Underground engineering through-wall pipe waterproof structure

Abstract

An underground engineering through-wall pipe waterproof structure comprises an extension pipe which is connected with a casing pipe of a through-wall pipe and extends out of a wall body. The heat shrinkage pipe is arranged on the extension pipe in a sleeving manner and extends to an inner pipe of the through-wall pipe, and the heat shrinkage pipe is combined with the extension pipe and the inner pipe in a sealing manner; and an epoxy resin-based adhesive; an annular groove is formed in the periphery of the end, corresponding to the sleeve, of the wall body, the annular groove is filled with the epoxy resin adhesive, and the epoxy resin adhesive is combined with the wall body and the sleeve in a sealed mode. Water prevention between the sleeve and the inner pipe is achieved through the extension pipe and the heat shrinkage pipe which are connected to the sleeve, the annular groove is formed between the periphery of the end of the sleeve and the wall, the annular groove is filled with the epoxy resin adhesive, water prevention between the sleeve and the wall is achieved, a waterproof structure and a construction method are greatly simplified, cost can be reduced, and the construction efficiency is improved. The construction speed is increased. The waterproof structure can be applied to a single pipe and can also be applied to a group pipe.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground engineering waterproof technical field, specifically underground engineering wall pipe waterproof structure. BACKGROUND

[0002] The underground engineering wall pipe is the waterproof key part, and waterproof treatment is needed between the sleeve pipe and the inner pipe of the wall pipe and between the sleeve pipe and the wall body, the method in the current national standard GB50108-2008 is welding the water stop ring outside the sleeve pipe, the sleeve pipe and the inner pipe are stopped water with filling sealing material and extruded rubber ring, during construction, first fill the backing material between the sleeve pipe and the inner pipe of the water surface, then fill the sealing material, press the rubber ring between the sleeve pipe and the inner pipe of the backwater surface, set bolt outside the sleeve pipe, set the short pipe with flange plate outside the inner pipe, the flange plate is connected with the bolt and fixes the short pipe in the sleeve pipe, and the short pipe presses the rubber ring, so that the rubber ring is fixed between the sleeve pipe and the inner pipe. 、 The waterproof structure has the defects of complex structure, difficult construction, low waterproof reliability and the like, and needs to be further improved. TECHNICAL SOLUTION

[0003] The utility model aims at providing underground engineering wall pipe waterproof structure to solve the above-mentioned defects of prior art.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of underground engineering wall pipe waterproof structure, it includes with the sleeve pipe of the wall pipe connection and the extension pipe that protrudes wall body;Hot shrinkable tube is sleeved to the extension pipe outside and extends to the inner pipe outside of the wall pipe, and the hot shrinkable tube is sealedly combined with the extension pipe and the inner pipe respectively;And epoxy resin adhesive;The wall body is provided with annular groove corresponding to the end of the sleeve pipe, and the epoxy resin adhesive is filled in the annular groove, and the epoxy resin adhesive is sealedly combined with the wall body and the sleeve pipe respectively.

[0006] In some embodiments, the sleeve pipe includes a first end for connecting the extension pipe, and the end face of the first end is recessed into the wall body, and the epoxy resin adhesive is also sealedly combined with the extension pipe.

[0007] In some embodiments, the sleeve pipe includes a socket spigot, and the extension pipe is connected to the socket spigot.

[0008] In some embodiments, the sleeve pipe further includes a plug for use when casting the wall body, and the plug includes a first annular protrusion extending to the outer periphery of the sleeve pipe, and the first annular protrusion is used to reserve the annular groove when casting the wall body.

[0009] In some embodiments, the plug is provided with an escape hole, and the escape hole has the same extension direction as the sleeve.

[0010] In some embodiments, the sleeve further comprises a bolt for use in casting the wall, the bolt being arranged in the pipe body of the sleeve, the spigot straight-through, and the escape hole, and the bolt is used to combine the pipe body, the spigot straight-through, and the plug into one.

[0011] In some embodiments, the middle part of the spigot straight-through comprises a second inward annular protrusion, and the pipe body of the sleeve and the extension pipe are arranged on both sides of the second annular protrusion, and the pipe body and the extension pipe are respectively in abutting engagement with the second annular protrusion.

[0012] In some embodiments, the inner wall of the spigot straight-through, the extension pipe, and the heat shrinkable tube, and the inner tube and the heat shrinkable tube are respectively provided with a glue layer. The glue layer of the inner wall of the spigot straight-through is preferably a solvent glue, and the glue layers between the extension pipe and the heat shrinkable tube, and between the inner tube and the heat shrinkable tube are preferably epoxy resin adhesives.

[0013] In some embodiments, the thickness of the heat shrinkable tube is 1.5 mm to 3 mm.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] The utility model discloses a waterproof structure and construction method, which realizes waterproofing between the sleeve and the inner tube through the extension pipe and the heat shrinkable tube connected to the sleeve, fills the epoxy resin adhesive in the annular groove between the peripheral edge of the end of the sleeve and the wall to realize waterproofing between the sleeve and the wall, greatly simplifies the waterproof structure and construction method, reduces the cost, and improves the construction speed. Compared with the sealant commonly used in the building industry, such as silicone glue, polysulfide glue, polyurethane glue, butyl glue, and acrylic glue, the epoxy resin adhesive has the characteristics of high bonding strength, long service life, and adaptability to humid environments, and can improve the waterproof reliability.

[0016] The waterproof structure can be applied to a single pipe or a group of pipes. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of some embodiments of the underground engineering through-wall pipe waterproof structure;

[0018] Figure 2 It is a schematic view of the sleeve;

[0019] Figure 3 It is a state view after the wall pouring is completed and the formwork and the plug are removed;

[0020] Figure 4A state diagram after the extension pipe is connected and the epoxy resin-based adhesive is injected into the annular groove;

[0021] Figure 5 A state diagram after the inner pipe and the heat shrinkable pipe are installed;

[0022] Figure 6 A state diagram after the heat shrinkable pipe is combined with the extension pipe and the inner pipe;

[0023] Figure 7 A state diagram of the sleeve between the templates when applied to the cluster pipe;

[0024] Figure 8 A schematic diagram of the final cluster pipe;

[0025] Reference signs:

[0026] 1, inner pipe; 2, annular groove; 3, sleeve; 31, pipe body; 32, socket through; 33, plug; 34, bolt; 321, second annular protrusion; 331, first annular protrusion; 332, avoiding hole; 4, wall body; 5, extension pipe; 6, heat shrinkable pipe; 7, glue layer; 8, epoxy resin-based adhesive; 9, template. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.), the directional indications are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications also change accordingly.

[0029] In addition, if the description of "first" or "second" or the like is involved in the embodiments of the present application, the description of "first" or "second" or the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0030] Referring to Figure 1 The waterproof structure of the underground engineering pipe penetrating wall of some embodiments includes a lengthening pipe 5 connected with the sleeve pipe 3 of the pipe penetrating wall and extending out of the wall 4, a heat shrinkable pipe 6 sleeved outside the lengthening pipe 5 and extending to the outside of the inner pipe 1 of the pipe penetrating wall, the heat shrinkable pipe 6 is sealingly combined with the lengthening pipe 5 and the inner pipe 1 respectively, and an epoxy resin adhesive 8, the wall 4 is provided with a ring groove 2 corresponding to the end peripheral edge of the sleeve pipe 3, the epoxy resin adhesive 8 is filled in the ring groove 2, and the epoxy resin adhesive 8 is sealingly combined with the wall 4 and the sleeve pipe 3 respectively.

[0031] In the above embodiment, the waterproof structure between the sleeve pipe 3 and the inner pipe 1 is realized by the lengthening pipe 5 connected with the sleeve pipe 3 and the heat shrinkable pipe 6, the waterproof structure between the sleeve pipe 3 and the wall 4 is realized by setting the ring groove 2 between the end peripheral edge of the sleeve pipe 3 and the wall 4 and filling the epoxy resin adhesive 8 in the ring groove 2, so that the waterproof structure and the construction method are greatly simplified, the cost can be reduced, and the construction speed can be improved.

[0032] The sleeve pipe 3 includes a first end for connecting the lengthening pipe 5, Figure 1 The left end of the sleeve pipe 3 in the sleeve pipe 3 is the first end of the sleeve pipe 3.

[0033] Optionally, the end face of the first end is recessed into the wall 4, and the epoxy resin adhesive 8 is also sealingly combined with the lengthening pipe 5. In this optional way, the epoxy resin adhesive 8 not only has a waterproof effect between the sleeve pipe 3 and the wall 4, but also has a waterproof effect between the lengthening pipe 5 and the wall 4, and an auxiliary fixing effect on the lengthening pipe 5.

[0034] In combination Figure 1 And Figure 2 Optionally, the sleeve pipe 3 includes a socket through 32, and the lengthening pipe 5 is connected to the socket through 32.

[0035] Specifically, the pipe body 31 of the sleeve pipe 3 is inserted into the socket through 32 from one end of the socket through 32, the lengthening pipe 5 is inserted into the socket through 32 from the other end of the socket through 32, and the lengthening pipe 5 and the pipe body 31 of the sleeve pipe 3 are connected as a whole through the socket through 32.

[0036] The pipe body 31 of the extension pipe 5 and the sleeve pipe 3 is connected by the spigot-through 32, and the pipe body 31 of the extension pipe 5 and the sleeve pipe 3 can adopt the same specification pipe body, the gap between the inner pipe 1 and the sleeve pipe 3 is equal to the gap between the inner pipe 1 and the extension pipe 5.

[0037] In combination Figure 1 and Figure 2 , the middle part of the spigot-through 32 includes a second annular protrusion 321 inwardly, and the pipe body 31 of the sleeve pipe 3 and the extension pipe 5 are arranged on both sides of the second annular protrusion 321, and the pipe body 31 and the extension pipe 5 are respectively in abutting connection with the second annular protrusion 321.

[0038] Specifically, the height of the second annular protrusion 321 is substantially equal to the thickness of the pipe wall of the extension pipe 5, the end of the extension pipe 5 is in abutting connection with the left end of the second annular protrusion 321, and the end of the pipe body 31 of the sleeve pipe 3 is in abutting connection with the right end of the second annular protrusion 321.

[0039] The connection length of the extension pipe 5 and the spigot-through 32, and the connection length of the pipe body 31 of the sleeve pipe 3 and the spigot-through 32 are defined by the second annular protrusion 321, which can avoid that the length of the extension pipe 5 inserted into the spigot-through 32 is too short, or the length of the pipe body 31 of the sleeve pipe 3 inserted into the spigot-through 32 is too short, and ensure the reliable connection of the extension pipe 5 and the sleeve pipe 3.

[0040] The inner wall of the spigot-through 32 is provided with a glue layer, which plays a role of adhesion and waterproof. Specifically, the glue layer adopts solvent glue. The solvent glue has the characteristics of fast curing speed, high adhesion strength and long service life, and the embodiment improves the connection reliability of the extension pipe 5 and the sleeve pipe 3 by setting the solvent glue on the inner wall of the spigot-through 32.

[0041] The thickness of the heat shrinkable tube 6 is preferably 1.5mm to 3mm, such as 1.5mm, 2mm, 2.5mm, 3mm, etc.

[0042] The glue layer 7 is arranged between the extension pipe 5 and the heat shrinkable tube 6, and between the inner pipe 1 and the heat shrinkable tube 6. Specifically, the glue layer 7 adopts epoxy resin glue. Compared with hot melt glue, the epoxy resin glue has high adhesion strength and long service life, and the embodiment improves the sealing connection reliability and service life of the heat shrinkable tube 6, the extension pipe 5 and the inner pipe 1 by arranging the epoxy resin glue between the extension pipe 5 and the heat shrinkable tube 6, and between the inner pipe 1 and the heat shrinkable tube 6.

[0043] In combination Figure 1 and Figure 2 , the sleeve pipe 3 further includes a plug 33, the plug 33 includes a first annular protrusion 331 extending to the outer periphery of the sleeve pipe 3, and the plug 33 is used when the cast-in-place wall 4 is formed, and the first annular protrusion 331 is used to reserve the annular groove 2 when the cast-in-place wall 4 is formed.

[0044] Optionally, the first annular protrusion 331 is tapered to facilitate removal of the plug 33 after the wall 4 is cast.

[0045] Optionally, the plug 33 is provided with an escape hole 332, which extends in the same direction as the sleeve 3.

[0046] In combination Figure 1 and Figure 2 , the sleeve 3 further comprises a bolt 34 for use in casting the wall 4, which is threaded through the pipe body 31 of the sleeve 3, the socket 32, and the escape hole 332, and is used to combine the pipe body 31, the socket 32, and the plug 33 into one.

[0047] Specifically, the socket 32 is connected to the pipe body 31 of the sleeve 3, the plugs 33 are installed at both ends of the sleeve 3, the sleeve 3 is placed between the casting forms 9, the bolt 34 is threaded through the forms 9 and the sleeve 3, a nut is screwed onto the bolt 34, and the sleeve 3 is fixed between the forms 9.

[0048] The specific construction method is as follows:

[0049] Step 1, as shown in Figure 2 , the sleeve 3 is installed between the forms 9;

[0050] Step 2, the wall 4 is cast, and after casting is completed, the forms 9 and the plugs 33 at both ends of the sleeve 3 are removed, and the state after removal is shown in Figure 3 , the wall 4 is formed with an annular groove 2 corresponding to the end periphery of the sleeve 3;

[0051] Step 3, the extension pipe 5 is bonded to the socket 32 with solvent glue, and the annular groove 2 between the sleeve 3 and the wall 4 is filled with epoxy resin glue, as shown in Figure 4 , at this time, the sealing between the outside of the sleeve 3 and the wall 4 is completed;

[0052] Step 4, as shown in Figure 5 , the inner pipe 1 is threaded through the sleeve 3 and the extension pipe 5, and a layer of glue 7 is applied to the bonding part at the root of the extension pipe 5 and the outside of the inner pipe 1, the glue 7 is epoxy resin glue, and a 2mm thick heat shrinkable tube 6 is sleeved;

[0053] Step 5, the heat shrinkable tube 6 is heated with a hot air gun, so that the heat shrinkable tube 6 shrinks tightly and is bonded to the outside of the extension pipe 5 and the outside of the inner pipe 1, as shown in Figure 6 .

[0054] At this point, the sealing of the inner pipe 1 with the sleeve 3, and the sealing of the sleeve 3 with the wall 4 are completed.

[0055] The waterproof structure does not need to weld a water stop ring outside the sleeve pipe 3, does not have a rubber ring, and does not have a flange short pipe for fixing the rubber ring, is simple in structure, occupies a smaller area of the wall body 4, and thus can also be applied to group pipes.

[0056] As shown in Figure 7 When applied to a group pipe, the sleeve pipe 3 is installed between the templates 9 according to the layout of the group pipe, and then the above steps 2 to 5 are performed, and finally the group pipe is as shown in Figure 8 .

[0057] The utility model is described in detail through specific embodiments, and the detailed description is only limited to helping the person skilled in the art to understand the content of the utility model, and cannot be understood as the limitation of the protection scope of the utility model. Various decorations, equivalent transformations and the like of the above scheme performed by the person skilled in the art under the concept of the utility model should be included in the protection scope of the utility model.

Claims

1. An underground engineering through-wall pipe waterproof structure, characterized in that: it comprises a splicing pipe (5) connected with a sleeve pipe (3) of the through-wall pipe and extending out of a wall body (4); a heat shrinkable pipe (6) sleeved outside the splicing pipe (5) and extending to outside of an inner pipe (1) of the through-wall pipe, the heat shrinkable pipe (6) being sealingly combined with the splicing pipe (5) and the inner pipe (1) respectively; and an epoxy resin adhesive (8); the wall body (4) is provided with an annular groove (2) corresponding to a peripheral edge of an end portion of the sleeve pipe (3), the epoxy resin adhesive (8) being filled in the annular groove (2) and sealingly combined with the wall body (4) and the sleeve pipe (3) respectively.

2. The underground engineering through-wall pipe waterproof structure according to claim 1, characterized in that: the sleeve pipe (3) comprises a first end for connecting the splicing pipe (5), an end face of the first end being recessed into the wall body (4), the epoxy resin adhesive (8) being further sealingly combined with the splicing pipe (5).

3. The underground engineering through-wall pipe waterproof structure according to claim 1, characterized in that: the sleeve pipe (3) comprises a spigot (32), the splicing pipe (5) being connected to the spigot (32).

4. The underground engineering through-wall pipe waterproof structure according to claim 3, characterized in that: the sleeve pipe (3) further comprises a plug (33) for use in casting the wall body (4), the plug (33) comprising a first annular protrusion (331) extending to an outer periphery of the sleeve pipe (3), the first annular protrusion (331) being used for reserving the annular groove (2) when the wall body (4) is cast.

5. The underground engineering through-wall pipe waterproof structure according to claim 4, characterized in that: the plug (33) is provided with an avoiding hole (332), an extending direction of the avoiding hole (332) being the same as an extending direction of the sleeve pipe (3).

6. The underground engineering through-wall pipe waterproof structure according to claim 5, characterized in that: the sleeve pipe (3) further comprises a bolt (34) for use in casting the wall body (4), the bolt (34) being arranged in a pipe body (31) of the sleeve pipe (3), the spigot (32) and the avoiding hole (332), the bolt (34) being used for combining the pipe body (31), the spigot (32) and the plug (33) into one body.

7. The underground engineering through-wall pipe waterproof structure according to claim 3, characterized in that: a middle portion of the spigot (32) comprises a second annular protrusion (321) inwardly, the pipe body (31) of the sleeve pipe (3) and the splicing pipe (5) being arranged on two sides of the second annular protrusion (321), the pipe body (31) and the splicing pipe (5) being respectively abuttingly matched with the second annular protrusion (321).

8. The underground engineering through-wall pipe waterproof structure according to claim 3, characterized in that: ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ The inner wall of the spigot straight-through (32), the space between the extension pipe (5) and the heat shrinkable tube (6), and the space between the inner pipe (1) and the heat shrinkable tube (6) are respectively provided with a glue layer (7).

9. The waterproof structure of the underground engineering wall pipe according to claim 8, characterized in that: The glue layer (7) of the inner wall of the spigot straight-through (32) is solvent glue, The glue layer (7) between the extension pipe (5) and the heat shrinkable tube (6), and the glue layer (7) between the inner pipe (1) and the heat shrinkable tube (6) are epoxy resin adhesives.

10. The waterproof structure of the underground engineering wall pipe according to claim 1, characterized in that: The thickness of the heat shrinkable tube (6) is 1.5 mm to 3 mm.

Images