Grouting pipe capable of being repeatedly used

Abstract

The utility model relates to the technical field of grouting pipes, and discloses a reusable grouting pipe, which comprises a plastic inner pipe, foaming strips, a binding net sleeve and grouting holes, the outer wall of the plastic inner pipe is provided with four rows of grouting holes, one sides of the grouting holes are provided with the foaming strips, the outer walls of the foaming strips are in sliding connection with the outer wall of the plastic inner pipe, and the binding net sleeve is arranged on the outer wall of the plastic inner pipe. The outer wall of the foaming strip is sleeved with a position restraining net sleeve. The plastic inner pipe, the grouting hole, the foaming strip, the binding net sleeve and the like are arranged to be used in cooperation, when grouting sealing is needed, one end of the plastic inner pipe is blocked, grout is poured into the plastic inner pipe from the other end of the plastic inner pipe, due to the effect of pressure, the grout overflows from the grouting hole, so that the foaming strip is extruded, then the grout flows out of gaps of the binding net sleeve, and after grouting is completed, the grouting sealing effect is achieved. When grouting is needed, residual grout in the plastic inner pipe is discharged, the foaming strips can block the grouting holes under the action of the binding net sleeve to prevent the grout from flowing back, and when grouting is needed again, the steps are repeated.

Description

Technical Field

[0001] The utility model relates to the technical field of grouting pipes, in particular to a reusable grouting pipe. Background Art

[0002] Grouting pipe is a kind of construction equipment used in civil engineering. It is mainly used to inject grouting materials into underground structures to improve the stability and bearing capacity of soil or rock. Grouting pipe is usually composed of steel pipe or plastic pipe with a certain length and diameter. One end of the pipe is connected to the grouting equipment, and the other end is inserted into the underground structure by drilling or other means. There are usually valves or nozzles inside the pipe to control the flow and pressure of the grouting material.

[0003] But the following problems still exist:

[0004] Generally, grouting pipes are pre-buried in cracks, expansion joints, construction joints and structural joints of various buildings and underground concrete projects to stop leaks and seal. After grouting and sealing the grouting pipes, the situation inside the gaps is unclear, which may result in poor sealing. Therefore, it is necessary to grout and seal the grouting pipes again.

[0005] Therefore, we propose a reusable grouting tube to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a reusable grouting pipe. After grouting and sealing the grouting pipe in the building gap, if the building leaks or has poor sealing, grouting can be poured into the grouting pipe to seal the gap.

[0007] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0008] A reusable grouting pipe comprises a plastic inner pipe, a foam strip, a binding mesh sleeve and grouting holes. The outer wall of the plastic inner pipe is provided with four rows of grouting holes, one side of the grouting holes is provided with a foam strip, and the outer wall of the foam strip is slidably connected to the outer wall of the plastic inner pipe, and the outer wall of the foam strip is sleeved with a binding mesh sleeve.

[0009] Preferably, one end of the plastic inner tube is fixedly connected to a slurry inlet pipe, and the other end of the plastic inner tube is provided with a slurry outlet pipe, and one side of the slurry outlet pipe is provided with a slurry outlet valve.

[0010] Preferably, a slurry outlet groove is provided on the side wall of the plastic inner tube.

[0011] Preferably, a sealing strip is fixedly connected to the outer wall of the foaming strip, and the sealing strip is located above the slurry outlet groove.

[0012] Preferably, both ends of the restraining net sleeve are fixedly connected with fixing sleeves.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model cooperates with a plastic inner tube, grouting holes, foam strips and a binding net sleeve in use. When grouting and sealing are required, one end of the plastic inner tube is blocked, and slurry is poured into the plastic inner tube from the other end. Due to the effect of pressure, the slurry overflows from the grouting holes, thereby squeezing the foam strips and then flowing out from the gaps of the binding net sleeve. After the grouting is completed, the residual slurry in the plastic inner tube is discharged, and the foam strips block the grouting holes under the action of the binding net sleeve to prevent the slurry from flowing back. When grouting is required again, the above steps can be repeated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional structural schematic diagram of a reusable grouting pipe proposed by the utility model;

[0016] Figure 2 This is a schematic diagram of a side cross-sectional structure of a reusable grouting pipe proposed by the utility model;

[0017] Figure 3 The utility model is a front view structural schematic diagram of a reusable grouting pipe.

[0018] In the figure: 1. Plastic inner tube; 2. Foam strip; 3. Tie net sleeve; 4. Grouting hole; 5. Slurry inlet pipe; 6. Slurry outlet pipe; 7. Slurry outlet valve; 8. Slurry outlet groove; 9. Sealing groove strip; 10. Fixed sleeve. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only 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 creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-3 A reusable grouting pipe comprises a plastic inner tube 1, a foam strip 2, a binding mesh sleeve 3 and grouting holes 4. The outer wall of the plastic inner tube 1 is provided with 4 rows of grouting holes 4, a foam strip 2 is provided on one side of the grouting holes 4, and the outer wall of the foam strip 2 is slidably connected to the outer wall of the plastic inner tube 1, and the outer wall of the foam strip 2 is sleeved with a binding mesh sleeve 3.

[0021] It can be seen from the above structure that; by setting the plastic inner tube 1, grouting holes 4, foam strips 2 and the binding mesh sleeve 3 for use in combination, when grouting and sealing are required, one end of the plastic inner tube 1 is blocked, and slurry is poured into the plastic inner tube 1 from the other end. Due to the effect of pressure, the slurry will overflow from the grouting holes 4, thereby squeezing the foam strips 2, and then flowing out from the gaps of the binding mesh sleeve 3. After the grouting is completed, the residual slurry in the plastic inner tube 1 is discharged, and the foam strips 2 will block the grouting holes 4 under the action of the binding mesh sleeve 3 to prevent the slurry from flowing back. When grouting is needed again, the above steps can be repeated.

[0022] Furthermore, one end of the plastic inner tube 1 is fixedly connected to a slurry inlet pipe 5, and the other end of the plastic inner tube 1 is provided with a slurry outlet pipe 6, and one side of the slurry outlet pipe 6 is provided with a slurry outlet valve 7; by setting the slurry outlet valve 7, when grouting and sealing the plastic inner tube 1, it is only necessary to close the slurry outlet valve 7, and then the slurry can be poured into the plastic inner tube 1, and the slurry will overflow from the grouting hole 4 after passing through the obstruction of the slurry outlet valve 7. After the grouting is completed, the slurry outlet valve 7 is opened, and the slurry will automatically flow out, and the foam strip 2 blocks the grouting hole 4 under the action of the bundle mesh sleeve 3, thereby preventing the slurry from flowing back, so that the plastic inner tube 1 can be repeatedly grouted.

[0023] Furthermore, a slurry outlet groove 8 is provided on the side wall of the plastic inner tube 1 ; by providing the slurry outlet groove 8 , the slurry can flow out from the slurry outlet groove 8 , thereby reducing the working pressure of the binding net sleeve 3 .

[0024] Furthermore, a sealing strip 9 is fixedly connected to the outer wall of the foaming strip 2 , and the sealing strip 9 is located above the slurry outlet groove 8 ; by providing the sealing strip 9 , the slurry in the gap is prevented from flowing back into the plastic inner tube 1 .

[0025] Furthermore, the two ends of the binding mesh sleeve 3 are fixedly connected with fixing sleeves 10; by providing the fixing sleeves 10, the binding mesh sleeve 3 is prevented from spreading, causing the foaming strip 2 to shift, and then the slurry to flow back, resulting in grouting failure.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reusable grouting pipe, characterized in that: The invention comprises a plastic inner tube (1), a foaming strip (2), a binding mesh sleeve (3) and grouting holes (4); the outer wall of the plastic inner tube (1) is provided with four rows of grouting holes (4); a foaming strip (2) is provided on one side of the grouting holes (4); the outer wall of the foaming strip (2) is slidably connected to the outer wall of the plastic inner tube (1); the outer wall of the foaming strip (2) is sleeved with a binding mesh sleeve (3); the outer wall of the foaming strip (2) is fixedly connected with a sealing groove strip (9); the side wall of the plastic inner tube (1) is provided with a slurry outlet groove (8), and the sealing groove strip (9) is located above the slurry outlet groove (8).

2. A reusable grouting pipe according to claim 1, characterized in that: One end of the plastic inner tube (1) is fixedly connected to a slurry inlet pipe (5), and the other end of the plastic inner tube (1) is provided with a slurry outlet pipe (6), and one side of the slurry outlet pipe (6) is provided with a slurry outlet valve (7).

3. A reusable grouting pipe according to claim 1, characterized in that: Both ends of the restraining net sleeve (3) are fixedly connected with fixing sleeves (10).

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