Optimized structure construction node for old cast iron drainage vertical pipe of residence

By adopting an optimized riser structure in old cast iron drainage risers, including PVC drainage risers, shrinkage tees and PVC pipe sleeves, the irregular deformation of the inner and outer walls of the cast iron pipes is solved by using rubber sealing pipe sleeves and sealing clamps, resulting in irregular deformation of the inner and outer walls of the cast iron pipes, resulting in the formation of irregular deformation of the cast iron pipes due to the use of rubber sealing pipes and sealing clamps. The sealing problem has achieved stable and reliable connection effect and solved the water leakage problem in the renovation of old cast iron pipes.

CN222183546UActive Publication Date: 2024-12-17BEIJING 1237 CONSTR TECH CO LTD
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Patent Information

Application Number
CN202420951732.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-06
Publication Date
2024-12-17
Estimated Expiration
2034-05-06

AI Technical Summary

Technical Problem

Due to production tolerances and rust, there are irregular potholes in the inner and outer walls, resulting in the traditional transformation method being unable to fit in or the sealing is not tightly sealed.

Method used

The optimized riser structure is adopted, including PVC drainage riser, shrinkage tee and PVC pipe sleeve. The sealing is enhanced by rubber sealing pipe sleeve and sealing clamp, adapting to the irregular inner and outer wall deformation of cast iron pipes and ensuring sealing.

Benefits of technology

Reliable sealing of old cast iron pipes is achieved, the construction process is simplified, and the stability, safety, applicability and economic benefits of the connection are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of building drainage vertical pipe construction, and particularly discloses an optimized structure construction node of a residence old cast iron drainage vertical pipe, which comprises a lower-layer building floor, an upper-layer building floor, an original cast iron drainage vertical pipe I arranged in the lower-layer building floor, and an original cast iron drainage vertical pipe II arranged in the upper-layer building floor, the optimized vertical pipe structure is arranged between the first original cast iron drainage vertical pipe and the second original cast iron drainage vertical pipe, the top end of the first original cast iron drainage vertical pipe is flush with the top face of a lower-layer building floor, the bottom end of the second original cast iron drainage vertical pipe is lower than the bottom face of an upper-layer building floor, and the optimized vertical pipe structure comprises PVC drainage vertical pipes. The reducing tee and the PVC pipe sleeve are arranged at the two ends of the PVC drainage stand pipe respectively, the two ends of the PVC pipe sleeve are arranged at the top end of the PVC drainage stand pipe and the bottom end of the second original cast iron drainage stand pipe in a sleeving mode respectively and connected with the PVC drainage stand pipe and the second original cast iron drainage stand pipe in a sealed and sleeved mode, installation is easy, the drainage structure is reasonable, and the whole structure has good sealing performance.
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Description

Technical Field

[0001] The utility model relates to the technical field of building drainage riser construction, in particular to an optimized structural construction node of an old cast iron drainage riser for a residential building. Background Art

[0002] At present, drainage reconstruction mostly adopts PVC tees and PVC sleeves to connect with cast iron pipes. This method relies entirely on sealing and waterproofing, but not structural waterproofing. Due to the production tolerances and rust of old cast iron pipes, the old cast iron pipes are not perfectly round and there are potholes on the outer circumference and inner wall. When traditional reconstruction methods are used, there are often problems such as not being able to fit into the old cast iron pipe or the sealing is not tight and leaks after being inserted. Utility Model Content

[0003] The purpose of the utility model is to provide an optimized structural construction node for old cast iron drainage risers in a residential building, so as to solve the technical problems mentioned in the above background technology.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A construction node for optimizing the structure of old cast iron drainage risers in a residential building, comprising a lower building floor and an upper building floor, an original cast iron drainage riser 1 arranged in the lower building floor, an original cast iron drainage riser 2 arranged in the upper building floor, and an optimized riser structure arranged between the original cast iron drainage riser 1 and the original cast iron drainage riser 2, wherein the top of the original cast iron drainage riser 1 is flush with the top surface of the lower building floor, and the bottom end of the original cast iron drainage riser 2 is lower than the bottom surface of the upper building floor, and the optimized riser structure comprises a PVC drainage riser, and a reducing tee and a PVC pipe sleeve respectively arranged at both ends of the PVC drainage riser, the reducing tee comprises a sleeve end, a plug end and an outlet end, the inner diameter specification of the sleeve end is adapted to the outer diameter specification of the PVC drainage riser, the sleeve end of the reducing tee is sleeved on the bottom end of the PVC drainage riser and sleeved with the PVC drainage riser, and the plug end of the reducing tee is inserted into the original cast The top end of the iron drainage riser is plugged into the original cast iron drainage riser, and the plug-in end is provided with a rubber sealing sleeve, which is sleeved on the sleeve end of the reducing tee and sleeved with the reducing tee. The outer periphery of the rubber sealing sleeve is provided with multiple circles of elastic sealing rings, and the end of the rubber sealing sleeve away from the plug-in end of the reducing tee is provided with a protective flange, which is annularly arranged on the outer periphery of the rubber sealing sleeve. The two ends of the PVC sleeve are respectively sleeved on the top of the PVC drainage riser and the bottom of the original cast iron drainage riser, and are sealed and sleeved with the PVC drainage riser and the original cast iron drainage riser. A rubber sealing sleeve is provided inside the PVC sleeve, and the PVC sleeve is sleeved on the rubber sealing sleeve and sleeved with the rubber sealing sleeve. The two ends of the rubber sealing sleeve are respectively sleeved on the top of the PVC drainage riser and the bottom of the original cast iron drainage riser, and are sleeved with the PVC drainage riser and the original cast iron drainage riser.

[0006] Furthermore, the end of the second rubber sealing pipe sleeve on the PVC drainage riser is flush with the end of the PVC pipe sleeve on the same side, and one end of the second rubber sealing pipe sleeve on the original cast iron drainage riser extends out of the end of the PVC pipe sleeve on the same side, and the end of the second rubber sealing pipe sleeve extending out of the end of the PVC pipe sleeve on the same side is a sealed end.

[0007] Furthermore, a sealing clamp is provided on the sealing end of the rubber sealing pipe sleeve 2, and the sealing clamp is sleeved on the outer periphery of the sealing end of the rubber sealing pipe sleeve 2 to tightly fix the sealing end of the rubber sealing pipe sleeve 2 to the original cast iron drainage riser 2.

[0008] Furthermore, the lower structure floor and the upper structure floor are both horizontal floors, and the original cast iron drainage riser 1 and the original cast iron drainage riser 2 are respectively vertically penetrated through the lower structure floor and the upper structure floor.

[0009] Furthermore, the original cast iron drainage riser pipe 1 and the original cast iron drainage riser pipe 2 are both 110mm cast iron pipes.

[0010] Furthermore, the rubber sealing sleeve is made of elastic material.

[0011] Furthermore, the elastic sealing ring opening and the rubber sealing sleeve are made of the same material.

[0012] Compared with the prior art, the utility model has the following characteristics and beneficial effects:

[0013] The utility model optimizes the riser structure by setting up the optimized riser structure, which includes the PVC drainage riser, and the reducing tee and PVC pipe sleeves respectively arranged at the two ends of the PVC drainage riser. The plug-in end of the reducing tee is provided with a rubber sealing pipe sleeve, and the outer periphery of the rubber sealing pipe sleeve is provided with multiple circles of elastic sealing ring openings to cope with the influence of the inner wall pits and the irregular deformation of the inner diameter of the original cast iron drainage riser on the sealing performance, so that the plug-in end of the reducing tee and the original cast iron drainage riser have reliable sealing, and a protective flange is arranged on the outer periphery of the rubber sealing pipe sleeve to prevent the installation from During installation, the cut of the original cast iron drainage riser 1 caused damage to the reducing tee. A rubber sealing sleeve 2 is provided inside the PVC pipe sleeve, and a sealing clamp is provided on the sealing end of the rubber sealing sleeve 2 to cope with the effects of the potholes on the outer wall of the original cast iron drainage riser 2 and the irregular deformation of the outer periphery. This ensures that there is reliable sealing between the PVC pipe sleeve and the original cast iron drainage riser 2. The overall construction is convenient, the connection sealing is stable and reliable, and it has the characteristics of safety and applicability. It has good promotion and practical value, and will produce good economic benefits after widespread promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 The utility model is a structural schematic diagram of a rubber sealing sleeve.

[0016] Figure numerals: 1. lower building floor; 2. upper building floor; 3. original cast iron drainage riser 1; 4. original cast iron drainage riser 2; 5. PVC drainage riser; 6. reducing tee; 7. PVC pipe sleeve; 8. rubber sealing pipe sleeve 1; 9. elastic sealing ring; 10. protective flange; 11. sealing clamp. DETAILED DESCRIPTION

[0017] In order to make the technical means, innovative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below.

[0018] The embodiments described herein are specific embodiments of the present invention, which are used to illustrate the concept of the present invention, are explanatory and exemplary, and should not be interpreted as limiting the embodiments of the present invention and the scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the contents disclosed in the specification of this application, including technical solutions that adopt any obvious replacement and modification of the embodiments described herein.

[0019] The utility model discloses an optimized structural construction node of an old cast iron drainage riser in a residential building, such as Figure 1 and Figure 2As shown, it includes a lower structure floor 1 and an upper structure floor 2, an original cast iron drainage riser 1 3 arranged in the lower structure floor 1, an original cast iron drainage riser 2 4 arranged in the upper structure floor 2, and an optimized riser structure arranged between the original cast iron drainage riser 1 3 and the original cast iron drainage riser 2 4. The lower structure floor 1 and the upper structure floor 2 are both horizontal floors. The original cast iron drainage riser 1 3 and the original cast iron drainage riser 2 4 are respectively vertically penetrated through the lower structure floor 1 and the upper structure floor 2. The top end of the original cast iron drainage riser 1 3 is flush with the top surface of the lower structure floor 1, and the bottom end of the original cast iron drainage riser 2 4 is lower than the bottom surface of the upper structure floor 2. The original cast iron drainage riser 1 3 and the original cast iron drainage riser 2 4 are both 110m m cast iron pipe, the inner wall and outer wall of the original cast iron drainage riser 3 and the inner wall and outer wall of the original cast iron drainage riser 2 4 all have multiple irregular pits, the optimized riser structure includes a PVC drainage riser 5, and a reducing tee 6 and a PVC pipe sleeve 7 respectively arranged at both ends of the PVC drainage riser 5, the reducing tee 6 is a T-shaped structure, including a sleeve end, a plug end and an outlet end, the inner diameter specification of the sleeve end is compatible with the outer diameter specification of the PVC drainage riser 5, the sleeve end of the reducing tee 6 is sleeved on the bottom end of the PVC drainage riser 5 and sleeved with the PVC drainage riser 5, the plug end of the reducing tee 6 is inserted into the top pipe of the original cast iron drainage riser 3 and plugged with the original cast iron drainage riser 3, the plug end is provided with a rubber sealing pipe sleeve 8, the rubber sealing pipe sleeve 8 is made of elastic material. The rubber sealing sleeve 8 is sleeved on the sleeve end of the reducing tee 6 and is sleeved with the reducing tee 6. The rubber sealing sleeve 8 is embedded in the top tube of the original cast iron drainage riser 3 and is plugged into the original cast iron drainage riser 3. The outer periphery of the rubber sealing sleeve 8 is provided with multiple circles of elastic sealing ring openings 9. The elastic sealing ring openings 9 are made of the same material as the rubber sealing sleeve 8 and are integrally formed. By providing the rubber sealing sleeve and the elastic sealing ring openings 9 on the outer periphery, the effects of the potholes on the inner wall and the irregular deformation of the inner diameter of the original cast iron drainage riser 1 on the sealing performance can be dealt with, and the sealing performance between the plug-in end of the reducing tee 6 and the original cast iron drainage riser 3 can be enhanced. The end of the rubber sealing sleeve 8 away from the plug-in end of the reducing tee 6 is provided with a protective flange 10 to protect The protective flange 10 is annularly arranged on the outer periphery of the rubber sealing pipe sleeve 8. The protective flange 10 is arranged on the outer periphery of the rubber sealing pipe sleeve 8 to prevent the cut of the original cast iron drainage riser 1 from damaging the reducing tee 6 during installation. The outlet end specification of the reducing tee 6 is 110mm, 75mm or 50mm. The two ends of the PVC pipe sleeve 7 are respectively sleeved on the top of the PVC drainage riser 5 and the bottom of the original cast iron drainage riser 2 4 and are sealed and sleeved with the PVC drainage riser 5 and the original cast iron drainage riser 2 4. A rubber sealing pipe sleeve 2 is arranged inside the PVC pipe sleeve 7. The PVC pipe sleeve 7 is sleeved on the rubber sealing pipe sleeve 2 and is sleeved with the rubber sealing pipe sleeve 2. The rubber sealing pipe sleeve 2 is made of elastic material, and the length of the rubber sealing pipe sleeve 2 is greater than the length of the PVC pipe sleeve 7.The two ends of the rubber sealing sleeve 2 are respectively sleeved on the top of the PVC drainage riser 5 and the bottom of the original cast iron drainage riser 2 4, and are sleeved with the PVC drainage riser 5 and the original cast iron drainage riser 2 4, so as to enhance the sealing performance between the PVC sleeve 7 and the original cast iron drainage riser 2 4 and the PVC drainage riser 5. The end of the rubber sealing sleeve 2 is sleeved on the PVC drainage riser 5 and is flush with the end of the PVC sleeve 7 on the same side. The rubber sealing sleeve 2 is sleeved on one end of the original cast iron drainage riser 2 4 and extends out of the end of the PVC sleeve 7 on the same side. The end of the rubber sealing sleeve 2 that extends out of the end of the PVC sleeve 7 on the same side is the sealing end. A sealing clamp 11 is provided on the sealing end of the rubber sealing sleeve 2. The sealing clamp 11 is sleeved on the outer periphery of the sealing end of the rubber sealing sleeve 2 to clamp and fix the sealing end of the rubber sealing sleeve 2 and the original cast iron drainage riser 2 4, so as to cope with the influence of the potholes on the outer wall of the original cast iron drainage riser 2 and the irregular deformation of the outer periphery on the sealing performance, and enhance the sealing performance between the PVC sleeve 7 and the original cast iron drainage riser 2 4.

[0020] The utility model optimizes the riser structure by setting up the optimized riser structure, which includes the PVC drainage riser, and a reducing tee and a PVC pipe sleeve respectively arranged at both ends of the PVC drainage riser. The plug-in end of the reducing tee is provided with a rubber sealing pipe sleeve 1, and the outer periphery of the rubber sealing pipe sleeve 1 is provided with a plurality of circles of elastic sealing ring openings to cope with the influence of the inner wall pits and the irregular deformation of the inner diameter of the original cast iron drainage riser 1 on the sealing performance, so that the plug-in end of the reducing tee and the original cast iron drainage riser 1 have a reliable seal, and a protective flange is provided on the outer periphery of the rubber sealing pipe sleeve 1 to prevent the cut of the original cast iron drainage riser 1 from damaging the reducing tee during installation, and a rubber sealing pipe sleeve 2 is provided inside the PVC pipe sleeve, and a sealing clamp is provided on the sealing end of the rubber sealing pipe sleeve 2 to cope with the influence of the outer wall pits and the irregular deformation of the outer periphery of the original cast iron drainage riser 2 on the sealing performance, so that the PVC pipe sleeve and the original cast iron drainage riser 2 have a reliable seal, the overall construction is convenient, and the connection sealing performance is stable and reliable.

[0021] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0022] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An optimized structural construction node for old cast iron drainage risers in residential buildings, characterized by: The invention comprises a lower building floor (1) and an upper building floor (2), an original cast iron drainage riser pipe (1) arranged in the lower building floor (1), an original cast iron drainage riser pipe (2) arranged in the upper building floor (2), and an optimized riser pipe structure arranged between the original cast iron drainage riser pipe (1) and the original cast iron drainage riser pipe (2), wherein the top end of the original cast iron drainage riser pipe (1) is flush with the top surface of the lower building floor (1), the bottom end of the original cast iron drainage riser pipe (2) is lower than the bottom surface of the upper building floor (2), and the optimized riser pipe structure is arranged between the original cast iron drainage riser pipe (3) and the original cast iron drainage riser pipe (4). The pipe structure comprises a PVC drainage riser (5), and a reducing tee (6) and a PVC pipe sleeve (7) respectively arranged at both ends of the PVC drainage riser (5), wherein the reducing tee (6) comprises a sleeve end, a plug end and an outlet end, the inner diameter specification of the sleeve end is compatible with the outer diameter specification of the PVC drainage riser (5), the sleeve end of the reducing tee (6) is sleeved on the bottom end of the PVC drainage riser (5) and is sleeved with the PVC drainage riser (5), and the plug end of the reducing tee (6) is inserted into the top end of the original cast iron drainage riser (3) and is connected with the original cast iron. A drainage riser (3) is plugged in, and a rubber sealing sleeve (8) is provided at the plug-in end of the reducing tee (6). The rubber sealing sleeve (8) is sleeved on the sleeve end of the reducing tee (6) and is sleeved with the reducing tee (6). The outer periphery of the rubber sealing sleeve (8) is provided with a plurality of circles of elastic sealing ring openings (9). The end of the rubber sealing sleeve (8) away from the plug-in end of the reducing tee (6) is provided with a protective flange (10). The protective flange (10) is annularly arranged on the outer periphery of the rubber sealing sleeve (8). The PVC sleeve (7) The two ends are respectively sleeved on the top of the PVC drainage riser (5) and the bottom of the original cast iron drainage riser (4) to be sealed and sleeved with the PVC drainage riser (5) and the original cast iron drainage riser (4); the PVC pipe sleeve (7) is provided with a rubber sealing pipe sleeve (2) inside; the PVC pipe sleeve (7) is sleeved on the rubber sealing pipe sleeve (2) to be sleeved with the rubber sealing pipe sleeve (2); the two ends of the rubber sealing pipe sleeve (2) are respectively sleeved on the top of the PVC drainage riser (5) and the bottom of the original cast iron drainage riser (4) to be sleeved with the PVC drainage riser (5) and the original cast iron drainage riser (4).

2. The optimized structural construction node of an old cast iron drainage riser in a residential building according to claim 1 is characterized in that: The end of the second rubber sealing pipe sleeve on the PVC drainage riser (5) is flush with the end of the PVC pipe sleeve (7) on the same side, and one end of the second rubber sealing pipe sleeve on the original cast iron drainage riser (4) extends out of the end of the PVC pipe sleeve (7) on the same side. The end of the second rubber sealing pipe sleeve extending out of the end of the PVC pipe sleeve (7) on the same side is a sealed end.

3. The optimized structural construction node of an old cast iron drainage riser in a residential building according to claim 2 is characterized in that: A sealing clamp (11) is provided on the sealing end of the rubber sealing pipe sleeve 2. The sealing clamp (11) is sleeved on the outer periphery of the sealing end of the rubber sealing pipe sleeve 2 to clamp and fix the sealing end of the rubber sealing pipe sleeve 2 and the original cast iron drainage riser 2 (4).

4. The optimized structural construction node of an old cast iron drainage riser in a residential building according to claim 1 is characterized by: The lower building floor (1) and the upper building floor (2) are both horizontal floors, and the original cast iron drainage riser 1 (3) and the original cast iron drainage riser 2 (4) are respectively vertically penetrated through the lower building floor (1) and the upper building floor (2).

5. The optimized structural construction node of an old cast iron drainage riser in a residential building according to claim 1 is characterized in that: The original cast iron drainage riser pipe 1 (3) and the original cast iron drainage riser pipe 2 (4) are both 110 mm cast iron pipes.

6. The optimized structural construction node of an old cast iron drainage riser in a residential building according to claim 1 is characterized by: The rubber sealing sleeve 1 (8) is made of elastic material.

7. An optimized structural construction node of an old residential cast iron drainage riser according to any one of claims 1 to 6, characterized in that: The elastic sealing ring opening (9) is made of the same material as the rubber sealing tube sleeve 1 (8).