Grouting pipe for auxiliary leaking stoppage of side wall

Abstract

The utility model discloses a grouting pipe used for auxiliary leaking stoppage of a side wall, which comprises a PVC pipe fitting and a cast iron pipe fitting, the cast iron pipe fitting is connected with the PVC pipe fitting into a whole through a sleeve, the cast iron pipe fitting comprises a cast iron through pipe, the discharge end of the cast iron through pipe is connected with a valve, and the valve is connected with the PVC pipe fitting. The feeding end of the cast iron through pipe is communicated with one end of a connecting pipe through a pipe connecting piece, the end, away from the pipe connecting piece, of the connecting pipe is communicated with a reducer pipe connector, and the end, away from the connecting pipe, of the reducer pipe connector is communicated with the PVC pipe fitting. According to the grouting pipe, the connecting pipe and the PVC pipe fitting are connected through the reducer pipe, so that when grouting is conducted through the PVC pipe fitting, the situation that the pipe is exploded due to the fact that the grouting amount is increased suddenly can be avoided, and the pipe explosion resistance of the grouting pipe is enhanced.

Description

Technical Field

[0001] The utility model belongs to the technical field of underground structure waterproof engineering, in particular to a grouting pipe used for auxiliary leakage blocking of side walls. Background Art

[0002] In the underground structure of subway stations, side wall leakage is a common problem due to the quality of waterproof membrane laying and concrete pouring and vibration. The traditional drilling and grouting method is costly and takes a long time to plug leaks.

[0003] To address this problem, the present application proposes a grouting pipe for auxiliary plugging of side walls to reduce leakage points and reduce the amount of traditional plugging. Utility Model Content

[0004] The utility model provides a grouting pipe for auxiliary leak plugging of a side wall, which can effectively solve the above problems.

[0005] The utility model is achieved in this way:

[0006] A grouting pipe for auxiliary plugging of side walls comprises a PVC pipe fitting and a cast iron pipe fitting, wherein the cast iron pipe fitting is connected to the PVC pipe fitting as a whole through a sleeve, wherein the cast iron pipe fitting comprises a cast iron through pipe, wherein the discharge end of the cast iron through pipe is connected to a valve, wherein the feed end of the cast iron through pipe is connected to one end of a connecting pipe through a pipe connector, wherein the end of the connecting pipe away from the pipe connector is connected to a reducer, and the end of the reducer away from the connecting pipe is connected to the PVC pipe fitting.

[0007] As a further improvement, the PVC pipe fitting includes a four-way pipe joint, one port of the four-way pipe joint is connected to the reducer pipe joint, one port of the four-way pipe joint away from the reducer pipe joint is connected to the feed pipe, and the other two ports of the four-way pipe joint are symmetrically connected and provided with grouting pipes.

[0008] As a further improvement, the inner diameter of the reducer pipe connector gradually increases from one side of the four-way pipe connector to one side of the connecting pipe.

[0009] As a further improvement, the grouting through pipe includes a threaded connecting pipe, the threaded connecting pipe is connected to the four-way pipe connection, and one end of the threaded connecting pipe away from the four-way pipe connection is connected to the feed pipe.

[0010] As a further improvement, the feed pipe includes a connecting portion, one end of which is threadedly and sealingly connected to the threaded connecting pipe, and one end of the connecting portion away from the threaded connecting pipe is bent upward and extended to form the feed portion.

[0011] As a further improvement, a sealing rubber ring is provided at the connection between the cast iron through pipe and the connecting pipe.

[0012] As a further improvement, a sealing rubber ring is also provided at the connection between the threaded connecting pipe and the cross-way pipe joint.

[0013] As a further improvement, a sealing rubber ring is also provided at the connection between the connecting pipe and the PVC pipe fitting.

[0014] The beneficial effects of the utility model are:

[0015] 1. Cast iron pipe fittings are connected to PVC pipe fittings as a whole, so that cast iron pipe fittings can be used as wall-penetrating pipes to ensure that the strength of the pipe fittings is high and it is not easy for the pipe fittings to be deformed and flattened, thus avoiding the pressure generated by the pouring of side wall concrete from flattening the grouting pipe, which will lead to the subsequent inability to grouting.

[0016] 2. Use a valve connected to the discharge end of the cast iron pipe so that after the grouting process is completed, the slurry can be prevented from flowing out by closing the valve.

[0017] 3. Use a reducer to connect the connecting pipe and the PVC pipe fittings, so that when grouting is performed through the PVC pipe fittings, the sudden increase in grouting volume and the occurrence of pipe burst can be avoided, that is, the anti-burst ability of the grouting pipe is enhanced.

[0018] 4. Use a four-way pipe to connect the feed pipe and the grouting pipe, so that the slurry can be injected more easily and the injection effect of the slurry is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the use state of the utility model.

[0022] Reference numerals:

[0023] 1-side wall, 2-grouting pipe, 201-valve, 202-cast iron pipe, 203-pipe fittings, 204-connecting pipe, 205-reducing pipe joint, 206-four-way pipe joint, 207-feed pipe, 208-grouting pipe, 3-waterproof membrane, 4-enclosing structure. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is sought, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the utility model.

[0025] In the description of the present invention, the terms "upper", "lower", "above", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] Reference Figure 1-2 As shown, this embodiment provides a grouting pipe for auxiliary plugging of side walls, including PVC pipe fittings and cast iron pipe fittings, the cast iron pipe fittings are connected to the PVC pipe fittings as a whole through sleeves, the cast iron pipe fittings include a cast iron through pipe 202, the discharge end of the cast iron through pipe 202 is connected to a valve 201, the feed end of the cast iron through pipe 202 is connected to one end of a connecting pipe 204 through a pipe connector 203, the end of the connecting pipe 204 away from the pipe connector 203 is connected to a reducer 205, and the end of the reducer 205 away from the connecting pipe 204 is connected to the PVC pipe fitting.

[0027] The cast iron pipe fittings are connected to the PVC pipe fittings as a whole, so that the cast iron pipe fittings can ensure the high strength of the pipe fittings when used as wall-penetrating pipes, and are not prone to deformation and flattening of the pipe fittings, thereby avoiding the pressure generated by the concrete pouring of the side wall 1 from flattening the grouting pipe 2, thereby causing subsequent grouting to be impossible; secondly, the valve 201 is connected to the discharge end of the cast iron through pipe 202, so that after the grouting process is completed, the slurry can be prevented from flowing out by closing the valve 201; finally, the reducer 205 is used to connect the connecting pipe 204 and the PVC pipe fittings, so that when grouting is performed through the PVC pipe fittings, the sudden increase in the grouting volume and the occurrence of pipe burst can be avoided, that is, the anti-burst pipe ability of the grouting pipe 2 is enhanced.

[0028] Furthermore, the PVC pipe fitting includes a four-way pipe connector 206, one port of the four-way pipe connector 206 is connected to the reducer pipe connector 205, one port of the four-way pipe connector 206 away from the reducer pipe connector 205 is connected to the feed pipe 207, and the other two ports of the four-way pipe connector 206 are symmetrically connected to grouting pipes 208.

[0029] The four-way pipe joint 206 is used to connect the feed pipe 207 and the grouting pipe 208, so that the slurry can be injected more easily during grouting, and the injection effect of the slurry is better.

[0030] Furthermore, the inner diameter of the reducer pipe connector 205 gradually increases from one side of the cross-way pipe connector 206 to one side of the connecting pipe 204 .

[0031] Furthermore, the grouting through pipe 208 includes a threaded connecting pipe 204 , the threaded connecting pipe 204 is connected to the four-way pipe connection 206 , and one end of the threaded connecting pipe 204 away from the four-way pipe connection 206 is connected to the feed pipe.

[0032] Furthermore, the feed pipe includes a connecting portion, one end of which is threadedly and sealingly connected to the threaded connecting pipe 204 , and one end of the connecting portion away from the threaded connecting pipe 204 is bent upward and extended to form the feed portion.

[0033] Furthermore, a sealing rubber ring is also provided at the connection between the threaded connecting pipe 204 and the cross-way pipe connector 206 .

[0034] By providing a sealing rubber ring at the connection between the threaded connecting pipe 204 and the cross-way pipe connector 206 and matching the internal thread connection, the connection between the threaded connecting pipe 204 and the cross-way pipe connector 206 is made more airtight, thereby avoiding leakage during the grouting process.

[0035] Furthermore, a sealing rubber ring is provided at the connection between the cast iron through pipe 202 and the connecting pipe 204 .

[0036] Furthermore, a sealing rubber ring is also provided at the connection between the connecting pipe 204 and the PVC pipe fitting.

[0037] By providing sealing rubber rings at the connection between the cast iron through pipe 202 and the connecting pipe 204 and at the connection between the connecting pipe 204 and the PVC pipe fitting, the overall air tightness of the grouting pipe 2 can be ensured to avoid leakage during the grouting process.

[0038] The installation process of the utility model is as follows: first, the cast iron pipe fittings are pre-buried in the side wall 1, and then the cast iron pipe fittings and the PVC pipe fittings are connected into a whole through the sleeve, wherein the PVC pipe fittings are in close contact with the enclosure structure 4, and the cast iron pipe fittings extend out of the steel frame of the side wall 1, and then the extruded board is used for sealing, so that the cast iron pipe fittings are in close contact with the side wall 1 template, and then the grouting pipe 2 is passed through the waterproof membrane 3 with tape and firmly adhered around, and try to leave no gap between the two, and then the cast iron pipe fittings are fixed to the steel frame of the side wall 1 by wire tying to ensure that the cast iron pipe fittings are firm, and then after the concrete pouring of the side wall 1 is completed, the sealing extruded board is taken out, the valve 201 is installed on the cast iron pipe fitting, and then the sealant is injected into the gap between the waterproof membrane 3 and the enclosure structure 4 through the grouting pipe 208 through the construction high-pressure grouting equipment to complete the grouting process.

[0039] The pipe opening of the cast iron pipe fitting is sealed by an extruded plate, which can not only seal the pipe opening well but also facilitate removal in the later stage. Then, when the valve 201 is connected to the cast iron pipe fitting, there is no need to chisel out the concrete at the pipe opening, thereby ensuring the integrity of the side wall 1 structure and reducing the workload of workers.

[0040] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A grouting pipe for auxiliary plugging of side walls, characterized in that: It includes PVC pipe fittings and cast iron pipe fittings, the cast iron pipe fittings are connected to the PVC pipe fittings as a whole through sleeves, the cast iron pipe fittings include cast iron through pipes, the discharge end of the cast iron through pipes is connected with a valve, the feed end of the cast iron through pipes is connected with one end of a connecting pipe through a pipe connector, the end of the connecting pipe away from the pipe connector is connected with a reducer, and the end of the reducer away from the connecting pipe is connected with the PVC pipe fittings.

2. The grouting pipe for auxiliary plugging of side wall according to claim 1, characterized in that: The PVC pipe fitting comprises a four-way pipe joint, one port of which is connected to the reducer pipe joint, one port of which is away from the reducer pipe joint and is connected to a feed pipe, and the other two ports of the four-way pipe joint are symmetrically connected and provided with grouting pipes.

3. The grouting pipe for auxiliary plugging of side wall according to claim 2, characterized in that: The inner diameter of the reducer pipe joint gradually increases from one side of the four-way pipe joint to one side of the connecting pipe.

4. The grouting pipe for auxiliary plugging of side wall according to claim 2, characterized in that: The grouting through pipe comprises a threaded connecting pipe, the threaded connecting pipe is communicated with the four-way pipe connection, and one end of the threaded connecting pipe away from the four-way pipe connection is communicated with the feed pipe.

5. The grouting pipe for auxiliary plugging of side wall according to claim 4, characterized in that: The feed pipe comprises a connecting portion, one end of which is threadedly sealed and connected to the threaded connecting pipe, and one end of the connecting portion away from the threaded connecting pipe is bent upward and extends to form the feed portion.

6. The grouting pipe for auxiliary plugging of side wall according to claim 1, characterized in that: A sealing rubber ring is provided at the connection between the cast iron through pipe and the connecting pipe.

7. The grouting pipe for auxiliary plugging of side wall according to claim 4, characterized in that: A sealing rubber ring is also provided at the connection between the threaded connecting pipe and the cross-connection pipe.

8. The grouting pipe for auxiliary plugging of side wall according to claim 1, characterized in that: A sealing rubber ring is also provided at the connection between the connecting pipe and the PVC pipe fitting.

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