CN221034488U - Municipal administration is connection structure for water supply and drainage pipeline - Google Patents
Municipal administration is connection structure for water supply and drainage pipeline Download PDFInfo
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- CN221034488U CN221034488U CN202322923651.5U CN202322923651U CN221034488U CN 221034488 U CN221034488 U CN 221034488U CN 202322923651 U CN202322923651 U CN 202322923651U CN 221034488 U CN221034488 U CN 221034488U
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- ratchet
- drainage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 230000008878 coupling Effects 0.000 claims abstract 3
- 238000010168 coupling process Methods 0.000 claims abstract 3
- 238000005859 coupling reaction Methods 0.000 claims abstract 3
- 238000007789 sealing Methods 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 13
- 230000007704 transition Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000009440 infrastructure construction Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 229910001141 Ductile iron Inorganic materials 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to the technical field of municipal engineering, and particularly discloses a connecting structure for municipal water supply and drainage pipelines. Including sleeve pipe and setting up the clamping piece at the sleeve pipe both ends, each clamping piece can dismantle respectively with the sleeve pipe and be connected, the pipe wall of the one end of the water supply and drainage pipeline of sleeve pipe connection minor diameter includes inner wall and outer wall, be equipped with the extrusion piece between inner wall and the outer wall, the extrusion piece is including rotating the mounting panel of connecting between inner wall and outer wall and installing the ring gear in mounting panel one side, the outer wall is close to inner wall one side week end rotation and is connected with a plurality of gears with the ring gear meshing, each the gear coaxial coupling has the screw rod respectively, and the one end and the inner wall threaded connection of each screw rod have the kicking block with inner wall threaded connection and pass the inner wall connection, it has the notch that runs through to open on the outer wall, be equipped with the retaining member in the notch. Solves the problems of unstable connection and even detachment of the small-diameter pipeline caused by the traditional reducing pipeline connection structure.
Description
Technical Field
The application relates to the technical field of municipal engineering, and particularly discloses a connecting structure for municipal water supply and drainage pipelines.
Background
Municipal water supply and drainage refers to infrastructure construction and operation management work such as water supply and drainage related to urban infrastructure construction, and comprises a water supply system for providing clean drinking water for urban residents and a drainage system for discharging wastewater, and plays a vital role in the quality of life of the urban residents and the development of cities. In the construction of municipal water supply and drainage, municipal water supply and drainage pipelines play an important role in conveying water, and the pipelines can be divided into PVC pipes, spheroidal graphite cast iron pipes, galvanized steel pipes, corrugated pipes, plastic-composite metal pipes and the like according to different materials. In long-distance transportation, pipelines are connected through a connecting structure, and the development of the reducing pipeline connecting structure for municipal water supply and drainage pipelines is particularly important because the diameters of the pipelines are different.
In the prior art, the utility model patent with the patent publication number of CN 215488303U discloses a reducing pipeline connecting structure, which comprises a first connecting pipe and a second connecting pipe, wherein one end of the second connecting pipe is provided with a conical transition pipe, one end of the first connecting pipe, which is close to the second connecting pipe, is provided with a through hole for the transition pipe to be inserted into the first connecting pipe, the transition pipe is in sealed sliding connection with the first connecting pipe through a slip ring arranged at the end head, the other end of the first connecting pipe is sleeved outside the first pipeline, a sealing structure is arranged on the inner wall of the first connecting pipe, the first connecting pipe is in locking connection with the first pipeline through a clamp, the outer part of the second connecting pipe is sleeved with a locking cap, a limiting plate with a limiting effect on the locking cap is arranged on the second connecting pipe, and the second connecting pipe is in threaded connection with the second pipeline through the locking cap. When the device is used, the large-diameter connecting pipe I is connected with the large-diameter pipeline I, the small-diameter connecting pipe II is connected with the small-diameter pipeline II, and water can circulate between the pipeline I and the pipeline II through the connecting structure. However, in practice, when the small-diameter pipeline II is located at the downstream and the large-diameter pipeline I is located at the upstream, the cross section of the pipeline is reduced when water flows into the pipeline II from the pipeline I, the water flow speed is increased, the impact force of the water on the pipeline II is increased, especially at the joint of the pipeline II and the connecting structure, the connection between the pipeline II and the connecting structure is unstable due to corrosion of the water and the daily and repeated flushing, so that the water leakage phenomenon occurs at the joint of the pipeline II, and even the problem that the pipeline II is separated from the connecting structure is caused.
Accordingly, the present inventors have found that a connection structure for municipal water supply and drainage pipelines is provided to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to solve the problems that when the water supply and drainage pipeline with small diameter is positioned at the downstream and the water supply and drainage pipeline with large diameter is positioned at the upstream, the cross section of the water supply and drainage pipeline is reduced, the flow speed of water body is accelerated, the impact force of the water body on the water supply and drainage pipeline with small diameter is increased, and the connection between the water supply and drainage pipeline with small diameter and the connection structure is unstable and even the detachment is caused.
In order to achieve the above purpose, the basic scheme of the utility model provides a connecting structure for municipal water supply and drainage pipelines, which comprises a sleeve pipe for connecting water supply and drainage pipelines with different diameters and clamping pieces which are arranged at two ends of the sleeve pipe and are respectively used for fixing the water supply and drainage pipelines and the sleeve pipe, wherein each clamping piece is detachably connected with the sleeve pipe, the pipe wall of one end of the sleeve pipe connected with the water supply and drainage pipeline with a small diameter comprises an inner wall and an outer wall, an extrusion piece for secondarily fixing the water supply and drainage pipelines with a small diameter is arranged between the inner wall and the outer wall, the extrusion piece comprises a mounting plate and a gear ring, the mounting plate is rotatably connected between the inner wall and the outer wall, the gear ring is rotatably connected with a plurality of gears meshed with the gear ring, each gear is coaxially connected with a screw rod, one end of each screw rod penetrates through the gears and the outer wall in a sliding manner, the other end of each screw rod is in threaded connection with the inner wall and penetrates through the inner wall, a penetrating notch is formed in the outer wall, and a handle fixedly connected with the side wall of the mounting plate and a locking piece used for controlling the movement of the handle are arranged in the notch.
The principle and effect of this basic scheme lie in:
1. According to the utility model, the extrusion piece is arranged, so that the gear ring can rotate when the handle is rotated, the gear ring can drive each gear to rotate while rotating, each screw rod is driven to rotate while each gear rotates, and each screw rod can move on the inner wall, so that the ejector block moves, and the ejector block can squeeze and clamp the pipeline in the second sleeve, thereby realizing secondary fixation of the water supply and drainage pipeline with small diameter.
2. According to the utility model, the locking piece is arranged, so that the movement of the handle can be controlled, and the displacement of the handle is prevented from affecting the secondary fixing effect of the extrusion piece.
Compared with the prior art, the sleeve can be fixedly connected with water supply and drainage pipelines with different diameters by arranging the clamping piece, so that the connection of the reducing pipelines is realized; through setting up the extrusion piece, alright make the kicking block carry out the secondary to the water supply and drainage pipeline of minor diameter through rotating the handle to improved the connection stability between water supply and drainage pipeline of minor diameter and the sleeve pipe, effectively prevented that water leakage, break away from etc. from appearing because of connecting unstable water supply and drainage pipeline of minor diameter, set up the extrusion piece between sheathed tube outer wall and inner wall simultaneously, can prevent the corrosion of rainwater to the extrusion piece, thereby improved the fixed effect and the life of extrusion piece; the locking control to the handle can be realized through setting up the retaining member, prevents that the handle from shifting and influencing the fixed effect of extrusion piece.
Further, the sleeve comprises a first sleeve for connecting a large-diameter water supply and drainage pipeline, a second sleeve for connecting a small-diameter water supply and drainage pipeline, and a conical connecting sleeve arranged between the first sleeve and the second sleeve. By arranging the first sleeve, the second sleeve and the connecting sleeve, the first sleeve can be fixedly connected with a large-diameter water supply and drainage pipeline and the second sleeve can be fixedly connected with a small-diameter water supply and drainage pipeline through the clamping piece, so that the connection of the reducing pipelines is realized; meanwhile, the arrangement of the connecting sleeve can play a role in drainage transition between the first sleeve and the second sleeve, so that the phenomenon that the water flow speed is extremely accelerated due to suddenly reduced water flow cross section is prevented, and the impact force of water on the second sleeve is reduced.
Further, the clamping pieces comprise arc clamps which are symmetrically arranged and detachably connected, and cavities matched with the water supply and drainage pipelines are formed between the arc clamps. The arc clamps are sleeved at the joint of the first sleeve and the large-diameter pipeline and the joint of the second sleeve and the small-diameter pipeline respectively, and then the arc clamps are detachably connected together, so that the clamping and fixing can be realized, the fixing effect is good, the disassembly is convenient, and the later maintenance is convenient.
Further, one of the arc clamps is provided with a bolt which sequentially penetrates through each arc clamp, the free end of the bolt is in threaded connection with a nut, and a rain shield hinged with one of the arc clamps is arranged right above the bolt. The bolts and nuts are adopted for connection, installation and disassembly are convenient, and the operation is convenient; meanwhile, the rainwater can be prevented from corroding the bolts and the nuts through the arrangement of the rain shield, so that the service lives of the bolts and the nuts are prolonged, and the later maintenance is facilitated.
Further, rubber sealing rings are arranged on the inner sides of the arc-shaped clamps. The sealing effect of the arc clamp can be improved by arranging the rubber sealing ring, and the arc clamp is prevented from leaking water.
Further, the locking piece comprises a first ratchet arranged on the side wall of one side of the notch, the inclination direction of the first ratchet is opposite to the moving direction of the handle when the extrusion piece is extruded and fixed, and one side, close to the first ratchet, of the handle is hinged with a first pawl matched with the first ratchet. The first pawl is rotated to enable the first pawl to be far away from the first ratchet, the handle can be moved, when the handle moves to a proper position, the first pawl is rotated to enable the first pawl to be inserted into the first ratchet, and accordingly the handle is prevented from rotating reversely, and the fixing effect of the extrusion piece is guaranteed.
Further, the locking piece further comprises a second ratchet arranged on the side wall of the other side of the notch, the second ratchet is arranged in parallel with the first ratchet, the inclination direction of the second ratchet is opposite to that of the first ratchet, and a second pawl matched with the second ratchet is hinged to one side, close to the second ratchet, of the handle. The second pawl is rotated to enable the second pawl to be far away from the second ratchet, the handle can be moved, when the handle moves to a proper position, the second pawl is rotated to enable the second pawl to be inserted into the second ratchet, and then the second pawl and the first ratchet are matched, so that the movement of the handle can be controlled from two directions, the handle is fixed, and the locking effect of the locking piece is improved.
Further, a wave-shaped flow blocking plate is arranged on the inner side of the pipe wall of the connecting sleeve. The flow resistance can be generated to the flow of the water body through the arrangement of the flow blocking plate, so that the flow speed of the water body is reduced, the impact force of the water body on the pipeline in the second sleeve is reduced, and the stability of the connection of the second sleeve is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram of a connection structure for municipal water supply and drainage pipelines according to an embodiment of the application;
FIG. 2 shows a schematic structural view of a clamping member of a connecting structure for municipal water supply and drainage pipelines according to an embodiment of the application;
FIG. 3 is a cross-sectional view of a second sleeve of a municipal water supply and drainage pipe connection structure according to an embodiment of the application;
Fig. 4 shows a top view of a locking member of a connection structure for municipal water supply and drainage pipelines according to an embodiment of the application.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
Reference numerals in the drawings of the specification include: the first sleeve 1, the second sleeve 2, the connecting sleeve 3, the first pipeline 4, the second pipeline 5, the clamping piece 6, the handle 7, the first ratchet 8, the gear ring 9, the gear 10, the screw 11, the top block 12, the second pawl 13, the first pawl 14, the arc-shaped clamp 15, the second ratchet 16, the rain shield 17, the mounting plate 18, the inner wall 19 and the outer wall 20.
A connection structure for municipal water supply and drainage pipelines is shown in FIG. 1: the water supply and drainage pipeline connecting device comprises a sleeve pipe for connecting water supply and drainage pipelines with different diameters, wherein the sleeve pipe comprises a first sleeve pipe 1 for connecting a first pipeline 4 with a large diameter, a second sleeve pipe 2 for connecting a second pipeline 5 with a small diameter, and a connecting sleeve pipe 3 arranged between the first sleeve pipe 1 and the second sleeve pipe 2 in a conical shape, and a flow blocking plate which is wavy is arranged on the inner side of the pipe wall of the connecting sleeve pipe 3.
As shown in fig. 1, the free ends of the first sleeve 1 and the second sleeve 2 are detachably connected with clamping pieces 6 for fixing the first pipeline 4 and the first sleeve 1, and the second pipeline 5 and the second sleeve 2 respectively. As shown in fig. 2, the clamping pieces 6 comprise arc clamps 15 which are vertically symmetrically arranged, rubber sealing rings are respectively arranged on the inner sides of the two arc clamps 15, a cavity which is matched with the first pipeline 4 or the second pipeline 5 is formed between the two arc clamps 15, the two arc clamps 15 are detachably connected, bolts which sequentially penetrate through the two arc clamps 15 are arranged on the arc clamps 15 above, nuts are connected with the free ends of the bolts in a threaded manner, and a rain shield 17 which is hinged with the arc clamps 15 above is arranged right above the bolts. When the utility model is used, the two arc clamps 15 of one clamping piece 6 are respectively sleeved on the upper side and the lower side of the joint of the first sleeve pipe 1 and the first pipeline 4, the two arc clamps 15 of the other clamping piece 6 are respectively sleeved on the upper side and the lower side of the joint of the second sleeve pipe 2 and the second pipeline 5, and the corresponding arc clamps 15 are detachably connected together by bolts and nuts, so that the clamping and fixing of the first pipeline 4 and the first sleeve pipe 1 and the second pipeline 5 and the second sleeve pipe 2 can be realized, the fixing effect is good, the disassembly is convenient, and the later maintenance is convenient.
As shown in fig. 3, the pipe wall of the second sleeve 2 comprises an inner wall 19 and an outer wall 20, an extrusion part for secondarily fixing the second pipeline 5 is arranged between the inner wall 19 and the outer wall 20, the extrusion part comprises a mounting plate 18 rotatably connected between the inner wall 19 and the outer wall 20, a gear ring 9 is mounted on the front side of the mounting plate 18, a plurality of gears 10 meshed with the gear ring 9 are rotatably connected to the peripheral end of one side of the outer wall 20, which is close to the inner wall 19, in the embodiment, the number of the gears 10 is 6, each gear 10 is coaxially connected with a screw rod 11, one end of each screw rod 11 passes through the gear 10 and is slidably connected with the outer wall 20, and the other end of each screw rod 11 is in threaded connection with the inner wall 19 and is connected with a top block 12 through the inner wall 19. When the utility model is used, the gear ring 9 is rotated when the handle 7 is rotated, the gears 10 can be driven to rotate while the gear ring 9 rotates, the screws 11 are driven to rotate while the gears 10 rotate, the screws 11 can move on the inner wall 19, so that the top block 12 moves, the top block 12 can squeeze and clamp the second pipeline 5, and the secondary fixing of the second pipeline 5 is realized.
As shown in fig. 1, the outer wall 20 is provided with a through slot, and a handle 7 fixedly connected with the side wall of the mounting plate 18 and a locking member for controlling the handle 7 to move are arranged in the slot. As shown in fig. 4, the locking member includes a first ratchet 8 installed on the left side wall of the slot and a second ratchet 16 installed on the right side wall of the slot, the inclination direction of the first ratchet 8 is opposite to the moving direction of the handle 7 when the pressing member is pressed and fixed, the second ratchet 16 is disposed in parallel with the first ratchet 8 and the inclination direction of the second ratchet 16 is opposite to the inclination direction of the first ratchet 8, a first pawl 14 adapted to the first ratchet 8 is hinged to the left side of the handle 7, and a second pawl 13 adapted to the second ratchet 16 is hinged to the right side of the handle 7. When the utility model is used, the first pawl 14 and the second pawl 13 are rotated, so that the first pawl 14 is far away from the first ratchet 8, the second pawl 13 is far away from the second ratchet 16, the handle 7 can be moved, when the handle 7 moves to a proper position, the first pawl 14 is rotated to be inserted into the first ratchet 8, the second pawl 13 is rotated to be inserted into the second ratchet 16, and the movement of the handle 7 can be controlled from two directions, so that the handle 7 is fixed.
When the utility model is used, the large-diameter first pipeline 4 is inserted into the first sleeve 1, then two arc plates of the clamping piece 6 matched with the first pipeline 4 are respectively arranged on two sides of the joint of the first pipeline 4 and the first sleeve 1, then the two arc plates are detachably connected by adopting bolts and nuts, the arc plates tightly fix the first pipeline 4 and the first sleeve 1 together, and then the second pipeline 5 and the second sleeve 2 are tightly fixed together by adopting the clamping piece 6 matched with the small-diameter second pipeline 5 according to the same steps, so that the linkage between the first pipeline 4 and the second pipeline 5 is realized.
Then the first pawl 14 and the second pawl 13 are rotated to enable the first pawl 14 and the second pawl 13 to be far away from the first ratchet 8 and the second ratchet 16 respectively, then the handle 7 is rotated to enable the mounting plate 18 to rotate, the gear ring 9 can be driven to rotate while the mounting plate 18 rotates, the gear ring 9 rotates to drive each gear 10 to rotate, movement of each screw 11 is achieved, each screw 11 moves and simultaneously drives each ejector block 12 to push to one side of the second pipeline 5, and accordingly secondary fixing of the second pipeline 5 is achieved. After the second tube 5 is secured in place, the first pawl 14 is rotated to be inserted into the first ratchet 8 and the second pawl 13 is rotated to be inserted into the second ratchet 16, thereby effecting locking of the handle 7 and preventing movement of the handle 7.
According to the utility model, through arranging the clamping piece 6, the sleeve can be fixedly connected with water supply and drainage pipelines with different diameters, so that the connection of the reducing pipelines is realized; through arranging the extrusion piece, the top block 12 can be used for secondarily fixing the small-diameter water supply and drainage pipeline by rotating the handle 7, so that the connection stability between the small-diameter water supply and drainage pipeline and the sleeve is improved, the phenomena of water leakage, separation and the like of the small-diameter water supply and drainage pipeline due to unstable connection are effectively prevented, meanwhile, the extrusion piece is arranged between the outer wall 20 and the inner wall 19 of the sleeve, corrosion of rainwater to the extrusion piece can be prevented, and the fixing effect and the service life of the extrusion piece are improved; the locking control of the handle 7 can be realized by arranging the locking piece, and the handle 7 is prevented from shifting to influence the fixing effect of the extrusion piece.
The present utility model is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present utility model.
Claims (8)
1. Connecting structure for municipal water supply and drainage pipelines, which is characterized in that: including the sleeve pipe that is used for connecting each water supply and drainage pipeline of different diameters and set up at the sleeve pipe both ends and be used for fixing each water supply and drainage pipeline and sheathed tube clamping piece respectively, each clamping piece can dismantle respectively with the sleeve pipe and be connected, the pipe wall of the one end of the water supply and drainage pipeline of sleeve pipe connection minor diameter includes inner wall and outer wall, be equipped with the extrusion piece that is used for carrying out the secondary fixation to the water supply and drainage pipeline of minor diameter between inner wall and the outer wall, the extrusion piece is including rotating the mounting panel of connecting between inner wall and outer wall and installing the ring gear in mounting panel one side, the outer wall is close to inner wall one side week end rotation and is connected with a plurality of gears with the ring gear meshing, each the gear coaxial coupling has the screw rod respectively, each one end of screw rod passes gear and outer wall sliding connection, and inner wall threaded connection and pass the kicking block that the inner wall is used for the extrusion pipeline, open on the outer wall has the notch that runs through, be equipped with the handle and the retaining member that is used for the control handle to remove with the lateral wall rigid coupling of mounting panel in the notch.
2. The connection structure for municipal water supply and drainage pipes according to claim 1, wherein the sleeve comprises a first sleeve for connecting a water supply and drainage pipe of a large diameter, a second sleeve for connecting a water supply and drainage pipe of a small diameter, and a connection sleeve provided between the first sleeve and the second sleeve in a tapered shape.
3. The connecting structure for municipal water supply and drainage pipelines according to claim 1, wherein the clamping pieces comprise arc clamps which are symmetrically arranged and detachably connected, and a cavity matched with each water supply and drainage pipeline is formed between each arc clamp.
4. A municipal administration water supply and drainage pipeline connection structure according to claim 3, wherein one of the arc clamps is provided with a bolt penetrating through each arc clamp in turn, the free end of the bolt is connected with a nut in a threaded manner, and a rain shield hinged with one of the arc clamps is arranged right above the bolt.
5. A municipal water supply and drainage pipeline connection structure according to claim 3, wherein each arc clamp is provided with a rubber sealing ring on the inner side.
6. The connection structure for municipal water supply and drainage pipelines according to claim 1, wherein the locking member comprises a first ratchet installed on the side wall of one side of the notch, the inclination direction of the first ratchet is opposite to the moving direction of the handle when the extrusion member is extruded and fixed, and a first pawl matched with the first ratchet is hinged on one side of the handle close to the first ratchet.
7. The connection structure for municipal water supply and drainage pipelines according to claim 6, wherein the locking member further comprises a second ratchet installed on the side wall of the other side of the notch, the second ratchet is arranged in parallel with the first ratchet and opposite to the first ratchet in inclination direction, and a second pawl matched with the second ratchet is hinged on one side of the handle close to the second ratchet.
8. The connecting structure for municipal water supply and drainage pipelines according to claim 2, wherein the inner side of the pipe wall of the connecting sleeve is provided with a wave-shaped flow blocking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322923651.5U CN221034488U (en) | 2023-10-31 | 2023-10-31 | Municipal administration is connection structure for water supply and drainage pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322923651.5U CN221034488U (en) | 2023-10-31 | 2023-10-31 | Municipal administration is connection structure for water supply and drainage pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221034488U true CN221034488U (en) | 2024-05-28 |
Family
ID=91176652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322923651.5U Active CN221034488U (en) | 2023-10-31 | 2023-10-31 | Municipal administration is connection structure for water supply and drainage pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221034488U (en) |
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2023
- 2023-10-31 CN CN202322923651.5U patent/CN221034488U/en active Active
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