Telescopic receiving plug, sewage interception well with the receiving plug and construction method thereof

Abstract

The present invention discloses a telescopic socket joint, comprising an external sleeve and an internal sleeve, wherein the internal sleeve is telescopically sleeved in the external sleeve, the existing pipe is sleeved in the internal sleeve, a prefabricated flared port is provided at the external port of the internal sleeve, a sealing rubber ring is provided between the external sleeve and the internal sleeve, and a sealing structure is provided between the prefabricated flared port and the existing pipe. The present invention also discloses a sewage interception well having the telescopic socket joint and a construction method thereof. When the socket joint of the present invention is undertaken on site, the sleeve is extended from the water outlet and inserted into the water outlet pipe, and the sleeve, the water outlet and the water outlet pipe are sealed with asphalt hemp. Even if the connection error between the water outlet pipe and the water outlet is as large as 300 to 400 mm, the telescopic socket joint can still be used to quickly and efficiently connect, which greatly facilitates the installation process of the sewage interception well.

Description

Technical Field

[0001] The invention belongs to the technical field of sewage interception wells, and in particular relates to a retractable receiving plug, a sewage interception well having the receiving plug, and a construction method thereof. Background Art

[0002] Chinese patent application CN201721609227.0 discloses an integrated intelligent sewage interception well, Figure 1 The structure diagram of the integrated intelligent sewage interception well in the prior art is shown. Figure 1 As shown, the integrated intelligent sewage interception well includes a well body, and also includes a water inlet and a drain outlet arranged on both sides of the well body. During the installation of the integrated intelligent sewage interception well, the connection error between the municipal drainage pipe and the water inlet, the water outlet pipe and the water outlet should be within 50mm before installation. During the on-site installation of the integrated intelligent sewage interception well, it is inevitable that the municipal drainage pipe and the water inlet, the water outlet pipe and the water outlet cannot be connected within the error range due to unreasonable cutting pipe length, deviation in installation angle and unachievable construction accuracy.

[0003] Currently, there is an urgent need for a socket joint that can solve the construction difficulties caused by large errors when connecting the pipeline interface. Summary of the invention

[0004] The technical problem solved by the invention is to solve the problem that the error at the existing sewage interception well pipeline interface is too large when being connected, thus causing construction difficulties.

[0005] Technical solution: In order to solve the above technical problems, the technical solution adopted by the present invention is as follows:

[0006] The present invention discloses a telescopic socket joint, comprising an external sleeve and an internal sleeve, wherein the internal sleeve is telescopically sleeved in the external sleeve, an existing pipe is sleeved in the internal sleeve, a prefabricated flared opening is arranged at the outer port of the internal sleeve, a first sealing structure is arranged between the external sleeve and the internal sleeve, and a second sealing structure is arranged between the prefabricated flared opening and the existing pipe.

[0007] Preferably, the prefabricated expansion is a trumpet-shaped expansion.

[0008] Preferably, the first sealing structure and the second sealing structure are rubber rings and / or asphalt hemp fibers.

[0009] The present invention also discloses a sewage interception well with the above-mentioned telescopic socket joint, wherein a telescopic internal sleeve is movably arranged in the water inlet and / or water outlet of the sewage interception well, a prefabricated expansion port is fixedly arranged on the outer port of the internal sleeve, a water inlet pipe or a water outlet pipe is sleeved in the internal sleeve, a sealing structure is arranged between the water inlet or water outlet and the internal sleeve, and between the internal sleeve and the water inlet pipe or water outlet pipe, and the sealing structure is a rubber ring and / or asphalt hemp fiber.

[0010] Preferably, a water inlet flare is provided on the water inlet, a water inlet pipe is sleeved in the water inlet flare, a second sealing structure is provided between the water inlet flare and the water inlet pipe; and a retractable internal sleeve is movably provided in the water outlet.

[0011] The present invention also discloses a construction method of a sewage interception well with a telescopic socket joint, comprising the following steps:

[0012] 1) Construction of reverse wells;

[0013] 2) Leave extra length for the water inlet and outlet pipes;

[0014] 3) Hoist the sewage interception well and connect the retractable internal casings in the water inlet and outlet of the sewage interception well to the water inlet pipe and the water outlet pipe respectively;

[0015] 4) Seal the internal casing with the sewage interception well outlet and outlet pipe, and seal the internal casing with the sewage interception well inlet and inlet pipe;

[0016] 5) Connect the sewage interception port of the sewage interception well to the sewage interception pipeline.

[0017] Preferably, in step 1), when the reverse well construction reaches the existing pipe or the newly constructed pipe, the well wall is poured around the pipe and is sealed and waterproofed.

[0018] Preferably, in step 4), asphalt hemp is used for packing sealing.

[0019] Preferably, in step 5), if the position deviation between the sewage interception pipe and the sewage interception port is small, the sewage interception pipe and the sewage interception port are connected by a prefabricated flared joint, which is then fixed firmly and sealed with packing.

[0020] Preferably, in step 5), if the position deviation between the sewage interception pipe and the sewage interception port is large, a small closed waterproof connecting well is made between the sewage interception pipe and the sewage interception port, and a pressure-bearing well cover is set on the connecting well.

[0021] Beneficial effects: Compared with the prior art, the present invention has the following advantages:

[0022] The retractable socket joint of the present invention enlarges the original water outlet pipe diameter, inserts the original water outlet part into the enlarged pipe to form a sleeve, and seals the two pipes with a sealing rubber ring to form a retractable socket joint. When undertaking on-site, the sleeve is extended from the water outlet and inserted into the water outlet pipe, and the sleeve, the water outlet and the water outlet pipe are sealed with asphalt hemp. Even if the connection error between the water outlet pipe and the water outlet is as large as 300 to 400 mm, the retractable socket joint can still be used to quickly and efficiently connect, which greatly facilitates the installation process of the sewage interception well. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the present invention.

[0024] Figure 2 This is a cross-sectional schematic diagram of the integrated intelligent sewage interception well before construction.

[0025] Figure 3 This is a schematic diagram of the cross section of the integrated intelligent sewage interception well pipe after it is cut off.

[0026] Figure 4 This is a schematic diagram of the structure of the integrated intelligent sewage interception well before the retractable socket joint is used when it is placed into the bottom of the well.

[0027] Figure 5 This is a schematic diagram of the structure of the integrated intelligent sewage interception well after the retractable socket joint is used when it is placed at the bottom of the well.

[0028] Figure 6 This is a structural schematic diagram of the integrated intelligent sewage interception well when viewed downward along section AA during construction.

[0029] Figure 7 This is a structural schematic diagram of observing downward along section AA when the construction deviation of the sewage interception pipe is large during the construction of an integrated intelligent sewage interception well. DETAILED DESCRIPTION

[0030] The present invention is further illustrated below in conjunction with specific examples. The examples are implemented based on the technical solutions of the present invention. It should be understood that these examples are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0031] The present invention discloses a telescopic socket joint, comprising an external sleeve 1 and an internal sleeve 3, wherein the internal sleeve 3 is telescopically sleeved in the external sleeve 1, an existing pipe 6 is sleeved in the internal sleeve 3, a prefabricated flared port 4 is arranged at the outer end of the internal sleeve 3, a first sealing structure 2 is arranged between the external sleeve 1 and the internal sleeve 3, and a second sealing structure 5 is arranged between the prefabricated flared port 4 and the existing pipe 6. The first sealing structure 2 and the second sealing structure 5 are sealing rubber rings and / or asphalt hemp fibers.

[0032] The first sealing structure 2 between the outer sleeve 1 and the inner sleeve 3 is preferably provided with a sealing rubber ring, which is a soft ring-shaped rubber ring, so that the inner sleeve 3 can be adjusted 360° in the outer sleeve, which is convenient for connecting the inner sleeve 3 with the existing pipe during installation. The first sealing structure 2 can also be a combination of a sealing rubber ring and asphalt hemp, that is, after fixing the inner sleeve 3 and the existing pipe, asphalt hemp is added to the sealing rubber ring for further sealing. The second sealing structure 5 between the prefabricated expansion 4 and the existing pipe 6 is preferably sealed with asphalt hemp.

[0033] The prefabricated flared opening 4 is a trumpet-shaped flared opening, which is convenient for insertion and connection with the existing pipe.

[0034] The present invention also discloses a sewage interception well with the above-mentioned telescopic socket joint, wherein opposite water inlets 7 and water outlets 8 are arranged on both sides of the sewage interception well body, and telescopic internal sleeves 3 are arranged in the water inlet 7 and the water outlet 8, or the telescopic internal sleeve 3 is arranged in one between the water inlet 7 and the water outlet, and the other is provided with a water outlet expansion 9, and the setting is adjusted according to needs.

[0035] This embodiment provides one of the situations, as shown in the attached Figure 4 and attached Figure 5 As shown, the water inlet 7 is provided with a water inlet flare 9, a water inlet pipe 10 is sleeved in the water inlet flare 9, and a sealing filler 15 is provided between the water inlet flare 9 and the water inlet pipe 10; a retractable internal sleeve 3 is sleeved in the water outlet 8, a prefabricated flare 4 is fixedly provided at the outer end of the internal sleeve 3, a water outlet pipe 11 is sleeved in the internal sleeve 3, a first sealing structure is provided between the water outlet 8 and the internal sleeve 3, and a sealing structure is provided between the internal sleeve 3 and the water outlet pipe 11.

[0036] The present invention also discloses a construction method of a sewage interception well with a telescopic socket joint, comprising the following steps:

[0037] In the following description, the present invention is described with reference to the construction of an integrated intelligent sewage interception well. In other cases, well-known structures, materials or operations are not shown or described in detail to avoid obscuring aspects of the present invention. In addition, it should be understood that the embodiments shown in the drawings are illustrative representations and are not necessarily drawn to scale.

[0038] At the same time, if the connection between the water inlet and other pipes is difficult to construct due to large errors, a retractable socket joint can be used. The reverse construction method described below is only one of the construction methods, not the only one, and is only used as an example.

[0039] 1) Construction of reverse wells, such as Figure 2As shown, excavation is carried out at the sewage interception well process position, and a reverse well is constructed above the existing pipe 6 or the new pipe; when the reverse well is constructed to the existing pipe 6 or the new pipe, the well wall is wrapped around the pipe and cast to ensure sealing and waterproofing.

[0040] 2) Leave extra length of the water inlet pipe 10 and the water outlet pipe 11, such as Figure 3 As shown, cut off the existing pipe 6 or the newly made pipe, leave the excess pipe length of the inlet pipe 10 and the outlet pipe 11 required by the process on both sides of the inlet and outlet, and continue to reverse to the bottom elevation of the well;

[0041] 3) Hoist the sewage interception well, and connect the retractable internal casing 3 in the sewage interception well water inlet 7 and water outlet 8 to the water inlet pipe 10 and the water outlet pipe 11 respectively; Figure 4 As shown, the present embodiment shows a situation where a retractable internal sleeve 3 is provided in the water outlet, and a water inlet flare 9 is provided in the water inlet 7. Specifically, after reverse working to the well bottom elevation, the well bottom plane is made, the sewage interception well is hoisted, and when hoisted into the sewage interception well, the whole is biased toward the water outlet pipe 11, the sewage interception well is translated to set the sewage interception well water inlet flare 9 into the water inlet pipe 10 long, the sewage interception well water outlet 8 is aligned with the water outlet pipe 11, and the sewage interception well is lowered and fixed; Figure 5 As shown, the inner casing 3 in the water outlet 8 of the sewage interception well is pulled out from the sewage interception well, and is put on the outside of the water outlet pipe 11 and the position of the inner casing 3 is fixed.

[0042] 4) The inner casing 3 is sealed with the sewage interception well outlet 8 and the outlet pipe 11, and the gap between the water inlet pipe 10 and the water inlet expansion 9 is sealed with filler. The present invention uses asphalt hemp for filler sealing.

[0043] 5) Connect the sewage interception port 12 of the sewage interception well to the sewage interception pipeline 13.

[0044] like Figure 5 As shown, if the position deviation between the sewage interception pipe 13 and the sewage interception port 12 is small, the sewage interception pipe 13 and the sewage interception port 12 are connected by a prefabricated flared joint 14, and the packing is sealed after being fixed firmly. Figure 6 As shown, if the position deviation between the sewage interception pipe 13 and the sewage interception port 12 is large, a small closed waterproof communication well 16 is made between the sewage interception pipe 13 and the sewage interception port 12, and a pressure-bearing well cover is set on the communication well 16.

[0045] The telescopic socket joint of the present invention enlarges the original water outlet pipe diameter, inserts the original water outlet part into the enlarged pipe to form a sleeve, and seals the two pipes with a sealing rubber ring to form a telescopic socket joint. When undertaking on-site, the sleeve is extended from the water outlet and inserted into the water outlet pipe, and the sleeve, the water outlet and the water outlet pipe are sealed with asphalt hemp.

[0046] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A sewage interception well with a telescopic socket joint, characterized in that: The telescopic socket plug comprises an external sleeve (1) and an internal sleeve (3); the internal sleeve (3) is telescopically sleeved in the external sleeve (1); the existing pipe (6) is sleeved in the internal sleeve (3); a prefabricated flared opening (4) is provided at the outer end of the internal sleeve (3); a first sealing structure (2) is provided between the external sleeve (1) and the internal sleeve (3); and a second sealing structure (5) is provided between the prefabricated flared opening (4) and the existing pipe (6); the prefabricated flared opening (4) is a trumpet-shaped flared opening; A water inlet flare (9) is provided on the water inlet (7) of the sewage interception well, a water inlet pipe (10) is sleeved in the water inlet flare (9), and a second sealing structure (5) is provided between the water inlet flare (9) and the water inlet pipe (10); A retractable internal sleeve (3) is movably arranged in the water outlet (8) of the sewage interception well, and a water outlet pipe (11) is sleeved in the internal sleeve (3). A first sealing structure (2) is arranged between the water outlet (8) and the internal sleeve (3), and a second sealing structure (5) is arranged between the internal sleeve (3) and the water outlet pipe (11); the first sealing structure (2) and the second sealing structure (5) are rubber rings and / or asphalt hemp fibers; the retractable socket joint enlarges the original water outlet pipe diameter, and forms a sleeve with the original water outlet part and the enlarged pipe, and the two pipes are sealed with a sealing rubber ring to form a retractable socket joint. When the socket is connected on site, the sleeve is extended from the water outlet and sleeved outside the water outlet pipe, and the sleeve and the water outlet pipe are sealed with asphalt hemp fibers, so that the connection error between the water outlet pipe and the water outlet is as large as 300 to 400 mm.

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