CN216379532U - Expansion type grouting pipe - Google Patents
Expansion type grouting pipe Download PDFInfo
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- CN216379532U CN216379532U CN202122267189.9U CN202122267189U CN216379532U CN 216379532 U CN216379532 U CN 216379532U CN 202122267189 U CN202122267189 U CN 202122267189U CN 216379532 U CN216379532 U CN 216379532U
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- grouting pipe
- grouting
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- injection
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Abstract
The utility model discloses an expansion type grouting pipe, which comprises a grouting pipe made of an elastic material, wherein the grouting pipe is of a hollow structure with an opening at the upper end and a closed lower end, the upper end of the grouting pipe is convexly provided with a cylindrical connecting part along the length direction of the grouting pipe, the end surface of the connecting part is provided with a grouting opening along the vertical direction, and the grouting opening extends inwards and is communicated with the inside of the grouting pipe; the pipe wall part of the grouting pipe close to the connecting part and the lower end is uniformly divided into a plurality of parts, so that the grouting pipe is cracked; a pipe sleeve is arranged outside the grouting pipe and covers the grouting pipe; the pipe sleeve is made of rubber, a thermoplastic film or thermoplastic silk stockings; the utility model has the advantages of simple structure and convenient use, and can be well used for repairing underground large holes and underground piling under the built building.
Description
Technical Field
The utility model relates to the field of building grouting equipment, in particular to an expansion type grouting pipe.
Background
The grouting pipe is a pre-buried grouting pipe system and is used for permanent sealing of construction joints, cold joints, pipe seepage joints, gaps between ground walls and the like in concrete, namely, grout is injected into the pre-buried grouting pipe to seal the construction joints, the cold joints, the pipe seepage and the joints between the ground walls. It is very suitable to install grout pipes between the joints of new and old concrete. When water penetrates into the joint, the joint can be sealed by injecting slurry into the PVC port set on the surface to seal the joint. The proper grouting time can be selected to perform grouting after the concrete curing is finished. The leak seams can also be made permanently sealed in this way. The grouting pipes are divided into disposable grouting pipes (CCLL-Y grouting pipes, QDM-IT grouting pipes and CCLL-Y full-section grouting pipes) and repetitive grouting pipes (CCLL-D grouting pipes and CCLL-D full-section grouting pipes). The repetitive grouting pipe can be repeatedly used for many times, and the pipe core and the outer wall of the pipe need to be washed clean every time when the repetitive grouting pipe is used up. When large holes are repaired underground or underground piles are built under a built building, the existing grouting pipes cannot meet the building requirements; therefore, an expansion type grouting pipe which is simple in structure and convenient to use is needed, and the expansion type grouting pipe can be well used for repairing underground large holes and performing underground pile building under buildings.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art, provides the expansion type grouting pipe which is simple in structure and convenient to use, and can be well used for repairing underground large holes and underground pile construction under a built building.
In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows: an expanding grout tube comprising:
the grouting pipe comprises a grouting pipe body and a grouting pipe body, wherein the grouting pipe body is formed by adopting an elastic material through extrusion molding, the upper end of the grouting pipe body is of a hollow structure with an opening at the upper end and a closed lower end, a cylindrical connecting part is arranged at the upper end of the grouting pipe body in a protruding mode along the length direction of the grouting pipe body, a grouting opening is formed in the end face of the connecting part in the vertical direction, and the grouting opening extends inwards to be communicated with the inside of the grouting pipe body; the pipe wall part of the grouting pipe body, which is close to the connecting part and the lower end edge, is uniformly divided into a plurality of expansion parts along the length direction of the pipe wall part, so that the pipe wall of the grouting pipe body is cracked; a gap is formed between every two adjacent expansion parts; the split extends to two ends of the grouting pipe body along the length direction of the grouting pipe body;
the pipe sleeve is arranged outside the grouting pipe body, extends downwards from the upper end of the grouting pipe body to the lower end of the grouting pipe body and covers the grouting pipe body; when the pipe sleeve is extruded by the slurry or the expansion part, the pipe sleeve is in an expansion deformation state.
Preferably, the outer wall of the connecting part is provided with an external thread.
Specifically, the external thread is arranged on the outer wall of the connecting part, so that the grouting pipe body is conveniently in threaded connection with other parts, or when the length of the grouting pipe is not enough and a plurality of sections of grouting pipes need to be connected,
preferably, the pipe wall part of the grouting pipe body, which is close to the connecting part and the lower end, is uniformly provided with a plurality of grout outlet holes along the radial direction, and the grout outlet holes penetrate through the inner surface and the outer surface of the grouting pipe body and extend inwards to be communicated with the inside of the grouting pipe body.
Specifically, the slurry outlet holes are formed in the pipe wall of the grouting pipe body, so that slurry injected into the grouting pipe body can enter the pipe sleeve, the pipe sleeve expands and deforms under the extrusion of the slurry, and meanwhile, the slurry cannot flow everywhere under the wrapping of the pipe sleeve, and the slurry can be solidified in a concentrated mode.
Preferably, the outer diameter of the slip casting pipe body is larger than the outer diameter of the connection part.
Preferably, the pipe wall part of the grouting pipe body, which is close to the connecting part and the lower end of the grouting pipe, is uniformly divided into 3-6 expansion parts.
Specifically, the pipe wall part of the grouting pipe body, which is close to the connecting part and the lower end of the grouting pipe, is divided into a plurality of parts, so that when the expansion part of the grouting pipe body is extruded by slurry, the expansion part is expanded and deformed, the pipe sleeve is expanded and deformed along with the expansion part, meanwhile, the slurry flows into the pipe sleeve through the cracking part of the grouting pipe body, and the slurry is prevented from flowing everywhere under the wrapping of the pipe sleeve, so that the slurry can be intensively solidified.
Preferably, the grouting pipe body is made of plastic, and the plurality of expansion parts of the grouting pipe body are extruded and deformed by the slurry during grouting to enable the grouting pipe body to be in an expansion state.
Preferably, the material of the pipe sleeve is rubber, thermoplastic film or thermoplastic silk stockings.
Specifically, the material of the pipe sleeve is preferably rubber, and the pipe sleeve has a good expansion coefficient due to the good elasticity of the rubber, and is not easily broken when being squeezed by slurry or an expansion part.
Advantageous effects
Compared with the prior art, the utility model has the following beneficial effects: the utility model provides an expansion type grouting pipe which is simple in structure and convenient to use, and comprises a grouting pipe body, wherein the pipe wall of the grouting pipe body is divided into a plurality of expansion parts, so that the pipe wall of the grouting pipe body is in a cracking shape, the pipe wall part of the grouting pipe body, which is close to the connecting part and the lower end of the grouting pipe, is divided into a plurality of parts, so that when the expansion part of the grouting pipe body is extruded by slurry, a pipe sleeve is coated on the outer wall of the grouting pipe body, the pipe sleeve expands and deforms along with the expansion parts, in addition, the slurry flows into the pipe sleeve through the cracking part of the grouting pipe body, and under the coating of the pipe sleeve, the slurry is ensured not to flow everywhere, so that the slurry can be intensively solidified, and the expansion type grouting pipe can be well used for repairing underground large holes and underground pile construction under a built building.
Drawings
Fig. 1 is a front view of an expandable injection pipe according to embodiment 1 of the present invention;
fig. 2 is an oblique view of an expanding type grout pipe of example 1 of the present invention;
fig. 3 is a sectional view of an expandable injection pipe according to embodiment 1 of the present invention;
FIG. 4 is an enlarged view of A in FIG. 3;
fig. 5 is a schematic view of a grouting pipe body of embodiment 1 of the present invention in an expanded state;
fig. 6 is a schematic structural view of an expandable injection pipe according to embodiment 2 of the present invention;
fig. 7 is a schematic view of a grout pipe of example 2 of the present invention in an expanded state.
The technical characteristics corresponding to the marks in the attached drawings are as follows: 1. a grouting pipe body; 11. a connecting portion; 111. a grouting port; 112. an external thread; 12. an expansion part; 13. a slurry outlet; 2. and (4) pipe sleeves.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1 to 5, an expandable injection pipe includes: the grouting pipe comprises a grouting pipe body 1 and a pipe sleeve 2 arranged on the outer wall of the grouting pipe body 1; the pipe sleeve 2 extends downwards from the upper end of the grouting pipe body 1 to the lower end of the grouting pipe body 1 to coat the grouting pipe body 1; when the pipe sleeve 2 is pressed by the slurry or the expansion part 12, the expansion deformation state is formed.
The pipe sleeve 2 is made of rubber, a thermoplastic film or thermoplastic silk stockings; in this embodiment, the material of the pipe sleeve 2 is preferably rubber, and the expansion coefficient of the pipe sleeve 2 is good due to the good elasticity of rubber, and the pipe sleeve is not easily broken when receiving the slurry or the extrusion of the expansion part 12.
The grouting pipe body 1 is formed by adopting an elastic material through extrusion molding, and the grouting pipe body 1 is of a hollow structure with an opening at the upper end and a closed lower end.
As shown in fig. 1 to 3, a cylindrical connecting portion 11 is provided at an upper end of the grouting pipe body 1 in a protruding manner in a longitudinal direction thereof, and an outer diameter of the grouting pipe body 1 is larger than an outer diameter of the connecting portion 11. The outer wall of the connecting part 11 is provided with an external thread 112. Specifically, the external thread 112 is provided on the outer wall of the connecting portion 11, so that the grouting pipe body 1 can be screwed with other components, or when the grouting pipe is not long enough, the connection of multiple sections of grouting pipes can be realized through the screwing.
When a plurality of sections of grouting pipes are connected, the bottom end of the grouting pipe of the lowest section is closed, the upper end of the grouting pipe is open, the outer side wall of the upper end of the grouting pipe is provided with external threads, other sections of grouting pipes penetrate through the grouting pipe from top to bottom, the outer side wall of the upper end of the grouting pipe is provided with the external threads, and the inner side wall of the lower end of the grouting pipe is provided with internal threads; through the arrangement, the multiple sections of grouting pipes can be connected conveniently.
As shown in fig. 3, the end surface of the connecting portion 11 is provided with a grouting port 111 along the vertical direction, and the grouting port 111 extends inwards to communicate with the inside of the grouting pipe body 1; the grouting port 111 is provided to facilitate the injection of the grout into the grouting pipe body 1;
as shown in fig. 1 to 3, the pipe wall portion of the grouting pipe body 1 near the connecting portion 11 and the lower end edge is evenly divided into 3-6 expansion portions 12 along the length direction thereof, so that the pipe wall of the grouting pipe body 1 is formed in a cracked shape; a gap is formed between every two adjacent expansion parts 12; the split extends to two ends of the grouting pipe body 1 along the length direction of the grouting pipe body 1; specifically, the pipe wall part of the grouting pipe body 1, which is close to the connecting part 11 and the lower end of the grouting pipe, is divided into a plurality of parts, so that when the expansion part 12 of the grouting pipe body 1 is extruded by slurry, the expansion part expands and deforms, the pipe sleeve 2 expands and deforms along with the expansion part 12, meanwhile, the slurry flows into the pipe sleeve 2 through the cracking part of the grouting pipe body 1, and under the wrapping of the pipe sleeve 2, the slurry is prevented from flowing everywhere, so that the slurry can be intensively solidified, and the grouting pipe can be well used for repairing underground large holes and underground pile construction under a built building.
Example 2
As shown in fig. 6 and 7, the main technical solution of this embodiment is substantially the same as that of embodiment 1, and the features that are not explained in this embodiment are explained in embodiment 1, and are not described again here. This example differs from example 1 in that: the pipe wall part of the grouting pipe body 1, which is close to the connecting part 11 and the lower end, is uniformly provided with a plurality of grout outlet holes 13 along the radial direction, and the grout outlet holes 13 penetrate through the inner surface and the outer surface of the grouting pipe body 1 and extend inwards to be communicated with the inside of the grouting pipe body 1. The slurry outlet hole 13 is arranged to provide a passing space for slurry, so that the slurry injected into the grouting pipe body 1 enters the pipe sleeve 2 through the slurry outlet hole 13, the pipe sleeve 2 is extruded by the slurry to be expanded and deformed, the pipe sleeve 2 ensures that the slurry cannot flow everywhere, the slurry can be intensively solidified, and the grouting pipe can be well used for repairing underground large holes and underground pile construction below a built building.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the scope of protection is not limited to the specific embodiments disclosed and described above, and some modifications and variations to the claims should fall within the scope of the utility model. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation.
Claims (7)
1. An expanding grout tube comprising:
the grouting pipe comprises a grouting pipe body and a grouting pipe body, wherein the grouting pipe body is formed by adopting an elastic material through extrusion molding, the upper end of the grouting pipe body is of a hollow structure with an opening at the upper end and a closed lower end, a cylindrical connecting part is arranged at the upper end of the grouting pipe body in a protruding mode along the length direction of the grouting pipe body, a grouting opening is formed in the end face of the connecting part in the vertical direction, and the grouting opening extends inwards to be communicated with the inside of the grouting pipe body; the pipe wall part of the grouting pipe body, which is close to the connecting part and the lower end edge, is uniformly divided into a plurality of expansion parts along the length direction of the pipe wall part, so that the pipe wall of the grouting pipe body is cracked; a gap is formed between every two adjacent expansion parts; the split extends to two ends of the grouting pipe body along the length direction of the grouting pipe body;
the pipe sleeve is arranged outside the grouting pipe body, extends downwards from the upper end of the grouting pipe body to the lower end of the grouting pipe body and covers the grouting pipe body; when the pipe sleeve is extruded by the slurry or the expansion part, the pipe sleeve is in an expansion deformation state.
2. The expanding type grout pipe according to claim 1, wherein an outer wall of said connecting portion is provided with an external thread.
3. An expandable injection pipe according to claim 1, wherein a pipe wall portion of said injection pipe body near said connecting portion and lower end is uniformly provided with a plurality of outlet holes in a radial direction thereof, said outlet holes penetrating through inner and outer surfaces of said injection pipe body and extending inward to communicate with the inside of said injection pipe body.
4. The expandable injection tube according to claim 1, wherein an outer diameter of said injection tube body is larger than an outer diameter of said connection portion.
5. The expandable injection tube according to claim 1, wherein a tube wall portion of said injection tube body near said connecting portion and said lower end of said injection tube is uniformly divided into 3 to 6 expanded portions.
6. The expandable injection tube according to claim 1, wherein said injection tube body is made of plastic, and a plurality of expansion portions of said injection tube body are deformed by being pressed by the slurry at the time of injection to bring said injection tube body into an expanded state.
7. The inflatable grouting pipe of claim 1, wherein the material of the pipe sleeve is rubber, thermoplastic film or thermoplastic silk stocking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267189.9U CN216379532U (en) | 2021-09-17 | 2021-09-17 | Expansion type grouting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122267189.9U CN216379532U (en) | 2021-09-17 | 2021-09-17 | Expansion type grouting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216379532U true CN216379532U (en) | 2022-04-26 |
Family
ID=81241718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122267189.9U Active CN216379532U (en) | 2021-09-17 | 2021-09-17 | Expansion type grouting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216379532U (en) |
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2021
- 2021-09-17 CN CN202122267189.9U patent/CN216379532U/en active Active
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