Integrated expansion joint tee joint and integrated expansion joint inspection opening

Abstract

The utility model relates to an integrated expansion joint tee joint which comprises an upstream bell mouth and downstream spigot tee joint assembly and an expansion joint. A lower opening of the upstream socket and downstream socket three-way assembly is arranged as an extension socket end; the extension spigot end and the socket end of the expansion joint are mechanically sealed and connected into a whole before leaving a factory; the outer pipe wall of the extension socket end is provided with a maximum expansion and contraction amount marking line and a minimum expansion and contraction amount marking line; after the extension socket end is connected with the expansion joint in a mechanical sealing mode, the minimum expansion amount marking line is located inside the upper edge of the expansion joint, and the maximum expansion amount marking line is located outside the upper edge of the expansion joint. Compared with the traditional stand pipe expansion joint installation, the integrated expansion joint tee joint provided by the utility model has the advantages that the joints with high quality control difficulty in construction are transferred into a factory and are mechanically completed, so that the workload is reduced, and the system connection stability is also improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline drainage connection, and in particular relates to an integrated expansion joint tee and an integrated expansion joint inspection port. Background Art

[0002] ① When installing the PVC-U drainage system, it is difficult to control the installation quality of the expansion joint. During the closed water test, most of the leakage occurs at the socket end of the expansion joint.

[0003] ②In the PVC-U drainage system, the expansion joint is installed on the riser as an independent connector. During installation, a special short pipe needs to be prefabricated according to the position of the expansion joint to connect with the riser branch. The workload of the operators is large and the labor input is relatively high.

[0004] ③ In the drainage system, the distance between the expansion joint and the tee is generally not large, and the size of the connecting short pipe is small, which can easily cause errors when cutting materials, resulting in inconsistent spacing between pipe fittings in different positions in the same project.

[0005] ④ The expansion joint is usually installed not far from the tee or inspection port, with a large number of continuous joints and poor aesthetics.

[0006] ⑤ In practice, in order to avoid water leakage caused by unqualified tightening of the expansion joint in the later stage, operators often use the wrong construction method of gluing the socket end of the expansion joint when installing the expansion joint, which makes the expansion joint lose its own function. Moreover, this phenomenon is difficult to control during the process and is difficult to detect during acceptance. Utility Model Content

[0007] (1) Technical issues to be solved

[0008] In view of the existing technical problems, the utility model provides an integrated expansion joint tee and an integrated expansion joint inspection port.

[0009] (2) Technical solution

[0010] In order to achieve the above-mentioned purpose, the main technical solutions adopted by this utility model include:

[0011] An integrated expansion joint tee, comprising: a water front socket and a water back spigot tee assembly and an expansion joint;

[0012] The lower end of the water-facing socket and water-receiving socket tee assembly is set as an extended socket end;

[0013] The extension socket end and the socket end of the expansion joint are mechanically sealed and connected as one before leaving the factory;

[0014] The outer tube wall of the extension socket end is provided with a maximum expansion and contraction amount marking line and a minimum expansion and contraction amount marking line;

[0015] After the extended socket end is mechanically sealed with the telescopic joint, the minimum telescopic amount marking line is located inside the upper edge of the telescopic joint, and the maximum telescopic amount marking line is located outside the upper edge of the telescopic joint.

[0016] Preferably, the maximum expansion and contraction marking line is a reference line for use at the highest temperature.

[0017] Preferably, the minimum expansion mark line is a reference line for the lowest temperature.

[0018] Preferably, the other end of the telescopic joint is connected to a riser.

[0019] An integrated expansion joint inspection port, comprising: a water-facing socket and a water-following spigot inspection port assembly and an expansion joint;

[0020] The lower end of the water-facing socket and the water-following socket inspection port assembly is set as an extended socket end;

[0021] The extension socket end and the socket end of the expansion joint are mechanically sealed and connected as one before leaving the factory;

[0022] The outer tube wall of the extension socket end is provided with a maximum expansion and contraction amount marking line and a minimum expansion and contraction amount marking line;

[0023] After the extended socket end is mechanically sealed with the telescopic joint, the minimum telescopic amount marking line is located inside the upper edge of the telescopic joint, and the maximum telescopic amount marking line is located outside the upper edge of the telescopic joint.

[0024] Preferably, the maximum expansion and contraction marking line is a reference line for use at the highest temperature.

[0025] Preferably, the minimum expansion mark line is a reference line for the lowest temperature.

[0026] Preferably, the other end of the telescopic joint is connected to a riser.

[0027] (3) Beneficial effects

[0028] The beneficial effects of the present invention are as follows: the integrated expansion joint tee and integrated expansion joint inspection port provided by the present invention have the following significant effects:

[0029] 1. Compared with the traditional riser expansion joint installation, the integrated expansion joint tee (integrated expansion joint inspection port) transfers the nodes with high difficulty in quality control during construction to the factory for completion by machinery, which reduces the workload and improves the stability of system connection.

[0030] 2. Compared with the traditional expansion joint, the integrated expansion joint tee (integrated expansion joint inspection port) reduces the number of vertical pipe adhesive interfaces and the amount of glue used. It is relatively energy-saving and environmentally friendly, and can greatly improve the visual quality of the finished product.

[0031] 3. Traditional expansion joints have high requirements on the operation of operators. If the connection is not done properly, the expansion joint will leak. However, the integrated expansion joint tee (integrated expansion joint inspection port) has its expansion margin pre-set at the factory, which can reduce the risk of leakage and improve the installation quality and efficiency.

[0032] 4. The expansion allowance of the integrated expansion joint tee (integrated expansion joint inspection port) is preset at the factory. There is no need for manual assembly of the expansion joint socket end during installation, which effectively avoids the problem of operators using adhesive connections at the socket end.

[0033] 5. The integrated expansion joint tee (integrated expansion joint inspection port) is provided with maximum and minimum expansion amount identification lines within its expansion range. By observing the distance between the max line and the upper edge of the expansion joint, it can be determined whether its installation is qualified, which is conducive to process acceptance and quality control. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a structural diagram of an integrated expansion joint tee provided by the utility model;

[0035] Figure 2 This is a structural schematic diagram of an integrated expansion joint inspection port provided by the utility model.

[0036] Description of Reference Numerals

[0037] 1: Extension socket end; 2: Expansion joint; max: Maximum expansion mark; min: Minimum expansion mark. DETAILED DESCRIPTION

[0038] In order to better explain the present invention and facilitate understanding, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0039] like Figure 1 As shown: This embodiment discloses an integrated expansion joint tee, including: a water-facing socket and a water-backward spigot tee assembly and an expansion joint.

[0040] The lower end of the water-facing socket and water-receiving socket tee assembly is set as an extended socket end 1; the extended socket end 1 and the socket end of the expansion joint 2 are mechanically sealed and connected as one before leaving the factory; a maximum expansion amount marking line max and a minimum expansion amount marking line min are provided on the outer tube wall of the extended socket end; after the extended socket end 1 is mechanically sealed and connected to the expansion joint 2, the minimum expansion amount marking line min is located inside the upper edge of the expansion joint 2, and the maximum expansion amount marking line max is located outside the upper edge of the expansion joint.

[0041] In this embodiment, the maximum expansion joint mark line (max) is a reference line for use at the highest temperature. The minimum expansion joint mark line (min) is a reference line for use at the lowest temperature. The other end of the expansion joint is connected to a riser.

[0042] In practical applications:

[0043] During installation, the upper edge of the expansion joint is located between the max line and the min line. The expansion margin is adjusted with the ambient temperature. During installation, the min line does not expose the upper edge of the expansion joint, and the max line does not enter the interior of the expansion joint.

[0044] The expansion allowance of the integrated expansion joint tee should be set according to the ambient temperature of the season and tightened before leaving the factory. Unless the ambient temperature changes or the fasteners become loose, no secondary adjustment is required during on-site installation. If adjustment is necessary, ensure that the sealing ring is installed normally.

[0045] The max line can be used as a reference line to determine whether the installation is qualified during process acceptance and quality control;

[0046] The installation of the integrated expansion joint four-way and five-way under the plate refers to the installation diagram of the integrated expansion joint three-way.

[0047] like Figure 2 As shown: This embodiment also discloses an integrated expansion joint inspection port, including: a water-facing socket and a water-following plug inspection port assembly and a expansion joint.

[0048] The lower end of the water-facing socket and downstream socket inspection port assembly is set as an extended socket end 1; the extended socket end 1 and the socket end of the expansion joint 2 are mechanically sealed and connected as one before leaving the site; a maximum expansion amount marking line and a minimum expansion amount marking line are provided on the outer tube wall of the extended socket end 1; after the extended socket end 1 is mechanically sealed and connected to the expansion joint 2, the minimum expansion amount marking line min is located inside the upper edge of the expansion joint 2, and the maximum expansion amount marking line max is located outside the upper edge of the expansion joint 2.

[0049] Specifically, the maximum expansion mark line (max) is a reference line for the highest temperature. The minimum expansion mark line (min) is a reference line for the lowest temperature. The other end of the expansion joint 2 is connected to a vertical pipe.

[0050] In practical applications:

[0051] During installation, the upper edge of the expansion joint is located between the max line and the min line. The expansion margin is adjusted with the ambient temperature. During installation, the min line does not leak out of the upper edge of the expansion joint, and the max line does not enter the interior of the expansion joint.

[0052] The inspection port of the integrated expansion joint should be set with expansion allowance according to the ambient temperature of the season and tightened before leaving the factory. No secondary adjustment is required during on-site installation unless the ambient temperature changes or the fasteners become loose. If adjustment is necessary, ensure that the sealing ring is well installed and tightened normally.

[0053] The max line can be used as a reference line to determine whether the installation is qualified during process acceptance and quality control.

[0054] For example, the integrated expansion joint tee in this embodiment (attached Figure 1 ) / Integrated expansion joint inspection port (attached Figure 2 ), by changing the lower end of the traditional full-socket downstream tee (full-socket inspection port) into a socket end, and extending the length of the socket end, setting scale lines for the maximum and latest expansion amounts on the socket section of the tee (inspection port) according to the expansion margin of the expansion joint, namely the max line and the min line (these two lines are reference lines for checking whether the installation of the expansion joint meets the expansion margin), and extending the socket end 1 at the tee (inspection port) to connect the expansion joint 2. The connection work between the expansion joint 2 and the tee (inspection port) is completed by machinery in the factory, reducing the steps of disassembling the expansion joint 2 and using a short pipe to connect during on-site operations, so as to increase construction efficiency.

[0055] The integrated expansion joint tee (with integrated expansion joint inspection port) offers a technical solution to traditional expansion joint installation: for under-slab drainage, the expansion joint is integrated below the tee; for same-floor drainage, the expansion joint is integrated below the inspection port. Because the integrated expansion joint tee (with integrated expansion joint inspection port) has its expansion allowance mechanically set at the factory, on-site installation eliminates the need for disassembly of the expansion joint socket unless required, ensuring installation quality and improving construction efficiency.

[0056] The function of setting the max line and min line at the connection between the socket end of the expansion joint and the tee (inspection port) of the integrated expansion joint tee (integrated expansion joint inspection port) is: the max line is always outside its socket, and the min line is always hidden inside its socket. By observing the relative position of the two lines and the upper edge of the socket end of the expansion joint, it can be checked whether the installation of the integrated expansion joint tee (integrated expansion joint inspection port) meets its expansion margin, and the quality control efficiency is high.

[0057] The above description of the technical principles of the present invention in conjunction with specific embodiments is intended solely to illustrate the principles of the present invention and should not be construed in any way as limiting the scope of protection of the present invention. Based on the explanations herein, those skilled in the art will be able to devise other specific implementations of the present invention without inventive effort, and such implementations will fall within the scope of protection of the present invention.

Claims

1. An integrated expansion joint tee, characterized in that: include: Water front socket, water back socket tee assembly and expansion joint; The lower end of the water-facing socket and water-receiving socket tee assembly is set as an extended socket end; The extension socket end and the socket end of the expansion joint are mechanically sealed and connected as one before leaving the factory; The outer tube wall of the extension socket end is provided with a maximum expansion and contraction amount marking line and a minimum expansion and contraction amount marking line; After the extended socket end is mechanically sealed with the telescopic joint, the minimum telescopic amount marking line is located inside the upper edge of the telescopic joint, and the maximum telescopic amount marking line is located outside the upper edge of the telescopic joint.

2. The integrated expansion joint tee according to claim 1, characterized in that: The maximum expansion and contraction mark line is a reference line for use at the highest temperature.

3. The integrated expansion joint tee according to claim 2, characterized in that: The minimum expansion mark line is the reference line for the lowest temperature.

4. The integrated expansion joint tee according to claim 3, characterized in that: The other end of the telescopic joint is connected to the riser.

5. An integrated expansion joint inspection port, characterized in that: include: Inspection port assembly and expansion joint of water-facing socket and downstream socket; The lower end of the water-facing socket and the downstream socket inspection port assembly is set as an extended socket end; The extension socket end and the socket end of the expansion joint are mechanically sealed and connected as one before leaving the factory; The outer tube wall of the extension socket end is provided with a maximum expansion and contraction amount marking line and a minimum expansion and contraction amount marking line; After the extended socket end is mechanically sealed with the telescopic joint, the minimum telescopic amount marking line is located inside the upper edge of the telescopic joint, and the maximum telescopic amount marking line is located outside the upper edge of the telescopic joint.

6. The integrated expansion joint inspection port according to claim 5, characterized in that: The maximum expansion and contraction mark line is a reference line for use at the highest temperature.

7. The integrated expansion joint inspection port according to claim 6, characterized in that: The minimum expansion mark line is the reference line for the lowest temperature.

8. The integrated expansion joint inspection port according to claim 7, characterized in that: The other end of the telescopic joint is connected to the riser.

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