve 15 is ensured; the side walls of the first sleeve 11 and the second sleeve 15 are respectively provided with a plurality of fixing blocks 14, so that the contact area between the wall bushing and the wall body is increased when the inner wall of the wall body is subjected to cement pouring, and the stability of the first guide pipe and the second guide pipe in the wall body is increased; the end part of the second sleeve 15 is provided with an elastic block 16, so that the other end of the second sleeve 15 is conveniently sealed; when later stage need be overhauld, operating personnel can open the bottom check valve 42 that sets up at the connecting pipe 2 lateral wall, and blast pipe 41 and check valve 42 intercommunication are then convenient for exhaust to gasbag 38, have further also improved wall bushing's availability factor.
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 (7)
1. The utility model provides a feedwater wall bushing for interior decoration project, includes connecting pipe (2), its characterized in that: the two ends of the connecting pipe (2) are fixedly connected with the main body mechanism (1), the inner wall of the connecting pipe (2) is provided with a sealing mechanism (3), the sealing mechanism (3) comprises a pull ring (32), an installation block (33), a sliding rod (34), a sliding groove (35), a piston (36), an air inlet pipe (37) and an air bag (38), the air bag (38) is installed on the inner wall of the connecting pipe (2) close to the main body mechanism (1), one end of the air inlet pipe (37) is installed on the side wall of the air bag (38) close to the connecting pipe (2), the air inlet pipe (37) is communicated with the inside of the air bag (38), the other end of the air inlet pipe (37) is fixed and communicated with the end part of the installation block (33), the installation block (33) is fixed on the side wall of the connecting pipe (2), and the sliding groove (35) is arranged inside the installation block (, the piston (36) is fixedly connected to the end portion of the sliding rod (34), the piston (36) and the sliding rod (34) slide on the sliding groove (35) formed in the inner wall of the mounting block (33), the pull ring (32) is mounted on the inner wall of the sliding rod (34), and the sliding rod (34) is slidably connected to the inner wall of the connecting pipe (2).
2. A water feed wall bushing for interior finishing works as claimed in claim 1, wherein: the main body mechanism (1) comprises a first sleeve (11) and a second sleeve (15), the first sleeve (11) is fixedly connected to one end, close to the air bag (38), of the connecting pipe (2), and the second sleeve (15) is fixedly connected to one end, away from the air bag (38), of the connecting pipe (2).
3. A water feed wall bushing for interior finishing works as claimed in claim 2, wherein: the main body mechanism (1) further comprises bolts (12) and a flange (13), the flange (13) is sleeved on the side wall of the second sleeve (15), and the flange (13) is fixedly connected with the inner wall of the connecting pipe (2) through the bolts (12).
4. A water feed wall bushing for interior finishing works according to claim 3, wherein: the main body mechanism (1) further comprises a fixing block (14) and an elastic block (16), the fixing block (14) is fixedly connected to the side walls of the first sleeve (11) and the second sleeve (15), the fixing block (14) is of an annular structure, and the elastic block (16) is installed on the inner wall of the end portion of the second sleeve (15).
5. The water feed wall bushing for interior decoration and finishing works as claimed in claim 4, wherein: the main body mechanism (1) further comprises a waterproof wing ring (17) and a rubber pad (18), the waterproof wing ring (17) is installed on the inner wall, close to the second sleeve (15), of the connecting pipe (2), and the rubber pad (18) is fixedly connected to the inner wall, close to the waterproof wing ring (17), of the connecting pipe (2).
6. A water feed wall bushing for interior finishing works as claimed in claim 1, wherein: the sealing mechanism (3) further comprises a sealing plug (31), the sealing plug (31) is in threaded connection with the inner wall, close to the pull ring (32), of the connecting pipe (2), and the end part of the sealing plug (31) is of an inverted trapezoidal structure.
7. A water feed wall bushing for interior finishing works as claimed in claim 6, wherein: the air bag (38) is communicated with the exhaust mechanism (4), the exhaust mechanism (4) comprises an exhaust pipe (41) and a one-way valve (42), one end of the exhaust pipe (41) is communicated with the inside of the air bag (38), the other end of the exhaust pipe (41) penetrates through the inner wall of the connecting pipe (2) and is communicated with the one-way valve (42), and the one-way valve (42) is installed on the side wall, deviating from the sealing plug (31), of the connecting pipe (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548164.XA CN112728223B (en) | 2020-12-23 | 2020-12-23 | Water supply wall bushing for indoor decoration project |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548164.XA CN112728223B (en) | 2020-12-23 | 2020-12-23 | Water supply wall bushing for indoor decoration project |
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| Publication Number | Publication Date |
|---|---|
| CN112728223A true CN112728223A (en) | 2021-04-30 |
| CN112728223B CN112728223B (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011548164.XA Active CN112728223B (en) | 2020-12-23 | 2020-12-23 | Water supply wall bushing for indoor decoration project |
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| Country | Link |
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| CN (1) | CN112728223B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790334A (en) * | 2021-09-16 | 2021-12-14 | 珠海市广华燃气消防工程有限公司 | Natural gas sleeve beneficial to range fixation |
| CN114165668A (en) * | 2021-11-26 | 2022-03-11 | 倪旭 | Polypropylene anti-corrosion pipe joint |
| CN118293291A (en) * | 2024-06-03 | 2024-07-05 | 呼和浩特中燃城市燃气发展有限公司 | Underground gas pipeline connection reinforcing apparatus |
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| DE20100597U1 (en) * | 2001-01-13 | 2001-04-26 | Deutsche Montan Technologie GmbH, 45307 Essen | Sealing for masonry penetrations |
| CN207213352U (en) * | 2017-09-05 | 2018-04-10 | 贵州富仁混凝土构件有限公司 | A kind of borehole wall of drainage inspection well and the draw bail of water pipe |
| CN208845960U (en) * | 2018-08-20 | 2019-05-10 | 江苏华展石油机械有限公司 | A kind of abnormity petroleum pipeline plugging device |
| CN209184181U (en) * | 2019-01-02 | 2019-07-30 | 佛山环球电力设备有限公司 | A kind of New type through-wall sleeve structure |
| CN110822180A (en) * | 2019-12-05 | 2020-02-21 | 深圳市卓宝科技股份有限公司 | Wall pipe assembly |
| CN210484826U (en) * | 2019-08-07 | 2020-05-08 | 宣城三建建设集团有限公司 | Waterproof device of building construction outer wall with embedded steel sleeve |
| CN111692441A (en) * | 2020-06-05 | 2020-09-22 | 北京城建北方设备安装有限责任公司 | Warm construction pipeline connection structure that leads to |
| CN211667386U (en) * | 2020-03-14 | 2020-10-13 | 高密市孚日自来水有限公司 | Emergency device for running water pipeline breakage |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20100597U1 (en) * | 2001-01-13 | 2001-04-26 | Deutsche Montan Technologie GmbH, 45307 Essen | Sealing for masonry penetrations |
| CN207213352U (en) * | 2017-09-05 | 2018-04-10 | 贵州富仁混凝土构件有限公司 | A kind of borehole wall of drainage inspection well and the draw bail of water pipe |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790334A (en) * | 2021-09-16 | 2021-12-14 | 珠海市广华燃气消防工程有限公司 | Natural gas sleeve beneficial to range fixation |
| CN113790334B (en) * | 2021-09-16 | 2022-12-06 | 珠海市广华燃气消防工程有限公司 | Natural gas sleeve beneficial to range fixing |
| CN114165668A (en) * | 2021-11-26 | 2022-03-11 | 倪旭 | Polypropylene anti-corrosion pipe joint |
| CN114165668B (en) * | 2021-11-26 | 2024-02-06 | 山东冠通管业有限公司 | Polypropylene anti-corrosion pipe joint |
| CN118293291A (en) * | 2024-06-03 | 2024-07-05 | 呼和浩特中燃城市燃气发展有限公司 | Underground gas pipeline connection reinforcing apparatus |
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| Publication number | Publication date |
|---|---|
| CN112728223B (en) | 2023-01-03 |
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