CN114542820B - Municipal administration water supply and drainage pipeline connection structure - Google Patents
Municipal administration water supply and drainage pipeline connection structure Download PDFInfo
- Publication number
- CN114542820B CN114542820B CN202210191820.8A CN202210191820A CN114542820B CN 114542820 B CN114542820 B CN 114542820B CN 202210191820 A CN202210191820 A CN 202210191820A CN 114542820 B CN114542820 B CN 114542820B
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- Prior art keywords
- rod
- pipeline
- water supply
- circular ring
- clamping
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe-ends
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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
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/04—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members
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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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/005—Protection of pipes or objects of similar shape against external or internal damage or wear specially adapted for the ends of pipes
-
- 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
- F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
- F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Sink And Installation For Waste Water (AREA)
Abstract
The invention discloses a municipal water supply and drainage pipeline connecting structure, and belongs to the technical field of water supply and drainage pipelines. This municipal administration water supply and drainage pipeline connection structure includes: the clamping structure comprises a first rod and a second rod, the middle parts of the first rod and the second rod are hinged through a hinge shaft, a plurality of limiting teeth are fixedly arranged on the side face of the first rod, the second rod is hinged to one end of a supporting rod, the limiting teeth and the second rod are located on one side parallel to the axis of the pipeline, and the other end of the supporting rod can be abutted to any one of the limiting teeth and locked; the four clamping plates are respectively and correspondingly fixedly connected to the end parts of the first rod and the second rod. The frictional force that this device produced can restrict first pipeline and second pipeline and produce relative displacement for the junction of first pipeline and second pipeline department does not take place deformation, simultaneously because this device in the use is in the state of tightening, the rigid structure of this device also can prevent that junction department from taking place deformation.
Description
Technical Field
The invention relates to the technical field of water supply and drainage pipelines, in particular to a municipal water supply and drainage pipeline connecting structure.
Background
Municipal construction is an important content of municipal activities, is an execution stage of planning and design, is construction of various public facilities and enterprises, such as roads, drainage, bridges and the like, which are sponsored by municipal government according to the general deployment of municipal planning, and is commonly called municipal drainage pipeline in engineering, wherein municipal water supply and drainage pipelines refer to rainwater and sewage pipelines under municipal roads; according to the current situation of facilities under the municipal roads of China, different pipelines such as electric power, communication, coal gas, water supply and drainage pipelines are generally arranged, and the drainage pipelines take measures of diversion of rain and sewage into consideration, namely, the rain water is generally discharged into rivers nearby, and the sewage is discharged into sewage treatment plants;
in real life, water supply and drainage pipeline often has unsettled phenomenon, if here first pipeline wears to establish on the second pipeline of major diameter, first pipeline and the second pipeline of suspension department can receive self gravity downwarping, and the junction of first pipeline and second pipeline will atress warp, leads to leaking.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a municipal water supply and drainage pipeline connecting structure.
The invention provides a municipal water supply and drainage pipeline connecting structure, which comprises: the clamping structure comprises a first rod and a second rod, the middle parts of the first rod and the second rod are hinged through a hinge shaft, a plurality of limiting teeth are fixedly arranged on the side face of the first rod, the second rod is hinged to one end of a supporting rod, the limiting teeth and the second rod are located on one side parallel to the axis of the pipeline, and the other end of the supporting rod can be abutted to any one of the limiting teeth and locked; the four clamping plates are respectively and correspondingly fixedly connected to the end parts of the first rod and the second rod.
Preferably, the two clamping structures are respectively positioned at two sides of the four clamping plates, and the two clamping structures are fixedly connected with the end parts of the four clamping plates.
Preferably, the ends of the four clamping plates are all rotationally connected with one end of a rotating shaft, the other end of the rotating shaft is rotationally connected with the first rod or the second rod, and the axis of the rotating shaft is perpendicular to the length direction of the first rod or the second rod.
Preferably, the municipal water supply and drainage pipeline connecting structure further comprises a caulking structure, the caulking structure comprises a circular ring and an arc plate, the circular ring is sleeved on the first pipeline, one end face of the circular ring is fixedly connected with a sealing gasket, and the sealing gasket is abutted against the end face of the second pipeline; the other end face of the circular ring is fixedly connected with an arc plate, one side of the arc plate, which is far away from the circular ring, is provided with a slope, and the slope can be abutted against a clamping plate.
Preferably, a first threaded hole is formed in one surface, close to the circular ring, of the clamping plate, the first threaded hole is in threaded connection with one end of a screw rod, the other end of the screw rod can be in threaded fit with any one of a plurality of second threaded holes, and the plurality of second threaded holes are formed in the slope; the threads at the two ends of the screw rod are opposite in rotation direction.
Preferably, the cross section of the sealing gasket is triangular, and the sealing gasket is fixed on one side of the end face of the circular ring, which is close to the inner wall of the circular ring.
Preferably, the clamping plate is an arc-shaped plate which can increase the contact area and make the stress uniform.
Preferably, the ring is composed of two semi-rings, one ends of the two semi-rings are hinged, the other ends of the two semi-rings are detachably connected, the sealing gasket is connected with the end face of the semi-ring, and the other end face of the semi-ring is fixedly connected with the arc plate.
Compared with the prior art, the invention has the beneficial effects that: the municipal water supply and drainage pipeline connecting structure is used at the connecting joint of the first pipeline and the second pipeline, the clamping of the first pipeline and the second pipeline is formed by matching four clamping plates in pairs by locking the angle of the first rod and the second rod, friction force is generated by clamping, when the first pipeline and the second pipeline have downward bending trend, the friction force generated by the device can limit the relative displacement of the first pipeline and the second pipeline, so that the connecting joint of the first pipeline and the second pipeline is not deformed, and meanwhile, the rigid structure of the device can prevent the connecting joint from being deformed because the device is in a tight state in the use process;
simultaneously to the node of the first pipeline and the second pipeline that have taken place to leak, this device still has righting function for the axis of first pipeline and second pipeline is sharp, and with sealed the pad butt in the gap department that has deformed, rotatory ring, make the domatic butt of arc board and with splint chucking, the arc board receives the reverse thrust of splint and makes sealed the pad can block up the gap, prevents to continue to leak.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic illustration of the use of the caulking structure of the present invention;
fig. 3 is a front view of the caulking structure of the present invention.
Reference numerals illustrate:
1. the device comprises a first rod, a second rod, a hinged shaft, a limiting tooth, a supporting rod, a clamping plate, a rotating shaft, a circular ring, an arc plate, a first pipeline, a second pipeline, a sealing gasket, a screw rod and a second threaded hole.
Detailed Description
The following detailed description of specific embodiments of the invention is, but it should be understood that the invention is not limited to specific embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a municipal water supply and drainage pipeline connecting structure, which comprises the following components in part by weight as shown in figure 1: the clamping structure comprises a first rod 1 and a second rod 2, the middle parts of the first rod 1 and the second rod 2 are hinged through a hinge shaft 3, a plurality of limiting teeth 4 are fixedly arranged on the side face of the first rod 1, the second rod 2 is hinged with one end of a supporting rod 5, the limiting teeth 4 and the second rod 2 are positioned on one side of a parallel pipeline axis, and the other end of the supporting rod 5 can be abutted with any one of the limiting teeth 4 and locked; the four clamping plates 6 are respectively and fixedly connected to the ends of the first rod 1 and the second rod 2.
This municipal administration water supply and drainage pipeline connection structure uses the junction of first pipeline 10 and second pipeline 11, two splint 6 are used for clieing first pipeline 10, two other splint 6 are used for clieing second pipeline 11, rotate bracing piece 5 to the direction that is close to articulated shaft 3, the tip butt of bracing piece 5 is to suitable spacing tooth 4 (until bracing piece 5 can not continue to rotate), the angle of first pole 1 and second pole 2 is locked, the centre gripping to first pipeline 10 and second pipeline 11 is formed to the cooperation of four splint 6 pairwise, the centre gripping produces frictional force, when first pipeline 10 and second pipeline 11 have the trend of downwarping, the frictional force that this device produced can restrict first pipeline 10 and second pipeline 11 and produce relative displacement, make the junction of first pipeline 10 and second pipeline 11 take place not to deform, simultaneously because this device is in the tight state in the use, the rigid structure of this device also can prevent that junction from taking place deformation.
Preferably, as shown in fig. 1, two clamping structures are respectively located at two sides of the four clamping plates 6, and the two clamping structures are fixedly connected with the ends of the four clamping plates 6.
The purpose is more stable in order to make this municipal administration water supply and drainage pipeline connection structure, and both sides atress is even, prevents that this device from taking place deformation.
Preferably, as shown in fig. 1, the ends of the four clamping plates 6 are rotatably connected to one end of a rotation shaft 7, the other end of the rotation shaft 7 is rotatably connected to the first rod 1 or the second rod 2, and the axis of the rotation shaft 7 is perpendicular to the length direction of the first rod 1 or the second rod 2.
The purpose is, in the aspect of the angle, four splint 6 all can fully laminate with first pipeline 10 and second pipeline 11, prevents that splint 6 from appearing the phenomenon of cocking limit, leads to the unstable problem of centre gripping.
Preferably, the municipal water supply and drainage pipeline connecting structure as shown in fig. 2-3 further comprises a caulking structure, wherein the caulking structure comprises a circular ring 8 and an arc plate 9, the circular ring 8 is sleeved on the first pipeline 10, one end face of the circular ring 8 is fixedly connected with a sealing gasket 12, and the sealing gasket 12 is abutted against the end face of the second pipeline 11; the other end face of the circular ring 8 is fixedly connected with an arc plate 9, one side, away from the circular ring 8, of the arc plate 9 is provided with a slope, and the slope can be abutted against a clamping plate 6.
For the node of the first pipeline 10 and the second pipeline 11, which have leaked, the device also has a centralizing function, so that the axes of the first pipeline 10 and the second pipeline 11 are straight lines, the sealing gasket 12 is abutted at the deformed gap, the circular ring 8 is rotated, the slope of the arc plate 9 is abutted and clamped with the clamping plate 6, and the arc plate 9 is subjected to the reverse thrust of the clamping plate 6 to enable the sealing gasket 12 to block the gap, thereby preventing continuous water leakage.
Preferably, as shown in fig. 2, a first threaded hole is formed in one surface of the clamping plate 6, which is close to the circular ring 8, the first threaded hole is in threaded connection with one end of the screw 13, the other end of the screw 13 can be in threaded fit with any one of a plurality of second threaded holes 14, and the plurality of second threaded holes 14 are formed on the slope; the threads at the two ends of the screw 13 are in opposite directions.
The above structure is designed in order to enable the arc plate 9 to adapt to the distances of different sizes (the distance between the end face of the clamping plate 6 positioned at one side of the first pipeline 10 and the end face of the second pipeline 11) and prevent the annular ring 8 from rotating and causing the gap to be incapable of being sealed; when the sealing gasket is used, the circular ring 8 is properly rotated, the corresponding second threaded hole 14 is selected according to the distance, the screw 13 is rotated and the corresponding second threaded hole 14 is screwed, and as the threads at the two ends of the screw 13 are reversely rotated, when the screw 13 is rotated in the forward direction, the screw 13 pulls the clamping plate 6 and the arc plate 9 to be close to each other, when the screw 13 is rotated in the reverse direction, the screw 13 pulls the clamping plate 6 and the arc plate 9 to be away from each other, so that the arc plate 9 is pushed to move, and the sealing gasket 12 can seal a gap.
Preferably, the cross section of the gasket 12 is triangular as shown in fig. 3, and the gasket 12 is fixed on one side of the end face of the ring 8, which is close to the inner wall of the ring 8.
In order to achieve a better sealing effect, the gasket 12 seals so as to be able to extend into the gap.
Preferably, the clamping plate 6 is an arc-shaped plate which can increase the contact area and make the stress uniform.
In order to increase the contact area between the clamping plate 6 and the first and second pipes 10, 11, the friction force is increased.
Preferably, the ring 8 is composed of two semi-rings, one ends of the two semi-rings are hinged, the other ends of the two semi-rings are detachably connected, the sealing gasket 12 is connected with the end face of the semi-ring, and the other end face of the semi-ring is fixedly connected with the arc plate 9.
In order to more conveniently sleeve the ring 8 on the first pipe 10, the detachable connection of the two half rings can be selected to be connected by a hanging connection and a bolt connection, and the specific structure is not limited.
The application method of the municipal water supply and drainage pipeline connecting structure comprises the following steps:
the municipal water supply and drainage pipeline connecting structure is used at the connecting joint of the first pipeline 10 and the second pipeline 11, and the corresponding second threaded hole 14 is selected, and the screw 13 is rotated forwards, so that the clamping plate 6 and the arc plate 9 are close to each other;
two clamping plates 6 are used for clamping the first pipeline 10, the other two clamping plates 6 are used for clamping the second pipeline 11, the supporting rod 5 is rotated towards the direction close to the hinge shaft 3, the end part of the supporting rod 5 is abutted against the proper limiting teeth 4 (until the supporting rod 5 cannot rotate continuously), the angle of the first rod 1 and the second rod 2 is locked, the four clamping plates 6 are matched pairwise to clamp the first pipeline 10 and the second pipeline 11, and friction force is generated during clamping;
meanwhile, the circular ring 8 is sleeved on the first pipeline 10, the circular ring 8 is properly rotated, the screw 13 is reversely rotated, the screw 13 pulls the clamping plate 6 and the arc plate 9 away from each other, the arc plate 9 is pushed to move, and the sealing gasket 12 seals the gap.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Municipal administration water supply and drainage pipeline connection structure, characterized by, include:
the clamping structure comprises a first rod (1) and a second rod (2), wherein the middle parts of the first rod (1) and the second rod (2) are hinged through a hinge shaft (3), a plurality of limiting teeth (4) are fixedly arranged on the side face of the first rod (1), the second rod (2) is hinged with one end of a supporting rod (5), the limiting teeth (4) and the second rod (2) are both positioned on one side parallel to the axis of a pipeline, and the other end of the supporting rod (5) can be abutted with any one of the limiting teeth (4) and locked;
the four clamping plates (6) are respectively and fixedly connected to the end parts of the first rod (1) and the second rod (2);
the municipal water supply and drainage pipeline connecting structure further comprises a caulking structure, the caulking structure comprises a circular ring (8) and an arc plate (9), the circular ring (8) is sleeved on the first pipeline (10), a sealing gasket (12) is fixedly connected to one end face of the circular ring (8), and the sealing gasket (12) is abutted to the end face of the second pipeline (11); the other end face of the circular ring (8) is fixedly connected with an arc plate (9), one side, far away from the circular ring (8), of the arc plate (9) is provided with a slope, and the slope can be abutted against a clamping plate (6).
2. The municipal water supply and drainage pipeline connecting structure according to claim 1, wherein the number of the clamping structures is two, the clamping structures are respectively positioned at two sides of the four clamping plates (6), and the two clamping structures are fixedly connected with the end parts of the four clamping plates (6).
3. The municipal water supply and drainage pipeline connecting structure according to claim 1, wherein the ends of the four clamping plates (6) are respectively and rotatably connected with one end of a rotating shaft (7), the other end of the rotating shaft (7) is rotatably connected with the first rod (1) or the second rod (2), and the axis of the rotating shaft (7) is perpendicular to the length direction of the first rod (1) or the second rod (2).
4. The municipal water supply and drainage pipeline connecting structure according to claim 1, wherein one surface of the clamping plate (6) close to the circular ring (8) is provided with a first threaded hole, the first threaded hole is screwed with one end of a screw rod (13), the other end of the screw rod (13) can be in threaded fit with any one of a plurality of second threaded holes (14), and the plurality of second threaded holes (14) are arranged on the slope; the threads at the two ends of the screw rod (13) are opposite in rotation direction.
5. The municipal water supply and drainage pipeline connecting structure according to claim 1, wherein the cross section of the sealing gasket (12) is triangular, and the sealing gasket (12) is fixed on one side of the end face of the circular ring (8) close to the inner wall of the circular ring (8).
6. Municipal water supply and drainage pipe connection according to claim 1, characterized in that the clamping plates (6) are arc-shaped plates which increase the contact area and make the stress uniform.
7. The municipal water supply and drainage pipeline connecting structure according to claim 1, wherein the circular ring (8) is composed of two semi-rings, one ends of the two semi-rings are hinged, the other ends of the two semi-rings are detachably connected, the sealing gasket (12) is connected with the end face of the semi-ring, and the other end face of the semi-ring is fixedly connected with the arc plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191820.8A CN114542820B (en) | 2022-02-28 | 2022-02-28 | Municipal administration water supply and drainage pipeline connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210191820.8A CN114542820B (en) | 2022-02-28 | 2022-02-28 | Municipal administration water supply and drainage pipeline connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114542820A CN114542820A (en) | 2022-05-27 |
| CN114542820B true CN114542820B (en) | 2023-08-22 |
Family
ID=81661678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210191820.8A Active CN114542820B (en) | 2022-02-28 | 2022-02-28 | Municipal administration water supply and drainage pipeline connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114542820B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0726417A1 (en) * | 1995-02-10 | 1996-08-14 | Serap Industries | Coupling device for quick coupling of two pipes |
| CN202561310U (en) * | 2012-04-12 | 2012-11-28 | 北京市自来水集团禹通市政工程有限公司 | Pipe installation connecting device |
| KR20170082268A (en) * | 2016-01-06 | 2017-07-14 | 허병욱 | Clamp for connecting water pipes |
| CN208266690U (en) * | 2018-04-17 | 2018-12-21 | 浙江华铁建筑安全科技股份有限公司 | A kind of bridge support connecting frame facilitating adjusting |
| CN213064873U (en) * | 2020-08-14 | 2021-04-27 | 江苏仁泽环境科技有限公司 | Ventilation pipe fastening device |
| CN214296046U (en) * | 2021-02-07 | 2021-09-28 | 四川远宏济建设工程有限公司 | Pipe conveying device for municipal water supply and drainage |
| CN215052274U (en) * | 2021-04-19 | 2021-12-07 | 山西临汾市政工程集团股份有限公司 | Multiple anti-leakage reinforced concrete pipe culvert |
| CN215394708U (en) * | 2021-06-25 | 2022-01-04 | 无锡沃德汽车零部件有限公司 | Binding clip, clamp release pincers and clamp subassembly |
-
2022
- 2022-02-28 CN CN202210191820.8A patent/CN114542820B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0726417A1 (en) * | 1995-02-10 | 1996-08-14 | Serap Industries | Coupling device for quick coupling of two pipes |
| CN202561310U (en) * | 2012-04-12 | 2012-11-28 | 北京市自来水集团禹通市政工程有限公司 | Pipe installation connecting device |
| KR20170082268A (en) * | 2016-01-06 | 2017-07-14 | 허병욱 | Clamp for connecting water pipes |
| CN208266690U (en) * | 2018-04-17 | 2018-12-21 | 浙江华铁建筑安全科技股份有限公司 | A kind of bridge support connecting frame facilitating adjusting |
| CN213064873U (en) * | 2020-08-14 | 2021-04-27 | 江苏仁泽环境科技有限公司 | Ventilation pipe fastening device |
| CN214296046U (en) * | 2021-02-07 | 2021-09-28 | 四川远宏济建设工程有限公司 | Pipe conveying device for municipal water supply and drainage |
| CN215052274U (en) * | 2021-04-19 | 2021-12-07 | 山西临汾市政工程集团股份有限公司 | Multiple anti-leakage reinforced concrete pipe culvert |
| CN215394708U (en) * | 2021-06-25 | 2022-01-04 | 无锡沃德汽车零部件有限公司 | Binding clip, clamp release pincers and clamp subassembly |
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| Publication number | Publication date |
|---|---|
| CN114542820A (en) | 2022-05-27 |
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