Embedded grouting pipe

By designing a pre-embedded grouting pipe structure that coordinates the jacking and bottom pipe sections, and combining it with adjustable insertion pipes and anti-backflow components, the problem of adjusting the grouting pipe length was solved, achieving flexible application and safe grouting.

CN223524149UActive Publication Date: 2025-11-07GUIZHOU ZUNYI ROAD & BRIDGE ENG CO LTD
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Patent Information

Application Number
CN202423025154.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-11-07
Estimated Expiration
2034-12-09

AI Technical Summary

Technical Problem

The existing pre-embedded grouting pipes cannot be length adjusted, which means that different models of grouting pipes need to be replaced when grouting at different depths, resulting in poor applicability.

Method used

Design a pre-embedded grouting pipe, including a structure in which the top pipe and the bottom pipe cooperate. The bottom pipe is slidably connected by an adjustable insert, and the length can be adjusted and the backflow prevention can be achieved by combining a locking component and an anti-backflow component.

Benefits of technology

It enables flexible adjustment of the grouting pipe length, improving its applicability, and ensures positive grout flow through anti-backflow components, enhancing stability and safety in use.

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Abstract

The utility model relates to an embedded grouting pipe, and relates to the field of grouting pipes. The grouting device comprises a grouting main pipe set, the grouting main pipe set comprises a top pipe part and a bottom pipe part, the bottom pipe part is coaxially arranged on the lower end face of the top pipe part, the top pipe part and the bottom pipe part are integrally formed, the outer diameter of the bottom pipe part is smaller than that of the top pipe part, a communicating pipe is installed at the head of the top pipe part, and the communicating pipe and the top pipe part are integrally formed. And a detachable sealing cap is mounted at the head of the communicating pipe. The grouting main pipe set is designed to be of a structure that the top pipe part and the bottom pipe part are matched, the adjustable insertion pipe can be installed through the bottom pipe part when the grouting main pipe set is easy to use, and the overall use length of the grouting pipe can be conveniently changed by adjusting the position of the adjustable insertion pipe on the bottom pipe part when the grouting main pipe set is used; and after the length is adjusted, the adjustable insertion pipe can be fixed through the locking piece, and the overall use stability of the grouting pipe is guaranteed.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grouting pipes, in particular to a pre-buried grouting pipe. BACKGROUND

[0002] The grouting pipe is a pre-buried grouting pipe system, which is used for permanent sealing of construction joints, cold joints, pipe joints, and gaps between ground walls in concrete.

[0003] The existing Chinese patent with the publication number CN220600546U discloses a grouting pipe check valve device, which comprises a grouting pipe, an outflow hole is formed in the inner side of the grouting pipe, a tee pipe is arranged on the upper side of the grouting pipe, a check piece is rotatably connected to the inner side of the tee pipe, a tension spring is fixed to the upper side of the check piece, the other end of the tension spring is fixed to the inner side of the tee pipe, and two moving rods are symmetrically and slidingly connected to the inner side of the tee pipe below the check piece.

[0004] For the related technology in the above, it is found that most of the existing pre-buried grouting pipes cannot be adjusted in length, and different lengths of grouting pipes are needed when the pre-buried grouting pipes are used for grouting at different depths. Therefore, different types of grouting pipes need to be replaced, which has poor applicability. CONTENT OF THE UTILITY MODEL

[0005] In order to flexibly adjust the length of the pre-buried grouting pipe to increase the application range of the grouting pipe, the present application provides a pre-buried grouting pipe.

[0006] The pre-buried grouting pipe provided by the present application adopts the following technical scheme:

[0007] A pre-buried grouting pipe comprises a grouting main pipe group, the grouting main pipe group comprises a top pipe part and a bottom pipe part, the bottom pipe part is coaxially arranged at the lower end surface of the top pipe part, and the top pipe part and the bottom pipe part are integrally formed, the outer diameter of the bottom pipe part is smaller than that of the top pipe part, a communication pipe is installed at the head of the top pipe part, the communication pipe is integrally formed with the top pipe part, a detachable sealing cap is installed at the head of the communication pipe, an anti-backflow piece is fixedly installed at the lower end surface of the sealing cap, an adjustable insertion pipe is installed on the bottom pipe part in a sleeved manner, the bottom pipe part is slidingly connected with the adjustable insertion pipe, and a locking piece connected with the bottom pipe part is installed on the adjustable insertion pipe.

[0008] By adopting the technical scheme, the top pipe part is used for installing the communicating pipe, the communicating pipe is connected with the external grouting machine, the adjustable insertion pipe is installed through the bottom pipe part, the adjustable insertion pipe can slide on the bottom pipe part to adjust the position, the outer diameter of the bottom pipe part is designed to be smaller than that of the top pipe part, the adjustable insertion pipe has the same outer diameter as the top pipe part after being sleeved on the bottom pipe part, the detachable sealing cap is installed on the head of the communicating pipe, the head of the communicating pipe is sealed through the sealing cap, the anti-backflow piece is fixedly installed on the lower end surface of the sealing cap, the anti-backflow piece is inserted into the communicating pipe after the sealing cap is installed on the head of the communicating pipe, the grout can only flow forward through the anti-backflow piece and cannot flow reversely, and the purpose of preventing backflow is achieved, and the adjustable insertion pipe and the bottom pipe part are fixed through the locking piece after the adjustable insertion pipe is sleeved on the bottom pipe part and the position on the upper end of the bottom pipe part is adjusted.

[0009] Optionally, a plurality of grout outlet inner holes are uniformly arranged on the bottom pipe part, and a plurality of grout outlet outer holes corresponding to the grout outlet inner holes are uniformly arranged on the outer surface of the adjustable insertion pipe, and the diameter of the grout outlet outer hole is larger than that of the grout outlet inner hole.

[0010] By adopting the technical scheme, the plurality of grout outlet inner holes are uniformly arranged on the bottom pipe part, the grout is directly discharged through the grout outlet inner hole, and the grout is discharged through the grout outlet outer hole in cooperation with the grout outlet outer hole, and the diameter of the grout outlet outer hole is designed to be larger than that of the grout outlet inner hole, so that the grout discharged from the grout outlet inner hole can be stably discharged from the grout outlet outer hole, and the locking piece is stably fixed and installed.

[0011] Optionally, the communicating pipe comprises a middle pipe part, a top cap and a bottom cap, the top cap and the bottom cap are fixedly installed on the upper and lower ends of the middle pipe part, and an external connecting pipe is installed on the upper end surface of the top cap, and the external connecting pipe is in sealing and fixed connection with the top cap.

[0012] By adopting the technical scheme, the communicating pipe is designed as the structure of the middle pipe part, the top cap and the bottom cap, the sealing cap is installed through the external connecting pipe on the top cap during use, the sealing cap and the external connecting pipe are in threaded connection with each other, and the head of the external connecting pipe is quickly sealed through the sealing cap.

[0013] Optionally, a grouting pipe is arranged on the side surface of the middle pipe part, and the grouting pipe is integrally formed with the middle pipe part.

[0014] Through adoption of the technical scheme, the grouting pipe is arranged on the side surface of the middle pipe part, and the grouting pipe can be connected with the external grouting pump during use, so that the grouting pump can stably deliver the slurry into the communication pipe, and then the slurry is delivered into the grouting main pipe group through the communication pipe.

[0015] Optionally, the adjustable insertion pipe comprises a sleeve part and a pointed head part, the pointed head part is arranged at the lower end of the sleeve part, and the pointed head part is integrally formed with the sleeve part.

[0016] Through adoption of the technical scheme, the adjustable insertion pipe is designed as the sleeve part and the pointed head part, so that the sleeve part and the pointed head part can be used for grouting during use, and the pointed head part can ensure that the grouting pipe is better inserted into the hole for installation.

[0017] Optionally, the locking member comprises a horizontal insertion rod and a clamping block, the clamping block is fixedly installed at one end of the horizontal insertion rod, and the clamping block is clamped and fixed in the slurry outlet outer hole.

[0018] Through adoption of the technical scheme, the locking member is designed as the horizontal insertion rod and the clamping block, so that the horizontal insertion rod can be inserted into the slurry outlet inner hole and the slurry outlet outer hole for locking during use, and the clamping block is fixedly installed at one end of the horizontal insertion rod, so that the clamping block can be clamped and fixed in the slurry outlet outer hole during use, thereby ensuring that the locking member is stably locked and cannot fall off.

[0019] Optionally, the anti-backflow member comprises a long rod holder and a sealing cover, the sealing cover is symmetrically installed at the lower end surface of the long rod holder, one end of the sealing cover is rotationally connected with the long rod holder, and the other end of the sealing cover is connected with the long rod holder through a tension spring.

[0020] Through adoption of the technical scheme, the anti-backflow member is designed as the long rod holder and the sealing cover, so that the sealing cover is installed at the lower end of the long rod holder during use, the lower end of the long rod holder is shielded by the sealing cover, and the sealing cover can only be flipped downward through the setting of the tension spring, so that the slurry can only flow downward, thereby achieving the effect of backflow prevention.

[0021] Optionally, the long rod holder comprises a center rod and an inner sealing disc, the center rod is fixedly installed at the center of the lower end surface of the sealing cap, and the inner sealing disc is fixedly installed at the lower end of the center rod, and a flow guide groove is symmetrically formed in the inner sealing disc.

[0022] By adopting the technical scheme, the long rod frame is designed as a structure matched with the center rod and the inner sealing disc, the center rod is fixedly installed at the center of the lower end surface of the sealing cap during use, and then the inner sealing disc is installed through the center rod, the sealing cover is installed through the inner sealing disc, the sealing cover is installed at the lower end surface of the inner sealing disc to shield the flow guide groove, and the flow guide groove on the inner sealing disc is sealed and shielded.

[0023] In conclusion, the present application has at least one of the following beneficial technical effects: the present application designs the grouting main pipe group as a structure matched with the top pipe part and the bottom pipe part, the adjustable insertion pipe is installed through the bottom pipe part during use, the use length of the grouting pipe is changed by adjusting the position of the adjustable insertion pipe on the bottom pipe part during use, the adjustable insertion pipe is fixed through the locking piece after the length is adjusted, the use stability of the grouting pipe is ensured, the safety during grouting is effectively ensured through the anti-backflow piece during use, and the advantages of easy adjustment and use safety are achieved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a perspective view of the overall structure in the embodiment of the present application.

[0025] Figure 2 is a front view of the device shown in Figure 2 .

[0026] Figure 3 is a perspective view of the sealing cap and the anti-backflow piece matched in the embodiment of the present application.

[0027] Figure 4 is a front view of the device shown in Figure 3 .

[0028] Figure 5 is a perspective view of the grouting main pipe group and the communication pipe matched in the embodiment of the present application.

[0029] Figure 6 is a perspective view of the locking piece in the embodiment of the present application.

[0030] BRIEF DESCRIPTION OF DRAWINGS: 1, grouting main pipe group; 11, top pipe part; 12, bottom pipe part; 121, grouting inner hole; 2, communication pipe; 21, middle pipe part; 211, grouting pipe; 22, top cap; 221, external connection pipe; 23, bottom cap; 3, adjustable insertion pipe; 30, grouting outer hole; 31, sleeve pipe part; 32, sharp head part; 4, locking piece; 41, transverse insertion rod; 42, clamping block; 5, sealing cap; 6, anti-backflow piece; 61, long rod frame; 611, center rod; 612, inner sealing disc; 613, flow guide groove; 62, sealing cover; 63, tension spring. DETAILED DESCRIPTION

[0031] The application will be further described in detail below with reference to the accompanying drawings.

[0032] The application discloses a pre-buried grouting pipe. As shown in Figure 1 , Figure 2 and Figure 3 , a pre-buried grouting pipe 211 comprises a grouting main pipe group 1, the grouting main pipe group 1 comprises a top pipe part 11 and a bottom pipe part 12, the bottom pipe part 12 is coaxially arranged at the lower end surface of the top pipe part 11, and the top pipe part 11 and the bottom pipe part 12 are integrally formed, the outer diameter of the bottom pipe part 12 is smaller than the outer diameter of the top pipe part 11, the head of the top pipe part 11 is provided with a communicating pipe 2, the communicating pipe 2 is integrally formed with the top pipe part 11, the head of the communicating pipe 2 is provided with a detachable sealing cap 5, the lower end surface of the sealing cap 5 is fixedly provided with an anti-backflow part 6, the bottom pipe part 12 is provided with an adjustable insertion pipe 3, and the bottom pipe part 12 is slidably connected with the adjustable insertion pipe 3, and the adjustable insertion pipe 3 is provided with a locking part 4 connected with the bottom pipe part 12. The grouting main pipe group 1 is designed as the structure that the top pipe part 11 and the bottom pipe part 12 are matched, the communicating pipe 2 can be installed through the top pipe part 11 when the grouting main pipe group 1 is used, so that the communicating pipe 2 can be connected with the external grouting machine, then the adjustable insertion pipe 3 is installed through the bottom pipe part 12, so that the adjustable insertion pipe 3 can slide on the bottom pipe part 12 to adjust the position of use, the outer diameter of the bottom pipe part 12 is designed to be smaller than the outer diameter of the top pipe part 11, so that the outer diameter of the adjustable insertion pipe 3 is the same as the outer diameter of the top pipe part 11 after the adjustable insertion pipe 3 is sleeved on the bottom pipe part 12, the detachable sealing cap 5 is installed at the head of the communicating pipe 2, so that the head of the communicating pipe 2 can be sealed through the sealing cap 5, and the anti-backflow part 6 is fixedly installed at the lower end surface of the sealing cap 5, so that the anti-backflow part 6 can be inserted into the communicating pipe 2 after the sealing cap 5 is installed at the head of the communicating pipe 2, the grouting liquid can only flow forward through the anti-backflow part 6, and cannot flow reversely, so that the purpose of preventing backflow is achieved, the adjustable insertion pipe 3 can be adjusted according to the length of use after the adjustable insertion pipe 3 is sleeved on the bottom pipe part 12, and the adjustable insertion pipe 3 and the bottom pipe part 12 can be fixed to each other through the locking part after the position of the adjustable insertion pipe 3 at the upper end of the bottom pipe part 12 is adjusted.

[0033] As shown in Figure 5As shown, the bottom pipe part 12 is uniformly provided with a plurality of slurry outlet inner holes 121, and the outer side of the adjustable insertion pipe 3 is uniformly provided with slurry outlet outer holes 30 corresponding to the slurry outlet inner holes 121, and the diameter of the slurry outlet outer holes 30 is greater than the inner diameter of the slurry outlet inner holes 121. By uniformly providing a plurality of slurry outlet inner holes 121 on the bottom pipe part 12, it is convenient to directly use the slurry outlet inner holes 121 for slurry discharge, and it can also be used in cooperation with the slurry outlet outer holes 30. At the same time, by designing the diameter of the slurry outlet outer holes 30 to be greater than the diameter of the slurry outlet inner holes 121, it can not only ensure that the slurry discharged from the slurry outlet inner holes 121 can be stably discharged from the slurry outlet outer holes 30, but also facilitate the stable installation of the locking piece 4.

[0034] Referring to Figure 5 As shown, the communication pipe 2 includes a middle pipe part 21, a top cap 22 and a bottom cap 23, the top cap 22 and the bottom cap 23 are fixedly installed at the upper and lower ends of the middle pipe part 21, and the upper end face of the top cap 22 is provided with an external connection pipe 221, and the external connection pipe 221 is sealingly and fixedly connected with the top cap 22. By designing the communication pipe 2 as a structure that the middle pipe part 21, the top cap 22 and the bottom cap 23 cooperate, it is easy to use the external connection pipe 221 on the top cap 22 to install the sealing cap 5, and the sealing cap 5 and the external connection pipe 221 can be fixedly connected with each other through threads, so as to ensure that the head of the external connection pipe 221 is quickly sealed by the sealing cap 5. The side of the middle pipe part 21 is provided with a grouting pipe 211 which is integrally formed with the middle pipe part 21. By providing the grouting pipe 211 on the side of the middle pipe part 21, it is easy to use the grouting pipe 211 to connect with an external grouting pump during use, so as to facilitate the stable delivery of slurry into the communication pipe 2 by the external grouting pump, and then into the grouting main pipe group 1 by the communication pipe 2.

[0035] Referring to Figure 2 As shown, the adjustable insertion pipe 3 includes a sleeve part 31 and a sharp head part 32, the sharp head part 32 is arranged at the lower end of the sleeve part 31, and the sharp head part 32 is integrally formed with the sleeve part 31. By designing the adjustable insertion pipe 3 as a structure that the sleeve part 31 and the sharp head part 32 cooperate, it is easy to use the sleeve part 31 and the sharp head part 32 to achieve the purpose of grouting during use, and the arrangement of the sharp head part 32 ensures that the grouting pipe 211 is better inserted into the hole for installation.

[0036] Referring to Figure 6As shown, the locking member 4 comprises a cross-inserting rod 41 and a clamping block 42, the clamping block 42 is fixedly installed at one end of the cross-inserting rod 41, and the clamping block 42 is clamped and fixed in the outflow hole 30. By designing the locking member 4 as a structure that the cross-inserting rod 41 and the clamping block 42 cooperate, it is easy to use the cross-inserting rod 41 to insert into the outflow inner hole 121 and the outflow hole 30 for locking, and at the same time, by fixing the clamping block 42 at one end of the cross-inserting rod 41, it is convenient to use the clamping block 42 to clamp and fix in the outflow hole 30, so that the locking member 4 can be stably locked and will not fall off.

[0037] Referring to Figure 3 and Figure 4 As shown, the anti-backflow member 6 comprises a long rod holder 61 and a sealing cover 62, the sealing cover 62 is symmetrically installed at the lower end face of the long rod holder 61, and one end of the sealing cover 62 is rotatably connected with the long rod holder 61, and the other end is connected with the long rod holder 61 through a tension spring 63. By designing the anti-backflow member 6 as a structure that the long rod holder 61 and the sealing cover 62 cooperate, it is easy to use the sealing cover 62 to install at the lower end of the long rod holder 61, and it is convenient to use the sealing cover 62 to shield the lower end of the long rod holder 61, and at the same time, by providing the tension spring 63, it is ensured that the sealing cover 62 can only be turned down, so that the pulp can only flow downward, and the reverse flow effect is achieved. The long rod holder 61 comprises a center rod 611 and an inner sealing disc 612, the center rod 611 is fixedly installed at the center of the lower end face of the sealing cap 5, and the inner sealing disc 612 is fixedly installed at the lower end of the center rod 611, and symmetrically provided with a flow guide groove 613 on the inner sealing disc 612. By designing the long rod holder 61 as a structure that the center rod 611 and the inner sealing disc 612 cooperate, it is easy to use the center rod 611 to be fixedly installed at the center of the lower end face of the sealing cap 5, and then the inner sealing disc 612 can be installed through the center rod 611, and it is convenient to use the inner sealing disc 612 to install the sealing cover 62, and it is convenient to use the sealing cover 62 to shield the flow guide groove 613 on the lower end face of the inner sealing disc 612, so as to seal and shield the flow guide groove 613 on the inner sealing disc 612.

[0038] The implementation principle of the pre-buried grouting pipe in the embodiment of the application is that: in actual use, the use length of the grouting pipe 211 is adjusted according to the actual opening depth, when adjustment is needed, the locking member 4 is taken off from the adjustable insertion pipe 3, then the position of the adjustable insertion pipe 3 on the bottom pipe part 12 can be adjusted by sliding, after the position is adjusted, the outflow inner hole 121 and the outflow hole 30 are aligned, then the locking member 4 is inserted into the outflow inner hole 121 and the outflow hole 30, and finally the clamping block 42 of the locking member 4 is fixed in the outflow hole 30, so as to ensure the stable use of the grouting pipe 211.

[0039] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A pre-buried grouting pipe comprising a grouting main pipe group (1), characterized in that: The grouting main pipe group (1) comprises a top pipe part (11) and a bottom pipe part (12), the bottom pipe part (12) is coaxially arranged at the lower end surface of the top pipe part (11), and the top pipe part (11) and the bottom pipe part (12) are integrally formed; the outer diameter of the bottom pipe part (12) is smaller than that of the top pipe part (11); the head of the top pipe part (11) is provided with a communication pipe (2), the communication pipe (2) is integrally formed with the top pipe part (11), the head of the communication pipe (2) is provided with a detachable sealing cap (5), the lower end surface of the sealing cap (5) is fixedly provided with an anti-backflow part (6), the bottom pipe part (12) is provided with an adjustable insertion pipe (3) in a sleeving manner, and the bottom pipe part (12) is slidably connected with the adjustable insertion pipe (3); the adjustable insertion pipe (3) is provided with a locking part (4) connected with the bottom pipe part (12).

2. The pre-buried grouting pipe according to claim 1, characterized in that: A plurality of grouting inner holes (121) are uniformly formed in the bottom pipe part (12), and a plurality of grouting outer holes (30) corresponding to the grouting inner holes (121) are uniformly formed in the outer surface of the adjustable insertion pipe (3), and the diameter of the grouting outer hole (30) is larger than that of the grouting inner hole (121).

3. The pre-buried grouting pipe according to claim 2, characterized in that: The communication pipe (2) comprises a middle pipe part (21), a top cap (22) and a bottom cap (23), the top cap (22) and the bottom cap (23) are fixedly arranged at the upper and lower ends of the middle pipe part (21), and the upper end surface of the top cap (22) is provided with an external connecting pipe (221), and the external connecting pipe (221) is sealingly and fixedly connected with the top cap (22).

4. The pre-buried grouting pipe according to claim 3, characterized in that: The side surface of the middle pipe part (21) is provided with a grouting pipe (211), and the grouting pipe (211) is integrally formed with the middle pipe part (21).

5. The pre-embedded grouting pipe according to claim 4, characterized in that: The adjustable insertion pipe (3) comprises a sleeve part (31) and a sharp head part (32), the sharp head part (32) is arranged at the lower end of the sleeve part (31), and the sharp head part (32) is integrally formed with the sleeve part (31).

6. The pre-embedded grouting pipe according to claim 5, characterized in that: The locking part (4) comprises a transverse insertion rod (41) and a clamping block (42), the clamping block (42) is fixedly arranged at one end of the transverse insertion rod (41), and the clamping block (42) is clamped and fixed in the grouting outer hole (30).

7. The pre-embedded grouting pipe according to claim 6, characterized in that: The anti-backflow part (6) comprises a long rod holder (61) and a sealing cover (62), the sealing cover (62) is symmetrically arranged at the lower end surface of the long rod holder (61), one end of the sealing cover (62) is rotatably connected with the long rod holder (61), and the other end is connected with the long rod holder (61) through a tension spring (63).

8. The pre-buried grouting pipe according to claim 7, characterized in that: The long rod holder (61) comprises a center rod (611) and an inner sealing disc (612), the center rod (611) is fixedly arranged at the center of the lower end surface of the sealing cap (5), and the inner sealing disc (612) is fixedly arranged at the lower end of the center rod (611), and the inner sealing disc (612) is symmetrically provided with a flow guide groove (613).

Citation Information

Patent Citations

  • Check valve device of grouting pipe

    CN220600546U