CN110822180A - Wall pipe assembly - Google Patents
Wall pipe assembly Download PDFInfo
- Publication number
- CN110822180A CN110822180A CN201911237601.3A CN201911237601A CN110822180A CN 110822180 A CN110822180 A CN 110822180A CN 201911237601 A CN201911237601 A CN 201911237601A CN 110822180 A CN110822180 A CN 110822180A
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- pipe fitting
- sleeve
- water
- wall
- pipe
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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
- F16L5/12—Sealing the pipe being cut in two pieces
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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
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses a wall pipe assembly, which comprises a first pipe fitting, a second pipe fitting and a sleeve, wherein the sleeve is arranged in a wall body in a penetrating mode, two ends of the sleeve extend out of the surface of the wall body, the peripheral surface of the sleeve is in a sawtooth shape, a water stop ring is arranged in the middle of the peripheral surface, and a sealing material is arranged between the peripheral surface of the sleeve positioned at the two ends and the surface of the wall body; be equipped with the screw hole in the sleeve, first pipe fitting and second pipe fitting respectively with telescopic both ends threaded connection, first pipe fitting closely contradicts with the second pipe fitting and forms the interlocking, and the position that first pipe fitting contradicts with the second pipe fitting is equipped with water-swelling sealing material. The invention has the following beneficial effects: the peripheral surface of the sleeve is in a sawtooth shape, so that the leakage path is increased, the leakage probability is reduced, and the connection firmness of the sleeve and the wall body is improved; first pipe fitting and second pipe fitting and sleeve threaded connection, the leakproofness is good, and the simple installation is saved labour and time, and is equipped with between first pipe fitting and the second pipe fitting and meets water inflation sealing material, further reduces the seepage probability.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a wall penetrating pipe assembly.
Background
In the building construction process, a wall pipe assembly is required to be arranged as a pipeline for water drainage and pollution discharge in the future life, referring to fig. 1, in the prior art, the wall pipe assembly is generally divided into two parts, namely a sleeve 1, namely an embedded part and a pipe 2, namely a pipeline which directly penetrates through the middle of the embedded part in the later period, the surface of the sleeve 1 is generally smooth at present, a water stop ring 1.1 is attached to the middle of the sleeve 1, and the water stop ring 1.1 aims to prolong the leakage path of leakage water, so that the leakage probability is reduced; during the construction, install the built-in fitting earlier and fix on the reinforcing bar net piece of side wall, then install the side wall template, concreting, demolish the side wall template after the concrete reaches design strength, with remaining concrete of built-in fitting entrance to a pipe and impurity clean up, later insert poling 2 in sleeve 1, fill in filler material 3 with the clearance between poling 2 and sleeve 1 simultaneously, if: materials such as rubber circle, pitch, sealant, indoor mouth of pipe department adopts ring flange 4 installation fixed, adopts sealing material between the surface of outdoor sleeve 1 and the surface of wall body, if: sealing with a sealant 5, a sealant paste and other materials; and after the wall pipe construction is finished, constructing a waterproof layer, then constructing a protective layer and finally backfilling earthwork.
However, there are several drawbacks to existing wall tubing assemblies: 1. the surface of the outdoor sleeve 1 and the surface of the wall body are sealed by adopting a sealing material, the sealing material is easy to age after being used for a period of time, and once the sealing material ages, leakage water can pass through the sealing material to leak; 2. the surface of the sleeve 1 is smooth, the engaging force between the sleeve 1 and concrete is small, the smooth and straight surface leakage path of the sleeve 1 is short, and the leakage probability can be improved even if the sleeve 1 is provided with the water stop ring 1.1; 3. a gap exists between the sleeve 1 and the through pipe 2, later filling and sealing are needed, the situation of incomplete filling is inevitable due to the fact that manual filling is adopted and specific filling conditions inside cannot be seen, leakage is easy to cause, in addition, manual secondary filling is needed, and construction is complicated; 4. because the wall penetrating pipe is positioned at the node part, the later-stage stress is large, and fillers in the gap between the embedded part and the penetrating pipe 2 are easily extruded and deformed, so that later-stage leakage is caused.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a through-wall pipe assembly which comprises a sleeve, a first pipe fitting and a second pipe fitting, and has the advantages of reducing the leakage probability of water leakage, ensuring firm connection between the sleeve and a wall body due to strong biting force between the sleeve and concrete, ensuring better and more precise sealing effect at an interface due to the combination of rigid materials and flexible materials, along with simplicity and convenience in installation and labor saving.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a wall pipe assembly comprises a first pipe fitting, a second pipe fitting and a sleeve, wherein the sleeve is arranged in a wall body in a penetrating mode, two ends of the sleeve extend out of the surface of the wall body, the peripheral surface of the sleeve, namely the surface of the sleeve, which is abutted against the wall body, is in a sawtooth shape, a water stop ring is arranged in the middle of the peripheral surface, and a sealing material is arranged between the peripheral surface of the sleeve, which is positioned at two ends, and the surface of the wall body; be equipped with the screw hole in the sleeve, first pipe fitting with telescopic one end threaded connection, the second pipe fitting with telescopic other end threaded connection, first pipe fitting with the second pipe fitting forms the interlocking after closely supporting, just first pipe fitting with the position that the second pipe fitting contradicts is equipped with water-swelling stagnant water material.
Preferably, the peripheral surface is provided with rectangular saw teeth, and the rectangular saw teeth can prolong the leakage path of leakage water from the outer side of the wall body to the inner side of the wall body through the peripheral surface, so that the leakage probability of the leakage water is reduced; on the other hand, the rectangular saw teeth increase the contact area between the sleeve and the concrete, and improve the biting force between the sleeve and the concrete, so that the connection firmness between the sleeve and the wall body is improved.
Preferably, one end of the first pipe fitting connected with the sleeve is provided with a first external thread matched with the threaded hole of the sleeve, one end of the second pipe fitting connected with the sleeve is provided with a second external thread matched with the threaded hole of the sleeve, the axial lengths of the first external thread and the second external thread are both half of the length of the sleeve, and the turning directions of the first external thread and the second external thread are opposite; the end face of one end, connected with the sleeve, of the first pipe fitting is provided with a first convex ring, the end face of one end, connected with the sleeve, of the second pipe fitting is provided with a second convex ring, the first convex ring is embedded into the second convex ring, the outer wall of the first convex ring is provided with the water swelling and water stopping material, and the end face of the second convex ring abuts against the water swelling and water stopping material to enable the first pipe fitting and the second pipe fitting to be interlocked; and the second bulge loop closely contradicts behind the water inflation sealing material, because first external screw thread with the second external screw thread revolve to different, if work as when first pipe fitting is along the direction rotating of unscrewing, drive through the transmission of power second pipe fitting is along the direction rotating of screwing, thereby the restriction the rotating of first pipe fitting, the principle is the same otherwise, make first pipe fitting with second pipe fitting interlocking guarantees first pipe fitting reaches the second pipe fitting with stability behind the muffjoint.
Preferably, the inner wall of the second convex ring is provided with a rubber ring, the end face of the first convex ring is abutted against the rubber ring, and through the arrangement, the interlocking strength between the first pipe fitting and the second pipe fitting is improved on one hand through the combination of a rigid material, namely the first convex ring and a flexible material, namely the rubber ring; on the other hand, the leakage of the fluid in the first pipe fitting and the second pipe fitting is avoided, and the sealing effect of the joint of the first pipe fitting and the second pipe fitting is ensured to be tighter and more reliable.
Preferably, the first convex ring and the second convex ring are in interference fit, and through the arrangement, on one hand, the interlocking strength of the first pipe fitting and the second pipe fitting is further ensured; on the other hand, the leakage of the fluid in the first pipe fitting and the second pipe fitting is further avoided.
Preferably, the ratio of the outer diameter of the water stop ring to the thickness of the wall body ranges from 1:5 to 1:3, and the water stop ring is arranged to increase the leakage path of leakage water from the outer side of the wall body to the inner side of the wall body through the water stop ring, so that the leakage probability of the leakage water is reduced; the ratio of the outer diameter of the water stop ring to the thickness of the wall body ranges from 1:3 to 1:5, the sleeve is conveniently pre-installed in the reinforcing mesh sheet, meanwhile, the leakage path of the leakage water is improved to the greatest extent, and the leakage probability of the leakage water is reduced; if the ratio of the outer diameter of the water stop ring to the thickness of the wall body is smaller than 1:5, namely the outer diameter of the water stop ring is smaller, the path of water leakage is shortened, and the condition of avoiding water leakage cannot be well guaranteed; if the ratio of the outer diameter of the water stop ring to the thickness of the wall body is larger than 1:3, namely the outer diameter of the water stop ring is larger, although the situation of water leakage can be well avoided, the sleeve is inconvenient to be pre-installed in the reinforcing mesh sheet.
As preferred, water-swelling stagnant water material is water-swelling rubber, through setting up like this, water-swelling rubber contact inflation after the percolating water, prevents the percolating water and continues the seepage, and the second bulge loop with the combination of water-swelling rubber not only further improves first pipe fitting with the leakproofness, the reliability of the sealed effect of second pipe fitting kneck, but also further improves the interlocking intensity between first pipe fitting and the second pipe fitting.
Preferably, the sealing material is a sealant or a sealing paste.
Compared with the prior art, the invention has the beneficial technical effects that:
1. the peripheral surface of the sleeve is in a sawtooth shape, on one hand, the leakage path of the peripheral surface through which leakage water leaks from the outer side of the wall to the inner side of the wall is increased, and therefore the leakage probability is reduced; on the other hand, the contact area between the sleeve and the concrete is increased, the biting force between the sleeve and the concrete is improved, and the firmness of connection between the sleeve and the wall body is improved.
2. The position that first pipe fitting with the second pipe fitting is contradicted is equipped with and meets water inflation stagnant water material, works as meet water inflation stagnant water material and take place the inflation when contact percolating water, prevent further seepage of percolating water to the further seepage probability has been reduced.
3. The sleeve is internally provided with a threaded hole, so that the first pipe fitting and the second pipe fitting can be fixedly connected with the sleeve through threaded fit in the later period, the first pipe fitting tightly abuts against the second pipe fitting to form interlocking, the stability of connection between the first pipe fitting and the sleeve and the second pipe fitting is ensured, no gap exists between the first pipe fitting and the sleeve and between the second pipe fitting and the sleeve, and the first pipe fitting and the second pipe fitting do not need to be filled with materials in the later period, so that the sleeve is simple and convenient to install, and labor and force are saved.
4. First bulge loop embedding behind the second bulge loop, the terminal surface of first bulge loop is closely contradicted the rubber circle, the terminal surface of second bulge loop is closely contradicted meet water inflation stagnant water material, through the combination of rigid material and flexible material, not only improves first pipe fitting with interlocking intensity between the second pipe fitting makes moreover first pipe fitting with the sealed effect of second pipe fitting kneck is tighter reliable.
Drawings
FIG. 1 is a schematic illustration of a background art embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of a completed construction of an embodiment of the present invention;
FIG. 3 is a cross-sectional schematic view of a sleeve of an embodiment of the present invention;
FIG. 4 is a schematic view of a first tubular member of an embodiment of the present invention;
fig. 5 is a schematic view of a second tube member of an embodiment of the invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. a sleeve; 1.1, a water stop ring; 1.2, a threaded hole; 1.3, rectangular saw teeth; 2. pipe penetration; 3. a filler material; 4. a flange plate; 5. sealing glue; 6. a first pipe member; 61. a first convex ring; 6.2, a first external thread; 7. a second pipe member; 7.1, a second convex ring; 7.2, a second external thread; 8. water-swellable rubber; 9. a rubber ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 2-5, the embodiment discloses a wall pipe assembly, which includes a first pipe 6, a second pipe 7 and a sleeve 1, wherein the sleeve 1 is used as an embedded part to be inserted into a wall body, and both ends of the sleeve 1 extend out of the surface of the wall body, the circumferential surface of the sleeve 1, i.e., the surface of the sleeve 1 abutting against the wall body, is in a zigzag shape, a water stop ring 1.1 is arranged in the middle of the circumferential surface, the water stop ring 1.1 and the sleeve 1 are integrally formed, the water stop ring 1.1 is used for prolonging the leakage path of leakage water from the outer side of the wall body to the inner side of the wall body through the water stop ring 1.1, so as to reduce the probability of the leakage water, a sealing material is arranged between the circumferential surface of the sleeve 1 at both ends and; be equipped with screw hole 1.2 in the sleeve 1, first pipe fitting 6 and sleeve 1's one end threaded connection, second pipe fitting 7 and sleeve 1's other end threaded connection, first pipe fitting 6 forms the interlocking with the closely back of supporting of second pipe fitting 7, and the position that first pipe fitting 6 contradicts with second pipe fitting 7 is equipped with meets water inflation sealing material.
The position where the first pipe fitting 6 and the second pipe fitting 7 abut against is provided with the water-swelling water-stopping material, when the water-swelling water-stopping material contacts leakage water, the water-swelling water-stopping material expands to prevent the leakage water from further leaking, so that the leakage probability is further reduced; be equipped with screw hole 1.2 in the sleeve 1, be convenient for later stage pass through screw-thread fit and sleeve 1 fixed connection with first pipe fitting 6 and second pipe fitting 7, form the interlocking after first pipe fitting 6 closely contradicts second pipe fitting 7 in addition, guarantee the stability that first pipe fitting 6 and second pipe fitting 7 and sleeve 1 are connected, and seamless between first pipe fitting 6 and second pipe fitting 7 and the sleeve 1, the later stage need not again to pack the material between first pipe fitting 6 and second pipe fitting 7 and sleeve 1, simple installation, labor and time saving.
The peripheral surface of the sleeve 1 is provided with rectangular saw teeth 1.3, so that on one hand, the leakage path of leakage water from the outer side of the wall to the inner side of the wall to pass through the peripheral surface of the sleeve 1 is increased, and the leakage probability is reduced; on the other hand, the contact area between the sleeve 1 and the concrete is increased, and the biting force between the sleeve 1 and the concrete is improved, so that the firmness of connection between the sleeve 1 and the wall body is improved.
One end of the first pipe fitting 6 connected with the sleeve 1 is provided with a first external thread 6.2 matched with the threaded hole 1.2 of the sleeve 1, one end of the second pipe fitting 7 connected with the sleeve 1 is provided with a second external thread 7.2 matched with the threaded hole 1.2 of the sleeve 1, the length B of the first external thread 6.2 in the axial direction and the length C of the second external thread 7.2 in the axial direction are both half of the length A of the sleeve 1, the rotating directions of the first external thread 6.2 and the second external thread 7.2 are opposite, the first external thread 6.2 is left-handed, and the second external thread 7.2 is right-handed; a first convex ring 6.1 is arranged on the end face of one end, connected with the sleeve 1, of the first pipe fitting 6, a second convex ring 7.1 is arranged on the end face of one end, connected with the sleeve 1, of the second pipe fitting 7, the first convex ring 6.1 is embedded into the second convex ring 7.1, a water swelling and water stopping material is arranged on the outer wall of the first convex ring 6.1, the end face of the second convex ring 7.1 abuts against the water swelling and water stopping material to enable the first pipe fitting 6 and the second pipe fitting 7 to be interlocked, the first pipe fitting 6 and the second pipe fitting 7 are both in threaded connection with the sleeve 1, gaps do not exist between the first pipe fitting 6 and the sleeve 1 and between the second pipe fitting 7 and the sleeve 1, manual filling is not needed, and the sealing performance between the first pipe fitting 6 and the sleeve 1 and between the second pipe fitting 7; and behind the second bulge loop 7.1 closely contradict inflation stagnant water material, because first external screw thread 6.2 is different with the direction of turning round of second external screw thread 7.2, if when first pipe fitting 6 was rotatory along the direction of unscrewing, drive second pipe fitting 7 along the direction of screwing round rotation through the transmission of effect, thereby restrict the rotation of first pipe fitting 6, otherwise the principle is the same, make and form the interlocking between first pipe fitting 6 and the second pipe fitting 7, guarantee the stability after first pipe fitting 6 and second pipe fitting 7 and sleeve 1 are connected.
The inner wall of the second convex ring 7.1 is provided with a rubber ring 9, the end face of the first convex ring 6.1 is abutted against the rubber ring 9, and the interlocking strength between the first pipe fitting 6 and the second pipe fitting 7 is improved on one hand by combining a rigid material, namely the first convex ring 6.1, with a flexible material, namely the rubber ring 9; on the other hand, the fluid in the first pipe fitting 6 and the second pipe fitting 7 is prevented from leaking, and the sealing effect at the interface of the first pipe fitting 6 and the second pipe fitting 7 is ensured to be tighter and more reliable.
The first convex ring 6.1 and the second convex ring 7.1 are in interference fit, so that on one hand, the interlocking strength of the first pipe fitting 6 and the second pipe fitting 7 is further ensured; on the other hand, the fluid in the first pipe 6 and the second pipe 7 is further prevented from leaking.
The ratio of the outer diameter of the water stop ring 1.1 to the thickness of the wall body ranges from 1:5 to 1:3, and the water stop ring 1.1 aims to increase the leakage path of leakage water from the outer side of the wall body to the inner side of the wall body through the water stop ring 1.1, so that the leakage probability of the leakage water is reduced; in the embodiment, the ratio of the outer diameter of the water stop ring 1.1 to the thickness of the wall body is 1:4, so that the sleeve 1 is conveniently pre-installed in the reinforcing mesh, the leakage path of leakage water is improved as much as possible, and the leakage probability of the leakage water is reduced; if the ratio of the outer diameter of the water stop ring 1.1 to the thickness of the wall body is less than 1:5, namely the outer diameter of the water stop ring 1.1 is smaller, the path of water leakage is shortened, and the condition of water leakage cannot be well avoided; if the ratio of the outer diameter of the water stop ring 1.1 to the thickness of the wall is greater than 1:3, that is, the outer diameter of the water stop ring 1.1 is too large, although the situation of water leakage can be well avoided, it is inconvenient to pre-install the sleeve 1 into the reinforcing mesh sheet.
Water-swelling stagnant water material is water-swelling rubber 8, and water-swelling rubber 8 contact seepage water back inflation prevents the seepage water and continues the seepage to second bulge loop 7.1 and water-swelling rubber 8's combination, rigid material and flexible material's combination promptly not only further improve the leakproofness of the sealed effect of first pipe fitting 6 and 7 knecks of second pipe fitting, reliability, still further improve the interlocking intensity between first pipe fitting 6 and the second pipe fitting 7.
The construction method applying the wall penetrating pipe assembly comprises the following steps:
1) before the reinforcing steel bar mesh is injected with concrete, the sleeve 1 is installed and fixed in the reinforcing steel bar mesh, and then a side wall template is installed and concrete is poured;
2) after the concrete reaches the designed strength, removing the side wall template, and cleaning up the concrete and impurities remained at the pipe orifices at the two ends of the sleeve 1;
3) the outer wall of the first convex ring 6.1 is externally provided with water-swelling rubber 8, the inner wall of the second convex ring 7.1 is internally provided with a rubber ring 9, the first pipe fitting 6 is completely screwed into the sleeve 1 from one end of the sleeve 1 through thread matching by the first external thread 6.2, and the second pipe fitting 7 is completely screwed into the sleeve 1 from the other end of the sleeve 1 through thread matching by the second external thread 7.2, so that the second convex ring 7.1 tightly abuts against the water-swelling rubber 8;
4) and finally, arranging the sealant 5 between the circumferential surface of the sleeve 1 and the surface of the wall body.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, which fall within the scope and spirit of the above description. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and variations of the present invention should fall within the scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (8)
1. The wall pipe assembly is characterized by comprising a first pipe fitting, a second pipe fitting and a sleeve, wherein the sleeve is arranged in a wall body in a penetrating mode, two ends of the sleeve extend out of the surface of the wall body, the peripheral surface of the sleeve, namely the surface of the sleeve abutting against the wall body, is in a sawtooth shape, a water stop ring is arranged in the middle of the peripheral surface, and a sealing material is arranged between the peripheral surface of the sleeve, which is positioned at the two ends, and the surface of the wall body; be equipped with the screw hole in the sleeve, first pipe fitting with telescopic one end threaded connection, the second pipe fitting with telescopic other end threaded connection, first pipe fitting with the second pipe fitting forms the interlocking after closely supporting, just first pipe fitting with the position that the second pipe fitting contradicts is equipped with water-swelling stagnant water material.
2. The bulkhead assembly of claim 1, wherein the perimeter surface is rectangularly serrated.
3. The wall penetrating pipe assembly according to claim 1, wherein a first external thread matched with the threaded hole of the sleeve is arranged at one end of the first pipe fitting connected with the sleeve, a second external thread matched with the threaded hole of the sleeve is arranged at one end of the second pipe fitting connected with the sleeve, the length of the first external thread and the length of the second external thread in the axial direction are both half of the length of the sleeve, and the screwing directions of the first external thread and the second external thread are opposite; first pipe fitting with be equipped with first bulge loop on the terminal surface of muffjoint's one end, the second pipe fitting with be equipped with the second bulge loop on the terminal surface of muffjoint's one end, first bulge loop embedding in the second bulge loop, the outer wall of first bulge loop is equipped with meet water inflation sealing material, the terminal surface of second bulge loop is contradicted make behind the meet water inflation sealing material first pipe fitting with the second pipe fitting forms the interlocking.
4. A wall penetrating pipe assembly according to claim 3, wherein the inner wall of said second collar is provided with a rubber ring against which the end face of said first collar abuts.
5. A wall penetrating pipe assembly according to claim 4, wherein said first collar is an interference fit with said second collar.
6. The wall pipe assembly of claim 1, wherein the ratio of the outer diameter of the water stop ring to the wall thickness ranges from 1:5 to 1: 3.
7. A wall penetrating tube assembly according to any of claims 1 to 6 wherein said water swellable water stop material is a water swellable rubber.
8. A wall penetrating pipe assembly according to any of claims 1 to 6 wherein said sealing material is a sealant or paste.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237601.3A CN110822180A (en) | 2019-12-05 | 2019-12-05 | Wall pipe assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237601.3A CN110822180A (en) | 2019-12-05 | 2019-12-05 | Wall pipe assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110822180A true CN110822180A (en) | 2020-02-21 |
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ID=69544452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911237601.3A Pending CN110822180A (en) | 2019-12-05 | 2019-12-05 | Wall pipe assembly |
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| CN (1) | CN110822180A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594670A (en) * | 2020-05-06 | 2020-08-28 | 丽水市莲都区凯泽创机械厂 | Leak protection pipeline connecting pipe |
| CN112728223A (en) * | 2020-12-23 | 2021-04-30 | 常德祉博新型装饰材料有限责任公司 | Water supply wall bushing for indoor decoration project |
| CN114909524A (en) * | 2022-07-04 | 2022-08-16 | 浙江大学 | Threaded pipeline plate penetrating assembly and construction method |
| CN115162543A (en) * | 2022-07-11 | 2022-10-11 | 中冶南方城市建设工程技术有限公司 | Composite waterproof protective cylinder for reserved hole |
-
2019
- 2019-12-05 CN CN201911237601.3A patent/CN110822180A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594670A (en) * | 2020-05-06 | 2020-08-28 | 丽水市莲都区凯泽创机械厂 | Leak protection pipeline connecting pipe |
| CN112728223A (en) * | 2020-12-23 | 2021-04-30 | 常德祉博新型装饰材料有限责任公司 | Water supply wall bushing for indoor decoration project |
| CN114909524A (en) * | 2022-07-04 | 2022-08-16 | 浙江大学 | Threaded pipeline plate penetrating assembly and construction method |
| CN115162543A (en) * | 2022-07-11 | 2022-10-11 | 中冶南方城市建设工程技术有限公司 | Composite waterproof protective cylinder for reserved hole |
| CN115162543B (en) * | 2022-07-11 | 2023-10-20 | 中冶南方城市建设工程技术有限公司 | A waterproof protective cylinder of combined type for reserving hole |
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